diff --git a/.cargo/config.toml b/.cargo/config.toml
index 65b241f..9bb778c 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -3,7 +3,3 @@ coverage = "tarpaulin --out Html --skip-clean --output-dir coverage"
 
 [build]
 rustc-wrapper = "sccache"
-
-[target.x86_64-unknown-linux-gnu]
-linker = "clang"
-rustflags = ["-C", "link-arg=-fuse-ld=/usr/local/bin/mold"]
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index cbc123c..928016c 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -8,31 +8,19 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="8fa1ca42-220d-4157-8efb-e642e4673d11" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/gemma/tests/computer_manager.rs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/gemma/tests/delay_timer.rs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/gemma/tests/instructions.rs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/gemma/tests/keypad.rs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/gemma/tests/registers.rs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/gemma/tests/sound_timer.rs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/gemma/tests/stack.rs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/gemma/tests/system_memory.rs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/gemma/src/test_compression.rs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.cargo/config.toml" beforeDir="false" afterPath="$PROJECT_DIR$/.cargo/config.toml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemma/src/chip8/computer.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/src/chip8/computer.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemma/src/chip8/instructions.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/src/chip8/instructions.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemma/src/chip8/keypad.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/src/chip8/keypad.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemma/src/chip8/util.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/src/chip8/util.rs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/Cargo.lock" beforeDir="false" afterPath="$PROJECT_DIR$/Cargo.lock" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/Cargo.toml" beforeDir="false" afterPath="$PROJECT_DIR$/Cargo.toml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/coverage/tarpaulin-report.html" beforeDir="false" afterPath="$PROJECT_DIR$/coverage/tarpaulin-report.html" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/gemma/Cargo.toml" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/Cargo.toml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/gemma/src/bin/testcompression.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/src/bin/testcompression.rs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/gemma/src/lib.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/src/lib.rs" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/gemma/tests/computer_tests.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/tests/computer_tests.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemma/tests/state_tests.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/tests/state_tests.rs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/gemma/tests/keypad.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/tests/keypad.rs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/gemma/tests/test_compression_tests.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/tests/test_compression_tests.rs" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/gemma/tests/test_utils.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/tests/test_utils.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemma/tests/unit_tests.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/tests/unit_tests.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemma/tests/util_tests.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemma/tests/util.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemmatelnet/src/telnet_utils.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemmatelnet/src/telnet_utils.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemmautil/src/bin/bin2hex.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemmautil/src/bin/bin2hex.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gemmautil/src/bin/ch8asm.rs" beforeDir="false" afterPath="$PROJECT_DIR$/gemmautil/src/bin/ch8asm.rs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/resources/test/state/smoke_001_round_trip_serialize_deserialize.json" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/resources/test/state/smoke_002_round_trip_serialize_deserialize_compressed.tflt" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/resources/test/state/smoke_002_round_trip_serialize_deserialize_compressed.tflt.uncompressed" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/resources/test/state/video_lowres_schip_draw_chip8_sprite_result.json" beforeDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -52,9 +40,9 @@
   <component name="MacroExpansionManager">
     <option name="directoryName" value="q85ybjmm" />
   </component>
-  <component name="ProjectColorInfo"><![CDATA[{
-  "associatedIndex": 5
-}]]></component>
+  <component name="ProjectColorInfo">{
+  &quot;associatedIndex&quot;: 5
+}</component>
   <component name="ProjectId" id="2xpB7kQEFEwMZf3OlpLuqA97yi7" />
   <component name="ProjectViewState">
     <option name="hideEmptyMiddlePackages" value="true" />
@@ -62,7 +50,10 @@
   </component>
   <component name="PropertiesComponent"><![CDATA[{
   "keyToString": {
+    "Cargo.Build `Test compress_file_to_array`.executor": "Run",
+    "Cargo.Test compress_file_to_array.executor": "Debug",
     "Cargo.Test keypad.executor": "Debug",
+    "Cargo.Test state_to_json.executor": "Debug",
     "Cargo.Test video_lowres_schip_draw_chip8_sprite.executor": "Debug",
     "RunOnceActivity.ShowReadmeOnStart": "true",
     "RunOnceActivity.rust.reset.selective.auto.import": "true",
@@ -72,10 +63,16 @@
     "node.js.selected.package.eslint": "(autodetect)",
     "nodejs_package_manager_path": "npm",
     "org.rust.cargo.project.model.PROJECT_DISCOVERY": "true",
+    "org.rust.cargo.project.model.impl.CargoExternalSystemProjectAware.subscribe.first.balloon": "",
     "org.rust.first.attach.projects": "true"
+  },
+  "keyToStringList": {
+    "com.intellij.ide.scratch.ScratchImplUtil$2/New Scratch File": [
+      "Rust"
+    ]
   }
 }]]></component>
-  <component name="RunManager" selected="Cargo.Test keypad">
+  <component name="RunManager" selected="Cargo.Test compress_file_to_array">
     <configuration name="Run bin2hex" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
       <option name="command" value="run --package gemmautil --bin bin2hex" />
       <option name="workingDirectory" value="file://$PROJECT_DIR$" />
@@ -178,6 +175,23 @@
         <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
       </method>
     </configuration>
+    <configuration name="Test compress_file_to_array" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
+      <option name="command" value="test --package gemma --test test_compression_tests compress_file_to_array -- --exact" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <envs />
+      <option name="emulateTerminal" value="true" />
+      <option name="channel" value="DEFAULT" />
+      <option name="requiredFeatures" value="true" />
+      <option name="allFeatures" value="false" />
+      <option name="withSudo" value="false" />
+      <option name="buildTarget" value="REMOTE" />
+      <option name="backtrace" value="SHORT" />
+      <option name="isRedirectInput" value="false" />
+      <option name="redirectInputPath" value="" />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
     <configuration name="Test keypad" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
       <option name="command" value="test --package gemma --test keypad" />
       <option name="workingDirectory" value="file://$PROJECT_DIR$" />
@@ -195,6 +209,23 @@
         <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
       </method>
     </configuration>
+    <configuration name="Test state_to_json" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
+      <option name="command" value="test --package gemma --test computer_tests state_to_json -- --exact" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <envs />
+      <option name="emulateTerminal" value="true" />
+      <option name="channel" value="DEFAULT" />
+      <option name="requiredFeatures" value="true" />
+      <option name="allFeatures" value="false" />
+      <option name="withSudo" value="false" />
+      <option name="buildTarget" value="REMOTE" />
+      <option name="backtrace" value="SHORT" />
+      <option name="isRedirectInput" value="false" />
+      <option name="redirectInputPath" value="" />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
     <configuration name="Test trevors_chip8_toy" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
       <option name="command" value="test --workspace" />
       <option name="workingDirectory" value="file://$PROJECT_DIR$" />
@@ -231,6 +262,8 @@
     </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="Cargo.Test compress_file_to_array" />
+        <item itemvalue="Cargo.Test state_to_json" />
         <item itemvalue="Cargo.Test keypad" />
         <item itemvalue="Cargo.Test video_lowres_schip_draw_chip8_sprite" />
       </list>
@@ -248,10 +281,22 @@
       <option name="presentableId" value="Default" />
       <updated>1748624969802</updated>
       <workItem from="1748624970827" duration="3451000" />
+      <workItem from="1748791611817" duration="1715000" />
     </task>
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
     <option name="version" value="3" />
   </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager>
+      <breakpoints>
+        <line-breakpoint enabled="true" type="com.jetbrains.cidr.execution.debugger.OCBreakpointType">
+          <url>file://$PROJECT_DIR$/gemma/tests/computer_tests.rs</url>
+          <line>149</line>
+          <option name="timeStamp" value="1" />
+        </line-breakpoint>
+      </breakpoints>
+    </breakpoint-manager>
+  </component>
 </project>
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 48b7e6a..a4dae44 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1996,6 +1996,7 @@ dependencies = [
  "dimensioned",
  "flate2",
  "hex",
+ "lipsum",
  "log",
  "pretty_env_logger",
  "rand 0.9.1",
@@ -2906,6 +2907,16 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
 
+[[package]]
+name = "lipsum"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "636860251af8963cc40f6b4baadee105f02e21b28131d76eba8e40ce84ab8064"
+dependencies = [
+ "rand 0.8.5",
+ "rand_chacha 0.3.1",
+]
+
 [[package]]
 name = "litemap"
 version = "0.8.0"
diff --git a/Cargo.toml b/Cargo.toml
index d76e52a..2bfc885 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,3 +32,4 @@ eframe = { version = "0.29" }
 
 # Testing
 tempfile = "3.20"
+lipsum = "0.9"
\ No newline at end of file
diff --git a/coverage/tarpaulin-report.html b/coverage/tarpaulin-report.html
index f624163..24ffe84 100644
--- a/coverage/tarpaulin-report.html
+++ b/coverage/tarpaulin-report.html
@@ -118,8 +118,8 @@
 <body>
     <div id="root"></div>
     <script>
-        var data = {"files":[{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","bin","speedtest.rs"],"content":"use gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::fs::File;\nuse std::io::Read;\nuse std::ops::Add;\nuse std::path::Path;\nuse std::time::{Duration, Instant};\n\nconst ROM_ROOT: \u0026str = \"resources/roms\";\n\nfn main() {\n    let mut x = Chip8ComputerManager::new();\n\n    let mut buffer = Vec::new();\n    let mut input_file =\n        File::open(Path::new(\u0026(ROM_ROOT.to_string() + \"/mandelbrot_bench.ch8\"))).expect(\"derp\");\n    input_file\n        .read_to_end(\u0026mut buffer)\n        .expect(\"unable to read file\");\n    x.load_new_program_to_system_memory((\u0026*buffer).into());\n\n    for _ in 0..10 {\n        let start_time = Instant::now();\n        let mut num_cycles = 0;\n        // how many instructions in 10s.\n        let end_time = start_time.add(Duration::from_secs(10));\n        while Instant::now().le(\u0026end_time) {\n            num_cycles += 1;\n            x.step();\n        }\n\n        let num = num_cycles\n            .to_string()\n            .as_bytes()\n            .rchunks(3)\n            .rev()\n            .map(std::str::from_utf8)\n            .collect::\u003cResult\u003cVec\u003c\u0026str\u003e, _\u003e\u003e()\n            .unwrap()\n            .join(\",\"); // separator\n\n        let num_ips = num_cycles / 1000000;\n        println!(\"Completed at {num_ips} Mips. ({num})\");\n    }\n}\n","traces":[{"line":10,"address":[458832,460780,460845],"length":1,"stats":{"Line":0}},{"line":11,"address":[458839],"length":1,"stats":{"Line":0}},{"line":13,"address":[458856],"length":1,"stats":{"Line":0}},{"line":14,"address":[458919,458991],"length":1,"stats":{"Line":0}},{"line":16,"address":[459251],"length":1,"stats":{"Line":0}},{"line":19,"address":[459336],"length":1,"stats":{"Line":0}},{"line":21,"address":[459436],"length":1,"stats":{"Line":0}},{"line":22,"address":[459589,459671],"length":1,"stats":{"Line":0}},{"line":23,"address":[459700],"length":1,"stats":{"Line":0}},{"line":25,"address":[459716],"length":1,"stats":{"Line":0}},{"line":26,"address":[459794],"length":1,"stats":{"Line":0}},{"line":27,"address":[460819,459898,460793],"length":1,"stats":{"Line":0}},{"line":28,"address":[460800,460840],"length":1,"stats":{"Line":0}},{"line":31,"address":[459891,460323,459933,460024,460390],"length":1,"stats":{"Line":0}},{"line":41,"address":[460537,460626],"length":1,"stats":{"Line":0}},{"line":42,"address":[460599,460646],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":16},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","bin","testcompression.rs"],"content":"use std::fs;\nuse std::fs::File;\nuse clap::{Parser, Subcommand};\nuse flate2::{write::{GzEncoder, GzDecoder}, Compression};\nuse std::io::{Cursor, Read, Write};\nuse std::path::PathBuf;\nuse std::io::prelude::*;\n\n#[derive(Parser)]\n#[command(author, version, about = \"Compress or decompress a string\", long_about = None)]\nstruct Cli {\n    /// Subcommand: either 'compress' or 'decompress'\n    #[command(subcommand)]\n    command: Commands,\n}\n\n#[derive(Subcommand)]\nenum Commands {\n    /// Compress the input string\n    Compress {\n        /// The string to compress\n        input: String,\n    },\n    /// Decompress the input string (must be compressed format)\n    Decompress {\n        /// The compressed string to decompress, in hex format\n        input: String,\n    },\n    CompressFile {\n        input: PathBuf\n    },\n    DecompressFile {\n        input: PathBuf\n    }\n}\n\nfn compress_string(input: \u0026str) -\u003e Vec\u003cu8\u003e {\n    let mut encoder = GzEncoder::new(Vec::new(), Compression::default());\n    encoder.write_all(input.as_bytes()).expect(\"Compression failed\");\n    encoder.finish().expect(\"Failed to finish compression\")\n}\n\nfn decompress_string(input: \u0026[u8]) -\u003e String {\n    let mut decoder = GzDecoder::new(Vec::new());\n    decoder.write_all(input).expect(\"Decompression failed\");\n    let decompressed_data = decoder.finish().expect(\"Failed to finish decompression\");\n    String::from_utf8(decompressed_data).expect(\"Invalid UTF-8\")\n}\n\nfn compress_file(input_path: \u0026PathBuf) {\n    let target_file_name = format!(\"{}.tflt\", input_path.display());\n    println!(\"TARGET_FILE_NAME: {}\", target_file_name);\n    let input_data = fs::read(input_path).expect(\"Failed to read input file\");\n    let mut encoder = GzEncoder::new(Vec::new(), Compression::default());\n    encoder.write_all(\u0026input_data).expect(\"Compression failed\");\n    let compressed_data = encoder.finish().expect(\"Failed to finish compression\");\n    let target_file = File::create(target_file_name);\n    target_file.unwrap().write_all(\u0026compressed_data).unwrap()\n}\n\nfn decompress_file(input_path: \u0026PathBuf) {\n    let target_file_name = format!(\"{}.uncompressed\", input_path.display());\n    println!(\"Writing decompressed data to {}\", target_file_name);\n    let input_data = fs::read(input_path).expect(\"Failed to read compressed file.\");\n    let mut decompressed_data = vec![];\n    let cursor = Cursor::new(input_data);\n    let mut decoder = GzDecoder::new(cursor);\n    decoder.read_to_end(\u0026mut decompressed_data).expect(\"Decompression failed.\");\n    let mut target_file = File::create(\u0026target_file_name).expect(format!(\"Unable to create uncompressed file -\u003e {}\", target_file_name.clone()).as_str());\n    target_file.write_all(\u0026decompressed_data).expect(format!(\"Unable to write uncompressed file -\u003e {}\", target_file_name).as_str());\n    println!(\"Decompressed: {:?}\", String::from_utf8_lossy(\u0026decompressed_data));\n}\n\nfn main() {\n    let cli = Cli::parse();\n\n    match cli.command {\n        Commands::Compress { input } =\u003e {\n            let compressed = compress_string(\u0026input);\n            // Convert to hex format for easier readability in the terminal\n            println!(\"Compressed (hex): {:?} / from {}b to {}b\", hex::encode(compressed.clone()), input.len(), compressed.len());\n        }\n        Commands::Decompress { input } =\u003e {\n            // Decode hex string back to bytes\n            let compressed_bytes = hex::decode(input).expect(\"Invalid hex input\");\n            let decompressed = decompress_string(\u0026compressed_bytes);\n            println!(\"Decompressed: {}\", decompressed);\n        }\n        Commands::DecompressFile { input } =\u003e {\n            decompress_file(\u0026input);\n        }\n        Commands::CompressFile { input } =\u003e {\n            compress_file(\u0026input);\n        }\n    }\n}\n","traces":[{"line":37,"address":[319671,319120,319646],"length":1,"stats":{"Line":0}},{"line":38,"address":[319163,319680],"length":1,"stats":{"Line":0}},{"line":39,"address":[319398],"length":1,"stats":{"Line":0}},{"line":40,"address":[319439],"length":1,"stats":{"Line":0}},{"line":43,"address":[320116,319712,320091],"length":1,"stats":{"Line":0}},{"line":44,"address":[319755],"length":1,"stats":{"Line":0}},{"line":45,"address":[319824,319882],"length":1,"stats":{"Line":0}},{"line":46,"address":[319908],"length":1,"stats":{"Line":0}},{"line":47,"address":[320024],"length":1,"stats":{"Line":0}},{"line":50,"address":[320128,321794],"length":1,"stats":{"Line":0}},{"line":51,"address":[320325,320148],"length":1,"stats":{"Line":0}},{"line":52,"address":[320333,320398],"length":1,"stats":{"Line":0}},{"line":53,"address":[320480],"length":1,"stats":{"Line":0}},{"line":54,"address":[320588,321834,320537],"length":1,"stats":{"Line":0}},{"line":55,"address":[320700,320788],"length":1,"stats":{"Line":0}},{"line":56,"address":[320831],"length":1,"stats":{"Line":0}},{"line":57,"address":[321032],"length":1,"stats":{"Line":0}},{"line":58,"address":[321335,321453],"length":1,"stats":{"Line":0}},{"line":61,"address":[321872,323944,323835],"length":1,"stats":{"Line":0}},{"line":62,"address":[321892],"length":1,"stats":{"Line":0}},{"line":63,"address":[322134,322069],"length":1,"stats":{"Line":0}},{"line":64,"address":[322216],"length":1,"stats":{"Line":0}},{"line":65,"address":[322281],"length":1,"stats":{"Line":0}},{"line":66,"address":[322329],"length":1,"stats":{"Line":0}},{"line":67,"address":[322449],"length":1,"stats":{"Line":0}},{"line":68,"address":[322472,322536],"length":1,"stats":{"Line":0}},{"line":69,"address":[323885,322575,322962],"length":1,"stats":{"Line":0}},{"line":70,"address":[323142,323844,323419],"length":1,"stats":{"Line":0}},{"line":71,"address":[323544],"length":1,"stats":{"Line":0}},{"line":74,"address":[323968,324784],"length":1,"stats":{"Line":0}},{"line":75,"address":[323980],"length":1,"stats":{"Line":0}},{"line":77,"address":[323985],"length":1,"stats":{"Line":0}},{"line":78,"address":[324018],"length":1,"stats":{"Line":0}},{"line":79,"address":[324046,324336],"length":1,"stats":{"Line":0}},{"line":81,"address":[324343,324434],"length":1,"stats":{"Line":0}},{"line":83,"address":[324066],"length":1,"stats":{"Line":0}},{"line":85,"address":[324113],"length":1,"stats":{"Line":0}},{"line":86,"address":[324165,324865],"length":1,"stats":{"Line":0}},{"line":87,"address":[324872,324940],"length":1,"stats":{"Line":0}},{"line":89,"address":[324233],"length":1,"stats":{"Line":0}},{"line":90,"address":[324267],"length":1,"stats":{"Line":0}},{"line":92,"address":[324189],"length":1,"stats":{"Line":0}},{"line":93,"address":[324223],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":43},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","computer.rs"],"content":"use crate::chip8::delay_timer::DelayTimer;\nuse crate::chip8::keypad::Keypad;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8::sound_timer::SoundTimer;\nuse crate::chip8::stack::Chip8Stack;\nuse log::debug;\nuse serde::{Deserialize, Serialize};\nuse crate::chip8::util::InstructionUtil;\nuse super::{\n    cpu_states::Chip8CpuStates, instructions::Chip8CpuInstructions,\n    system_memory::Chip8SystemMemory, video::Chip8Video,\n};\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8Computer {\n    pub num_cycles: i32,\n    pub memory: Chip8SystemMemory,\n    pub registers: Chip8Registers,\n    pub sound_timer: SoundTimer,\n    pub delay_timer: DelayTimer,\n    pub video_memory: Chip8Video,\n    pub state: Chip8CpuStates,\n    pub keypad: Keypad,\n    pub stack: Chip8Stack,\n    pub quirk_mode: QuirkMode,\n}\n\nimpl PartialEq for Chip8Computer {\n    fn eq(\u0026self, other: \u0026Self) -\u003e bool {\n        self.video_memory.format_as_string() == other.video_memory.format_as_string() \u0026\u0026\n            self.keypad.format_as_string() == other.keypad.format_as_string() \u0026\u0026\n            self.num_cycles == other.num_cycles \u0026\u0026\n            self.memory == other.memory\n    }\n}\n\nimpl Default for Chip8Computer {\n    fn default() -\u003e Self {\n        Self {\n            num_cycles: 0,\n            memory: Chip8SystemMemory::default(),\n            video_memory: Chip8Video::default(),\n            registers: Chip8Registers::default(),\n            sound_timer: SoundTimer::new(),\n            delay_timer: DelayTimer::new(),\n            state: Chip8CpuStates::default(),\n            keypad: Keypad::default(),\n            stack: Chip8Stack::default(),\n            quirk_mode: QuirkMode::default(),\n        }\n    }\n}\n\nimpl Chip8Computer {\n    pub fn reset(\u0026mut self, quirk_mode: QuirkMode) {\n        self.video_memory.reset();\n        self.num_cycles = 0;\n        self.registers.reset();\n        self.delay_timer.reset();\n        self.sound_timer.reset();\n        self.stack.reset();\n        self.memory.reset(quirk_mode);\n        self.quirk_mode = quirk_mode;\n    }\n\n    pub fn dump_keypad_to_string(\u0026self) -\u003e String {\n        self.keypad.format_as_string()\n    }\n\n    pub fn dump_registers_to_string(\u0026self) -\u003e String {\n        self.registers.format_as_string()\n    }\n\n    pub fn dump_video_to_string(\u0026self) -\u003e String {\n        self.clone().video_memory.format_as_string()\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8Computer::default()\n    }\n\n    pub fn load_bytes_to_memory(\u0026mut self, offset: u16, to_load: \u0026Vec\u003cu8\u003e) {\n        let total_len = to_load.len() as u16;\n        for current_index in 0..total_len {\n            let new_value = to_load[current_index as usize];\n            let new_location = current_index + offset;\n            self.memory.poke(new_location, new_value);\n        }\n        self.registers.set_pc(offset);\n    }\n\n\n    pub fn step_system(\u0026mut self) -\u003e \u0026mut Chip8Computer {\n        println!(\"Stepping System 1 Step\");\n        // read the next instruction\n        let local_memory = \u0026self.memory;\n\n        //    let mut working_instruction: u16 = 0b0000000000000000;\n        let start_pc = self.registers.peek_pc();\n        let high_byte = (local_memory.peek(start_pc) as u16).rotate_left(8);\n        let low_byte = local_memory.peek(start_pc + 1) as u16;\n        let result = high_byte | low_byte;\n        let decoded_instruction = Chip8CpuInstructions::decode(result, \u0026self.quirk_mode);\n        // todo: THIS IS BAD AND IS A SIDE EFFECT\n        decoded_instruction.execute(self);\n\n        match self.state {\n            Chip8CpuStates::WaitingForInstruction =\u003e {\n                //     println!(\"Ticking sound, delay, video\");\n                self.sound_timer.tick();\n                self.delay_timer.tick();\n                self.video_memory.tick();\n                self.num_cycles += 1;\n            }\n            Chip8CpuStates::WaitingForKey =\u003e {\n                debug!(\"waiting for a key press...\");\n            }\n            _ =\u003e {}\n        }\n        self\n    }\n}\n","traces":[{"line":30,"address":[1714512,1715067],"length":1,"stats":{"Line":1}},{"line":31,"address":[821895],"length":1,"stats":{"Line":1}},{"line":32,"address":[2490139],"length":1,"stats":{"Line":1}},{"line":33,"address":[822363],"length":1,"stats":{"Line":1}},{"line":34,"address":[2490401],"length":1,"stats":{"Line":1}},{"line":39,"address":[814800,815267],"length":1,"stats":{"Line":7}},{"line":42,"address":[41428993],"length":1,"stats":{"Line":12}},{"line":43,"address":[814831],"length":1,"stats":{"Line":11}},{"line":44,"address":[1334568],"length":1,"stats":{"Line":11}},{"line":45,"address":[1774526],"length":1,"stats":{"Line":6}},{"line":46,"address":[1774541],"length":1,"stats":{"Line":11}},{"line":47,"address":[1618732],"length":1,"stats":{"Line":6}},{"line":48,"address":[1618748],"length":1,"stats":{"Line":11}},{"line":49,"address":[1774587],"length":1,"stats":{"Line":6}},{"line":50,"address":[806546],"length":1,"stats":{"Line":11}},{"line":56,"address":[1715600],"length":1,"stats":{"Line":2}},{"line":57,"address":[1335001],"length":1,"stats":{"Line":2}},{"line":58,"address":[41429512],"length":1,"stats":{"Line":4}},{"line":59,"address":[4039567],"length":1,"stats":{"Line":4}},{"line":60,"address":[1774942],"length":1,"stats":{"Line":4}},{"line":61,"address":[2491037],"length":1,"stats":{"Line":4}},{"line":62,"address":[1715692],"length":1,"stats":{"Line":4}},{"line":63,"address":[1026511],"length":1,"stats":{"Line":4}},{"line":64,"address":[551163],"length":1,"stats":{"Line":4}},{"line":67,"address":[901280],"length":1,"stats":{"Line":1}},{"line":68,"address":[4039681],"length":1,"stats":{"Line":1}},{"line":71,"address":[1715792],"length":1,"stats":{"Line":1}},{"line":72,"address":[4039729],"length":1,"stats":{"Line":1}},{"line":75,"address":[807072,807188],"length":1,"stats":{"Line":2}},{"line":76,"address":[1335245],"length":1,"stats":{"Line":2}},{"line":79,"address":[551424],"length":1,"stats":{"Line":7}},{"line":80,"address":[1619448],"length":1,"stats":{"Line":9}},{"line":83,"address":[807248],"length":1,"stats":{"Line":4}},{"line":84,"address":[901597],"length":1,"stats":{"Line":4}},{"line":85,"address":[1619528,1619614],"length":1,"stats":{"Line":8}},{"line":86,"address":[1619629],"length":1,"stats":{"Line":4}},{"line":87,"address":[807497,807446],"length":1,"stats":{"Line":4}},{"line":88,"address":[1619704],"length":1,"stats":{"Line":4}},{"line":90,"address":[807367],"length":1,"stats":{"Line":4}},{"line":94,"address":[901824],"length":1,"stats":{"Line":5}},{"line":95,"address":[4040228],"length":1,"stats":{"Line":5}},{"line":97,"address":[1619798],"length":1,"stats":{"Line":5}},{"line":100,"address":[816046],"length":1,"stats":{"Line":5}},{"line":101,"address":[1775721,1775658],"length":1,"stats":{"Line":10}},{"line":102,"address":[1027439,1027249],"length":1,"stats":{"Line":5}},{"line":103,"address":[823859],"length":1,"stats":{"Line":5}},{"line":104,"address":[807763],"length":1,"stats":{"Line":5}},{"line":106,"address":[1335943],"length":1,"stats":{"Line":3}},{"line":108,"address":[41430482],"length":1,"stats":{"Line":5}},{"line":109,"address":[808017],"length":1,"stats":{"Line":5}},{"line":111,"address":[1336049],"length":1,"stats":{"Line":5}},{"line":112,"address":[2492048],"length":1,"stats":{"Line":5}},{"line":113,"address":[552123],"length":1,"stats":{"Line":5}},{"line":114,"address":[1027590,1027518,1027582],"length":1,"stats":{"Line":10}},{"line":117,"address":[1620290,1620190],"length":1,"stats":{"Line":2}}],"covered":55,"coverable":55},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","computer_manager.rs"],"content":"use std::fs::File;\nuse std::io::{BufReader, Read};\nuse std::path::Path;\nuse crate::chip8::computer::Chip8Computer;\nuse crate::chip8::cpu_states::Chip8CpuStates;\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForInstruction;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse std::thread;\nuse std::thread::sleep;\nuse std::time::{Duration, Instant};\n\npub enum ManagerDumpables {\n    Video,\n    Registers,\n    Keyboard,\n}\n\npub struct Chip8ComputerManager {\n    pub core_should_run: bool,\n    one_step: bool,\n    core_last_cycle_start: Instant,\n    computer: Chip8Computer,\n}\n\nimpl Default for Chip8ComputerManager {\n    fn default() -\u003e Self {\n        Chip8ComputerManager {\n            core_should_run: false,\n            one_step: false,\n            core_last_cycle_start: Instant::now(),\n            computer: Chip8Computer::new(),\n        }\n    }\n}\n\nimpl Chip8ComputerManager {\n\n    /// Builds a string that can be displayed at a console giving the user\n    /// an idea of the internal state of the Chip-8 Computer\n    pub fn status_as_string(\u0026self) -\u003e String {\n        // build a string\n        format!(\"Should Run: {}\\nLast Cycle Start: {:?}\\nNum Cycles: {}\\nRegisters\\n{}\\nTimers: {}/{}\\nKeypad: \\n{}\\nVideo:\\n{}\",\n            self.core_should_run,\n            self.core_last_cycle_start,\n            self.computer.num_cycles,\n            self.computer.registers.format_as_string(),\n            self.computer.delay_timer.current(),\n            self.computer.sound_timer.current(),\n            self.computer.keypad.format_as_string(),\n            self.computer.video_memory.format_as_string()\n        )\n    }\n\n    pub fn quirks_mode(\u0026self) -\u003e QuirkMode {\n        self.computer.quirk_mode.clone()\n    }\n\n    pub fn reset(\u0026mut self, mode: QuirkMode) {\n        self.one_step = false;\n        self.core_should_run = false;\n        self.computer.reset(mode);\n    }\n    pub fn new() -\u003e Chip8ComputerManager {\n        let _ = thread::spawn(move || loop {\n            let start_time = Instant::now();\n            let sleep_time = Instant::now().duration_since(start_time).as_millis();\n            sleep(Duration::from_millis((16 - sleep_time) as u64));\n        });\n\n        Chip8ComputerManager::default()\n    }\n\n    pub fn start(\u0026mut self) {\n        self.core_should_run = true;\n    }\n\n    pub fn stop(\u0026mut self) {\n        self.core_should_run = false\n    }\n\n    pub fn step(\u0026mut self) {\n        self.one_step = true;\n    }\n\n    pub fn state(\u0026mut self) -\u003e \u0026Chip8Computer {\n        \u0026self.computer\n    }\n\n    pub fn tick(\u0026mut self) -\u003e bool {\n        //   println!(\"STARTING TICK\");\n        let mut did_tick: bool = false;\n        if self.one_step | self.core_should_run {\n            if let WaitingForInstruction = self.computer.state {\n                self.core_last_cycle_start = Instant::now();\n                self.computer.step_system();\n                did_tick = true\n                //   println!(\"SYSTEM STEP\");\n            }\n        };\n        if self.one_step {\n            println!(\"SYSTEM HALTED AFTER 1 STEP\");\n            // stop the CPU for the next cycle, we are only\n            // wanting one step.\n            self.one_step = false;\n            did_tick = true;\n        }\n        did_tick\n    }\n\n    pub fn press_key(\u0026mut self, key_index: u8) {\n        self.computer.keypad.push_key(key_index);\n        if matches!(self.computer.state, Chip8CpuStates::WaitingForKey) {\n            self.computer.state = WaitingForInstruction\n        }\n    }\n    pub fn release_key(\u0026mut self, key_index: u8) {\n        self.computer.keypad.release_key(key_index);\n    }\n\n    pub fn sound(managed: \u0026Chip8ComputerManager) -\u003e bool {\n        managed.computer.sound_timer.current() \u003e 0\n    }\n\n    pub fn wait_for_instruction(\u0026mut self) {\n        self.computer.state = WaitingForInstruction;\n    }\n\n    pub fn is_key_pressed(\u0026self, key_index: u8) -\u003e bool {\n        self.computer.keypad.pressed(key_index)\n    }\n\n    pub fn num_cycles(\u0026self) -\u003e i32 {\n        self.computer.num_cycles\n    }\n\n    pub fn load_new_program_to_system_memory(\u0026mut self, bytes_to_load: Vec\u003cu8\u003e) {\n        self.reset(self.computer.quirk_mode.clone());\n        self.computer.load_bytes_to_memory(0x200, \u0026bytes_to_load);\n    }\n\n    pub fn dump_to_string(\u0026self, dump_type: ManagerDumpables) -\u003e String {\n        match dump_type {\n            ManagerDumpables::Video =\u003e self.computer.video_memory.format_as_string(),\n            ManagerDumpables::Registers =\u003e self.computer.registers.format_as_string(),\n            ManagerDumpables::Keyboard =\u003e self.computer.keypad.format_as_string(),\n        }\n    }\n\n    pub fn load_new_program_from_disk_to_system_memory(\u0026mut self, file_to_load: \u0026Path) {\n        // load the file into bytes...\n        let file = File::open(file_to_load).unwrap();\n        let mut reader = BufReader::new(file);\n        let mut chunks = Vec::new();\n\n        loop {\n            let mut buffer = vec![0u8; 1];\n            let bytes_read = reader.read(\u0026mut buffer).unwrap_or(0);\n            if bytes_read == 0 {\n                break;\n            }\n            buffer.truncate(bytes_read);\n            chunks.push(buffer[0]);\n        }\n\n        self.load_new_program_to_system_memory(chunks);\n        // ...then use the existing method\n        self.core_should_run = true;\n    }\n}\n","traces":[{"line":26,"address":[783248],"length":1,"stats":{"Line":3}},{"line":30,"address":[41395393],"length":1,"stats":{"Line":4}},{"line":31,"address":[774816],"length":1,"stats":{"Line":3}},{"line":40,"address":[1681616,1682567],"length":1,"stats":{"Line":0}},{"line":42,"address":[775352,774926,775136,775038,775198,775253],"length":1,"stats":{"Line":0}},{"line":46,"address":[4006223],"length":1,"stats":{"Line":0}},{"line":47,"address":[2452370],"length":1,"stats":{"Line":0}},{"line":48,"address":[473372],"length":1,"stats":{"Line":0}},{"line":49,"address":[2452494],"length":1,"stats":{"Line":0}},{"line":50,"address":[783793],"length":1,"stats":{"Line":0}},{"line":54,"address":[2453136],"length":1,"stats":{"Line":1}},{"line":55,"address":[41396469],"length":1,"stats":{"Line":1}},{"line":58,"address":[2453152],"length":1,"stats":{"Line":2}},{"line":59,"address":[41396496],"length":1,"stats":{"Line":2}},{"line":60,"address":[785159],"length":1,"stats":{"Line":2}},{"line":61,"address":[785166],"length":1,"stats":{"Line":2}},{"line":63,"address":[785184],"length":1,"stats":{"Line":1}},{"line":64,"address":[474142],"length":1,"stats":{"Line":2}},{"line":65,"address":[1836740],"length":1,"stats":{"Line":1}},{"line":66,"address":[1589020],"length":1,"stats":{"Line":1}},{"line":67,"address":[557370],"length":1,"stats":{"Line":1}},{"line":70,"address":[2453241],"length":1,"stats":{"Line":1}},{"line":73,"address":[41396592],"length":1,"stats":{"Line":1}},{"line":74,"address":[2453269],"length":1,"stats":{"Line":1}},{"line":77,"address":[776016],"length":1,"stats":{"Line":1}},{"line":78,"address":[776021],"length":1,"stats":{"Line":1}},{"line":81,"address":[41396624],"length":1,"stats":{"Line":1}},{"line":82,"address":[474229],"length":1,"stats":{"Line":1}},{"line":85,"address":[776048],"length":1,"stats":{"Line":1}},{"line":89,"address":[776064],"length":1,"stats":{"Line":0}},{"line":91,"address":[41396669],"length":1,"stats":{"Line":0}},{"line":92,"address":[474274],"length":1,"stats":{"Line":0}},{"line":93,"address":[41396755,41396711],"length":1,"stats":{"Line":0}},{"line":94,"address":[4007345],"length":1,"stats":{"Line":0}},{"line":95,"address":[785400],"length":1,"stats":{"Line":0}},{"line":96,"address":[784622],"length":1,"stats":{"Line":0}},{"line":100,"address":[784685,784568],"length":1,"stats":{"Line":0}},{"line":101,"address":[784640],"length":1,"stats":{"Line":0}},{"line":104,"address":[2453473],"length":1,"stats":{"Line":0}},{"line":105,"address":[784680],"length":1,"stats":{"Line":0}},{"line":107,"address":[41396757],"length":1,"stats":{"Line":0}},{"line":110,"address":[776224],"length":1,"stats":{"Line":1}},{"line":111,"address":[1682965],"length":1,"stats":{"Line":1}},{"line":112,"address":[2453527],"length":1,"stats":{"Line":1}},{"line":113,"address":[785526],"length":1,"stats":{"Line":0}},{"line":116,"address":[41396896],"length":1,"stats":{"Line":1}},{"line":117,"address":[776320],"length":1,"stats":{"Line":1}},{"line":120,"address":[785600],"length":1,"stats":{"Line":0}},{"line":121,"address":[41396949],"length":1,"stats":{"Line":0}},{"line":124,"address":[2453648],"length":1,"stats":{"Line":0}},{"line":125,"address":[784853],"length":1,"stats":{"Line":0}},{"line":128,"address":[41397008],"length":1,"stats":{"Line":1}},{"line":129,"address":[1683152],"length":1,"stats":{"Line":1}},{"line":132,"address":[785712],"length":1,"stats":{"Line":1}},{"line":133,"address":[784933],"length":1,"stats":{"Line":1}},{"line":136,"address":[2453744,2453875],"length":1,"stats":{"Line":2}},{"line":137,"address":[474691,474747],"length":1,"stats":{"Line":4}},{"line":138,"address":[785827],"length":1,"stats":{"Line":2}},{"line":141,"address":[1683360],"length":1,"stats":{"Line":0}},{"line":142,"address":[2453934],"length":1,"stats":{"Line":0}},{"line":143,"address":[785962],"length":1,"stats":{"Line":0}},{"line":144,"address":[2454000],"length":1,"stats":{"Line":0}},{"line":145,"address":[41397350],"length":1,"stats":{"Line":0}},{"line":149,"address":[2454800,2454831,2454048],"length":1,"stats":{"Line":1}},{"line":151,"address":[4008036,4008202],"length":1,"stats":{"Line":4}},{"line":152,"address":[41397585],"length":1,"stats":{"Line":2}},{"line":153,"address":[4008223],"length":1,"stats":{"Line":2}},{"line":155,"address":[777067],"length":1,"stats":{"Line":2}},{"line":156,"address":[475238],"length":1,"stats":{"Line":2}},{"line":157,"address":[777146,777226],"length":1,"stats":{"Line":4}},{"line":158,"address":[1684015],"length":1,"stats":{"Line":2}},{"line":161,"address":[41397917],"length":1,"stats":{"Line":2}},{"line":162,"address":[777447],"length":1,"stats":{"Line":2}},{"line":165,"address":[777349],"length":1,"stats":{"Line":2}},{"line":167,"address":[4008629],"length":1,"stats":{"Line":2}}],"covered":46,"coverable":75},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","cpu_states.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Default, Serialize, Deserialize, Debug)]\npub enum Chip8CpuStates {\n    #[default]\n    WaitingForInstruction,\n    WaitingForKey,\n    ExecutingInstruction,\n    Error,\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","delay_timer.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub struct DelayTimer {\n    counter: u8,\n}\n\nimpl Default for DelayTimer {\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}\n\nimpl DelayTimer {\n    pub fn current(\u0026self) -\u003e u8 {\n        self.counter\n    }\n\n    pub fn new() -\u003e Self {\n        DelayTimer { counter: 0xff }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.counter = 0xff;\n    }\n\n    pub fn set_timer(\u0026mut self, new_value: u8) {\n        self.counter = new_value\n    }\n\n    pub fn tick(\u0026mut self) {\n        if self.counter \u003e 0 {\n            self.counter -= 1;\n        }\n    }\n}\n","traces":[{"line":9,"address":[1712816],"length":1,"stats":{"Line":1}},{"line":10,"address":[813713],"length":1,"stats":{"Line":1}},{"line":15,"address":[1615936],"length":1,"stats":{"Line":1}},{"line":16,"address":[805269],"length":1,"stats":{"Line":1}},{"line":23,"address":[821408],"length":1,"stats":{"Line":4}},{"line":24,"address":[4036789],"length":1,"stats":{"Line":4}},{"line":27,"address":[1772160],"length":1,"stats":{"Line":2}},{"line":28,"address":[805324],"length":1,"stats":{"Line":2}},{"line":31,"address":[41426768],"length":1,"stats":{"Line":6}},{"line":32,"address":[821495,821454],"length":1,"stats":{"Line":11}},{"line":33,"address":[821469,821497],"length":1,"stats":{"Line":5}}],"covered":11,"coverable":11},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","instructions.rs"],"content":"use crate::chip8::computer::Chip8Computer;\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForKey;\nuse crate::chip8::instructions::Chip8CpuInstructions::*;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse crate::chip8::util::InstructionUtil;\nuse crate::constants::*;\nuse log::debug;\nuse rand::Rng;\nuse serde::{Deserialize, Serialize};\nuse std::fmt::{Debug, Display, Formatter};\nuse std::ops::BitAnd;\n\n/*\nnnn or addr - A 12-bit value, the lowest 12 bits of the instruction\nn or nibble - A 4-bit value, the lowest 4 bits of the instruction\nx - A 4-bit value, the lower 4 bits of the high byte of the instruction\ny - A 4-bit value, the upper 4 bits of the low byte of the instruction\nkk or byte - An 8-bit value, the lowest 8 bits of the instruction\n */\n\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub enum Chip8CpuInstructions {\n    /// 0nnn\n    /// Exit to System Call at nnn\n    SYS(u16),\n    /// 00E0\n    /// Clear the display.\n    CLS,\n    /// 00EE\n    /// Return from a subroutine.\n    ///\n    /// The interpreter sets the program counter to the address at the top of the stack,\n    /// then subtracts 1 from the stack pointer.\n    RET,\n    /// 1nnn\n    /// Jump to location nnn.\n    ///\n    /// The interpreter sets the program counter to nnn.\n    JPA(u16),\n    /// 2nnn\n    /// Call subroutine at nnn.\n    ///\n    /// The interpreter increments the stack pointer, then puts the current PC on the top\n    /// of the stack. The PC is then set to nnn.\n    CALL(u16),\n    /// 0x3xkk\n    /// Skip next instruction if Vx = kk.\n    ///\n    /// The interpreter compares register Vx to kk, and if they are equal, increments the\n    /// program counter by 2.\n    SEX(u8, u8),\n    /// 4xkk\n    /// Skip next instruction if Vx != kk.\n    ///\n    /// The interpreter compares register Vx to kk, and if they are not equal, increments\n    /// the program counter by 2.\n    SNEB(u8, u8),\n    /// 5xy0\n    /// Skip next instruction if Vx = Vy.\n    ///\n    /// The interpreter compares register Vx to register Vy, and if they are equal, increments\n    /// the program counter by 2.\n    SEY(u8, u8),\n    /// 6xkk\n    /// Set Vx = kk\n    LDR(u8, u8),\n    /// 7xkk\n    /// The interpreter puts the value kk into register Vx.\n    ADD(u8, u8),\n    /// 8xy0\n    /// Adds the value kk to the value of register Vx, then stores the result in Vx.\n    LDRY(u8, u8),\n    /// 8xy1\n    /// Stores the value of register Vy in register Vx.\n    OR(u8, u8),\n    /// 8xy2\n    /// Set Vx = Vx OR Vy.\n    ///\n    /// Performs a bitwise OR on the values of Vx and Vy, then stores the result in Vx.\n    /// A bitwise OR compares the corrseponding bits from two values, and if either\n    /// bit is 1, then the same bit in the result is also 1. Otherwise, it is 0.\n    AND(u8, u8),\n    /// 8xy3\n    /// Set Vx = Vx AND Vy.\n    ///\n    /// Performs a bitwise AND on the values of Vx and Vy, then stores the result in Vx.\n    /// A bitwise AND compares the corrseponding bits from two values, and if both bits\n    /// are 1, then the same bit in the result is also 1. Otherwise, it is 0.\n    ORY(u8, u8),\n    /// 8xy4\n    /// Set Vx = Vx XOR Vy.\n    ///\n    /// Performs a bitwise exclusive OR on the values of Vx and Vy, then stores the\n    /// result in Vx. An exclusive OR compares the corrseponding bits from two values,\n    /// and if the bits are not both the same, then the corresponding bit in the result\n    /// is set to 1. Otherwise, it is 0.\n    ADDR(u8, u8),\n    /// 8xy5\n    /// Set Vx = Vx + Vy, set VF = carry.\n    ///\n    /// The values of Vx and Vy are added together. If the result is greater than 8 bits\n    /// (i.e., \u003e 255,) VF is set to 1, otherwise 0. Only the lowest 8 bits of the result\n    /// are kept, and stored in Vx.\n    SUB(u8, u8),\n    /// 8xy6\n    /// Set Vx = Vx - Vy, set VF = NOT borrow.\n    ///\n    /// If Vx \u003e Vy, then VF is set to 1, otherwise 0. Then Vy is subtracted from Vx, and the\n    /// results stored in Vx.\n    SHR(u8, u8),\n    /// 8xy7\n    /// If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx\n    /// is divided by 2.\n    SUBC(u8, u8),\n    /// 8xye\n    /// Set Vx = Vy - Vx, set VF = NOT borrow.\n    //\n    /// If Vy \u003e Vx, then VF is set to 1, otherwise 0. Then Vx is subtracted from Vy, and the\n    /// results stored in Vx.\n    SHL(u8, u8),\n    /// 9xy0\n    /// Skip next instruction if Vx != Vy.\n    ///\n    /// The values of Vx and Vy are compared, and if they are not equal, the program\n    /// counter is increased by 2.\n    SNEY(u8, u8),\n    /// Annn\n    /// Set I = nnn.\n    ///\n    /// The value of register I is set to nnn\n    LDIA(u16),\n    /// Bnnn\n    /// Jump to location nnn + V0.\n    ///\n    /// The program counter is set to nnn plus the value of V0.\n    JPI(u16),\n    /// Cxkk\n    /// Set Vx = random byte AND kk.\n    ///\n    /// The interpreter generates a random number from 0 to 255, which is then\n    /// ANDed with the value kk. The results are stored in Vx. See instruction\n    /// 8xy2 for more information on AND.\n    RND(u8, u8),\n    /// Dxyn\n    /// Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision.\n    ///\n    /// In Chip-8,\n    ///\n    /// The interpreter reads n bytes from memory, starting at the address stored in I.\n    /// These bytes are then displayed as sprites on screen at coordinates (Vx, Vy).\n    /// Sprites are XORed onto the existing screen. If this causes any pixels to be erased,\n    /// VF is set to 1, otherwise it is set to 0. If the sprite is positioned so part of\n    /// it is outside the coordinates of the display, it wraps around to the opposite side\n    /// of the screen. See instruction 8xy3 for more information on XOR, and section 2.4,\n    /// Display, for more information on the Chip-8 screen and sprites.\n    ///\n    /// In SCHIP\n    ///\n    /// Show N-byte sprite from M(I) at Coords (VX,VY) VF = Collision.\n    /// If N=0 AND ExtendedMode, 16x16 sprite\n    DRW(u8, u8, u8),\n    /// Ex9E\n    /// Skip next instruction if key with the value of Vx is pressed.\n    ///\n    /// Checks the keyboard, and if the key corresponding to the value of Vx is currently\n    /// in the down position, PC is increased by 2.\n    SKP(u8),\n    /// ExA1\n    /// Skip next instruction if key with the value of Vx is not pressed.\n    ///\n    /// Checks the keyboard, and if the key corresponding to the value of Vx is currently in\n    /// the up position, PC is increased by 2.\n    /// On XO Chip, Skips 2 more bytes when the instruction is 4 bytes long\n    SKNP(u8),\n    /// Fx07\n    /// The value of DT is placed into Vx.\n    LDRD(u8),\n    /// Fx0A\n    /// Wait for a key press, store the value of the key in Vx.\n    ///\n    /// All execution stops until a key is pressed, then the value of that key is stored in Vx.\n    LDRK(u8),\n    /// Fx15\n    /// Set delay timer = Vx.\n    ///\n    /// DT is set equal to the value of Vx.\n    LDD(u8), // 0xFx15 Set Delay Timer\n    /// Fx18\n    /// Set sound timer = Vx.\n    ///\n    /// ST is set equal to the value of Vx.\n    LDIS(u8),\n    /// Fx1E - ADD I, Vx\n    /// Set I = I + Vx.\n    ///\n    /// The values of I and Vx are added, and the results are stored in I.\n    ADDI(u8),\n    /// Fx29 - LD F, Vx\n    /// Set I = location of sprite for digit Vx.\n    ///\n    /// The value of I is set to the location for the hexadecimal sprite\n    /// corresponding to the value of Vx. See section 2.4, Display, for\n    /// more information on the Chip-8 hexadecimal font.\n    LDFX(u8),\n    /// Fx33 - LD B, Vx\n    /// Store BCD representation of Vx in memory locations I, I+1, and I+2.\n    ///\n    /// The interpreter takes the decimal value of Vx, and places the hundreds\n    /// digit in memory at location in I, the tens digit at location I+1, and the\n    /// ones digit at location I+2.\n    BCD(u8),\n    /// Fx55 - LD [I], Vx\n    /// Store registers V0 through Vx in memory starting at location I.\n    ///\n    /// The interpreter copies the values of registers V0 through Vx into memory,\n    /// starting at the address in I.\n    LDIX(u8),\n    /// Fx65 - LD Vx, [I]\n    /// Read registers V0 through Vx from memory starting at location I.\n    ///\n    /// The interpreter reads values from memory starting at location I into registers\n    /// V0 through Vx.\n    LDRI(u8),\n    XXXXERRORINSTRUCTION,\n    // 00Dn - CHIP8 - SCHIP * XOCHIP\n    /* START OF SCHIP-8 */\n    /// 00CN - CHIP8 * SCHIP * XOCHIP\n    ///\n    /// Scrolll Display N Lines Down\n    SCD(u8),\n    /// 00FB\n    ///\n    /// Scroll 4 lines Right\n    SCR,\n    /// 00FC\n    ///\n    /// Scroll 4 lines Left\n    SCL,\n    /// 00FE\n    ///\n    /// Disable Extended Mode\n    LOW,\n    /// 00FF\n    ///\n    /// Enable Extended Mode\n    HIGH,\n    /// 00FD\n    ///\n    /// Exit App\n    EXIT,\n    /// FX30\n    ///\n    /// Point I to 10 yte font sprite for digit VX (0..9)\n    LDF2(u8),\n    /// FX75\n    ///\n    /// Store V0..VX in RPL user flags (X \u003c= 7\n    STR(u8),\n    /// FX85\n    ///\n    /// Load V0..VX from RPL user flags (X \u003c= 7)\n    LIDR(u8),\n    /// 0xBxNN\n    ///\n    /// Jump to Address XNN+Vx\n    JPX(u8, u16),\n    /// 0x00Cn\n    ///\n    /// scroll screen content down N pixel, in XO-CHIP only selected bit\n    /// planes are scrolled (Quirks are HP48 specific)\n    SCU(u8),\n    /// 0xNNNN\n    ///\n    /// data word\n    /// used for specifying data to be used in system memory\n    DW(u16),\n}\n\nimpl Chip8CpuInstructions {\n    pub fn name(\u0026self) -\u003e \u0026str {\n        match self {\n            ADDI(_) =\u003e INST_ADDI,\n            ADD(_, _) =\u003e INST_ADD,\n            ADDR(_, _) =\u003e INST_ADDR,\n            AND(_, _) =\u003e INST_AND,\n            CLS =\u003e INST_CLS,\n            CALL(_) =\u003e INST_CALL,\n            DRW(_, _, _) =\u003e INST_DRW,\n            EXIT =\u003e INST_EXIT,\n            JPA(_) =\u003e INST_JPA,\n            JPI(_) =\u003e INST_JPI,\n            BCD(_) =\u003e INST_BCD,\n            LDD(_) =\u003e INST_LDD,\n            LDFX(_) =\u003e INST_LDF,\n            LDF2(_) =\u003e INST_LDF2,\n            LDIA(_) =\u003e INST_LDIA,\n            LDIX(_) =\u003e INST_LDIX,\n            LIDR(_) =\u003e INST_LIDR,\n            LDIS(_) =\u003e INST_LDIS,\n            LDR(_, _) =\u003e INST_LDR,\n            LDRD(_) =\u003e INST_LDRD,\n            LDRI(_) =\u003e INST_LDRI,\n            LDRK(_) =\u003e INST_LDRK,\n            LDRY(_, _) =\u003e INST_LDRY,\n            OR(_, _) =\u003e INST_OR,\n            RET =\u003e INST_RET,\n            RND(_, _) =\u003e INST_RND,\n            SCD(_) =\u003e INST_SCD,\n            SCL =\u003e INST_SCL,\n            SCR =\u003e INST_SCR,\n            SEX(_, _) =\u003e INST_SEX,\n            SEY(_, _) =\u003e INST_SEY,\n            SHL(_, _) =\u003e INST_SHL,\n            SHR(_, _) =\u003e INST_SHR,\n            SKP(_) =\u003e INST_SKP,\n            SNEB(_, _) =\u003e INST_SNEB,\n            SNEY(_, _) =\u003e INST_SNEY,\n            SKNP(_) =\u003e INST_SKNP,\n            STR(_) =\u003e INST_STR,\n            SUB(_, _) =\u003e INST_SUB,\n            SUBC(_, _) =\u003e INST_SUBC,\n            SYS(_) =\u003e INST_SYS,\n            LOW =\u003e INST_LOW,\n            HIGH =\u003e INST_HIGH,\n            ORY(_, _) =\u003e INST_ORY,\n            JPX(_, _) =\u003e INST_JPX,\n            XXXXERRORINSTRUCTION =\u003e \"XX ERROR XX\",\n            SCU(_) =\u003e INST_SCU,\n            DW(_) =\u003e INST_DW,\n        }\n    }\n\n    pub fn operands(\u0026self) -\u003e String {\n        match self {\n            JPX(x, addr) =\u003e {\n                let addr_for_display = (*x as u16) \u003c\u003c 8 | *addr;\n                format!(\"0x{x:02x}, 0x{addr_for_display:04x}\")\n            }\n            Chip8CpuInstructions::DW(addr)\n            | Chip8CpuInstructions::SYS(addr)\n            | Chip8CpuInstructions::JPI(addr)\n            | Chip8CpuInstructions::JPA(addr)\n            | Chip8CpuInstructions::LDIA(addr)\n            | Chip8CpuInstructions::CALL(addr) =\u003e {\n                format!(\"0x{addr:04x}\")\n            }\n            Chip8CpuInstructions::SEX(x, byte)\n            | Chip8CpuInstructions::SNEB(x, byte)\n            | Chip8CpuInstructions::LDR(x, byte)\n            | Chip8CpuInstructions::RND(x, byte)\n            | Chip8CpuInstructions::ADD(x, byte) =\u003e {\n                format!(\"0x{x:02x}, 0x{byte:02x}\")\n            }\n            // Reg, Reg\n            SEY(x, y)\n            | Chip8CpuInstructions::LDRY(x, y)\n            | Chip8CpuInstructions::OR(x, y)\n            | Chip8CpuInstructions::AND(x, y)\n            | Chip8CpuInstructions::ORY(x, y)\n            | Chip8CpuInstructions::ADDR(x, y)\n            | Chip8CpuInstructions::SUB(x, y)\n            | Chip8CpuInstructions::SHR(x, y)\n            | Chip8CpuInstructions::SUBC(x, y)\n            | Chip8CpuInstructions::SHL(x, y)\n            | Chip8CpuInstructions::SNEY(x, y) =\u003e {\n                format!(\"0x{x:01x}, 0x{y:01x}\")\n            }\n            // Reg, Reg, Nibble\n            Chip8CpuInstructions::DRW(x, y, nibble) =\u003e {\n                format!(\"0x{x:02x}, 0x{y:02x}, 0x{nibble:02x}\")\n            }\n            // Registers.  0-F\n            Chip8CpuInstructions::SCU(x)\n            | Chip8CpuInstructions::LDD(x)\n            | Chip8CpuInstructions::LDIS(x)\n            | Chip8CpuInstructions::ADDI(x)\n            | Chip8CpuInstructions::LDFX(x)\n            | Chip8CpuInstructions::BCD(x)\n            | Chip8CpuInstructions::LDIX(x)\n            | Chip8CpuInstructions::LDRD(x)\n            | Chip8CpuInstructions::LDRK(x)\n            | Chip8CpuInstructions::LDRI(x)\n            | Chip8CpuInstructions::LDF2(x)\n            | Chip8CpuInstructions::STR(x)\n            | Chip8CpuInstructions::LIDR(x)\n            | Chip8CpuInstructions::SCD(x)\n            | Chip8CpuInstructions::SKNP(x)\n            | Chip8CpuInstructions::SKP(x) =\u003e {\n                format!(\"0x{x:02x}\")\n            }\n            Chip8CpuInstructions::EXIT\n            | Chip8CpuInstructions::HIGH\n            | Chip8CpuInstructions::LOW\n            | Chip8CpuInstructions::SCL\n            | Chip8CpuInstructions::XXXXERRORINSTRUCTION\n            | Chip8CpuInstructions::SCR\n            | Chip8CpuInstructions::CLS\n            | Chip8CpuInstructions::RET =\u003e String::new(),\n        }\n    }\n}\n\nimpl Display for Chip8CpuInstructions {\n    fn fmt(\u0026self, f: \u0026mut Formatter\u003c'_\u003e) -\u003e std::fmt::Result {\n        let ops = self.operands();\n        let space = if ops.is_empty() { \"\" } else { \" \" };\n        write!(f, \"{}{}{}\", self.name(), space, ops)\n    }\n}\n\nimpl Chip8CpuInstructions {\n    pub fn from_str(input: \u0026str) -\u003e Chip8CpuInstructions {\n        let mut parts = input.split(\" \");\n        //  print!(\"THERE ARE {} PARTS\", parts.clone().count());\n        let first_part = parts.next().unwrap_or(\"\").to_ascii_uppercase();\n        // take the next value...\n        // ...strip off the extra...\n        // ...convert it to an integer from base 16\n        let param1 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        let param2 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        let param3 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        println!(\n            \"\\tFirst part is {:?} / {:?} / {:?} / {:?}\",\n            first_part, param1, param2, param3\n        );\n        match first_part.as_str() {\n            INST_ADDI =\u003e ADDI(param1 as u8),\n            INST_ADD =\u003e ADD(param1 as u8, param2 as u8),\n            INST_CLS =\u003e CLS,\n            INST_DRW =\u003e DRW(param1 as u8, param2 as u8, param3 as u8),\n            INST_CALL =\u003e CALL(param1),\n            INST_SYS =\u003e SYS(param1),\n            INST_RET =\u003e RET,\n            INST_JPA =\u003e JPA(param1),\n            INST_JPI =\u003e JPI(param1),\n            INST_SEX =\u003e SEX(param1 as u8, param2 as u8),\n            INST_SNEB =\u003e SNEB(param1 as u8, param2 as u8),\n            INST_SCD =\u003e SCD(param1 as u8),\n            INST_STR =\u003e STR(param1 as u8),\n            INST_SCL =\u003e SCL,\n            INST_EXIT =\u003e EXIT,\n            INST_LOW =\u003e LOW,\n            INST_HIGH =\u003e HIGH,\n            INST_SEY =\u003e SEY(param1 as u8, param2 as u8),\n            INST_LDRY =\u003e LDRY(param1 as u8, param2 as u8),\n            INST_LDR =\u003e LDR(param1 as u8, param2 as u8),\n            INST_OR =\u003e OR(param1 as u8, param2 as u8),\n            INST_AND =\u003e AND(param1 as u8, param2 as u8),\n            INST_ORY =\u003e ORY(param1 as u8, param2 as u8),\n            INST_ADDR =\u003e ADDR(param1 as u8, param2 as u8),\n            INST_SUB =\u003e SUB(param1 as u8, param2 as u8),\n            INST_SHR =\u003e SHR(param1 as u8, param2 as u8),\n            INST_SHL =\u003e SHL(param1 as u8, param2 as u8),\n            INST_SUBC =\u003e SUBC(param1 as u8, param2 as u8),\n            INST_SNEY =\u003e SNEY(param1 as u8, param2 as u8),\n            INST_LDIA =\u003e LDIA(param1),\n            INST_RND =\u003e RND(param1 as u8, param2 as u8),\n            INST_SKP =\u003e SKP(param1 as u8),\n            INST_SKNP =\u003e SKNP(param1 as u8),\n            INST_LDRD =\u003e LDRD(param1 as u8),\n            INST_LDRK =\u003e LDRK(param1 as u8),\n            INST_LDRI =\u003e LDRI(param1 as u8),\n            INST_BCD =\u003e BCD(param1 as u8),\n            INST_LDF =\u003e LDFX(param1 as u8),\n            INST_LDF2 =\u003e LDF2(param1 as u8),\n            INST_LDIX =\u003e LDIX(param1 as u8),\n            INST_LIDR =\u003e LIDR(param1 as u8),\n            INST_LDIS =\u003e LDIS(param1 as u8),\n            INST_LDD =\u003e LDD(param1 as u8),\n            INST_JPX =\u003e JPX(param1 as u8, param2),\n            INST_DW =\u003e DW(param1 as u16),\n            _ =\u003e XXXXERRORINSTRUCTION,\n        }\n    }\n\n    pub fn encode(\u0026self) -\u003e u16 {\n        match self {\n            SYS(target) =\u003e target \u0026 0x0FFF,\n            CLS =\u003e 0x00E0,\n            RET =\u003e 0x00EE,\n            JPA(new_addr) =\u003e 0x1000 | (new_addr \u0026 0x0FFF),\n            CALL(address) =\u003e 0x2000 | (address \u0026 0x0FFF),\n            SEX(vx_register, byte) =\u003e {\n                0x3000 | ((*vx_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            SNEB(vx_register, byte) =\u003e {\n                0x4000 | ((*vx_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::SEY(x_register, y_register) =\u003e {\n                0x5000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::LDR(x_register, byte) =\u003e {\n                0x6000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::ADD(x_register, byte) =\u003e {\n                0x7000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::LDRY(x_register, y_register) =\u003e {\n                0x8000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::OR(x_register, y_register) =\u003e {\n                0x8001 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::AND(x_register, y_register) =\u003e {\n                0x8002 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::ORY(x_register, y_register) =\u003e {\n                0x8003 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::ADDR(x_register, y_register) =\u003e {\n                0x8004 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SUB(x_register, y_register) =\u003e {\n                0x8005 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SHR(x_register, y_register) =\u003e {\n                0x8006 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SUBC(x_register, y_register) =\u003e {\n                0x8007 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SHL(x_register, y_register) =\u003e {\n                0x800E | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SNEY(x_register, y_register) =\u003e {\n                0x9000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::LDIA(addr) =\u003e 0xA000 | addr,\n            Chip8CpuInstructions::JPI(addr) =\u003e 0xB000 | addr,\n            JPX(x_register, addr) =\u003e (0xb000 | (*x_register as u16) \u003c\u003c 8) | *addr,\n            Chip8CpuInstructions::RND(x_register, byte) =\u003e {\n                0xC000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::DRW(x_register, y_register, height) =\u003e {\n                0xD000\n                    | ((*x_register as u16) \u003c\u003c 8)\n                    | ((*y_register as u16) \u003c\u003c 4)\n                    | (*height as u16)\n            }\n            Chip8CpuInstructions::SKP(x_register) =\u003e 0xE09E | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::SKNP(x_register) =\u003e 0xE0A1 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRD(x_register) =\u003e 0xF007 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRK(x_register) =\u003e 0xF00A | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDD(x_register) =\u003e 0xF015 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDIS(x_register) =\u003e 0xF018 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::ADDI(x_register) =\u003e 0xF01E | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDFX(x_register) =\u003e 0xF029 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::BCD(x_register) =\u003e 0xF033 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDIX(x_register) =\u003e 0xF055 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRI(x_register) =\u003e 0xF065 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::SCD(x_register) =\u003e 0x00C0 | (*x_register as u16),\n            Chip8CpuInstructions::SCR =\u003e 0x00FB,\n            Chip8CpuInstructions::SCL =\u003e 0x00FC,\n            Chip8CpuInstructions::LOW =\u003e 0x00FE,\n            Chip8CpuInstructions::HIGH =\u003e 0x00FF,\n            Chip8CpuInstructions::EXIT =\u003e 0x00FD,\n            Chip8CpuInstructions::LDF2(x_register) =\u003e 0xF030 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::STR(x_register) =\u003e 0xF075 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LIDR(x_register) =\u003e 0xF085 | ((*x_register as u16) \u003c\u003c 8),\n            SCU(x_register) =\u003e 0x00D0 | (*x_register as u16),\n            DW(address) =\u003e *address as u16,\n            XXXXERRORINSTRUCTION =\u003e XXXXERRORINSTRUCTION_ENCODED,\n        }\n    }\n    pub fn decode(input: u16, quirk_mode: \u0026QuirkMode) -\u003e Chip8CpuInstructions {\n        let x_param = InstructionUtil::read_x_from_instruction(input);\n        let y_param = InstructionUtil::read_y_from_instruction(input);\n        let addr_param = InstructionUtil::read_addr_from_instruction(input);\n        let byte_param = InstructionUtil::read_byte_from_instruction(input);\n        let nibble_param = InstructionUtil::read_nibble_from_instruction(input);\n        let ubln = InstructionUtil::read_upper_byte_lower_nibble(input);\n        let last_byte = (input \u0026 0xFF) as u8;\n        let last_nibble = (input \u0026 0xF) as u8;\n\n        match input {\n            0x00C0..=0x00CF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip =\u003e SCD(last_nibble),\n                QuirkMode::SChipModern =\u003e SCD(last_nibble),\n            },\n            0x00E0 =\u003e Chip8CpuInstructions::CLS,\n            0x00EE =\u003e Chip8CpuInstructions::RET,\n            0x00FB =\u003e {\n                match quirk_mode {\n                    QuirkMode::Chip8 =\u003e {\n                        // does not exist on Chip8\n                        XXXXERRORINSTRUCTION\n                    }\n                    QuirkMode::XOChip =\u003e Chip8CpuInstructions::SCR,\n                    QuirkMode::SChipModern =\u003e Chip8CpuInstructions::SCR,\n                }\n            }\n            0x00FC =\u003e Chip8CpuInstructions::SCL,\n            0x00FD =\u003e Chip8CpuInstructions::EXIT,\n            0x00FE =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e LOW,\n            },\n            0x00FF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e HIGH,\n            },\n            0x0000..=0x0FFF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e Chip8CpuInstructions::SYS(addr_param),\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e XXXXERRORINSTRUCTION,\n            },\n            0x1000..=0x1FFF =\u003e JPA(addr_param),\n            0x2000..=0x2FFF =\u003e CALL(addr_param),\n            0x3000..=0x3FFF =\u003e SEX(x_param, byte_param),\n            0x4000..=0x4FFF =\u003e SNEB(x_param, byte_param),\n            0x5000..=0x5FF0 if input \u0026 0x01 == 0 =\u003e SEY(x_param, y_param),\n            0x6000..=0x6FFF =\u003e LDR(x_param, byte_param),\n            0x7000..=0x7FFF =\u003e ADD(x_param, byte_param),\n            0x8000..=0x8FFE =\u003e match last_nibble {\n                0x0 =\u003e Chip8CpuInstructions::LDRY(x_param, y_param),\n                0x1 =\u003e Chip8CpuInstructions::OR(x_param, y_param),\n                0x2 =\u003e Chip8CpuInstructions::AND(x_param, y_param),\n                0x3 =\u003e Chip8CpuInstructions::ORY(x_param, y_param),\n                0x4 =\u003e Chip8CpuInstructions::ADDR(x_param, y_param),\n                0x5 =\u003e Chip8CpuInstructions::SUB(x_param, y_param),\n                0x6 =\u003e Chip8CpuInstructions::SHR(x_param, y_param),\n                0x7 =\u003e Chip8CpuInstructions::SUBC(x_param, y_param),\n                0xE =\u003e Chip8CpuInstructions::SHL(x_param, y_param),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            0x9000..=0x9FF0 if input \u0026 0x01 == 0 =\u003e Chip8CpuInstructions::SNEY(x_param, y_param),\n            0xA000..=0xAFFF =\u003e Chip8CpuInstructions::LDIA(addr_param),\n            0xB000..=0xBFFF =\u003e Chip8CpuInstructions::JPI(addr_param),\n            0xC000..=0xCFFF =\u003e Chip8CpuInstructions::RND(x_param, byte_param),\n            0xD000..=0xDFFF =\u003e Chip8CpuInstructions::DRW(x_param, y_param, nibble_param),\n            0xE09E..=0xEFA1 =\u003e match last_byte {\n                0x9E =\u003e Chip8CpuInstructions::SKP(ubln),\n                0xA1 =\u003e Chip8CpuInstructions::SKNP(ubln),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            0xF007..=0xFF65 =\u003e match last_byte {\n                0x07 =\u003e Chip8CpuInstructions::LDRD(ubln),\n                0x0A =\u003e Chip8CpuInstructions::LDRK(ubln),\n                0x15 =\u003e Chip8CpuInstructions::LDD(ubln),\n                0x18 =\u003e Chip8CpuInstructions::LDIS(ubln),\n                0x1E =\u003e Chip8CpuInstructions::ADDI(ubln),\n                0x29 =\u003e Chip8CpuInstructions::LDFX(ubln),\n                0x30 =\u003e Chip8CpuInstructions::LDF2(ubln),\n                0x33 =\u003e Chip8CpuInstructions::BCD(ubln),\n                0x55 =\u003e Chip8CpuInstructions::LDIX(ubln),\n                0x65 =\u003e Chip8CpuInstructions::LDRI(ubln),\n                0x75 =\u003e Chip8CpuInstructions::STR(ubln),\n                0x85 =\u003e Chip8CpuInstructions::LIDR(ubln),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            _ =\u003e DW(addr_param),\n        }\n    }\n    pub fn execute(\u0026self, input: \u0026mut Chip8Computer) -\u003e Chip8Computer {\n        //        print!(\"INSTRUCTION {}\", self);\n        // let start_time = Instant::now();\n        let start_pc = input.registers.peek_pc();\n        input.registers.poke_pc(start_pc + 2);\n        match self {\n            // 0x0nnn Exit to System Call\n            Chip8CpuInstructions::SYS(new_address) =\u003e {\n                input.registers.poke_pc(*new_address);\n            }\n            // * 0x00E0 Clear Screen\n            Chip8CpuInstructions::CLS =\u003e {\n                input.video_memory.cls();\n            }\n            // 0x00EE Return from Subroutine\n            Chip8CpuInstructions::RET =\u003e {\n                input.registers.poke_pc(input.stack.pop());\n            }\n            // 0x1nnn Jump to Address\n            Chip8CpuInstructions::JPA(new_address) =\u003e {\n                input.registers.poke_pc(*new_address);\n            }\n            // 0x2nnn Call Subroutine\n            Chip8CpuInstructions::CALL(new_address) =\u003e {\n                let return_address = input.registers.peek_pc();\n                input.registers.poke_pc(*new_address);\n                input.stack.push(\u0026return_address);\n            }\n            // 0x3xkk Skip next instruction if Vx = kk.\n            Chip8CpuInstructions::SEX(vx_register, byte) =\u003e {\n                if input.registers.peek(*vx_register) == { *byte } {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x4xkk Skip next instruction if Vx != kk\n            Chip8CpuInstructions::SNEB(x, byte) =\u003e {\n                // 4xkk - SNE Vx, byte\n                // Skip next instruction if Vx != kk.\n                //\n                // The interpreter compares register Vx to kk, and if they are not equal,\n                // increments the program counter by 2.\n                if input.registers.peek(*x) != *byte {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x5xy0 Skip next instruction if Vx == Vy\n            Chip8CpuInstructions::SEY(x, y) =\u003e {\n                if input.registers.peek(*x) == input.registers.peek(*y) {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x6xkk Set Vx = kk\n            Chip8CpuInstructions::LDR(register, byte) =\u003e {\n                input.registers.poke(*register, *byte);\n            }\n            // 0x7xkk Set Vx = Vx + kk\n            Chip8CpuInstructions::ADD(vx_register, byte) =\u003e {\n                input.registers.poke(\n                    *vx_register,\n                    (input.registers.peek(*vx_register) as u16 + *byte as u16) as u8,\n                );\n            }\n            // 0x8xy0 Set value of Vy in Vx\n            Chip8CpuInstructions::LDRY(x, y) =\u003e {\n                input.registers.poke(*x, input.registers.peek(*y));\n            }\n            // 0x8xy1 Set Vx = Vx OR Vy\n            Chip8CpuInstructions::OR(x, y) =\u003e {\n                // shift them to 16 bit\n                let working_16_x = input.registers.peek(*x) as u16;\n                let working_16_y = input.registers.peek(*y) as u16;\n                // OR them\n                let working_16_or = working_16_x | working_16_y;\n                // shift them back to 8 bit.\n                input.registers.poke(*x, working_16_or as u8);\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                debug!(\"OrVxVy [0x{x:1x}] [0x{y:1x}]\")\n            }\n            // 0x8xy2 Set Vx = Vx AND Vy\n            AND(x, y) =\u003e {\n                let lhs_16 = input.registers.peek(*x) as u16;\n                let rhs_16 = input.registers.peek(*y) as u16;\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                input.registers.poke(*x, (lhs_16 \u0026 rhs_16) as u8);\n            }\n            // 0x8xy3 Set Vx = Vx XOR Vy\n            ORY(x, y) =\u003e {\n                let lhs_16 = input.registers.peek(*x) as u16;\n                let rhs_16 = input.registers.peek(*y) as u16;\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                input.registers.poke(*x, (lhs_16 ^ rhs_16) as u8);\n            }\n            // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n            ADDR(x, y) =\u003e {\n                let lhs = input.registers.peek(*x) as i16;\n                let rhs = input.registers.peek(*y) as i16;\n                let working = lhs + rhs;\n                input.registers.poke(*x, working as u8);\n\n                if working \u003e= 0x100 {\n                    input.registers.poke(0xf, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            SUB(x, y) =\u003e {\n                // 8xy5 - SUB Vx, Vy\n                // Set Vx = Vx - Vy, set VF = NOT borrow.\n                //\n                // If Vx \u003e Vy, then VF is set to 1, otherwise 0. Then Vy is subtracted from Vx, and the results stored in Vx.\n\n                let lhs = input.registers.peek(*x);\n                let rhs = input.registers.peek(*y);\n\n                let result;\n\n                let borrow_flag: u8 = if rhs \u003e lhs {\n                    result = (lhs as u16 + 0x100) - rhs as u16;\n                    0\n                } else {\n                    result = lhs as u16 - rhs as u16;\n                    1\n                };\n\n                input.registers.poke(*x, result as u8);\n                input.registers.poke(0x0f, borrow_flag);\n            }\n            Chip8CpuInstructions::SHR(x, _) =\u003e {\n                // 8xy6 - SHR Vx {, Vy}\n                // Set Vx = Vx SHR 1.\n                // SHIFT 1 Bit ----\u003e\n                // If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx is divided by 2.\n                let initial_value = input.registers.peek(*x);\n\n                // overflow check\n                let rotated = initial_value \u003e\u003e 1;\n                input.registers.poke(*x, rotated);\n                if initial_value.bitand(0b1) == 1 {\n                    input.registers.poke(0x0f, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            Chip8CpuInstructions::SUBC(x, y) =\u003e {\n                // 8xy7 - SUBN Vx, Vy\n                // Set Vx = Vy - Vx, set VF = NOT borrow.\n                //\n                // If Vy \u003e Vx, then VF is set to 1, otherwise 0. Then Vx is subtracted from Vy, and the results stored in Vx.\n                let y_register = input.registers.peek(*y);\n                let x_register = input.registers.peek(*x);\n\n                let (new_value, value_to_poke) = if y_register \u003c x_register {\n                    (0, (y_register as u16 + 256) - x_register as u16)\n                } else {\n                    (1, (y_register - x_register) as u16)\n                };\n                input.registers.poke(*x, value_to_poke as u8);\n                input.registers.poke(0xf, new_value);\n            }\n\n            Chip8CpuInstructions::SHL(x, _) =\u003e {\n                // 8xyE - SHL Vx {, Vy}\n                // Set Vx = Vx SHL 1.\n                //\n                // If the most-significant bit of Vx is 1, then VF is set to 1, otherwise to 0. Then Vx is multiplied by 2.\n                let initial_value = input.registers.peek(*x);\n\n                // overflow check\n                let rotated = initial_value \u003c\u003c 1;\n                input.registers.poke(*x, rotated);\n                if initial_value.bitand(0b10000000) == 0b10000000 {\n                    input.registers.poke(0x0f, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            Chip8CpuInstructions::SNEY(vx_register, vy_register) =\u003e {\n                // 9xy0 - SNE Vx, Vy\n                // Skip next instruction if Vx != Vy.\n                //\n                // The values of Vx and Vy are compared, and if they are not equal, the program counter is increased by 2.\n\n                let x_reg_value = input.registers.peek(*vx_register);\n                let y_reg_value = input.registers.peek(*vy_register);\n                if x_reg_value != y_reg_value {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::LDIA(new_index) =\u003e {\n                // Annn - LD I, addr\n                // Set I = nnn.\n                //\n                // The value of register I is set to nnn.\n                //  debug!(\"LdiAddr [0x{new_index:3x}]\");\n                input.registers.poke_i(*new_index);\n            }\n            // 0xBnnn Jump to nnn+V0\n            Chip8CpuInstructions::JPI(addr) =\u003e {\n                // Bnnn - JP V0, addr\n                // Jump to location nnn + V0.\n                //\n                // The program counter is set to nnn plus the value of V0.\n                input\n                    .registers\n                    .poke_pc(input.registers.peek(0) as u16 + addr);\n            }\n            // 0xBxnn Jump to Xnn+Vx\n            JPX(vx_register, addr) =\u003e {\n                let x_reg_value: u16 = input.registers.peek(*vx_register) as u16;\n                let shifted_x_reg = x_reg_value \u003c\u003c 8;\n                let added_addr = shifted_x_reg | addr;\n                let final_addr = added_addr + shifted_x_reg;\n                println!(\"JPX -\u003e {x_reg_value:02x} {shifted_x_reg:04x} {added_addr:04x} {final_addr:04x}\");\n                input.registers.poke_i(final_addr);\n            }\n            Chip8CpuInstructions::RND(x, byte) =\u003e {\n                // Cxkk - RND Vx, byte\n                // Set Vx = random byte AND kk.\n                //\n                // The interpreter generates a random number from 0 to 255,\n                // which is then ANDed with the value kk.\n                // The results are stored in Vx.\n                let mut rng = rand::rng();\n                let new_value: u8 = rng.random();\n                let and_value: u8 = *byte;\n                let result = new_value \u0026 and_value;\n                debug!(\"RANDOM: [{new_value:02x}] AND: [{and_value:02x} Result: [{result:02x}]\");\n                input.registers.poke(*x, new_value \u0026 { *byte })\n            }\n            Chip8CpuInstructions::DRW(y, x, n) =\u003e {\n                // Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision.\n\n                // The interpreter reads n bytes from memory, starting at the address stored in I.\n\n                // These bytes are then displayed as sprites on screen at coordinates (Vx, Vy).\n                // Sprites are XORed onto the existing screen.\n                // If this causes any pixels to be erased, VF is set to 1,\n                //     otherwise it is set to 0.\n                // If the sprite is positioned so part of it is outside the coordinates of the display,\n                //     it wraps around to the opposite side of the screen.\n\n                let source_memory_offset = input.registers.peek_i();\n                let x_offset = input.registers.peek(*x) as u16;\n                let y_offset = input.registers.peek(*y) as u16;\n                if input.video_memory.is_highres() {\n                    // if n == 0 we have a 16 row sprite (font maybe)\n                    let actual_num_loops = if *n == 0u8 { 16 } else { *n };\n                    for byte_index in 0..actual_num_loops {\n                        let current_byte =\n                            input.memory.peek(byte_index as u16 + source_memory_offset);\n                        let next_byte = input\n                            .memory\n                            .peek(byte_index as u16 + 1u16 + source_memory_offset);\n                        let x_offset = (x_offset + byte_index as u16) * 64;\n                        for bit_index in 0..8 {\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16),\n                                (current_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16) + 8,\n                                (next_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                        }\n                    }\n                } else {\n                    for byte_index in 0..*n {\n                        let current_byte =\n                            input.memory.peek(byte_index as u16 + source_memory_offset);\n                        let x_offset: u16 = (x_offset + byte_index as u16) * 64;\n                        for bit_index in 0..8 {\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16),\n                                (current_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                        }\n                    }\n                }\n\n                let target = if input.video_memory.has_frame_changed {\n                    1u8\n                } else {\n                    0u8\n                };\n\n                input.registers.poke(0xf, target);\n            }\n            Chip8CpuInstructions::SKP(x) =\u003e {\n                // Ex9E - SKP Vx\n                // Skip next instruction if key with the value of Vx is pressed.\n                //\n                // Checks the keyboard, and if the key corresponding to the value of Vx is currently in the down position, PC is increased by 2.\n                let key_to_check = input.registers.peek(*x);\n                let is_pressed = input.keypad.pressed(key_to_check);\n                if is_pressed {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::SKNP(x) =\u003e {\n                // ExA1 - SKNP Vx\n                // Skip next instruction if key with the value of Vx is not pressed.\n                //\n\n                // Checks the keyboard,\n                // and if the key corresponding to the value of Vx is currently in the up position,\n                // PC is increased by 2.\n                let target_key = input.registers.peek(*x);\n                let is_pressed = input.keypad.pressed(target_key);\n                debug!(\"SnKpVx [{x:1x}]\");\n                if !is_pressed {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::LDRD(x) =\u003e {\n                // Fx07 - LD Vx, DT\n                // Set Vx = delay timer value.\n                //\n                // The value of DT is placed into Vx.\n                let value_to_set = input.delay_timer.current();\n                input.registers.poke(*x, value_to_set);\n            }\n            Chip8CpuInstructions::LDRK(_) =\u003e {\n                // Fx0A - LD Vx, K\n                // Wait for a key press, store the value of the key in Vx.\n                //\n                // All execution stops until a key is pressed, then the value of that key is stored in Vx.\n                input.state = WaitingForKey;\n            }\n            Chip8CpuInstructions::LDD(source_register) =\u003e {\n                // Fx15 - LD DT, Vx\n                // Set delay timer = Vx.\n                //\n                // DT is set equal to the value of Vx.\n                let new_time = input.registers.peek(*source_register);\n                input.delay_timer.set_timer(new_time);\n            }\n            Chip8CpuInstructions::LDIS(new_time) =\u003e {\n                let new_value = input.registers.peek(*new_time);\n                input.sound_timer.set_timer(new_value as i32);\n            }\n            Chip8CpuInstructions::ADDI(x) =\u003e {\n                // Fx1E - ADD I, Vx\n                // Set I = I + Vx.\n                //\n                // The values of I and Vx are added, and the results are stored in I.\n                let base = input.registers.peek_i();\n                let x_value = input.registers.peek(*x);\n                input.registers.poke_i(base + x_value as u16);\n            }\n            Chip8CpuInstructions::LDFX(x) =\u003e {\n                // Fx29 - LD F, Vx\n                // Set I = location of sprite for digit Vx.\n                //\n                // The value of I is set to the location for the hexadecimal sprite corresponding\n                // to the value of Vx. See section 2.4, Display, for more information on\n                // the Chip-8 hexadecimal font.\n\n                let x_value: u8 = input.registers.peek(*x);\n\n                let real_offset = x_value as u16 * 5;\n                input.registers.poke_i(real_offset);\n            }\n            Chip8CpuInstructions::BCD(x) =\u003e {\n                // Fx33 - LD B, Vx\n                // Store BCD representation of Vx in memory locations I, I+1, and I+2.\n                //\n                // The interpreter takes the decimal value of Vx, and places the hundreds\n                // digit in memory at location in I, the tens digit at location I+1,\n                // and the ones digit at location I+2.\n\n                let to_convert = input.registers.peek(*x);\n\n                // how many hundreds\n                let hundreds = to_convert / 100;\n                // how many tens, minus the hundreds\n                let tens = (to_convert / 10) - (hundreds * 10);\n                // whats the leftover when dividing by 10\n                let units = to_convert % 10;\n\n                // write them to the memory pointed to by I, I+1, and I+2\n                let target_start_offset = input.registers.peek_i();\n                input.memory.poke(target_start_offset, hundreds);\n                input.memory.poke(target_start_offset + 1, tens);\n                input.memory.poke(target_start_offset + 2, units);\n            }\n            Chip8CpuInstructions::LDIX(x) =\u003e {\n                // Store registers V0 through Vx in memory starting at location I.\n                //\n                // The interpreter copi=es the values of registers V0 through Vx into memory,\n                // starting at the address in I.\n                let offset = input.registers.peek_i();\n                for i in 0..=*x {\n                    input\n                        .memory\n                        .poke(offset + i as u16, input.registers.peek(i));\n                }\n                input.registers.poke_i(offset + 1);\n            }\n            Chip8CpuInstructions::LDRI(x) =\u003e {\n                // Read registers V0 through Vx from memory starting at location I.\n                //\n                // The interpreter reads values from memory starting at location I into registers V0 through Vx.\n                let offset = input.registers.peek_i();\n                debug!(\"STARTING TO READ AT {offset:03x}\");\n                let num_loops = x + 1;\n                debug!(\"WILL READ {num_loops:x} BYTES\");\n                for index in 0..num_loops {\n                    let src_value = input.memory.peek(index as u16 + offset);\n                    input.registers.poke(index, src_value);\n                    debug!(\"POKING Register 0x{index:02x} with 0x{src_value:04x} using offset 0x{offset:04x}\");\n                }\n                input.registers.poke_i(offset + 1);\n            }\n            Chip8CpuInstructions::XXXXERRORINSTRUCTION =\u003e {}\n            // SCHIP1.1\n            Chip8CpuInstructions::SCD(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCD in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_down(*x as i32);\n                }\n            },\n            // SCHIP 1.1\n            Chip8CpuInstructions::SCR =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCR in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_right();\n                }\n            },\n            // SCHIP 1.1\n            Chip8CpuInstructions::SCL =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCL in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_left();\n                }\n            },\n            // SCHIP 1.0\n            Chip8CpuInstructions::LOW =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO SET LOWRES IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.set_lowres();\n                }\n            },\n            // SCHIP 1.0\n            Chip8CpuInstructions::HIGH =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO SET HIGHRES IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.set_highres();\n                }\n            },\n            Chip8CpuInstructions::EXIT =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO EXIT FROM CHIP8 INTERPRETER\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"EXIT INTERPRETER\");\n                }\n            },\n            Chip8CpuInstructions::LDF2(x) =\u003e {\n                match input.quirk_mode {\n                    QuirkMode::Chip8 =\u003e {\n                        debug!(\"ATTEMPT TO LDF2 IN CHIP8MODE\");\n                    }\n                    QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                        println!(\"POINTING TO FONT AT {x:02x}\");\n                        // base = 0x100 + 0x0A*X\n                        input.registers.poke_i(0x100 + (0xA * x) as u16);\n                    }\n                }\n            }\n            Chip8CpuInstructions::STR(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO STORE RPL IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"STORING FROM RPL FOR {x}\");\n                }\n            },\n            Chip8CpuInstructions::LIDR(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO LOAD RPL IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"LOADING FROM RPL FOR {x}\");\n                }\n            },\n            SCU(x) =\u003e {\n                println!(\"SCROLL SCREEN UP {x} ROWS\");\n                match input.quirk_mode {\n                    QuirkMode::Chip8 | QuirkMode::SChipModern =\u003e {\n                        debug!(\"Attempt to run SCU outside XO mode\");\n                    }\n                    QuirkMode::XOChip =\u003e {\n                        input.video_memory.scroll_up(x);\n                    }\n                }\n            }\n            DW(_) =\u003e {\n                println!(\"DATA WORD FOUND...\");\n            }\n        };\n        // let cycle_time = Instant::now().duration_since(start_time).as_nanos();\n        //        println!(\"\\t\\tTook {cycle_time}ms\");\n        input.to_owned()\n    }\n\n    pub fn from_string(input: \u0026str) -\u003e Chip8CpuInstructions {\n        let parts = input.split(\" \");\n        println!(\"Parts -\u003e {:?}\", parts);\n\n        Chip8CpuInstructions::XXXXERRORINSTRUCTION\n    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return_value\n    }\n}\n\nimpl Keypad {\n    pub fn push_key(\u0026mut self, key_index: u8) {\n        self.keys[key_index as usize] = true;\n    }\n\n    pub fn release_key(\u0026mut self, key_index: u8) {\n        self.keys[key_index as usize] = false;\n    }\n\n    pub fn key_state(\u0026self, key_index: u8) -\u003e bool {\n        self.keys[key_index as usize]\n    }\n\n    pub fn new() -\u003e Keypad {\n        Keypad::default()\n    }\n\n    pub fn pressed(\u0026self, key: u8) -\u003e bool {\n        self.key_state(key)\n    }\n    pub fn released(\u0026self, key: u8) -\u003e bool {\n        !self.key_state(key)\n    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serde::{Deserialize, Serialize};\nuse std::fmt::Display;\nuse crate::constants::{LABEL_QUIRK_CHIP8, LABEL_QUIRK_SCHIP, LABEL_QUIRK_XOCHIP};\n\n#[derive(Default, Clone, Serialize, Deserialize, Copy, Debug, PartialEq)]\npub enum QuirkMode {\n    #[default]\n    Chip8,\n    XOChip,\n    SChipModern,\n}\n\nimpl Display for QuirkMode {\n    fn fmt(\u0026self, f: \u0026mut std::fmt::Formatter\u003c'_\u003e) -\u003e std::fmt::Result {\n        let variant = match \u0026self {\n            QuirkMode::Chip8 =\u003e LABEL_QUIRK_CHIP8.to_string(),\n            QuirkMode::XOChip =\u003e LABEL_QUIRK_XOCHIP.to_string(),\n            QuirkMode::SChipModern =\u003e LABEL_QUIRK_SCHIP.to_string(),\n        };\n        write!(f, \"{}\", variant)\n    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self.registers == other.registers \u0026\u0026 self.i_register == other.i_register\n    }\n}\n\nimpl Chip8Registers {\n    pub fn advance_pc(\u0026mut self) {\n        self.pc += 2;\n    }\n}\n\nimpl Default for Chip8Registers {\n    fn default() -\u003e Self {\n        Chip8Registers {\n            registers: [0x00; 16],\n            i_register: 0x00,\n            pc: 0x200,\n        }\n    }\n}\n\nimpl Chip8Registers {\n    pub fn reset(\u0026mut self) {\n        self.registers = [0x00; 16];\n        self.i_register = 0x00;\n        self.pc = 0x200;\n    }\n\n    pub fn poke_pc(\u0026mut self, new_pc: u16) {\n        self.pc = new_pc\n    }\n    pub fn peek_i(\u0026self) -\u003e u16 {\n        self.i_register\n    }\n\n    pub fn poke_i(\u0026mut self, new_value: u16) {\n        self.i_register = new_value;\n    }\n    pub fn peek(\u0026self, register_number: u8) -\u003e u8 {\n        self.registers[register_number as usize]\n    }\n\n    pub fn poke(\u0026mut self, register_number: u8, value: u8) {\n        if register_number \u003e 0xf {\n            panic!(\"INVALID REGISTER\");\n        }\n        self.registers[register_number as usize] = value;\n    }\n\n    pub fn peek_pc(\u0026self) -\u003e u16 {\n        self.pc\n    }\n\n    pub fn set_pc(\u0026mut self, new_pc: u16) {\n        self.pc = new_pc\n    }\n\n    pub fn format_as_string(\u0026self) -\u003e String {\n        format!(\"Vx: 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x}\\n    0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x}\\nI: 0x{:04x}\\tPC: 0x{:04x}\",\n                self.registers[0x0],\n                self.registers[0x1],\n                self.registers[0x2],\n                self.registers[0x3],\n                self.registers[0x4],\n                self.registers[0x5],\n                self.registers[0x6],\n                self.registers[0x7],\n                self.registers[0x8],\n                self.registers[0x9],\n                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}\n}\n","traces":[{"line":13,"address":[41420144],"length":1,"stats":{"Line":1}},{"line":14,"address":[813895],"length":1,"stats":{"Line":1}},{"line":19,"address":[41420256],"length":1,"stats":{"Line":2}},{"line":20,"address":[1765107,1765069],"length":1,"stats":{"Line":2}},{"line":25,"address":[41420336],"length":1,"stats":{"Line":7}},{"line":27,"address":[500878],"length":1,"stats":{"Line":7}},{"line":35,"address":[814144],"length":1,"stats":{"Line":4}},{"line":36,"address":[807694],"length":1,"stats":{"Line":4}},{"line":37,"address":[1608319],"length":1,"stats":{"Line":4}},{"line":38,"address":[2482197],"length":1,"stats":{"Line":4}},{"line":41,"address":[1015392],"length":1,"stats":{"Line":8}},{"line":42,"address":[1608349],"length":1,"stats":{"Line":8}},{"line":44,"address":[1327440],"length":1,"stats":{"Line":5}},{"line":45,"address":[799301],"length":1,"stats":{"Line":5}},{"line":48,"address":[1608384],"length":1,"stats":{"Line":5}},{"line":49,"address":[2482269],"length":1,"stats":{"Line":5}},{"line":51,"address":[814272],"length":1,"stats":{"Line":6}},{"line":52,"address":[1015530,1015493],"length":1,"stats":{"Line":5}},{"line":55,"address":[1608496],"length":1,"stats":{"Line":5}},{"line":56,"address":[2482403],"length":1,"stats":{"Line":6}},{"line":57,"address":[1015611],"length":1,"stats":{"Line":1}},{"line":59,"address":[1765467,1765557,1765544],"length":1,"stats":{"Line":14}},{"line":62,"address":[4030832],"length":1,"stats":{"Line":5}},{"line":63,"address":[1706917],"length":1,"stats":{"Line":5}},{"line":66,"address":[41420800],"length":1,"stats":{"Line":5}},{"line":67,"address":[1706941],"length":1,"stats":{"Line":5}},{"line":70,"address":[890496],"length":1,"stats":{"Line":1}},{"line":71,"address":[1327806],"length":1,"stats":{"Line":1}}],"covered":28,"coverable":28},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","sound_timer.rs"],"content":"use log::trace;\nuse serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub struct SoundTimer {\n    counter: i32,\n}\n\nimpl Default for SoundTimer {\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}\n\nimpl SoundTimer {\n    pub fn current(\u0026self) -\u003e i32 {\n        self.counter\n    }\n    pub fn new() -\u003e Self {\n        SoundTimer { counter: 0 }\n    }\n    pub fn set_timer(\u0026mut self, new_value: i32) {\n        trace!(\"SETTING SOUND TIMER TO {new_value}\");\n        self.counter = new_value\n    }\n\n    pub fn tick(\u0026mut self) {\n        trace!(\n            \"TICKING SOUND FROM {} to {}\",\n            self.counter,\n            self.counter - 1\n        );\n        if self.counter \u003e 0 {\n            self.counter -= 1;\n            /*\n            todo: this breaks tests.  maybe its wrong?\n            if let good_thread = thread::spawn(|| {\n                beep(440).expect(\"Unable to beep\");\n                thread::sleep(time::Duration::from_millis(500));\n            }).join().unwrap().\n             */\n        }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.counter = 0x00;\n    }\n}\n","traces":[{"line":10,"address":[4035264],"length":1,"stats":{"Line":1}},{"line":11,"address":[804017],"length":1,"stats":{"Line":1}},{"line":16,"address":[812496],"length":1,"stats":{"Line":1}},{"line":17,"address":[450773],"length":1,"stats":{"Line":1}},{"line":22,"address":[1711392],"length":1,"stats":{"Line":1}},{"line":23,"address":[1406196,1406119],"length":1,"stats":{"Line":2}},{"line":24,"address":[812586],"length":1,"stats":{"Line":1}},{"line":27,"address":[1770352],"length":1,"stats":{"Line":5}},{"line":28,"address":[812836,812914,812990],"length":1,"stats":{"Line":8}},{"line":33,"address":[1712105,1711736],"length":1,"stats":{"Line":6}},{"line":34,"address":[4036027,4036001],"length":1,"stats":{"Line":1}},{"line":45,"address":[813264],"length":1,"stats":{"Line":4}},{"line":46,"address":[895669],"length":1,"stats":{"Line":4}}],"covered":13,"coverable":13},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","stack.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Default, Serialize, Deserialize, Debug)]\npub struct Chip8Stack {\n    items: Vec\u003cu16\u003e,\n}\n\nimpl Chip8Stack {\n    pub fn push(\u0026mut self, new_value: \u0026u16) {\n        if self.depth() == 16 {\n            // println!(\"Deep deep stack?\");\n            panic!(\"Stack Overflow\");\n        }\n        self.items.push(*new_value);\n    }\n    pub fn pop(\u0026mut self) -\u003e u16 {\n        if self.items.is_empty() {\n            panic!(\"Stack Underflow\");\n        }\n        self.items.pop().unwrap()\n    }\n    pub fn depth(\u0026self) -\u003e u16 {\n        self.items.len() as u16\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8Stack { items: vec![] }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.items = vec![]\n    }\n}\n","traces":[{"line":9,"address":[557440],"length":1,"stats":{"Line":4}},{"line":10,"address":[894440],"length":1,"stats":{"Line":4}},{"line":12,"address":[41394580],"length":1,"stats":{"Line":1}},{"line":14,"address":[989115],"length":1,"stats":{"Line":4}},{"line":16,"address":[884800],"length":1,"stats":{"Line":4}},{"line":17,"address":[876222],"length":1,"stats":{"Line":4}},{"line":18,"address":[1742359],"length":1,"stats":{"Line":1}},{"line":20,"address":[884829],"length":1,"stats":{"Line":3}},{"line":22,"address":[864016],"length":1,"stats":{"Line":4}},{"line":23,"address":[1680933],"length":1,"stats":{"Line":4}},{"line":26,"address":[989296],"length":1,"stats":{"Line":3}},{"line":27,"address":[1680957],"length":1,"stats":{"Line":3}},{"line":30,"address":[864096,864159],"length":1,"stats":{"Line":4}},{"line":31,"address":[894765,894845],"length":1,"stats":{"Line":8}}],"covered":14,"coverable":14},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","system_memory.rs"],"content":"use log::trace;\n\nuse crate::constants::*;\nuse serde::Deserialize;\nuse serde::Serialize;\n\nuse super::quirk_modes::QuirkMode;\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8SystemMemory {\n    memory: Vec\u003cu8\u003e,\n}\n\nimpl PartialEq for Chip8SystemMemory {\n    fn eq(\u0026self, other: \u0026Self) -\u003e bool {\n        self.memory == other.memory\n    }\n}\n\nimpl Default for Chip8SystemMemory {\n    fn default() -\u003e Self {\n        let mut x = Chip8SystemMemory::new();\n\n        x.load_fonts_to_memory();\n        x.load_schip_fonts_to_memory();\n        x\n    }\n}\n\nimpl Chip8SystemMemory {\n    fn empty_memory() -\u003e Vec\u003cu8\u003e {\n        let mut working_memory = vec![];\n\n        for _ in 0..CHIP8_MEMORY_SIZE {\n            working_memory.push(0x00);\n        }\n        working_memory\n    }\n\n    pub fn reset(\u0026mut self, quirk_modes: QuirkMode) {\n        self.memory = Chip8SystemMemory::empty_memory();\n        match quirk_modes {\n            QuirkMode::Chip8 =\u003e {\n                self.load_fonts_to_memory();\n            }\n            QuirkMode::XOChip =\u003e {\n                println!(\"NO XO FONT LOADING DONE YET\");\n            }\n            QuirkMode::SChipModern =\u003e {\n                self.load_schip_fonts_to_memory();\n            }\n        }\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8SystemMemory {\n            memory: Chip8SystemMemory::empty_memory(),\n        }\n    }\n\n    pub fn peek(\u0026self, address: u16) -\u003e u8 {\n        trace!(\n            \"PEEK: {} / {}\",\n            address,\n            self.memory[address as usize].clone()\n        );\n        let effective = address as i32 % CHIP8_MEMORY_SIZE;\n        self.memory[effective as usize]\n    }\n\n    pub fn poke(\u0026mut self, address: u16, value: u8) {\n        trace!(\n            \"POKE: {} / {} to {}\",\n            address,\n            self.memory[address as usize],\n            value\n        );\n        self.memory[address as usize] = value;\n    }\n\n    pub fn load_program(\u0026mut self, program_to_load: Box\u003cVec\u003cu8\u003e\u003e) {\n        for load_index in 0..program_to_load.len() {\n            self.poke((load_index + 0x200) as u16, program_to_load[load_index]);\n        }\n    }\n\n    pub fn load_fonts_to_memory(\u0026mut self) {\n        let all_font_characters = [\n            CHIP8FONT_0,\n            CHIP8FONT_1,\n            CHIP8FONT_2,\n            CHIP8FONT_3,\n            CHIP8FONT_4,\n            CHIP8FONT_5,\n            CHIP8FONT_6,\n            CHIP8FONT_7,\n            CHIP8FONT_8,\n            CHIP8FONT_9,\n            CHIP8FONT_A,\n            CHIP8FONT_B,\n            CHIP8FONT_C,\n            CHIP8FONT_D,\n            CHIP8FONT_E,\n            CHIP8FONT_F,\n        ];\n\n        for (font_index, current_font) in all_font_characters.iter().enumerate() {\n            for font_mem_offset in 0..=4 {\n                let real_offset = font_index * 5 + font_mem_offset;\n                self.poke(real_offset as u16, current_font[font_mem_offset]);\n            }\n        }\n    }\n\n    pub fn load_schip_fonts_to_memory(\u0026mut self) {\n        let all_font_characters = [\n            SCHIPFONT_0,\n            SCHIPFONT_1,\n            SCHIPFONT_2,\n            SCHIPFONT_3,\n            SCHIPFONT_4,\n            SCHIPFONT_5,\n            SCHIPFONT_6,\n            SCHIPFONT_7,\n            SCHIPFONT_8,\n            SCHIPFONT_9,\n            SCHIPFONT_A,\n            SCHIPFONT_B,\n            SCHIPFONT_C,\n            SCHIPFONT_D,\n            SCHIPFONT_E,\n            SCHIPFONT_F,\n        ];\n        for (font_index, current_font) in all_font_characters.iter().enumerate() {\n            let base_offset = SCHIPFONT_OFFSET;\n            for font_mem_offset in 0..=9 {\n                let real_offset = base_offset + (font_index * 0x0a) as u32 + font_mem_offset;\n                self.poke(real_offset as u16, current_font[font_mem_offset as usize]);\n            }\n        }\n    }\n}\n","traces":[{"line":15,"address":[983728],"length":1,"stats":{"Line":1}},{"line":16,"address":[870814],"length":1,"stats":{"Line":1}},{"line":21,"address":[559520,559642],"length":1,"stats":{"Line":9}},{"line":22,"address":[1675486],"length":1,"stats":{"Line":12}},{"line":24,"address":[1736998],"length":1,"stats":{"Line":11}},{"line":25,"address":[1737041],"length":1,"stats":{"Line":6}},{"line":26,"address":[870939],"length":1,"stats":{"Line":6}},{"line":31,"address":[984141,983920],"length":1,"stats":{"Line":11}},{"line":32,"address":[1300814],"length":1,"stats":{"Line":12}},{"line":34,"address":[2557297,2557228],"length":1,"stats":{"Line":23}},{"line":35,"address":[4001282],"length":1,"stats":{"Line":11}},{"line":37,"address":[871155],"length":1,"stats":{"Line":12}},{"line":40,"address":[2557440,2557509],"length":1,"stats":{"Line":4}},{"line":41,"address":[41389898,41389972],"length":1,"stats":{"Line":8}},{"line":42,"address":[41389989],"length":1,"stats":{"Line":4}},{"line":44,"address":[1301194],"length":1,"stats":{"Line":3}},{"line":47,"address":[560049],"length":1,"stats":{"Line":1}},{"line":50,"address":[1583126],"length":1,"stats":{"Line":1}},{"line":55,"address":[4001552],"length":1,"stats":{"Line":11}},{"line":57,"address":[1737597],"length":1,"stats":{"Line":12}},{"line":61,"address":[1583216],"length":1,"stats":{"Line":5}},{"line":62,"address":[1737767,1737844,1737676],"length":1,"stats":{"Line":2}},{"line":67,"address":[1301387,1301772,1301731],"length":1,"stats":{"Line":10}},{"line":68,"address":[871938],"length":1,"stats":{"Line":5}},{"line":71,"address":[1301792],"length":1,"stats":{"Line":6}},{"line":72,"address":[984945,985115,985042],"length":1,"stats":{"Line":7}},{"line":78,"address":[890244],"length":1,"stats":{"Line":11}},{"line":81,"address":[890965,890624],"length":1,"stats":{"Line":1}},{"line":82,"address":[41391161,41391279,41391094],"length":1,"stats":{"Line":3}},{"line":83,"address":[890849],"length":1,"stats":{"Line":1}},{"line":87,"address":[561424],"length":1,"stats":{"Line":12}},{"line":88,"address":[41391460],"length":1,"stats":{"Line":11}},{"line":107,"address":[873161,873331],"length":1,"stats":{"Line":17}},{"line":108,"address":[1739501],"length":1,"stats":{"Line":6}},{"line":109,"address":[882001,882091],"length":1,"stats":{"Line":11}},{"line":110,"address":[1739747,1739791],"length":1,"stats":{"Line":17}},{"line":115,"address":[4003808],"length":1,"stats":{"Line":11}},{"line":116,"address":[873743],"length":1,"stats":{"Line":11}},{"line":134,"address":[1740318,1740488],"length":1,"stats":{"Line":17}},{"line":135,"address":[4003828],"length":1,"stats":{"Line":6}},{"line":136,"address":[41393042],"length":1,"stats":{"Line":6}},{"line":137,"address":[2560878,2560751],"length":1,"stats":{"Line":11}},{"line":138,"address":[883119,883170],"length":1,"stats":{"Line":17}}],"covered":43,"coverable":43},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","util.rs"],"content":"pub struct InstructionUtil {}\n\nimpl InstructionUtil {\n    /// Byte To Bools\n    /// Convert a u8 byte to an array of bool\n    pub fn byte_to_bools(to_convert: u8) -\u003e [bool; 8] {\n        let mut return_values = [false; 8];\n        for i in 0..8 {\n            let new_value = to_convert \u003e\u003e i \u0026 0x1 == 1;\n            return_values[i as usize] = new_value;\n        }\n        return_values\n    }\n\n    /// Byte To Bools\n    /// Convert an array of bool to a u8\n    pub fn bools_to_byte(to_convert: [bool; 8]) -\u003e u8 {\n        let mut return_value = 0u8;\n        for i in 0..to_convert.len() {\n            let new_bit = 0x1 \u003c\u003c i;\n            if to_convert[i] {\n                return_value |= new_bit\n            }\n        }\n        return_value\n    }\n\n    /// Split Bytes\n    /// Split a u16 into a pair of u8 values for high and low byte\n    pub fn split_bytes(to_split: u16) -\u003e (u8, u8) {\n        let high = to_split.rotate_left(8) as u8;\n        let low = (to_split \u0026 0xff) as u8;\n\n        (high, low)\n    }\n\n    /// Join Bytes\n    /// Joins 2 u8 into a single u16 with high and low\n    /// bytes provided\n    pub fn join_bytes(high: u8, low: u8) -\u003e u16 {\n        (high as u16) \u003c\u003c 8 | low as u16\n    }\n\n    /// Swap Endian\n    /// Swaps the endianess of a value\n    /// 0xabcd -\u003e 0xcdab\n    pub fn swap_endian(to_swap:u16) -\u003e u16 {\n        let low = to_swap \u0026 0xff;\n        let high = to_swap \u0026 0xff00;\n        low \u003c\u003c 8 | high \u003e\u003e 8\n    }\n\n    /// Split Bytes Swap Endian\n    /// Swaps endianness and return both bytes separately\n    pub fn split_bytes_swap_endian(to_split: u16) -\u003e (u8, u8) {\n        InstructionUtil::split_bytes(InstructionUtil::swap_endian(to_split))\n    }\n\n    /// Join Bytes Swap Endian\n    /// Swaps endianness and returns the combined bytes\n    pub fn join_bytes_swap_endian(high :u8, low: u8) -\u003e u16 {\n        InstructionUtil::swap_endian(InstructionUtil::join_bytes(high, low))\n    }\n\n    /// Read Address from Instruction\n    /// Reads the 'address' portion of an instruction\n    /// Returns the 12 LSB\n    /// 0xabcd -\u003e 0x0bcd\n    pub fn read_addr_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n        instruction_to_read_from \u0026 0x0FFF\n    }\n\n    /// Read Nibble from Instruction\n    /// Returns the lowest 4 bits of the instruction\n    /// 0xabcd -\u003e 0x0d\n    pub fn read_nibble_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n       ( instruction_to_read_from \u0026 0x000F )as u8\n    }\n\n    /// Read X From Instruction\n    /// Returns the 4 LSB of the high byte of the instruction\n    /// Returns bits 9-13\n    /// 0xabcd -\u003e 0x0b\n    pub fn read_x_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x0F00).rotate_right(8) as u8\n    }\n\n    /// Read Y from Instruction\n    /// Returns the 4 MSB from the low byte of the instruction\n    /// Returns bits 5-8\n    /// 0xabcd -\u003e 0x0c\n    pub fn read_y_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x00F0).rotate_right(4) as u8\n    }\n\n    /// Read Byte from Instruction\n    /// Returns the 8 LSB from the instruction\n    /// Returns bits 0-7\n    /// 0xabcd -\u003e 0xcd\n    pub fn read_byte_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x00FF) as u8\n    }\n\n    /// Alias for read_x_from_instruction\n    pub fn read_upper_byte_lower_nibble(to_read_from: u16) -\u003e u8 {\n        InstructionUtil::read_x_from_instruction(to_read_from)\n    }\n\n    pub fn read_bits_from_instruction(instruction_bytes: u16, first_bit: u8, last_bit: u8) -\u003e u16 {\n        // shift the value over by the 'first bit' bits\n        let working = instruction_bytes.rotate_right(first_bit as u32);\n        let mut working_mask: i32 = 0x00;\n        // build the mask\n        for _ in   first_bit..=last_bit {\n            working_mask = working_mask.rotate_left(1) | 0x01;\n        }\n\n        // apply the mask to the working value\n        working \u0026 working_mask as u16\n    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crate::chip8::video::Chip8VideoModes::{HighRes, LowRes};\nuse crate::constants::{\n    CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_MEMORY, CHIP8_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT,\n    SCHIP_VIDEO_WIDTH, SCHIP_VIDE_MEMORY,\n};\nuse log::debug;\nuse serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub enum Chip8VideoModes {\n    LowRes,\n    HighRes,\n}\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8Video {\n    memory: Vec\u003cbool\u003e,\n    pub has_frame_changed: bool,\n    current_res: Chip8VideoModes,\n}\n\nimpl Chip8Video {\n    pub fn reset(\u0026mut self) {\n        self.cls();\n        self.set_lowres();\n        self.start_frame();\n    }\n\n    pub fn is_highres(\u0026self) -\u003e bool {\n        matches!(self.current_res, HighRes)\n    }\n\n    pub fn set_highres(\u0026mut self) {\n        self.current_res = HighRes;\n        self.cls();\n    }\n\n    pub fn set_lowres(\u0026mut self) {\n        self.current_res = LowRes\n    }\n\n    pub fn get_screen_resolution(\u0026mut self) -\u003e Chip8VideoModes {\n        self.current_res\n    }\n\n    pub fn cls(\u0026mut self) {\n        self.memory.clear();\n        let num_loops = match self.current_res {\n            LowRes =\u003e CHIP8_VIDEO_MEMORY,\n            HighRes =\u003e SCHIP_VIDE_MEMORY,\n        };\n        for _ in 0..num_loops {\n            self.memory.push(false);\n        }\n    }\n\n    pub fn start_frame(\u0026mut self) {\n        self.has_frame_changed = false;\n    }\n\n    pub fn new(initial_configuration: Box\u003cVec\u003cbool\u003e\u003e) -\u003e Self {\n        Self {\n            memory: *initial_configuration,\n            has_frame_changed: false,\n            current_res: Chip8VideoModes::LowRes,\n        }\n    }\n\n    pub fn peek(\u0026self, address: u16) -\u003e bool {\n        let loop_value: u16 = if self.is_highres() {\n            SCHIP_VIDE_MEMORY as u16\n        } else {\n            CHIP8_VIDEO_MEMORY as u16\n        };\n        let effective_address = if address \u003e= loop_value {\n            address % loop_value\n        } else {\n            address\n        };\n        self.memory[effective_address as usize]\n    }\n\n    pub fn poke(\u0026mut self, address: u16, new_value: bool) {\n        let loop_value: u16 = self.get_memory_size() as u16;\n        // Loop the address\n        let effective_address = address % loop_value;\n\n        let old_value = self.memory[effective_address as usize];\n        let xored_value = new_value ^ old_value; // XOR of the video\n                                                 // if the frame has already changed we dont care if it changed again.\n        if !self.has_frame_changed \u0026\u0026 old_value != xored_value {\n            self.has_frame_changed = true\n        }\n\n        //     println!(\"VIDEO POKE COMPLETE WITH {effective_address} SET TO {xored_value}\");\n        self.memory[effective_address as usize] = xored_value;\n    }\n\n    pub fn poke_byte(\u0026mut self, first_address: u16, to_write: u8) {\n        for i in (0..8).rev() {\n            self.poke(first_address + (7 - i), (to_write \u0026 (1 \u003c\u003c i)) != 0);\n        }\n    }\n\n    pub fn poke_2byte(\u0026mut self, first_address: u16, to_write: [u8; 2]) {\n        for (idx, _) in to_write.iter().enumerate() {\n            for i in (0..8).rev() {\n                self.poke(\n                    first_address + (idx * 8) as u16 + (7 - i),\n                    (to_write[idx] \u0026 (1 \u003c\u003c i)) != 0,\n                );\n            }\n        }\n    }\n\n    pub fn format_as_string(\u0026self) -\u003e String {\n        let (width, height) = self.get_resolution();\n        // println!(\"FORMATTING {width}x{height}\");\n        let mut output = String::new();\n        for row in 0..height {\n            for column in 0..width {\n                let data_offset = row * width + column;\n                debug!(\n                    \"Rendering {data_offset} with value {}\",\n                    self.memory[data_offset as usize]\n                );\n                if self.memory[data_offset as usize] {\n                    output += \"*\"\n                } else {\n                    output += \" \"\n                }\n            }\n            output += \"\\n\";\n        }\n        output\n    }\n\n    pub fn get_resolution(\u0026self) -\u003e (i32, i32) {\n        if self.is_highres() {\n            (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT)\n        } else {\n            (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT)\n        }\n    }\n    fn get_memory_size(\u0026self) -\u003e i32 {\n        let (width, height) = self.get_resolution();\n        width * height\n    }\n\n    pub fn tick(\u0026mut self) {\n        self.has_frame_changed = false;\n    }\n\n    pub fn scroll_right(\u0026mut self) {\n        // println!(\"SCROLLRIGHTPRE:::[{}]\", self.format_as_string());\n        let (width, height) = self.get_resolution();\n\n        for current_row in 0..height {\n            let row_offset: usize = (current_row * width) as usize;\n\n            // Shift pixels to the right by 4 in the current row\n            for current_column in (0..(width - 4)).rev() {\n                let source_address = row_offset + current_column as usize;\n                let target_address = source_address + 4;\n                self.memory[target_address] = self.memory[source_address];\n            }\n\n            // Clear the first 4 pixels in the current row\n            self.memory[row_offset..row_offset + 4].fill(false);\n        }\n        // println!(\"SCROLLRIGHTPOST:::[{}]\", self.format_as_string());\n    }\n\n    pub fn scroll_left(\u0026mut self) {\n        // println!(\"SCROLLLEFTPRE:::[{}]\", self.format_as_string());\n        let (width, height) = self.get_resolution();\n\n        for current_row in 0..height {\n            let row_offset = current_row * width;\n            for current_column in 0..width - 4 {\n                let target: usize = (row_offset + current_column) as usize;\n                let source: usize = target + 4;\n                self.memory[target] = self.memory[source];\n                // println!(\"Moving from {source} to {target}\");\n            }\n\n            let clear_start: usize = (row_offset + width - 4) as usize;\n            let clear_end: usize = clear_start + 4;\n\n            self.memory[clear_start..clear_end].fill(false);\n        }\n        // println!(\"SCROLLLEFTPOST:::[{}]\", self.format_as_string());\n    }\n\n    pub fn scroll_up(\u0026mut self, how_far: \u0026u8) {\n        let how_far = *how_far as i32;\n        let (width, height) = self.get_resolution();\n        let row_shift = how_far * width;\n\n        for current_source_row in how_far..height {\n            let current_source_offset = current_source_row * width;\n            for current_source_column in 0..width {\n                let base_offset: usize = (current_source_offset + current_source_column) as usize;\n                let shifted_offset: usize = base_offset - row_shift as usize;\n                self.memory[shifted_offset] = self.memory[base_offset];\n            }\n        }\n\n        // Clear the new bottom rows after shifting\n        let clear_start = ((height - how_far) * width) as usize;\n        self.memory[clear_start..].fill(false);\n    }\n\n    pub fn scroll_down(\u0026mut self, how_far: i32) {\n        let (width, height) = self.get_resolution();\n        let row_shift = how_far * width;\n\n        let max_source_row = height - how_far;\n        for current_source_row in (0..max_source_row).rev() {\n            let current_source_offset = current_source_row * width;\n            for current_source_column in 0..width {\n                let base_offset: usize = (current_source_offset + current_source_column) as usize;\n                let extended_offset: usize = base_offset + row_shift as usize;\n                self.memory[extended_offset] = self.memory[base_offset];\n            }\n        }\n\n        // Clear the new top rows after shifting\n        let clear_end = (how_far * width) as usize;\n        self.memory[0..clear_end].fill(false);\n    }\n}\n\nimpl Default for Chip8Video {\n    fn default() -\u003e Self {\n        let mut mem = vec![];\n        for _ in 0..CHIP8_VIDEO_MEMORY {\n            mem.push(false);\n        }\n        Chip8Video {\n            memory: mem,\n            has_frame_changed: false,\n            current_res: LowRes,\n        }\n    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crate::chip8::instructions::Chip8CpuInstructions;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8_2::instructions::instruction_trait::InstructionTrait;\n\nstruct Add {\n    pub relative: bool,\n    pub source: Option\u003cChip8Registers\u003e,\n    pub destination: Chip8Registers,\n    pub literal: Option\u003cu8\u003e\n}\n\nimpl InstructionTrait for Add {\n    fn length(\u0026self) -\u003e u8 {\n        1\n    }\n\n    fn encoded(\u0026self) -\u003e Chip8CpuInstructions {\n    }\n\n    fn decode(from: Vec\u003cu8\u003e) -\u003e \u0026dyn InstructionTrait {\n\n        todo!()\n    }\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","call.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","cls.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","drw.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","exit.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","high.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","jp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","ld.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","low.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","ret.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","rnd.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scd.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scl.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scr.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","se.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sknp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","skp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sne.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sys.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","constants.rs"],"content":"pub const CHIP8_REGISTER_COUNT: i32 = 16;\npub const CHIP8_MEMORY_SIZE: i32 = 4096i32;\npub const CHIP8_VIDEO_WIDTH: i32 = 64i32;\npub const CHIP8_VIDEO_HEIGHT: i32 = 32i32;\npub const CHIP8_VIDEO_MEMORY: usize = (CHIP8_VIDEO_HEIGHT * CHIP8_VIDEO_WIDTH) as usize;\npub const CHIP8_ROM_SIZE: usize = 512;\n\npub const LABEL_QUIRK_CHIP8:  \u0026str = \"Chip8\";\npub const LABEL_QUIRK_XOCHIP: \u0026str = \"XO Chip\";\npub const LABEL_QUIRK_SCHIP: \u0026str = \"SChip-Modern\";\n\npub const RESOURCES_ROOT: \u0026str = \"../resources\";\npub const TESTS_ROOT: \u0026str = \"../resources/test/\";\npub const TEST_ROM_ROOT: \u0026str = \"../resources/test/roms\";\n\npub const CHIP8_KEYBOARD: [[u8; 4]; 4] = [\n    [0x01, 0x02, 0x03, 0x0C],\n    [0x04, 0x05, 0x06, 0x0D],\n    [0x07, 0x08, 0x09, 0x0E],\n    [0x0A, 0x00, 0x0B, 0x0F],\n];\n\npub const SCHIP_VIDEO_HEIGHT: i32 = 64;\npub const SCHIP_VIDEO_WIDTH: i32 = 128;\npub const SCHIP_VIDE_MEMORY: usize = (SCHIP_VIDEO_HEIGHT * SCHIP_VIDEO_WIDTH) as usize;\n\npub const INST_ADDI: \u0026str = \"ADDI\";\npub const INST_ADD: \u0026str = \"ADD\";\npub const INST_ADDR: \u0026str = \"ADDR\";\npub const INST_AND: \u0026str = \"AND\";\npub const INST_CLS: \u0026str = \"CLS\";\npub const INST_CALL: \u0026str = \"CALL\";\npub const INST_DRW: \u0026str = \"DRW\";\npub const INST_EXIT: \u0026str = \"EXIT\";\npub const INST_JPA: \u0026str = \"JPA\";\npub const INST_JPI: \u0026str = \"JPI\";\npub const INST_JPX: \u0026str = \"JPX\";\npub const INST_BCD: \u0026str = \"BCD\";\npub const INST_LDD: \u0026str = \"LDD\";\npub const INST_LDF: \u0026str = \"LDF\";\npub const INST_LDF2: \u0026str = \"LDF2\";\npub const INST_LDIA: \u0026str = \"LDIA\";\npub const INST_LDIX: \u0026str = \"LDIX\";\npub const INST_LIDR: \u0026str = \"LIDR\";\npub const INST_LDIS: \u0026str = \"LDIS\";\npub const INST_LDR: \u0026str = \"LDR\";\npub const INST_LDRD: \u0026str = \"LDRD\";\npub const INST_LDRI: \u0026str = \"LDRI\";\npub const INST_LDRK: \u0026str = \"LDRK\";\npub const INST_LDRY: \u0026str = \"LDRY\";\npub const INST_OR: \u0026str = \"OR\";\npub const INST_RET: \u0026str = \"RET\";\npub const INST_RND: \u0026str = \"RND\";\npub const INST_SCD: \u0026str = \"SCD\";\npub const INST_SCR: \u0026str = \"SCR\";\npub const INST_SCL: \u0026str = \"SCL\";\npub const INST_SEX: \u0026str = \"SEX\";\npub const INST_SEY: \u0026str = \"SEY\";\npub const INST_SHL: \u0026str = \"SHL\";\npub const INST_SHR: \u0026str = \"SHR\";\npub const INST_SKP: \u0026str = \"SKP\";\npub const INST_SKNP: \u0026str = \"SKNP\";\npub const INST_SNEB: \u0026str = \"SNEB\";\npub const INST_SNEY: \u0026str = \"SNEY\";\npub const INST_STR: \u0026str = \"STR\";\npub const INST_SUB: \u0026str = \"SUB\";\npub const INST_SUBC: \u0026str = \"SUBC\";\npub const INST_SYS: \u0026str = \"SYS\";\npub const INST_LOW: \u0026str = \"LOW\";\npub const INST_HIGH: \u0026str = \"HIGH\";\npub const INST_ORY: \u0026str = \"ORY\";\npub const INST_SCU: \u0026str = \"SCU\";\n/// Data Word\n/// Data to be loaded to memory for application use\npub const INST_DW: \u0026str = \"DW\";\n\npub const XXXXERRORINSTRUCTION_ENCODED: u16 = 0x0000;\n\npub const CHIP8_PROGRAM_LOAD_OFFSET: i32 = 0x200;\npub const CHIP8FONT_0: [u8; 5] = [0xF0, 0x90, 0x90, 0x90, 0xF0];\npub const CHIP8FONT_1: [u8; 5] = [0x20, 0x60, 0x20, 0x20, 0x70];\npub const CHIP8FONT_2: [u8; 5] = [0xF0, 0x10, 0xF0, 0x80, 0xF0];\npub const CHIP8FONT_3: [u8; 5] = [0xF0, 0x10, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_4: [u8; 5] = [0x90, 0x90, 0xF0, 0x10, 0x10];\npub const CHIP8FONT_5: [u8; 5] = [0xF0, 0x80, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_6: [u8; 5] = [0xF0, 0x80, 0xF0, 0x90, 0xF0];\npub const CHIP8FONT_7: [u8; 5] = [0xF0, 0x10, 0x20, 0x40, 0x40];\npub const CHIP8FONT_8: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0xF0];\npub const CHIP8FONT_9: [u8; 5] = [0xF0, 0x90, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_A: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0x90];\npub const CHIP8FONT_B: [u8; 5] = [0xE0, 0x90, 0xE0, 0x90, 0xE0];\npub const CHIP8FONT_C: [u8; 5] = [0xF0, 0x80, 0x80, 0x80, 0xF0];\npub const CHIP8FONT_D: [u8; 5] = [0xE0, 0x90, 0x90, 0x90, 0xE0];\npub const CHIP8FONT_E: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0xF0];\npub const CHIP8FONT_F: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0x80];\n\npub const SCHIPFONT_OFFSET: u32 = 0x81;\npub const SCHIPFONT_0: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_1: [u8; 0x0A] = [0x20, 0x60, 0xA0, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x70];\npub const SCHIPFONT_2: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0xF0, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_3: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_4: [u8; 0x0A] = [0x90, 0x90, 0x90, 0x90, 0xF0, 0x10, 0x10, 0x10, 0x10, 0x10];\npub const SCHIPFONT_5: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_6: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_7: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10];\npub const SCHIPFONT_8: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_9: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_A: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x90, 0x90, 0x90, 0x90, 0x90];\npub const SCHIPFONT_B: [u8; 0x0A] = [0xE0, 0x90, 0x90, 0x90, 0xE0, 0x90, 0x90, 0x90, 0x90, 0xE0];\npub const SCHIPFONT_C: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_D: [u8; 0x0A] = [0xE0, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xE0];\npub const SCHIPFONT_E: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_F: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x80, 0x80, 0x80, 0x80, 0x80];\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","lib.rs"],"content":"pub mod chip8 {\n    pub mod video;\n    pub mod sound_timer;\n    pub mod delay_timer;\n    pub mod keypad;\n    pub mod computer;\n    pub mod system_memory;\n    pub mod instructions;\n    pub mod cpu_states;\n    pub mod util;\n    pub mod registers;\n\n    pub mod stack;\n    pub  mod computer_manager;\n    pub mod quirk_modes;\n}\n\npub mod constants;","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","computer_tests.rs"],"content":"use std::path::Path;\nuse std::time::Instant;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::chip8::registers::Chip8Registers;\nuse gemma::constants::{CHIP8_VIDEO_MEMORY, TESTS_ROOT};\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\nfn load_result(to_load: \u0026str) -\u003e String {\n    std::fs::read_to_string(format!(\"../resources/test/{}\", to_load)).unwrap()\n}\n\nfn load_rom(to_load: \u0026str) -\u003e Vec\u003cu8\u003e {\n    std::fs::read(format!(\"../resources/roms/{}\", to_load)).unwrap()\n}\n\n#[test]\nfn reset_clears_video() {\n    let mut x = Chip8Computer::new();\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        x.video_memory.poke(i as u16, i % 2 == 0);\n    }\n\n    x.reset(gemma::chip8::quirk_modes::QuirkMode::Chip8);\n    x.video_memory.reset();\n\n    assert_eq!(x.dump_video_to_string(), x.video_memory.format_as_string());\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n}\n\n#[test]\nfn level1_test() {\n    let mut x = Chip8Computer::new();\n    let level_1_rom = load_rom(\"1-chip8-logo.ch8\");\n    x.load_bytes_to_memory(0x200, \u0026level_1_rom);\n\n    // run for 0x40 cycles\n    while x.num_cycles \u003c 0x40 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_level_1_test.asc\")\n    );\n}\n\n#[test]\nfn level2_test() {\n    let mut x = Chip8Computer::new();\n    // Load the IBM rom and run it.\n    // it takes 39 cycles to get to the end so lets run it 40.\n    let test_rom_to_run = load_rom(\"2-ibm-logo.ch8\");\n    x.load_bytes_to_memory(0x200, \u0026test_rom_to_run);\n    for _ in 0..40 {\n        x.step_system();\n    }\n    // ...then verify that the current video memory of the chip-8\n    // simulator matches what we expect it to be\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_ibm_rom_output.asc\")\n    );\n}\n\n#[test]\nfn level3_test() {\n    let mut x = Chip8Computer::new();\n\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"3-corax+.ch8\"));\n    for i in 0..0x180 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_corax_plus.asc\")\n    );\n}\n\n#[test]\nfn rps_test() {\n    let mut x = Chip8Computer::new();\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"RPS.ch8\"));\n    for _ in 0..0xF0 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_rps_stage1.asc\")\n    );\n    x.keypad.push_key(0x01);\n    for _ in 0..0x200 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_rps_stage2.asc\")\n    );\n}\n\n#[test]\nfn level4_test() {\n    // flags\n    let mut x = Chip8Computer::new();\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"4-flags.ch8\"));\n    for _ in 0..0x400 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_flags.asc\")\n    );\n}\n\n#[test]\nfn registers_equality() {\n    let data_set: Vec\u003c(Chip8Registers, Chip8Registers, bool)\u003e = vec![\n        (Chip8Registers::default(), Chip8Registers::default(), true),\n            (Chip8Registers {\n                registers: [0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,],\n                i_register: 0,\n                pc: 0,\n            },\n             Chip8Registers {\n                 registers:[0x01, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,],\n                 i_register: 0,\n                 pc: 0,\n             }, false)\n    ];\n\n    for (first, second, matches) in data_set.iter() {\n        assert_eq!(first == second, *matches)\n    }\n}\n\n#[test]\nfn default_test() {\n    let new_manager = Chip8ComputerManager::default();\n\n    assert_eq!(new_manager.core_should_run, false);\n    assert_eq!(new_manager.num_cycles(), 0);\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n}\n\n#[test]\nfn quirks_mode_test() {\n    let mut new_manager = Chip8ComputerManager::default();\n\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n\n    new_manager.reset(QuirkMode::XOChip);\n\n    assert_eq!(new_manager.quirks_mode(), XOChip);\n\n    new_manager.reset(QuirkMode::SChipModern);\n\n    assert_eq!(new_manager.quirks_mode(), SChipModern);\n\n    new_manager.reset(Chip8);\n\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n}\n\n#[test]\nfn load_rom_allows_starting() {\n    let mut new_manager = Chip8ComputerManager::default();\n    assert_eq!(new_manager.core_should_run, false);\n    let p = format!(\"{}/../resources/test/roms/1-chip8-logo.ch8\" , std::env::current_dir().unwrap().display());\n    let full_path =  Path::new(p.as_str());\n    new_manager.load_new_program_from_disk_to_system_memory(full_path);\n    assert_eq!(new_manager.core_should_run, true)\n}\n\n#[test]\nfn reset_clears_run_state() {\n    let mut new_manager = Chip8ComputerManager::default();\n    let p = format!(\"{}/../resources/test/roms/1-chip8-logo.ch8\", std::env::current_dir().unwrap().display());\n    new_manager.load_new_program_from_disk_to_system_memory(Path::new(p.as_str()));\n    new_manager.reset(QuirkMode::Chip8);\n    assert_eq!(new_manager.core_should_run, false);\n}\n","traces":[{"line":15,"address":[462224],"length":1,"stats":{"Line":1}},{"line":16,"address":[462251,462373],"length":1,"stats":{"Line":2}},{"line":19,"address":[462592],"length":1,"stats":{"Line":4}},{"line":20,"address":[462619,462741],"length":1,"stats":{"Line":8}}],"covered":4,"coverable":4},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","state_tests.rs"],"content":"use std::fs;\nuse std::io;\nuse flate2::write::GzDecoder;\nuse gemma::chip8::computer::Chip8Computer;\nuse std::io::prelude::*;\n\nfn load_result(to_load: \u0026str) -\u003e String {\n    let full_path = format!(\"{}/../resources/test/state/{}\", std::env::current_dir().unwrap().display(), to_load);\n    println!(\"CURRENT DIR: {:?}\", std::env::current_dir());\n    println!(\"Loading state =\u003e (([{}]))\", full_path);\n    std::fs::read_to_string(full_path).unwrap()\n}\n\n// fn load_compressed_result(file_path: \u0026str) -\u003e io::Result\u003cString\u003e {\n//     // Load the compressed file contents\n//     let compressed_data = fs::read(file_path)?;\n//\n//     // Create a GzDecoder to uncompress the data\n//     let mut decoder = GzDecoder::new(\u0026mut compressed_data[..]);\n//     let mut decompressed_data = String::new();\n//\n//     // Read the decompressed data directly into a String\n//     decoder.read_to_string(\u0026mut decompressed_data)?;\n//\n//     Ok(decompressed_data)\n// }\n\nfn load_rom(to_load: \u0026str) -\u003e Vec\u003cu8\u003e {\n    fs::read(format!(\"resources/test/roms/{}\", to_load)).unwrap()\n}\n\n#[test]\n#[ignore]\nfn serialization_round_trip() {\n    let original_computer = Chip8Computer::new();\n    let expected_json = load_result(\"smoke_001_round_trip_serialize_deserialize.json\");\n\n    // Serialize the Chip8Computer instance\n    let serialized = serde_json::to_string(\u0026original_computer).expect(\"Serialization failed\");\n\n    // Compare the serialized output to the expected JSON\n    println!(\"Serialized Output: [{}]\", serialized);\n    assert_eq!(\n        serialized.trim(),\n        expected_json.trim(),\n        \"Serialized output does not match expected JSON\"\n    );\n\n    // Deserialize back to Chip8Computer and assert equality\n    let deserialized_computer: Chip8Computer =\n        serde_json::from_str(\u0026serialized).expect(\"Deserialization failed\");\n     assert_eq!(\n         deserialized_computer, original_computer,\n         \"Deserialized instance does not match the original\"\n     );\n}\n//\n// #[test]\n// fn computer_001_system_zero_state() {\n//     let x = Chip8Computer::new();\n//     let expected_string = load_compressed_result(\"smoke_002_round_trip_serialize_deserialize.tflt\").unwrap();\n//     let serialized = serde_json::to_string(\u0026x).unwrap();\n//     assert_eq!(serialized, expected_string);\n// }\n//\n","traces":[{"line":7,"address":[700144,701386],"length":1,"stats":{"Line":0}},{"line":8,"address":[700764,700401,700171],"length":1,"stats":{"Line":0}},{"line":9,"address":[700772,700868],"length":1,"stats":{"Line":0}},{"line":10,"address":[700996],"length":1,"stats":{"Line":0}},{"line":11,"address":[701089],"length":1,"stats":{"Line":0}},{"line":28,"address":[701440],"length":1,"stats":{"Line":0}},{"line":29,"address":[701467,701589],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":7},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","unit_tests.rs"],"content":"use std::fs::File;\nuse std::io::Read;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::cpu_states::Chip8CpuStates::WaitingForInstruction;\nuse gemma::chip8::delay_timer::DelayTimer;\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::JPX;\nuse gemma::chip8::keypad::Keypad;\nuse gemma::chip8::quirk_modes::QuirkMode::{self, Chip8, SChipModern, XOChip};\nuse gemma::chip8::registers::Chip8Registers;\nuse gemma::chip8::sound_timer::SoundTimer;\nuse gemma::chip8::stack::Chip8Stack;\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::chip8::util::InstructionUtil;\nuse gemma::chip8::video::{Chip8Video, Chip8VideoModes};\nuse gemma::constants::*;\nuse log::debug;\nuse rand::random;\nuse serde::Serialize;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\n\nconst TEST_OUTPUT_SAMPLE_DIR: \u0026str = \"../resources/test/\";\n\nfn read_test_result(suffix: \u0026str) -\u003e String {\n    println!(\"SITTING IN {:?}\", std::env::current_dir());\n    println!(\"ATTEMPT TO READ RESULT {suffix}\");\n    std::fs::read_to_string(TEST_OUTPUT_SAMPLE_DIR.to_owned() + suffix).unwrap()\n}\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\n#[ignore]\nfn decoder_test_invalid_instructions() {\n    let invalid_to_encode = [\n        0x5ab1, 0x5abf, 0x8ab8, 0x8abd, 0x8abf, 0x9ab1, 0x9abf, 0xea9d, 0xea9f, 0xeaa0, 0xeaa2,\n        0xf006, 0xf008,\n    ];\n\n    for i in invalid_to_encode {\n        assert_eq!(Chip8CpuInstructions::decode(i, \u0026Chip8).encode(), XXXXERRORINSTRUCTION_ENCODED);\n        assert!(matches!(\n            Chip8CpuInstructions::decode(i, \u0026Chip8),\n            Chip8CpuInstructions::XXXXERRORINSTRUCTION\n        ));\n    }\n}\n\n/// START OF THE EXECUTION TESTS\n#[test]\nfn instruction_tests() {\n    // 0x0nnn Exit to System Call\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0xFA0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0xFA0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0x0AF).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x0AF);\n\n    // 0x1nnn Jump to Address\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::JPA(0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::JPA(0xABC).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0xABC);\n\n    // 0x6xkk Set Vx = kk\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDR(1, 0x12).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0x12);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDR(2, 0x21).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(2), 0x21);\n\n    // 0x3xkk Skip next instruction if Vx = kk.\n    // The interpreter compares register Vx to kk,\n    // and if they are equal, increments the program counter by 2.\n\n    // test setup: Load value 0x84 into V1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x84);\n    Chip8CpuInstructions::SEX(1, 0x48).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x84);\n    Chip8CpuInstructions::SEX(1, 0x84).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    // 0x4xkk Skip next instruction if Vx != kk\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x84);\n    x.registers.poke(0x2, 0x84);\n    // skip, compare 0x84 to 0x84\n    Chip8CpuInstructions::SEY(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x84);\n    x.registers.poke(0x2, 0x48);\n    Chip8CpuInstructions::SEY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    // 0x8xy0 Set value of Vy in Vx\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::LDRY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0x02);\n\n    // 0x8xy1 Set Vx = Vx OR Vy\n    //   0b0101 0000 (0x50)\n    // | 0b0000 1010 (0x0A)\n    //   0b0101 1010 (0x5A)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0b01010000);\n    x.registers.poke(0x02, 0b00001010);\n    Chip8CpuInstructions::OR(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b01011010);\n\n    // 0x8xy2 Set Vx = Vx AND Vy\n    //   0b1111 1100 (0xFC)\n    // \u0026 0b1100 1010 (0xCA)\n    //   0b1100 1000 (0xC8)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xFC);\n    x.registers.poke(0x02, 0xCA);\n    Chip8CpuInstructions::AND(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0xC8);\n\n    // 0x8xy3 Set Vx = Vx XOR Vy\n    //   0b1111 1100 (0xFC)\n    // ^ 0b1100 1010 (0xCA)\n    //   0b0011 0110 (0x36)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0b11111100);\n    x.registers.poke(0x02, 0b11001010);\n    Chip8CpuInstructions::ORY(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b00110110);\n\n    // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n    //    T1             T2: Judgement Test\n    //   0x01           0xFF\n    // + 0x01           0x01\n    //   0x02 F0        0x00 F1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 00);\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 0x00);\n    assert_eq!(x.registers.peek(0x01), 0x02);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0xff);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 1);\n    assert_eq!(x.registers.peek(1), 0);\n\n    /*\n    Set Vx = Vx SHR 1.\n\n    If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx is divided by 2.\n    */\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0b00001000);\n    x.registers.poke(0x02, 0b00000000);\n    Chip8CpuInstructions::SHR(0x1, 0x2).execute(\u0026mut x); // 0b0000 0010 (0x02) (Not Set)\n    assert_eq!(x.registers.peek(1), 0b00000100);\n    assert_eq!(x.registers.peek(0xf), 0);\n\n    x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0b00001001);\n    Chip8CpuInstructions::SHR(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b00000100);\n    assert_eq!(x.registers.peek(0xf), 1);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDIA(0x123).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0x123);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn jp_v0addr_test() {\n    let mut x = Chip8Computer::new();\n    /// jump to I + nnn\n    x.registers.poke(0x0, 0xff);\n    Chip8CpuInstructions::JPI(0x100).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x1FF);\n}\n\n#[test]\nfn cls_test() {\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::CLS.execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n    // draw some thing to the video memory\n    x.video_memory.poke(0x01, true);\n    x.video_memory.poke(0x03, true);\n    x.video_memory.poke(0x05, true);\n\n    Chip8CpuInstructions::CLS.execute(\u0026mut x);\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n}\n\n#[test]\nfn skip_next_instruction_ne_text() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::SNEB(0x1, 0x0f).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::SNEB(0x1, 0xf0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn addivx_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke_i(0xabc);\n    x.registers.poke(0x0, 0x10);\n    Chip8CpuInstructions::ADDI(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0xacc);\n}\n\n#[test]\nfn ldstvt_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::LDIS(0x01).execute(\u0026mut x);\n    assert_eq!(x.sound_timer.current(), 0xf0);\n    x.sound_timer.tick();\n    x.sound_timer.tick();\n    x.sound_timer.tick();\n    assert_eq!(x.sound_timer.current(), 0xed);\n}\n\n#[test]\nfn rnd_vx_byte_text() {\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::RND(0x1, 0x0f).execute(\u0026mut x);\n    let new_value = x.registers.peek(0x1);\n    assert!(new_value \u003c 0x10);\n}\n\n#[test]\nfn add_vx_byte_test() {\n    let mut x = Chip8Computer::new();\n    // set a value in the register\n    x.registers.poke(0x01, 0xab);\n    // add 0x10 to register\n    Chip8CpuInstructions::ADD(0x1, 0x10).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0xbb);\n}\n\n#[test]\nfn sub_vx_vy_test() {\n    let mut x = Chip8Computer::new();\n    // load values in 2 registers\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x08);\n    Chip8CpuInstructions::SUB(0x1, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 1);\n    assert_eq!(x.registers.peek(0x1), 0x8);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn sne_vx_vy_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x10);\n    Chip8CpuInstructions::SNEY(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x00);\n    Chip8CpuInstructions::SNEY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204)\n}\n\n#[test]\nfn ld_dt_vx_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    Chip8CpuInstructions::LDD(0x1).execute(\u0026mut x);\n    assert_eq!(x.delay_timer.current(), 0x10);\n    for _ in 0..0x20 {\n        x.delay_timer.tick();\n    }\n    assert_eq!(x.delay_timer.current(), 0);\n}\n\n#[test]\nfn ld_vx_dt_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::LDD(0x1).execute(\u0026mut x);\n    x.delay_timer.tick();\n    x.delay_timer.tick();\n    x.delay_timer.tick();\n    assert_eq!(x.delay_timer.current(), 0xed);\n}\n\n#[test]\nfn subn_vx_vy_test() {\n    // This instruction subtracts the value in\n    // register Vx from the value in register Vy and stores the result in register Vx.\n    // The subtraction is performed as follows: Vx = Vy - Vx. If Vy is less than Vx,\n    // the result will wrap around (due to the 8-bit nature of the registers).\n    // The carry flag (VF) is set to 1 if there is no borrow (i.e., Vy is greater\n    // than or equal to Vx), and it is set to 0 if there is a borrow.\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xa0);\n    x.registers.poke(0x2, 0xab);\n    Chip8CpuInstructions::SUBC(0x1, 0x2).execute(\u0026mut x);\n    // expect the result to be 0x0b\n    assert_eq!(x.registers.peek(0x1), 0x0b);\n    // expect the vf register to be set to 1 as there was overflow\n    assert_eq!(x.registers.peek(0xf), 0x1);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xab);\n    x.registers.poke(0x02, 0xa0);\n    Chip8CpuInstructions::SUBC(0x1, 0x2).execute(\u0026mut x);\n\n    // expect the result to be 11110101, -0xB, -11, 245, 0xF5\n    assert_eq!(x.registers.peek(0x1), 0xf5);\n    assert_eq!(x.registers.peek(0xf), 0x0);\n\n    // 8xyE - SHL Vx {, Vy}\n    // Set Vx = Vx SHL 1.\n    //\n    // If the most-significant bit of Vx is 1, then VF is set to 1, otherwise to 0. Then Vx is multiplied by 2.\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0b00100000);\n    Chip8CpuInstructions::SHL(0x1, 0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x1), 0b01000000);\n    assert_eq!(x.registers.peek(0xf), 0x0);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0b10101010);\n    Chip8CpuInstructions::SHL(0x1, 0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x1), 0b01010100);\n    assert_eq!(x.registers.peek(0xf), 0x1);\n\n    // Fx29 - LD F, Vx\n    // Set I = location of sprite for digit Vx.\n    //\n    // The value of I is set to the location for the hexadecimal sprite corresponding to the value of Vx. See section 2.4, Display, for more information on the Chip-8 hexadecimal font.\n    let mut x = Chip8Computer::new();\n    // target_sprite = 2\n    // target_offset = 0x5\n    x.registers.poke(0x1, 0x2);\n    Chip8CpuInstructions::LDFX(0x1).execute(\u0026mut x);\n\n    assert_eq!(x.registers.peek_i(), 10);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x06);\n    Chip8CpuInstructions::LDFX(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 30);\n\n    // Fx33 - LD B, Vx\n    // Store BCD representation of Vx in memory locations I, I+1, and I+2.\n    //\n    // The interpreter takes the decimal value of Vx, and places the hundreds digit\n    // in memory at location in I, the tens digit at location I+1,\n    // and the ones digit at location I+2.\n    let mut x = Chip8Computer::new();\n\n    // load the value 123 (0x7b)\n    x.registers.poke(0x1, 0x7b);\n    x.registers.poke_i(0x500);\n    Chip8CpuInstructions::BCD(0x1).execute(\u0026mut x);\n    assert_eq!(x.memory.peek(0x500), 0x1);\n    assert_eq!(x.memory.peek(0x501), 0x2);\n    assert_eq!(x.memory.peek(0x502), 0x3);\n\n    // Store registers V0 through Vx in memory starting at location I.\n    //\n    // The interpreter copies the values of registers V0 through Vx into memory,\n    // starting at the address in I.\n    let mut x = Chip8Computer::new();\n\n    // Load Registers.\n    let to_load = [0xab, 0xba, 0xca, 0xca, 0xbe, 0xef];\n    for (idx, val) in to_load.iter().enumerate() {\n        x.registers.poke(idx as u8, *val);\n    }\n    x.registers.poke_i(0x500);\n\n    Chip8CpuInstructions::LDIX(to_load.len() as u8).execute(\u0026mut x);\n\n    // Verify the values are in memory from 0x500 to 0x507\n    for (idx, value) in to_load.iter().enumerate() {\n        assert_eq!(x.memory.peek(0x500 + idx as u16), *value);\n    }\n\n    // Read registers V0 through Vx from memory starting at location I.\n    //\n    // The interpreter reads values from memory starting at location I into registers V0 through Vx.\n\n    let mut x = Chip8Computer::new();\n\n    let base_offset = 0x500;\n    let to_load = [0xab, 0xba, 0xca, 0xca, 0xbe, 0xef];\n\n    // start by setting values in memory\n    for (idx, memory) in to_load.iter().enumerate() {\n        let target_address = base_offset + idx;\n        let target_value = *memory;\n        x.memory.poke(target_address as u16, target_value);\n    }\n    // where to load from\n    x.registers.poke_i(0x500);\n    // how much to load\n    x.registers.poke(0x6, to_load.len() as u8);\n\n    // then copying them values memory to registers\n    Chip8CpuInstructions::LDRI(0x6).execute(\u0026mut x);\n\n    // now check that we have the right values in our registers\n    for (idx, value) in to_load.iter().enumerate() {\n        assert_eq!(x.registers.peek(idx as u8), *value);\n    }\n\n    // ExA1 - SKNP Vx\n    // Skip next instruction if key with the value of Vx is not pressed.\n    //\n    // Checks the keyboard,\n    // and if the key corresponding to the value of Vx is currently in the up position,\n    // PC is increased by 2.\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x5);\n    x.registers.poke(0x1, 0x5);\n    Chip8CpuInstructions::SKNP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n    x.keypad.release_key(0x5);\n    Chip8CpuInstructions::SKNP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x206);\n\n    // Ex9E - SKP Vx\n    // Skip next instruction if key with the value of Vx is pressed.\n    //\n    // Checks the keyboard, and if the key corresponding to the value of Vx is currently in the down position, PC is increased by 2.\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x5);\n    x.registers.poke(0x1, 0x5);\n    Chip8CpuInstructions::SKP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    x.keypad.release_key(0x5);\n    Chip8CpuInstructions::SKP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x206);\n}\n\nfn draw_nibble_vx_vy_n_test_hd() {\n    let mut x = Chip8Computer::new();\n\n    let x_register = 0x01;\n    let x_offset = 0x03;\n    let y_register = 0x02;\n    let y_offset = 0x04;\n    let char_offset = 0x100;\n    x.registers.poke(x_register, x_offset);\n    x.registers.poke(y_register, y_offset);\n    x.video_memory.set_highres();\n    x.registers.poke_i(char_offset);\n    Chip8CpuInstructions::DRW(x_register, y_register, 0).execute(\u0026mut x);\n\n    println!(\"[[{}]]\", x.video_memory.format_as_string());\n\n    assert_eq!(read_test_result(\"\"), x.video_memory.format_as_string());\n}\n\n#[test]\nfn draw_nibble_vx_vy_n_test_sd() {\n    let mut x = Chip8Computer::new();\n    let x_register = 0x1;\n    let y_register = 0x2;\n    let x_offset = 1;\n    let y_offset = 2;\n    let char_offset = 0x0A;\n\n    // now lets set the X and Y to 1,2\n    x.registers.poke(x_register, x_offset);\n    x.registers.poke(y_register, y_offset);\n    x.registers.poke_i(char_offset);\n    // we are using 5 rows.\n    Chip8CpuInstructions::DRW(x_register, y_register, 5).execute(\u0026mut x);\n\n    // now check that video memory has the values at\n    // 1,2-\u003e1,9\n    // 2,2-\u003e2,9\n    // 3,2-\u003e3,9\n    // 4,2-\u003e4,9\n    // 5,2-\u003e5,9\n    //  let byte_to_check = CHIP8FONT_0[0];\n    for row_in_sprite in 0..5 {\n        let row_data = CHIP8FONT_2[row_in_sprite];\n        for bit_in_byte in 0..8 {\n            let data_offset =\n                (x_offset as u16 + row_in_sprite as u16) * 64 + (bit_in_byte + y_offset) as u16;\n            let real_bit_in_byte = 7 - bit_in_byte;\n            let shifted_one = 0x01 \u003c\u003c real_bit_in_byte;\n            let one_shift_set = (shifted_one \u0026 row_data) \u003e 0;\n            debug!(\"ROWDATA = \\t\\t[{row_data:08b}]\\tBIT IN BYTE = \\t[{bit_in_byte}]\\tONE_SHIFT_SET = [{one_shift_set}]\\tSHIFTED ONE = [{shifted_one:08b}]\");\n            debug!(\"DATA_OFFSET FOR SOURCE DATA {}x{} is {} / offset by {}x{} and should be {} working with byte {:08b}\",\n                         bit_in_byte, row_in_sprite, data_offset, x_offset, y_offset, one_shift_set, row_data);\n        }\n    }\n}\n\n#[test]\nfn sub_test() {\n    // 2nnn\n    // Call a subroutine at 2nnn\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::CALL(0x124).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x124);\n    assert_eq!(x.stack.depth(), 1);\n    Chip8CpuInstructions::CALL(0x564).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x564);\n    assert_eq!(x.stack.depth(), 2);\n\n    // SETUP\n    // Return from a subroutine.\n    let mut x = Chip8Computer::new();\n    x.stack.push(\u00260x132);\n    x.stack.push(\u00260xabc);\n    // EXECUTE\n    Chip8CpuInstructions::RET.execute(\u0026mut x);\n    // VERIFY\n    assert_eq!(x.registers.peek_pc(), 0xabc);\n    assert_eq!(x.stack.depth(), 1);\n    // EXECUTE\n    Chip8CpuInstructions::RET.execute(\u0026mut x);\n    // VERIFY\n    assert_eq!(x.registers.peek_pc(), 0x132);\n    assert_eq!(x.stack.depth(), 0);\n}\n\n#[test]\nfn ldvxk_test() {\n    // SETUP\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    Chip8CpuInstructions::LDRK(0x1).execute(\u0026mut x);\n    assert!(matches!(\n        x.state,\n        gemma::chip8::cpu_states::Chip8CpuStates::WaitingForKey\n    ));\n}\n\n#[test]\nfn series8xy4_corex_tests() {\n    /// 8xy4\n    /// Set Vx = Vx + Vy\n    /// Set VF=1 if Carry\n    ///\n    // 1 + 1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x02);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    // 255+1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xff);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x00);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n\n    // 128+192\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 128);\n    x.registers.poke(0x02, 192);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 64);\n    assert_eq!(x.registers.peek(0x0f), 1);\n\n    // 8xy6 - SHR Vx {, Vy}\n    // Set Vx = Vx SHR 1.\n    //\n    // If the least-significant bit of Vx is 1, then VF is set to 1,\n    // otherwise 0. Then Vx is divided by 2.\n    let mut x = Chip8Computer::new();\n    // 0b10101010 -\u003e 0b01010101\n    x.registers.poke(0x01, 0b10101010);\n    x.registers.poke(0x0f, 0x0);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01010100);\n    assert_eq!(x.registers.peek(0x0f), 1);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b10101000);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01010000);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b10100000);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01000000);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n}\n\n#[test]\nfn random_produces_different_numbers() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x00);\n    let first_number = Chip8CpuInstructions::RND(0x01, 0xff)\n        .execute(\u0026mut x)\n        .registers\n        .peek(0x01);\n    let second_number = Chip8CpuInstructions::RND(0x01, 0xff)\n        .execute(\u0026mut x)\n        .registers\n        .peek(0x01);\n    assert_ne!(first_number, second_number);\n}\n\n#[test]\nfn delay_timer_ticks_reduce_time() {\n    let mut st = DelayTimer::new();\n    st.set_timer(100);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 97);\n}\n\n#[test]\nfn delay_timer_out_of_ticks_works() {\n    let mut st = DelayTimer::new();\n    st.set_timer(0);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 0);\n}\n\n#[test]\nfn keypad_keys_check() {\n    let mut k = Keypad::new();\n\n    for i in 0..16 {\n        assert!(!k.key_state(i));\n    }\n\n    // press a key\n    k.push_key(1);\n    k.push_key(2);\n    assert!(k.pressed(1));\n    assert!(k.pressed(2));\n    k.release_key(1);\n    assert!(k.released(1));\n}\n\n#[test]\nfn keypad_string_format_test() {\n    let k = Keypad::new();\n\n    assert_eq!(\n        k.format_as_string(),\n        read_test_result(\"gemma_keypad_string_result.asc\")\n    );\n}\n\n#[test]\nfn register_rw_test() {\n    let mut x = Chip8Registers::default();\n    x.poke(0x0, 0xff);\n    x.poke(0x1, 0xab);\n    assert_eq!(x.peek(0x0), 0xff);\n    assert_eq!(x.peek(0x1), 0xab);\n}\n\n#[test]\nfn pc_test() {\n    let mut x = Chip8Registers::default();\n    x.set_pc(0x300);\n    assert_eq!(x.peek_pc(), 0x300);\n}\n\n#[test]\n#[should_panic]\nfn invalid_register() {\n    let mut x = Chip8Registers::default();\n    x.poke(0x10, 0xff);\n}\n\n#[test]\nfn format_as_string_looks_right() {\n    let mut x = Chip8Registers::default();\n    for i in 0..0x10 {\n        x.registers[i] = i as u8;\n    }\n    x.pc = 0xabc;\n    x.i_register = 0xcab;\n    let result_string = x.format_as_string();\n    assert_eq!(result_string, String::from(\"Vx: 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07\\n    0x08 0x09 0x0a 0x0b 0x0c 0x0d 0x0e 0x0f\\nI: 0x0cab\\tPC: 0x0abc\"));\n}\n\n#[test]\nfn reset_clears_registers() {\n    let mut x = Chip8Registers::default();\n\n    for register in 0..0x10 {\n        x.poke(register, random::\u003cu8\u003e());\n    }\n    x.reset();\n    for register in 0..0x10 {\n        assert_eq!(x.peek(register), 0x00);\n    }\n}\n\n#[test]\nfn sound_timer_ticks_reduce_time() {\n    let mut st = SoundTimer::new();\n    st.set_timer(100);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 97);\n}\n\n#[test]\nfn sound_timer_out_of_ticks_works() {\n    let mut st = SoundTimer::new();\n    st.set_timer(0);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 0);\n}\n\n#[test]\nfn stack_push_pop_test() {\n    let mut x = Chip8Stack::new();\n\n    // lets see if we can push and pop a bunch\n    x.push(\u00260xabcu16);\n    x.push(\u00260xcdeu16);\n    x.pop();\n    assert_eq!(x.depth(), 1);\n}\n\n#[test]\n#[should_panic]\nfn stack_overflow_test() {\n    let mut x = Chip8Stack::new();\n    for i in 0..17 {\n        x.push(\u0026i);\n    }\n}\n\n#[test]\n#[should_panic]\nfn stack_underflow_test() {\n    let mut x = Chip8Stack::new();\n    x.pop();\n}\n\n#[test]\nfn stack_lots_of_subs() {\n    let mut x = Chip8Stack::new();\n    let stack_contents = [\n        0x123, 0x321, 0xabc, 0xdef, 0xbad, 0xbef, 0xfed, 0xcab, 0xbed, 0xcad, 0xfeb, 0xcab, 0xfff,\n        0x000, 0x001,\n    ];\n    for i in stack_contents {\n        x.push(\u0026i);\n    }\n\n    assert_eq!(x.depth(), 15);\n\n    // up to 50 random loops\n    let num_loops: u8 = random::\u003cu8\u003e() % 50;\n    for i in 0..num_loops {\n        let start_count = x.depth();\n        let num_pop = random::\u003cu8\u003e() % x.depth() as u8;\n        for current_pop in 0..num_pop {\n            x.pop();\n        }\n\n        let post_pop_count = x.depth();\n        assert_eq!(post_pop_count as u8, start_count as u8 - num_pop);\n        for current_push in 0..num_pop {\n            x.push(\u0026stack_contents[(current_push + post_pop_count as u8) as usize]);\n        }\n        assert_eq!(x.depth(), 15);\n    }\n}\n\n#[test]\nfn video_split_bytes() {\n    // from 0xABCD we should have AB high, CD low\n    let (low, high) = InstructionUtil::split_bytes(0xabcd);\n    assert_eq!(low, 0xAB);\n    assert_eq!(high, 0xCD);\n}\n\n#[test]\nfn video_join_bytes() {\n    // from 0xAB low and 0xCD high we get 0xABCD\n    let merged = InstructionUtil::join_bytes(0xcd, 0xab);\n    assert_eq!(merged, 0xcdab);\n}\n\n#[test]\nfn instruction_read_from_instruction() {\n    // from 0xABCD\n    let source = 0xABCD;\n    assert_eq!(InstructionUtil::read_addr_from_instruction(source), 0xBCD);\n    assert_eq!(InstructionUtil::read_nibble_from_instruction(source), 0xD);\n    assert_eq!(InstructionUtil::read_x_from_instruction(source), 0xB);\n    assert_eq!(InstructionUtil::read_y_from_instruction(source), 0xC);\n    assert_eq!(InstructionUtil::read_byte_from_instruction(source), 0xCD);\n}\n\n#[test]\nfn instruction_ubln() {\n    // from 0xABCD we should see B\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0xABCD), 0xB);\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0x0123), 0x1);\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0x0000), 0x0);\n}\n\n#[test]\nfn instruction_byte_to_bool_changes() {\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b00000000),\n        [false, false, false, false, false, false, false, false]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11111111),\n        [true, true, true, true, true, true, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11001100),\n        [false, false, true, true, false, false, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11110000),\n        [false, false, false, false, true, true, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, false, false, false, false, false, false]),\n        0b00000000\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([true, true, true, true, true, true, true, true]),\n        0b11111111\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, true, true, false, false, true, true]),\n        0b11001100\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, false, false, true, true, true, true]),\n        0b11110000\n    );\n}\n\nfn real_build_checkboard(in_hd: bool) -\u003e Chip8Video {\n    let mut r = Chip8Video::default();\n    let (width, height) = if in_hd {\n        r.set_highres();\n        (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT)\n    } else {\n        (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT)\n    };\n\n    println!(\"BUILDING BOARD WITH SIZE OF {width}x{height}\");\n\n    for row in 0..height {\n        let data_offset = row * width;\n\n        for col in 0..width {\n            // XOR row and column indices to alternate in a checkerboard pattern\n            let to_poke = (row % 2) ^ (col % 2) == 1;\n            let local_offset: u16 = (data_offset + col) as u16;\n\n            r.poke(local_offset, to_poke);\n        }\n    }\n    r\n}\n\nfn build_checkboard_hd() -\u003e Chip8Video {\n    real_build_checkboard(true)\n}\n\nfn build_checkerboard() -\u003e Chip8Video {\n    real_build_checkboard(false)\n}\n\n#[test]\nfn video_default_test() {\n    let mut x = Chip8Video::default();\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.clone().peek(i as u16));\n        // then flip the value and test again.\n        x.poke(i as u16, true);\n        assert!(x.clone().peek(i as u16));\n    }\n}\n\n#[test]\nfn video_set_initial_memory_sd() {\n    let mut x = Chip8Video::default();\n    // let mut initial_memory = [false; CHIP8_VIDEO_MEMORY];\n    let mut ws = String::new();\n    // set our checkerboard\n    for cbr in 0..32 {\n        for cbc in 0..64 {\n            let dof = cbr * 64 + cbc;\n            if (dof as i32 % 2) == 0 {\n                x.poke(dof, true);\n                ws += \"*\";\n            } else {\n                ws += \" \";\n            }\n        }\n        ws += \"\\n\";\n    }\n    assert_eq!(x.format_as_string(), ws);\n}\n\n#[test]\nfn video_poke_byte_test() {\n    let to_poke = 0b11001111;\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x05, to_poke);\n    let mut expected = String::new();\n    expected = \"     **  ****                                                   \\n\".to_string();\n    for i in 0..31 {\n        expected += \u0026*(\" \".repeat(64) + \"\\n\");\n    }\n    assert_eq!(x.format_as_string(), expected);\n}\n\n#[test]\nfn video_poke_2byte_test() {\n    let to_poke: [u8; 2] = [0b11001111, 0b00111100];\n\n    let mut x = Chip8Video::default();\n    x.poke_2byte(0x00, to_poke);\n\n    let mut expected = String::new();\n    expected = \"**  ****  ****  \".to_string() + \u0026*\" \".repeat(64 - 16).to_string() + \"\\n\";\n    for i in 0..31 {\n        expected += \u0026*((*\" \".repeat(64)).to_string() + \"\\n\");\n    }\n\n    assert_eq!(expected, x.format_as_string());\n}\n\n#[test]\nfn video_poke_multirow_2_byte_sprite() {\n    // take 2 rows of 16bits and write them to memory\n}\n\n#[test]\nfn video_cls_stddef() {\n    let width = 64;\n    let height = 32;\n    let initial_memory = vec![];\n    let mut ws = String::new();\n    let mut set_x = Chip8Video::new(initial_memory.into());\n    for cbr in 0..32 {\n        ws += \u0026*\" \".repeat(width);\n        ws += \"\\n\";\n    }\n    set_x.cls();\n\n    assert_eq!(set_x.format_as_string(), ws);\n}\n\n#[test]\nfn video_poke_byte_test_2() {\n    let to_poke = 0b10101010;\n    let mut v = Chip8Video::default();\n    v.poke_byte(0x00, to_poke);\n    assert!(v.clone().peek(0x00));\n    assert!(!v.clone().peek(0x01));\n    assert!(v.clone().peek(0x02));\n    assert!(!v.clone().peek(0x03));\n    assert!(v.clone().peek(0x04));\n    assert!(!v.clone().peek(0x05));\n    assert!(v.clone().peek(0x06));\n    assert!(!v.clone().peek(0x07));\n    for i in 0x8..CHIP8_VIDEO_MEMORY {\n        assert!(!v.clone().peek(i as u16));\n    }\n}\n\n#[test]\nfn video_poke_multi_line_test() {\n    let mut v = Chip8Video::default();\n    let to_poke = [0b00000000, 0b11111111, 0b10101010, 0b01010101];\n\n    for (byte_in_set, byte_to_poke) in to_poke.iter().enumerate() {\n        let base_offset = byte_in_set * 64;\n        v.poke_byte(base_offset as u16, *byte_to_poke);\n    }\n\n    // row 2 column 1\n    {\n        assert!(v.clone().peek(0x40));\n        assert!(v.clone().peek(0x41));\n        assert!(v.clone().peek(0x42));\n        assert!(v.clone().peek(0x43));\n        assert!(v.clone().peek(0x44));\n        assert!(v.clone().peek(0x45));\n        assert!(v.clone().peek(0x46));\n        assert!(v.clone().peek(0x47));\n\n        // row 3 column 1\n        assert!(!v.clone().peek(0xC0));\n        assert!(v.clone().peek(0xC1));\n        assert!(!v.clone().peek(0xC2));\n        assert!(v.clone().peek(0xC3));\n        assert!(!v.clone().peek(0xC4));\n        assert!(v.clone().peek(0xC5));\n        assert!(!v.clone().peek(0xC6));\n        assert!(v.clone().peek(0xC7));\n    }\n}\n\n#[test]\nfn video_moved_poke_test() {\n    let mut v = Chip8Video::default();\n    let to_poke = [0b00000000, 0b11111111, 0b10101010, 0b01010101];\n\n    let x_offset = 20;\n    let y_offset = 5;\n\n    for (byte_in_set, byte_to_poke) in to_poke.iter().enumerate() {\n        let base_offset = (x_offset + byte_in_set) * 64 + y_offset;\n        v.poke_byte(base_offset as u16, *byte_to_poke);\n    }\n\n    let test_offset = (x_offset * 64 + y_offset) as u16;\n    assert!(!v.clone().peek(test_offset));\n    assert!(!v.clone().peek(test_offset + 1));\n    assert!(!v.clone().peek(test_offset + 2));\n    assert!(!v.clone().peek(test_offset + 3));\n    assert!(!v.clone().peek(test_offset + 4));\n    assert!(!v.clone().peek(test_offset + 5));\n    assert!(!v.clone().peek(test_offset + 6));\n    assert!(!v.clone().peek(test_offset + 7));\n\n    let test_offset = test_offset + 0x40;\n    assert!(v.clone().peek(test_offset));\n    assert!(v.clone().peek(test_offset + 1));\n    assert!(v.clone().peek(test_offset + 2));\n    assert!(v.clone().peek(test_offset + 3));\n    assert!(v.clone().peek(test_offset + 4));\n    assert!(v.clone().peek(test_offset + 5));\n    assert!(v.clone().peek(test_offset + 6));\n    assert!(v.clone().peek(test_offset + 7));\n}\n\n#[test]\nfn video_verify_change_registered() {\n    let mut v = Chip8Video::default();\n    v.poke(0x01, true);\n    v.poke(0x01, true);\n    assert!(v.has_frame_changed);\n\n    v.start_frame();\n    assert!(!v.has_frame_changed);\n}\n\n#[test]\nfn video_write_checkboard() {\n    let v = build_checkerboard();\n    assert_eq!(\n        v.clone().format_as_string(),\n        read_test_result(\"test_video_write_checkerboard.asc\")\n    );\n}\n\n#[test]\nfn video_zero_test() {\n    let mut x = Chip8Video::default();\n\n    for (byte_index, data_offset) in (0..=0x100).step_by(0x40).enumerate() {\n        x.poke_byte(data_offset as u16, CHIP8FONT_0[byte_index]);\n    }\n\n    assert_eq!(\n        read_test_result(\"test_video_zero.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_multi_sprite_test() {\n    let mut x = Chip8Video::default();\n    // draw a row of digits 01234567\n    let to_draw = [\n        CHIP8FONT_0,\n        CHIP8FONT_1,\n        CHIP8FONT_2,\n        CHIP8FONT_3,\n        CHIP8FONT_4,\n        CHIP8FONT_5,\n        CHIP8FONT_6,\n        CHIP8FONT_7,\n    ];\n    for (index, sprite) in to_draw.iter().enumerate() {\n        let data_base_offset = index * 0x8;\n        for (index, offset) in (0..=0x100).step_by(0x40).enumerate() {\n            x.poke_byte((data_base_offset + offset) as u16, sprite[index]);\n        }\n    }\n\n    assert_eq!(\n        read_test_result(\"test_multi_sprite.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_reset_test() {\n    let mut x = build_checkerboard();\n    x.reset();\n    assert_eq!(\n        x.format_as_string(),\n        read_test_result(\"test_reset_clears_video.asc\")\n    );\n}\n\n#[test]\nfn video_collision_test() {\n    // Setup: Set 0xFF to 0x00 with a new frame ready\n    // Action: Run Poke to the same area\n    // Test: Verify the 'changed' flag is tripped\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0xff);\n    x.tick();\n    // set the cell thats already set...\n    x.poke(0x00, true);\n    // it becomes unset and theres a frame changed\n    assert!(!x.peek(0x00));\n\n    assert!(x.clone().has_frame_changed);\n}\n\n#[test]\nfn video_collision_test2() {\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0b11110000);\n    assert!(x.has_frame_changed);\n    x.tick();\n    assert!(!x.has_frame_changed);\n    // clear the 'has changed' flag\n\n    // now set a no-collision value\n    x.poke_byte(0x00, 0b00001111);\n    assert!(x.has_frame_changed);\n}\n\n#[test]\nfn video_collision_test3() {\n    // draw a couple sprites that do not overlap.\n    // goal being drawing without triggering the collision\n    // detection.\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0b11110000);\n}\n\n#[test]\nfn video_peek_out_of_bounds_doesnt_panic() {\n    let x = Chip8Video::default();\n\n    let y = x.clone().peek(2049);\n    let y = x.clone().peek(0);\n\n    // if we got here we didn't panic\n    assert!(true);\n}\n\n#[test]\nfn video_scroll_down_1_row_test() {\n    let mut x = build_checkerboard();\n    x.scroll_down(1);\n    assert_eq!(\n        read_test_result(\"test_video_scroll_down_1.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_10_row_test() {\n    let mut x = build_checkerboard();\n    x.scroll_down(10);\n    assert_eq!(\n        read_test_result(\"test_video_scroll_down_10.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_high_res_has_right_resolution() {\n    let x = build_checkboard_hd();\n    println!(\"[{}]\", x.format_as_string());\n    assert_eq!(\n        read_test_result(\"test_video_highdef.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_1_row_test_schip() {\n    let mut x = build_checkboard_hd();\n    x.scroll_down(1);\n\n    println!(\"[{}]\", x.format_as_string());\n    println!(\"[{}]\", read_test_result(\"test_scroll_down_1_hd.asc\"));\n\n    assert_eq!(\n        read_test_result(\"test_scroll_down_1_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_10_row_test_schip() {\n    let mut x = build_checkboard_hd();\n    x.scroll_down(10);\n    assert_eq!(\n        read_test_result(\"test_scroll_down_10_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_left_4_row_test_std_def() {\n    let mut x = build_checkerboard();\n    x.scroll_left();\n    assert_eq!(\n        read_test_result(\"test_scroll_left_4.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_left_4_row_test_high_def() {\n    let mut x = build_checkboard_hd();\n    x.scroll_left();\n    assert_eq!(\n        read_test_result(\"test_scroll_left_4_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_right_4_row_test_std_def() {\n    let mut x = build_checkerboard();\n    x.scroll_right();\n    assert_eq!(\n        read_test_result(\"test_scroll_right_4.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_right_4_row_test_high_def() {\n    let mut x = build_checkboard_hd();\n    x.scroll_right();\n    assert_eq!(\n        read_test_result(\"test_scroll_right_4_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn instructions_operands_tests() {\n    assert_eq!(Chip8CpuInstructions::SYS(0x000).operands(), \"0x0000\");\n    assert_eq!(Chip8CpuInstructions::JPI(0x123).operands(), \"0x0123\");\n    assert_eq!(Chip8CpuInstructions::JPA(0x234).operands(), \"0x0234\");\n    assert_eq!(Chip8CpuInstructions::LDIA(0x345).operands(), \"0x0345\");\n    assert_eq!(Chip8CpuInstructions::CALL(0x456).operands(), \"0x0456\");\n}\n\n#[test]\nfn instruction_ena_dis_tests() {\n    let mut x = Chip8Computer::new();\n    for quirk in [SChipModern, XOChip] {\n        x.quirk_mode = quirk;\n        assert!(!x.video_memory.is_highres());\n        Chip8CpuInstructions::HIGH.execute(\u0026mut x);\n        assert!(x.video_memory.is_highres());\n        Chip8CpuInstructions::HIGH.execute(\u0026mut x);\n        assert!(x.video_memory.is_highres());\n        Chip8CpuInstructions::LOW.execute(\u0026mut x);\n        assert!(!x.video_memory.is_highres());\n    }\n}\n\n#[test]\nfn instruction_test_scrolling_lowres() {\n    for quirk in [SChipModern, XOChip] {\n        let mut x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCR.execute(\u0026mut x);\n        assert_eq!(\n            read_test_result(\"test_scroll_right_4.asc\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCL.execute(\u0026mut x);\n\n        assert_eq!(\n            read_test_result(\"test_scroll_left_4.asc\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCD(0x01).execute(\u0026mut x);\n        assert_eq!(\n            read_test_result(\"test_video_scroll_down_1.asc\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCD(0xA).execute(\u0026mut x);\n        assert_eq!(\n            read_test_result(\"test_video_scroll_down_10.asc\"),\n            x.dump_video_to_string()\n        );\n    }\n}\n\n#[test]\nfn computer_dump_keypad_to_string() {\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x1);\n    x.keypad.push_key(0x2);\n    assert_eq!(\n        read_test_result(\"test_keypad_to_string.asc\"),\n        x.dump_keypad_to_string()\n    );\n}\n\n#[test]\nfn computer_dump_registers_to_string() {\n    let mut x = Chip8Computer::new();\n    let values_to_set = [\n        0x0b, 0xad, 0xbe, 0xef, 0xca, 0xb0, 0x7a, 0xc0, 0xca, 0x70, 0xba, 0xdb, 0xed, 0x00, 0x00,\n        0x00,\n    ];\n    let expected_value = \"Vx: 0x0b 0xad 0xbe 0xef 0xca 0xb0 0x7a 0xc0\\n    0xca 0x70 0xba 0xdb 0xed 0x00 0x00 0x00\\nI: 0x0000\\tPC: 0x0200\";\n\n    for i in 0..16 {\n        x.registers.poke(i, values_to_set[i as usize]);\n    }\n\n    // now verify.\n    assert_eq!(expected_value, x.dump_registers_to_string());\n}\n\n#[test]\nfn video_scroll_up_tests_sd() {\n    let mut x = build_checkerboard();\n    let distance = 1u8;\n    x.scroll_up(\u0026distance);\n    assert_eq!(\n        read_test_result(\"test_video_scroll_up_test_sd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_up_tests_hd() {\n    let mut x = build_checkboard_hd();\n    let distance = 1u8;\n    x.scroll_up(\u0026distance);\n    assert_eq!(\n        read_test_result(\"test_video_scroll_up_test_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_resolution_changing() {\n    let mut x = Chip8Video::default();\n\n    x.set_highres();\n    assert_eq!(x.get_resolution(), (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT));\n    assert!(matches!(\n        x.get_screen_resolution(),\n        Chip8VideoModes::HighRes\n    ));\n    x.set_lowres();\n    assert_eq!(x.get_resolution(), (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT));\n    assert!(matches!(x.get_screen_resolution(), Chip8VideoModes::LowRes));\n}\n\n#[test]\nfn delay_timer_default() {\n    let t = DelayTimer::default();\n    assert_eq!(t.current(), 0xff);\n}\n\n#[test]\nfn instruction_jpx() {\n    // JPX -\u003e 0xBXnn\n    // Jump to Xnn+Vx\n    let mut x = Chip8Computer::new();\n    // set X1 to 4...\n    x.registers.poke(0x01, 0x04);\n    // ...use (x1)+0x134\n    let to_execute = JPX(0x01, 0x34);\n    // expect to set PC to 0x834\n    to_execute.execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0x834);\n}\n\n#[test]\nfn instruction_ldrd() {\n    let mut x = Chip8Computer::new();\n    x.state = WaitingForInstruction;\n    x.delay_timer.set_timer(0x01);\n    Chip8CpuInstructions::LDRD(0x01).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x01);\n    x.delay_timer.set_timer(0xff);\n    Chip8CpuInstructions::LDRD(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x00), 0xff);\n    x.step_system();\n    x.step_system();\n    x.step_system();\n    x.step_system();\n    Chip8CpuInstructions::LDRD(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x0), 0xfb);\n}\n\n#[test]\nfn video_hires_loop_check() {\n    let max_address = SCHIP_VIDE_MEMORY;\n    let x = build_checkboard_hd();\n    x.peek((max_address + 1) as u16);\n    // if we got here we didn't explode!\n    assert!(true);\n}\n\n#[test]\nfn sound_timer_default() {\n    let x = SoundTimer::default();\n    assert_eq!(x.current(), 0);\n}\n\n#[test]\nfn system_memory_new() {\n    let x = Chip8SystemMemory::new();\n    assert!(true);\n}\n\n#[test]\nfn video_lowres_schip_draw_chip8_sprite() {\n    let mut x = Chip8Computer::new();\n    x.quirk_mode = QuirkMode::SChipModern;\n    x.video_memory.set_lowres();\n    // point at the 1 from chip8\n    x.registers.poke_i(0x0005);\n    // point to 1,2 for the drawing\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::DRW(0x01, 0x01, 0x08).execute(\u0026mut x);\n    let expected_state = read_test_result(\"state/video_lowres_schip_draw_chip8_sprite_result.json\");\n    let actual_state = serde_json::to_string(\u0026x).unwrap();\n    assert_eq!(expected_state, actual_state);\n}\n\n#[test]\nfn video_lowres_schip_draw_schip_sprite() {}\n#[test]\nfn video_highres_schip_draw_chip8_sprite() {}\n#[test]\nfn video_highres_schip_draw_schip_sprite() {}\n\n\n#[test]\nfn partial_eq_chip8computer() {\n    let x = Chip8Computer::new();\n    let y = Chip8Computer::new();\n    assert_eq!(x, y)\n}\n\n#[test]\nfn quirk_mode_labels() {\n    assert_eq!(format!(\"{}\", Chip8), LABEL_QUIRK_CHIP8);\n    assert_eq!(format!(\"{}\", XOChip), LABEL_QUIRK_XOCHIP);\n    assert_eq!(format!(\"{}\", SChipModern), LABEL_QUIRK_SCHIP);\n}\n\n#[test]\nfn system_memory_load_program() {\n    let mut m = Chip8SystemMemory::new();\n    let mut program_to_load = vec![];\n    let file_to_load = format!(\"{}/2-ibm-logo.ch8\", TEST_ROM_ROOT);\n    println!(\"Attempt to load {} from {}\", file_to_load, std::env::current_dir().unwrap().display());\n    let mut file_to_load_from = File::open(file_to_load).expect(\"Unable to load sample rom\");\n    file_to_load_from.read_to_end(\u0026mut program_to_load).expect(\"Unable to read sample rom\");\n    m.load_program(program_to_load.clone().into());\n    let expected_at_200 = program_to_load[0];\n    assert_eq!(m.peek(0x200), expected_at_200);\n}\n\n#[test]\nfn start_stop_computer() {\n    let mut computer = Chip8ComputerManager::new();\n\n    assert_eq!(computer.core_should_run, false);\n    computer.start();\n    assert_eq!(computer.core_should_run, true);\n    computer.step();\n    assert_eq!(computer.core_should_run, true);\n    computer.stop();\n    assert_eq!(computer.core_should_run, false);\n    computer.reset(Chip8);\n    assert_eq!(computer.core_should_run, false);\n}\n\n#[test]\nfn state_default_matches() {\n    let computer = Chip8Computer::default();\n    let mut manager = Chip8ComputerManager::default();\n    assert_eq!(computer, *manager.state());\n}\n\n#[test]\nfn keys_test_manager() {\n    let mut manager = Chip8ComputerManager::default();\n\n    for i in 0..16 {\n        assert_eq!(manager.is_key_pressed(i), false);\n    }\n\n    // press key 5\n    manager.press_key(5);\n    assert_eq!(manager.is_key_pressed(5), true);\n    manager.release_key(5);\n    assert_eq!(manager.is_key_pressed(5), 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gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::*;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::constants::*;\n\n#[derive(Clone)]\nstruct InstructionTestQuirks {\n    chip8: Chip8CpuInstructions,\n    schip: Chip8CpuInstructions,\n    xochip: Chip8CpuInstructions,\n}\n\n#[derive(Clone)]\nstruct InstructionTest {\n    name: String,\n    instruction: Chip8CpuInstructions,\n    operands: String,\n    asm: String,\n    encoded: u16,\n    quirks: InstructionTestQuirks,\n}\n\n#[test]\nfn instructions_encode_decode_tests_with_quirks() {\n    let it = vec![\n        InstructionTest {\n            name: INST_SYS.to_string(),\n            instruction: SYS(0x123),\n            operands: \"0x0123\".to_string(),\n            asm: \"SYS 0x0123\".to_string(),\n            encoded: 0x0123,\n            quirks: InstructionTestQuirks {\n                chip8: SYS(0x123),\n                schip: XXXXERRORINSTRUCTION,\n                xochip: XXXXERRORINSTRUCTION,\n            },\n        },\n        InstructionTest {\n            name: INST_CLS.to_string(),\n            instruction: CLS,\n            asm: \"CLS\".to_string(),\n            operands: \"\".to_string(),\n            encoded: 0x00E0,\n            quirks: InstructionTestQuirks {\n                chip8: CLS,\n                schip: CLS,\n                xochip: CLS,\n            },\n        },\n        InstructionTest {\n            name: INST_RET.to_string(),\n            instruction: RET,\n            asm: \"RET\".to_string(),\n            operands: \"\".to_string(),\n            encoded: 0x00ee,\n            quirks: InstructionTestQuirks {\n                chip8: RET,\n                schip: RET,\n                xochip: RET,\n            },\n        },\n        InstructionTest {\n            name: INST_JPX.to_string(),\n            instruction: JPX(0x1, 0xab),\n            operands: \"0x01, 0x01ab\".to_string(),\n            asm: \"JPX 0x01, 0x01ab\".to_string(),\n            encoded: 0xb1ab,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: JPX(0x1, 0xab),\n                xochip: XXXXERRORINSTRUCTION,\n            },\n        },\n        InstructionTest {\n            name: INST_CALL.to_string(),\n            instruction: CALL(0x123),\n            asm: \"CALL 0x0123\".to_string(),\n            encoded: 0x2123,\n            operands: \"0x0123\".to_string(),\n            quirks: InstructionTestQuirks {\n                chip8: CALL(0x123),\n                schip: CALL(0x123),\n                xochip: CALL(0x123),\n            },\n        },\n        InstructionTest {\n            name: INST_DRW.to_string(),\n            instruction: DRW(0x01, 0x02, 0x03),\n            operands: \"0x01, 0x02, 0x03\".to_string(),\n            asm: \"DRW 0x01, 0x02, 0x03\".to_string(),\n            encoded: 0xd123,\n            quirks: InstructionTestQuirks {\n                chip8: DRW(0x1, 0x2, 0x3),\n                schip: DRW(0x1, 0x2, 0x3),\n                xochip: DRW(0x1, 0x2, 0x3),\n            },\n        },\n        InstructionTest {\n            name: INST_JPI.to_string(),\n            instruction: JPI(0x321),\n            operands: \"0x0321\".to_string(),\n            asm: \"JPI 0x0321\".to_string(),\n            encoded: 0xb321,\n            quirks: InstructionTestQuirks {\n                chip8: JPI(0x321),\n                schip: XXXXERRORINSTRUCTION,\n                xochip: JPI(0x321),\n            },\n        },\n        InstructionTest {\n            name: INST_SCD.to_string(),\n            instruction: SCD(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SCD 0x01\".to_string(),\n            encoded: 0x00c1,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCD(0x1),\n                xochip: SCD(0x1),\n            },\n        },\n        InstructionTest {\n            name: INST_SCR.to_string(),\n            instruction: Chip8CpuInstructions::SCR,\n            operands: \"\".to_string(),\n            asm: \"SCR\".to_string(),\n            encoded: 0x00FB,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCR,\n                xochip: SCR,\n            },\n        },\n        InstructionTest {\n            name: INST_SCL.to_string(),\n            instruction: SCL,\n            operands: \"\".to_string(),\n            asm: \"SCL\".to_string(),\n            encoded: 0x00FC,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCL,\n                xochip: SCL,\n            },\n        },\n        InstructionTest {\n            name: INST_EXIT.to_string(),\n            instruction: EXIT,\n            operands: \"\".to_string(),\n            asm: \"EXIT\".to_string(),\n            encoded: 0x00FD,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: EXIT,\n                xochip: EXIT,\n            },\n        },\n        InstructionTest {\n            name: INST_LOW.to_string(),\n            instruction: LOW,\n            operands: \"\".to_string(),\n            asm: \"LOW\".to_string(),\n            encoded: 0x00FE,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LOW,\n                xochip: LOW,\n            },\n        },\n        InstructionTest {\n            name: INST_HIGH.to_string(),\n            instruction: HIGH,\n            operands: \"\".to_string(),\n            asm: \"HIGH\".to_string(),\n            encoded: 0x00FF,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: HIGH,\n                xochip: HIGH,\n            },\n        },\n        InstructionTest {\n            name: INST_SEX.to_string(),\n            instruction: Chip8CpuInstructions::SEX(0x01, 0xfa),\n            operands: \"0x01, 0xfa\".to_string(),\n            asm: \"SEX 0x01, 0xfa\".to_string(),\n            encoded: 0x31fa,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SEX(0x1, 0xfa),\n                schip: Chip8CpuInstructions::SEX(0x1, 0xfa),\n                xochip: Chip8CpuInstructions::SEX(0x1, 0xfa),\n            },\n        },\n        InstructionTest {\n            name: INST_SNEB.to_string(),\n            instruction: Chip8CpuInstructions::SNEB(0x01, 0xab),\n            operands: \"0x01, 0xab\".to_string(),\n            asm: \"SNEB 0x01, 0xab\".to_string(),\n            encoded: 0x41ab,\n            quirks: InstructionTestQuirks {\n                chip8: SNEB(0x01, 0xab),\n                schip: SNEB(0x01, 0xab),\n                xochip: SNEB(0x01, 0xab),\n            },\n        },\n        InstructionTest {\n            name: INST_SEY.to_string(),\n            instruction: Chip8CpuInstructions::SEY(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SEY 0x1, 0x2\".to_string(),\n            encoded: 0x5120,\n            quirks: InstructionTestQuirks {\n                chip8: SEY(0x1, 0x2),\n                schip: SEY(0x1, 0x2),\n                xochip: SEY(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_LDR.to_string(),\n            instruction: LDR(0xa, 0xbe),\n            operands: \"0x0a, 0xbe\".to_string(),\n            asm: \"LDR 0x0a, 0xbe\".to_string(),\n            encoded: 0x6abe,\n            quirks: InstructionTestQuirks {\n                chip8: LDR(0xa, 0xbe),\n                schip: LDR(0xa, 0xbe),\n                xochip: LDR(0xa, 0xbe),\n            },\n        },\n        InstructionTest {\n            name: INST_ADD.to_string(),\n            instruction: Chip8CpuInstructions::ADD(0x01, 0xab),\n            operands: \"0x01, 0xab\".to_string(),\n            asm: \"ADD 0x01, 0xab\".to_string(),\n            encoded: 0x71ab,\n            quirks: InstructionTestQuirks {\n                chip8: ADD(0x01, 0xab),\n                schip: ADD(0x01, 0xab),\n                xochip: ADD(0x01, 0xab),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRK.to_string(),\n            instruction: Chip8CpuInstructions::LDRK(0x6),\n            operands: \"0x06\".to_string(),\n            asm: \"LDRK 0x06\".to_string(),\n            encoded: 0xF60A,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRK(0x6),\n                schip: Chip8CpuInstructions::LDRK(0x6),\n                xochip: Chip8CpuInstructions::LDRK(0x6),\n            },\n        },\n        InstructionTest {\n            name: INST_ADDI.to_string(),\n            instruction: Chip8CpuInstructions::ADDI(0x02),\n            operands: \"0x02\".to_string(),\n            asm: \"ADDI 0x02\".to_string(),\n            encoded: 0xF21E,\n            quirks: InstructionTestQuirks {\n                chip8: ADDI(0x02),\n                schip: ADDI(0x02),\n                xochip: ADDI(0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_ADD.to_string(),\n            instruction: Chip8CpuInstructions::ADD(0x02, 0x12),\n            operands: \"0x02, 0x12\".to_string(),\n            asm: \"ADD 0x02, 0x12\".to_string(),\n            encoded: 0x7212,\n            quirks: InstructionTestQuirks {\n                chip8: ADD(0x02, 0x12),\n                schip: ADD(0x02, 0x12),\n                xochip: ADD(0x02, 0x12),\n            },\n        },\n        InstructionTest {\n            name: INST_SCU.to_string(),\n            instruction: Chip8CpuInstructions::SCU(0x04),\n            operands: \"0x04\".to_string(),\n            asm: \"SCU 0x04\".to_string(),\n            encoded: 0x00D4,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: XXXXERRORINSTRUCTION,\n                xochip: SCU(0x04),\n            },\n        },\n        InstructionTest {\n            name: INST_ADDR.to_string(),\n            instruction: ADDR(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"ADDR 0x1, 0x2\".to_string(),\n            encoded: 0x8124,\n            quirks: InstructionTestQuirks {\n                chip8: ADDR(0x01, 0x02),\n                schip: ADDR(0x01, 0x02),\n                xochip: ADDR(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_AND.to_string(),\n            instruction: AND(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"AND 0x1, 0x2\".to_string(),\n            encoded: 0x8122,\n            quirks: InstructionTestQuirks {\n                chip8: AND(0x1, 0x2),\n                schip: AND(0x1, 0x2),\n                xochip: AND(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_JPA.to_string(),\n            instruction: JPA(0x345),\n            operands: \"0x0345\".to_string(),\n            asm: \"JPA 0x0345\".to_string(),\n            encoded: 0x1345,\n\n            quirks: InstructionTestQuirks {\n                chip8: JPA(0x345),\n                schip: JPA(0x345),\n                xochip: JPA(0x345),\n            },\n        },\n        InstructionTest {\n            name: INST_BCD.to_string(),\n            instruction: BCD(0xc),\n            operands: \"0x0c\".to_string(),\n            asm: \"BCD 0x0c\".to_string(),\n            encoded: 0xfc33,\n            quirks: InstructionTestQuirks {\n                chip8: BCD(0xcd),\n                schip: BCD(0xcd),\n                xochip: BCD(0xcd),\n            },\n        },\n        InstructionTest {\n            name: INST_LDD.to_string(),\n            instruction: LDD(0xfc),\n            operands: \"0xfc\".to_string(),\n            asm: \"LDD 0xfc\".to_string(),\n            encoded: 0xfc15,\n            quirks: InstructionTestQuirks {\n                chip8: LDD(0xfc),\n                schip: LDD(0xfc),\n                xochip: LDD(0xfc),\n            },\n        },\n        InstructionTest {\n            name: INST_ORY.to_string(),\n            instruction: ORY(0x01, 0x3),\n            operands: \"0x1, 0x3\".to_string(),\n            asm: \"ORY 0x1, 0x3\".to_string(),\n            encoded: 0x8133,\n            quirks: InstructionTestQuirks {\n                chip8: ORY(0x01, 0x3),\n                schip: ORY(0x01, 0x3),\n                xochip: ORY(0x01, 0x3),\n            },\n        },\n        InstructionTest {\n            name: INST_SUBC.to_string(),\n            instruction: Chip8CpuInstructions::SUBC(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SUBC 0x1, 0x2\".to_string(),\n            encoded: 0x8127,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SUBC(0x1, 0x2),\n                schip: Chip8CpuInstructions::SUBC(0x1, 0x2),\n                xochip: Chip8CpuInstructions::SUBC(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_SUB.to_string(),\n            instruction: Chip8CpuInstructions::SUB(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SUB 0x1, 0x2\".to_string(),\n            encoded: 0x8125,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SUB(0x1, 0x2),\n                schip: Chip8CpuInstructions::SUB(0x1, 0x2),\n                xochip: Chip8CpuInstructions::SUB(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_STR.to_string(),\n            instruction: Chip8CpuInstructions::STR(0x06),\n            operands: \"0x06\".to_string(),\n            asm: \"STR 0x06\".to_string(),\n            encoded: 0xf675,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: Chip8CpuInstructions::STR(0x06),\n                xochip: Chip8CpuInstructions::STR(0x06),\n            },\n        },\n        InstructionTest {\n            name: INST_OR.to_string(),\n            instruction: OR(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"OR 0x1, 0x2\".to_string(),\n            encoded: 0x8121,\n            quirks: InstructionTestQuirks {\n                chip8: OR(0x01, 0x02),\n                schip: OR(0x01, 0x02),\n                xochip: OR(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_SHR.to_string(),\n            instruction: SHR(0x04, 0x4),\n            operands: \"0x4, 0x4\".to_string(),\n            asm: \"SHR 0x4, 0x4\".to_string(),\n            encoded: 0x8446,\n            quirks: InstructionTestQuirks {\n                chip8: SHR(0x04, 0x4),\n                schip: SHR(0x04, 0x4),\n                xochip: SHR(0x04, 0x4),\n            },\n        },\n        InstructionTest {\n            name: INST_SHL.to_string(),\n            instruction: SHL(0x04, 0x4),\n            operands: \"0x4, 0x4\".to_string(),\n            asm: \"SHL 0x4, 0x4\".to_string(),\n            encoded: 0x844e,\n            quirks: InstructionTestQuirks {\n                chip8: SHL(0x04, 0x4),\n                schip: SHL(0x04, 0x4),\n                xochip: SHL(0x04, 0x4),\n            },\n        },\n        InstructionTest {\n            name: INST_RND.to_string(),\n            instruction: RND(0x01, 0xff),\n            operands: \"0x01, 0xff\".to_string(),\n            asm: \"RND 0x01, 0xff\".to_string(),\n            encoded: 0xc1ff,\n            quirks: InstructionTestQuirks {\n                chip8: RND(0x01, 0xff),\n                schip: RND(0x01, 0xff),\n                xochip: RND(0x01, 0xff),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRY.to_string(),\n            instruction: LDRY(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"LDRY 0x1, 0x2\".to_string(),\n            encoded: 0x8120,\n            quirks: InstructionTestQuirks {\n                chip8: LDRY(0x01, 0x02),\n                schip: LDRY(0x01, 0x02),\n                xochip: LDRY(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIS.to_string(),\n            instruction: LDIS(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDIS 0x01\".to_string(),\n            encoded: 0xf118,\n            quirks: InstructionTestQuirks {\n                chip8: LDIS(0x01),\n                schip: LDIS(0x01),\n                xochip: LDIS(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LIDR.to_string(),\n            instruction: LIDR(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LIDR 0x01\".to_string(),\n            encoded: 0xf185,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LIDR(0x01),\n                xochip: LIDR(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDF2.to_string(),\n            instruction: LDF2(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDF2 0x01\".to_string(),\n            encoded: 0xf130,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LDF2(0x01),\n                xochip: LDF2(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDF.to_string(),\n            instruction: LDFX(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDF 0x01\".to_string(),\n            encoded: 0xf129,\n            quirks: InstructionTestQuirks {\n                chip8: LDFX(0x01),\n                schip: LDFX(0x01),\n                xochip: LDFX(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIA.to_string(),\n            instruction: LDIA(0x01),\n            operands: \"0x0001\".to_string(),\n            asm: \"LDIA 0x0001\".to_string(),\n            encoded: 0xa001,\n            quirks: InstructionTestQuirks {\n                chip8: LDIA(0x01),\n                schip: LDIA(0x01),\n                xochip: LDIA(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIX.to_string(),\n            instruction: LDIX(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDIX 0x01\".to_string(),\n            encoded: 0xf155,\n            quirks: InstructionTestQuirks {\n                chip8: LDIX(0x01),\n                schip: LDIX(0x01),\n                xochip: LDIX(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRD.to_string(),\n            instruction: Chip8CpuInstructions::LDRD(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDRD 0x01\".to_string(),\n            encoded: 0xf107,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRD(0x01),\n                schip: Chip8CpuInstructions::LDRD(0x01),\n                xochip: Chip8CpuInstructions::LDRD(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRI.to_string(),\n            instruction: Chip8CpuInstructions::LDRI(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDRI 0x01\".to_string(),\n            encoded: 0xf165,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRI(0x01),\n                schip: Chip8CpuInstructions::LDRI(0x01),\n                xochip: Chip8CpuInstructions::LDRI(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_SKP.to_string(),\n            instruction: SKP(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SKP 0x01\".to_string(),\n            encoded: 0xe19e,\n            quirks: InstructionTestQuirks {\n                chip8: SKP(0x01),\n                schip: SKP(0x01),\n                xochip: SKP(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_SNEY.to_string(),\n            instruction: SNEY(0x01, 0x1),\n            operands: \"0x1, 0x1\".to_string(),\n            asm: \"SNEY 0x1, 0x1\".to_string(),\n            encoded: 0x9110,\n            quirks: InstructionTestQuirks {\n                chip8: SNEY(0x01, 0x1),\n                schip: SNEY(0x01, 0x1),\n                xochip: SNEY(0x01, 0x1),\n            },\n        },\n        InstructionTest {\n            name: INST_SKNP.to_string(),\n            instruction: SKNP(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SKNP 0x01\".to_string(),\n            encoded: 0xe1a1,\n            quirks: InstructionTestQuirks {\n                chip8: SKNP(0x01),\n                schip: SKNP(0x01),\n                xochip: SKNP(0x01),\n            },\n        },\n    ];\n\n    for current in it {\n        let instruction = current.clone().instruction;\n        let asm = Chip8CpuInstructions::from_str(\u0026current.asm);\n        let as_chip8 = Chip8CpuInstructions::decode(current.encoded, \u0026Chip8);\n        let quirks_chip8 = current.quirks.chip8;\n        let as_schip = Chip8CpuInstructions::decode(current.encoded, \u0026SChipModern);\n        let quirks_schip = current.quirks.schip;\n        let as_xochip = Chip8CpuInstructions::decode(current.encoded, \u0026XOChip);\n        let quirks_xochip = current.quirks.xochip;\n\n        // ** CONVERSION **\n        // -\u003e Integer to Instruction\n        assert!(matches!(\n            Chip8CpuInstructions::decode(current.encoded, \u0026Chip8),\n            i\n        ));\n        // -\u003e Instruction to Integer\n        println!(\n            \"TESTING INSTRUCTION TO INTEGER FOR {:?} / {:04x} {:04x}\",\n            current.instruction,\n            current.encoded,\n            instruction.encode()\n        );\n        assert_eq!(current.encoded, instruction.encode());\n        // -\u003e Instruction to String\n        assert_eq!(instruction.to_string(), current.asm);\n        assert_eq!(instruction.operands(), current.operands);\n        assert_eq!(current.instruction.name(), current.name);\n        // -\u003e String to Instruction\n        assert!(matches!(Chip8CpuInstructions::from_str(\u0026current.name), asm));\n        // ** QUIRKS **\n        assert!(matches!(as_chip8, quirks_chip8));\n        assert!(matches!(as_schip, quirks_schip));\n        assert!(matches!(as_xochip, quirks_xochip));\n    }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","util_tests.rs"],"content":"use std::collections::BTreeMap;\nuse gemma::chip8::util::InstructionUtil;\n\n#[test]\nfn byte_to_bools() {\n    let data_set: BTreeMap\u003cu8, [bool; 8]\u003e = BTreeMap::from(\n        [\n            (0x00, [false, false, false, false, false, false, false, false]),\n            (0x0f, [true, true, true, true, false, false, false, false]),\n            (0xaa, [false, true, false, true, false, true, false, true]),\n            (0xf0, [false, false, false, false, true, true, true, true]),\n            (0xff, [true, true, true, true, true, true, true, true]),\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        let result_array = InstructionUtil::byte_to_bools(*key);\n        for i in 0..8 {\n            assert_eq!(result_array[i], value[i]);\n        }\n    }\n}\n\n\n#[test]\nfn bools_to_byte() {\n    let data_set: BTreeMap\u003cu8, [bool; 8]\u003e = BTreeMap::from(\n        [\n            (0x00, [false, false, false, false, false, false, false, false]),\n            (0x0f, [true, true, true, true, false, false, false, false]),\n            (0xaa, [false, true, false, true, false, true, false, true]),\n            (0xf0, [false, false, false, false, true, true, true, true]),\n            (0xff, [true, true, true, true, true, true, true, true]),\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        let result = InstructionUtil::bools_to_byte(*value);\n        assert_eq!(result, *key);\n    }\n}\n\n#[test]\nfn split_bytes() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from(\n        [\n            (0xff00, (0xff, 0x00)),\n            (0x00ff, (0x00, 0xff)),\n            (0xabcd, (0xab, 0xcd)),\n            (0xcdab, (0xcd, 0xab))\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::split_bytes(*key), *value);\n    }\n}\n\n#[test]\nfn join_bytes() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from(\n        [\n            (0xff00, (0xff, 0x00)),\n            (0x00ff, (0x00, 0xff)),\n            (0xabcd, (0xab, 0xcd)),\n            (0xcdab, (0xcd, 0xab))\n        ]\n    );\n\n    for (key, (low, high )) in data_set.iter() {\n        assert_eq!(InstructionUtil::join_bytes(*low, *high), *key);\n    }\n}\n\n#[test]\nfn swap_endian() {\n    let data_set: BTreeMap\u003cu16, u16\u003e = BTreeMap::from(\n        [\n            (0xabcd, 0xcdab),\n            (0x00ff, 0xff00),\n            (0xff00, 0x00ff),\n            (0xffff, 0xffff),\n            (0x0000, 0x0000)\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::swap_endian(*key), *value);\n    }\n}\n\n#[test]\nfn split_bytes_swap_endian() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from([\n        (0x0000, (0x00, 0x00)),\n        (0xffff, (0xff, 0xff)),\n        (0xff00, (0x00, 0xff)),\n        (0x00ff, (0xff, 0x00)),\n        (0xabcd, (0xcd, 0xab))\n    ]);\n\n    for (key, result) in data_set.iter() {\n        assert_eq!(InstructionUtil::split_bytes_swap_endian(*key), *result)\n    }\n}\n\n#[test]\nfn join_bytes_swap_endian() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from([\n        (0xffff, (0xff, 0xff)),\n        (0x0000, (0x00, 0x00)),\n        (0xff00, (0x00, 0xff)),\n        (0x00ff, (0xff, 0x00)),\n        (0xabcd, (0xcd, 0xab))\n    ]);\n\n    for (key, (low, high)) in data_set.iter() {\n        assert_eq!(InstructionUtil::join_bytes_swap_endian(*low, *high), *key);\n    }\n\n}\n\n#[test]\nfn read_address_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u16\u003e = BTreeMap::from([\n        (0xabcd, 0x0bcd),\n        (0xffff, 0x0fff),\n        (0x0000, 0x0000),\n        (0x8123, 0x0123)\n    ]) ;\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_addr_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_nibble_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0xabcd, 0x0d),\n    ]);\n\n    for(key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_nibble_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_x_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0x0a00, 0x0a),\n        (0x0b00, 0x0b)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_x_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_y_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0x00a0, 0x0a),\n        (0x00b0, 0x0b)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_y_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_byte_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0xff),\n        (0x0000, 0x00),\n        (0xabcd, 0xcd),\n        (0xcdab, 0xab)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_byte_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_upper_byte_lower_nibble() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0x0000, 0x00),\n        (0xabcd, 0x0b),\n        (0xffff, 0x0f),\n        (0xcdab, 0x0d)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(*key), *value);\n    }\n}\n\n#[test]\nfn read_bits_from_instruction() {\n    let data_set: BTreeMap\u003cu16, (u8, u8, u16)\u003e = BTreeMap::from([\n        (0x0000, (0, 7, 0x00)),\n        (0x0000, (8, 15, 0x00)),\n        (0xffff, (0, 7, 0xff)),\n        (0xffff, (8, 15, 0xff)),\n    ]);\n\n    for (key, (start, end, value)) in data_set.iter() {\n        let result = InstructionUtil::read_bits_from_instruction(*key, *start, *end);\n        assert_eq!(result,  *value);\n    }\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","gemmaegui.rs"],"content":"use crate::support::gemma_egui_support::{EGuiFileList, GemmaEguiSupport};\nuse eframe::egui;\nuse egui::Key;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::path::PathBuf;\nuse std::time::Instant;\n\nmod support;\n\nconst LIN_KEYS: [[(Key, u8); 4]; 4] = [\n    [\n        (Key::Num1, 0x01),\n        (Key::Num2, 0x02),\n        (Key::Num3, 0x03),\n        (Key::Num4, 0x0c),\n    ],\n    [\n        (Key::Q, 0x04),\n        (Key::W, 0x05),\n        (Key::E, 0x06),\n        (Key::R, 0x0d),\n    ],\n    [\n        (Key::A, 0x07),\n        (Key::S, 0x08),\n        (Key::D, 0x09),\n        (Key::F, 0x0e),\n    ],\n    [\n        (Key::Z, 0x0a),\n        (Key::X, 0x00),\n        (Key::C, 0x0b),\n        (Key::V, 0x0F),\n    ],\n];\n\n#[derive(Default)]\nstruct DisplayOptions {\n    pub video: bool,\n    pub registers: bool,\n    pub memory: bool,\n}\npub struct GemmaViewerState {\n    pub selected_file_index: i32,\n    pub selected_filename: String,\n    pub display_options: DisplayOptions,\n}\n\nimpl Default for GemmaViewerState {\n    fn default() -\u003e Self {\n        GemmaViewerState {\n            selected_file_index: -1,\n            selected_filename: String::new(),\n            display_options: Default::default(),\n        }\n    }\n}\n\nimpl GemmaViewerState {\n    pub fn new() -\u003e GemmaViewerState {\n        GemmaViewerState {\n            ..Default::default()\n        }\n    }\n}\n\nfn main() -\u003e eframe::Result {\n    println!(\"Taxation is Theft\");\n\n    let mut computer = Chip8ComputerManager::new();\n    let mut state = GemmaViewerState::new();\n\n    let options = eframe::NativeOptions {\n        viewport: egui::ViewportBuilder::default().with_inner_size([320.0, 240.0]),\n        ..Default::default()\n    };\n\n    eframe::run_simple_native(\"EGUI Gemma\", options, move |ctx, _frame| {\n        catppuccin_egui::set_theme(ctx, catppuccin_egui::MOCHA);\n        egui::CentralPanel::default().show(ctx, |ui| {\n            let frame_start_time = Instant::now();\n\n            let local_computer = computer.state();\n            //if state.display_video {\n            GemmaEguiSupport::video_view(local_computer, ui);\n            // }\n\n            ui.heading(\"EGUI Gemma\");\n\n            //  if state.display_memory {\n            GemmaEguiSupport::memory_view(local_computer, ui);\n            //  }\n\n            //  if state.display_registers {\n            GemmaEguiSupport::registers_view(local_computer, ui);\n            //  }\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                if ui.button(\"Start\").clicked() {\n                    computer.start();\n                }\n                if ui.button(\"Step\").clicked() {\n                    computer.step();\n                }\n\n                if ui.button(\"Stop\").clicked() {\n                    computer.stop();\n                    //     state.is_running = false;\n                }\n                if ui.button(\"Reset\").clicked() {\n                    computer.reset(computer.quirks_mode());\n                    //   state.is_running = false;\n                }\n            });\n\n            if ui\n                .button(format!(\"Load {}\", state.selected_filename))\n                .clicked()\n            {\n                // println!(\"Should load the bin now\");\n                let read_bin = std::fs::read(PathBuf::from(format!(\n                    \"resources/roms/{}\",\n                    state.selected_filename\n                )))\n                .unwrap();\n                computer.load_new_program_to_system_memory(read_bin);\n            };\n            EGuiFileList::display_path(\n                PathBuf::from(\"resources/roms\"),\n                \u0026mut state.selected_filename,\n                ui,\n            );\n            ctx.input(|input| {\n                // loop through the keys we are checking...\n                for row in LIN_KEYS {\n                    for (keyboard_key, keypad_key) in row {\n                        if input.key_pressed(keyboard_key) {\n                            computer.press_key(keypad_key);\n                            // println!(\"KEY {keypad_key:02x} DOWN\");\n                        } else {\n                            // release it if the user just did\n                            if computer.is_key_pressed(keypad_key) {\n                                computer.release_key(keypad_key);\n                                //    println!(\"KEY {keypad_key:02x} up\");\n                            }\n                        }\n                    }\n                }\n            });\n\n            // run our target number of ticks in the amount of available time.\n            let time_consumed = Instant::now().duration_since(frame_start_time).as_millis();\n            let mut num_ticks = 0;\n            while num_ticks \u003c 1000 {\n                computer.tick();\n                num_ticks += 1;\n            }\n            ctx.request_repaint();\n        });\n    })\n}\n","traces":[{"line":51,"address":[3676112,3676280],"length":1,"stats":{"Line":0}},{"line":54,"address":[3676131],"length":1,"stats":{"Line":0}},{"line":55,"address":[3676136,3676193],"length":1,"stats":{"Line":0}},{"line":61,"address":[3676304],"length":1,"stats":{"Line":0}},{"line":68,"address":[3676400,3677415,3677446],"length":1,"stats":{"Line":0}},{"line":69,"address":[3676417],"length":1,"stats":{"Line":0}},{"line":71,"address":[3676481],"length":1,"stats":{"Line":0}},{"line":72,"address":[3676511],"length":1,"stats":{"Line":0}},{"line":75,"address":[3676575,3676620],"length":1,"stats":{"Line":0}},{"line":79,"address":[3654016],"length":1,"stats":{"Line":0}},{"line":80,"address":[3654056],"length":1,"stats":{"Line":0}},{"line":81,"address":[3654100,3654208,3655711],"length":1,"stats":{"Line":0}},{"line":82,"address":[3654233],"length":1,"stats":{"Line":0}},{"line":84,"address":[3654276],"length":1,"stats":{"Line":0}},{"line":86,"address":[3654309],"length":1,"stats":{"Line":0}},{"line":89,"address":[3654319],"length":1,"stats":{"Line":0}},{"line":92,"address":[3654370],"length":1,"stats":{"Line":0}},{"line":96,"address":[3654385],"length":1,"stats":{"Line":0}},{"line":98,"address":[3654499,3656665,3655744],"length":1,"stats":{"Line":0}},{"line":99,"address":[3655883,3655769],"length":1,"stats":{"Line":0}},{"line":100,"address":[3655958],"length":1,"stats":{"Line":0}},{"line":102,"address":[3656097,3655974],"length":1,"stats":{"Line":0}},{"line":103,"address":[3656181],"length":1,"stats":{"Line":0}},{"line":106,"address":[3656320,3656197],"length":1,"stats":{"Line":0}},{"line":107,"address":[3656404],"length":1,"stats":{"Line":0}},{"line":110,"address":[3656420,3656543],"length":1,"stats":{"Line":0}},{"line":111,"address":[3656624],"length":1,"stats":{"Line":0}},{"line":116,"address":[3654950,3654783],"length":1,"stats":{"Line":0}},{"line":117,"address":[3654630],"length":1,"stats":{"Line":0}},{"line":118,"address":[3654902,3654956],"length":1,"stats":{"Line":0}},{"line":121,"address":[3655142,3654994],"length":1,"stats":{"Line":0}},{"line":126,"address":[3655405],"length":1,"stats":{"Line":0}},{"line":128,"address":[3655475],"length":1,"stats":{"Line":0}},{"line":129,"address":[3655422],"length":1,"stats":{"Line":0}},{"line":130,"address":[3655471],"length":1,"stats":{"Line":0}},{"line":133,"address":[3656688,3657346,3655485],"length":1,"stats":{"Line":0}},{"line":135,"address":[3656937,3656713,3656870],"length":1,"stats":{"Line":0}},{"line":136,"address":[3656953,3657127,3657197],"length":1,"stats":{"Line":0}},{"line":137,"address":[3657189,3657225],"length":1,"stats":{"Line":0}},{"line":138,"address":[3657281,3657341],"length":1,"stats":{"Line":0}},{"line":142,"address":[3657254,3657304],"length":1,"stats":{"Line":0}},{"line":143,"address":[3657317],"length":1,"stats":{"Line":0}},{"line":152,"address":[3655497],"length":1,"stats":{"Line":0}},{"line":153,"address":[3655596],"length":1,"stats":{"Line":0}},{"line":154,"address":[3655607,3655693],"length":1,"stats":{"Line":0}},{"line":155,"address":[3655655],"length":1,"stats":{"Line":0}},{"line":156,"address":[3655664,3655695],"length":1,"stats":{"Line":0}},{"line":158,"address":[3655625],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":48},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","gemma_egui_state.rs"],"content":"use std::ops::Range;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\n\npub struct GemmaEGuiState {\n    pub display_video: bool,\n    pub display_memory: bool,\n    pub display_registers: bool,\n    pub memory_view: Range\u003ci32\u003e,\n    pub computer: Chip8ComputerManager,\n    pub selected_rom_filename: String\n}\n\nimpl Default for GemmaEGuiState {\n    fn default() -\u003e Self {\n        Self {\n            display_video: true,\n            display_memory: true,\n            display_registers: true,\n            memory_view: 0x00..0x200,\n            computer: Chip8ComputerManager::new(),\n            selected_rom_filename: String::new()\n        }\n    }\n}\n","traces":[{"line":14,"address":[3690256,3690467],"length":1,"stats":{"Line":0}},{"line":20,"address":[3690273],"length":1,"stats":{"Line":0}},{"line":21,"address":[3690295],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":3},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","gemma_egui_support.rs"],"content":"use crate::Chip8Computer;\nuse egui::Rect;\nuse egui::Ui;\nuse egui::Vec2;\nuse egui::{Align, Color32, ComboBox, Pos2};\nuse std::fs::read_dir;\nuse std::path::PathBuf;\n\nconst CELL_WIDTH: f32 = 5.0;\nconst CELL_HEIGHT: f32 = 5.0;\n\npub struct EGuiFileList {}\nimpl EGuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026mut String, ui: \u0026mut Ui) {\n        let working_filename = selected_filename.clone();\n        ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n            //  ui.label(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to Load Path\")));\n            ComboBox::from_label(\"Select ROM\")\n                .selected_text(selected_filename.clone())\n                .show_ui(ui, |ui| {\n                    let mut sorted_options = vec![];\n                    for option in read_dir(root.as_path()).unwrap() {\n                        let to_push = option\n                            .unwrap()\n                            .file_name()\n                            .into_string()\n                            .unwrap_or(String::new());\n                        sorted_options.push(to_push);\n                    }\n\n                    sorted_options.sort();\n                    for item in sorted_options {\n                        // Add each option to the ComboBox\n                        if ui\n                            .selectable_label(selected_filename.eq(\u0026item.as_str()), item.clone())\n                            .clicked()\n                        {\n                            *selected_filename = item;\n                        }\n                    }\n                });\n            // Display the selected option\n        });\n    }\n}\n\npub struct GemmaEguiSupport {}\n\nimpl GemmaEguiSupport {\n    pub fn controls_view(system: \u0026mut Chip8Computer, ui: \u0026mut Ui) {\n        ui.with_layout(egui::Layout::left_to_right(Align::TOP), |ui| {\n            //    ui.checkbox(\u0026mut state.display_memory, \"Display Memory\");\n            //    ui.checkbox(\u0026mut state.display_video, \"Display Video\");\n            //   ui.checkbox(\u0026mut state.display_registers, \"Display Registers\");\n        });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(format!(\n            \"V0-7: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x00),\n            system.registers.peek(0x01),\n            system.registers.peek(0x02),\n            system.registers.peek(0x03),\n            system.registers.peek(0x04),\n            system.registers.peek(0x05),\n            system.registers.peek(0x06),\n            system.registers.peek(0x07)\n        ));\n        ui.label(format!(\n            \"V8-F: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x08),\n            system.registers.peek(0x09),\n            system.registers.peek(0x0A),\n            system.registers.peek(0x0B),\n            system.registers.peek(0x0C),\n            system.registers.peek(0x0D),\n            system.registers.peek(0x0E),\n            system.registers.peek(0x0F)\n        ));\n        ui.label(format!(\n            \"PC: {:04x}\\tI: {:04x}\",\n            system.registers.peek_pc(),\n            system.registers.peek_i()\n        ));\n    }\n\n    pub fn video_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        let (_resp, painter) = ui.allocate_painter(Vec2::new(350.0, 165.0), egui::Sense::hover());\n        for current_row in 0..32 {\n            for current_col in 0..64 {\n                let data_offset = current_row * 64 + current_col;\n                let x_offset = current_col as f32 * CELL_WIDTH;\n                let y_offset = current_row as f32 * CELL_HEIGHT;\n                let origin = Pos2::new(x_offset, y_offset);\n                let colour = if system.video_memory.peek(data_offset) {\n                    Color32::RED\n                } else {\n                    Color32::WHITE\n                };\n                let rect = Rect::from_min_size(origin, Vec2::new(CELL_WIDTH, CELL_HEIGHT));\n                painter.rect_filled(rect, 0.0, colour);\n                // println!(\"Cell {current_col}x{current_row} at {}x{} -\u003e {}\",\n                //          origin.x, origin.y,\n                //          system.video_memory.peek(data_offset));\n            }\n        }\n        //    thread::sleep(Duration::from_secs(1));\n    }\n\n    pub fn memory_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(\"Memory View\");\n\n        for i in (0..=0x200).step_by(16) {\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                for y in 0..16 {\n                    ui.label(format!(\"{:02x}\", system.memory.peek((i + y) as u16)).as_str());\n                }\n            });\n        }\n        ui.label(\"Should have **something** to adjust the 'memory window'\");\n    }\n}\n","traces":[{"line":14,"address":[3682720,3683153],"length":1,"stats":{"Line":0}},{"line":15,"address":[3682750],"length":1,"stats":{"Line":0}},{"line":16,"address":[3666064,3666307,3666339],"length":1,"stats":{"Line":0}},{"line":18,"address":[3666270,3666094,3666204],"length":1,"stats":{"Line":0}},{"line":19,"address":[3666320,3666139,3666252],"length":1,"stats":{"Line":0}},{"line":20,"address":[3666352,3668143,3668571,3666260],"length":1,"stats":{"Line":0}},{"line":21,"address":[3666388],"length":1,"stats":{"Line":0}},{"line":22,"address":[3666947,3666549,3668522,3666775,3666445,3666914],"length":1,"stats":{"Line":0}},{"line":23,"address":[3668261,3668329,3668174],"length":1,"stats":{"Line":0}},{"line":26,"address":[3668268],"length":1,"stats":{"Line":0}},{"line":27,"address":[3668284,3668549,3668201,3668368],"length":1,"stats":{"Line":0}},{"line":28,"address":[3668440],"length":1,"stats":{"Line":0}},{"line":31,"address":[3667189],"length":1,"stats":{"Line":0}},{"line":32,"address":[3668119,3667463,3667223,3667413],"length":1,"stats":{"Line":0}},{"line":34,"address":[3668106,3667684,3667862],"length":1,"stats":{"Line":0}},{"line":35,"address":[3667613,3667503],"length":1,"stats":{"Line":0}},{"line":36,"address":[3667868,3667814],"length":1,"stats":{"Line":0}},{"line":38,"address":[3667925],"length":1,"stats":{"Line":0}},{"line":50,"address":[3683184],"length":1,"stats":{"Line":0}},{"line":51,"address":[3668608],"length":1,"stats":{"Line":0}},{"line":58,"address":[3683424],"length":1,"stats":{"Line":0}},{"line":59,"address":[3683733,3685525,3683635,3683488,3683684,3683586,3683831,3683537,3683782],"length":1,"stats":{"Line":0}},{"line":61,"address":[3683469],"length":1,"stats":{"Line":0}},{"line":62,"address":[3683515],"length":1,"stats":{"Line":0}},{"line":63,"address":[3683564],"length":1,"stats":{"Line":0}},{"line":64,"address":[3683613],"length":1,"stats":{"Line":0}},{"line":65,"address":[3683662],"length":1,"stats":{"Line":0}},{"line":66,"address":[3683711],"length":1,"stats":{"Line":0}},{"line":67,"address":[3683760],"length":1,"stats":{"Line":0}},{"line":68,"address":[3683809],"length":1,"stats":{"Line":0}},{"line":70,"address":[3685582,3687619,3685827,3685631,3685876,3685925,3685680,3685729,3685778],"length":1,"stats":{"Line":0}},{"line":72,"address":[3685560],"length":1,"stats":{"Line":0}},{"line":73,"address":[3685609],"length":1,"stats":{"Line":0}},{"line":74,"address":[3685658],"length":1,"stats":{"Line":0}},{"line":75,"address":[3685707],"length":1,"stats":{"Line":0}},{"line":76,"address":[3685756],"length":1,"stats":{"Line":0}},{"line":77,"address":[3685805],"length":1,"stats":{"Line":0}},{"line":78,"address":[3685854],"length":1,"stats":{"Line":0}},{"line":79,"address":[3685903],"length":1,"stats":{"Line":0}},{"line":81,"address":[3688254,3687678,3687723],"length":1,"stats":{"Line":0}},{"line":83,"address":[3687660],"length":1,"stats":{"Line":0}},{"line":84,"address":[3687705],"length":1,"stats":{"Line":0}},{"line":88,"address":[3688304,3689696],"length":1,"stats":{"Line":0}},{"line":89,"address":[3688359],"length":1,"stats":{"Line":0}},{"line":90,"address":[3688753,3688857,3688671],"length":1,"stats":{"Line":0}},{"line":91,"address":[3688878,3688976],"length":1,"stats":{"Line":0}},{"line":92,"address":[3689260,3689091],"length":1,"stats":{"Line":0}},{"line":93,"address":[3689180],"length":1,"stats":{"Line":0}},{"line":94,"address":[3689214],"length":1,"stats":{"Line":0}},{"line":95,"address":[3689300],"length":1,"stats":{"Line":0}},{"line":96,"address":[3689336,3689381],"length":1,"stats":{"Line":0}},{"line":97,"address":[3689383],"length":1,"stats":{"Line":0}},{"line":99,"address":[3689368],"length":1,"stats":{"Line":0}},{"line":102,"address":[3689610],"length":1,"stats":{"Line":0}},{"line":111,"address":[3689728],"length":1,"stats":{"Line":0}},{"line":112,"address":[3689760],"length":1,"stats":{"Line":0}},{"line":114,"address":[3689794,3690006],"length":1,"stats":{"Line":0}},{"line":115,"address":[3669272,3668624],"length":1,"stats":{"Line":0}},{"line":116,"address":[3668654,3668712],"length":1,"stats":{"Line":0}},{"line":117,"address":[3669132,3668723],"length":1,"stats":{"Line":0}},{"line":121,"address":[3689949],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":61},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","mod.rs"],"content":"pub mod gemma_egui_state;\npub mod gemma_egui_support;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","gemmaimgui.rs"],"content":"use clap::{Parser, Subcommand};\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::path::Path;\nuse std::time::Instant;\nuse std::{default::Default, path::PathBuf};\nuse support::ui_state::ROMPATH_DEFAULT;\nuse support::{emmagui_support::GemmaImguiSupport, ui_state::ImGuiUiState};\n\nmod support;\n\n/// Keypad Mappings for my Linux box\n/// 1 2 3 C\n/// 4 5 6 D\n/// 7 8 9 E\n/// A 0 B F\n\nconst LIN_KEYS: [(u16, u8); 0x10] = [\n    (537, 0x01),\n    (538, 0x02),\n    (539, 0x03),\n    (540, 0x0c),\n    (562, 0x04),\n    (568, 0x05),\n    (550, 0x06),\n    (563, 0x0d),\n    (546, 0x7),\n    (564, 0x8),\n    (549, 0x9),\n    (551, 0xe),\n    (571, 0xa),\n    (569, 0x0),\n    (548, 0xb),\n    (567, 0xf),\n];\n\n#[derive(Parser)]\n#[command(version, about, long_about = None)]\nstruct GemmaImguiCLIOptions {\n    roms_directory: Option\u003cPathBuf\u003e,\n}\n\nfn main() {\n    pretty_env_logger::init();\n\n    let cli_options = GemmaImguiCLIOptions::parse();\n\n    let mut system = Chip8ComputerManager::default();\n    println!(\"GOT A ROMS_DIRECTORY =\u003e [{:?}]\", cli_options.roms_directory);\n    println!(\"{:?}\", std::env::var(\"PWD\"));\n    let mut ui_state = if cli_options.roms_directory.is_none() {\n        ImGuiUiState::new(Some(PathBuf::from(ROMPATH_DEFAULT)))\n    } else {\n        ImGuiUiState::new(cli_options.roms_directory)\n    };\n\n    support::simple_init(file!(), move |_, ui| {\n        let current_time = Instant::now();\n        let mut num_cycles = 0;\n\n        // Key Checks\n        let down_keys = ui.io().keys_down;\n\n        // START DEBUG CODE TO DISPLAY WHAT KEYS WE TRAPPED\n        for (idx, val) in down_keys.iter().enumerate() {\n            if *val {\n                println!(\"{idx} = {val}\");\n            }\n        }\n        // END DEBUG CODE\n\n        for (key_code, key_reg) in LIN_KEYS {\n            if down_keys[key_code as usize] {\n                system.press_key(key_reg);\n                system.wait_for_instruction();\n            } else {\n                // do we need to release it?\n\n                if system.is_key_pressed(key_reg) {\n                    system.release_key(key_reg);\n                }\n            }\n        }\n\n        let target_ms = ui_state.frame_time;\n        let loop_start_time = Instant::now();\n        while Instant::now().duration_since(current_time).as_millis() \u003c target_ms as u128\n            \u0026\u0026 num_cycles \u003c ui_state.target_ips\n        {\n            if system.tick() {\n                num_cycles += 1;\n            }\n        }\n        let cycles_time = Instant::now().duration_since(loop_start_time);\n        if num_cycles \u003e 0 {\n            println!(\n                \"Ran for {}ms and executed {}/{} cycles.\",\n                cycles_time.as_millis(),\n                num_cycles,\n                ui_state.target_ips\n            );\n        }\n        // GUI Parts\n        if ui_state.show_video {\n            GemmaImguiSupport::video_display(system.state(), \u0026ui_state, ui);\n        }\n\n        GemmaImguiSupport::system_controls(\u0026mut system, \u0026mut ui_state, ui);\n\n        if ui_state.show_registers {\n            GemmaImguiSupport::registers_view(system.state(), ui);\n        }\n\n        if ui_state.show_memory {\n            let active_instruction = system.state().registers.peek_pc();\n            GemmaImguiSupport::hex_memory_display(\n                system.state().memory.clone(),\n                (0x100, 0x10),\n                active_instruction as i16,\n                ui,\n            );\n        }\n\n        if ui_state.show_keypad {\n            GemmaImguiSupport::keypad_display(system.state(), ui);\n        }\n    });\n}\n","traces":[{"line":42,"address":[4454496,4455336,4455308],"length":1,"stats":{"Line":0}},{"line":43,"address":[4454503],"length":1,"stats":{"Line":0}},{"line":45,"address":[4454528],"length":1,"stats":{"Line":0}},{"line":47,"address":[4454546],"length":1,"stats":{"Line":0}},{"line":48,"address":[4454669,4454603],"length":1,"stats":{"Line":0}},{"line":49,"address":[4454738],"length":1,"stats":{"Line":0}},{"line":50,"address":[4454929],"length":1,"stats":{"Line":0}},{"line":51,"address":[4455201,4455007],"length":1,"stats":{"Line":0}},{"line":53,"address":[4454950,4455041],"length":1,"stats":{"Line":0}},{"line":56,"address":[4344512,4346125],"length":1,"stats":{"Line":0}},{"line":57,"address":[4344553],"length":1,"stats":{"Line":0}},{"line":58,"address":[4344588],"length":1,"stats":{"Line":0}},{"line":61,"address":[4344596],"length":1,"stats":{"Line":0}},{"line":64,"address":[4344627,4344862],"length":1,"stats":{"Line":0}},{"line":65,"address":[4344894],"length":1,"stats":{"Line":0}},{"line":66,"address":[4346147],"length":1,"stats":{"Line":0}},{"line":71,"address":[4344788,4344981,4344924,4345113],"length":1,"stats":{"Line":0}},{"line":72,"address":[4345147,4345974],"length":1,"stats":{"Line":0}},{"line":73,"address":[4346049],"length":1,"stats":{"Line":0}},{"line":74,"address":[4346109],"length":1,"stats":{"Line":0}},{"line":78,"address":[4346022,4346067],"length":1,"stats":{"Line":0}},{"line":79,"address":[4346085],"length":1,"stats":{"Line":0}},{"line":84,"address":[4345064],"length":1,"stats":{"Line":0}},{"line":85,"address":[4345081],"length":1,"stats":{"Line":0}},{"line":86,"address":[4345172],"length":1,"stats":{"Line":0}},{"line":87,"address":[4345350],"length":1,"stats":{"Line":0}},{"line":89,"address":[4345367,4345948],"length":1,"stats":{"Line":0}},{"line":90,"address":[4345925,4345953],"length":1,"stats":{"Line":0}},{"line":93,"address":[4345272],"length":1,"stats":{"Line":0}},{"line":94,"address":[4345336],"length":1,"stats":{"Line":0}},{"line":95,"address":[4345438],"length":1,"stats":{"Line":0}},{"line":97,"address":[4345417],"length":1,"stats":{"Line":0}},{"line":103,"address":[4345391],"length":1,"stats":{"Line":0}},{"line":104,"address":[4345698],"length":1,"stats":{"Line":0}},{"line":107,"address":[4345662],"length":1,"stats":{"Line":0}},{"line":109,"address":[4345682],"length":1,"stats":{"Line":0}},{"line":110,"address":[4345752],"length":1,"stats":{"Line":0}},{"line":113,"address":[4345736],"length":1,"stats":{"Line":0}},{"line":114,"address":[4345794],"length":1,"stats":{"Line":0}},{"line":115,"address":[4345863],"length":1,"stats":{"Line":0}},{"line":116,"address":[4345831],"length":1,"stats":{"Line":0}},{"line":123,"address":[4345778],"length":1,"stats":{"Line":0}},{"line":124,"address":[4345904],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":43},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","emmagui_support.rs"],"content":"use crate::support::gui_file_list::GuiFileList;\nuse crate::ImGuiUiState;\nuse dimensioned::ucum::f32consts::CUP_M;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::computer_manager::ManagerDumpables::{Keyboard, Registers, Video};\nuse gemma::chip8::quirk_modes::QuirkMode::{self, *};\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::constants::CHIP8_KEYBOARD;\nuse imgui::{CollapsingHeader, Condition, ImColor32, Ui};\nuse log::debug;\nuse std::fs::File;\nuse std::io::Read;\nuse std::path::{Path, PathBuf};\n\nconst ROM_ROOT: \u0026str = \"resources/roms\";\n\npub struct GemmaImguiSupport {}\n\nconst CELL_WIDTH: i32 = 5i32;\nconst CELL_HEIGHT: i32 = 5i32;\n\nimpl GemmaImguiSupport {\n    pub fn keypad_display(system_to_display: \u0026Chip8Computer, ui: \u0026Ui) {\n        ui.window(\"Keypad\".to_string())\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                for row in CHIP8_KEYBOARD {\n                    for key in row {\n                        let label = if system_to_display.keypad.pressed(key) {\n                            format!(\"*{:1x}*\", key)\n                        } else {\n                            format!(\"{:1x}\", key)\n                        };\n                        ui.text(\u0026label);\n                        ui.same_line();\n                    }\n                    ui.text(\"\");\n                }\n            });\n    }\n\n    pub fn video_display(system_to_control: \u0026Chip8Computer, gui_state: \u0026ImGuiUiState, ui: \u0026Ui) {\n        // draw area size\n        let (width, height) = system_to_control.video_memory.get_resolution();\n        let draw_area_size = ui.io().display_size;\n        //  println!(\"DRAW_AREA_SIZE = {}x{}\", draw_area_size[0], draw_area_size[1]);\n        let cell_width = ((draw_area_size[0] as i32 / width) * 6) / 10;\n        let cell_height = ((draw_area_size[1] as i32 / height) * 6) / 10;\n\n        let origin = ui.cursor_pos();\n        let fg = ui.get_foreground_draw_list();\n        if system_to_control.video_memory.is_highres() {\n            // ui.text(\"High Def Video here\");\n            for current_row in 0..=height {\n                let y_offset = origin[1] as i32 + (current_row * cell_height);\n                for current_column in 0..=width {\n                    let x_offset = origin[0] as i32 + (current_column * cell_width);\n                    let current_origin = [x_offset as f32, y_offset as f32];\n                    let current_limit = [\n                        (x_offset + cell_width) as f32,\n                        (y_offset + cell_height) as f32,\n                    ];\n                    let memory_offset = (current_row * width + current_column) as u16;\n                    let to_render = system_to_control.video_memory.peek(memory_offset);\n                    let color: ImColor32 = if to_render {\n                        gui_state.on_colour\n                    } else {\n                        gui_state.off_colour\n                    };\n                    fg.add_rect_filled_multicolor(\n                        current_origin,\n                        current_limit,\n                        color,\n                        color,\n                        color,\n                        color,\n                    );\n                }\n            }\n        } else {\n            for current_row in 0..height {\n                let y_offset = origin[1] as i32 + (current_row * cell_height);\n                for current_column in 0..width {\n                    let x_offset = origin[0] as i32 + (current_column * cell_width);\n                    let current_origin = [x_offset as f32, y_offset as f32];\n                    let current_limit = [\n                        (x_offset + cell_width) as f32,\n                        (y_offset + cell_height) as f32,\n                    ];\n                    let memory_offset = (current_row * width + current_column) as u16;\n                    let to_render = system_to_control.video_memory.peek(memory_offset);\n                    let color: ImColor32 = if to_render {\n                        gui_state.on_colour\n                    } else {\n                        gui_state.off_colour\n                    };\n                    fg.add_rect_filled_multicolor(\n                        current_origin,\n                        current_limit,\n                        color,\n                        color,\n                        color,\n                        color,\n                    );\n                }\n            }\n        }\n    }\n    pub fn system_controls(\n        system_to_control: \u0026mut Chip8ComputerManager,\n        gui_state: \u0026mut ImGuiUiState,\n        ui: \u0026Ui,\n    ) {\n        // let mut state: Chip8Computer = system_to_control;\n        ui.window(\"!!!! CONTROLS !!!!\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                /* System Step Counter */\n                ui.text(format!(\"Step {:04x}\", system_to_control.num_cycles()).as_str());\n                ui.text(format!(\"Mode {}\", system_to_control.quirks_mode()));\n                /* ROM Lister */\n                if CollapsingHeader::new(\"Roms\").build(ui) {\n                    let new_filename = GuiFileList::display_path(\n                        gui_state.roms_root_path.clone(),\n                        \u0026gui_state.filename_to_load,\n                        ui,\n                    );\n                    if !new_filename.is_empty() {\n                        if new_filename != gui_state.filename_to_load {\n                            debug!(\"NEW FILENAME SELECTED -\u003e {new_filename}\");\n                            gui_state.filename_to_load = new_filename;\n                        }\n                        if ui.button(\"Load Program\") {\n                            let mut buffer: Vec\u003cu8\u003e = Vec::new();\n                            let full_name = format!(\n                                \"{}/{}\",\n                                gui_state\n                                    .roms_root_path\n                                    .clone()\n                                    .as_os_str()\n                                    .to_string_lossy(),\n                                gui_state.filename_to_load.to_string()\n                            );\n                            debug!(\"PREPARING TO LOAD {}\", full_name);\n\n                            let input_file = File::open(Path::new(\u0026full_name));\n                            input_file\n                                .unwrap()\n                                .read_to_end(\u0026mut buffer)\n                                .expect(\"Unable to read rom.\");\n                            system_to_control.load_new_program_to_system_memory(buffer);\n                        }\n                    }\n                }\n\n                if CollapsingHeader::new(\"Controls\").build(ui) {\n                    // if the system has no program loaded hide the buttons.\n                    let bytes: [u8; 2] = [\n                        system_to_control.state().memory.peek(0x200),\n                        system_to_control.state().memory.peek(0x201),\n                    ];\n                    let show_buttons = bytes[0] != 0 || bytes[1] == 0xe0;\n\n                    if show_buttons {\n                        if ui.button(\"Step\") {\n                            system_to_control.step();\n                        };\n                        ui.same_line();\n                        if ui.button(\"Run\") {\n                            system_to_control.start();\n                        }\n                    }\n                    ui.same_line();\n                    if ui.button(\"Stop\") {\n                        system_to_control.stop();\n                    }\n                    ui.same_line();\n                    if ui.button(\"Reset\") {\n                        system_to_control.reset(system_to_control.quirks_mode());\n                    }\n                    if ui.button(\"Dump Video Memory\") {\n                        println!(\"{}\", system_to_control.dump_to_string(Video));\n                    }\n                    ui.same_line();\n                    if ui.button(\"Dump Keypad State\") {\n                        debug!(\"{}\", system_to_control.dump_to_string(Keyboard));\n                    }\n                    ui.same_line();\n                    if ui.button(\"Dump Registers\") {\n                        debug!(\"{}\", system_to_control.dump_to_string(Registers));\n                    }\n                }\n\n                if CollapsingHeader::new(\"Options\").build(ui) {\n                    ui.checkbox(\"Show Memory\", \u0026mut gui_state.show_memory);\n                    ui.same_line();\n                    ui.checkbox(\"Show Video\", \u0026mut gui_state.show_video);\n                    ui.same_line();\n                    ui.checkbox(\"Show Registers\", \u0026mut gui_state.show_registers);\n                    ui.same_line();\n                    ui.checkbox(\"Show Keypad\", \u0026mut gui_state.show_keypad);\n                    ui.input_int(\"Target IPS\", \u0026mut gui_state.target_ips)\n                        .build();\n                };\n\n                let selectors = [Chip8, SChipModern, XOChip];\n                for current_selector in selectors {\n                    let mut working_selector =\n                        ui.selectable_config(current_selector.clone().to_string());\n                    match system_to_control.quirks_mode() {\n                        Chip8 =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                        SChipModern =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                        XOChip =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                    }\n                    if working_selector.build() {\n                        system_to_control.reset(current_selector);\n                        println!(\"CLICK ON {}\", \u0026current_selector);\n                    }\n                }\n            });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026Ui) {\n        ui.window(\"Registers\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                ui.text(\"Registers\");\n                for i in 1..0x10 {\n                    ui.text(format!(\"V{:X}: {}\", i, system.registers.peek(i)));\n                    if i != 7 {\n                        ui.same_line();\n                    }\n                }\n                ui.text(\"\");\n                ui.text(format!(\"I: {:03X}\", system.registers.peek_i()));\n                ui.same_line();\n                ui.text(format!(\"ST: {:02X}\", system.sound_timer.current()));\n                ui.same_line();\n                ui.text(format!(\"DT: {:02X}\", system.delay_timer.current()));\n                ui.text(format!(\"PC: {:02X}\", system.registers.peek_pc()));\n                ui.text(format!(\"SP: {:02X}\", system.stack.depth()));\n            });\n    }\n\n    pub fn hex_memory_display(\n        bytes: Chip8SystemMemory,\n        position: (i32, i32),\n        active: i16,\n        ui: \u0026Ui,\n    ) {\n        let rows = position.0;\n        let cols = position.1;\n        ui.window(\"System Memory\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                let mut current_x_hover: i32 = 0;\n                let mut current_y_hover: i32 = 0;\n                // display a block of data\n                for current_row in 0..rows {\n                    ui.text(format!(\"{:02x}\", current_row * cols));\n                    ui.same_line();\n                    for current_column in 0..cols {\n                        let data_offset = current_row * cols + current_column;\n                        let formatted_text = format!(\"{:02x}\", bytes.peek(data_offset as u16));\n                        let text_location = ui.cursor_screen_pos();\n                        let text_size = ui.calc_text_size(formatted_text.clone());\n                        let bounding_box = imgui::sys::ImVec2 {\n                            x: text_location[0] + text_size[0],\n                            y: text_location[1] + text_size[1],\n                        };\n\n                        let hovering = ui.is_mouse_hovering_rect(\n                            text_location,\n                            [bounding_box.x, bounding_box.y],\n                        );\n                        let is_active = data_offset == active as i32;\n\n                        ui.text_colored(\n                            if hovering {\n                                [0., 1., 1., 1.]\n                            } else if is_active {\n                                [1., 0., 1., 1.]\n                            } else {\n                                [1., 1., 0., 1.]\n                            },\n                            formatted_text.clone(),\n                        );\n\n                        // if we are hovering show that at the bottom...\n                        if hovering {\n                            // Optionally change the text color to indicate it's interactable\n                            current_x_hover = current_column;\n                            current_y_hover = current_row;\n\n                            // Check if the left mouse button is clicked while hovering over the text\n                            if ui.is_mouse_clicked(imgui::MouseButton::Left) {\n                                debug!(\n                                    \"Offset: [{}] [0x{:02x}] Value: [{}]\",\n                                    data_offset,\n                                    data_offset,\n                                    formatted_text.clone()\n                                );\n                                // Perform any action here, e.g., call a function, trigger an event, etc.\n                            }\n                        }\n\n                        // are we on the same line?\n                        if current_column != (cols - 1) {\n                            ui.same_line();\n                        }\n                    }\n                }\n                ui.text(format!(\n                    \"Offset 0x{:03x}\",\n                    current_x_hover * cols + current_y_hover\n                ));\n            });\n    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std::ffi::OsString;\nuse std::fs::read_dir;\nuse std::path::PathBuf;\nuse imgui::Ui;\nuse log::debug;\n\npub struct GuiFileList {}\n\nimpl GuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026String, ui: \u0026Ui) -\u003e String {\n        let mut working_filename = selected_filename.clone();\n        ui.text(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to parse path\")));\n\n        let mut known_files: Vec\u003cOsString\u003e = vec![];\n\n     //   println!(\"STARTING AT {:?}\", std::env::current_dir());\n        for entry in read_dir(root.as_path()).unwrap() {\n            known_files.push(entry.unwrap().file_name());\n        }\n\n        known_files.sort();\n\n        for (index, entry) in known_files.iter().enumerate() {\n            let mut working_select = ui.selectable_config(entry.clone().into_string().unwrap().to_string());\n            if *entry.to_str().unwrap() == *selected_filename.as_str() {\n                working_select = working_select.selected(true);\n            }\n            if working_select.build() {\n                debug!(\"SELECTED {index} / {entry:?}\");\n                working_filename = entry.clone().into_string().unwrap();\n            };\n        }\n        working_filename\n    }\n}\n","traces":[{"line":10,"address":[3799608,3796000,3799758],"length":1,"stats":{"Line":0}},{"line":11,"address":[3796074,3796161],"length":1,"stats":{"Line":0}},{"line":12,"address":[3796246,3796520,3796169],"length":1,"stats":{"Line":0}},{"line":14,"address":[3796527],"length":1,"stats":{"Line":0}},{"line":17,"address":[3797141,3796554,3797112,3796709,3796953],"length":1,"stats":{"Line":0}},{"line":18,"address":[3799617],"length":1,"stats":{"Line":0}},{"line":21,"address":[3797389],"length":1,"stats":{"Line":0}},{"line":23,"address":[3797435,3798765,3797769],"length":1,"stats":{"Line":0}},{"line":24,"address":[3798126,3797801,3797878],"length":1,"stats":{"Line":0}},{"line":25,"address":[3798302,3798742,3798491],"length":1,"stats":{"Line":0}},{"line":26,"address":[3798624],"length":1,"stats":{"Line":0}},{"line":28,"address":[3798549,3798751,3799585],"length":1,"stats":{"Line":0}},{"line":29,"address":[3798770,3798890],"length":1,"stats":{"Line":0}},{"line":30,"address":[3799427,3799198,3798822],"length":1,"stats":{"Line":0}},{"line":33,"address":[3797719],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":15},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","mod.rs"],"content":"use glium::glutin::surface::WindowSurface;\nuse glium::{Display, Surface};\nuse imgui::{Context, FontConfig, FontGlyphRanges, FontSource, Ui};\nuse imgui_glium_renderer::Renderer;\nuse imgui_winit_support::winit::event::{Event, WindowEvent};\nuse imgui_winit_support::winit::event_loop::EventLoop;\nuse imgui_winit_support::winit::window::WindowBuilder;\nuse imgui_winit_support::{HiDpiMode, WinitPlatform};\nuse std::path::Path;\nuse std::time::Instant;\n\npub mod ui_state;\npub mod emmagui_support;\nmod gui_file_list;\n\nuse copypasta::{ClipboardContext, ClipboardProvider};\nuse imgui::ClipboardBackend;\n\npub struct ClipboardSupport(pub ClipboardContext);\n\npub fn clipboard_init() -\u003e Option\u003cClipboardSupport\u003e {\n    ClipboardContext::new().ok().map(ClipboardSupport)\n}\n\nimpl ClipboardBackend for ClipboardSupport {\n    fn get(\u0026mut self) -\u003e Option\u003cString\u003e {\n        self.0.get_contents().ok()\n    }\n    fn set(\u0026mut self, text: \u0026str) {\n        // ignore errors?\n        let _ = self.0.set_contents(text.to_owned());\n    }\n}\n\npub const FONT_SIZE: f32 = 13.0;\n\n#[allow(dead_code)] // annoyingly, RA yells that this is unusued\npub fn simple_init\u003cF: FnMut(\u0026mut bool, \u0026mut Ui) + 'static\u003e(title: \u0026str, run_ui: F) {\n    init_with_startup(title, |_, _, _| {}, run_ui);\n}\n\npub fn init_with_startup\u003cFInit, FUi\u003e(title: \u0026str, mut startup: FInit, mut run_ui: FUi)\nwhere\n    FInit: FnMut(\u0026mut Context, \u0026mut Renderer, \u0026Display\u003cWindowSurface\u003e) + 'static,\n    FUi: FnMut(\u0026mut bool, \u0026mut Ui) + 'static,\n{\n    let mut imgui = create_context();\n\n    let title = match Path::new(\u0026title).file_name() {\n        Some(file_name) =\u003e file_name.to_str().unwrap(),\n        None =\u003e title,\n    };\n    let event_loop = EventLoop::new().expect(\"Failed to create EventLoop\");\n\n    let builder = WindowBuilder::new()\n        .with_maximized(true)\n        .with_title(title);\n      //  .with_inner_size(LogicalSize::new(1024, 768));\n    let (window, display) = glium::backend::glutin::SimpleWindowBuilder::new()\n        .set_window_builder(builder)\n        .build(\u0026event_loop);\n    let mut renderer = Renderer::init(\u0026mut imgui, \u0026display).expect(\"Failed to initialize renderer\");\n\n    if let Some(backend) = clipboard_init() {\n        imgui.set_clipboard_backend(backend);\n    } else {\n        eprintln!(\"Failed to initialize clipboard\");\n    }\n\n    let mut platform = WinitPlatform::init(\u0026mut imgui);\n    {\n        let dpi_mode = if let Ok(factor) = std::env::var(\"IMGUI_EXAMPLE_FORCE_DPI_FACTOR\") {\n            // Allow forcing of HiDPI factor for debugging purposes\n            match factor.parse::\u003cf64\u003e() {\n                Ok(f) =\u003e HiDpiMode::Locked(f),\n                Err(e) =\u003e panic!(\"Invalid scaling factor: {}\", e),\n            }\n        } else {\n            HiDpiMode::Default\n        };\n\n        platform.attach_window(imgui.io_mut(), \u0026window, dpi_mode);\n    }\n\n    let mut last_frame = Instant::now();\n\n    startup(\u0026mut imgui, \u0026mut renderer, \u0026display);\n\n    event_loop\n        .run(move |event, window_target| match event {\n            Event::NewEvents(_) =\u003e {\n                let now = Instant::now();\n                imgui.io_mut().update_delta_time(now - last_frame);\n                last_frame = now;\n            }\n            Event::AboutToWait =\u003e {\n                platform\n                    .prepare_frame(imgui.io_mut(), \u0026window)\n                    .expect(\"Failed to prepare frame\");\n                window.request_redraw();\n            }\n            Event::WindowEvent {\n                event: WindowEvent::RedrawRequested,\n                ..\n            } =\u003e {\n                let ui = imgui.frame();\n\n                let mut run = true;\n                run_ui(\u0026mut run, ui);\n                if !run {\n                    window_target.exit();\n                }\n\n                let mut target = display.draw();\n                target.clear_color_srgb(1.0, 1.0, 1.0, 1.0);\n                platform.prepare_render(ui, \u0026window);\n                let draw_data = imgui.render();\n                renderer\n                    .render(\u0026mut target, draw_data)\n                    .expect(\"Rendering failed\");\n                target.finish().expect(\"Failed to swap buffers\");\n            }\n            Event::WindowEvent {\n                event: WindowEvent::Resized(new_size),\n                ..\n            } =\u003e {\n                if new_size.width \u003e 0 \u0026\u0026 new_size.height \u003e 0 {\n                    display.resize((new_size.width, new_size.height));\n                }\n                platform.handle_event(imgui.io_mut(), \u0026window, \u0026event);\n            }\n            Event::WindowEvent {\n                event: WindowEvent::CloseRequested,\n                ..\n            } =\u003e window_target.exit(),\n            event =\u003e {\n                platform.handle_event(imgui.io_mut(), \u0026window, \u0026event);\n            }\n        })\n        .expect(\"EventLoop error\");\n}\n\n/// Creates the imgui context\npub fn create_context() -\u003e imgui::Context {\n    let mut imgui = Context::create();\n    // Fixed font size. Note imgui_winit_support uses \"logical\n    // pixels\", which are physical pixels scaled by the devices\n    // scaling factor. Meaning, 13.0 pixels should look the same size\n    // on two different screens, and thus we do not need to scale this\n    // value (as the scaling is handled by winit)\n    imgui.fonts().add_font(\u0026[\n        FontSource::TtfData {\n            data: include_bytes!(\"../../../../resources/Roboto-Regular.ttf\"),\n            size_pixels: FONT_SIZE,\n            config: Some(FontConfig {\n                // As imgui-glium-renderer isn't gamma-correct with\n                // it's font rendering, we apply an arbitrary\n                // multiplier to make the font a bit \"heavier\". With\n                // default imgui-glow-renderer this is unnecessary.\n                rasterizer_multiply: 1.5,\n                // Oversampling font helps improve text rendering at\n                // expense of larger font atlas texture.\n                oversample_h: 4,\n                oversample_v: 4,\n                ..FontConfig::default()\n            }),\n        },\n        FontSource::TtfData {\n            data: include_bytes!(\"../../../../resources/mplus-1p-regular.ttf\"),\n            size_pixels: FONT_SIZE,\n            config: Some(FontConfig {\n                // Oversampling font helps improve text rendering at\n                // expense of larger font atlas texture.\n                oversample_h: 4,\n                oversample_v: 4,\n                // Range of glyphs to rasterize\n                glyph_ranges: FontGlyphRanges::japanese(),\n                ..FontConfig::default()\n            }),\n        },\n    ]);\n    imgui.set_ini_filename(None);\n\n    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imgui::ImColor32;\nuse std::path::PathBuf;\nuse std::time::Instant;\n\npub const ROMPATH_DEFAULT: \u0026str = \"resources/roms\";\n\npub struct ImGuiUiState {\n    pub show_registers: bool,\n    pub show_memory: bool,\n    pub show_video: bool,\n    pub show_keypad: bool,\n    pub filename_to_load: String,\n    pub on_colour: ImColor32,\n    pub off_colour: ImColor32,\n    pub is_running: bool,\n    pub frame_time: u32,\n    pub last_frame_instant: Instant,\n    pub target_ips: i32,\n    pub roms_root_path: PathBuf\n}\n\nimpl Clone for ImGuiUiState {\n    fn clone(\u0026self) -\u003e Self {\n        ImGuiUiState {\n            show_registers: self.show_registers,\n            show_memory: self.show_memory,\n            show_video: self.show_video,\n            show_keypad: self.show_keypad,\n            filename_to_load: self.filename_to_load.to_string(),\n            on_colour: self.on_colour,\n            off_colour: self.off_colour,\n            is_running: self.is_running,\n            frame_time: self.frame_time,\n            last_frame_instant: self.last_frame_instant,\n            target_ips: self.target_ips,\n            roms_root_path: self.roms_root_path.to_owned()\n        }\n    }\n}\n\nimpl Default for ImGuiUiState {\n    fn default() -\u003e Self {\n        ImGuiUiState {\n            show_registers: false,\n            show_memory: false,\n            show_video: true,\n            show_keypad: true,\n            filename_to_load: String::new(),\n            on_colour: ImColor32::from_rgb(0xff, 0xff, 0x00),\n            off_colour: ImColor32::from_rgb(0x00, 0xff, 0xff),\n            is_running: false,\n            frame_time: 16,\n            last_frame_instant: Instant::now(),\n            target_ips: 200000,\n            roms_root_path: PathBuf::from(ROMPATH_DEFAULT)\n        }\n    }\n}\n\nimpl ImGuiUiState {\n    pub fn new(rom_path: Option\u003cPathBuf\u003e) -\u003e ImGuiUiState {\n        let unwrapped = rom_path.clone().unwrap_or(PathBuf::from(ROMPATH_DEFAULT));\n\n        println!(\"UNWRAPPED =\u003e [{:?}]\", unwrapped);\n\n        ImGuiUiState {\n            roms_root_path: rom_path.unwrap_or(PathBuf::from(ROMPATH_DEFAULT)),\n            ..Default::default()\n        }\n    }\n}\n","traces":[{"line":23,"address":[4275344,4275712],"length":1,"stats":{"Line":0}},{"line":25,"address":[4275376],"length":1,"stats":{"Line":0}},{"line":26,"address":[4275383],"length":1,"stats":{"Line":0}},{"line":27,"address":[4275390],"length":1,"stats":{"Line":0}},{"line":28,"address":[4275397],"length":1,"stats":{"Line":0}},{"line":29,"address":[4275409],"length":1,"stats":{"Line":0}},{"line":30,"address":[4275419],"length":1,"stats":{"Line":0}},{"line":31,"address":[4275426],"length":1,"stats":{"Line":0}},{"line":32,"address":[4275433],"length":1,"stats":{"Line":0}},{"line":33,"address":[4275440],"length":1,"stats":{"Line":0}},{"line":34,"address":[4275447],"length":1,"stats":{"Line":0}},{"line":35,"address":[4275463],"length":1,"stats":{"Line":0}},{"line":36,"address":[4275470],"length":1,"stats":{"Line":0}},{"line":42,"address":[4275744,4276041],"length":1,"stats":{"Line":0}},{"line":48,"address":[4275763],"length":1,"stats":{"Line":0}},{"line":49,"address":[4275775],"length":1,"stats":{"Line":0}},{"line":50,"address":[4275830],"length":1,"stats":{"Line":0}},{"line":53,"address":[4275843],"length":1,"stats":{"Line":0}},{"line":55,"address":[4275880],"length":1,"stats":{"Line":0}},{"line":61,"address":[4276064,4276902,4276952],"length":1,"stats":{"Line":0}},{"line":62,"address":[4276174,4276933,4276085],"length":1,"stats":{"Line":0}},{"line":64,"address":[4276347,4276299],"length":1,"stats":{"Line":0}},{"line":67,"address":[4276414,4276911],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":23},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmasdl2","src","bin","gemmasdl2.rs"],"content":"mod support;\nuse crate::support::gemma_egui_support::GemmaEguiSupport;\nuse anyhow::Context;\nuse egui::TextBuffer;\nuse egui_glow::glow::{HasContext, COLOR_BUFFER_BIT};\nuse egui_sdl2_platform::sdl2;\nuse gemma::chip8::computer::Chip8Computer;\nuse sdl2::event::{Event, WindowEvent};\nuse std::{sync::Arc, time::Instant};\nuse support::timestep::TimeStep;\n\nconst SCREEN_WIDTH: u32 = 800;\nconst SCREEN_HEIGHT: u32 = 480;\n\nasync fn run() -\u003e anyhow::Result\u003cString\u003e {\n    // Initialize SDL2 and video subsystem\n    let sdl = sdl2::init().map_err(|e| anyhow::anyhow!(\"Failed to create SDL context: {}\", e))?;\n    let mut video = sdl\n        .video()\n        .map_err(|e| anyhow::anyhow!(\"Failed to initialize SDL video subsystem: {}\", e))?;\n\n    // Create SDL2 window and OpenGL context\n    let window = video\n        .window(\"Window\", SCREEN_WIDTH, SCREEN_HEIGHT)\n        .opengl()\n        .position_centered()\n        .build()?;\n    let _gl_context = window\n        .gl_create_context()\n        .expect(\"Failed to create GL context\");\n\n    // Load OpenGL functions\n    let gl = unsafe {\n        egui_glow::painter::Context::from_loader_function(|name| {\n            video.gl_get_proc_address(name) as *const _\n        })\n    };\n    let mut painter = egui_glow::Painter::new(Arc::new(gl), \"\", None)?;\n\n    // Setup Egui and SDL2 platform\n    let mut platform = egui_sdl2_platform::Platform::new(window.size())?;\n    let mut event_pump = sdl\n        .event_pump()\n        .map_err(|e| anyhow::anyhow!(\"Failed to get SDL event pump: {}\", e))?;\n\n    // Initial settings\n    let color = [0.0, 0.0, 0.0, 1.0]; // Background color\n    let start_time = Instant::now();\n    let mut timestep = TimeStep::new();\n\n    let mut computer = Chip8Computer::new();\n    let mut is_running: bool = false;\n    computer.load_bytes_to_memory(0x200, \u0026std::fs::read(\"resources/roms/3-corax+.ch8\")?);\n\n    // Main loop\n    'main: loop {\n        // Update the Egui platform with the current time\n        platform.update_time(start_time.elapsed().as_secs_f64());\n\n        // Begin Egui frame\n        let ctx = platform.context();\n\n        if is_running {\n            computer.step_system();\n        }\n\n        egui::Window::new(\"Hello, world!\").show(\u0026ctx, |ui| {\n            GemmaEguiSupport::video_view(\u0026computer, ui);\n            GemmaEguiSupport::memory_view(\u0026computer, ui);\n            GemmaEguiSupport::registers_view(\u0026computer, ui);\n        });\n\n        // Process Egui frame\n        let full_output = platform.end_frame(\u0026mut video)?;\n        let paint_jobs = platform.tessellate(\u0026full_output);\n\n        // Clear the screen with the current color\n        unsafe {\n            painter.gl().clear_color(color[0], color[1], color[2], 1.0);\n            painter.gl().clear(COLOR_BUFFER_BIT);\n        }\n\n        // Paint Egui outputs and update textures\n        let size = window.size();\n        painter.paint_and_update_textures(\n            [size.0, size.1],\n            1.0,\n            paint_jobs.as_slice(),\n            \u0026full_output.textures_delta,\n        );\n        window.gl_swap_window();\n\n        // Run the timestep logic\n        timestep.run_this(|_| {});\n\n        // Handle SDL2 events\n        for event in event_pump.poll_iter() {\n            match event {\n                Event::Quit { .. }\n                | Event::KeyDown {\n                    keycode: Some(sdl2::keyboard::Keycode::Escape),\n                    ..\n                } =\u003e break 'main,\n                Event::Window {\n                    window_id,\n                    win_event,\n                    ..\n                } if window_id == window.id() =\u003e {\n                    if let WindowEvent::Close = win_event {\n                        break 'main;\n                    }\n                }\n                Event::KeyUp {\n                    keycode: Some(sdl2::keyboard::Keycode::F3),\n                    ..\n                } =\u003e {\n                    println!(\"USER PRESSED F3 -\u003e running\");\n                    is_running = true;\n                }\n                Event::KeyUp {\n                    keycode: Some(sdl2::keyboard::Keycode::F4),\n                    ..\n                } =\u003e {\n                    println!(\"USER PRESSED F4 -\u003e stopping\");\n                    is_running = false;\n                }\n                Event::KeyDown {\n                    keycode: Some(sdl2::keyboard::Keycode::F5),\n                    ..\n                } =\u003e {\n                    println!(\"USER PRESSED F5 -\u003e Step\");\n                    computer.step_system();\n                }\n                Event::KeyDown {\n                    keycode: Some(sdl2::keyboard::Keycode::F6),\n                    ..\n                } =\u003e {\n                    println!(\"USER PRESSED F6 -\u003e RESET\");\n                    computer.reset(computer.quirk_mode.clone());\n                }\n                Event::ControllerButtonDown { which, .. } =\u003e {\n                    println!(\"PLAYER {which} DOWN\");\n                }\n                Event::JoyButtonDown { button_idx, .. } =\u003e {\n                    println!(\"JoyButtonDown {}\", button_idx);\n                }\n                Event::JoyAxisMotion {\n                    which, axis_idx, ..\n                } =\u003e {\n                    println!(\"JoyAxismotion {which} {axis_idx}\");\n                }\n                _ =\u003e platform.handle_event(\u0026event, \u0026sdl, \u0026video),\n            }\n        }\n\n        // Optionally log the frame rate\n        if let Some(fps) = timestep.frame_rate() {\n            println!(\"{:?} fps\", fps);\n        }\n\n        let num_js = sdl.joystick().unwrap().num_joysticks().unwrap();\n        println!(\"NUM JS = {num_js}\");\n    }\n\n    Ok((\"\").parse()?)\n}\n\nfn main() -\u003e anyhow::Result\u003c()\u003e {\n    pollster::block_on(run())?;\n    Ok(())\n}\n","traces":[{"line":15,"address":[907230,911746,907173,913940,907104],"length":1,"stats":{"Line":0}},{"line":17,"address":[914147,913999,907412,907223,907306,913935,913984],"length":1,"stats":{"Line":0}},{"line":18,"address":[907405,913933,907684,907513],"length":1,"stats":{"Line":0}},{"line":20,"address":[914224,914387,914239,907668],"length":1,"stats":{"Line":0}},{"line":23,"address":[908008,907617,907829,907753],"length":1,"stats":{"Line":0}},{"line":28,"address":[908085],"length":1,"stats":{"Line":0}},{"line":34,"address":[914464,908186],"length":1,"stats":{"Line":0}},{"line":35,"address":[914482],"length":1,"stats":{"Line":0}},{"line":38,"address":[908490,908245,913852],"length":1,"stats":{"Line":0}},{"line":41,"address":[908613,908792,908457,913831],"length":1,"stats":{"Line":0}},{"line":42,"address":[913810,908785,908893,909083],"length":1,"stats":{"Line":0}},{"line":44,"address":[914511,914659,909067,914496],"length":1,"stats":{"Line":0}},{"line":47,"address":[908997],"length":1,"stats":{"Line":0}},{"line":48,"address":[909041,909167],"length":1,"stats":{"Line":0}},{"line":49,"address":[909190],"length":1,"stats":{"Line":0}},{"line":51,"address":[909197],"length":1,"stats":{"Line":0}},{"line":52,"address":[909216],"length":1,"stats":{"Line":0}},{"line":53,"address":[909224,909311,913770],"length":1,"stats":{"Line":0}},{"line":58,"address":[909553],"length":1,"stats":{"Line":0}},{"line":61,"address":[909669],"length":1,"stats":{"Line":0}},{"line":63,"address":[909712],"length":1,"stats":{"Line":0}},{"line":64,"address":[909812,909749],"length":1,"stats":{"Line":0}},{"line":67,"address":[914736,909722,909846],"length":1,"stats":{"Line":0}},{"line":68,"address":[914754],"length":1,"stats":{"Line":0}},{"line":69,"address":[914768],"length":1,"stats":{"Line":0}},{"line":70,"address":[914782],"length":1,"stats":{"Line":0}},{"line":74,"address":[909868,910096],"length":1,"stats":{"Line":0}},{"line":75,"address":[910069],"length":1,"stats":{"Line":0}},{"line":79,"address":[910289,910181],"length":1,"stats":{"Line":0}},{"line":80,"address":[910382],"length":1,"stats":{"Line":0}},{"line":84,"address":[910448],"length":1,"stats":{"Line":0}},{"line":85,"address":[910558],"length":1,"stats":{"Line":0}},{"line":86,"address":[910497],"length":1,"stats":{"Line":0}},{"line":88,"address":[910511],"length":1,"stats":{"Line":0}},{"line":89,"address":[910550],"length":1,"stats":{"Line":0}},{"line":91,"address":[910609],"length":1,"stats":{"Line":0}},{"line":94,"address":[910636,914811,914800],"length":1,"stats":{"Line":0}},{"line":97,"address":[910643,910746],"length":1,"stats":{"Line":0}},{"line":98,"address":[911892,913310,910794,912227],"length":1,"stats":{"Line":0}},{"line":104,"address":[912156,911839],"length":1,"stats":{"Line":0}},{"line":109,"address":[912186],"length":1,"stats":{"Line":0}},{"line":113,"address":[913425],"length":1,"stats":{"Line":0}},{"line":117,"address":[913346,913398],"length":1,"stats":{"Line":0}},{"line":118,"address":[913417],"length":1,"stats":{"Line":0}},{"line":120,"address":[913457],"length":1,"stats":{"Line":0}},{"line":124,"address":[913430,913372],"length":1,"stats":{"Line":0}},{"line":125,"address":[913449],"length":1,"stats":{"Line":0}},{"line":127,"address":[913236],"length":1,"stats":{"Line":0}},{"line":131,"address":[912278,913198],"length":1,"stats":{"Line":0}},{"line":132,"address":[913217],"length":1,"stats":{"Line":0}},{"line":134,"address":[913305],"length":1,"stats":{"Line":0}},{"line":138,"address":[913241,912307],"length":1,"stats":{"Line":0}},{"line":139,"address":[913260],"length":1,"stats":{"Line":0}},{"line":141,"address":[912038],"length":1,"stats":{"Line":0}},{"line":142,"address":[912052,913653],"length":1,"stats":{"Line":0}},{"line":144,"address":[911994],"length":1,"stats":{"Line":0}},{"line":145,"address":[912008,913579],"length":1,"stats":{"Line":0}},{"line":147,"address":[911936],"length":1,"stats":{"Line":0}},{"line":150,"address":[911964,913462],"length":1,"stats":{"Line":0}},{"line":152,"address":[911755,913727],"length":1,"stats":{"Line":0}},{"line":157,"address":[910739,910854],"length":1,"stats":{"Line":0}},{"line":158,"address":[910911,910941],"length":1,"stats":{"Line":0}},{"line":161,"address":[911251,910934,911564],"length":1,"stats":{"Line":0}},{"line":162,"address":[911590],"length":1,"stats":{"Line":0}},{"line":165,"address":[912410,912477],"length":1,"stats":{"Line":0}},{"line":168,"address":[903568],"length":1,"stats":{"Line":0}},{"line":169,"address":[903744,903575],"length":1,"stats":{"Line":0}},{"line":170,"address":[903733],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":68},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmasdl2","src","bin","support","gemma_egui_support.rs"],"content":"use crate::Chip8Computer;\nuse egui::Rect;\nuse egui::Ui;\nuse egui::Vec2;\nuse egui::{Align, Color32, ComboBox, Pos2};\nuse std::fs::read_dir;\nuse std::path::PathBuf;\n\nconst CELL_WIDTH: f32 = 5.0;\nconst CELL_HEIGHT: f32 = 5.0;\n\npub struct EGuiFileList {}\nimpl EGuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026mut String, ui: \u0026mut Ui) {\n        let working_filename = selected_filename.clone();\n        ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n            //  ui.label(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to Load Path\")));\n            ComboBox::from_label(\"Select ROM\")\n                .selected_text(selected_filename.clone())\n                .show_ui(ui, |ui| {\n                    let mut sorted_options = vec![];\n                    for option in read_dir(root.as_path()).unwrap() {\n                        let to_push = option\n                            .unwrap()\n                            .file_name()\n                            .into_string()\n                            .unwrap_or(String::new());\n                        sorted_options.push(to_push);\n                    }\n\n                    sorted_options.sort();\n                    for item in sorted_options {\n                        // Add each option to the ComboBox\n                        if ui\n                            .selectable_label(selected_filename.eq(\u0026item.as_str()), item.clone())\n                            .clicked()\n                        {\n                            *selected_filename = item;\n                        }\n                    }\n                });\n            // Display the selected option\n        });\n    }\n}\n\npub struct GemmaEguiSupport {}\n\nimpl GemmaEguiSupport {\n    pub fn controls_view(system: \u0026mut Chip8Computer, ui: \u0026mut Ui) {\n        ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n            if ui.button(\"Start\").clicked() {\n                println!(\"Start\");\n                //       state.is_running = true;\n            }\n            if ui.button(\"Step\").clicked() {\n                system.step_system();\n            }\n\n            if ui.button(\"Stop\").clicked() {\n                println!(\"STOP\");\n                //     state.is_running = false;\n            }\n            if ui.button(\"Reset\").clicked() {\n                system.reset(system.quirk_mode.clone());\n                //   state.is_running = false;\n            }\n        });\n\n        //       if ui.button(format!(\"Load {}\", state.selected_rom_filename)).clicked() {\n        // load the bin...\n        //         let read_bin = std::fs::read(PathBuf::from(format!(\"resources/roms/{}\", state.selected_rom_filename))).unwrap();\n        // ...then feed the system.\n        //         system.load_bytes_to_memory(0x200, \u0026read_bin);\n        //         println!(\"Loaded {}\", state.selected_rom_filename);\n        //     }\n        //      EGuiFileList::display_path(PathBuf::from(\"resources/roms\"), \u0026mut state.selected_rom_filename, ui);\n\n        ui.with_layout(egui::Layout::left_to_right(Align::TOP), |ui| {\n            //    ui.checkbox(\u0026mut state.display_memory, \"Display Memory\");\n            //    ui.checkbox(\u0026mut state.display_video, \"Display Video\");\n            //   ui.checkbox(\u0026mut state.display_registers, \"Display Registers\");\n        });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(format!(\n            \"V0-7: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x00),\n            system.registers.peek(0x01),\n            system.registers.peek(0x02),\n            system.registers.peek(0x03),\n            system.registers.peek(0x04),\n            system.registers.peek(0x05),\n            system.registers.peek(0x06),\n            system.registers.peek(0x07)\n        ));\n        ui.label(format!(\n            \"V8-F: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x08),\n            system.registers.peek(0x09),\n            system.registers.peek(0x0A),\n            system.registers.peek(0x0B),\n            system.registers.peek(0x0C),\n            system.registers.peek(0x0D),\n            system.registers.peek(0x0E),\n            system.registers.peek(0x0F)\n        ));\n        ui.label(format!(\n            \"PC: {:04x}\\tI: {:04x}\",\n            system.registers.peek_pc(),\n            system.registers.peek_i()\n        ));\n    }\n\n    pub fn video_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        let (_resp, painter) = ui.allocate_painter(Vec2::new(350.0, 165.0), egui::Sense::hover());\n        for current_row in 0..32 {\n            for current_col in 0..64 {\n                let data_offset = current_row * 64 + current_col;\n                let x_offset = current_col as f32 * CELL_WIDTH;\n                let y_offset = current_row as f32 * CELL_HEIGHT;\n                let origin = Pos2::new(x_offset, y_offset);\n                let colour = if system.video_memory.peek(data_offset) {\n                    Color32::RED\n                } else {\n                    Color32::WHITE\n                };\n                let rect = Rect::from_min_size(origin, Vec2::new(CELL_WIDTH, CELL_HEIGHT));\n                painter.rect_filled(rect, 0.0, colour);\n                // println!(\"Cell {current_col}x{current_row} at {}x{} -\u003e {}\",\n                //          origin.x, origin.y,\n                //          system.video_memory.peek(data_offset));\n            }\n        }\n        //    thread::sleep(Duration::from_secs(1));\n    }\n\n    pub fn memory_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(\"Memory View\");\n\n        for i in (0..=0x200).step_by(16) {\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                for y in 0..16 {\n                    ui.label(format!(\"{:02x}\", system.memory.peek((i + y) as u16)).as_str());\n                }\n            });\n        }\n        ui.label(\"Should have **something** to adjust the 'memory window'\");\n    }\n}\n","traces":[{"line":14,"address":[978208,978639],"length":1,"stats":{"Line":0}},{"line":15,"address":[978238],"length":1,"stats":{"Line":0}},{"line":16,"address":[945456,945729,945697],"length":1,"stats":{"Line":0}},{"line":18,"address":[945485,945595,945660],"length":1,"stats":{"Line":0}},{"line":19,"address":[945642,945710,945530],"length":1,"stats":{"Line":0}},{"line":20,"address":[945744,947939,945650,947527],"length":1,"stats":{"Line":0}},{"line":21,"address":[945780],"length":1,"stats":{"Line":0}},{"line":22,"address":[946167,946302,945941,946331,947894,945837],"length":1,"stats":{"Line":0}},{"line":23,"address":[947558,947641,947709],"length":1,"stats":{"Line":0}},{"line":26,"address":[947648],"length":1,"stats":{"Line":0}},{"line":27,"address":[947593,947929,947664,947748],"length":1,"stats":{"Line":0}},{"line":28,"address":[947816],"length":1,"stats":{"Line":0}},{"line":31,"address":[946573],"length":1,"stats":{"Line":0}},{"line":32,"address":[946607,947503,946797,946847],"length":1,"stats":{"Line":0}},{"line":34,"address":[947246,947490,947068],"length":1,"stats":{"Line":0}},{"line":35,"address":[946887,946997],"length":1,"stats":{"Line":0}},{"line":36,"address":[947198,947252],"length":1,"stats":{"Line":0}},{"line":38,"address":[947309],"length":1,"stats":{"Line":0}},{"line":50,"address":[978672],"length":1,"stats":{"Line":0}},{"line":51,"address":[947984,948953],"length":1,"stats":{"Line":0}},{"line":52,"address":[948009,948120],"length":1,"stats":{"Line":0}},{"line":53,"address":[948195],"length":1,"stats":{"Line":0}},{"line":56,"address":[948235,948358],"length":1,"stats":{"Line":0}},{"line":57,"address":[948442],"length":1,"stats":{"Line":0}},{"line":60,"address":[948581,948458],"length":1,"stats":{"Line":0}},{"line":61,"address":[948665],"length":1,"stats":{"Line":0}},{"line":64,"address":[948705,948828],"length":1,"stats":{"Line":0}},{"line":65,"address":[948909],"length":1,"stats":{"Line":0}},{"line":79,"address":[948976],"length":1,"stats":{"Line":0}},{"line":86,"address":[979152],"length":1,"stats":{"Line":0}},{"line":87,"address":[979400,979449,979547,979498,979253,979302,979351,979204,981241],"length":1,"stats":{"Line":0}},{"line":89,"address":[979185],"length":1,"stats":{"Line":0}},{"line":90,"address":[979231],"length":1,"stats":{"Line":0}},{"line":91,"address":[979280],"length":1,"stats":{"Line":0}},{"line":92,"address":[979329],"length":1,"stats":{"Line":0}},{"line":93,"address":[979378],"length":1,"stats":{"Line":0}},{"line":94,"address":[979427],"length":1,"stats":{"Line":0}},{"line":95,"address":[979476],"length":1,"stats":{"Line":0}},{"line":96,"address":[979525],"length":1,"stats":{"Line":0}},{"line":98,"address":[981347,981298,981494,981396,981543,981592,981641,981445,983335],"length":1,"stats":{"Line":0}},{"line":100,"address":[981276],"length":1,"stats":{"Line":0}},{"line":101,"address":[981325],"length":1,"stats":{"Line":0}},{"line":102,"address":[981374],"length":1,"stats":{"Line":0}},{"line":103,"address":[981423],"length":1,"stats":{"Line":0}},{"line":104,"address":[981472],"length":1,"stats":{"Line":0}},{"line":105,"address":[981521],"length":1,"stats":{"Line":0}},{"line":106,"address":[981570],"length":1,"stats":{"Line":0}},{"line":107,"address":[981619],"length":1,"stats":{"Line":0}},{"line":109,"address":[983394,983970,983439],"length":1,"stats":{"Line":0}},{"line":111,"address":[983376],"length":1,"stats":{"Line":0}},{"line":112,"address":[983421],"length":1,"stats":{"Line":0}},{"line":116,"address":[985392,984016],"length":1,"stats":{"Line":0}},{"line":117,"address":[984071],"length":1,"stats":{"Line":0}},{"line":118,"address":[984553,984367,984449],"length":1,"stats":{"Line":0}},{"line":119,"address":[984574,984672],"length":1,"stats":{"Line":0}},{"line":120,"address":[984956,984787],"length":1,"stats":{"Line":0}},{"line":121,"address":[984876],"length":1,"stats":{"Line":0}},{"line":122,"address":[984910],"length":1,"stats":{"Line":0}},{"line":123,"address":[984996],"length":1,"stats":{"Line":0}},{"line":124,"address":[985077,985032],"length":1,"stats":{"Line":0}},{"line":125,"address":[985079],"length":1,"stats":{"Line":0}},{"line":127,"address":[985064],"length":1,"stats":{"Line":0}},{"line":130,"address":[985306],"length":1,"stats":{"Line":0}},{"line":139,"address":[985424],"length":1,"stats":{"Line":0}},{"line":140,"address":[985457],"length":1,"stats":{"Line":0}},{"line":142,"address":[985491,985704],"length":1,"stats":{"Line":0}},{"line":143,"address":[949640,948992],"length":1,"stats":{"Line":0}},{"line":144,"address":[949080,949022],"length":1,"stats":{"Line":0}},{"line":145,"address":[949500,949091],"length":1,"stats":{"Line":0}},{"line":149,"address":[985646],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":70},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmasdl2","src","bin","support","mod.rs"],"content":"pub mod timestep;\npub mod gemma_egui_support;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmasdl2","src","bin","support","timestep.rs"],"content":"\n//! Gameplay speed control. It attempts to mimic/limit progression to\n//! the 30 tics per second Doom used.\n\nuse std::{fmt, time::Instant};\n\nconst MS_PER_UPDATE: f32 = 28.57;\n\n#[derive(Debug)]\npub struct TimeStep {\n    last_time: Instant,\n    delta_time: f32,\n    frame_count: u32,\n    frame_time: f32,\n    run_tics: u32,\n    last_tics: u32,\n    lag: f32,\n}\n\n#[derive(Debug)]\npub struct FrameData {\n    pub tics: u32,\n    pub frames: u32,\n}\n\nimpl fmt::Display for FrameData {\n    fn fmt(\u0026self, f: \u0026mut fmt::Formatter\u003c'_\u003e) -\u003e fmt::Result {\n        f.write_fmt(format_args!(\n            \"FrameData (per-second):\\n  - tics: {}\\n  -  fps: {}\",\n            self.tics, self.frames\n        ))\n    }\n}\n\nimpl TimeStep {\n    pub fn new() -\u003e TimeStep {\n        TimeStep {\n            last_time: Instant::now(),\n            delta_time: 0.0,\n            frame_count: 0,\n            frame_time: 0.0,\n            run_tics: 0,\n            last_tics: 0,\n            lag: 0.0,\n        }\n    }\n\n    pub fn delta(\u0026mut self) -\u003e f32 {\n        let current_time = Instant::now();\n        let delta = current_time.duration_since(self.last_time).as_micros() as f32 * 0.001;\n        self.last_time = current_time;\n        self.delta_time = delta;\n        delta\n    }\n\n    /// Increments self time and returns current lag. `run_this` is run only for\n    /// `n` tics available.\n    pub fn run_this(\u0026mut self, mut run_this: impl FnMut(f32)) {\n        let dt = self.delta();\n        self.lag += dt;\n        while self.lag \u003e= MS_PER_UPDATE {\n            run_this(dt);\n            self.lag -= MS_PER_UPDATE;\n            self.run_tics += 1;\n        }\n    }\n\n    pub fn frame_rate(\u0026mut self) -\u003e Option\u003cFrameData\u003e {\n        self.frame_count += 1;\n        self.frame_time += self.delta_time;\n        let tmp;\n        let tmp2;\n        // per second\n        if self.frame_time \u003e= 1000.0 {\n            tmp = self.frame_count;\n            tmp2 = self.last_tics;\n            self.frame_count = 0;\n            self.frame_time = 0.0;\n            self.last_tics = self.run_tics;\n            return Some(FrameData {\n                tics: self.run_tics - tmp2,\n                frames: tmp,\n            });\n        }\n\n        None\n    }\n}\n\nimpl Default for TimeStep {\n    // shutup clippy!\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}","traces":[{"line":27,"address":[905936],"length":1,"stats":{"Line":0}},{"line":28,"address":[905975],"length":1,"stats":{"Line":0}},{"line":36,"address":[906112],"length":1,"stats":{"Line":0}},{"line":38,"address":[906126],"length":1,"stats":{"Line":0}},{"line":48,"address":[906208],"length":1,"stats":{"Line":0}},{"line":49,"address":[906221],"length":1,"stats":{"Line":0}},{"line":50,"address":[906243],"length":1,"stats":{"Line":0}},{"line":51,"address":[906319],"length":1,"stats":{"Line":0}},{"line":52,"address":[906334],"length":1,"stats":{"Line":0}},{"line":58,"address":[],"length":0,"stats":{"Line":0}},{"line":59,"address":[],"length":0,"stats":{"Line":0}},{"line":60,"address":[],"length":0,"stats":{"Line":0}},{"line":61,"address":[],"length":0,"stats":{"Line":0}},{"line":62,"address":[],"length":0,"stats":{"Line":0}},{"line":63,"address":[],"length":0,"stats":{"Line":0}},{"line":64,"address":[],"length":0,"stats":{"Line":0}},{"line":68,"address":[906352],"length":1,"stats":{"Line":0}},{"line":69,"address":[906376,906438],"length":1,"stats":{"Line":0}},{"line":70,"address":[906403],"length":1,"stats":{"Line":0}},{"line":74,"address":[906418],"length":1,"stats":{"Line":0}},{"line":75,"address":[906472],"length":1,"stats":{"Line":0}},{"line":76,"address":[906482],"length":1,"stats":{"Line":0}},{"line":77,"address":[906489],"length":1,"stats":{"Line":0}},{"line":78,"address":[906496],"length":1,"stats":{"Line":0}},{"line":79,"address":[906504],"length":1,"stats":{"Line":0}},{"line":80,"address":[906549],"length":1,"stats":{"Line":0}},{"line":81,"address":[906563,906510],"length":1,"stats":{"Line":0}},{"line":86,"address":[906459],"length":1,"stats":{"Line":0}},{"line":92,"address":[906592],"length":1,"stats":{"Line":0}},{"line":93,"address":[906600],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":30},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","bin","gemmatelnetd.rs"],"content":"use std::io::{BufRead, BufReader, Write};\nuse std::net::{TcpListener, TcpStream};\nuse std::thread;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemmatelnet::client_handler::handle_client;\nuse log::info;\nuse clap::Parser;\n\nconst LISTEN_HOST: \u0026str = \"0.0.0.0\";\nconst LISTEN_PORT: u32 = 1420;\n\n#[derive(Parser, Debug)]\n#[command(name = \"myapp\")]\n#[command(about = \"Does awesome things\", long_about = None)]\nstruct Cli {\n    #[arg(long, default_value = \"0.0.0.0\")]\n    host: Option\u003cString\u003e,\n    #[arg(long, default_value = \"1420\")]\n    port: Option\u003cu32\u003e,\n}\n\nimpl Cli {\n    pub fn host(\u0026self) -\u003e String {\n        self.host.clone().unwrap_or(LISTEN_HOST.into())\n    }\n    pub fn port(\u0026self) -\u003e u32 {\n        self.port.unwrap_or(LISTEN_PORT.into())\n    }\n}\n\nfn main() -\u003e std::io::Result\u003c()\u003e {\n    let config = Cli::parse();\n\n    let listener = TcpListener::bind(format!(\"{}:{}\", config.host(), config.port()))?;\n    println!(\"Listening to {}:{}\", LISTEN_HOST, LISTEN_PORT);\n\n    for stream in listener.incoming() {\n        match stream {\n            Ok(stream) =\u003e {\n                thread::spawn(|| handle_client(stream));\n            }\n            Err(e) =\u003e {\n                eprintln!(\"Connection Failed -\u003e {}\", e);\n            }\n        }\n    }\n\n    Ok(())\n}","traces":[{"line":24,"address":[591307,591136,591281],"length":1,"stats":{"Line":0}},{"line":25,"address":[591155,591291],"length":1,"stats":{"Line":0}},{"line":27,"address":[591328],"length":1,"stats":{"Line":0}},{"line":28,"address":[591337],"length":1,"stats":{"Line":0}},{"line":32,"address":[591392,592523,592557],"length":1,"stats":{"Line":0}},{"line":33,"address":[591409],"length":1,"stats":{"Line":0}},{"line":35,"address":[592537,591923,591471,591848,591427],"length":1,"stats":{"Line":0}},{"line":36,"address":[591999,591897],"length":1,"stats":{"Line":0}},{"line":38,"address":[592228,592115],"length":1,"stats":{"Line":0}},{"line":39,"address":[592260],"length":1,"stats":{"Line":0}},{"line":40,"address":[592298],"length":1,"stats":{"Line":0}},{"line":41,"address":[592320,592366],"length":1,"stats":{"Line":0}},{"line":43,"address":[592327],"length":1,"stats":{"Line":0}},{"line":44,"address":[592359,592432],"length":1,"stats":{"Line":0}},{"line":49,"address":[592207],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":15},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","client_handler.rs"],"content":"use std::io::{BufRead, BufReader};\nuse std::net::TcpStream;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse crate::telnet_utils::list_of_files_in_directory;\nuse std::io::Write;\nuse std::path::Path;\nuse gemma::constants::RESOURCES_ROOT;\nuse crate::constants::*;\n\nconst ERROR_CANT_NOTIFY: \u0026str = \"Unable to notify client\";\nconst MENU_TEXT: \u0026str = r#\"\n---------------------------\nstatus -\u003e Current status of the Instance\nnew -\u003e Start New Instance\n* list -\u003e list available files to load into Chip-8 Instance\n* load \u003cfilename\u003e -\u003e Load Chip-8 Program from server\nhelp -\u003e display this help\nstep -\u003e step chip-8 machine 1 step\n* steps \u003cnumber\u003e -\u003e Step a fixed number of steps\n* memory -\u003e dump current memory from chip-8 instance\n* video -\u003e dump current video from chip-8 instance\n* window \u003cstart\u003e \u003clength\u003e -\u003e display a window of memory\ndisconnect -\u003e close connection\n---------------------------\n\"#;\n\npub fn handle_client(mut stream: TcpStream) {\n    // each client gets their own instance of a Chip-8 system\n    let mut chip8 = Chip8ComputerManager::default();\n\n    let peer_addr = stream.peer_addr().unwrap();\n    println!(\"New CX From {}\", peer_addr);\n\n    let mut reader = BufReader::new(stream.try_clone().unwrap());\n    let mut line = String::new();\n\n    write!(stream, \"Welcome to Gemma Telnet Server\\n\").unwrap();\n    write!(stream, \"{}\", MENU_TEXT).unwrap();\n\n    let mut time_to_die: bool = false;\n\n    while !time_to_die {\n\n        // clear the buffer\n        line.clear();\n\n        // read from the client to the buffer\n        let bytes = reader.read_line(\u0026mut line).unwrap();\n        if bytes == 0 {\n            println!(\"Connection closed by {}\", peer_addr);\n            break;\n        }\n\n        // display the message received\n        eprint!(\"RX {}: {}\", peer_addr, line);\n\n        // split the line into \u003ccommand\u003e \u003cparam1\u003e \u003cparam2\u003e (if params exist)\n\n        let mut result = line.split(\" \");\n        let command = result.next().unwrap();\n        let p1 = result.next();\n        let p2 = result.next();\n\n        let mut message_to_send: String = \"Unrecognized Command\".to_string();\n\n        match command.trim() {\n            CMD_STATUS =\u003e {\n                message_to_send = chip8.status_as_string();\n            }\n            CMD_DISCONNECT =\u003e {\n                message_to_send = \"Disconnecting User\".to_string();\n                time_to_die = true;\n                break;\n            }\n            CMD_NEW =\u003e {\n                message_to_send = \"Starting new Chip-8 Instance\".to_string();\n                chip8.reset(QuirkMode::Chip8);\n            }\n            CMD_LIST =\u003e {\n                message_to_send =\n                    format!(\"Listing files in path: \\n{}\",\n                            list_of_files_in_directory(\n                                \u0026mut Path::new(\"/home/tmerritt/Projects/trevors_chip8_toy/resources/roms\".into())\n                            )\n                    );\n            }\n            CMD_LOAD =\u003e {\n                let file_to_use = p1.unwrap_or(\"default.ch8\").trim();\n                // chip8 = Chip8ComputerManager::from(chip8).load_new_program_to_system_memory()\n                message_to_send = format!(\"Preparing to load {} from disk.\",\n                                          file_to_use);\n                chip8.load_new_program_from_disk_to_system_memory(\n                    Path::new(format!(\"{}/roms/{}\", RESOURCES_ROOT, file_to_use).as_str())\n                );\n            }\n            CMD_HELP =\u003e {\n                message_to_send = MENU_TEXT.to_string();\n            }\n            CMD_STEPS =\u003e {\n                if chip8.core_should_run {\n                    let num_steps = p1.unwrap_or(\"0\").trim();\n                    message_to_send = format!(\"Advancing {} steps.\", num_steps);\n                    for _ in 0..num_steps.parse().unwrap_or(0) {\n                        chip8.tick();\n                    }\n                } else {\n                    message_to_send = \"Not Ready to Step\".to_string();\n                }\n            }\n            CMD_STEP =\u003e {\n                if chip8.core_should_run {\n                    message_to_send = \"Advancing 1 step.\".to_string();\n                    chip8.tick();\n                } else {\n                    message_to_send = \"Not Ready To Step\".to_string();\n                }\n            }\n            CMD_WINDOW =\u003e {\n                message_to_send = format!(\"Memory window from {} to {}\",\n                                          p1.unwrap_or(\"0x0000\").trim(),\n                                          p2.unwrap_or(\"0xFFFF\").trim());\n            }\n            _ =\u003e {}\n        }\n\n        write!(stream, \"{}\\n\", message_to_send).expect(ERROR_CANT_NOTIFY);\n\n        stream.flush().unwrap();\n    }\n}\n","traces":[{"line":28,"address":[2419536,2427085,2425658],"length":1,"stats":{"Line":0}},{"line":30,"address":[2419550],"length":1,"stats":{"Line":0}},{"line":32,"address":[2419613],"length":1,"stats":{"Line":0}},{"line":33,"address":[2419985],"length":1,"stats":{"Line":0}},{"line":35,"address":[2420299,2420081],"length":1,"stats":{"Line":0}},{"line":36,"address":[2420326],"length":1,"stats":{"Line":0}},{"line":38,"address":[2420377,2420546],"length":1,"stats":{"Line":0}},{"line":39,"address":[2420768],"length":1,"stats":{"Line":0}},{"line":41,"address":[2421066],"length":1,"stats":{"Line":0}},{"line":43,"address":[473082],"length":1,"stats":{"Line":0}},{"line":46,"address":[2421092],"length":1,"stats":{"Line":0}},{"line":49,"address":[473145,473393],"length":1,"stats":{"Line":0}},{"line":50,"address":[2421397],"length":1,"stats":{"Line":0}},{"line":51,"address":[2421457,2421403],"length":1,"stats":{"Line":0}},{"line":56,"address":[2421531,2421430],"length":1,"stats":{"Line":0}},{"line":60,"address":[2421651],"length":1,"stats":{"Line":0}},{"line":61,"address":[2421722,2421894],"length":1,"stats":{"Line":0}},{"line":62,"address":[2421932],"length":1,"stats":{"Line":0}},{"line":63,"address":[2422021],"length":1,"stats":{"Line":0}},{"line":65,"address":[2422110],"length":1,"stats":{"Line":0}},{"line":67,"address":[2422272,2422157],"length":1,"stats":{"Line":0}},{"line":68,"address":[2426679,2422294],"length":1,"stats":{"Line":0}},{"line":69,"address":[2426537,2422375],"length":1,"stats":{"Line":0}},{"line":71,"address":[474408,474345],"length":1,"stats":{"Line":0}},{"line":72,"address":[2422460,2426381],"length":1,"stats":{"Line":0}},{"line":73,"address":[2426507],"length":1,"stats":{"Line":0}},{"line":76,"address":[2422501,2422434],"length":1,"stats":{"Line":0}},{"line":77,"address":[2426215,2422549],"length":1,"stats":{"Line":0}},{"line":78,"address":[2426341],"length":1,"stats":{"Line":0}},{"line":80,"address":[2422523,2426210,2422590],"length":1,"stats":{"Line":0}},{"line":81,"address":[2426068,2426162],"length":1,"stats":{"Line":0}},{"line":82,"address":[2425765],"length":1,"stats":{"Line":0}},{"line":83,"address":[2425746],"length":1,"stats":{"Line":0}},{"line":84,"address":[2422638,2425683],"length":1,"stats":{"Line":0}},{"line":88,"address":[2422612,2422694],"length":1,"stats":{"Line":0}},{"line":89,"address":[2425000,2422758],"length":1,"stats":{"Line":0}},{"line":91,"address":[477175,477027,477269],"length":1,"stats":{"Line":0}},{"line":92,"address":[2425258],"length":1,"stats":{"Line":0}},{"line":93,"address":[2425617],"length":1,"stats":{"Line":0}},{"line":94,"address":[2425515,2425586,2425317],"length":1,"stats":{"Line":0}},{"line":97,"address":[474799,474708,476963],"length":1,"stats":{"Line":0}},{"line":98,"address":[2424837,2422855],"length":1,"stats":{"Line":0}},{"line":100,"address":[474888,474821],"length":1,"stats":{"Line":0}},{"line":101,"address":[2422944,2424263],"length":1,"stats":{"Line":0}},{"line":102,"address":[476071,476276],"length":1,"stats":{"Line":0}},{"line":103,"address":[2424475,2424327],"length":1,"stats":{"Line":0}},{"line":104,"address":[2424601],"length":1,"stats":{"Line":0}},{"line":105,"address":[2424816],"length":1,"stats":{"Line":0}},{"line":108,"address":[476024,476113],"length":1,"stats":{"Line":0}},{"line":111,"address":[2422970,2422918],"length":1,"stats":{"Line":0}},{"line":112,"address":[475869,475010],"length":1,"stats":{"Line":0}},{"line":113,"address":[2423701,2423882],"length":1,"stats":{"Line":0}},{"line":114,"address":[476000],"length":1,"stats":{"Line":0}},{"line":116,"address":[2423735,2423670],"length":1,"stats":{"Line":0}},{"line":119,"address":[2423665,2422992,2423044],"length":1,"stats":{"Line":0}},{"line":120,"address":[2423523,2423206,2423617,2423359],"length":1,"stats":{"Line":0}},{"line":121,"address":[2423096],"length":1,"stats":{"Line":0}},{"line":122,"address":[2423590,2423249],"length":1,"stats":{"Line":0}},{"line":127,"address":[2426684,2423050],"length":1,"stats":{"Line":0}},{"line":129,"address":[2426809],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":60},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","constants.rs"],"content":"pub const CMD_NEW: \u0026str = \"new\";\npub const CMD_LIST: \u0026str = \"list\";\npub const CMD_LOAD: \u0026str = \"load\";\npub const CMD_STATUS: \u0026str = \"status\";\npub const CMD_DISCONNECT: \u0026str = \"disconnect\";\npub const CMD_HELP: \u0026str = \"help\";\npub const CMD_STEPS: \u0026str = \"steps\";\npub const CMD_STEP: \u0026str = \"step\";\npub const CMD_WINDOW: \u0026str = \"window\";\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","lib.rs"],"content":"pub mod telnet_utils;\npub mod client_handler;\npub mod constants;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","telnet_utils.rs"],"content":"use std::{fs, io};\nuse std::path::Path;\n\npub fn list_of_files_in_directory(root_directory: \u0026Path) -\u003e String {\n\n     let mut return_value = String::new();\n\n     if root_directory.is_dir() {\n          for entry in fs::read_dir(root_directory).unwrap() {\n               let entry = entry.unwrap();\n               let path = entry.path();\n               if path.is_file() {\n                    return_value = format!(\"{}\\n{}\", return_value, path.file_name().unwrap().to_string_lossy());\n               }\n          }\n     }\n     return_value\n}","traces":[{"line":4,"address":[2436802,2435008],"length":1,"stats":{"Line":0}},{"line":6,"address":[2435071],"length":1,"stats":{"Line":0}},{"line":8,"address":[2435181,2435092],"length":1,"stats":{"Line":0}},{"line":9,"address":[2435643,2435262,2435500,2435676],"length":1,"stats":{"Line":0}},{"line":11,"address":[2435905],"length":1,"stats":{"Line":0}},{"line":12,"address":[2436052,2435984,2436775],"length":1,"stats":{"Line":0}},{"line":13,"address":[2436099,2436307,2436633],"length":1,"stats":{"Line":0}},{"line":17,"address":[2435203],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":8},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","bin2hex.rs"],"content":"use clap::{Arg, Command};\nuse std::fs::File;\nuse std::io;\nuse std::io::{BufReader, Read};\n\n#[derive(Debug)]\nstruct CliArgs {\n    input: String,\n}\n\nfn main() {\n    println!(\"Taxation is Theft!\");\n    // Set up the command line arguments\n    let matches = Command::new(\"my_program\")\n        .about(\"Processes an input file and outputs it with a specified bit width\")\n        .arg(\n            Arg::new(\"input\")\n                .help(\"The input file to process\")\n                .required(true)\n                .index(1),\n        )\n        .get_matches();\n\n    // Parse the command-line arguments\n    let args = CliArgs {\n        input: matches.get_one::\u003cString\u003e(\"input\").unwrap().to_string(),\n    };\n\n    // Use the parsed arguments\n    println!(\"Input file: {}\", args.input);\n\n    // behave like a shift register and load each character from the file 1 by 1.\n    let results = read_file_to_bools(\u0026args.input);\n    for result in results.unwrap().bytes() {\n        print!(\"0x{:02x}, \", result.unwrap());\n    }\n}\nfn read_file_to_bools(file_path: \u0026str) -\u003e io::Result\u003cVec\u003cu8\u003e\u003e {\n    // Open the file\n    let file = File::open(file_path)?;\n    let mut reader = BufReader::new(file);\n\n    let mut bytes = Vec::new();\n    reader.read_to_end(\u0026mut bytes)?;\n\n    let mut output = Vec::new();\n    let mut current_byte = 0u8;\n    let mut bit_index = 0;\n\n    for \u0026byte in \u0026bytes {\n        // Convert ASCII character '1' or '0' to boolean, skip any other characters\n        let bit = match byte {\n            b'1' =\u003e true,\n            b'0' =\u003e false,\n            _ =\u003e continue, // Skip non-'1' or '0' characters\n        };\n\n        // Set the appropriate bit in the current byte\n        if bit {\n            current_byte |= 1 \u003c\u003c (7 - bit_index); // Set the bit at the correct position\n        }\n\n        bit_index += 1;\n\n        // Once we have filled 8 bits, push the byte and reset\n        if bit_index == 8 {\n            output.push(current_byte);\n            current_byte = 0;\n            bit_index = 0;\n        }\n    }\n\n    // If there are remaining bits, push the last byte (it will be partially filled)\n    if bit_index \u003e 0 {\n        output.push(current_byte);\n    }\n\n    Ok(output)\n}\n","traces":[{"line":11,"address":[253408,255306],"length":1,"stats":{"Line":0}},{"line":12,"address":[253430],"length":1,"stats":{"Line":0}},{"line":14,"address":[253487,253736,253811],"length":1,"stats":{"Line":0}},{"line":17,"address":[253641,253569],"length":1,"stats":{"Line":0}},{"line":26,"address":[253999,253824],"length":1,"stats":{"Line":0}},{"line":30,"address":[254131,254038],"length":1,"stats":{"Line":0}},{"line":33,"address":[254208],"length":1,"stats":{"Line":0}},{"line":34,"address":[254480,254583,254723],"length":1,"stats":{"Line":0}},{"line":35,"address":[254978],"length":1,"stats":{"Line":0}},{"line":38,"address":[256462,256518,255360],"length":1,"stats":{"Line":0}},{"line":40,"address":[255393,255491],"length":1,"stats":{"Line":0}},{"line":41,"address":[255459],"length":1,"stats":{"Line":0}},{"line":43,"address":[255570],"length":1,"stats":{"Line":0}},{"line":44,"address":[255630,255698,255792],"length":1,"stats":{"Line":0}},{"line":46,"address":[255780],"length":1,"stats":{"Line":0}},{"line":47,"address":[255825],"length":1,"stats":{"Line":0}},{"line":48,"address":[255833],"length":1,"stats":{"Line":0}},{"line":50,"address":[255923,256017,255852],"length":1,"stats":{"Line":0}},{"line":52,"address":[256038],"length":1,"stats":{"Line":0}},{"line":53,"address":[256213],"length":1,"stats":{"Line":0}},{"line":54,"address":[256223],"length":1,"stats":{"Line":0}},{"line":59,"address":[256340,256231],"length":1,"stats":{"Line":0}},{"line":60,"address":[256342,256261],"length":1,"stats":{"Line":0}},{"line":63,"address":[256364,256241,256386],"length":1,"stats":{"Line":0}},{"line":66,"address":[256457,256371],"length":1,"stats":{"Line":0}},{"line":67,"address":[256404],"length":1,"stats":{"Line":0}},{"line":68,"address":[256438],"length":1,"stats":{"Line":0}},{"line":69,"address":[256446],"length":1,"stats":{"Line":0}},{"line":74,"address":[256005],"length":1,"stats":{"Line":0}},{"line":75,"address":[256141],"length":1,"stats":{"Line":0}},{"line":78,"address":[256067],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":31},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","ch8asm.rs"],"content":"use gemma::chip8::util::InstructionUtil;\nuse gemma::chip8::{instructions::Chip8CpuInstructions, quirk_modes::QuirkMode};\nuse std::fs::{self, File};\nuse std::io::Write;\n// Ch8Asm\n// Converts well formed CH8ASM.\n// no variables.\n// no labels.\n// nothing fun.\n// VALID FORMAT\n// \u003cINSTRUCTION\u003e \u003c0x|0X\u003e\u003cparameter\u003e[, ][\u003c0x|OX\u003e\u003cparameter\u003e[, ][\u003c0x|OX\u003e\u003cparameter\u003e]][; comment]\nuse pest::Parser;\nuse pest_derive::Parser;\n#[derive(Parser)]\n#[grammar = \"chip8_asm.pest\"]\npub struct Chip8AsmParser;\n\nfn main() {\n    println!(\"Taxation is Theft\");\n\n    let unparsed = fs::read_to_string(\"resources/test/gemma_disassembler_manual_document.asc\")\n        .expect(\"Unable to read input\");\n\n    let file = Chip8AsmParser::parse(Rule::file, \u0026unparsed)\n        .expect(\"Unable to parse.  Try again.\")\n        .next()\n        .unwrap();\n\n    println!(\"PREPARING TO WRITE THE TARGET FILE...\");\n    let mut target_file = File::create(\"thisismytarget.ch8\").expect(\"Unable to create target\");\n\n    for record in file.into_inner() {\n        //  let mut working_instruction = Chip8CpuInstructions::XXXXERRORINSTRUCTION;\n        match record.as_rule() {\n            Rule::record =\u003e {\n                print!(\"record = {:?}\\t\", record.as_str());\n                let x = Chip8CpuInstructions::from_str(record.as_str());\n                println!(\"DECODED TO {:?} {:04x}\", x, x.encode());\n                let (high, low) = InstructionUtil::split_bytes(x.encode());\n                target_file\n                    .write_all(\u0026[high, low])\n                    .expect(\"Unable to write to the file.\");\n            }\n            _ =\u003e {}\n        }\n    }\n}\n","traces":[{"line":18,"address":[703472,705501,705528],"length":1,"stats":{"Line":0}},{"line":19,"address":[703479],"length":1,"stats":{"Line":0}},{"line":21,"address":[703530],"length":1,"stats":{"Line":0}},{"line":24,"address":[703692,703607],"length":1,"stats":{"Line":0}},{"line":29,"address":[703951],"length":1,"stats":{"Line":0}},{"line":30,"address":[703996],"length":1,"stats":{"Line":0}},{"line":32,"address":[704072,704211,704307,704351],"length":1,"stats":{"Line":0}},{"line":34,"address":[704511,704407],"length":1,"stats":{"Line":0}},{"line":36,"address":[704540,704585],"length":1,"stats":{"Line":0}},{"line":37,"address":[704705],"length":1,"stats":{"Line":0}},{"line":38,"address":[704788],"length":1,"stats":{"Line":0}},{"line":39,"address":[705345],"length":1,"stats":{"Line":0}},{"line":40,"address":[705453],"length":1,"stats":{"Line":0}},{"line":41,"address":[705418],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":14},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","ch8disasm.rs"],"content":"use std::path::Path;\nuse clap::{command, Parser};\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::XXXXERRORINSTRUCTION;\nuse gemma::chip8::quirk_modes::QuirkMode::Chip8;\n\n/// ch8disasm\n///\n/// Provide disassembled version of the CH8 file provided.\n#[derive(Parser)]\n#[command(version, about, long_about = None)]\nstruct DisassemblerApp {\n    #[arg(short)]\n    input_file: Box\u003cPath\u003e,\n    #[arg(short)]\n    output_file: Option\u003cBox\u003cPath\u003e\u003e,\n}\n\nstruct Disassembler {}\nimpl Disassembler {\n    pub fn disassemble(from_data: Vec\u003cu8\u003e) -\u003e String {\n        let mut working_instruction: u16 = 0x0000;\n\n        // read the input data and loop through it byte by byte.\n        let mut output_string = String::new();\n\n        for (offset, byte) in from_data.iter().enumerate() {\n            working_instruction = (working_instruction \u003c\u003c 8) | (*byte as u16);\n            if offset % 2 != 0 {\n                let decoded = Chip8CpuInstructions::decode(working_instruction, \u0026Chip8);\n                let decoded_string = decoded.to_string();\n                let mut current_parts = String::new();\n\n                match decoded {\n                    XXXXERRORINSTRUCTION =\u003e {\n                        current_parts = format!(\"DW 0x{:04x}\", working_instruction);\n                    }\n                    _ =\u003e {\n                        current_parts = format!(\"{}\", decoded);\n                    }\n                };\n\n                let target_length: i32 = 25;\n                let spacing_length = target_length.saturating_sub(current_parts.len() as i32);\n\n                // now add the rest after the string\n                let x = spacing_length as usize;\n                current_parts = format!(\"{}{:\u003cx$}; Bytes [0x{:04x}] offset [0x{:04x}]\\n\", current_parts, \" \", working_instruction, offset -1);\n                //   println!(\"SHOULD OUTPUT: [{current_parts}]\");\n                output_string = output_string.to_string() + \u0026*current_parts.to_string();\n\n                working_instruction = 0x0000;\n            }\n        }\n\n        output_string\n    }\n}\n\nfn main() {\n    println!(\"Taxation is Theft\");\n    let result = DisassemblerApp::parse();\n    println!(\"PREPARING TO DISASSEMBLE {:?}\", result.input_file.file_name());\n\n\n    let source_file = result.input_file.to_str().unwrap();\n    let decompiled_program = Disassembler::disassemble(\n        std::fs::read(source_file).unwrap()\n    );\n\n    match result.output_file {\n        None =\u003e {\n            println!(\"Output to console.\");\n            println!(\"OS: \\n\\n{}\", decompiled_program);\n        }\n        Some(target) =\u003e {\n            println!(\"Output to {:?}\", target);\n            std::fs::write(target, decompiled_program).unwrap();\n        }\n    }\n}","traces":[{"line":21,"address":[602279,598848],"length":1,"stats":{"Line":0}},{"line":22,"address":[598890],"length":1,"stats":{"Line":0}},{"line":25,"address":[598916],"length":1,"stats":{"Line":0}},{"line":27,"address":[599059,599341,598975],"length":1,"stats":{"Line":0}},{"line":28,"address":[599383],"length":1,"stats":{"Line":0}},{"line":29,"address":[599429],"length":1,"stats":{"Line":0}},{"line":30,"address":[599443],"length":1,"stats":{"Line":0}},{"line":31,"address":[599514],"length":1,"stats":{"Line":0}},{"line":32,"address":[599529],"length":1,"stats":{"Line":0}},{"line":34,"address":[599580],"length":1,"stats":{"Line":0}},{"line":36,"address":[599691,600034,599594],"length":1,"stats":{"Line":0}},{"line":38,"address":[600462],"length":1,"stats":{"Line":0}},{"line":39,"address":[599637,600320,600199],"length":1,"stats":{"Line":0}},{"line":43,"address":[598879],"length":1,"stats":{"Line":0}},{"line":44,"address":[600184,600472,600540],"length":1,"stats":{"Line":0}},{"line":47,"address":[600547],"length":1,"stats":{"Line":0}},{"line":48,"address":[601706,600557],"length":1,"stats":{"Line":0}},{"line":50,"address":[601848,602238],"length":1,"stats":{"Line":0}},{"line":52,"address":[602187],"length":1,"stats":{"Line":0}},{"line":56,"address":[599284],"length":1,"stats":{"Line":0}},{"line":60,"address":[602304,603835,603905],"length":1,"stats":{"Line":0}},{"line":61,"address":[602311],"length":1,"stats":{"Line":0}},{"line":62,"address":[602375],"length":1,"stats":{"Line":0}},{"line":63,"address":[602396,602503],"length":1,"stats":{"Line":0}},{"line":66,"address":[602611,602763],"length":1,"stats":{"Line":0}},{"line":68,"address":[602787],"length":1,"stats":{"Line":0}},{"line":71,"address":[603052],"length":1,"stats":{"Line":0}},{"line":73,"address":[603081,603222],"length":1,"stats":{"Line":0}},{"line":74,"address":[603241],"length":1,"stats":{"Line":0}},{"line":76,"address":[603107],"length":1,"stats":{"Line":0}},{"line":77,"address":[603419,603171],"length":1,"stats":{"Line":0}},{"line":78,"address":[603488],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":32},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","tests","assmber_tests.rs"],"content":"","traces":[],"covered":0,"coverable":0}]};
-        var previousData = {"files":[{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","bin","speedtest.rs"],"content":"use gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::fs::File;\nuse std::io::Read;\nuse std::ops::Add;\nuse std::path::Path;\nuse std::time::{Duration, Instant};\n\nconst ROM_ROOT: \u0026str = \"resources/roms\";\n\nfn main() {\n    let mut x = Chip8ComputerManager::new();\n\n    let mut buffer = Vec::new();\n    let mut input_file =\n        File::open(Path::new(\u0026(ROM_ROOT.to_string() + \"/mandelbrot_bench.ch8\"))).expect(\"derp\");\n    input_file\n        .read_to_end(\u0026mut buffer)\n        .expect(\"unable to read file\");\n    x.load_new_program_to_system_memory((\u0026*buffer).into());\n\n    for _ in 0..10 {\n        let start_time = Instant::now();\n        let mut num_cycles = 0;\n        // how many instructions in 10s.\n        let end_time = start_time.add(Duration::from_secs(10));\n        while Instant::now().le(\u0026end_time) {\n            num_cycles += 1;\n            x.step();\n        }\n\n        let num = num_cycles\n            .to_string()\n            .as_bytes()\n            .rchunks(3)\n            .rev()\n            .map(std::str::from_utf8)\n            .collect::\u003cResult\u003cVec\u003c\u0026str\u003e, _\u003e\u003e()\n            .unwrap()\n            .join(\",\"); // separator\n\n        let num_ips = num_cycles / 1000000;\n        println!(\"Completed at {num_ips} Mips. 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}\n}\n","traces":[{"line":10,"address":[460780,460845,458832],"length":1,"stats":{"Line":0}},{"line":11,"address":[458839],"length":1,"stats":{"Line":0}},{"line":13,"address":[458856],"length":1,"stats":{"Line":0}},{"line":14,"address":[458919,458991],"length":1,"stats":{"Line":0}},{"line":16,"address":[459251],"length":1,"stats":{"Line":0}},{"line":19,"address":[459336],"length":1,"stats":{"Line":0}},{"line":21,"address":[459436],"length":1,"stats":{"Line":0}},{"line":22,"address":[459589,459671],"length":1,"stats":{"Line":0}},{"line":23,"address":[459700],"length":1,"stats":{"Line":0}},{"line":25,"address":[459716],"length":1,"stats":{"Line":0}},{"line":26,"address":[459794],"length":1,"stats":{"Line":0}},{"line":27,"address":[459898,460793,460819],"length":1,"stats":{"Line":0}},{"line":28,"address":[460800,460840],"length":1,"stats":{"Line":0}},{"line":31,"address":[459933,460390,459891,460323,460024],"length":1,"stats":{"Line":0}},{"line":41,"address":[460537,460626],"length":1,"stats":{"Line":0}},{"line":42,"address":[460599,460646],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":16},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","bin","testcompression.rs"],"content":"use std::fs;\nuse std::fs::File;\nuse clap::{Parser, Subcommand};\nuse flate2::{write::{GzEncoder, GzDecoder}, Compression};\nuse std::io::{Cursor, Read, Write};\nuse std::path::PathBuf;\nuse std::io::prelude::*;\n\n#[derive(Parser)]\n#[command(author, version, about = \"Compress or decompress a string\", long_about = None)]\nstruct Cli {\n    /// Subcommand: either 'compress' or 'decompress'\n    #[command(subcommand)]\n    command: Commands,\n}\n\n#[derive(Subcommand)]\nenum Commands {\n    /// Compress the input string\n    Compress {\n        /// The string to compress\n        input: String,\n    },\n    /// Decompress the input string (must be compressed format)\n    Decompress {\n        /// The compressed string to decompress, in hex format\n        input: String,\n    },\n    CompressFile {\n        input: PathBuf\n    },\n    DecompressFile {\n        input: PathBuf\n    }\n}\n\nfn compress_string(input: \u0026str) -\u003e Vec\u003cu8\u003e {\n    let mut encoder = GzEncoder::new(Vec::new(), Compression::default());\n    encoder.write_all(input.as_bytes()).expect(\"Compression failed\");\n    encoder.finish().expect(\"Failed to finish compression\")\n}\n\nfn decompress_string(input: \u0026[u8]) -\u003e String {\n    let mut decoder = GzDecoder::new(Vec::new());\n    decoder.write_all(input).expect(\"Decompression failed\");\n    let decompressed_data = decoder.finish().expect(\"Failed to finish decompression\");\n    String::from_utf8(decompressed_data).expect(\"Invalid UTF-8\")\n}\n\nfn compress_file(input_path: \u0026PathBuf) {\n    let target_file_name = format!(\"{}.tflt\", input_path.display());\n    println!(\"TARGET_FILE_NAME: {}\", target_file_name);\n    let input_data = fs::read(input_path).expect(\"Failed to read input file\");\n    let mut encoder = GzEncoder::new(Vec::new(), Compression::default());\n    encoder.write_all(\u0026input_data).expect(\"Compression failed\");\n    let compressed_data = encoder.finish().expect(\"Failed to finish compression\");\n    let target_file = File::create(target_file_name);\n    target_file.unwrap().write_all(\u0026compressed_data).unwrap()\n}\n\nfn decompress_file(input_path: \u0026PathBuf) {\n    let target_file_name = format!(\"{}.uncompressed\", input_path.display());\n    println!(\"Writing decompressed data to {}\", target_file_name);\n    let input_data = fs::read(input_path).expect(\"Failed to read compressed file.\");\n    let mut decompressed_data = vec![];\n    let cursor = Cursor::new(input_data);\n    let mut decoder = GzDecoder::new(cursor);\n    decoder.read_to_end(\u0026mut decompressed_data).expect(\"Decompression failed.\");\n    let mut target_file = File::create(\u0026target_file_name).expect(format!(\"Unable to create uncompressed file -\u003e {}\", target_file_name.clone()).as_str());\n    target_file.write_all(\u0026decompressed_data).expect(format!(\"Unable to write uncompressed file -\u003e {}\", target_file_name).as_str());\n    println!(\"Decompressed: {:?}\", String::from_utf8_lossy(\u0026decompressed_data));\n}\n\nfn main() {\n    let cli = Cli::parse();\n\n    match cli.command {\n        Commands::Compress { input } =\u003e {\n            let compressed = compress_string(\u0026input);\n            // Convert to hex format for easier readability in the terminal\n            println!(\"Compressed (hex): {:?} / from {}b to {}b\", hex::encode(compressed.clone()), input.len(), compressed.len());\n        }\n        Commands::Decompress { input } =\u003e {\n            // Decode hex string back to bytes\n            let compressed_bytes = hex::decode(input).expect(\"Invalid hex input\");\n            let decompressed = decompress_string(\u0026compressed_bytes);\n            println!(\"Decompressed: {}\", decompressed);\n        }\n        Commands::DecompressFile { input } =\u003e {\n            decompress_file(\u0026input);\n        }\n        Commands::CompressFile { input } =\u003e {\n            compress_file(\u0026input);\n        }\n    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crate::chip8::delay_timer::DelayTimer;\nuse crate::chip8::keypad::Keypad;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8::sound_timer::SoundTimer;\nuse crate::chip8::stack::Chip8Stack;\nuse log::debug;\nuse serde::{Deserialize, Serialize};\nuse crate::chip8::util::InstructionUtil;\nuse super::{\n    cpu_states::Chip8CpuStates, instructions::Chip8CpuInstructions,\n    system_memory::Chip8SystemMemory, video::Chip8Video,\n};\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8Computer {\n    pub num_cycles: i32,\n    pub memory: Chip8SystemMemory,\n    pub registers: Chip8Registers,\n    pub sound_timer: SoundTimer,\n    pub delay_timer: DelayTimer,\n    pub video_memory: Chip8Video,\n    pub state: Chip8CpuStates,\n    pub keypad: Keypad,\n    pub stack: Chip8Stack,\n    pub quirk_mode: QuirkMode,\n}\n\nimpl PartialEq for Chip8Computer {\n    fn eq(\u0026self, other: \u0026Self) -\u003e bool {\n        self.video_memory.format_as_string() == other.video_memory.format_as_string() \u0026\u0026\n            self.keypad.format_as_string() == other.keypad.format_as_string() \u0026\u0026\n            self.num_cycles == other.num_cycles \u0026\u0026\n            self.memory == other.memory\n    }\n}\n\nimpl Default for Chip8Computer {\n    fn default() -\u003e Self {\n        Self {\n            num_cycles: 0,\n            memory: Chip8SystemMemory::default(),\n            video_memory: Chip8Video::default(),\n            registers: Chip8Registers::default(),\n            sound_timer: SoundTimer::new(),\n            delay_timer: DelayTimer::new(),\n            state: Chip8CpuStates::default(),\n            keypad: Keypad::default(),\n            stack: Chip8Stack::default(),\n            quirk_mode: QuirkMode::default(),\n        }\n    }\n}\n\nimpl Chip8Computer {\n    pub fn reset(\u0026mut self, quirk_mode: QuirkMode) {\n        self.video_memory.reset();\n        self.num_cycles = 0;\n        self.registers.reset();\n        self.delay_timer.reset();\n        self.sound_timer.reset();\n        self.stack.reset();\n        self.memory.reset(quirk_mode);\n        self.quirk_mode = quirk_mode;\n    }\n\n    pub fn dump_keypad_to_string(\u0026self) -\u003e String {\n        self.keypad.format_as_string()\n    }\n\n    pub fn dump_registers_to_string(\u0026self) -\u003e String {\n        self.registers.format_as_string()\n    }\n\n    pub fn dump_video_to_string(\u0026self) -\u003e String {\n        self.clone().video_memory.format_as_string()\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8Computer::default()\n    }\n\n    pub fn load_bytes_to_memory(\u0026mut self, offset: u16, to_load: \u0026Vec\u003cu8\u003e) {\n        let total_len = to_load.len() as u16;\n        for current_index in 0..total_len {\n            let new_value = to_load[current_index as usize];\n            let new_location = current_index + offset;\n            self.memory.poke(new_location, new_value);\n        }\n        self.registers.set_pc(offset);\n    }\n\n\n    pub fn step_system(\u0026mut self) -\u003e \u0026mut Chip8Computer {\n        println!(\"Stepping System 1 Step\");\n        // read the next instruction\n        let local_memory = \u0026self.memory;\n\n        //    let mut working_instruction: u16 = 0b0000000000000000;\n        let start_pc = self.registers.peek_pc();\n        let high_byte = (local_memory.peek(start_pc) as u16).rotate_left(8);\n        let low_byte = local_memory.peek(start_pc + 1) as u16;\n        let result = high_byte | low_byte;\n        let decoded_instruction = Chip8CpuInstructions::decode(result, \u0026self.quirk_mode);\n        // todo: THIS IS BAD AND IS A SIDE EFFECT\n        decoded_instruction.execute(self);\n\n        match self.state {\n            Chip8CpuStates::WaitingForInstruction =\u003e {\n                //     println!(\"Ticking sound, delay, video\");\n                self.sound_timer.tick();\n                self.delay_timer.tick();\n                self.video_memory.tick();\n                self.num_cycles += 1;\n            }\n            Chip8CpuStates::WaitingForKey =\u003e {\n                debug!(\"waiting for a key press...\");\n            }\n            _ =\u003e {}\n        }\n        self\n    }\n}\n","traces":[{"line":30,"address":[1713632,1714187],"length":1,"stats":{"Line":1}},{"line":31,"address":[814247],"length":1,"stats":{"Line":1}},{"line":32,"address":[41428651],"length":1,"stats":{"Line":1}},{"line":33,"address":[814715],"length":1,"stats":{"Line":1}},{"line":34,"address":[41428913],"length":1,"stats":{"Line":1}},{"line":39,"address":[806336,806803],"length":1,"stats":{"Line":5}},{"line":42,"address":[1618577],"length":1,"stats":{"Line":6}},{"line":43,"address":[806367],"length":1,"stats":{"Line":11}},{"line":44,"address":[1334568],"length":1,"stats":{"Line":12}},{"line":45,"address":[1774526],"length":1,"stats":{"Line":7}},{"line":46,"address":[1774541],"length":1,"stats":{"Line":12}},{"line":47,"address":[1026076],"length":1,"stats":{"Line":7}},{"line":48,"address":[1026092],"length":1,"stats":{"Line":13}},{"line":49,"address":[1774587],"length":1,"stats":{"Line":7}},{"line":50,"address":[900850],"length":1,"stats":{"Line":13}},{"line":56,"address":[1714720],"length":1,"stats":{"Line":2}},{"line":57,"address":[1335001],"length":1,"stats":{"Line":2}},{"line":58,"address":[1619096],"length":1,"stats":{"Line":4}},{"line":59,"address":[4039567],"length":1,"stats":{"Line":4}},{"line":60,"address":[1774942],"length":1,"stats":{"Line":4}},{"line":61,"address":[41429549],"length":1,"stats":{"Line":4}},{"line":62,"address":[1714812],"length":1,"stats":{"Line":4}},{"line":63,"address":[2491071],"length":1,"stats":{"Line":4}},{"line":64,"address":[551163],"length":1,"stats":{"Line":4}},{"line":67,"address":[823088],"length":1,"stats":{"Line":1}},{"line":68,"address":[4039681],"length":1,"stats":{"Line":1}},{"line":71,"address":[1714912],"length":1,"stats":{"Line":1}},{"line":72,"address":[4039729],"length":1,"stats":{"Line":1}},{"line":75,"address":[901492,901376],"length":1,"stats":{"Line":2}},{"line":76,"address":[1335245],"length":1,"stats":{"Line":2}},{"line":79,"address":[551424],"length":1,"stats":{"Line":5}},{"line":80,"address":[1026792],"length":1,"stats":{"Line":9}},{"line":83,"address":[901552],"length":1,"stats":{"Line":3}},{"line":84,"address":[823405],"length":1,"stats":{"Line":1}},{"line":85,"address":[1026958,1026872],"length":1,"stats":{"Line":4}},{"line":86,"address":[1026973],"length":1,"stats":{"Line":3}},{"line":87,"address":[901750,901801],"length":1,"stats":{"Line":1}},{"line":88,"address":[1027048],"length":1,"stats":{"Line":3}},{"line":90,"address":[901671],"length":1,"stats":{"Line":1}},{"line":94,"address":[823632],"length":1,"stats":{"Line":4}},{"line":95,"address":[4040228],"length":1,"stats":{"Line":2}},{"line":97,"address":[1027142],"length":1,"stats":{"Line":4}},{"line":100,"address":[807582],"length":1,"stats":{"Line":2}},{"line":101,"address":[1775658,1775721],"length":1,"stats":{"Line":6}},{"line":102,"address":[2491999,2491809],"length":1,"stats":{"Line":4}},{"line":103,"address":[816211],"length":1,"stats":{"Line":2}},{"line":104,"address":[902067],"length":1,"stats":{"Line":4}},{"line":106,"address":[1335943],"length":1,"stats":{"Line":2}},{"line":108,"address":[1620066],"length":1,"stats":{"Line":2}},{"line":109,"address":[902321],"length":1,"stats":{"Line":2}},{"line":111,"address":[1336049],"length":1,"stats":{"Line":2}},{"line":112,"address":[41430560],"length":1,"stats":{"Line":2}},{"line":113,"address":[552123],"length":1,"stats":{"Line":4}},{"line":114,"address":[2492150,2492078,2492142],"length":1,"stats":{"Line":6}},{"line":117,"address":[1027634,1027534],"length":1,"stats":{"Line":2}}],"covered":55,"coverable":55},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","computer_manager.rs"],"content":"use std::fs::File;\nuse std::io::{BufReader, Read};\nuse std::path::Path;\nuse crate::chip8::computer::Chip8Computer;\nuse crate::chip8::cpu_states::Chip8CpuStates;\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForInstruction;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse std::thread;\nuse std::thread::sleep;\nuse std::time::{Duration, Instant};\n\npub enum ManagerDumpables {\n    Video,\n    Registers,\n    Keyboard,\n}\n\npub struct Chip8ComputerManager {\n    pub core_should_run: bool,\n    one_step: bool,\n    core_last_cycle_start: Instant,\n    computer: Chip8Computer,\n}\n\nimpl Default for Chip8ComputerManager {\n    fn default() -\u003e Self {\n        Chip8ComputerManager {\n            core_should_run: false,\n            one_step: false,\n            core_last_cycle_start: Instant::now(),\n            computer: Chip8Computer::new(),\n        }\n    }\n}\n\nimpl Chip8ComputerManager {\n\n    /// Builds a string that can be displayed at a console giving the user\n    /// an idea of the internal state of the Chip-8 Computer\n    pub fn status_as_string(\u0026self) -\u003e String {\n        // build a string\n        format!(\"Should Run: {}\\nLast Cycle Start: {:?}\\nNum Cycles: {}\\nRegisters\\n{}\\nTimers: {}/{}\\nKeypad: \\n{}\\nVideo:\\n{}\",\n            self.core_should_run,\n            self.core_last_cycle_start,\n            self.computer.num_cycles,\n            self.computer.registers.format_as_string(),\n            self.computer.delay_timer.current(),\n            self.computer.sound_timer.current(),\n            self.computer.keypad.format_as_string(),\n            self.computer.video_memory.format_as_string()\n        )\n    }\n\n    pub fn quirks_mode(\u0026self) -\u003e QuirkMode {\n        self.computer.quirk_mode.clone()\n    }\n\n    pub fn reset(\u0026mut self, mode: QuirkMode) {\n        self.one_step = false;\n        self.core_should_run = false;\n        self.computer.reset(mode);\n    }\n    pub fn new() -\u003e Chip8ComputerManager {\n        let _ = thread::spawn(move || loop {\n            let start_time = Instant::now();\n            let sleep_time = Instant::now().duration_since(start_time).as_millis();\n            sleep(Duration::from_millis((16 - sleep_time) as u64));\n        });\n\n        Chip8ComputerManager::default()\n    }\n\n    pub fn start(\u0026mut self) {\n        self.core_should_run = true;\n    }\n\n    pub fn stop(\u0026mut self) {\n        self.core_should_run = false\n    }\n\n    pub fn step(\u0026mut self) {\n        self.one_step = true;\n    }\n\n    pub fn state(\u0026mut self) -\u003e \u0026Chip8Computer {\n        \u0026self.computer\n    }\n\n    pub fn tick(\u0026mut self) -\u003e bool {\n        //   println!(\"STARTING TICK\");\n        let mut did_tick: bool = false;\n        if self.one_step | self.core_should_run {\n            if let WaitingForInstruction = self.computer.state {\n                self.core_last_cycle_start = Instant::now();\n                self.computer.step_system();\n                did_tick = true\n                //   println!(\"SYSTEM STEP\");\n            }\n        };\n        if self.one_step {\n            println!(\"SYSTEM HALTED AFTER 1 STEP\");\n            // stop the CPU for the next cycle, we are only\n            // wanting one step.\n            self.one_step = false;\n            did_tick = true;\n        }\n        did_tick\n    }\n\n    pub fn press_key(\u0026mut self, key_index: u8) {\n        self.computer.keypad.push_key(key_index);\n        if matches!(self.computer.state, Chip8CpuStates::WaitingForKey) {\n            self.computer.state = WaitingForInstruction\n        }\n    }\n    pub fn release_key(\u0026mut self, key_index: u8) {\n        self.computer.keypad.release_key(key_index);\n    }\n\n    pub fn sound(managed: \u0026Chip8ComputerManager) -\u003e bool {\n        managed.computer.sound_timer.current() \u003e 0\n    }\n\n    pub fn wait_for_instruction(\u0026mut self) {\n        self.computer.state = WaitingForInstruction;\n    }\n\n    pub fn is_key_pressed(\u0026self, key_index: u8) -\u003e bool {\n        self.computer.keypad.pressed(key_index)\n    }\n\n    pub fn num_cycles(\u0026self) -\u003e i32 {\n        self.computer.num_cycles\n    }\n\n    pub fn load_new_program_to_system_memory(\u0026mut self, bytes_to_load: Vec\u003cu8\u003e) {\n        self.reset(self.computer.quirk_mode.clone());\n        self.computer.load_bytes_to_memory(0x200, \u0026bytes_to_load);\n    }\n\n    pub fn dump_to_string(\u0026self, dump_type: ManagerDumpables) -\u003e String {\n        match dump_type {\n            ManagerDumpables::Video =\u003e self.computer.video_memory.format_as_string(),\n            ManagerDumpables::Registers =\u003e self.computer.registers.format_as_string(),\n            ManagerDumpables::Keyboard =\u003e self.computer.keypad.format_as_string(),\n        }\n    }\n\n    pub fn load_new_program_from_disk_to_system_memory(\u0026mut self, file_to_load: \u0026Path) {\n        // load the file into bytes...\n        let file = File::open(file_to_load).unwrap();\n        let mut reader = BufReader::new(file);\n        let mut chunks = Vec::new();\n\n        loop {\n            let mut buffer = vec![0u8; 1];\n            let bytes_read = reader.read(\u0026mut buffer).unwrap_or(0);\n            if bytes_read == 0 {\n                break;\n            }\n            buffer.truncate(bytes_read);\n            chunks.push(buffer[0]);\n        }\n\n        self.load_new_program_to_system_memory(chunks);\n        // ...then use the existing method\n        self.core_should_run = true;\n    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serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Default, Serialize, Deserialize, Debug)]\npub enum Chip8CpuStates {\n    #[default]\n    WaitingForInstruction,\n    WaitingForKey,\n    ExecutingInstruction,\n    Error,\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","delay_timer.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub struct DelayTimer {\n    counter: u8,\n}\n\nimpl Default for DelayTimer {\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}\n\nimpl DelayTimer {\n    pub fn current(\u0026self) -\u003e u8 {\n        self.counter\n    }\n\n    pub fn new() -\u003e Self {\n        DelayTimer { counter: 0xff }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.counter = 0xff;\n    }\n\n    pub fn set_timer(\u0026mut self, new_value: u8) {\n        self.counter = new_value\n    }\n\n    pub fn tick(\u0026mut self) {\n        if self.counter \u003e 0 {\n            self.counter -= 1;\n        }\n    }\n}\n","traces":[{"line":9,"address":[1711936],"length":1,"stats":{"Line":1}},{"line":10,"address":[805249],"length":1,"stats":{"Line":1}},{"line":15,"address":[1023184],"length":1,"stats":{"Line":1}},{"line":16,"address":[897925],"length":1,"stats":{"Line":1}},{"line":23,"address":[813760],"length":1,"stats":{"Line":4}},{"line":24,"address":[4036789],"length":1,"stats":{"Line":4}},{"line":27,"address":[1772160],"length":1,"stats":{"Line":2}},{"line":28,"address":[897980],"length":1,"stats":{"Line":2}},{"line":31,"address":[1616000],"length":1,"stats":{"Line":5}},{"line":32,"address":[813806,813847],"length":1,"stats":{"Line":5}},{"line":33,"address":[813821,813849],"length":1,"stats":{"Line":4}}],"covered":11,"coverable":11},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","instructions.rs"],"content":"use crate::chip8::computer::Chip8Computer;\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForKey;\nuse crate::chip8::instructions::Chip8CpuInstructions::*;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse crate::chip8::util::InstructionUtil;\nuse crate::constants::*;\nuse log::debug;\nuse rand::Rng;\nuse serde::{Deserialize, Serialize};\nuse std::fmt::{Debug, Display, Formatter};\nuse std::ops::BitAnd;\n\n/*\nnnn or addr - A 12-bit value, the lowest 12 bits of the instruction\nn or nibble - A 4-bit value, the lowest 4 bits of the instruction\nx - A 4-bit value, the lower 4 bits of the high byte of the instruction\ny - A 4-bit value, the upper 4 bits of the low byte of the instruction\nkk or byte - An 8-bit value, the lowest 8 bits of the instruction\n */\n\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub enum Chip8CpuInstructions {\n    /// 0nnn\n    /// Exit to System Call at nnn\n    SYS(u16),\n    /// 00E0\n    /// Clear the display.\n    CLS,\n    /// 00EE\n    /// Return from a subroutine.\n    ///\n    /// The interpreter sets the program counter to the address at the top of the stack,\n    /// then subtracts 1 from the stack pointer.\n    RET,\n    /// 1nnn\n    /// Jump to location nnn.\n    ///\n    /// The interpreter sets the program counter to nnn.\n    JPA(u16),\n    /// 2nnn\n    /// Call subroutine at nnn.\n    ///\n    /// The interpreter increments the stack pointer, then puts the current PC on the top\n    /// of the stack. The PC is then set to nnn.\n    CALL(u16),\n    /// 0x3xkk\n    /// Skip next instruction if Vx = kk.\n    ///\n    /// The interpreter compares register Vx to kk, and if they are equal, increments the\n    /// program counter by 2.\n    SEX(u8, u8),\n    /// 4xkk\n    /// Skip next instruction if Vx != kk.\n    ///\n    /// The interpreter compares register Vx to kk, and if they are not equal, increments\n    /// the program counter by 2.\n    SNEB(u8, u8),\n    /// 5xy0\n    /// Skip next instruction if Vx = Vy.\n    ///\n    /// The interpreter compares register Vx to register Vy, and if they are equal, increments\n    /// the program counter by 2.\n    SEY(u8, u8),\n    /// 6xkk\n    /// Set Vx = kk\n    LDR(u8, u8),\n    /// 7xkk\n    /// The interpreter puts the value kk into register Vx.\n    ADD(u8, u8),\n    /// 8xy0\n    /// Adds the value kk to the value of register Vx, then stores the result in Vx.\n    LDRY(u8, u8),\n    /// 8xy1\n    /// Stores the value of register Vy in register Vx.\n    OR(u8, u8),\n    /// 8xy2\n    /// Set Vx = Vx OR Vy.\n    ///\n    /// Performs a bitwise OR on the values of Vx and Vy, then stores the result in Vx.\n    /// A bitwise OR compares the corrseponding bits from two values, and if either\n    /// bit is 1, then the same bit in the result is also 1. Otherwise, it is 0.\n    AND(u8, u8),\n    /// 8xy3\n    /// Set Vx = Vx AND Vy.\n    ///\n    /// Performs a bitwise AND on the values of Vx and Vy, then stores the result in Vx.\n    /// A bitwise AND compares the corrseponding bits from two values, and if both bits\n    /// are 1, then the same bit in the result is also 1. Otherwise, it is 0.\n    ORY(u8, u8),\n    /// 8xy4\n    /// Set Vx = Vx XOR Vy.\n    ///\n    /// Performs a bitwise exclusive OR on the values of Vx and Vy, then stores the\n    /// result in Vx. An exclusive OR compares the corrseponding bits from two values,\n    /// and if the bits are not both the same, then the corresponding bit in the result\n    /// is set to 1. Otherwise, it is 0.\n    ADDR(u8, u8),\n    /// 8xy5\n    /// Set Vx = Vx + Vy, set VF = carry.\n    ///\n    /// The values of Vx and Vy are added together. If the result is greater than 8 bits\n    /// (i.e., \u003e 255,) VF is set to 1, otherwise 0. Only the lowest 8 bits of the result\n    /// are kept, and stored in Vx.\n    SUB(u8, u8),\n    /// 8xy6\n    /// Set Vx = Vx - Vy, set VF = NOT borrow.\n    ///\n    /// If Vx \u003e Vy, then VF is set to 1, otherwise 0. Then Vy is subtracted from Vx, and the\n    /// results stored in Vx.\n    SHR(u8, u8),\n    /// 8xy7\n    /// If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx\n    /// is divided by 2.\n    SUBC(u8, u8),\n    /// 8xye\n    /// Set Vx = Vy - Vx, set VF = NOT borrow.\n    //\n    /// If Vy \u003e Vx, then VF is set to 1, otherwise 0. Then Vx is subtracted from Vy, and the\n    /// results stored in Vx.\n    SHL(u8, u8),\n    /// 9xy0\n    /// Skip next instruction if Vx != Vy.\n    ///\n    /// The values of Vx and Vy are compared, and if they are not equal, the program\n    /// counter is increased by 2.\n    SNEY(u8, u8),\n    /// Annn\n    /// Set I = nnn.\n    ///\n    /// The value of register I is set to nnn\n    LDIA(u16),\n    /// Bnnn\n    /// Jump to location nnn + V0.\n    ///\n    /// The program counter is set to nnn plus the value of V0.\n    JPI(u16),\n    /// Cxkk\n    /// Set Vx = random byte AND kk.\n    ///\n    /// The interpreter generates a random number from 0 to 255, which is then\n    /// ANDed with the value kk. The results are stored in Vx. See instruction\n    /// 8xy2 for more information on AND.\n    RND(u8, u8),\n    /// Dxyn\n    /// Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision.\n    ///\n    /// In Chip-8,\n    ///\n    /// The interpreter reads n bytes from memory, starting at the address stored in I.\n    /// These bytes are then displayed as sprites on screen at coordinates (Vx, Vy).\n    /// Sprites are XORed onto the existing screen. If this causes any pixels to be erased,\n    /// VF is set to 1, otherwise it is set to 0. If the sprite is positioned so part of\n    /// it is outside the coordinates of the display, it wraps around to the opposite side\n    /// of the screen. See instruction 8xy3 for more information on XOR, and section 2.4,\n    /// Display, for more information on the Chip-8 screen and sprites.\n    ///\n    /// In SCHIP\n    ///\n    /// Show N-byte sprite from M(I) at Coords (VX,VY) VF = Collision.\n    /// If N=0 AND ExtendedMode, 16x16 sprite\n    DRW(u8, u8, u8),\n    /// Ex9E\n    /// Skip next instruction if key with the value of Vx is pressed.\n    ///\n    /// Checks the keyboard, and if the key corresponding to the value of Vx is currently\n    /// in the down position, PC is increased by 2.\n    SKP(u8),\n    /// ExA1\n    /// Skip next instruction if key with the value of Vx is not pressed.\n    ///\n    /// Checks the keyboard, and if the key corresponding to the value of Vx is currently in\n    /// the up position, PC is increased by 2.\n    /// On XO Chip, Skips 2 more bytes when the instruction is 4 bytes long\n    SKNP(u8),\n    /// Fx07\n    /// The value of DT is placed into Vx.\n    LDRD(u8),\n    /// Fx0A\n    /// Wait for a key press, store the value of the key in Vx.\n    ///\n    /// All execution stops until a key is pressed, then the value of that key is stored in Vx.\n    LDRK(u8),\n    /// Fx15\n    /// Set delay timer = Vx.\n    ///\n    /// DT is set equal to the value of Vx.\n    LDD(u8), // 0xFx15 Set Delay Timer\n    /// Fx18\n    /// Set sound timer = Vx.\n    ///\n    /// ST is set equal to the value of Vx.\n    LDIS(u8),\n    /// Fx1E - ADD I, Vx\n    /// Set I = I + Vx.\n    ///\n    /// The values of I and Vx are added, and the results are stored in I.\n    ADDI(u8),\n    /// Fx29 - LD F, Vx\n    /// Set I = location of sprite for digit Vx.\n    ///\n    /// The value of I is set to the location for the hexadecimal sprite\n    /// corresponding to the value of Vx. See section 2.4, Display, for\n    /// more information on the Chip-8 hexadecimal font.\n    LDFX(u8),\n    /// Fx33 - LD B, Vx\n    /// Store BCD representation of Vx in memory locations I, I+1, and I+2.\n    ///\n    /// The interpreter takes the decimal value of Vx, and places the hundreds\n    /// digit in memory at location in I, the tens digit at location I+1, and the\n    /// ones digit at location I+2.\n    BCD(u8),\n    /// Fx55 - LD [I], Vx\n    /// Store registers V0 through Vx in memory starting at location I.\n    ///\n    /// The interpreter copies the values of registers V0 through Vx into memory,\n    /// starting at the address in I.\n    LDIX(u8),\n    /// Fx65 - LD Vx, [I]\n    /// Read registers V0 through Vx from memory starting at location I.\n    ///\n    /// The interpreter reads values from memory starting at location I into registers\n    /// V0 through Vx.\n    LDRI(u8),\n    XXXXERRORINSTRUCTION,\n    // 00Dn - CHIP8 - SCHIP * XOCHIP\n    /* START OF SCHIP-8 */\n    /// 00CN - CHIP8 * SCHIP * XOCHIP\n    ///\n    /// Scrolll Display N Lines Down\n    SCD(u8),\n    /// 00FB\n    ///\n    /// Scroll 4 lines Right\n    SCR,\n    /// 00FC\n    ///\n    /// Scroll 4 lines Left\n    SCL,\n    /// 00FE\n    ///\n    /// Disable Extended Mode\n    LOW,\n    /// 00FF\n    ///\n    /// Enable Extended Mode\n    HIGH,\n    /// 00FD\n    ///\n    /// Exit App\n    EXIT,\n    /// FX30\n    ///\n    /// Point I to 10 yte font sprite for digit VX (0..9)\n    LDF2(u8),\n    /// FX75\n    ///\n    /// Store V0..VX in RPL user flags (X \u003c= 7\n    STR(u8),\n    /// FX85\n    ///\n    /// Load V0..VX from RPL user flags (X \u003c= 7)\n    LIDR(u8),\n    /// 0xBxNN\n    ///\n    /// Jump to Address XNN+Vx\n    JPX(u8, u16),\n    /// 0x00Cn\n    ///\n    /// scroll screen content down N pixel, in XO-CHIP only selected bit\n    /// planes are scrolled (Quirks are HP48 specific)\n    SCU(u8),\n    /// 0xNNNN\n    ///\n    /// data word\n    /// used for specifying data to be used in system memory\n    DW(u16),\n}\n\nimpl Chip8CpuInstructions {\n    pub fn name(\u0026self) -\u003e \u0026str {\n        match self {\n            ADDI(_) =\u003e INST_ADDI,\n            ADD(_, _) =\u003e INST_ADD,\n            ADDR(_, _) =\u003e INST_ADDR,\n            AND(_, _) =\u003e INST_AND,\n            CLS =\u003e INST_CLS,\n            CALL(_) =\u003e INST_CALL,\n            DRW(_, _, _) =\u003e INST_DRW,\n            EXIT =\u003e INST_EXIT,\n            JPA(_) =\u003e INST_JPA,\n            JPI(_) =\u003e INST_JPI,\n            BCD(_) =\u003e INST_BCD,\n            LDD(_) =\u003e INST_LDD,\n            LDFX(_) =\u003e INST_LDF,\n            LDF2(_) =\u003e INST_LDF2,\n            LDIA(_) =\u003e INST_LDIA,\n            LDIX(_) =\u003e INST_LDIX,\n            LIDR(_) =\u003e INST_LIDR,\n            LDIS(_) =\u003e INST_LDIS,\n            LDR(_, _) =\u003e INST_LDR,\n            LDRD(_) =\u003e INST_LDRD,\n            LDRI(_) =\u003e INST_LDRI,\n            LDRK(_) =\u003e INST_LDRK,\n            LDRY(_, _) =\u003e INST_LDRY,\n            OR(_, _) =\u003e INST_OR,\n            RET =\u003e INST_RET,\n            RND(_, _) =\u003e INST_RND,\n            SCD(_) =\u003e INST_SCD,\n            SCL =\u003e INST_SCL,\n            SCR =\u003e INST_SCR,\n            SEX(_, _) =\u003e INST_SEX,\n            SEY(_, _) =\u003e INST_SEY,\n            SHL(_, _) =\u003e INST_SHL,\n            SHR(_, _) =\u003e INST_SHR,\n            SKP(_) =\u003e INST_SKP,\n            SNEB(_, _) =\u003e INST_SNEB,\n            SNEY(_, _) =\u003e INST_SNEY,\n            SKNP(_) =\u003e INST_SKNP,\n            STR(_) =\u003e INST_STR,\n            SUB(_, _) =\u003e INST_SUB,\n            SUBC(_, _) =\u003e INST_SUBC,\n            SYS(_) =\u003e INST_SYS,\n            LOW =\u003e INST_LOW,\n            HIGH =\u003e INST_HIGH,\n            ORY(_, _) =\u003e INST_ORY,\n            JPX(_, _) =\u003e INST_JPX,\n            XXXXERRORINSTRUCTION =\u003e \"XX ERROR XX\",\n            SCU(_) =\u003e INST_SCU,\n            DW(_) =\u003e INST_DW,\n        }\n    }\n\n    pub fn operands(\u0026self) -\u003e String {\n        match self {\n            JPX(x, addr) =\u003e {\n                let addr_for_display = (*x as u16) \u003c\u003c 8 | *addr;\n                format!(\"0x{x:02x}, 0x{addr_for_display:04x}\")\n            }\n            Chip8CpuInstructions::DW(addr)\n            | Chip8CpuInstructions::SYS(addr)\n            | Chip8CpuInstructions::JPI(addr)\n            | Chip8CpuInstructions::JPA(addr)\n            | Chip8CpuInstructions::LDIA(addr)\n            | Chip8CpuInstructions::CALL(addr) =\u003e {\n                format!(\"0x{addr:04x}\")\n            }\n            Chip8CpuInstructions::SEX(x, byte)\n            | Chip8CpuInstructions::SNEB(x, byte)\n            | Chip8CpuInstructions::LDR(x, byte)\n            | Chip8CpuInstructions::RND(x, byte)\n            | Chip8CpuInstructions::ADD(x, byte) =\u003e {\n                format!(\"0x{x:02x}, 0x{byte:02x}\")\n            }\n            // Reg, Reg\n            SEY(x, y)\n            | Chip8CpuInstructions::LDRY(x, y)\n            | Chip8CpuInstructions::OR(x, y)\n            | Chip8CpuInstructions::AND(x, y)\n            | Chip8CpuInstructions::ORY(x, y)\n            | Chip8CpuInstructions::ADDR(x, y)\n            | Chip8CpuInstructions::SUB(x, y)\n            | Chip8CpuInstructions::SHR(x, y)\n            | Chip8CpuInstructions::SUBC(x, y)\n            | Chip8CpuInstructions::SHL(x, y)\n            | Chip8CpuInstructions::SNEY(x, y) =\u003e {\n                format!(\"0x{x:01x}, 0x{y:01x}\")\n            }\n            // Reg, Reg, Nibble\n            Chip8CpuInstructions::DRW(x, y, nibble) =\u003e {\n                format!(\"0x{x:02x}, 0x{y:02x}, 0x{nibble:02x}\")\n            }\n            // Registers.  0-F\n            Chip8CpuInstructions::SCU(x)\n            | Chip8CpuInstructions::LDD(x)\n            | Chip8CpuInstructions::LDIS(x)\n            | Chip8CpuInstructions::ADDI(x)\n            | Chip8CpuInstructions::LDFX(x)\n            | Chip8CpuInstructions::BCD(x)\n            | Chip8CpuInstructions::LDIX(x)\n            | Chip8CpuInstructions::LDRD(x)\n            | Chip8CpuInstructions::LDRK(x)\n            | Chip8CpuInstructions::LDRI(x)\n            | Chip8CpuInstructions::LDF2(x)\n            | Chip8CpuInstructions::STR(x)\n            | Chip8CpuInstructions::LIDR(x)\n            | Chip8CpuInstructions::SCD(x)\n            | Chip8CpuInstructions::SKNP(x)\n            | Chip8CpuInstructions::SKP(x) =\u003e {\n                format!(\"0x{x:02x}\")\n            }\n            Chip8CpuInstructions::EXIT\n            | Chip8CpuInstructions::HIGH\n            | Chip8CpuInstructions::LOW\n            | Chip8CpuInstructions::SCL\n            | Chip8CpuInstructions::XXXXERRORINSTRUCTION\n            | Chip8CpuInstructions::SCR\n            | Chip8CpuInstructions::CLS\n            | Chip8CpuInstructions::RET =\u003e String::new(),\n        }\n    }\n}\n\nimpl Display for Chip8CpuInstructions {\n    fn fmt(\u0026self, f: \u0026mut Formatter\u003c'_\u003e) -\u003e std::fmt::Result {\n        let ops = self.operands();\n        let space = if ops.is_empty() { \"\" } else { \" \" };\n        write!(f, \"{}{}{}\", self.name(), space, ops)\n    }\n}\n\nimpl Chip8CpuInstructions {\n    pub fn from_str(input: \u0026str) -\u003e Chip8CpuInstructions {\n        let mut parts = input.split(\" \");\n        //  print!(\"THERE ARE {} PARTS\", parts.clone().count());\n        let first_part = parts.next().unwrap_or(\"\").to_ascii_uppercase();\n        // take the next value...\n        // ...strip off the extra...\n        // ...convert it to an integer from base 16\n        let param1 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        let param2 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        let param3 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        println!(\n            \"\\tFirst part is {:?} / {:?} / {:?} / {:?}\",\n            first_part, param1, param2, param3\n        );\n        match first_part.as_str() {\n            INST_ADDI =\u003e ADDI(param1 as u8),\n            INST_ADD =\u003e ADD(param1 as u8, param2 as u8),\n            INST_CLS =\u003e CLS,\n            INST_DRW =\u003e DRW(param1 as u8, param2 as u8, param3 as u8),\n            INST_CALL =\u003e CALL(param1),\n            INST_SYS =\u003e SYS(param1),\n            INST_RET =\u003e RET,\n            INST_JPA =\u003e JPA(param1),\n            INST_JPI =\u003e JPI(param1),\n            INST_SEX =\u003e SEX(param1 as u8, param2 as u8),\n            INST_SNEB =\u003e SNEB(param1 as u8, param2 as u8),\n            INST_SCD =\u003e SCD(param1 as u8),\n            INST_STR =\u003e STR(param1 as u8),\n            INST_SCL =\u003e SCL,\n            INST_EXIT =\u003e EXIT,\n            INST_LOW =\u003e LOW,\n            INST_HIGH =\u003e HIGH,\n            INST_SEY =\u003e SEY(param1 as u8, param2 as u8),\n            INST_LDRY =\u003e LDRY(param1 as u8, param2 as u8),\n            INST_LDR =\u003e LDR(param1 as u8, param2 as u8),\n            INST_OR =\u003e OR(param1 as u8, param2 as u8),\n            INST_AND =\u003e AND(param1 as u8, param2 as u8),\n            INST_ORY =\u003e ORY(param1 as u8, param2 as u8),\n            INST_ADDR =\u003e ADDR(param1 as u8, param2 as u8),\n            INST_SUB =\u003e SUB(param1 as u8, param2 as u8),\n            INST_SHR =\u003e SHR(param1 as u8, param2 as u8),\n            INST_SHL =\u003e SHL(param1 as u8, param2 as u8),\n            INST_SUBC =\u003e SUBC(param1 as u8, param2 as u8),\n            INST_SNEY =\u003e SNEY(param1 as u8, param2 as u8),\n            INST_LDIA =\u003e LDIA(param1),\n            INST_RND =\u003e RND(param1 as u8, param2 as u8),\n            INST_SKP =\u003e SKP(param1 as u8),\n            INST_SKNP =\u003e SKNP(param1 as u8),\n            INST_LDRD =\u003e LDRD(param1 as u8),\n            INST_LDRK =\u003e LDRK(param1 as u8),\n            INST_LDRI =\u003e LDRI(param1 as u8),\n            INST_BCD =\u003e BCD(param1 as u8),\n            INST_LDF =\u003e LDFX(param1 as u8),\n            INST_LDF2 =\u003e LDF2(param1 as u8),\n            INST_LDIX =\u003e LDIX(param1 as u8),\n            INST_LIDR =\u003e LIDR(param1 as u8),\n            INST_LDIS =\u003e LDIS(param1 as u8),\n            INST_LDD =\u003e LDD(param1 as u8),\n            INST_JPX =\u003e JPX(param1 as u8, param2),\n            INST_DW =\u003e DW(param1 as u16),\n            _ =\u003e XXXXERRORINSTRUCTION,\n        }\n    }\n\n    pub fn encode(\u0026self) -\u003e u16 {\n        match self {\n            SYS(target) =\u003e target \u0026 0x0FFF,\n            CLS =\u003e 0x00E0,\n            RET =\u003e 0x00EE,\n            JPA(new_addr) =\u003e 0x1000 | (new_addr \u0026 0x0FFF),\n            CALL(address) =\u003e 0x2000 | (address \u0026 0x0FFF),\n            SEX(vx_register, byte) =\u003e {\n                0x3000 | ((*vx_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            SNEB(vx_register, byte) =\u003e {\n                0x4000 | ((*vx_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::SEY(x_register, y_register) =\u003e {\n                0x5000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::LDR(x_register, byte) =\u003e {\n                0x6000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::ADD(x_register, byte) =\u003e {\n                0x7000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::LDRY(x_register, y_register) =\u003e {\n                0x8000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::OR(x_register, y_register) =\u003e {\n                0x8001 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::AND(x_register, y_register) =\u003e {\n                0x8002 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::ORY(x_register, y_register) =\u003e {\n                0x8003 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::ADDR(x_register, y_register) =\u003e {\n                0x8004 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SUB(x_register, y_register) =\u003e {\n                0x8005 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SHR(x_register, y_register) =\u003e {\n                0x8006 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SUBC(x_register, y_register) =\u003e {\n                0x8007 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SHL(x_register, y_register) =\u003e {\n                0x800E | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SNEY(x_register, y_register) =\u003e {\n                0x9000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::LDIA(addr) =\u003e 0xA000 | addr,\n            Chip8CpuInstructions::JPI(addr) =\u003e 0xB000 | addr,\n            JPX(x_register, addr) =\u003e (0xb000 | (*x_register as u16) \u003c\u003c 8) | *addr,\n            Chip8CpuInstructions::RND(x_register, byte) =\u003e {\n                0xC000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::DRW(x_register, y_register, height) =\u003e {\n                0xD000\n                    | ((*x_register as u16) \u003c\u003c 8)\n                    | ((*y_register as u16) \u003c\u003c 4)\n                    | (*height as u16)\n            }\n            Chip8CpuInstructions::SKP(x_register) =\u003e 0xE09E | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::SKNP(x_register) =\u003e 0xE0A1 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRD(x_register) =\u003e 0xF007 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRK(x_register) =\u003e 0xF00A | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDD(x_register) =\u003e 0xF015 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDIS(x_register) =\u003e 0xF018 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::ADDI(x_register) =\u003e 0xF01E | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDFX(x_register) =\u003e 0xF029 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::BCD(x_register) =\u003e 0xF033 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDIX(x_register) =\u003e 0xF055 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRI(x_register) =\u003e 0xF065 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::SCD(x_register) =\u003e 0x00C0 | (*x_register as u16),\n            Chip8CpuInstructions::SCR =\u003e 0x00FB,\n            Chip8CpuInstructions::SCL =\u003e 0x00FC,\n            Chip8CpuInstructions::LOW =\u003e 0x00FE,\n            Chip8CpuInstructions::HIGH =\u003e 0x00FF,\n            Chip8CpuInstructions::EXIT =\u003e 0x00FD,\n            Chip8CpuInstructions::LDF2(x_register) =\u003e 0xF030 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::STR(x_register) =\u003e 0xF075 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LIDR(x_register) =\u003e 0xF085 | ((*x_register as u16) \u003c\u003c 8),\n            SCU(x_register) =\u003e 0x00D0 | (*x_register as u16),\n            DW(address) =\u003e *address as u16,\n            XXXXERRORINSTRUCTION =\u003e XXXXERRORINSTRUCTION_ENCODED,\n        }\n    }\n    pub fn decode(input: u16, quirk_mode: \u0026QuirkMode) -\u003e Chip8CpuInstructions {\n        let x_param = InstructionUtil::read_x_from_instruction(input);\n        let y_param = InstructionUtil::read_y_from_instruction(input);\n        let addr_param = InstructionUtil::read_addr_from_instruction(input);\n        let byte_param = InstructionUtil::read_byte_from_instruction(input);\n        let nibble_param = InstructionUtil::read_nibble_from_instruction(input);\n        let ubln = InstructionUtil::read_upper_byte_lower_nibble(input);\n        let last_byte = (input \u0026 0xFF) as u8;\n        let last_nibble = (input \u0026 0xF) as u8;\n\n        match input {\n            0x00C0..=0x00CF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip =\u003e SCD(last_nibble),\n                QuirkMode::SChipModern =\u003e SCD(last_nibble),\n            },\n            0x00E0 =\u003e Chip8CpuInstructions::CLS,\n            0x00EE =\u003e Chip8CpuInstructions::RET,\n            0x00FB =\u003e {\n                match quirk_mode {\n                    QuirkMode::Chip8 =\u003e {\n                        // does not exist on Chip8\n                        XXXXERRORINSTRUCTION\n                    }\n                    QuirkMode::XOChip =\u003e Chip8CpuInstructions::SCR,\n                    QuirkMode::SChipModern =\u003e Chip8CpuInstructions::SCR,\n                }\n            }\n            0x00FC =\u003e Chip8CpuInstructions::SCL,\n            0x00FD =\u003e Chip8CpuInstructions::EXIT,\n            0x00FE =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e LOW,\n            },\n            0x00FF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e HIGH,\n            },\n            0x0000..=0x0FFF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e Chip8CpuInstructions::SYS(addr_param),\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e XXXXERRORINSTRUCTION,\n            },\n            0x1000..=0x1FFF =\u003e JPA(addr_param),\n            0x2000..=0x2FFF =\u003e CALL(addr_param),\n            0x3000..=0x3FFF =\u003e SEX(x_param, byte_param),\n            0x4000..=0x4FFF =\u003e SNEB(x_param, byte_param),\n            0x5000..=0x5FF0 if input \u0026 0x01 == 0 =\u003e SEY(x_param, y_param),\n            0x6000..=0x6FFF =\u003e LDR(x_param, byte_param),\n            0x7000..=0x7FFF =\u003e ADD(x_param, byte_param),\n            0x8000..=0x8FFE =\u003e match last_nibble {\n                0x0 =\u003e Chip8CpuInstructions::LDRY(x_param, y_param),\n                0x1 =\u003e Chip8CpuInstructions::OR(x_param, y_param),\n                0x2 =\u003e Chip8CpuInstructions::AND(x_param, y_param),\n                0x3 =\u003e Chip8CpuInstructions::ORY(x_param, y_param),\n                0x4 =\u003e Chip8CpuInstructions::ADDR(x_param, y_param),\n                0x5 =\u003e Chip8CpuInstructions::SUB(x_param, y_param),\n                0x6 =\u003e Chip8CpuInstructions::SHR(x_param, y_param),\n                0x7 =\u003e Chip8CpuInstructions::SUBC(x_param, y_param),\n                0xE =\u003e Chip8CpuInstructions::SHL(x_param, y_param),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            0x9000..=0x9FF0 if input \u0026 0x01 == 0 =\u003e Chip8CpuInstructions::SNEY(x_param, y_param),\n            0xA000..=0xAFFF =\u003e Chip8CpuInstructions::LDIA(addr_param),\n            0xB000..=0xBFFF =\u003e Chip8CpuInstructions::JPI(addr_param),\n            0xC000..=0xCFFF =\u003e Chip8CpuInstructions::RND(x_param, byte_param),\n            0xD000..=0xDFFF =\u003e Chip8CpuInstructions::DRW(x_param, y_param, nibble_param),\n            0xE09E..=0xEFA1 =\u003e match last_byte {\n                0x9E =\u003e Chip8CpuInstructions::SKP(ubln),\n                0xA1 =\u003e Chip8CpuInstructions::SKNP(ubln),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            0xF007..=0xFF65 =\u003e match last_byte {\n                0x07 =\u003e Chip8CpuInstructions::LDRD(ubln),\n                0x0A =\u003e Chip8CpuInstructions::LDRK(ubln),\n                0x15 =\u003e Chip8CpuInstructions::LDD(ubln),\n                0x18 =\u003e Chip8CpuInstructions::LDIS(ubln),\n                0x1E =\u003e Chip8CpuInstructions::ADDI(ubln),\n                0x29 =\u003e Chip8CpuInstructions::LDFX(ubln),\n                0x30 =\u003e Chip8CpuInstructions::LDF2(ubln),\n                0x33 =\u003e Chip8CpuInstructions::BCD(ubln),\n                0x55 =\u003e Chip8CpuInstructions::LDIX(ubln),\n                0x65 =\u003e Chip8CpuInstructions::LDRI(ubln),\n                0x75 =\u003e Chip8CpuInstructions::STR(ubln),\n                0x85 =\u003e Chip8CpuInstructions::LIDR(ubln),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            _ =\u003e DW(addr_param),\n        }\n    }\n    pub fn execute(\u0026self, input: \u0026mut Chip8Computer) -\u003e Chip8Computer {\n        //        print!(\"INSTRUCTION {}\", self);\n        // let start_time = Instant::now();\n        let start_pc = input.registers.peek_pc();\n        input.registers.poke_pc(start_pc + 2);\n        match self {\n            // 0x0nnn Exit to System Call\n            Chip8CpuInstructions::SYS(new_address) =\u003e {\n                input.registers.poke_pc(*new_address);\n            }\n            // * 0x00E0 Clear Screen\n            Chip8CpuInstructions::CLS =\u003e {\n                input.video_memory.cls();\n            }\n            // 0x00EE Return from Subroutine\n            Chip8CpuInstructions::RET =\u003e {\n                input.registers.poke_pc(input.stack.pop());\n            }\n            // 0x1nnn Jump to Address\n            Chip8CpuInstructions::JPA(new_address) =\u003e {\n                input.registers.poke_pc(*new_address);\n            }\n            // 0x2nnn Call Subroutine\n            Chip8CpuInstructions::CALL(new_address) =\u003e {\n                let return_address = input.registers.peek_pc();\n                input.registers.poke_pc(*new_address);\n                input.stack.push(\u0026return_address);\n            }\n            // 0x3xkk Skip next instruction if Vx = kk.\n            Chip8CpuInstructions::SEX(vx_register, byte) =\u003e {\n                if input.registers.peek(*vx_register) == { *byte } {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x4xkk Skip next instruction if Vx != kk\n            Chip8CpuInstructions::SNEB(x, byte) =\u003e {\n                // 4xkk - SNE Vx, byte\n                // Skip next instruction if Vx != kk.\n                //\n                // The interpreter compares register Vx to kk, and if they are not equal,\n                // increments the program counter by 2.\n                if input.registers.peek(*x) != *byte {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x5xy0 Skip next instruction if Vx == Vy\n            Chip8CpuInstructions::SEY(x, y) =\u003e {\n                if input.registers.peek(*x) == input.registers.peek(*y) {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x6xkk Set Vx = kk\n            Chip8CpuInstructions::LDR(register, byte) =\u003e {\n                input.registers.poke(*register, *byte);\n            }\n            // 0x7xkk Set Vx = Vx + kk\n            Chip8CpuInstructions::ADD(vx_register, byte) =\u003e {\n                input.registers.poke(\n                    *vx_register,\n                    (input.registers.peek(*vx_register) as u16 + *byte as u16) as u8,\n                );\n            }\n            // 0x8xy0 Set value of Vy in Vx\n            Chip8CpuInstructions::LDRY(x, y) =\u003e {\n                input.registers.poke(*x, input.registers.peek(*y));\n            }\n            // 0x8xy1 Set Vx = Vx OR Vy\n            Chip8CpuInstructions::OR(x, y) =\u003e {\n                // shift them to 16 bit\n                let working_16_x = input.registers.peek(*x) as u16;\n                let working_16_y = input.registers.peek(*y) as u16;\n                // OR them\n                let working_16_or = working_16_x | working_16_y;\n                // shift them back to 8 bit.\n                input.registers.poke(*x, working_16_or as u8);\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                debug!(\"OrVxVy [0x{x:1x}] [0x{y:1x}]\")\n            }\n            // 0x8xy2 Set Vx = Vx AND Vy\n            AND(x, y) =\u003e {\n                let lhs_16 = input.registers.peek(*x) as u16;\n                let rhs_16 = input.registers.peek(*y) as u16;\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                input.registers.poke(*x, (lhs_16 \u0026 rhs_16) as u8);\n            }\n            // 0x8xy3 Set Vx = Vx XOR Vy\n            ORY(x, y) =\u003e {\n                let lhs_16 = input.registers.peek(*x) as u16;\n                let rhs_16 = input.registers.peek(*y) as u16;\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                input.registers.poke(*x, (lhs_16 ^ rhs_16) as u8);\n            }\n            // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n            ADDR(x, y) =\u003e {\n                let lhs = input.registers.peek(*x) as i16;\n                let rhs = input.registers.peek(*y) as i16;\n                let working = lhs + rhs;\n                input.registers.poke(*x, working as u8);\n\n                if working \u003e= 0x100 {\n                    input.registers.poke(0xf, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            SUB(x, y) =\u003e {\n                // 8xy5 - SUB Vx, Vy\n                // Set Vx = Vx - Vy, set VF = NOT borrow.\n                //\n                // If Vx \u003e Vy, then VF is set to 1, otherwise 0. Then Vy is subtracted from Vx, and the results stored in Vx.\n\n                let lhs = input.registers.peek(*x);\n                let rhs = input.registers.peek(*y);\n\n                let result;\n\n                let borrow_flag: u8 = if rhs \u003e lhs {\n                    result = (lhs as u16 + 0x100) - rhs as u16;\n                    0\n                } else {\n                    result = lhs as u16 - rhs as u16;\n                    1\n                };\n\n                input.registers.poke(*x, result as u8);\n                input.registers.poke(0x0f, borrow_flag);\n            }\n            Chip8CpuInstructions::SHR(x, _) =\u003e {\n                // 8xy6 - SHR Vx {, Vy}\n                // Set Vx = Vx SHR 1.\n                // SHIFT 1 Bit ----\u003e\n                // If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx is divided by 2.\n                let initial_value = input.registers.peek(*x);\n\n                // overflow check\n                let rotated = initial_value \u003e\u003e 1;\n                input.registers.poke(*x, rotated);\n                if initial_value.bitand(0b1) == 1 {\n                    input.registers.poke(0x0f, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            Chip8CpuInstructions::SUBC(x, y) =\u003e {\n                // 8xy7 - SUBN Vx, Vy\n                // Set Vx = Vy - Vx, set VF = NOT borrow.\n                //\n                // If Vy \u003e Vx, then VF is set to 1, otherwise 0. Then Vx is subtracted from Vy, and the results stored in Vx.\n                let y_register = input.registers.peek(*y);\n                let x_register = input.registers.peek(*x);\n\n                let (new_value, value_to_poke) = if y_register \u003c x_register {\n                    (0, (y_register as u16 + 256) - x_register as u16)\n                } else {\n                    (1, (y_register - x_register) as u16)\n                };\n                input.registers.poke(*x, value_to_poke as u8);\n                input.registers.poke(0xf, new_value);\n            }\n\n            Chip8CpuInstructions::SHL(x, _) =\u003e {\n                // 8xyE - SHL Vx {, Vy}\n                // Set Vx = Vx SHL 1.\n                //\n                // If the most-significant bit of Vx is 1, then VF is set to 1, otherwise to 0. Then Vx is multiplied by 2.\n                let initial_value = input.registers.peek(*x);\n\n                // overflow check\n                let rotated = initial_value \u003c\u003c 1;\n                input.registers.poke(*x, rotated);\n                if initial_value.bitand(0b10000000) == 0b10000000 {\n                    input.registers.poke(0x0f, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            Chip8CpuInstructions::SNEY(vx_register, vy_register) =\u003e {\n                // 9xy0 - SNE Vx, Vy\n                // Skip next instruction if Vx != Vy.\n                //\n                // The values of Vx and Vy are compared, and if they are not equal, the program counter is increased by 2.\n\n                let x_reg_value = input.registers.peek(*vx_register);\n                let y_reg_value = input.registers.peek(*vy_register);\n                if x_reg_value != y_reg_value {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::LDIA(new_index) =\u003e {\n                // Annn - LD I, addr\n                // Set I = nnn.\n                //\n                // The value of register I is set to nnn.\n                //  debug!(\"LdiAddr [0x{new_index:3x}]\");\n                input.registers.poke_i(*new_index);\n            }\n            // 0xBnnn Jump to nnn+V0\n            Chip8CpuInstructions::JPI(addr) =\u003e {\n                // Bnnn - JP V0, addr\n                // Jump to location nnn + V0.\n                //\n                // The program counter is set to nnn plus the value of V0.\n                input\n                    .registers\n                    .poke_pc(input.registers.peek(0) as u16 + addr);\n            }\n            // 0xBxnn Jump to Xnn+Vx\n            JPX(vx_register, addr) =\u003e {\n                let x_reg_value: u16 = input.registers.peek(*vx_register) as u16;\n                let shifted_x_reg = x_reg_value \u003c\u003c 8;\n                let added_addr = shifted_x_reg | addr;\n                let final_addr = added_addr + shifted_x_reg;\n                println!(\"JPX -\u003e {x_reg_value:02x} {shifted_x_reg:04x} {added_addr:04x} {final_addr:04x}\");\n                input.registers.poke_i(final_addr);\n            }\n            Chip8CpuInstructions::RND(x, byte) =\u003e {\n                // Cxkk - RND Vx, byte\n                // Set Vx = random byte AND kk.\n                //\n                // The interpreter generates a random number from 0 to 255,\n                // which is then ANDed with the value kk.\n                // The results are stored in Vx.\n                let mut rng = rand::rng();\n                let new_value: u8 = rng.random();\n                let and_value: u8 = *byte;\n                let result = new_value \u0026 and_value;\n                debug!(\"RANDOM: [{new_value:02x}] AND: [{and_value:02x} Result: [{result:02x}]\");\n                input.registers.poke(*x, new_value \u0026 { *byte })\n            }\n            Chip8CpuInstructions::DRW(y, x, n) =\u003e {\n                // Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision.\n\n                // The interpreter reads n bytes from memory, starting at the address stored in I.\n\n                // These bytes are then displayed as sprites on screen at coordinates (Vx, Vy).\n                // Sprites are XORed onto the existing screen.\n                // If this causes any pixels to be erased, VF is set to 1,\n                //     otherwise it is set to 0.\n                // If the sprite is positioned so part of it is outside the coordinates of the display,\n                //     it wraps around to the opposite side of the screen.\n\n                let source_memory_offset = input.registers.peek_i();\n                let x_offset = input.registers.peek(*x) as u16;\n                let y_offset = input.registers.peek(*y) as u16;\n                if input.video_memory.is_highres() {\n                    // if n == 0 we have a 16 row sprite (font maybe)\n                    let actual_num_loops = if *n == 0u8 { 16 } else { *n };\n                    for byte_index in 0..actual_num_loops {\n                        let current_byte =\n                            input.memory.peek(byte_index as u16 + source_memory_offset);\n                        let next_byte = input\n                            .memory\n                            .peek(byte_index as u16 + 1u16 + source_memory_offset);\n                        let x_offset = (x_offset + byte_index as u16) * 64;\n                        for bit_index in 0..8 {\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16),\n                                (current_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16) + 8,\n                                (next_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                        }\n                    }\n                } else {\n                    for byte_index in 0..*n {\n                        let current_byte =\n                            input.memory.peek(byte_index as u16 + source_memory_offset);\n                        let x_offset: u16 = (x_offset + byte_index as u16) * 64;\n                        for bit_index in 0..8 {\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16),\n                                (current_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                        }\n                    }\n                }\n\n                let target = if input.video_memory.has_frame_changed {\n                    1u8\n                } else {\n                    0u8\n                };\n\n                input.registers.poke(0xf, target);\n            }\n            Chip8CpuInstructions::SKP(x) =\u003e {\n                // Ex9E - SKP Vx\n                // Skip next instruction if key with the value of Vx is pressed.\n                //\n                // Checks the keyboard, and if the key corresponding to the value of Vx is currently in the down position, PC is increased by 2.\n                let key_to_check = input.registers.peek(*x);\n                let is_pressed = input.keypad.pressed(key_to_check);\n                if is_pressed {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::SKNP(x) =\u003e {\n                // ExA1 - SKNP Vx\n                // Skip next instruction if key with the value of Vx is not pressed.\n                //\n\n                // Checks the keyboard,\n                // and if the key corresponding to the value of Vx is currently in the up position,\n                // PC is increased by 2.\n                let target_key = input.registers.peek(*x);\n                let is_pressed = input.keypad.pressed(target_key);\n                debug!(\"SnKpVx [{x:1x}]\");\n                if !is_pressed {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::LDRD(x) =\u003e {\n                // Fx07 - LD Vx, DT\n                // Set Vx = delay timer value.\n                //\n                // The value of DT is placed into Vx.\n                let value_to_set = input.delay_timer.current();\n                input.registers.poke(*x, value_to_set);\n            }\n            Chip8CpuInstructions::LDRK(_) =\u003e {\n                // Fx0A - LD Vx, K\n                // Wait for a key press, store the value of the key in Vx.\n                //\n                // All execution stops until a key is pressed, then the value of that key is stored in Vx.\n                input.state = WaitingForKey;\n            }\n            Chip8CpuInstructions::LDD(source_register) =\u003e {\n                // Fx15 - LD DT, Vx\n                // Set delay timer = Vx.\n                //\n                // DT is set equal to the value of Vx.\n                let new_time = input.registers.peek(*source_register);\n                input.delay_timer.set_timer(new_time);\n            }\n            Chip8CpuInstructions::LDIS(new_time) =\u003e {\n                let new_value = input.registers.peek(*new_time);\n                input.sound_timer.set_timer(new_value as i32);\n            }\n            Chip8CpuInstructions::ADDI(x) =\u003e {\n                // Fx1E - ADD I, Vx\n                // Set I = I + Vx.\n                //\n                // The values of I and Vx are added, and the results are stored in I.\n                let base = input.registers.peek_i();\n                let x_value = input.registers.peek(*x);\n                input.registers.poke_i(base + x_value as u16);\n            }\n            Chip8CpuInstructions::LDFX(x) =\u003e {\n                // Fx29 - LD F, Vx\n                // Set I = location of sprite for digit Vx.\n                //\n                // The value of I is set to the location for the hexadecimal sprite corresponding\n                // to the value of Vx. See section 2.4, Display, for more information on\n                // the Chip-8 hexadecimal font.\n\n                let x_value: u8 = input.registers.peek(*x);\n\n                let real_offset = x_value as u16 * 5;\n                input.registers.poke_i(real_offset);\n            }\n            Chip8CpuInstructions::BCD(x) =\u003e {\n                // Fx33 - LD B, Vx\n                // Store BCD representation of Vx in memory locations I, I+1, and I+2.\n                //\n                // The interpreter takes the decimal value of Vx, and places the hundreds\n                // digit in memory at location in I, the tens digit at location I+1,\n                // and the ones digit at location I+2.\n\n                let to_convert = input.registers.peek(*x);\n\n                // how many hundreds\n                let hundreds = to_convert / 100;\n                // how many tens, minus the hundreds\n                let tens = (to_convert / 10) - (hundreds * 10);\n                // whats the leftover when dividing by 10\n                let units = to_convert % 10;\n\n                // write them to the memory pointed to by I, I+1, and I+2\n                let target_start_offset = input.registers.peek_i();\n                input.memory.poke(target_start_offset, hundreds);\n                input.memory.poke(target_start_offset + 1, tens);\n                input.memory.poke(target_start_offset + 2, units);\n            }\n            Chip8CpuInstructions::LDIX(x) =\u003e {\n                // Store registers V0 through Vx in memory starting at location I.\n                //\n                // The interpreter copi=es the values of registers V0 through Vx into memory,\n                // starting at the address in I.\n                let offset = input.registers.peek_i();\n                for i in 0..=*x {\n                    input\n                        .memory\n                        .poke(offset + i as u16, input.registers.peek(i));\n                }\n                input.registers.poke_i(offset + 1);\n            }\n            Chip8CpuInstructions::LDRI(x) =\u003e {\n                // Read registers V0 through Vx from memory starting at location I.\n                //\n                // The interpreter reads values from memory starting at location I into registers V0 through Vx.\n                let offset = input.registers.peek_i();\n                debug!(\"STARTING TO READ AT {offset:03x}\");\n                let num_loops = x + 1;\n                debug!(\"WILL READ {num_loops:x} BYTES\");\n                for index in 0..num_loops {\n                    let src_value = input.memory.peek(index as u16 + offset);\n                    input.registers.poke(index, src_value);\n                    debug!(\"POKING Register 0x{index:02x} with 0x{src_value:04x} using offset 0x{offset:04x}\");\n                }\n                input.registers.poke_i(offset + 1);\n            }\n            Chip8CpuInstructions::XXXXERRORINSTRUCTION =\u003e {}\n            // SCHIP1.1\n            Chip8CpuInstructions::SCD(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCD in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_down(*x as i32);\n                }\n            },\n            // SCHIP 1.1\n            Chip8CpuInstructions::SCR =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCR in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_right();\n                }\n            },\n            // SCHIP 1.1\n            Chip8CpuInstructions::SCL =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCL in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_left();\n                }\n            },\n            // SCHIP 1.0\n            Chip8CpuInstructions::LOW =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO SET LOWRES IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.set_lowres();\n                }\n            },\n            // SCHIP 1.0\n            Chip8CpuInstructions::HIGH =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO SET HIGHRES IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.set_highres();\n                }\n            },\n            Chip8CpuInstructions::EXIT =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO EXIT FROM CHIP8 INTERPRETER\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"EXIT INTERPRETER\");\n                }\n            },\n            Chip8CpuInstructions::LDF2(x) =\u003e {\n                match input.quirk_mode {\n                    QuirkMode::Chip8 =\u003e {\n                        debug!(\"ATTEMPT TO LDF2 IN CHIP8MODE\");\n                    }\n                    QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                        println!(\"POINTING TO FONT AT {x:02x}\");\n                        // base = 0x100 + 0x0A*X\n                        input.registers.poke_i(0x100 + (0xA * x) as u16);\n                    }\n                }\n            }\n            Chip8CpuInstructions::STR(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO STORE RPL IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"STORING FROM RPL FOR {x}\");\n                }\n            },\n            Chip8CpuInstructions::LIDR(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO LOAD RPL IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"LOADING FROM RPL FOR {x}\");\n                }\n            },\n            SCU(x) =\u003e {\n                println!(\"SCROLL SCREEN UP {x} ROWS\");\n                match input.quirk_mode {\n                    QuirkMode::Chip8 | QuirkMode::SChipModern =\u003e {\n                        debug!(\"Attempt to run SCU outside XO mode\");\n                    }\n             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return_value\n    }\n}\n\nimpl Keypad {\n    pub fn push_key(\u0026mut self, key_index: u8) {\n        self.keys[key_index as usize] = true;\n    }\n\n    pub fn release_key(\u0026mut self, key_index: u8) {\n        self.keys[key_index as usize] = false;\n    }\n\n    pub fn key_state(\u0026self, key_index: u8) -\u003e bool {\n        self.keys[key_index as usize]\n    }\n\n    pub fn new() -\u003e Keypad {\n        Keypad::default()\n    }\n\n    pub fn pressed(\u0026self, key: u8) -\u003e bool {\n        self.key_state(key)\n    }\n    pub fn released(\u0026self, key: u8) -\u003e bool {\n        !self.key_state(key)\n    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serde::{Deserialize, Serialize};\nuse std::fmt::Display;\nuse crate::constants::{LABEL_QUIRK_CHIP8, LABEL_QUIRK_SCHIP, LABEL_QUIRK_XOCHIP};\n\n#[derive(Default, Clone, Serialize, Deserialize, Copy, Debug, PartialEq)]\npub enum QuirkMode {\n    #[default]\n    Chip8,\n    XOChip,\n    SChipModern,\n}\n\nimpl Display for QuirkMode {\n    fn fmt(\u0026self, f: \u0026mut std::fmt::Formatter\u003c'_\u003e) -\u003e std::fmt::Result {\n        let variant = match \u0026self {\n            QuirkMode::Chip8 =\u003e LABEL_QUIRK_CHIP8.to_string(),\n            QuirkMode::XOChip =\u003e LABEL_QUIRK_XOCHIP.to_string(),\n            QuirkMode::SChipModern =\u003e LABEL_QUIRK_SCHIP.to_string(),\n        };\n        write!(f, \"{}\", variant)\n    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self.registers == other.registers \u0026\u0026 self.i_register == other.i_register\n    }\n}\n\nimpl Chip8Registers {\n    pub fn advance_pc(\u0026mut self) {\n        self.pc += 2;\n    }\n}\n\nimpl Default for Chip8Registers {\n    fn default() -\u003e Self {\n        Chip8Registers {\n            registers: [0x00; 16],\n            i_register: 0x00,\n            pc: 0x200,\n        }\n    }\n}\n\nimpl Chip8Registers {\n    pub fn reset(\u0026mut self) {\n        self.registers = [0x00; 16];\n        self.i_register = 0x00;\n        self.pc = 0x200;\n    }\n\n    pub fn poke_pc(\u0026mut self, new_pc: u16) {\n        self.pc = new_pc\n    }\n    pub fn peek_i(\u0026self) -\u003e u16 {\n        self.i_register\n    }\n\n    pub fn poke_i(\u0026mut self, new_value: u16) {\n        self.i_register = new_value;\n    }\n    pub fn peek(\u0026self, register_number: u8) -\u003e u8 {\n        self.registers[register_number as usize]\n    }\n\n    pub fn poke(\u0026mut self, register_number: u8, value: u8) {\n        if register_number \u003e 0xf {\n            panic!(\"INVALID REGISTER\");\n        }\n        self.registers[register_number as usize] = value;\n    }\n\n    pub fn peek_pc(\u0026self) -\u003e u16 {\n        self.pc\n    }\n\n    pub fn set_pc(\u0026mut self, new_pc: u16) {\n        self.pc = new_pc\n    }\n\n    pub fn format_as_string(\u0026self) -\u003e String {\n        format!(\"Vx: 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x}\\n    0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x}\\nI: 0x{:04x}\\tPC: 0x{:04x}\",\n                self.registers[0x0],\n                self.registers[0x1],\n                self.registers[0x2],\n                self.registers[0x3],\n                self.registers[0x4],\n                self.registers[0x5],\n                self.registers[0x6],\n                self.registers[0x7],\n                self.registers[0x8],\n                self.registers[0x9],\n                self.registers[0xa],\n                self.registers[0xb],\n                self.registers[0xc],\n                self.registers[0xd],\n                self.registers[0xe],\n                self.registers[0xf],\n                self.i_register,\n                self.pc\n        )\n    }\n}\n","traces":[{"line":13,"address":[1608016],"length":1,"stats":{"Line":1}},{"line":14,"address":[807431],"length":1,"stats":{"Line":1}},{"line":19,"address":[1608128],"length":1,"stats":{"Line":2}},{"line":20,"address":[1765069,1765107],"length":1,"stats":{"Line":2}},{"line":25,"address":[1608208],"length":1,"stats":{"Line":2}},{"line":27,"address":[500878],"length":1,"stats":{"Line":2}},{"line":35,"address":[807680],"length":1,"stats":{"Line":4}},{"line":36,"address":[799230],"length":1,"stats":{"Line":4}},{"line":37,"address":[1015375],"length":1,"stats":{"Line":4}},{"line":38,"address":[41420453],"length":1,"stats":{"Line":4}},{"line":41,"address":[2482208],"length":1,"stats":{"Line":5}},{"line":42,"address":[1015405],"length":1,"stats":{"Line":5}},{"line":44,"address":[1327440],"length":1,"stats":{"Line":4}},{"line":45,"address":[890165],"length":1,"stats":{"Line":2}},{"line":48,"address":[1015440],"length":1,"stats":{"Line":4}},{"line":49,"address":[41420525],"length":1,"stats":{"Line":2}},{"line":51,"address":[807808],"length":1,"stats":{"Line":3}},{"line":52,"address":[2482346,2482309],"length":1,"stats":{"Line":4}},{"line":55,"address":[1015552],"length":1,"stats":{"Line":6}},{"line":56,"address":[41420659],"length":1,"stats":{"Line":6}},{"line":57,"address":[2482427],"length":1,"stats":{"Line":1}},{"line":59,"address":[1765544,1765557,1765467],"length":1,"stats":{"Line":14}},{"line":62,"address":[4030832],"length":1,"stats":{"Line":4}},{"line":63,"address":[1706037],"length":1,"stats":{"Line":2}},{"line":66,"address":[1608672],"length":1,"stats":{"Line":4}},{"line":67,"address":[1706061],"length":1,"stats":{"Line":2}},{"line":70,"address":[814560],"length":1,"stats":{"Line":1}},{"line":71,"address":[1327806],"length":1,"stats":{"Line":1}}],"covered":28,"coverable":28},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","sound_timer.rs"],"content":"use log::trace;\nuse serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub struct SoundTimer {\n    counter: i32,\n}\n\nimpl Default for SoundTimer {\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}\n\nimpl SoundTimer {\n    pub fn current(\u0026self) -\u003e i32 {\n        self.counter\n    }\n    pub fn new() -\u003e Self {\n        SoundTimer { counter: 0 }\n    }\n    pub fn set_timer(\u0026mut self, new_value: i32) {\n        trace!(\"SETTING SOUND TIMER TO {new_value}\");\n        self.counter = new_value\n    }\n\n    pub fn tick(\u0026mut self) {\n        trace!(\n            \"TICKING SOUND FROM {} to {}\",\n            self.counter,\n            self.counter - 1\n        );\n        if self.counter \u003e 0 {\n            self.counter -= 1;\n            /*\n            todo: this breaks tests.  maybe its wrong?\n            if let good_thread = thread::spawn(|| {\n                beep(440).expect(\"Unable to beep\");\n                thread::sleep(time::Duration::from_millis(500));\n            }).join().unwrap().\n             */\n        }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.counter = 0x00;\n    }\n}\n","traces":[{"line":10,"address":[4035264],"length":1,"stats":{"Line":1}},{"line":11,"address":[894881],"length":1,"stats":{"Line":1}},{"line":16,"address":[804032],"length":1,"stats":{"Line":1}},{"line":17,"address":[450773],"length":1,"stats":{"Line":1}},{"line":22,"address":[1710512],"length":1,"stats":{"Line":1}},{"line":23,"address":[1406119,1406196],"length":1,"stats":{"Line":2}},{"line":24,"address":[804122],"length":1,"stats":{"Line":1}},{"line":27,"address":[1770352],"length":1,"stats":{"Line":2}},{"line":28,"address":[804450,804526,804372],"length":1,"stats":{"Line":6}},{"line":33,"address":[1710856,1711225],"length":1,"stats":{"Line":5}},{"line":34,"address":[4036001,4036027],"length":1,"stats":{"Line":1}},{"line":45,"address":[804800],"length":1,"stats":{"Line":4}},{"line":46,"address":[819733],"length":1,"stats":{"Line":4}}],"covered":13,"coverable":13},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","stack.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Default, Serialize, Deserialize, Debug)]\npub struct Chip8Stack {\n    items: Vec\u003cu16\u003e,\n}\n\nimpl Chip8Stack {\n    pub fn push(\u0026mut self, new_value: \u0026u16) {\n        if self.depth() == 16 {\n            // println!(\"Deep deep stack?\");\n            panic!(\"Stack Overflow\");\n        }\n        self.items.push(*new_value);\n    }\n    pub fn pop(\u0026mut self) -\u003e u16 {\n        if self.items.is_empty() {\n            panic!(\"Stack Underflow\");\n        }\n        self.items.pop().unwrap()\n    }\n    pub fn depth(\u0026self) -\u003e u16 {\n        self.items.len() as u16\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8Stack { items: vec![] }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.items = vec![]\n    }\n}\n","traces":[{"line":9,"address":[557440],"length":1,"stats":{"Line":4}},{"line":10,"address":[884712],"length":1,"stats":{"Line":4}},{"line":12,"address":[1587828],"length":1,"stats":{"Line":1}},{"line":14,"address":[2562523],"length":1,"stats":{"Line":4}},{"line":16,"address":[876208],"length":1,"stats":{"Line":2}},{"line":17,"address":[863886],"length":1,"stats":{"Line":2}},{"line":18,"address":[1742359],"length":1,"stats":{"Line":1}},{"line":20,"address":[876237],"length":1,"stats":{"Line":4}},{"line":22,"address":[894672],"length":1,"stats":{"Line":2}},{"line":23,"address":[1680053],"length":1,"stats":{"Line":2}},{"line":26,"address":[2562704],"length":1,"stats":{"Line":4}},{"line":27,"address":[1680077],"length":1,"stats":{"Line":4}},{"line":30,"address":[894815,894752],"length":1,"stats":{"Line":4}},{"line":31,"address":[885117,885037],"length":1,"stats":{"Line":8}}],"covered":14,"coverable":14},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","system_memory.rs"],"content":"use log::trace;\n\nuse crate::constants::*;\nuse serde::Deserialize;\nuse serde::Serialize;\n\nuse super::quirk_modes::QuirkMode;\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8SystemMemory {\n    memory: Vec\u003cu8\u003e,\n}\n\nimpl PartialEq for Chip8SystemMemory {\n    fn eq(\u0026self, other: \u0026Self) -\u003e bool {\n        self.memory == other.memory\n    }\n}\n\nimpl Default for Chip8SystemMemory {\n    fn default() -\u003e Self {\n        let mut x = Chip8SystemMemory::new();\n\n        x.load_fonts_to_memory();\n        x.load_schip_fonts_to_memory();\n        x\n    }\n}\n\nimpl Chip8SystemMemory {\n    fn empty_memory() -\u003e Vec\u003cu8\u003e {\n        let mut working_memory = vec![];\n\n        for _ in 0..CHIP8_MEMORY_SIZE {\n            working_memory.push(0x00);\n        }\n        working_memory\n    }\n\n    pub fn reset(\u0026mut self, quirk_modes: QuirkMode) {\n        self.memory = Chip8SystemMemory::empty_memory();\n        match quirk_modes {\n            QuirkMode::Chip8 =\u003e {\n                self.load_fonts_to_memory();\n            }\n            QuirkMode::XOChip =\u003e {\n                println!(\"NO XO FONT LOADING DONE YET\");\n            }\n            QuirkMode::SChipModern =\u003e {\n                self.load_schip_fonts_to_memory();\n            }\n        }\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8SystemMemory {\n            memory: Chip8SystemMemory::empty_memory(),\n        }\n    }\n\n    pub fn peek(\u0026self, address: u16) -\u003e u8 {\n        trace!(\n            \"PEEK: {} / {}\",\n            address,\n            self.memory[address as usize].clone()\n        );\n        let effective = address as i32 % CHIP8_MEMORY_SIZE;\n        self.memory[effective as usize]\n    }\n\n    pub fn poke(\u0026mut self, address: u16, value: u8) {\n        trace!(\n            \"POKE: {} / {} to {}\",\n            address,\n            self.memory[address as usize],\n            value\n        );\n        self.memory[address as usize] = value;\n    }\n\n    pub fn load_program(\u0026mut self, program_to_load: Box\u003cVec\u003cu8\u003e\u003e) {\n        for load_index in 0..program_to_load.len() {\n            self.poke((load_index + 0x200) as u16, program_to_load[load_index]);\n        }\n    }\n\n    pub fn load_fonts_to_memory(\u0026mut self) {\n        let all_font_characters = [\n            CHIP8FONT_0,\n            CHIP8FONT_1,\n            CHIP8FONT_2,\n            CHIP8FONT_3,\n            CHIP8FONT_4,\n            CHIP8FONT_5,\n            CHIP8FONT_6,\n            CHIP8FONT_7,\n            CHIP8FONT_8,\n            CHIP8FONT_9,\n            CHIP8FONT_A,\n            CHIP8FONT_B,\n            CHIP8FONT_C,\n            CHIP8FONT_D,\n            CHIP8FONT_E,\n            CHIP8FONT_F,\n        ];\n\n        for (font_index, current_font) in all_font_characters.iter().enumerate() {\n            for font_mem_offset in 0..=4 {\n                let real_offset = font_index * 5 + font_mem_offset;\n                self.poke(real_offset as u16, current_font[font_mem_offset]);\n            }\n        }\n    }\n\n    pub fn load_schip_fonts_to_memory(\u0026mut self) {\n        let all_font_characters = [\n            SCHIPFONT_0,\n            SCHIPFONT_1,\n            SCHIPFONT_2,\n            SCHIPFONT_3,\n            SCHIPFONT_4,\n            SCHIPFONT_5,\n            SCHIPFONT_6,\n            SCHIPFONT_7,\n            SCHIPFONT_8,\n            SCHIPFONT_9,\n            SCHIPFONT_A,\n            SCHIPFONT_B,\n            SCHIPFONT_C,\n            SCHIPFONT_D,\n            SCHIPFONT_E,\n            SCHIPFONT_F,\n        ];\n        for (font_index, current_font) in all_font_characters.iter().enumerate() {\n            let base_offset = SCHIPFONT_OFFSET;\n            for font_mem_offset in 0..=9 {\n                let real_offset = base_offset + (font_index * 0x0a) as u32 + font_mem_offset;\n                self.poke(real_offset as u16, current_font[font_mem_offset as usize]);\n            }\n        }\n    }\n}\n","traces":[{"line":15,"address":[2557008],"length":1,"stats":{"Line":1}},{"line":16,"address":[858478],"length":1,"stats":{"Line":1}},{"line":21,"address":[559520,559642],"length":1,"stats":{"Line":10}},{"line":22,"address":[1674606],"length":1,"stats":{"Line":6}},{"line":24,"address":[1736998],"length":1,"stats":{"Line":10}},{"line":25,"address":[1737041],"length":1,"stats":{"Line":6}},{"line":26,"address":[858603],"length":1,"stats":{"Line":6}},{"line":31,"address":[2557421,2557200],"length":1,"stats":{"Line":10}},{"line":32,"address":[1300814],"length":1,"stats":{"Line":6}},{"line":34,"address":[41389660,41389729],"length":1,"stats":{"Line":15}},{"line":35,"address":[4001282],"length":1,"stats":{"Line":10}},{"line":37,"address":[858819],"length":1,"stats":{"Line":6}},{"line":40,"address":[41389872,41389941],"length":1,"stats":{"Line":4}},{"line":41,"address":[1583028,1582954],"length":1,"stats":{"Line":8}},{"line":42,"address":[1583045],"length":1,"stats":{"Line":4}},{"line":44,"address":[1301194],"length":1,"stats":{"Line":3}},{"line":47,"address":[560049],"length":1,"stats":{"Line":1}},{"line":50,"address":[984358],"length":1,"stats":{"Line":1}},{"line":55,"address":[4001552],"length":1,"stats":{"Line":8}},{"line":57,"address":[1737597],"length":1,"stats":{"Line":6}},{"line":61,"address":[984448],"length":1,"stats":{"Line":2}},{"line":62,"address":[1737815],"length":1,"stats":{"Line":2}},{"line":67,"address":[1301731,1301387,1301772],"length":1,"stats":{"Line":6}},{"line":68,"address":[859602],"length":1,"stats":{"Line":4}},{"line":71,"address":[1301792],"length":1,"stats":{"Line":6}},{"line":72,"address":[2558372],"length":1,"stats":{"Line":7}},{"line":78,"address":[880516],"length":1,"stats":{"Line":11}},{"line":81,"address":[880896,881237],"length":1,"stats":{"Line":1}},{"line":82,"address":[1584335,1584150,1584217],"length":1,"stats":{"Line":3}},{"line":83,"address":[881121],"length":1,"stats":{"Line":1}},{"line":87,"address":[561424],"length":1,"stats":{"Line":6}},{"line":88,"address":[1584516],"length":1,"stats":{"Line":11}},{"line":107,"address":[860825,860995],"length":1,"stats":{"Line":16}},{"line":108,"address":[1739501],"length":1,"stats":{"Line":6}},{"line":109,"address":[873537,873627],"length":1,"stats":{"Line":11}},{"line":110,"address":[1739747,1739791],"length":1,"stats":{"Line":16}},{"line":115,"address":[4003808],"length":1,"stats":{"Line":11}},{"line":116,"address":[861407],"length":1,"stats":{"Line":11}},{"line":134,"address":[1740318,1740488],"length":1,"stats":{"Line":17}},{"line":135,"address":[4003828],"length":1,"stats":{"Line":6}},{"line":136,"address":[1586098],"length":1,"stats":{"Line":6}},{"line":137,"address":[41393183,41393310],"length":1,"stats":{"Line":11}},{"line":138,"address":[874655,874706],"length":1,"stats":{"Line":17}}],"covered":43,"coverable":43},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","util.rs"],"content":"pub struct InstructionUtil {}\n\nimpl InstructionUtil {\n    /// Byte To Bools\n    /// Convert a u8 byte to an array of bool\n    pub fn byte_to_bools(to_convert: u8) -\u003e [bool; 8] {\n        let mut return_values = [false; 8];\n        for i in 0..8 {\n            let new_value = to_convert \u003e\u003e i \u0026 0x1 == 1;\n            return_values[i as usize] = new_value;\n        }\n        return_values\n    }\n\n    /// Byte To Bools\n    /// Convert an array of bool to a u8\n    pub fn bools_to_byte(to_convert: [bool; 8]) -\u003e u8 {\n        let mut return_value = 0u8;\n        for i in 0..to_convert.len() {\n            let new_bit = 0x1 \u003c\u003c i;\n            if to_convert[i] {\n                return_value |= new_bit\n            }\n        }\n        return_value\n    }\n\n    /// Split Bytes\n    /// Split a u16 into a pair of u8 values for high and low byte\n    pub fn split_bytes(to_split: u16) -\u003e (u8, u8) {\n        let high = to_split.rotate_left(8) as u8;\n        let low = (to_split \u0026 0xff) as u8;\n\n        (high, low)\n    }\n\n    /// Join Bytes\n    /// Joins 2 u8 into a single u16 with high and low\n    /// bytes provided\n    pub fn join_bytes(high: u8, low: u8) -\u003e u16 {\n        (high as u16) \u003c\u003c 8 | low as u16\n    }\n\n    /// Swap Endian\n    /// Swaps the endianess of a value\n    /// 0xabcd -\u003e 0xcdab\n    pub fn swap_endian(to_swap:u16) -\u003e u16 {\n        let low = to_swap \u0026 0xff;\n        let high = to_swap \u0026 0xff00;\n        low \u003c\u003c 8 | high \u003e\u003e 8\n    }\n\n    /// Split Bytes Swap Endian\n    /// Swaps endianness and return both bytes separately\n    pub fn split_bytes_swap_endian(to_split: u16) -\u003e (u8, u8) {\n        InstructionUtil::split_bytes(InstructionUtil::swap_endian(to_split))\n    }\n\n    /// Join Bytes Swap Endian\n    /// Swaps endianness and returns the combined bytes\n    pub fn join_bytes_swap_endian(high :u8, low: u8) -\u003e u16 {\n        InstructionUtil::swap_endian(InstructionUtil::join_bytes(high, low))\n    }\n\n    /// Read Address from Instruction\n    /// Reads the 'address' portion of an instruction\n    /// Returns the 12 LSB\n    /// 0xabcd -\u003e 0x0bcd\n    pub fn read_addr_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n        instruction_to_read_from \u0026 0x0FFF\n    }\n\n    /// Read Nibble from Instruction\n    /// Returns the lowest 4 bits of the instruction\n    /// 0xabcd -\u003e 0x0d\n    pub fn read_nibble_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n       ( instruction_to_read_from \u0026 0x000F )as u8\n    }\n\n    /// Read X From Instruction\n    /// Returns the 4 LSB of the high byte of the instruction\n    /// Returns bits 9-13\n    /// 0xabcd -\u003e 0x0b\n    pub fn read_x_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x0F00).rotate_right(8) as u8\n    }\n\n    /// Read Y from Instruction\n    /// Returns the 4 MSB from the low byte of the instruction\n    /// Returns bits 5-8\n    /// 0xabcd -\u003e 0x0c\n    pub fn read_y_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x00F0).rotate_right(4) as u8\n    }\n\n    /// Read Byte from Instruction\n    /// Returns the 8 LSB from the instruction\n    /// Returns bits 0-7\n    /// 0xabcd -\u003e 0xcd\n    pub fn read_byte_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x00FF) as u8\n    }\n\n    /// Alias for read_x_from_instruction\n    pub fn read_upper_byte_lower_nibble(to_read_from: u16) -\u003e u8 {\n        InstructionUtil::read_x_from_instruction(to_read_from)\n    }\n\n    pub fn read_bits_from_instruction(instruction_bytes: u16, first_bit: u8, last_bit: u8) -\u003e u16 {\n        // shift the value over by the 'first bit' bits\n        let working = instruction_bytes.rotate_right(first_bit as u32);\n        let mut working_mask: i32 = 0x00;\n        // build the mask\n        for _ in   first_bit..=last_bit {\n            working_mask = working_mask.rotate_left(1) | 0x01;\n        }\n\n        // apply the mask to the working value\n        working \u0026 working_mask as u16\n    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crate::chip8::video::Chip8VideoModes::{HighRes, LowRes};\nuse crate::constants::{\n    CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_MEMORY, CHIP8_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT,\n    SCHIP_VIDEO_WIDTH, SCHIP_VIDE_MEMORY,\n};\nuse log::debug;\nuse serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub enum Chip8VideoModes {\n    LowRes,\n    HighRes,\n}\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8Video {\n    memory: Vec\u003cbool\u003e,\n    pub has_frame_changed: bool,\n    current_res: Chip8VideoModes,\n}\n\nimpl Chip8Video {\n    pub fn reset(\u0026mut self) {\n        self.cls();\n        self.set_lowres();\n        self.start_frame();\n    }\n\n    pub fn is_highres(\u0026self) -\u003e bool {\n        matches!(self.current_res, HighRes)\n    }\n\n    pub fn set_highres(\u0026mut self) {\n        self.current_res = HighRes;\n        self.cls();\n    }\n\n    pub fn set_lowres(\u0026mut self) {\n        self.current_res = LowRes\n    }\n\n    pub fn get_screen_resolution(\u0026mut self) -\u003e Chip8VideoModes {\n        self.current_res\n    }\n\n    pub fn cls(\u0026mut self) {\n        self.memory.clear();\n        let num_loops = match self.current_res {\n            LowRes =\u003e CHIP8_VIDEO_MEMORY,\n            HighRes =\u003e SCHIP_VIDE_MEMORY,\n        };\n        for _ in 0..num_loops {\n            self.memory.push(false);\n        }\n    }\n\n    pub fn start_frame(\u0026mut self) {\n        self.has_frame_changed = false;\n    }\n\n    pub fn new(initial_configuration: Box\u003cVec\u003cbool\u003e\u003e) -\u003e Self {\n        Self {\n            memory: *initial_configuration,\n            has_frame_changed: false,\n            current_res: Chip8VideoModes::LowRes,\n        }\n    }\n\n    pub fn peek(\u0026self, address: u16) -\u003e bool {\n        let loop_value: u16 = if self.is_highres() {\n            SCHIP_VIDE_MEMORY as u16\n        } else {\n            CHIP8_VIDEO_MEMORY as u16\n        };\n        let effective_address = if address \u003e= loop_value {\n            address % loop_value\n        } else {\n            address\n        };\n        self.memory[effective_address as usize]\n    }\n\n    pub fn poke(\u0026mut self, address: u16, new_value: bool) {\n        let loop_value: u16 = self.get_memory_size() as u16;\n        // Loop the address\n        let effective_address = address % loop_value;\n\n        let old_value = self.memory[effective_address as usize];\n        let xored_value = new_value ^ old_value; // XOR of the video\n                                                 // if the frame has already changed we dont care if it changed again.\n        if !self.has_frame_changed \u0026\u0026 old_value != xored_value {\n            self.has_frame_changed = true\n        }\n\n        //     println!(\"VIDEO POKE COMPLETE WITH {effective_address} SET TO {xored_value}\");\n        self.memory[effective_address as usize] = xored_value;\n    }\n\n    pub fn poke_byte(\u0026mut self, first_address: u16, to_write: u8) {\n        for i in (0..8).rev() {\n            self.poke(first_address + (7 - i), (to_write \u0026 (1 \u003c\u003c i)) != 0);\n        }\n    }\n\n    pub fn poke_2byte(\u0026mut self, first_address: u16, to_write: [u8; 2]) {\n        for (idx, _) in to_write.iter().enumerate() {\n            for i in (0..8).rev() {\n                self.poke(\n                    first_address + (idx * 8) as u16 + (7 - i),\n                    (to_write[idx] \u0026 (1 \u003c\u003c i)) != 0,\n                );\n            }\n        }\n    }\n\n    pub fn format_as_string(\u0026self) -\u003e String {\n        let (width, height) = self.get_resolution();\n        // println!(\"FORMATTING {width}x{height}\");\n        let mut output = String::new();\n        for row in 0..height {\n            for column in 0..width {\n                let data_offset = row * width + column;\n                debug!(\n                    \"Rendering {data_offset} with value {}\",\n                    self.memory[data_offset as usize]\n                );\n                if self.memory[data_offset as usize] {\n                    output += \"*\"\n                } else {\n                    output += \" \"\n                }\n            }\n            output += \"\\n\";\n        }\n        output\n    }\n\n    pub fn get_resolution(\u0026self) -\u003e (i32, i32) {\n        if self.is_highres() {\n            (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT)\n        } else {\n            (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT)\n        }\n    }\n    fn get_memory_size(\u0026self) -\u003e i32 {\n        let (width, height) = self.get_resolution();\n        width * height\n    }\n\n    pub fn tick(\u0026mut self) {\n        self.has_frame_changed = false;\n    }\n\n    pub fn scroll_right(\u0026mut self) {\n        // println!(\"SCROLLRIGHTPRE:::[{}]\", self.format_as_string());\n        let (width, height) = self.get_resolution();\n\n        for current_row in 0..height {\n            let row_offset: usize = (current_row * width) as usize;\n\n            // Shift pixels to the right by 4 in the current row\n            for current_column in (0..(width - 4)).rev() {\n                let source_address = row_offset + current_column as usize;\n                let target_address = source_address + 4;\n                self.memory[target_address] = self.memory[source_address];\n            }\n\n            // Clear the first 4 pixels in the current row\n            self.memory[row_offset..row_offset + 4].fill(false);\n        }\n        // println!(\"SCROLLRIGHTPOST:::[{}]\", self.format_as_string());\n    }\n\n    pub fn scroll_left(\u0026mut self) {\n        // println!(\"SCROLLLEFTPRE:::[{}]\", self.format_as_string());\n        let (width, height) = self.get_resolution();\n\n        for current_row in 0..height {\n            let row_offset = current_row * width;\n            for current_column in 0..width - 4 {\n                let target: usize = (row_offset + current_column) as usize;\n                let source: usize = target + 4;\n                self.memory[target] = self.memory[source];\n                // println!(\"Moving from {source} to {target}\");\n            }\n\n            let clear_start: usize = (row_offset + width - 4) as usize;\n            let clear_end: usize = clear_start + 4;\n\n            self.memory[clear_start..clear_end].fill(false);\n        }\n        // println!(\"SCROLLLEFTPOST:::[{}]\", self.format_as_string());\n    }\n\n    pub fn scroll_up(\u0026mut self, how_far: \u0026u8) {\n        let how_far = *how_far as i32;\n        let (width, height) = self.get_resolution();\n        let row_shift = how_far * width;\n\n        for current_source_row in how_far..height {\n            let current_source_offset = current_source_row * width;\n            for current_source_column in 0..width {\n                let base_offset: usize = (current_source_offset + current_source_column) as usize;\n                let shifted_offset: usize = base_offset - row_shift as usize;\n                self.memory[shifted_offset] = self.memory[base_offset];\n            }\n        }\n\n        // Clear the new bottom rows after shifting\n        let clear_start = ((height - how_far) * width) as usize;\n        self.memory[clear_start..].fill(false);\n    }\n\n    pub fn scroll_down(\u0026mut self, how_far: i32) {\n        let (width, height) = self.get_resolution();\n        let row_shift = how_far * width;\n\n        let max_source_row = height - how_far;\n        for current_source_row in (0..max_source_row).rev() {\n            let current_source_offset = current_source_row * width;\n            for current_source_column in 0..width {\n                let base_offset: usize = (current_source_offset + current_source_column) as usize;\n                let extended_offset: usize = base_offset + row_shift as usize;\n                self.memory[extended_offset] = self.memory[base_offset];\n            }\n        }\n\n        // Clear the new top rows after shifting\n        let clear_end = (how_far * width) as usize;\n        self.memory[0..clear_end].fill(false);\n    }\n}\n\nimpl Default for Chip8Video {\n    fn default() -\u003e Self {\n        let mut mem = vec![];\n        for _ in 0..CHIP8_VIDEO_MEMORY {\n            mem.push(false);\n        }\n        Chip8Video {\n            memory: mem,\n            has_frame_changed: false,\n            current_res: LowRes,\n        }\n    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crate::chip8::instructions::Chip8CpuInstructions;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8_2::instructions::instruction_trait::InstructionTrait;\n\nstruct Add {\n    pub relative: bool,\n    pub source: Option\u003cChip8Registers\u003e,\n    pub destination: Chip8Registers,\n    pub literal: Option\u003cu8\u003e\n}\n\nimpl InstructionTrait for Add {\n    fn length(\u0026self) -\u003e u8 {\n        1\n    }\n\n    fn encoded(\u0026self) -\u003e Chip8CpuInstructions {\n    }\n\n    fn decode(from: Vec\u003cu8\u003e) -\u003e \u0026dyn InstructionTrait {\n\n        todo!()\n    }\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","call.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","cls.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","drw.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","exit.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","high.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","jp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","ld.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","low.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","ret.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","rnd.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scd.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scl.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scr.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","se.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sknp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","skp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sne.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sys.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","constants.rs"],"content":"pub const CHIP8_REGISTER_COUNT: i32 = 16;\npub const CHIP8_MEMORY_SIZE: i32 = 4096i32;\npub const CHIP8_VIDEO_WIDTH: i32 = 64i32;\npub const CHIP8_VIDEO_HEIGHT: i32 = 32i32;\npub const CHIP8_VIDEO_MEMORY: usize = (CHIP8_VIDEO_HEIGHT * CHIP8_VIDEO_WIDTH) as usize;\npub const CHIP8_ROM_SIZE: usize = 512;\n\npub const LABEL_QUIRK_CHIP8:  \u0026str = \"Chip8\";\npub const LABEL_QUIRK_XOCHIP: \u0026str = \"XO Chip\";\npub const LABEL_QUIRK_SCHIP: \u0026str = \"SChip-Modern\";\n\npub const RESOURCES_ROOT: \u0026str = \"../resources\";\npub const TESTS_ROOT: \u0026str = \"../resources/test/\";\npub const TEST_ROM_ROOT: \u0026str = \"../resources/test/roms\";\n\npub const CHIP8_KEYBOARD: [[u8; 4]; 4] = [\n    [0x01, 0x02, 0x03, 0x0C],\n    [0x04, 0x05, 0x06, 0x0D],\n    [0x07, 0x08, 0x09, 0x0E],\n    [0x0A, 0x00, 0x0B, 0x0F],\n];\n\npub const SCHIP_VIDEO_HEIGHT: i32 = 64;\npub const SCHIP_VIDEO_WIDTH: i32 = 128;\npub const SCHIP_VIDE_MEMORY: usize = (SCHIP_VIDEO_HEIGHT * SCHIP_VIDEO_WIDTH) as usize;\n\npub const INST_ADDI: \u0026str = \"ADDI\";\npub const INST_ADD: \u0026str = \"ADD\";\npub const INST_ADDR: \u0026str = \"ADDR\";\npub const INST_AND: \u0026str = \"AND\";\npub const INST_CLS: \u0026str = \"CLS\";\npub const INST_CALL: \u0026str = \"CALL\";\npub const INST_DRW: \u0026str = \"DRW\";\npub const INST_EXIT: \u0026str = \"EXIT\";\npub const INST_JPA: \u0026str = \"JPA\";\npub const INST_JPI: \u0026str = \"JPI\";\npub const INST_JPX: \u0026str = \"JPX\";\npub const INST_BCD: \u0026str = \"BCD\";\npub const INST_LDD: \u0026str = \"LDD\";\npub const INST_LDF: \u0026str = \"LDF\";\npub const INST_LDF2: \u0026str = \"LDF2\";\npub const INST_LDIA: \u0026str = \"LDIA\";\npub const INST_LDIX: \u0026str = \"LDIX\";\npub const INST_LIDR: \u0026str = \"LIDR\";\npub const INST_LDIS: \u0026str = \"LDIS\";\npub const INST_LDR: \u0026str = \"LDR\";\npub const INST_LDRD: \u0026str = \"LDRD\";\npub const INST_LDRI: \u0026str = \"LDRI\";\npub const INST_LDRK: \u0026str = \"LDRK\";\npub const INST_LDRY: \u0026str = \"LDRY\";\npub const INST_OR: \u0026str = \"OR\";\npub const INST_RET: \u0026str = \"RET\";\npub const INST_RND: \u0026str = \"RND\";\npub const INST_SCD: \u0026str = \"SCD\";\npub const INST_SCR: \u0026str = \"SCR\";\npub const INST_SCL: \u0026str = \"SCL\";\npub const INST_SEX: \u0026str = \"SEX\";\npub const INST_SEY: \u0026str = \"SEY\";\npub const INST_SHL: \u0026str = \"SHL\";\npub const INST_SHR: \u0026str = \"SHR\";\npub const INST_SKP: \u0026str = \"SKP\";\npub const INST_SKNP: \u0026str = \"SKNP\";\npub const INST_SNEB: \u0026str = \"SNEB\";\npub const INST_SNEY: \u0026str = \"SNEY\";\npub const INST_STR: \u0026str = \"STR\";\npub const INST_SUB: \u0026str = \"SUB\";\npub const INST_SUBC: \u0026str = \"SUBC\";\npub const INST_SYS: \u0026str = \"SYS\";\npub const INST_LOW: \u0026str = \"LOW\";\npub const INST_HIGH: \u0026str = \"HIGH\";\npub const INST_ORY: \u0026str = \"ORY\";\npub const INST_SCU: \u0026str = \"SCU\";\n/// Data Word\n/// Data to be loaded to memory for application use\npub const INST_DW: \u0026str = \"DW\";\n\npub const XXXXERRORINSTRUCTION_ENCODED: u16 = 0x0000;\n\npub const CHIP8_PROGRAM_LOAD_OFFSET: i32 = 0x200;\npub const CHIP8FONT_0: [u8; 5] = [0xF0, 0x90, 0x90, 0x90, 0xF0];\npub const CHIP8FONT_1: [u8; 5] = [0x20, 0x60, 0x20, 0x20, 0x70];\npub const CHIP8FONT_2: [u8; 5] = [0xF0, 0x10, 0xF0, 0x80, 0xF0];\npub const CHIP8FONT_3: [u8; 5] = [0xF0, 0x10, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_4: [u8; 5] = [0x90, 0x90, 0xF0, 0x10, 0x10];\npub const CHIP8FONT_5: [u8; 5] = [0xF0, 0x80, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_6: [u8; 5] = [0xF0, 0x80, 0xF0, 0x90, 0xF0];\npub const CHIP8FONT_7: [u8; 5] = [0xF0, 0x10, 0x20, 0x40, 0x40];\npub const CHIP8FONT_8: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0xF0];\npub const CHIP8FONT_9: [u8; 5] = [0xF0, 0x90, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_A: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0x90];\npub const CHIP8FONT_B: [u8; 5] = [0xE0, 0x90, 0xE0, 0x90, 0xE0];\npub const CHIP8FONT_C: [u8; 5] = [0xF0, 0x80, 0x80, 0x80, 0xF0];\npub const CHIP8FONT_D: [u8; 5] = [0xE0, 0x90, 0x90, 0x90, 0xE0];\npub const CHIP8FONT_E: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0xF0];\npub const CHIP8FONT_F: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0x80];\n\npub const SCHIPFONT_OFFSET: u32 = 0x81;\npub const SCHIPFONT_0: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_1: [u8; 0x0A] = [0x20, 0x60, 0xA0, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x70];\npub const SCHIPFONT_2: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0xF0, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_3: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_4: [u8; 0x0A] = [0x90, 0x90, 0x90, 0x90, 0xF0, 0x10, 0x10, 0x10, 0x10, 0x10];\npub const SCHIPFONT_5: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_6: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_7: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10];\npub const SCHIPFONT_8: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_9: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_A: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x90, 0x90, 0x90, 0x90, 0x90];\npub const SCHIPFONT_B: [u8; 0x0A] = [0xE0, 0x90, 0x90, 0x90, 0xE0, 0x90, 0x90, 0x90, 0x90, 0xE0];\npub const SCHIPFONT_C: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_D: [u8; 0x0A] = [0xE0, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xE0];\npub const SCHIPFONT_E: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_F: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x80, 0x80, 0x80, 0x80, 0x80];\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","lib.rs"],"content":"pub mod chip8 {\n    pub mod video;\n    pub mod sound_timer;\n    pub mod delay_timer;\n    pub mod keypad;\n    pub mod computer;\n    pub mod system_memory;\n    pub mod instructions;\n    pub mod cpu_states;\n    pub mod util;\n    pub mod registers;\n\n    pub mod stack;\n    pub  mod computer_manager;\n    pub mod quirk_modes;\n}\n\npub mod constants;","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","computer_tests.rs"],"content":"use std::path::Path;\nuse std::time::Instant;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::chip8::registers::Chip8Registers;\nuse gemma::constants::{CHIP8_VIDEO_MEMORY, TESTS_ROOT};\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\nfn load_result(to_load: \u0026str) -\u003e String {\n    std::fs::read_to_string(format!(\"../resources/test/{}\", to_load)).unwrap()\n}\n\nfn load_rom(to_load: \u0026str) -\u003e Vec\u003cu8\u003e {\n    std::fs::read(format!(\"../resources/roms/{}\", to_load)).unwrap()\n}\n\n#[test]\nfn reset_clears_video() {\n    let mut x = Chip8Computer::new();\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        x.video_memory.poke(i as u16, i % 2 == 0);\n    }\n\n    x.reset(gemma::chip8::quirk_modes::QuirkMode::Chip8);\n    x.video_memory.reset();\n\n    assert_eq!(x.dump_video_to_string(), x.video_memory.format_as_string());\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n}\n\n#[test]\nfn level1_test() {\n    let mut x = Chip8Computer::new();\n    let level_1_rom = load_rom(\"1-chip8-logo.ch8\");\n    x.load_bytes_to_memory(0x200, \u0026level_1_rom);\n\n    // run for 0x40 cycles\n    while x.num_cycles \u003c 0x40 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_level_1_test.asc\")\n    );\n}\n\n#[test]\nfn level2_test() {\n    let mut x = Chip8Computer::new();\n    // Load the IBM rom and run it.\n    // it takes 39 cycles to get to the end so lets run it 40.\n    let test_rom_to_run = load_rom(\"2-ibm-logo.ch8\");\n    x.load_bytes_to_memory(0x200, \u0026test_rom_to_run);\n    for _ in 0..40 {\n        x.step_system();\n    }\n    // ...then verify that the current video memory of the chip-8\n    // simulator matches what we expect it to be\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_ibm_rom_output.asc\")\n    );\n}\n\n#[test]\nfn level3_test() {\n    let mut x = Chip8Computer::new();\n\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"3-corax+.ch8\"));\n    for i in 0..0x180 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_corax_plus.asc\")\n    );\n}\n\n#[test]\nfn rps_test() {\n    let mut x = Chip8Computer::new();\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"RPS.ch8\"));\n    for _ in 0..0xF0 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_rps_stage1.asc\")\n    );\n    x.keypad.push_key(0x01);\n    for _ in 0..0x200 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_rps_stage2.asc\")\n    );\n}\n\n#[test]\nfn level4_test() {\n    // flags\n    let mut x = Chip8Computer::new();\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"4-flags.ch8\"));\n    for _ in 0..0x400 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_result(\"gemma_integration_flags.asc\")\n    );\n}\n\n#[test]\nfn registers_equality() {\n    let data_set: Vec\u003c(Chip8Registers, Chip8Registers, bool)\u003e = vec![\n        (Chip8Registers::default(), Chip8Registers::default(), true),\n            (Chip8Registers {\n                registers: [0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,],\n                i_register: 0,\n                pc: 0,\n            },\n             Chip8Registers {\n                 registers:[0x01, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00,],\n                 i_register: 0,\n                 pc: 0,\n             }, false)\n    ];\n\n    for (first, second, matches) in data_set.iter() {\n        assert_eq!(first == second, *matches)\n    }\n}\n\n#[test]\nfn default_test() {\n    let new_manager = Chip8ComputerManager::default();\n\n    assert_eq!(new_manager.core_should_run, false);\n    assert_eq!(new_manager.num_cycles(), 0);\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n}\n\n#[test]\nfn quirks_mode_test() {\n    let mut new_manager = Chip8ComputerManager::default();\n\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n\n    new_manager.reset(QuirkMode::XOChip);\n\n    assert_eq!(new_manager.quirks_mode(), XOChip);\n\n    new_manager.reset(QuirkMode::SChipModern);\n\n    assert_eq!(new_manager.quirks_mode(), SChipModern);\n\n    new_manager.reset(Chip8);\n\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n}\n\n#[test]\nfn load_rom_allows_starting() {\n    let mut new_manager = Chip8ComputerManager::default();\n    assert_eq!(new_manager.core_should_run, false);\n    let p = format!(\"{}/../resources/test/roms/1-chip8-logo.ch8\" , std::env::current_dir().unwrap().display());\n    let full_path =  Path::new(p.as_str());\n    new_manager.load_new_program_from_disk_to_system_memory(full_path);\n    assert_eq!(new_manager.core_should_run, true)\n}\n\n#[test]\nfn reset_clears_run_state() {\n    let mut new_manager = Chip8ComputerManager::default();\n    let p = format!(\"{}/../resources/test/roms/1-chip8-logo.ch8\", std::env::current_dir().unwrap().display());\n    new_manager.load_new_program_from_disk_to_system_memory(Path::new(p.as_str()));\n    new_manager.reset(QuirkMode::Chip8);\n    assert_eq!(new_manager.core_should_run, false);\n}\n","traces":[{"line":15,"address":[462224],"length":1,"stats":{"Line":1}},{"line":16,"address":[462373,462251],"length":1,"stats":{"Line":2}},{"line":19,"address":[462592],"length":1,"stats":{"Line":1}},{"line":20,"address":[462619,462741],"length":1,"stats":{"Line":4}}],"covered":4,"coverable":4},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","state_tests.rs"],"content":"use std::fs;\nuse std::io;\nuse flate2::write::GzDecoder;\nuse gemma::chip8::computer::Chip8Computer;\nuse std::io::prelude::*;\n\nfn load_result(to_load: \u0026str) -\u003e String {\n    let full_path = format!(\"{}/../resources/test/state/{}\", std::env::current_dir().unwrap().display(), to_load);\n    println!(\"CURRENT DIR: {:?}\", std::env::current_dir());\n    println!(\"Loading state =\u003e (([{}]))\", full_path);\n    std::fs::read_to_string(full_path).unwrap()\n}\n\n// fn load_compressed_result(file_path: \u0026str) -\u003e io::Result\u003cString\u003e {\n//     // Load the compressed file contents\n//     let compressed_data = fs::read(file_path)?;\n//\n//     // Create a GzDecoder to uncompress the data\n//     let mut decoder = GzDecoder::new(\u0026mut compressed_data[..]);\n//     let mut decompressed_data = String::new();\n//\n//     // Read the decompressed data directly into a String\n//     decoder.read_to_string(\u0026mut decompressed_data)?;\n//\n//     Ok(decompressed_data)\n// }\n\nfn load_rom(to_load: \u0026str) -\u003e Vec\u003cu8\u003e {\n    fs::read(format!(\"resources/test/roms/{}\", to_load)).unwrap()\n}\n\n#[test]\n#[ignore]\nfn serialization_round_trip() {\n    let original_computer = Chip8Computer::new();\n    let expected_json = load_result(\"smoke_001_round_trip_serialize_deserialize.json\");\n\n    // Serialize the Chip8Computer instance\n    let serialized = serde_json::to_string(\u0026original_computer).expect(\"Serialization failed\");\n\n    // Compare the serialized output to the expected JSON\n    println!(\"Serialized Output: [{}]\", serialized);\n    assert_eq!(\n        serialized.trim(),\n        expected_json.trim(),\n        \"Serialized output does not match expected JSON\"\n    );\n\n    // Deserialize back to Chip8Computer and assert equality\n    let deserialized_computer: Chip8Computer =\n        serde_json::from_str(\u0026serialized).expect(\"Deserialization failed\");\n     assert_eq!(\n         deserialized_computer, original_computer,\n         \"Deserialized instance does not match the original\"\n     );\n}\n//\n// #[test]\n// fn computer_001_system_zero_state() {\n//     let x = Chip8Computer::new();\n//     let expected_string = load_compressed_result(\"smoke_002_round_trip_serialize_deserialize.tflt\").unwrap();\n//     let serialized = serde_json::to_string(\u0026x).unwrap();\n//     assert_eq!(serialized, expected_string);\n// }\n//\n","traces":[{"line":7,"address":[701386,700144],"length":1,"stats":{"Line":0}},{"line":8,"address":[700764,700171,700401],"length":1,"stats":{"Line":0}},{"line":9,"address":[700868,700772],"length":1,"stats":{"Line":0}},{"line":10,"address":[700996],"length":1,"stats":{"Line":0}},{"line":11,"address":[701089],"length":1,"stats":{"Line":0}},{"line":28,"address":[701440],"length":1,"stats":{"Line":0}},{"line":29,"address":[701467,701589],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":7},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","unit_tests.rs"],"content":"use std::fs::File;\nuse std::io::Read;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::cpu_states::Chip8CpuStates::WaitingForInstruction;\nuse gemma::chip8::delay_timer::DelayTimer;\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::JPX;\nuse gemma::chip8::keypad::Keypad;\nuse gemma::chip8::quirk_modes::QuirkMode::{self, Chip8, SChipModern, XOChip};\nuse gemma::chip8::registers::Chip8Registers;\nuse gemma::chip8::sound_timer::SoundTimer;\nuse gemma::chip8::stack::Chip8Stack;\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::chip8::util::InstructionUtil;\nuse gemma::chip8::video::{Chip8Video, Chip8VideoModes};\nuse gemma::constants::*;\nuse log::debug;\nuse rand::random;\nuse serde::Serialize;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\n\nconst TEST_OUTPUT_SAMPLE_DIR: \u0026str = \"../resources/test/\";\n\nfn read_test_result(suffix: \u0026str) -\u003e String {\n    println!(\"SITTING IN {:?}\", std::env::current_dir());\n    println!(\"ATTEMPT TO READ RESULT {suffix}\");\n    std::fs::read_to_string(TEST_OUTPUT_SAMPLE_DIR.to_owned() + suffix).unwrap()\n}\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\n#[ignore]\nfn decoder_test_invalid_instructions() {\n    let invalid_to_encode = [\n        0x5ab1, 0x5abf, 0x8ab8, 0x8abd, 0x8abf, 0x9ab1, 0x9abf, 0xea9d, 0xea9f, 0xeaa0, 0xeaa2,\n        0xf006, 0xf008,\n    ];\n\n    for i in invalid_to_encode {\n        assert_eq!(Chip8CpuInstructions::decode(i, \u0026Chip8).encode(), XXXXERRORINSTRUCTION_ENCODED);\n        assert!(matches!(\n            Chip8CpuInstructions::decode(i, \u0026Chip8),\n            Chip8CpuInstructions::XXXXERRORINSTRUCTION\n        ));\n    }\n}\n\n/// START OF THE EXECUTION TESTS\n#[test]\nfn instruction_tests() {\n    // 0x0nnn Exit to System Call\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0xFA0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0xFA0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0x0AF).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x0AF);\n\n    // 0x1nnn Jump to Address\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::JPA(0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::JPA(0xABC).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0xABC);\n\n    // 0x6xkk Set Vx = kk\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDR(1, 0x12).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0x12);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDR(2, 0x21).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(2), 0x21);\n\n    // 0x3xkk Skip next instruction if Vx = kk.\n    // The interpreter compares register Vx to kk,\n    // and if they are equal, increments the program counter by 2.\n\n    // test setup: Load value 0x84 into V1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x84);\n    Chip8CpuInstructions::SEX(1, 0x48).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x84);\n    Chip8CpuInstructions::SEX(1, 0x84).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    // 0x4xkk Skip next instruction if Vx != kk\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x84);\n    x.registers.poke(0x2, 0x84);\n    // skip, compare 0x84 to 0x84\n    Chip8CpuInstructions::SEY(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x84);\n    x.registers.poke(0x2, 0x48);\n    Chip8CpuInstructions::SEY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    // 0x8xy0 Set value of Vy in Vx\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::LDRY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0x02);\n\n    // 0x8xy1 Set Vx = Vx OR Vy\n    //   0b0101 0000 (0x50)\n    // | 0b0000 1010 (0x0A)\n    //   0b0101 1010 (0x5A)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0b01010000);\n    x.registers.poke(0x02, 0b00001010);\n    Chip8CpuInstructions::OR(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b01011010);\n\n    // 0x8xy2 Set Vx = Vx AND Vy\n    //   0b1111 1100 (0xFC)\n    // \u0026 0b1100 1010 (0xCA)\n    //   0b1100 1000 (0xC8)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xFC);\n    x.registers.poke(0x02, 0xCA);\n    Chip8CpuInstructions::AND(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0xC8);\n\n    // 0x8xy3 Set Vx = Vx XOR Vy\n    //   0b1111 1100 (0xFC)\n    // ^ 0b1100 1010 (0xCA)\n    //   0b0011 0110 (0x36)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0b11111100);\n    x.registers.poke(0x02, 0b11001010);\n    Chip8CpuInstructions::ORY(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b00110110);\n\n    // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n    //    T1             T2: Judgement Test\n    //   0x01           0xFF\n    // + 0x01           0x01\n    //   0x02 F0        0x00 F1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 00);\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 0x00);\n    assert_eq!(x.registers.peek(0x01), 0x02);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0xff);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 1);\n    assert_eq!(x.registers.peek(1), 0);\n\n    /*\n    Set Vx = Vx SHR 1.\n\n    If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx is divided by 2.\n    */\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0b00001000);\n    x.registers.poke(0x02, 0b00000000);\n    Chip8CpuInstructions::SHR(0x1, 0x2).execute(\u0026mut x); // 0b0000 0010 (0x02) (Not Set)\n    assert_eq!(x.registers.peek(1), 0b00000100);\n    assert_eq!(x.registers.peek(0xf), 0);\n\n    x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0b00001001);\n    Chip8CpuInstructions::SHR(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b00000100);\n    assert_eq!(x.registers.peek(0xf), 1);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDIA(0x123).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0x123);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn jp_v0addr_test() {\n    let mut x = Chip8Computer::new();\n    /// jump to I + nnn\n    x.registers.poke(0x0, 0xff);\n    Chip8CpuInstructions::JPI(0x100).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x1FF);\n}\n\n#[test]\nfn cls_test() {\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::CLS.execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n    // draw some thing to the video memory\n    x.video_memory.poke(0x01, true);\n    x.video_memory.poke(0x03, true);\n    x.video_memory.poke(0x05, true);\n\n    Chip8CpuInstructions::CLS.execute(\u0026mut x);\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n}\n\n#[test]\nfn skip_next_instruction_ne_text() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::SNEB(0x1, 0x0f).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::SNEB(0x1, 0xf0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn addivx_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke_i(0xabc);\n    x.registers.poke(0x0, 0x10);\n    Chip8CpuInstructions::ADDI(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0xacc);\n}\n\n#[test]\nfn ldstvt_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::LDIS(0x01).execute(\u0026mut x);\n    assert_eq!(x.sound_timer.current(), 0xf0);\n    x.sound_timer.tick();\n    x.sound_timer.tick();\n    x.sound_timer.tick();\n    assert_eq!(x.sound_timer.current(), 0xed);\n}\n\n#[test]\nfn rnd_vx_byte_text() {\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::RND(0x1, 0x0f).execute(\u0026mut x);\n    let new_value = x.registers.peek(0x1);\n    assert!(new_value \u003c 0x10);\n}\n\n#[test]\nfn add_vx_byte_test() {\n    let mut x = Chip8Computer::new();\n    // set a value in the register\n    x.registers.poke(0x01, 0xab);\n    // add 0x10 to register\n    Chip8CpuInstructions::ADD(0x1, 0x10).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0xbb);\n}\n\n#[test]\nfn sub_vx_vy_test() {\n    let mut x = Chip8Computer::new();\n    // load values in 2 registers\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x08);\n    Chip8CpuInstructions::SUB(0x1, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 1);\n    assert_eq!(x.registers.peek(0x1), 0x8);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn sne_vx_vy_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x10);\n    Chip8CpuInstructions::SNEY(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x00);\n    Chip8CpuInstructions::SNEY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204)\n}\n\n#[test]\nfn ld_dt_vx_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    Chip8CpuInstructions::LDD(0x1).execute(\u0026mut x);\n    assert_eq!(x.delay_timer.current(), 0x10);\n    for _ in 0..0x20 {\n        x.delay_timer.tick();\n    }\n    assert_eq!(x.delay_timer.current(), 0);\n}\n\n#[test]\nfn ld_vx_dt_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::LDD(0x1).execute(\u0026mut x);\n    x.delay_timer.tick();\n    x.delay_timer.tick();\n    x.delay_timer.tick();\n    assert_eq!(x.delay_timer.current(), 0xed);\n}\n\n#[test]\nfn subn_vx_vy_test() {\n    // This instruction subtracts the value in\n    // register Vx from the value in register Vy and stores the result in register Vx.\n    // The subtraction is performed as follows: Vx = Vy - Vx. If Vy is less than Vx,\n    // the result will wrap around (due to the 8-bit nature of the registers).\n    // The carry flag (VF) is set to 1 if there is no borrow (i.e., Vy is greater\n    // than or equal to Vx), and it is set to 0 if there is a borrow.\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xa0);\n    x.registers.poke(0x2, 0xab);\n    Chip8CpuInstructions::SUBC(0x1, 0x2).execute(\u0026mut x);\n    // expect the result to be 0x0b\n    assert_eq!(x.registers.peek(0x1), 0x0b);\n    // expect the vf register to be set to 1 as there was overflow\n    assert_eq!(x.registers.peek(0xf), 0x1);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xab);\n    x.registers.poke(0x02, 0xa0);\n    Chip8CpuInstructions::SUBC(0x1, 0x2).execute(\u0026mut x);\n\n    // expect the result to be 11110101, -0xB, -11, 245, 0xF5\n    assert_eq!(x.registers.peek(0x1), 0xf5);\n    assert_eq!(x.registers.peek(0xf), 0x0);\n\n    // 8xyE - SHL Vx {, Vy}\n    // Set Vx = Vx SHL 1.\n    //\n    // If the most-significant bit of Vx is 1, then VF is set to 1, otherwise to 0. Then Vx is multiplied by 2.\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0b00100000);\n    Chip8CpuInstructions::SHL(0x1, 0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x1), 0b01000000);\n    assert_eq!(x.registers.peek(0xf), 0x0);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0b10101010);\n    Chip8CpuInstructions::SHL(0x1, 0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x1), 0b01010100);\n    assert_eq!(x.registers.peek(0xf), 0x1);\n\n    // Fx29 - LD F, Vx\n    // Set I = location of sprite for digit Vx.\n    //\n    // The value of I is set to the location for the hexadecimal sprite corresponding to the value of Vx. See section 2.4, Display, for more information on the Chip-8 hexadecimal font.\n    let mut x = Chip8Computer::new();\n    // target_sprite = 2\n    // target_offset = 0x5\n    x.registers.poke(0x1, 0x2);\n    Chip8CpuInstructions::LDFX(0x1).execute(\u0026mut x);\n\n    assert_eq!(x.registers.peek_i(), 10);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x06);\n    Chip8CpuInstructions::LDFX(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 30);\n\n    // Fx33 - LD B, Vx\n    // Store BCD representation of Vx in memory locations I, I+1, and I+2.\n    //\n    // The interpreter takes the decimal value of Vx, and places the hundreds digit\n    // in memory at location in I, the tens digit at location I+1,\n    // and the ones digit at location I+2.\n    let mut x = Chip8Computer::new();\n\n    // load the value 123 (0x7b)\n    x.registers.poke(0x1, 0x7b);\n    x.registers.poke_i(0x500);\n    Chip8CpuInstructions::BCD(0x1).execute(\u0026mut x);\n    assert_eq!(x.memory.peek(0x500), 0x1);\n    assert_eq!(x.memory.peek(0x501), 0x2);\n    assert_eq!(x.memory.peek(0x502), 0x3);\n\n    // Store registers V0 through Vx in memory starting at location I.\n    //\n    // The interpreter copies the values of registers V0 through Vx into memory,\n    // starting at the address in I.\n    let mut x = Chip8Computer::new();\n\n    // Load Registers.\n    let to_load = [0xab, 0xba, 0xca, 0xca, 0xbe, 0xef];\n    for (idx, val) in to_load.iter().enumerate() {\n        x.registers.poke(idx as u8, *val);\n    }\n    x.registers.poke_i(0x500);\n\n    Chip8CpuInstructions::LDIX(to_load.len() as u8).execute(\u0026mut x);\n\n    // Verify the values are in memory from 0x500 to 0x507\n    for (idx, value) in to_load.iter().enumerate() {\n        assert_eq!(x.memory.peek(0x500 + idx as u16), *value);\n    }\n\n    // Read registers V0 through Vx from memory starting at location I.\n    //\n    // The interpreter reads values from memory starting at location I into registers V0 through Vx.\n\n    let mut x = Chip8Computer::new();\n\n    let base_offset = 0x500;\n    let to_load = [0xab, 0xba, 0xca, 0xca, 0xbe, 0xef];\n\n    // start by setting values in memory\n    for (idx, memory) in to_load.iter().enumerate() {\n        let target_address = base_offset + idx;\n        let target_value = *memory;\n        x.memory.poke(target_address as u16, target_value);\n    }\n    // where to load from\n    x.registers.poke_i(0x500);\n    // how much to load\n    x.registers.poke(0x6, to_load.len() as u8);\n\n    // then copying them values memory to registers\n    Chip8CpuInstructions::LDRI(0x6).execute(\u0026mut x);\n\n    // now check that we have the right values in our registers\n    for (idx, value) in to_load.iter().enumerate() {\n        assert_eq!(x.registers.peek(idx as u8), *value);\n    }\n\n    // ExA1 - SKNP Vx\n    // Skip next instruction if key with the value of Vx is not pressed.\n    //\n    // Checks the keyboard,\n    // and if the key corresponding to the value of Vx is currently in the up position,\n    // PC is increased by 2.\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x5);\n    x.registers.poke(0x1, 0x5);\n    Chip8CpuInstructions::SKNP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n    x.keypad.release_key(0x5);\n    Chip8CpuInstructions::SKNP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x206);\n\n    // Ex9E - SKP Vx\n    // Skip next instruction if key with the value of Vx is pressed.\n    //\n    // Checks the keyboard, and if the key corresponding to the value of Vx is currently in the down position, PC is increased by 2.\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x5);\n    x.registers.poke(0x1, 0x5);\n    Chip8CpuInstructions::SKP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    x.keypad.release_key(0x5);\n    Chip8CpuInstructions::SKP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x206);\n}\n\nfn draw_nibble_vx_vy_n_test_hd() {\n    let mut x = Chip8Computer::new();\n\n    let x_register = 0x01;\n    let x_offset = 0x03;\n    let y_register = 0x02;\n    let y_offset = 0x04;\n    let char_offset = 0x100;\n    x.registers.poke(x_register, x_offset);\n    x.registers.poke(y_register, y_offset);\n    x.video_memory.set_highres();\n    x.registers.poke_i(char_offset);\n    Chip8CpuInstructions::DRW(x_register, y_register, 0).execute(\u0026mut x);\n\n    println!(\"[[{}]]\", x.video_memory.format_as_string());\n\n    assert_eq!(read_test_result(\"\"), x.video_memory.format_as_string());\n}\n\n#[test]\nfn draw_nibble_vx_vy_n_test_sd() {\n    let mut x = Chip8Computer::new();\n    let x_register = 0x1;\n    let y_register = 0x2;\n    let x_offset = 1;\n    let y_offset = 2;\n    let char_offset = 0x0A;\n\n    // now lets set the X and Y to 1,2\n    x.registers.poke(x_register, x_offset);\n    x.registers.poke(y_register, y_offset);\n    x.registers.poke_i(char_offset);\n    // we are using 5 rows.\n    Chip8CpuInstructions::DRW(x_register, y_register, 5).execute(\u0026mut x);\n\n    // now check that video memory has the values at\n    // 1,2-\u003e1,9\n    // 2,2-\u003e2,9\n    // 3,2-\u003e3,9\n    // 4,2-\u003e4,9\n    // 5,2-\u003e5,9\n    //  let byte_to_check = CHIP8FONT_0[0];\n    for row_in_sprite in 0..5 {\n        let row_data = CHIP8FONT_2[row_in_sprite];\n        for bit_in_byte in 0..8 {\n            let data_offset =\n                (x_offset as u16 + row_in_sprite as u16) * 64 + (bit_in_byte + y_offset) as u16;\n            let real_bit_in_byte = 7 - bit_in_byte;\n            let shifted_one = 0x01 \u003c\u003c real_bit_in_byte;\n            let one_shift_set = (shifted_one \u0026 row_data) \u003e 0;\n            debug!(\"ROWDATA = \\t\\t[{row_data:08b}]\\tBIT IN BYTE = \\t[{bit_in_byte}]\\tONE_SHIFT_SET = [{one_shift_set}]\\tSHIFTED ONE = [{shifted_one:08b}]\");\n            debug!(\"DATA_OFFSET FOR SOURCE DATA {}x{} is {} / offset by {}x{} and should be {} working with byte {:08b}\",\n                         bit_in_byte, row_in_sprite, data_offset, x_offset, y_offset, one_shift_set, row_data);\n        }\n    }\n}\n\n#[test]\nfn sub_test() {\n    // 2nnn\n    // Call a subroutine at 2nnn\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::CALL(0x124).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x124);\n    assert_eq!(x.stack.depth(), 1);\n    Chip8CpuInstructions::CALL(0x564).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x564);\n    assert_eq!(x.stack.depth(), 2);\n\n    // SETUP\n    // Return from a subroutine.\n    let mut x = Chip8Computer::new();\n    x.stack.push(\u00260x132);\n    x.stack.push(\u00260xabc);\n    // EXECUTE\n    Chip8CpuInstructions::RET.execute(\u0026mut x);\n    // VERIFY\n    assert_eq!(x.registers.peek_pc(), 0xabc);\n    assert_eq!(x.stack.depth(), 1);\n    // EXECUTE\n    Chip8CpuInstructions::RET.execute(\u0026mut x);\n    // VERIFY\n    assert_eq!(x.registers.peek_pc(), 0x132);\n    assert_eq!(x.stack.depth(), 0);\n}\n\n#[test]\nfn ldvxk_test() {\n    // SETUP\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    Chip8CpuInstructions::LDRK(0x1).execute(\u0026mut x);\n    assert!(matches!(\n        x.state,\n        gemma::chip8::cpu_states::Chip8CpuStates::WaitingForKey\n    ));\n}\n\n#[test]\nfn series8xy4_corex_tests() {\n    /// 8xy4\n    /// Set Vx = Vx + Vy\n    /// Set VF=1 if Carry\n    ///\n    // 1 + 1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x02);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    // 255+1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xff);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x00);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n\n    // 128+192\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 128);\n    x.registers.poke(0x02, 192);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 64);\n    assert_eq!(x.registers.peek(0x0f), 1);\n\n    // 8xy6 - SHR Vx {, Vy}\n    // Set Vx = Vx SHR 1.\n    //\n    // If the least-significant bit of Vx is 1, then VF is set to 1,\n    // otherwise 0. Then Vx is divided by 2.\n    let mut x = Chip8Computer::new();\n    // 0b10101010 -\u003e 0b01010101\n    x.registers.poke(0x01, 0b10101010);\n    x.registers.poke(0x0f, 0x0);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01010100);\n    assert_eq!(x.registers.peek(0x0f), 1);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b10101000);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01010000);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b10100000);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01000000);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n}\n\n#[test]\nfn random_produces_different_numbers() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x00);\n    let first_number = Chip8CpuInstructions::RND(0x01, 0xff)\n        .execute(\u0026mut x)\n        .registers\n        .peek(0x01);\n    let second_number = Chip8CpuInstructions::RND(0x01, 0xff)\n        .execute(\u0026mut x)\n        .registers\n        .peek(0x01);\n    assert_ne!(first_number, second_number);\n}\n\n#[test]\nfn delay_timer_ticks_reduce_time() {\n    let mut st = DelayTimer::new();\n    st.set_timer(100);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 97);\n}\n\n#[test]\nfn delay_timer_out_of_ticks_works() {\n    let mut st = DelayTimer::new();\n    st.set_timer(0);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 0);\n}\n\n#[test]\nfn keypad_keys_check() {\n    let mut k = Keypad::new();\n\n    for i in 0..16 {\n        assert!(!k.key_state(i));\n    }\n\n    // press a key\n    k.push_key(1);\n    k.push_key(2);\n    assert!(k.pressed(1));\n    assert!(k.pressed(2));\n    k.release_key(1);\n    assert!(k.released(1));\n}\n\n#[test]\nfn keypad_string_format_test() {\n    let k = Keypad::new();\n\n    assert_eq!(\n        k.format_as_string(),\n        read_test_result(\"gemma_keypad_string_result.asc\")\n    );\n}\n\n#[test]\nfn register_rw_test() {\n    let mut x = Chip8Registers::default();\n    x.poke(0x0, 0xff);\n    x.poke(0x1, 0xab);\n    assert_eq!(x.peek(0x0), 0xff);\n    assert_eq!(x.peek(0x1), 0xab);\n}\n\n#[test]\nfn pc_test() {\n    let mut x = Chip8Registers::default();\n    x.set_pc(0x300);\n    assert_eq!(x.peek_pc(), 0x300);\n}\n\n#[test]\n#[should_panic]\nfn invalid_register() {\n    let mut x = Chip8Registers::default();\n    x.poke(0x10, 0xff);\n}\n\n#[test]\nfn format_as_string_looks_right() {\n    let mut x = Chip8Registers::default();\n    for i in 0..0x10 {\n        x.registers[i] = i as u8;\n    }\n    x.pc = 0xabc;\n    x.i_register = 0xcab;\n    let result_string = x.format_as_string();\n    assert_eq!(result_string, String::from(\"Vx: 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07\\n    0x08 0x09 0x0a 0x0b 0x0c 0x0d 0x0e 0x0f\\nI: 0x0cab\\tPC: 0x0abc\"));\n}\n\n#[test]\nfn reset_clears_registers() {\n    let mut x = Chip8Registers::default();\n\n    for register in 0..0x10 {\n        x.poke(register, random::\u003cu8\u003e());\n    }\n    x.reset();\n    for register in 0..0x10 {\n        assert_eq!(x.peek(register), 0x00);\n    }\n}\n\n#[test]\nfn sound_timer_ticks_reduce_time() {\n    let mut st = SoundTimer::new();\n    st.set_timer(100);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 97);\n}\n\n#[test]\nfn sound_timer_out_of_ticks_works() {\n    let mut st = SoundTimer::new();\n    st.set_timer(0);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 0);\n}\n\n#[test]\nfn stack_push_pop_test() {\n    let mut x = Chip8Stack::new();\n\n    // lets see if we can push and pop a bunch\n    x.push(\u00260xabcu16);\n    x.push(\u00260xcdeu16);\n    x.pop();\n    assert_eq!(x.depth(), 1);\n}\n\n#[test]\n#[should_panic]\nfn stack_overflow_test() {\n    let mut x = Chip8Stack::new();\n    for i in 0..17 {\n        x.push(\u0026i);\n    }\n}\n\n#[test]\n#[should_panic]\nfn stack_underflow_test() {\n    let mut x = Chip8Stack::new();\n    x.pop();\n}\n\n#[test]\nfn stack_lots_of_subs() {\n    let mut x = Chip8Stack::new();\n    let stack_contents = [\n        0x123, 0x321, 0xabc, 0xdef, 0xbad, 0xbef, 0xfed, 0xcab, 0xbed, 0xcad, 0xfeb, 0xcab, 0xfff,\n        0x000, 0x001,\n    ];\n    for i in stack_contents {\n        x.push(\u0026i);\n    }\n\n    assert_eq!(x.depth(), 15);\n\n    // up to 50 random loops\n    let num_loops: u8 = random::\u003cu8\u003e() % 50;\n    for i in 0..num_loops {\n        let start_count = x.depth();\n        let num_pop = random::\u003cu8\u003e() % x.depth() as u8;\n        for current_pop in 0..num_pop {\n            x.pop();\n        }\n\n        let post_pop_count = x.depth();\n        assert_eq!(post_pop_count as u8, start_count as u8 - num_pop);\n        for current_push in 0..num_pop {\n            x.push(\u0026stack_contents[(current_push + post_pop_count as u8) as usize]);\n        }\n        assert_eq!(x.depth(), 15);\n    }\n}\n\n#[test]\nfn video_split_bytes() {\n    // from 0xABCD we should have AB high, CD low\n    let (low, high) = InstructionUtil::split_bytes(0xabcd);\n    assert_eq!(low, 0xAB);\n    assert_eq!(high, 0xCD);\n}\n\n#[test]\nfn video_join_bytes() {\n    // from 0xAB low and 0xCD high we get 0xABCD\n    let merged = InstructionUtil::join_bytes(0xcd, 0xab);\n    assert_eq!(merged, 0xcdab);\n}\n\n#[test]\nfn instruction_read_from_instruction() {\n    // from 0xABCD\n    let source = 0xABCD;\n    assert_eq!(InstructionUtil::read_addr_from_instruction(source), 0xBCD);\n    assert_eq!(InstructionUtil::read_nibble_from_instruction(source), 0xD);\n    assert_eq!(InstructionUtil::read_x_from_instruction(source), 0xB);\n    assert_eq!(InstructionUtil::read_y_from_instruction(source), 0xC);\n    assert_eq!(InstructionUtil::read_byte_from_instruction(source), 0xCD);\n}\n\n#[test]\nfn instruction_ubln() {\n    // from 0xABCD we should see B\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0xABCD), 0xB);\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0x0123), 0x1);\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0x0000), 0x0);\n}\n\n#[test]\nfn instruction_byte_to_bool_changes() {\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b00000000),\n        [false, false, false, false, false, false, false, false]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11111111),\n        [true, true, true, true, true, true, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11001100),\n        [false, false, true, true, false, false, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11110000),\n        [false, false, false, false, true, true, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, false, false, false, false, false, false]),\n        0b00000000\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([true, true, true, true, true, true, true, true]),\n        0b11111111\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, true, true, false, false, true, true]),\n        0b11001100\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, false, false, true, true, true, true]),\n        0b11110000\n    );\n}\n\nfn real_build_checkboard(in_hd: bool) -\u003e Chip8Video {\n    let mut r = Chip8Video::default();\n    let (width, height) = if in_hd {\n        r.set_highres();\n        (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT)\n    } else {\n        (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT)\n    };\n\n    println!(\"BUILDING BOARD WITH SIZE OF {width}x{height}\");\n\n    for row in 0..height {\n        let data_offset = row * width;\n\n        for col in 0..width {\n            // XOR row and column indices to alternate in a checkerboard pattern\n            let to_poke = (row % 2) ^ (col % 2) == 1;\n            let local_offset: u16 = (data_offset + col) as u16;\n\n            r.poke(local_offset, to_poke);\n        }\n    }\n    r\n}\n\nfn build_checkboard_hd() -\u003e Chip8Video {\n    real_build_checkboard(true)\n}\n\nfn build_checkerboard() -\u003e Chip8Video {\n    real_build_checkboard(false)\n}\n\n#[test]\nfn video_default_test() {\n    let mut x = Chip8Video::default();\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.clone().peek(i as u16));\n        // then flip the value and test again.\n        x.poke(i as u16, true);\n        assert!(x.clone().peek(i as u16));\n    }\n}\n\n#[test]\nfn video_set_initial_memory_sd() {\n    let mut x = Chip8Video::default();\n    // let mut initial_memory = [false; CHIP8_VIDEO_MEMORY];\n    let mut ws = String::new();\n    // set our checkerboard\n    for cbr in 0..32 {\n        for cbc in 0..64 {\n            let dof = cbr * 64 + cbc;\n            if (dof as i32 % 2) == 0 {\n                x.poke(dof, true);\n                ws += \"*\";\n            } else {\n                ws += \" \";\n            }\n        }\n        ws += \"\\n\";\n    }\n    assert_eq!(x.format_as_string(), ws);\n}\n\n#[test]\nfn video_poke_byte_test() {\n    let to_poke = 0b11001111;\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x05, to_poke);\n    let mut expected = String::new();\n    expected = \"     **  ****                                                   \\n\".to_string();\n    for i in 0..31 {\n        expected += \u0026*(\" \".repeat(64) + \"\\n\");\n    }\n    assert_eq!(x.format_as_string(), expected);\n}\n\n#[test]\nfn video_poke_2byte_test() {\n    let to_poke: [u8; 2] = [0b11001111, 0b00111100];\n\n    let mut x = Chip8Video::default();\n    x.poke_2byte(0x00, to_poke);\n\n    let mut expected = String::new();\n    expected = \"**  ****  ****  \".to_string() + \u0026*\" \".repeat(64 - 16).to_string() + \"\\n\";\n    for i in 0..31 {\n        expected += \u0026*((*\" \".repeat(64)).to_string() + \"\\n\");\n    }\n\n    assert_eq!(expected, x.format_as_string());\n}\n\n#[test]\nfn video_poke_multirow_2_byte_sprite() {\n    // take 2 rows of 16bits and write them to memory\n}\n\n#[test]\nfn video_cls_stddef() {\n    let width = 64;\n    let height = 32;\n    let initial_memory = vec![];\n    let mut ws = String::new();\n    let mut set_x = Chip8Video::new(initial_memory.into());\n    for cbr in 0..32 {\n        ws += \u0026*\" \".repeat(width);\n        ws += \"\\n\";\n    }\n    set_x.cls();\n\n    assert_eq!(set_x.format_as_string(), ws);\n}\n\n#[test]\nfn video_poke_byte_test_2() {\n    let to_poke = 0b10101010;\n    let mut v = Chip8Video::default();\n    v.poke_byte(0x00, to_poke);\n    assert!(v.clone().peek(0x00));\n    assert!(!v.clone().peek(0x01));\n    assert!(v.clone().peek(0x02));\n    assert!(!v.clone().peek(0x03));\n    assert!(v.clone().peek(0x04));\n    assert!(!v.clone().peek(0x05));\n    assert!(v.clone().peek(0x06));\n    assert!(!v.clone().peek(0x07));\n    for i in 0x8..CHIP8_VIDEO_MEMORY {\n        assert!(!v.clone().peek(i as u16));\n    }\n}\n\n#[test]\nfn video_poke_multi_line_test() {\n    let mut v = Chip8Video::default();\n    let to_poke = [0b00000000, 0b11111111, 0b10101010, 0b01010101];\n\n    for (byte_in_set, byte_to_poke) in to_poke.iter().enumerate() {\n        let base_offset = byte_in_set * 64;\n        v.poke_byte(base_offset as u16, *byte_to_poke);\n    }\n\n    // row 2 column 1\n    {\n        assert!(v.clone().peek(0x40));\n        assert!(v.clone().peek(0x41));\n        assert!(v.clone().peek(0x42));\n        assert!(v.clone().peek(0x43));\n        assert!(v.clone().peek(0x44));\n        assert!(v.clone().peek(0x45));\n        assert!(v.clone().peek(0x46));\n        assert!(v.clone().peek(0x47));\n\n        // row 3 column 1\n        assert!(!v.clone().peek(0xC0));\n        assert!(v.clone().peek(0xC1));\n        assert!(!v.clone().peek(0xC2));\n        assert!(v.clone().peek(0xC3));\n        assert!(!v.clone().peek(0xC4));\n        assert!(v.clone().peek(0xC5));\n        assert!(!v.clone().peek(0xC6));\n        assert!(v.clone().peek(0xC7));\n    }\n}\n\n#[test]\nfn video_moved_poke_test() {\n    let mut v = Chip8Video::default();\n    let to_poke = [0b00000000, 0b11111111, 0b10101010, 0b01010101];\n\n    let x_offset = 20;\n    let y_offset = 5;\n\n    for (byte_in_set, byte_to_poke) in to_poke.iter().enumerate() {\n        let base_offset = (x_offset + byte_in_set) * 64 + y_offset;\n        v.poke_byte(base_offset as u16, *byte_to_poke);\n    }\n\n    let test_offset = (x_offset * 64 + y_offset) as u16;\n    assert!(!v.clone().peek(test_offset));\n    assert!(!v.clone().peek(test_offset + 1));\n    assert!(!v.clone().peek(test_offset + 2));\n    assert!(!v.clone().peek(test_offset + 3));\n    assert!(!v.clone().peek(test_offset + 4));\n    assert!(!v.clone().peek(test_offset + 5));\n    assert!(!v.clone().peek(test_offset + 6));\n    assert!(!v.clone().peek(test_offset + 7));\n\n    let test_offset = test_offset + 0x40;\n    assert!(v.clone().peek(test_offset));\n    assert!(v.clone().peek(test_offset + 1));\n    assert!(v.clone().peek(test_offset + 2));\n    assert!(v.clone().peek(test_offset + 3));\n    assert!(v.clone().peek(test_offset + 4));\n    assert!(v.clone().peek(test_offset + 5));\n    assert!(v.clone().peek(test_offset + 6));\n    assert!(v.clone().peek(test_offset + 7));\n}\n\n#[test]\nfn video_verify_change_registered() {\n    let mut v = Chip8Video::default();\n    v.poke(0x01, true);\n    v.poke(0x01, true);\n    assert!(v.has_frame_changed);\n\n    v.start_frame();\n    assert!(!v.has_frame_changed);\n}\n\n#[test]\nfn video_write_checkboard() {\n    let v = build_checkerboard();\n    assert_eq!(\n        v.clone().format_as_string(),\n        read_test_result(\"test_video_write_checkerboard.asc\")\n    );\n}\n\n#[test]\nfn video_zero_test() {\n    let mut x = Chip8Video::default();\n\n    for (byte_index, data_offset) in (0..=0x100).step_by(0x40).enumerate() {\n        x.poke_byte(data_offset as u16, CHIP8FONT_0[byte_index]);\n    }\n\n    assert_eq!(\n        read_test_result(\"test_video_zero.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_multi_sprite_test() {\n    let mut x = Chip8Video::default();\n    // draw a row of digits 01234567\n    let to_draw = [\n        CHIP8FONT_0,\n        CHIP8FONT_1,\n        CHIP8FONT_2,\n        CHIP8FONT_3,\n        CHIP8FONT_4,\n        CHIP8FONT_5,\n        CHIP8FONT_6,\n        CHIP8FONT_7,\n    ];\n    for (index, sprite) in to_draw.iter().enumerate() {\n        let data_base_offset = index * 0x8;\n        for (index, offset) in (0..=0x100).step_by(0x40).enumerate() {\n            x.poke_byte((data_base_offset + offset) as u16, sprite[index]);\n        }\n    }\n\n    assert_eq!(\n        read_test_result(\"test_multi_sprite.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_reset_test() {\n    let mut x = build_checkerboard();\n    x.reset();\n    assert_eq!(\n        x.format_as_string(),\n        read_test_result(\"test_reset_clears_video.asc\")\n    );\n}\n\n#[test]\nfn video_collision_test() {\n    // Setup: Set 0xFF to 0x00 with a new frame ready\n    // Action: Run Poke to the same area\n    // Test: Verify the 'changed' flag is tripped\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0xff);\n    x.tick();\n    // set the cell thats already set...\n    x.poke(0x00, true);\n    // it becomes unset and theres a frame changed\n    assert!(!x.peek(0x00));\n\n    assert!(x.clone().has_frame_changed);\n}\n\n#[test]\nfn video_collision_test2() {\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0b11110000);\n    assert!(x.has_frame_changed);\n    x.tick();\n    assert!(!x.has_frame_changed);\n    // clear the 'has changed' flag\n\n    // now set a no-collision value\n    x.poke_byte(0x00, 0b00001111);\n    assert!(x.has_frame_changed);\n}\n\n#[test]\nfn video_collision_test3() {\n    // draw a couple sprites that do not overlap.\n    // goal being drawing without triggering the collision\n    // detection.\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0b11110000);\n}\n\n#[test]\nfn video_peek_out_of_bounds_doesnt_panic() {\n    let x = Chip8Video::default();\n\n    let y = x.clone().peek(2049);\n    let y = x.clone().peek(0);\n\n    // if we got here we didn't panic\n    assert!(true);\n}\n\n#[test]\nfn video_scroll_down_1_row_test() {\n    let mut x = build_checkerboard();\n    x.scroll_down(1);\n    assert_eq!(\n        read_test_result(\"test_video_scroll_down_1.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_10_row_test() {\n    let mut x = build_checkerboard();\n    x.scroll_down(10);\n    assert_eq!(\n        read_test_result(\"test_video_scroll_down_10.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_high_res_has_right_resolution() {\n    let x = build_checkboard_hd();\n    println!(\"[{}]\", x.format_as_string());\n    assert_eq!(\n        read_test_result(\"test_video_highdef.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_1_row_test_schip() {\n    let mut x = build_checkboard_hd();\n    x.scroll_down(1);\n\n    println!(\"[{}]\", x.format_as_string());\n    println!(\"[{}]\", read_test_result(\"test_scroll_down_1_hd.asc\"));\n\n    assert_eq!(\n        read_test_result(\"test_scroll_down_1_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_10_row_test_schip() {\n    let mut x = build_checkboard_hd();\n    x.scroll_down(10);\n    assert_eq!(\n        read_test_result(\"test_scroll_down_10_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_left_4_row_test_std_def() {\n    let mut x = build_checkerboard();\n    x.scroll_left();\n    assert_eq!(\n        read_test_result(\"test_scroll_left_4.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_left_4_row_test_high_def() {\n    let mut x = build_checkboard_hd();\n    x.scroll_left();\n    assert_eq!(\n        read_test_result(\"test_scroll_left_4_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_right_4_row_test_std_def() {\n    let mut x = build_checkerboard();\n    x.scroll_right();\n    assert_eq!(\n        read_test_result(\"test_scroll_right_4.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_right_4_row_test_high_def() {\n    let mut x = build_checkboard_hd();\n    x.scroll_right();\n    assert_eq!(\n        read_test_result(\"test_scroll_right_4_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn instructions_operands_tests() {\n    assert_eq!(Chip8CpuInstructions::SYS(0x000).operands(), \"0x0000\");\n    assert_eq!(Chip8CpuInstructions::JPI(0x123).operands(), \"0x0123\");\n    assert_eq!(Chip8CpuInstructions::JPA(0x234).operands(), \"0x0234\");\n    assert_eq!(Chip8CpuInstructions::LDIA(0x345).operands(), \"0x0345\");\n    assert_eq!(Chip8CpuInstructions::CALL(0x456).operands(), \"0x0456\");\n}\n\n#[test]\nfn instruction_ena_dis_tests() {\n    let mut x = Chip8Computer::new();\n    for quirk in [SChipModern, XOChip] {\n        x.quirk_mode = quirk;\n        assert!(!x.video_memory.is_highres());\n        Chip8CpuInstructions::HIGH.execute(\u0026mut x);\n        assert!(x.video_memory.is_highres());\n        Chip8CpuInstructions::HIGH.execute(\u0026mut x);\n        assert!(x.video_memory.is_highres());\n        Chip8CpuInstructions::LOW.execute(\u0026mut x);\n        assert!(!x.video_memory.is_highres());\n    }\n}\n\n#[test]\nfn instruction_test_scrolling_lowres() {\n    for quirk in [SChipModern, XOChip] {\n        let mut x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCR.execute(\u0026mut x);\n        assert_eq!(\n            read_test_result(\"test_scroll_right_4.asc\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCL.execute(\u0026mut x);\n\n        assert_eq!(\n            read_test_result(\"test_scroll_left_4.asc\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCD(0x01).execute(\u0026mut x);\n        assert_eq!(\n            read_test_result(\"test_video_scroll_down_1.asc\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCD(0xA).execute(\u0026mut x);\n        assert_eq!(\n            read_test_result(\"test_video_scroll_down_10.asc\"),\n            x.dump_video_to_string()\n        );\n    }\n}\n\n#[test]\nfn computer_dump_keypad_to_string() {\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x1);\n    x.keypad.push_key(0x2);\n    assert_eq!(\n        read_test_result(\"test_keypad_to_string.asc\"),\n        x.dump_keypad_to_string()\n    );\n}\n\n#[test]\nfn computer_dump_registers_to_string() {\n    let mut x = Chip8Computer::new();\n    let values_to_set = [\n        0x0b, 0xad, 0xbe, 0xef, 0xca, 0xb0, 0x7a, 0xc0, 0xca, 0x70, 0xba, 0xdb, 0xed, 0x00, 0x00,\n        0x00,\n    ];\n    let expected_value = \"Vx: 0x0b 0xad 0xbe 0xef 0xca 0xb0 0x7a 0xc0\\n    0xca 0x70 0xba 0xdb 0xed 0x00 0x00 0x00\\nI: 0x0000\\tPC: 0x0200\";\n\n    for i in 0..16 {\n        x.registers.poke(i, values_to_set[i as usize]);\n    }\n\n    // now verify.\n    assert_eq!(expected_value, x.dump_registers_to_string());\n}\n\n#[test]\nfn video_scroll_up_tests_sd() {\n    let mut x = build_checkerboard();\n    let distance = 1u8;\n    x.scroll_up(\u0026distance);\n    assert_eq!(\n        read_test_result(\"test_video_scroll_up_test_sd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_up_tests_hd() {\n    let mut x = build_checkboard_hd();\n    let distance = 1u8;\n    x.scroll_up(\u0026distance);\n    assert_eq!(\n        read_test_result(\"test_video_scroll_up_test_hd.asc\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_resolution_changing() {\n    let mut x = Chip8Video::default();\n\n    x.set_highres();\n    assert_eq!(x.get_resolution(), (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT));\n    assert!(matches!(\n        x.get_screen_resolution(),\n        Chip8VideoModes::HighRes\n    ));\n    x.set_lowres();\n    assert_eq!(x.get_resolution(), (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT));\n    assert!(matches!(x.get_screen_resolution(), Chip8VideoModes::LowRes));\n}\n\n#[test]\nfn delay_timer_default() {\n    let t = DelayTimer::default();\n    assert_eq!(t.current(), 0xff);\n}\n\n#[test]\nfn instruction_jpx() {\n    // JPX -\u003e 0xBXnn\n    // Jump to Xnn+Vx\n    let mut x = Chip8Computer::new();\n    // set X1 to 4...\n    x.registers.poke(0x01, 0x04);\n    // ...use (x1)+0x134\n    let to_execute = JPX(0x01, 0x34);\n    // expect to set PC to 0x834\n    to_execute.execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0x834);\n}\n\n#[test]\nfn instruction_ldrd() {\n    let mut x = Chip8Computer::new();\n    x.state = WaitingForInstruction;\n    x.delay_timer.set_timer(0x01);\n    Chip8CpuInstructions::LDRD(0x01).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x01);\n    x.delay_timer.set_timer(0xff);\n    Chip8CpuInstructions::LDRD(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x00), 0xff);\n    x.step_system();\n    x.step_system();\n    x.step_system();\n    x.step_system();\n    Chip8CpuInstructions::LDRD(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x0), 0xfb);\n}\n\n#[test]\nfn video_hires_loop_check() {\n    let max_address = SCHIP_VIDE_MEMORY;\n    let x = build_checkboard_hd();\n    x.peek((max_address + 1) as u16);\n    // if we got here we didn't explode!\n    assert!(true);\n}\n\n#[test]\nfn sound_timer_default() {\n    let x = SoundTimer::default();\n    assert_eq!(x.current(), 0);\n}\n\n#[test]\nfn system_memory_new() {\n    let x = Chip8SystemMemory::new();\n    assert!(true);\n}\n\n#[test]\nfn video_lowres_schip_draw_chip8_sprite() {\n    let mut x = Chip8Computer::new();\n    x.quirk_mode = QuirkMode::SChipModern;\n    x.video_memory.set_lowres();\n    // point at the 1 from chip8\n    x.registers.poke_i(0x0005);\n    // point to 1,2 for the drawing\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::DRW(0x01, 0x01, 0x08).execute(\u0026mut x);\n    let expected_state = read_test_result(\"state/video_lowres_schip_draw_chip8_sprite_result.json\");\n    let actual_state = serde_json::to_string(\u0026x).unwrap();\n    assert_eq!(expected_state, actual_state);\n}\n\n#[test]\nfn video_lowres_schip_draw_schip_sprite() {}\n#[test]\nfn video_highres_schip_draw_chip8_sprite() {}\n#[test]\nfn video_highres_schip_draw_schip_sprite() {}\n\n\n#[test]\nfn partial_eq_chip8computer() {\n    let x = Chip8Computer::new();\n    let y = Chip8Computer::new();\n    assert_eq!(x, y)\n}\n\n#[test]\nfn quirk_mode_labels() {\n    assert_eq!(format!(\"{}\", Chip8), LABEL_QUIRK_CHIP8);\n    assert_eq!(format!(\"{}\", XOChip), LABEL_QUIRK_XOCHIP);\n    assert_eq!(format!(\"{}\", SChipModern), LABEL_QUIRK_SCHIP);\n}\n\n#[test]\nfn system_memory_load_program() {\n    let mut m = Chip8SystemMemory::new();\n    let mut program_to_load = vec![];\n    let file_to_load = format!(\"{}/2-ibm-logo.ch8\", TEST_ROM_ROOT);\n    println!(\"Attempt to load {} from {}\", file_to_load, std::env::current_dir().unwrap().display());\n    let mut file_to_load_from = File::open(file_to_load).expect(\"Unable to load sample rom\");\n    file_to_load_from.read_to_end(\u0026mut program_to_load).expect(\"Unable to read sample rom\");\n    m.load_program(program_to_load.clone().into());\n    let expected_at_200 = program_to_load[0];\n    assert_eq!(m.peek(0x200), expected_at_200);\n}\n\n#[test]\nfn start_stop_computer() {\n    let mut computer = Chip8ComputerManager::new();\n\n    assert_eq!(computer.core_should_run, false);\n    computer.start();\n    assert_eq!(computer.core_should_run, true);\n    computer.step();\n    assert_eq!(computer.core_should_run, true);\n    computer.stop();\n    assert_eq!(computer.core_should_run, false);\n    computer.reset(Chip8);\n    assert_eq!(computer.core_should_run, false);\n}\n\n#[test]\nfn state_default_matches() {\n    let computer = Chip8Computer::default();\n    let mut manager = Chip8ComputerManager::default();\n    assert_eq!(computer, *manager.state());\n}\n\n#[test]\nfn keys_test_manager() {\n    let mut manager = Chip8ComputerManager::default();\n\n    for i in 0..16 {\n        assert_eq!(manager.is_key_pressed(i), false);\n    }\n\n    // press key 5\n    manager.press_key(5);\n    assert_eq!(manager.is_key_pressed(5), true);\n    manager.release_key(5);\n    assert_eq!(manager.is_key_pressed(5), 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gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::*;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::constants::*;\n\n#[derive(Clone)]\nstruct InstructionTestQuirks {\n    chip8: Chip8CpuInstructions,\n    schip: Chip8CpuInstructions,\n    xochip: Chip8CpuInstructions,\n}\n\n#[derive(Clone)]\nstruct InstructionTest {\n    name: String,\n    instruction: Chip8CpuInstructions,\n    operands: String,\n    asm: String,\n    encoded: u16,\n    quirks: InstructionTestQuirks,\n}\n\n#[test]\nfn instructions_encode_decode_tests_with_quirks() {\n    let it = vec![\n        InstructionTest {\n            name: INST_SYS.to_string(),\n            instruction: SYS(0x123),\n            operands: \"0x0123\".to_string(),\n            asm: \"SYS 0x0123\".to_string(),\n            encoded: 0x0123,\n            quirks: InstructionTestQuirks {\n                chip8: SYS(0x123),\n                schip: XXXXERRORINSTRUCTION,\n                xochip: XXXXERRORINSTRUCTION,\n            },\n        },\n        InstructionTest {\n            name: INST_CLS.to_string(),\n            instruction: CLS,\n            asm: \"CLS\".to_string(),\n            operands: \"\".to_string(),\n            encoded: 0x00E0,\n            quirks: InstructionTestQuirks {\n                chip8: CLS,\n                schip: CLS,\n                xochip: CLS,\n            },\n        },\n        InstructionTest {\n            name: INST_RET.to_string(),\n            instruction: RET,\n            asm: \"RET\".to_string(),\n            operands: \"\".to_string(),\n            encoded: 0x00ee,\n            quirks: InstructionTestQuirks {\n                chip8: RET,\n                schip: RET,\n                xochip: RET,\n            },\n        },\n        InstructionTest {\n            name: INST_JPX.to_string(),\n            instruction: JPX(0x1, 0xab),\n            operands: \"0x01, 0x01ab\".to_string(),\n            asm: \"JPX 0x01, 0x01ab\".to_string(),\n            encoded: 0xb1ab,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: JPX(0x1, 0xab),\n                xochip: XXXXERRORINSTRUCTION,\n            },\n        },\n        InstructionTest {\n            name: INST_CALL.to_string(),\n            instruction: CALL(0x123),\n            asm: \"CALL 0x0123\".to_string(),\n            encoded: 0x2123,\n            operands: \"0x0123\".to_string(),\n            quirks: InstructionTestQuirks {\n                chip8: CALL(0x123),\n                schip: CALL(0x123),\n                xochip: CALL(0x123),\n            },\n        },\n        InstructionTest {\n            name: INST_DRW.to_string(),\n            instruction: DRW(0x01, 0x02, 0x03),\n            operands: \"0x01, 0x02, 0x03\".to_string(),\n            asm: \"DRW 0x01, 0x02, 0x03\".to_string(),\n            encoded: 0xd123,\n            quirks: InstructionTestQuirks {\n                chip8: DRW(0x1, 0x2, 0x3),\n                schip: DRW(0x1, 0x2, 0x3),\n                xochip: DRW(0x1, 0x2, 0x3),\n            },\n        },\n        InstructionTest {\n            name: INST_JPI.to_string(),\n            instruction: JPI(0x321),\n            operands: \"0x0321\".to_string(),\n            asm: \"JPI 0x0321\".to_string(),\n            encoded: 0xb321,\n            quirks: InstructionTestQuirks {\n                chip8: JPI(0x321),\n                schip: XXXXERRORINSTRUCTION,\n                xochip: JPI(0x321),\n            },\n        },\n        InstructionTest {\n            name: INST_SCD.to_string(),\n            instruction: SCD(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SCD 0x01\".to_string(),\n            encoded: 0x00c1,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCD(0x1),\n                xochip: SCD(0x1),\n            },\n        },\n        InstructionTest {\n            name: INST_SCR.to_string(),\n            instruction: Chip8CpuInstructions::SCR,\n            operands: \"\".to_string(),\n            asm: \"SCR\".to_string(),\n            encoded: 0x00FB,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCR,\n                xochip: SCR,\n            },\n        },\n        InstructionTest {\n            name: INST_SCL.to_string(),\n            instruction: SCL,\n            operands: \"\".to_string(),\n            asm: \"SCL\".to_string(),\n            encoded: 0x00FC,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCL,\n                xochip: SCL,\n            },\n        },\n        InstructionTest {\n            name: INST_EXIT.to_string(),\n            instruction: EXIT,\n            operands: \"\".to_string(),\n            asm: \"EXIT\".to_string(),\n            encoded: 0x00FD,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: EXIT,\n                xochip: EXIT,\n            },\n        },\n        InstructionTest {\n            name: INST_LOW.to_string(),\n            instruction: LOW,\n            operands: \"\".to_string(),\n            asm: \"LOW\".to_string(),\n            encoded: 0x00FE,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LOW,\n                xochip: LOW,\n            },\n        },\n        InstructionTest {\n            name: INST_HIGH.to_string(),\n            instruction: HIGH,\n            operands: \"\".to_string(),\n            asm: \"HIGH\".to_string(),\n            encoded: 0x00FF,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: HIGH,\n                xochip: HIGH,\n            },\n        },\n        InstructionTest {\n            name: INST_SEX.to_string(),\n            instruction: Chip8CpuInstructions::SEX(0x01, 0xfa),\n            operands: \"0x01, 0xfa\".to_string(),\n            asm: \"SEX 0x01, 0xfa\".to_string(),\n            encoded: 0x31fa,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SEX(0x1, 0xfa),\n                schip: Chip8CpuInstructions::SEX(0x1, 0xfa),\n                xochip: Chip8CpuInstructions::SEX(0x1, 0xfa),\n            },\n        },\n        InstructionTest {\n            name: INST_SNEB.to_string(),\n            instruction: Chip8CpuInstructions::SNEB(0x01, 0xab),\n            operands: \"0x01, 0xab\".to_string(),\n            asm: \"SNEB 0x01, 0xab\".to_string(),\n            encoded: 0x41ab,\n            quirks: InstructionTestQuirks {\n                chip8: SNEB(0x01, 0xab),\n                schip: SNEB(0x01, 0xab),\n                xochip: SNEB(0x01, 0xab),\n            },\n        },\n        InstructionTest {\n            name: INST_SEY.to_string(),\n            instruction: Chip8CpuInstructions::SEY(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SEY 0x1, 0x2\".to_string(),\n            encoded: 0x5120,\n            quirks: InstructionTestQuirks {\n                chip8: SEY(0x1, 0x2),\n                schip: SEY(0x1, 0x2),\n                xochip: SEY(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_LDR.to_string(),\n            instruction: LDR(0xa, 0xbe),\n            operands: \"0x0a, 0xbe\".to_string(),\n            asm: \"LDR 0x0a, 0xbe\".to_string(),\n            encoded: 0x6abe,\n            quirks: InstructionTestQuirks {\n                chip8: LDR(0xa, 0xbe),\n                schip: LDR(0xa, 0xbe),\n                xochip: LDR(0xa, 0xbe),\n            },\n        },\n        InstructionTest {\n            name: INST_ADD.to_string(),\n            instruction: Chip8CpuInstructions::ADD(0x01, 0xab),\n            operands: \"0x01, 0xab\".to_string(),\n            asm: \"ADD 0x01, 0xab\".to_string(),\n            encoded: 0x71ab,\n            quirks: InstructionTestQuirks {\n                chip8: ADD(0x01, 0xab),\n                schip: ADD(0x01, 0xab),\n                xochip: ADD(0x01, 0xab),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRK.to_string(),\n            instruction: Chip8CpuInstructions::LDRK(0x6),\n            operands: \"0x06\".to_string(),\n            asm: \"LDRK 0x06\".to_string(),\n            encoded: 0xF60A,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRK(0x6),\n                schip: Chip8CpuInstructions::LDRK(0x6),\n                xochip: Chip8CpuInstructions::LDRK(0x6),\n            },\n        },\n        InstructionTest {\n            name: INST_ADDI.to_string(),\n            instruction: Chip8CpuInstructions::ADDI(0x02),\n            operands: \"0x02\".to_string(),\n            asm: \"ADDI 0x02\".to_string(),\n            encoded: 0xF21E,\n            quirks: InstructionTestQuirks {\n                chip8: ADDI(0x02),\n                schip: ADDI(0x02),\n                xochip: ADDI(0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_ADD.to_string(),\n            instruction: Chip8CpuInstructions::ADD(0x02, 0x12),\n            operands: \"0x02, 0x12\".to_string(),\n            asm: \"ADD 0x02, 0x12\".to_string(),\n            encoded: 0x7212,\n            quirks: InstructionTestQuirks {\n                chip8: ADD(0x02, 0x12),\n                schip: ADD(0x02, 0x12),\n                xochip: ADD(0x02, 0x12),\n            },\n        },\n        InstructionTest {\n            name: INST_SCU.to_string(),\n            instruction: Chip8CpuInstructions::SCU(0x04),\n            operands: \"0x04\".to_string(),\n            asm: \"SCU 0x04\".to_string(),\n            encoded: 0x00D4,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: XXXXERRORINSTRUCTION,\n                xochip: SCU(0x04),\n            },\n        },\n        InstructionTest {\n            name: INST_ADDR.to_string(),\n            instruction: ADDR(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"ADDR 0x1, 0x2\".to_string(),\n            encoded: 0x8124,\n            quirks: InstructionTestQuirks {\n                chip8: ADDR(0x01, 0x02),\n                schip: ADDR(0x01, 0x02),\n                xochip: ADDR(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_AND.to_string(),\n            instruction: AND(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"AND 0x1, 0x2\".to_string(),\n            encoded: 0x8122,\n            quirks: InstructionTestQuirks {\n                chip8: AND(0x1, 0x2),\n                schip: AND(0x1, 0x2),\n                xochip: AND(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_JPA.to_string(),\n            instruction: JPA(0x345),\n            operands: \"0x0345\".to_string(),\n            asm: \"JPA 0x0345\".to_string(),\n            encoded: 0x1345,\n\n            quirks: InstructionTestQuirks {\n                chip8: JPA(0x345),\n                schip: JPA(0x345),\n                xochip: JPA(0x345),\n            },\n        },\n        InstructionTest {\n            name: INST_BCD.to_string(),\n            instruction: BCD(0xc),\n            operands: \"0x0c\".to_string(),\n            asm: \"BCD 0x0c\".to_string(),\n            encoded: 0xfc33,\n            quirks: InstructionTestQuirks {\n                chip8: BCD(0xcd),\n                schip: BCD(0xcd),\n                xochip: BCD(0xcd),\n            },\n        },\n        InstructionTest {\n            name: INST_LDD.to_string(),\n            instruction: LDD(0xfc),\n            operands: \"0xfc\".to_string(),\n            asm: \"LDD 0xfc\".to_string(),\n            encoded: 0xfc15,\n            quirks: InstructionTestQuirks {\n                chip8: LDD(0xfc),\n                schip: LDD(0xfc),\n                xochip: LDD(0xfc),\n            },\n        },\n        InstructionTest {\n            name: INST_ORY.to_string(),\n            instruction: ORY(0x01, 0x3),\n            operands: \"0x1, 0x3\".to_string(),\n            asm: \"ORY 0x1, 0x3\".to_string(),\n            encoded: 0x8133,\n            quirks: InstructionTestQuirks {\n                chip8: ORY(0x01, 0x3),\n                schip: ORY(0x01, 0x3),\n                xochip: ORY(0x01, 0x3),\n            },\n        },\n        InstructionTest {\n            name: INST_SUBC.to_string(),\n            instruction: Chip8CpuInstructions::SUBC(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SUBC 0x1, 0x2\".to_string(),\n            encoded: 0x8127,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SUBC(0x1, 0x2),\n                schip: Chip8CpuInstructions::SUBC(0x1, 0x2),\n                xochip: Chip8CpuInstructions::SUBC(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_SUB.to_string(),\n            instruction: Chip8CpuInstructions::SUB(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SUB 0x1, 0x2\".to_string(),\n            encoded: 0x8125,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SUB(0x1, 0x2),\n                schip: Chip8CpuInstructions::SUB(0x1, 0x2),\n                xochip: Chip8CpuInstructions::SUB(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_STR.to_string(),\n            instruction: Chip8CpuInstructions::STR(0x06),\n            operands: \"0x06\".to_string(),\n            asm: \"STR 0x06\".to_string(),\n            encoded: 0xf675,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: Chip8CpuInstructions::STR(0x06),\n                xochip: Chip8CpuInstructions::STR(0x06),\n            },\n        },\n        InstructionTest {\n            name: INST_OR.to_string(),\n            instruction: OR(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"OR 0x1, 0x2\".to_string(),\n            encoded: 0x8121,\n            quirks: InstructionTestQuirks {\n                chip8: OR(0x01, 0x02),\n                schip: OR(0x01, 0x02),\n                xochip: OR(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_SHR.to_string(),\n            instruction: SHR(0x04, 0x4),\n            operands: \"0x4, 0x4\".to_string(),\n            asm: \"SHR 0x4, 0x4\".to_string(),\n            encoded: 0x8446,\n            quirks: InstructionTestQuirks {\n                chip8: SHR(0x04, 0x4),\n                schip: SHR(0x04, 0x4),\n                xochip: SHR(0x04, 0x4),\n            },\n        },\n        InstructionTest {\n            name: INST_SHL.to_string(),\n            instruction: SHL(0x04, 0x4),\n            operands: \"0x4, 0x4\".to_string(),\n            asm: \"SHL 0x4, 0x4\".to_string(),\n            encoded: 0x844e,\n            quirks: InstructionTestQuirks {\n                chip8: SHL(0x04, 0x4),\n                schip: SHL(0x04, 0x4),\n                xochip: SHL(0x04, 0x4),\n            },\n        },\n        InstructionTest {\n            name: INST_RND.to_string(),\n            instruction: RND(0x01, 0xff),\n            operands: \"0x01, 0xff\".to_string(),\n            asm: \"RND 0x01, 0xff\".to_string(),\n            encoded: 0xc1ff,\n            quirks: InstructionTestQuirks {\n                chip8: RND(0x01, 0xff),\n                schip: RND(0x01, 0xff),\n                xochip: RND(0x01, 0xff),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRY.to_string(),\n            instruction: LDRY(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"LDRY 0x1, 0x2\".to_string(),\n            encoded: 0x8120,\n            quirks: InstructionTestQuirks {\n                chip8: LDRY(0x01, 0x02),\n                schip: LDRY(0x01, 0x02),\n                xochip: LDRY(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIS.to_string(),\n            instruction: LDIS(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDIS 0x01\".to_string(),\n            encoded: 0xf118,\n            quirks: InstructionTestQuirks {\n                chip8: LDIS(0x01),\n                schip: LDIS(0x01),\n                xochip: LDIS(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LIDR.to_string(),\n            instruction: LIDR(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LIDR 0x01\".to_string(),\n            encoded: 0xf185,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LIDR(0x01),\n                xochip: LIDR(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDF2.to_string(),\n            instruction: LDF2(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDF2 0x01\".to_string(),\n            encoded: 0xf130,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LDF2(0x01),\n                xochip: LDF2(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDF.to_string(),\n            instruction: LDFX(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDF 0x01\".to_string(),\n            encoded: 0xf129,\n            quirks: InstructionTestQuirks {\n                chip8: LDFX(0x01),\n                schip: LDFX(0x01),\n                xochip: LDFX(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIA.to_string(),\n            instruction: LDIA(0x01),\n            operands: \"0x0001\".to_string(),\n            asm: \"LDIA 0x0001\".to_string(),\n            encoded: 0xa001,\n            quirks: InstructionTestQuirks {\n                chip8: LDIA(0x01),\n                schip: LDIA(0x01),\n                xochip: LDIA(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIX.to_string(),\n            instruction: LDIX(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDIX 0x01\".to_string(),\n            encoded: 0xf155,\n            quirks: InstructionTestQuirks {\n                chip8: LDIX(0x01),\n                schip: LDIX(0x01),\n                xochip: LDIX(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRD.to_string(),\n            instruction: Chip8CpuInstructions::LDRD(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDRD 0x01\".to_string(),\n            encoded: 0xf107,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRD(0x01),\n                schip: Chip8CpuInstructions::LDRD(0x01),\n                xochip: Chip8CpuInstructions::LDRD(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRI.to_string(),\n            instruction: Chip8CpuInstructions::LDRI(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDRI 0x01\".to_string(),\n            encoded: 0xf165,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRI(0x01),\n                schip: Chip8CpuInstructions::LDRI(0x01),\n                xochip: Chip8CpuInstructions::LDRI(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_SKP.to_string(),\n            instruction: SKP(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SKP 0x01\".to_string(),\n            encoded: 0xe19e,\n            quirks: InstructionTestQuirks {\n                chip8: SKP(0x01),\n                schip: SKP(0x01),\n                xochip: SKP(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_SNEY.to_string(),\n            instruction: SNEY(0x01, 0x1),\n            operands: \"0x1, 0x1\".to_string(),\n            asm: \"SNEY 0x1, 0x1\".to_string(),\n            encoded: 0x9110,\n            quirks: InstructionTestQuirks {\n                chip8: SNEY(0x01, 0x1),\n                schip: SNEY(0x01, 0x1),\n                xochip: SNEY(0x01, 0x1),\n            },\n        },\n        InstructionTest {\n            name: INST_SKNP.to_string(),\n            instruction: SKNP(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SKNP 0x01\".to_string(),\n            encoded: 0xe1a1,\n            quirks: InstructionTestQuirks {\n                chip8: SKNP(0x01),\n                schip: SKNP(0x01),\n                xochip: SKNP(0x01),\n            },\n        },\n    ];\n\n    for current in it {\n        let instruction = current.clone().instruction;\n        let asm = Chip8CpuInstructions::from_str(\u0026current.asm);\n        let as_chip8 = Chip8CpuInstructions::decode(current.encoded, \u0026Chip8);\n        let quirks_chip8 = current.quirks.chip8;\n        let as_schip = Chip8CpuInstructions::decode(current.encoded, \u0026SChipModern);\n        let quirks_schip = current.quirks.schip;\n        let as_xochip = Chip8CpuInstructions::decode(current.encoded, \u0026XOChip);\n        let quirks_xochip = current.quirks.xochip;\n\n        // ** CONVERSION **\n        // -\u003e Integer to Instruction\n        assert!(matches!(\n            Chip8CpuInstructions::decode(current.encoded, \u0026Chip8),\n            i\n        ));\n        // -\u003e Instruction to Integer\n        println!(\n            \"TESTING INSTRUCTION TO INTEGER FOR {:?} / {:04x} {:04x}\",\n            current.instruction,\n            current.encoded,\n            instruction.encode()\n        );\n        assert_eq!(current.encoded, instruction.encode());\n        // -\u003e Instruction to String\n        assert_eq!(instruction.to_string(), current.asm);\n        assert_eq!(instruction.operands(), current.operands);\n        assert_eq!(current.instruction.name(), current.name);\n        // -\u003e String to Instruction\n        assert!(matches!(Chip8CpuInstructions::from_str(\u0026current.name), asm));\n        // ** QUIRKS **\n        assert!(matches!(as_chip8, quirks_chip8));\n        assert!(matches!(as_schip, quirks_schip));\n        assert!(matches!(as_xochip, quirks_xochip));\n    }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","util_tests.rs"],"content":"use std::collections::BTreeMap;\nuse gemma::chip8::util::InstructionUtil;\n\n#[test]\nfn byte_to_bools() {\n    let data_set: BTreeMap\u003cu8, [bool; 8]\u003e = BTreeMap::from(\n        [\n            (0x00, [false, false, false, false, false, false, false, false]),\n            (0x0f, [true, true, true, true, false, false, false, false]),\n            (0xaa, [false, true, false, true, false, true, false, true]),\n            (0xf0, [false, false, false, false, true, true, true, true]),\n            (0xff, [true, true, true, true, true, true, true, true]),\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        let result_array = InstructionUtil::byte_to_bools(*key);\n        for i in 0..8 {\n            assert_eq!(result_array[i], value[i]);\n        }\n    }\n}\n\n\n#[test]\nfn bools_to_byte() {\n    let data_set: BTreeMap\u003cu8, [bool; 8]\u003e = BTreeMap::from(\n        [\n            (0x00, [false, false, false, false, false, false, false, false]),\n            (0x0f, [true, true, true, true, false, false, false, false]),\n            (0xaa, [false, true, false, true, false, true, false, true]),\n            (0xf0, [false, false, false, false, true, true, true, true]),\n            (0xff, [true, true, true, true, true, true, true, true]),\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        let result = InstructionUtil::bools_to_byte(*value);\n        assert_eq!(result, *key);\n    }\n}\n\n#[test]\nfn split_bytes() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from(\n        [\n            (0xff00, (0xff, 0x00)),\n            (0x00ff, (0x00, 0xff)),\n            (0xabcd, (0xab, 0xcd)),\n            (0xcdab, (0xcd, 0xab))\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::split_bytes(*key), *value);\n    }\n}\n\n#[test]\nfn join_bytes() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from(\n        [\n            (0xff00, (0xff, 0x00)),\n            (0x00ff, (0x00, 0xff)),\n            (0xabcd, (0xab, 0xcd)),\n            (0xcdab, (0xcd, 0xab))\n        ]\n    );\n\n    for (key, (low, high )) in data_set.iter() {\n        assert_eq!(InstructionUtil::join_bytes(*low, *high), *key);\n    }\n}\n\n#[test]\nfn swap_endian() {\n    let data_set: BTreeMap\u003cu16, u16\u003e = BTreeMap::from(\n        [\n            (0xabcd, 0xcdab),\n            (0x00ff, 0xff00),\n            (0xff00, 0x00ff),\n            (0xffff, 0xffff),\n            (0x0000, 0x0000)\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::swap_endian(*key), *value);\n    }\n}\n\n#[test]\nfn split_bytes_swap_endian() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from([\n        (0x0000, (0x00, 0x00)),\n        (0xffff, (0xff, 0xff)),\n        (0xff00, (0x00, 0xff)),\n        (0x00ff, (0xff, 0x00)),\n        (0xabcd, (0xcd, 0xab))\n    ]);\n\n    for (key, result) in data_set.iter() {\n        assert_eq!(InstructionUtil::split_bytes_swap_endian(*key), *result)\n    }\n}\n\n#[test]\nfn join_bytes_swap_endian() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from([\n        (0xffff, (0xff, 0xff)),\n        (0x0000, (0x00, 0x00)),\n        (0xff00, (0x00, 0xff)),\n        (0x00ff, (0xff, 0x00)),\n        (0xabcd, (0xcd, 0xab))\n    ]);\n\n    for (key, (low, high)) in data_set.iter() {\n        assert_eq!(InstructionUtil::join_bytes_swap_endian(*low, *high), *key);\n    }\n\n}\n\n#[test]\nfn read_address_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u16\u003e = BTreeMap::from([\n        (0xabcd, 0x0bcd),\n        (0xffff, 0x0fff),\n        (0x0000, 0x0000),\n        (0x8123, 0x0123)\n    ]) ;\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_addr_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_nibble_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0xabcd, 0x0d),\n    ]);\n\n    for(key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_nibble_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_x_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0x0a00, 0x0a),\n        (0x0b00, 0x0b)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_x_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_y_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0x00a0, 0x0a),\n        (0x00b0, 0x0b)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_y_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_byte_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0xff),\n        (0x0000, 0x00),\n        (0xabcd, 0xcd),\n        (0xcdab, 0xab)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_byte_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_upper_byte_lower_nibble() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0x0000, 0x00),\n        (0xabcd, 0x0b),\n        (0xffff, 0x0f),\n        (0xcdab, 0x0d)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(*key), *value);\n    }\n}\n\n#[test]\nfn read_bits_from_instruction() {\n    let data_set: BTreeMap\u003cu16, (u8, u8, u16)\u003e = BTreeMap::from([\n        (0x0000, (0, 7, 0x00)),\n        (0x0000, (8, 15, 0x00)),\n        (0xffff, (0, 7, 0xff)),\n        (0xffff, (8, 15, 0xff)),\n    ]);\n\n    for (key, (start, end, value)) in data_set.iter() {\n        let result = InstructionUtil::read_bits_from_instruction(*key, *start, *end);\n        assert_eq!(result,  *value);\n    }\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","gemmaegui.rs"],"content":"use crate::support::gemma_egui_support::{EGuiFileList, GemmaEguiSupport};\nuse eframe::egui;\nuse egui::Key;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::path::PathBuf;\nuse std::time::Instant;\n\nmod support;\n\nconst LIN_KEYS: [[(Key, u8); 4]; 4] = [\n    [\n        (Key::Num1, 0x01),\n        (Key::Num2, 0x02),\n        (Key::Num3, 0x03),\n        (Key::Num4, 0x0c),\n    ],\n    [\n        (Key::Q, 0x04),\n        (Key::W, 0x05),\n        (Key::E, 0x06),\n        (Key::R, 0x0d),\n    ],\n    [\n        (Key::A, 0x07),\n        (Key::S, 0x08),\n        (Key::D, 0x09),\n        (Key::F, 0x0e),\n    ],\n    [\n        (Key::Z, 0x0a),\n        (Key::X, 0x00),\n        (Key::C, 0x0b),\n        (Key::V, 0x0F),\n    ],\n];\n\n#[derive(Default)]\nstruct DisplayOptions {\n    pub video: bool,\n    pub registers: bool,\n    pub memory: bool,\n}\npub struct GemmaViewerState {\n    pub selected_file_index: i32,\n    pub selected_filename: String,\n    pub display_options: DisplayOptions,\n}\n\nimpl Default for GemmaViewerState {\n    fn default() -\u003e Self {\n        GemmaViewerState {\n            selected_file_index: -1,\n            selected_filename: String::new(),\n            display_options: Default::default(),\n        }\n    }\n}\n\nimpl GemmaViewerState {\n    pub fn new() -\u003e GemmaViewerState {\n        GemmaViewerState {\n            ..Default::default()\n        }\n    }\n}\n\nfn main() -\u003e eframe::Result {\n    println!(\"Taxation is Theft\");\n\n    let mut computer = Chip8ComputerManager::new();\n    let mut state = GemmaViewerState::new();\n\n    let options = eframe::NativeOptions {\n        viewport: egui::ViewportBuilder::default().with_inner_size([320.0, 240.0]),\n        ..Default::default()\n    };\n\n    eframe::run_simple_native(\"EGUI Gemma\", options, move |ctx, _frame| {\n        catppuccin_egui::set_theme(ctx, catppuccin_egui::MOCHA);\n        egui::CentralPanel::default().show(ctx, |ui| {\n            let frame_start_time = Instant::now();\n\n            let local_computer = computer.state();\n            //if state.display_video {\n            GemmaEguiSupport::video_view(local_computer, ui);\n            // }\n\n            ui.heading(\"EGUI Gemma\");\n\n            //  if state.display_memory {\n            GemmaEguiSupport::memory_view(local_computer, ui);\n            //  }\n\n            //  if state.display_registers {\n            GemmaEguiSupport::registers_view(local_computer, ui);\n            //  }\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                if ui.button(\"Start\").clicked() {\n                    computer.start();\n                }\n                if ui.button(\"Step\").clicked() {\n                    computer.step();\n                }\n\n                if ui.button(\"Stop\").clicked() {\n                    computer.stop();\n                    //     state.is_running = false;\n                }\n                if ui.button(\"Reset\").clicked() {\n                    computer.reset(computer.quirks_mode());\n                    //   state.is_running = false;\n                }\n            });\n\n            if ui\n                .button(format!(\"Load {}\", state.selected_filename))\n                .clicked()\n            {\n                // println!(\"Should load the bin now\");\n                let read_bin = std::fs::read(PathBuf::from(format!(\n                    \"resources/roms/{}\",\n                    state.selected_filename\n                )))\n                .unwrap();\n                computer.load_new_program_to_system_memory(read_bin);\n            };\n            EGuiFileList::display_path(\n                PathBuf::from(\"resources/roms\"),\n                \u0026mut state.selected_filename,\n                ui,\n            );\n            ctx.input(|input| {\n                // loop through the keys we are checking...\n                for row in LIN_KEYS {\n                    for (keyboard_key, keypad_key) in row {\n                        if input.key_pressed(keyboard_key) {\n                            computer.press_key(keypad_key);\n                            // println!(\"KEY {keypad_key:02x} DOWN\");\n                        } else {\n                            // release it if the user just did\n                            if computer.is_key_pressed(keypad_key) {\n                                computer.release_key(keypad_key);\n                                //    println!(\"KEY {keypad_key:02x} up\");\n                            }\n                        }\n                    }\n                }\n            });\n\n            // run our target number of ticks in the amount of available time.\n            let time_consumed = Instant::now().duration_since(frame_start_time).as_millis();\n            let mut num_ticks = 0;\n            while num_ticks \u003c 1000 {\n                computer.tick();\n                num_ticks += 1;\n            }\n            ctx.request_repaint();\n        });\n    })\n}\n","traces":[{"line":51,"address":[3676112,3676280],"length":1,"stats":{"Line":0}},{"line":54,"address":[3676131],"length":1,"stats":{"Line":0}},{"line":55,"address":[3676193,3676136],"length":1,"stats":{"Line":0}},{"line":61,"address":[3676304],"length":1,"stats":{"Line":0}},{"line":68,"address":[3677415,3676400,3677446],"length":1,"stats":{"Line":0}},{"line":69,"address":[3676417],"length":1,"stats":{"Line":0}},{"line":71,"address":[3676481],"length":1,"stats":{"Line":0}},{"line":72,"address":[3676511],"length":1,"stats":{"Line":0}},{"line":75,"address":[3676620,3676575],"length":1,"stats":{"Line":0}},{"line":79,"address":[3654016],"length":1,"stats":{"Line":0}},{"line":80,"address":[3654056],"length":1,"stats":{"Line":0}},{"line":81,"address":[3654208,3655711,3654100],"length":1,"stats":{"Line":0}},{"line":82,"address":[3654233],"length":1,"stats":{"Line":0}},{"line":84,"address":[3654276],"length":1,"stats":{"Line":0}},{"line":86,"address":[3654309],"length":1,"stats":{"Line":0}},{"line":89,"address":[3654319],"length":1,"stats":{"Line":0}},{"line":92,"address":[3654370],"length":1,"stats":{"Line":0}},{"line":96,"address":[3654385],"length":1,"stats":{"Line":0}},{"line":98,"address":[3654499,3655744,3656665],"length":1,"stats":{"Line":0}},{"line":99,"address":[3655883,3655769],"length":1,"stats":{"Line":0}},{"line":100,"address":[3655958],"length":1,"stats":{"Line":0}},{"line":102,"address":[3656097,3655974],"length":1,"stats":{"Line":0}},{"line":103,"address":[3656181],"length":1,"stats":{"Line":0}},{"line":106,"address":[3656197,3656320],"length":1,"stats":{"Line":0}},{"line":107,"address":[3656404],"length":1,"stats":{"Line":0}},{"line":110,"address":[3656543,3656420],"length":1,"stats":{"Line":0}},{"line":111,"address":[3656624],"length":1,"stats":{"Line":0}},{"line":116,"address":[3654950,3654783],"length":1,"stats":{"Line":0}},{"line":117,"address":[3654630],"length":1,"stats":{"Line":0}},{"line":118,"address":[3654956,3654902],"length":1,"stats":{"Line":0}},{"line":121,"address":[3654994,3655142],"length":1,"stats":{"Line":0}},{"line":126,"address":[3655405],"length":1,"stats":{"Line":0}},{"line":128,"address":[3655475],"length":1,"stats":{"Line":0}},{"line":129,"address":[3655422],"length":1,"stats":{"Line":0}},{"line":130,"address":[3655471],"length":1,"stats":{"Line":0}},{"line":133,"address":[3655485,3656688,3657346],"length":1,"stats":{"Line":0}},{"line":135,"address":[3656937,3656870,3656713],"length":1,"stats":{"Line":0}},{"line":136,"address":[3657127,3657197,3656953],"length":1,"stats":{"Line":0}},{"line":137,"address":[3657189,3657225],"length":1,"stats":{"Line":0}},{"line":138,"address":[3657341,3657281],"length":1,"stats":{"Line":0}},{"line":142,"address":[3657254,3657304],"length":1,"stats":{"Line":0}},{"line":143,"address":[3657317],"length":1,"stats":{"Line":0}},{"line":152,"address":[3655497],"length":1,"stats":{"Line":0}},{"line":153,"address":[3655596],"length":1,"stats":{"Line":0}},{"line":154,"address":[3655607,3655693],"length":1,"stats":{"Line":0}},{"line":155,"address":[3655655],"length":1,"stats":{"Line":0}},{"line":156,"address":[3655664,3655695],"length":1,"stats":{"Line":0}},{"line":158,"address":[3655625],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":48},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","gemma_egui_state.rs"],"content":"use std::ops::Range;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\n\npub struct GemmaEGuiState {\n    pub display_video: bool,\n    pub display_memory: bool,\n    pub display_registers: bool,\n    pub memory_view: Range\u003ci32\u003e,\n    pub computer: Chip8ComputerManager,\n    pub selected_rom_filename: String\n}\n\nimpl Default for GemmaEGuiState {\n    fn default() -\u003e Self {\n        Self {\n            display_video: true,\n            display_memory: true,\n            display_registers: true,\n            memory_view: 0x00..0x200,\n            computer: Chip8ComputerManager::new(),\n            selected_rom_filename: String::new()\n        }\n    }\n}\n","traces":[{"line":14,"address":[3690467,3690256],"length":1,"stats":{"Line":0}},{"line":20,"address":[3690273],"length":1,"stats":{"Line":0}},{"line":21,"address":[3690295],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":3},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","gemma_egui_support.rs"],"content":"use crate::Chip8Computer;\nuse egui::Rect;\nuse egui::Ui;\nuse egui::Vec2;\nuse egui::{Align, Color32, ComboBox, Pos2};\nuse std::fs::read_dir;\nuse std::path::PathBuf;\n\nconst CELL_WIDTH: f32 = 5.0;\nconst CELL_HEIGHT: f32 = 5.0;\n\npub struct EGuiFileList {}\nimpl EGuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026mut String, ui: \u0026mut Ui) {\n        let working_filename = selected_filename.clone();\n        ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n            //  ui.label(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to Load Path\")));\n            ComboBox::from_label(\"Select ROM\")\n                .selected_text(selected_filename.clone())\n                .show_ui(ui, |ui| {\n                    let mut sorted_options = vec![];\n                    for option in read_dir(root.as_path()).unwrap() {\n                        let to_push = option\n                            .unwrap()\n                            .file_name()\n                            .into_string()\n                            .unwrap_or(String::new());\n                        sorted_options.push(to_push);\n                    }\n\n                    sorted_options.sort();\n                    for item in sorted_options {\n                        // Add each option to the ComboBox\n                        if ui\n                            .selectable_label(selected_filename.eq(\u0026item.as_str()), item.clone())\n                            .clicked()\n                        {\n                            *selected_filename = item;\n                        }\n                    }\n                });\n            // Display the selected option\n        });\n    }\n}\n\npub struct GemmaEguiSupport {}\n\nimpl GemmaEguiSupport {\n    pub fn controls_view(system: \u0026mut Chip8Computer, ui: \u0026mut Ui) {\n        ui.with_layout(egui::Layout::left_to_right(Align::TOP), |ui| {\n            //    ui.checkbox(\u0026mut state.display_memory, \"Display Memory\");\n            //    ui.checkbox(\u0026mut state.display_video, \"Display Video\");\n            //   ui.checkbox(\u0026mut state.display_registers, \"Display Registers\");\n        });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(format!(\n            \"V0-7: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x00),\n            system.registers.peek(0x01),\n            system.registers.peek(0x02),\n            system.registers.peek(0x03),\n            system.registers.peek(0x04),\n            system.registers.peek(0x05),\n            system.registers.peek(0x06),\n            system.registers.peek(0x07)\n        ));\n        ui.label(format!(\n            \"V8-F: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x08),\n            system.registers.peek(0x09),\n            system.registers.peek(0x0A),\n            system.registers.peek(0x0B),\n            system.registers.peek(0x0C),\n            system.registers.peek(0x0D),\n            system.registers.peek(0x0E),\n            system.registers.peek(0x0F)\n        ));\n        ui.label(format!(\n            \"PC: {:04x}\\tI: {:04x}\",\n            system.registers.peek_pc(),\n            system.registers.peek_i()\n        ));\n    }\n\n    pub fn video_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        let (_resp, painter) = ui.allocate_painter(Vec2::new(350.0, 165.0), egui::Sense::hover());\n        for current_row in 0..32 {\n            for current_col in 0..64 {\n                let data_offset = current_row * 64 + current_col;\n                let x_offset = current_col as f32 * CELL_WIDTH;\n                let y_offset = current_row as f32 * CELL_HEIGHT;\n                let origin = Pos2::new(x_offset, y_offset);\n                let colour = if system.video_memory.peek(data_offset) {\n                    Color32::RED\n                } else {\n                    Color32::WHITE\n                };\n                let rect = Rect::from_min_size(origin, Vec2::new(CELL_WIDTH, CELL_HEIGHT));\n                painter.rect_filled(rect, 0.0, colour);\n                // println!(\"Cell {current_col}x{current_row} at {}x{} -\u003e {}\",\n                //          origin.x, origin.y,\n                //          system.video_memory.peek(data_offset));\n            }\n        }\n        //    thread::sleep(Duration::from_secs(1));\n    }\n\n    pub fn memory_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(\"Memory View\");\n\n        for i in (0..=0x200).step_by(16) {\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                for y in 0..16 {\n                    ui.label(format!(\"{:02x}\", system.memory.peek((i + y) as u16)).as_str());\n                }\n            });\n        }\n        ui.label(\"Should have **something** to adjust the 'memory window'\");\n    }\n}\n","traces":[{"line":14,"address":[3683153,3682720],"length":1,"stats":{"Line":0}},{"line":15,"address":[3682750],"length":1,"stats":{"Line":0}},{"line":16,"address":[3666307,3666064,3666339],"length":1,"stats":{"Line":0}},{"line":18,"address":[3666270,3666094,3666204],"length":1,"stats":{"Line":0}},{"line":19,"address":[3666252,3666139,3666320],"length":1,"stats":{"Line":0}},{"line":20,"address":[3666352,3668143,3668571,3666260],"length":1,"stats":{"Line":0}},{"line":21,"address":[3666388],"length":1,"stats":{"Line":0}},{"line":22,"address":[3666445,3668522,3666549,3666947,3666914,3666775],"length":1,"stats":{"Line":0}},{"line":23,"address":[3668329,3668174,3668261],"length":1,"stats":{"Line":0}},{"line":26,"address":[3668268],"length":1,"stats":{"Line":0}},{"line":27,"address":[3668201,3668549,3668284,3668368],"length":1,"stats":{"Line":0}},{"line":28,"address":[3668440],"length":1,"stats":{"Line":0}},{"line":31,"address":[3667189],"length":1,"stats":{"Line":0}},{"line":32,"address":[3667223,3668119,3667463,3667413],"length":1,"stats":{"Line":0}},{"line":34,"address":[3667684,3667862,3668106],"length":1,"stats":{"Line":0}},{"line":35,"address":[3667503,3667613],"length":1,"stats":{"Line":0}},{"line":36,"address":[3667814,3667868],"length":1,"stats":{"Line":0}},{"line":38,"address":[3667925],"length":1,"stats":{"Line":0}},{"line":50,"address":[3683184],"length":1,"stats":{"Line":0}},{"line":51,"address":[3668608],"length":1,"stats":{"Line":0}},{"line":58,"address":[3683424],"length":1,"stats":{"Line":0}},{"line":59,"address":[3683733,3683635,3683684,3683488,3683586,3685525,3683537,3683831,3683782],"length":1,"stats":{"Line":0}},{"line":61,"address":[3683469],"length":1,"stats":{"Line":0}},{"line":62,"address":[3683515],"length":1,"stats":{"Line":0}},{"line":63,"address":[3683564],"length":1,"stats":{"Line":0}},{"line":64,"address":[3683613],"length":1,"stats":{"Line":0}},{"line":65,"address":[3683662],"length":1,"stats":{"Line":0}},{"line":66,"address":[3683711],"length":1,"stats":{"Line":0}},{"line":67,"address":[3683760],"length":1,"stats":{"Line":0}},{"line":68,"address":[3683809],"length":1,"stats":{"Line":0}},{"line":70,"address":[3687619,3685582,3685925,3685631,3685876,3685680,3685729,3685827,3685778],"length":1,"stats":{"Line":0}},{"line":72,"address":[3685560],"length":1,"stats":{"Line":0}},{"line":73,"address":[3685609],"length":1,"stats":{"Line":0}},{"line":74,"address":[3685658],"length":1,"stats":{"Line":0}},{"line":75,"address":[3685707],"length":1,"stats":{"Line":0}},{"line":76,"address":[3685756],"length":1,"stats":{"Line":0}},{"line":77,"address":[3685805],"length":1,"stats":{"Line":0}},{"line":78,"address":[3685854],"length":1,"stats":{"Line":0}},{"line":79,"address":[3685903],"length":1,"stats":{"Line":0}},{"line":81,"address":[3687723,3688254,3687678],"length":1,"stats":{"Line":0}},{"line":83,"address":[3687660],"length":1,"stats":{"Line":0}},{"line":84,"address":[3687705],"length":1,"stats":{"Line":0}},{"line":88,"address":[3688304,3689696],"length":1,"stats":{"Line":0}},{"line":89,"address":[3688359],"length":1,"stats":{"Line":0}},{"line":90,"address":[3688671,3688753,3688857],"length":1,"stats":{"Line":0}},{"line":91,"address":[3688878,3688976],"length":1,"stats":{"Line":0}},{"line":92,"address":[3689260,3689091],"length":1,"stats":{"Line":0}},{"line":93,"address":[3689180],"length":1,"stats":{"Line":0}},{"line":94,"address":[3689214],"length":1,"stats":{"Line":0}},{"line":95,"address":[3689300],"length":1,"stats":{"Line":0}},{"line":96,"address":[3689381,3689336],"length":1,"stats":{"Line":0}},{"line":97,"address":[3689383],"length":1,"stats":{"Line":0}},{"line":99,"address":[3689368],"length":1,"stats":{"Line":0}},{"line":102,"address":[3689610],"length":1,"stats":{"Line":0}},{"line":111,"address":[3689728],"length":1,"stats":{"Line":0}},{"line":112,"address":[3689760],"length":1,"stats":{"Line":0}},{"line":114,"address":[3689794,3690006],"length":1,"stats":{"Line":0}},{"line":115,"address":[3669272,3668624],"length":1,"stats":{"Line":0}},{"line":116,"address":[3668712,3668654],"length":1,"stats":{"Line":0}},{"line":117,"address":[3669132,3668723],"length":1,"stats":{"Line":0}},{"line":121,"address":[3689949],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":61},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","mod.rs"],"content":"pub mod gemma_egui_state;\npub mod gemma_egui_support;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","gemmaimgui.rs"],"content":"use clap::{Parser, Subcommand};\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::path::Path;\nuse std::time::Instant;\nuse std::{default::Default, path::PathBuf};\nuse support::ui_state::ROMPATH_DEFAULT;\nuse support::{emmagui_support::GemmaImguiSupport, ui_state::ImGuiUiState};\n\nmod support;\n\n/// Keypad Mappings for my Linux box\n/// 1 2 3 C\n/// 4 5 6 D\n/// 7 8 9 E\n/// A 0 B F\n\nconst LIN_KEYS: [(u16, u8); 0x10] = [\n    (537, 0x01),\n    (538, 0x02),\n    (539, 0x03),\n    (540, 0x0c),\n    (562, 0x04),\n    (568, 0x05),\n    (550, 0x06),\n    (563, 0x0d),\n    (546, 0x7),\n    (564, 0x8),\n    (549, 0x9),\n    (551, 0xe),\n    (571, 0xa),\n    (569, 0x0),\n    (548, 0xb),\n    (567, 0xf),\n];\n\n#[derive(Parser)]\n#[command(version, about, long_about = None)]\nstruct GemmaImguiCLIOptions {\n    roms_directory: Option\u003cPathBuf\u003e,\n}\n\nfn main() {\n    pretty_env_logger::init();\n\n    let cli_options = GemmaImguiCLIOptions::parse();\n\n    let mut system = Chip8ComputerManager::default();\n    println!(\"GOT A ROMS_DIRECTORY =\u003e [{:?}]\", cli_options.roms_directory);\n    println!(\"{:?}\", std::env::var(\"PWD\"));\n    let mut ui_state = if cli_options.roms_directory.is_none() {\n        ImGuiUiState::new(Some(PathBuf::from(ROMPATH_DEFAULT)))\n    } else {\n        ImGuiUiState::new(cli_options.roms_directory)\n    };\n\n    support::simple_init(file!(), move |_, ui| {\n        let current_time = Instant::now();\n        let mut num_cycles = 0;\n\n        // Key Checks\n        let down_keys = ui.io().keys_down;\n\n        // START DEBUG CODE TO DISPLAY WHAT KEYS WE TRAPPED\n        for (idx, val) in down_keys.iter().enumerate() {\n            if *val {\n                println!(\"{idx} = {val}\");\n            }\n        }\n        // END DEBUG CODE\n\n        for (key_code, key_reg) in LIN_KEYS {\n            if down_keys[key_code as usize] {\n                system.press_key(key_reg);\n                system.wait_for_instruction();\n            } else {\n                // do we need to release it?\n\n                if system.is_key_pressed(key_reg) {\n                    system.release_key(key_reg);\n                }\n            }\n        }\n\n        let target_ms = ui_state.frame_time;\n        let loop_start_time = Instant::now();\n        while Instant::now().duration_since(current_time).as_millis() \u003c target_ms as u128\n            \u0026\u0026 num_cycles \u003c ui_state.target_ips\n        {\n            if system.tick() {\n                num_cycles += 1;\n            }\n        }\n        let cycles_time = Instant::now().duration_since(loop_start_time);\n        if num_cycles \u003e 0 {\n            println!(\n                \"Ran for {}ms and executed {}/{} cycles.\",\n                cycles_time.as_millis(),\n                num_cycles,\n                ui_state.target_ips\n            );\n        }\n        // GUI Parts\n        if ui_state.show_video {\n            GemmaImguiSupport::video_display(system.state(), \u0026ui_state, ui);\n        }\n\n        GemmaImguiSupport::system_controls(\u0026mut system, \u0026mut ui_state, ui);\n\n        if ui_state.show_registers {\n            GemmaImguiSupport::registers_view(system.state(), ui);\n        }\n\n        if ui_state.show_memory {\n            let active_instruction = system.state().registers.peek_pc();\n            GemmaImguiSupport::hex_memory_display(\n                system.state().memory.clone(),\n                (0x100, 0x10),\n                active_instruction as i16,\n                ui,\n            );\n        }\n\n        if ui_state.show_keypad {\n            GemmaImguiSupport::keypad_display(system.state(), ui);\n        }\n    });\n}\n","traces":[{"line":42,"address":[4455308,4454496,4455336],"length":1,"stats":{"Line":0}},{"line":43,"address":[4454503],"length":1,"stats":{"Line":0}},{"line":45,"address":[4454528],"length":1,"stats":{"Line":0}},{"line":47,"address":[4454546],"length":1,"stats":{"Line":0}},{"line":48,"address":[4454603,4454669],"length":1,"stats":{"Line":0}},{"line":49,"address":[4454738],"length":1,"stats":{"Line":0}},{"line":50,"address":[4454929],"length":1,"stats":{"Line":0}},{"line":51,"address":[4455007,4455201],"length":1,"stats":{"Line":0}},{"line":53,"address":[4454950,4455041],"length":1,"stats":{"Line":0}},{"line":56,"address":[4346125,4344512],"length":1,"stats":{"Line":0}},{"line":57,"address":[4344553],"length":1,"stats":{"Line":0}},{"line":58,"address":[4344588],"length":1,"stats":{"Line":0}},{"line":61,"address":[4344596],"length":1,"stats":{"Line":0}},{"line":64,"address":[4344627,4344862],"length":1,"stats":{"Line":0}},{"line":65,"address":[4344894],"length":1,"stats":{"Line":0}},{"line":66,"address":[4346147],"length":1,"stats":{"Line":0}},{"line":71,"address":[4344788,4344981,4345113,4344924],"length":1,"stats":{"Line":0}},{"line":72,"address":[4345147,4345974],"length":1,"stats":{"Line":0}},{"line":73,"address":[4346049],"length":1,"stats":{"Line":0}},{"line":74,"address":[4346109],"length":1,"stats":{"Line":0}},{"line":78,"address":[4346022,4346067],"length":1,"stats":{"Line":0}},{"line":79,"address":[4346085],"length":1,"stats":{"Line":0}},{"line":84,"address":[4345064],"length":1,"stats":{"Line":0}},{"line":85,"address":[4345081],"length":1,"stats":{"Line":0}},{"line":86,"address":[4345172],"length":1,"stats":{"Line":0}},{"line":87,"address":[4345350],"length":1,"stats":{"Line":0}},{"line":89,"address":[4345367,4345948],"length":1,"stats":{"Line":0}},{"line":90,"address":[4345953,4345925],"length":1,"stats":{"Line":0}},{"line":93,"address":[4345272],"length":1,"stats":{"Line":0}},{"line":94,"address":[4345336],"length":1,"stats":{"Line":0}},{"line":95,"address":[4345438],"length":1,"stats":{"Line":0}},{"line":97,"address":[4345417],"length":1,"stats":{"Line":0}},{"line":103,"address":[4345391],"length":1,"stats":{"Line":0}},{"line":104,"address":[4345698],"length":1,"stats":{"Line":0}},{"line":107,"address":[4345662],"length":1,"stats":{"Line":0}},{"line":109,"address":[4345682],"length":1,"stats":{"Line":0}},{"line":110,"address":[4345752],"length":1,"stats":{"Line":0}},{"line":113,"address":[4345736],"length":1,"stats":{"Line":0}},{"line":114,"address":[4345794],"length":1,"stats":{"Line":0}},{"line":115,"address":[4345863],"length":1,"stats":{"Line":0}},{"line":116,"address":[4345831],"length":1,"stats":{"Line":0}},{"line":123,"address":[4345778],"length":1,"stats":{"Line":0}},{"line":124,"address":[4345904],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":43},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","emmagui_support.rs"],"content":"use crate::support::gui_file_list::GuiFileList;\nuse crate::ImGuiUiState;\nuse dimensioned::ucum::f32consts::CUP_M;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::computer_manager::ManagerDumpables::{Keyboard, Registers, Video};\nuse gemma::chip8::quirk_modes::QuirkMode::{self, *};\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::constants::CHIP8_KEYBOARD;\nuse imgui::{CollapsingHeader, Condition, ImColor32, Ui};\nuse log::debug;\nuse std::fs::File;\nuse std::io::Read;\nuse std::path::{Path, PathBuf};\n\nconst ROM_ROOT: \u0026str = \"resources/roms\";\n\npub struct GemmaImguiSupport {}\n\nconst CELL_WIDTH: i32 = 5i32;\nconst CELL_HEIGHT: i32 = 5i32;\n\nimpl GemmaImguiSupport {\n    pub fn keypad_display(system_to_display: \u0026Chip8Computer, ui: \u0026Ui) {\n        ui.window(\"Keypad\".to_string())\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                for row in CHIP8_KEYBOARD {\n                    for key in row {\n                        let label = if system_to_display.keypad.pressed(key) {\n                            format!(\"*{:1x}*\", key)\n                        } else {\n                            format!(\"{:1x}\", key)\n                        };\n                        ui.text(\u0026label);\n                        ui.same_line();\n                    }\n                    ui.text(\"\");\n                }\n            });\n    }\n\n    pub fn video_display(system_to_control: \u0026Chip8Computer, gui_state: \u0026ImGuiUiState, ui: \u0026Ui) {\n        // draw area size\n        let (width, height) = system_to_control.video_memory.get_resolution();\n        let draw_area_size = ui.io().display_size;\n        //  println!(\"DRAW_AREA_SIZE = {}x{}\", draw_area_size[0], draw_area_size[1]);\n        let cell_width = ((draw_area_size[0] as i32 / width) * 6) / 10;\n        let cell_height = ((draw_area_size[1] as i32 / height) * 6) / 10;\n\n        let origin = ui.cursor_pos();\n        let fg = ui.get_foreground_draw_list();\n        if system_to_control.video_memory.is_highres() {\n            // ui.text(\"High Def Video here\");\n            for current_row in 0..=height {\n                let y_offset = origin[1] as i32 + (current_row * cell_height);\n                for current_column in 0..=width {\n                    let x_offset = origin[0] as i32 + (current_column * cell_width);\n                    let current_origin = [x_offset as f32, y_offset as f32];\n                    let current_limit = [\n                        (x_offset + cell_width) as f32,\n                        (y_offset + cell_height) as f32,\n                    ];\n                    let memory_offset = (current_row * width + current_column) as u16;\n                    let to_render = system_to_control.video_memory.peek(memory_offset);\n                    let color: ImColor32 = if to_render {\n                        gui_state.on_colour\n                    } else {\n                        gui_state.off_colour\n                    };\n                    fg.add_rect_filled_multicolor(\n                        current_origin,\n                        current_limit,\n                        color,\n                        color,\n                        color,\n                        color,\n                    );\n                }\n            }\n        } else {\n            for current_row in 0..height {\n                let y_offset = origin[1] as i32 + (current_row * cell_height);\n                for current_column in 0..width {\n                    let x_offset = origin[0] as i32 + (current_column * cell_width);\n                    let current_origin = [x_offset as f32, y_offset as f32];\n                    let current_limit = [\n                        (x_offset + cell_width) as f32,\n                        (y_offset + cell_height) as f32,\n                    ];\n                    let memory_offset = (current_row * width + current_column) as u16;\n                    let to_render = system_to_control.video_memory.peek(memory_offset);\n                    let color: ImColor32 = if to_render {\n                        gui_state.on_colour\n                    } else {\n                        gui_state.off_colour\n                    };\n                    fg.add_rect_filled_multicolor(\n                        current_origin,\n                        current_limit,\n                        color,\n                        color,\n                        color,\n                        color,\n                    );\n                }\n            }\n        }\n    }\n    pub fn system_controls(\n        system_to_control: \u0026mut Chip8ComputerManager,\n        gui_state: \u0026mut ImGuiUiState,\n        ui: \u0026Ui,\n    ) {\n        // let mut state: Chip8Computer = system_to_control;\n        ui.window(\"!!!! CONTROLS !!!!\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                /* System Step Counter */\n                ui.text(format!(\"Step {:04x}\", system_to_control.num_cycles()).as_str());\n                ui.text(format!(\"Mode {}\", system_to_control.quirks_mode()));\n                /* ROM Lister */\n                if CollapsingHeader::new(\"Roms\").build(ui) {\n                    let new_filename = GuiFileList::display_path(\n                        gui_state.roms_root_path.clone(),\n                        \u0026gui_state.filename_to_load,\n                        ui,\n                    );\n                    if !new_filename.is_empty() {\n                        if new_filename != gui_state.filename_to_load {\n                            debug!(\"NEW FILENAME SELECTED -\u003e {new_filename}\");\n                            gui_state.filename_to_load = new_filename;\n                        }\n                        if ui.button(\"Load Program\") {\n                            let mut buffer: Vec\u003cu8\u003e = Vec::new();\n                            let full_name = format!(\n                                \"{}/{}\",\n                                gui_state\n                                    .roms_root_path\n                                    .clone()\n                                    .as_os_str()\n                                    .to_string_lossy(),\n                                gui_state.filename_to_load.to_string()\n                            );\n                            debug!(\"PREPARING TO LOAD {}\", full_name);\n\n                            let input_file = File::open(Path::new(\u0026full_name));\n                            input_file\n                                .unwrap()\n                                .read_to_end(\u0026mut buffer)\n                                .expect(\"Unable to read rom.\");\n                            system_to_control.load_new_program_to_system_memory(buffer);\n                        }\n                    }\n                }\n\n                if CollapsingHeader::new(\"Controls\").build(ui) {\n                    // if the system has no program loaded hide the buttons.\n                    let bytes: [u8; 2] = [\n                        system_to_control.state().memory.peek(0x200),\n                        system_to_control.state().memory.peek(0x201),\n                    ];\n                    let show_buttons = bytes[0] != 0 || bytes[1] == 0xe0;\n\n                    if show_buttons {\n                        if ui.button(\"Step\") {\n                            system_to_control.step();\n                        };\n                        ui.same_line();\n                        if ui.button(\"Run\") {\n                            system_to_control.start();\n                        }\n                    }\n                    ui.same_line();\n                    if ui.button(\"Stop\") {\n                        system_to_control.stop();\n                    }\n                    ui.same_line();\n                    if ui.button(\"Reset\") {\n                        system_to_control.reset(system_to_control.quirks_mode());\n                    }\n                    if ui.button(\"Dump Video Memory\") {\n                        println!(\"{}\", system_to_control.dump_to_string(Video));\n                    }\n                    ui.same_line();\n                    if ui.button(\"Dump Keypad State\") {\n                        debug!(\"{}\", system_to_control.dump_to_string(Keyboard));\n                    }\n                    ui.same_line();\n                    if ui.button(\"Dump Registers\") {\n                        debug!(\"{}\", system_to_control.dump_to_string(Registers));\n                    }\n                }\n\n                if CollapsingHeader::new(\"Options\").build(ui) {\n                    ui.checkbox(\"Show Memory\", \u0026mut gui_state.show_memory);\n                    ui.same_line();\n                    ui.checkbox(\"Show Video\", \u0026mut gui_state.show_video);\n                    ui.same_line();\n                    ui.checkbox(\"Show Registers\", \u0026mut gui_state.show_registers);\n                    ui.same_line();\n                    ui.checkbox(\"Show Keypad\", \u0026mut gui_state.show_keypad);\n                    ui.input_int(\"Target IPS\", \u0026mut gui_state.target_ips)\n                        .build();\n                };\n\n                let selectors = [Chip8, SChipModern, XOChip];\n                for current_selector in selectors {\n                    let mut working_selector =\n                        ui.selectable_config(current_selector.clone().to_string());\n                    match system_to_control.quirks_mode() {\n                        Chip8 =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                        SChipModern =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                        XOChip =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                    }\n                    if working_selector.build() {\n                        system_to_control.reset(current_selector);\n                        println!(\"CLICK ON {}\", \u0026current_selector);\n                    }\n                }\n            });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026Ui) {\n        ui.window(\"Registers\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                ui.text(\"Registers\");\n                for i in 1..0x10 {\n                    ui.text(format!(\"V{:X}: {}\", i, system.registers.peek(i)));\n                    if i != 7 {\n                        ui.same_line();\n                    }\n                }\n                ui.text(\"\");\n                ui.text(format!(\"I: {:03X}\", system.registers.peek_i()));\n                ui.same_line();\n                ui.text(format!(\"ST: {:02X}\", system.sound_timer.current()));\n                ui.same_line();\n                ui.text(format!(\"DT: {:02X}\", system.delay_timer.current()));\n                ui.text(format!(\"PC: {:02X}\", system.registers.peek_pc()));\n                ui.text(format!(\"SP: {:02X}\", system.stack.depth()));\n            });\n    }\n\n    pub fn hex_memory_display(\n        bytes: Chip8SystemMemory,\n        position: (i32, i32),\n        active: i16,\n        ui: \u0026Ui,\n    ) {\n        let rows = position.0;\n        let cols = position.1;\n        ui.window(\"System Memory\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                let mut current_x_hover: i32 = 0;\n                let mut current_y_hover: i32 = 0;\n                // display a block of data\n                for current_row in 0..rows {\n                    ui.text(format!(\"{:02x}\", current_row * cols));\n                    ui.same_line();\n                    for current_column in 0..cols {\n                        let data_offset = current_row * cols + current_column;\n                        let formatted_text = format!(\"{:02x}\", bytes.peek(data_offset as u16));\n                        let text_location = ui.cursor_screen_pos();\n                        let text_size = ui.calc_text_size(formatted_text.clone());\n                        let bounding_box = imgui::sys::ImVec2 {\n                            x: text_location[0] + text_size[0],\n                            y: text_location[1] + text_size[1],\n                        };\n\n                        let hovering = ui.is_mouse_hovering_rect(\n                            text_location,\n                            [bounding_box.x, bounding_box.y],\n                        );\n                        let is_active = data_offset == active as i32;\n\n                        ui.text_colored(\n                            if hovering {\n                                [0., 1., 1., 1.]\n                            } else if is_active {\n                                [1., 0., 1., 1.]\n                            } else {\n                                [1., 1., 0., 1.]\n                            },\n                            formatted_text.clone(),\n                        );\n\n                        // if we are hovering show that at the bottom...\n                        if hovering {\n                            // Optionally change the text color to indicate it's interactable\n                            current_x_hover = current_column;\n                            current_y_hover = current_row;\n\n                            // Check if the left mouse button is clicked while hovering over the text\n                            if ui.is_mouse_clicked(imgui::MouseButton::Left) {\n                                debug!(\n                                    \"Offset: [{}] [0x{:02x}] Value: [{}]\",\n                                    data_offset,\n                                    data_offset,\n                                    formatted_text.clone()\n                                );\n                                // Perform any action here, e.g., call a function, trigger an event, etc.\n                            }\n                        }\n\n                        // are we on the same line?\n                        if current_column != (cols - 1) {\n                            ui.same_line();\n                        }\n                    }\n                }\n                ui.text(format!(\n                    \"Offset 0x{:03x}\",\n                    current_x_hover * cols + current_y_hover\n                ));\n            });\n    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std::ffi::OsString;\nuse std::fs::read_dir;\nuse std::path::PathBuf;\nuse imgui::Ui;\nuse log::debug;\n\npub struct GuiFileList {}\n\nimpl GuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026String, ui: \u0026Ui) -\u003e String {\n        let mut working_filename = selected_filename.clone();\n        ui.text(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to parse path\")));\n\n        let mut known_files: Vec\u003cOsString\u003e = vec![];\n\n     //   println!(\"STARTING AT {:?}\", std::env::current_dir());\n        for entry in read_dir(root.as_path()).unwrap() {\n            known_files.push(entry.unwrap().file_name());\n        }\n\n        known_files.sort();\n\n        for (index, entry) in known_files.iter().enumerate() {\n            let mut working_select = ui.selectable_config(entry.clone().into_string().unwrap().to_string());\n            if *entry.to_str().unwrap() == *selected_filename.as_str() {\n                working_select = working_select.selected(true);\n            }\n            if working_select.build() {\n                debug!(\"SELECTED {index} / {entry:?}\");\n                working_filename = entry.clone().into_string().unwrap();\n            };\n        }\n        working_filename\n    }\n}\n","traces":[{"line":10,"address":[3799758,3799608,3796000],"length":1,"stats":{"Line":0}},{"line":11,"address":[3796074,3796161],"length":1,"stats":{"Line":0}},{"line":12,"address":[3796520,3796169,3796246],"length":1,"stats":{"Line":0}},{"line":14,"address":[3796527],"length":1,"stats":{"Line":0}},{"line":17,"address":[3796709,3797112,3797141,3796554,3796953],"length":1,"stats":{"Line":0}},{"line":18,"address":[3799617],"length":1,"stats":{"Line":0}},{"line":21,"address":[3797389],"length":1,"stats":{"Line":0}},{"line":23,"address":[3797769,3797435,3798765],"length":1,"stats":{"Line":0}},{"line":24,"address":[3797878,3798126,3797801],"length":1,"stats":{"Line":0}},{"line":25,"address":[3798491,3798742,3798302],"length":1,"stats":{"Line":0}},{"line":26,"address":[3798624],"length":1,"stats":{"Line":0}},{"line":28,"address":[3799585,3798751,3798549],"length":1,"stats":{"Line":0}},{"line":29,"address":[3798890,3798770],"length":1,"stats":{"Line":0}},{"line":30,"address":[3799198,3798822,3799427],"length":1,"stats":{"Line":0}},{"line":33,"address":[3797719],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":15},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","mod.rs"],"content":"use glium::glutin::surface::WindowSurface;\nuse glium::{Display, Surface};\nuse imgui::{Context, FontConfig, FontGlyphRanges, FontSource, Ui};\nuse imgui_glium_renderer::Renderer;\nuse imgui_winit_support::winit::event::{Event, WindowEvent};\nuse imgui_winit_support::winit::event_loop::EventLoop;\nuse imgui_winit_support::winit::window::WindowBuilder;\nuse imgui_winit_support::{HiDpiMode, WinitPlatform};\nuse std::path::Path;\nuse std::time::Instant;\n\npub mod ui_state;\npub mod emmagui_support;\nmod gui_file_list;\n\nuse copypasta::{ClipboardContext, ClipboardProvider};\nuse imgui::ClipboardBackend;\n\npub struct ClipboardSupport(pub ClipboardContext);\n\npub fn clipboard_init() -\u003e Option\u003cClipboardSupport\u003e {\n    ClipboardContext::new().ok().map(ClipboardSupport)\n}\n\nimpl ClipboardBackend for ClipboardSupport {\n    fn get(\u0026mut self) -\u003e Option\u003cString\u003e {\n        self.0.get_contents().ok()\n    }\n    fn set(\u0026mut self, text: \u0026str) {\n        // ignore errors?\n        let _ = self.0.set_contents(text.to_owned());\n    }\n}\n\npub const FONT_SIZE: f32 = 13.0;\n\n#[allow(dead_code)] // annoyingly, RA yells that this is unusued\npub fn simple_init\u003cF: FnMut(\u0026mut bool, \u0026mut Ui) + 'static\u003e(title: \u0026str, run_ui: F) {\n    init_with_startup(title, |_, _, _| {}, run_ui);\n}\n\npub fn init_with_startup\u003cFInit, FUi\u003e(title: \u0026str, mut startup: FInit, mut run_ui: FUi)\nwhere\n    FInit: FnMut(\u0026mut Context, \u0026mut Renderer, \u0026Display\u003cWindowSurface\u003e) + 'static,\n    FUi: FnMut(\u0026mut bool, \u0026mut Ui) + 'static,\n{\n    let mut imgui = create_context();\n\n    let title = match Path::new(\u0026title).file_name() {\n        Some(file_name) =\u003e file_name.to_str().unwrap(),\n        None =\u003e title,\n    };\n    let event_loop = EventLoop::new().expect(\"Failed to create EventLoop\");\n\n    let builder = WindowBuilder::new()\n        .with_maximized(true)\n        .with_title(title);\n      //  .with_inner_size(LogicalSize::new(1024, 768));\n    let (window, display) = glium::backend::glutin::SimpleWindowBuilder::new()\n        .set_window_builder(builder)\n        .build(\u0026event_loop);\n    let mut renderer = Renderer::init(\u0026mut imgui, \u0026display).expect(\"Failed to initialize renderer\");\n\n    if let Some(backend) = clipboard_init() {\n        imgui.set_clipboard_backend(backend);\n    } else {\n        eprintln!(\"Failed to initialize clipboard\");\n    }\n\n    let mut platform = WinitPlatform::init(\u0026mut imgui);\n    {\n        let dpi_mode = if let Ok(factor) = std::env::var(\"IMGUI_EXAMPLE_FORCE_DPI_FACTOR\") {\n            // Allow forcing of HiDPI factor for debugging purposes\n            match factor.parse::\u003cf64\u003e() {\n                Ok(f) =\u003e HiDpiMode::Locked(f),\n                Err(e) =\u003e panic!(\"Invalid scaling factor: {}\", e),\n            }\n        } else {\n            HiDpiMode::Default\n        };\n\n        platform.attach_window(imgui.io_mut(), \u0026window, dpi_mode);\n    }\n\n    let mut last_frame = Instant::now();\n\n    startup(\u0026mut imgui, \u0026mut renderer, \u0026display);\n\n    event_loop\n        .run(move |event, window_target| match event {\n            Event::NewEvents(_) =\u003e {\n                let now = Instant::now();\n                imgui.io_mut().update_delta_time(now - last_frame);\n                last_frame = now;\n            }\n            Event::AboutToWait =\u003e {\n                platform\n                    .prepare_frame(imgui.io_mut(), \u0026window)\n                    .expect(\"Failed to prepare frame\");\n                window.request_redraw();\n            }\n            Event::WindowEvent {\n                event: WindowEvent::RedrawRequested,\n                ..\n            } =\u003e {\n                let ui = imgui.frame();\n\n                let mut run = true;\n                run_ui(\u0026mut run, ui);\n                if !run {\n                    window_target.exit();\n                }\n\n                let mut target = display.draw();\n                target.clear_color_srgb(1.0, 1.0, 1.0, 1.0);\n                platform.prepare_render(ui, \u0026window);\n                let draw_data = imgui.render();\n                renderer\n                    .render(\u0026mut target, draw_data)\n                    .expect(\"Rendering failed\");\n                target.finish().expect(\"Failed to swap buffers\");\n            }\n            Event::WindowEvent {\n                event: WindowEvent::Resized(new_size),\n                ..\n            } =\u003e {\n                if new_size.width \u003e 0 \u0026\u0026 new_size.height \u003e 0 {\n                    display.resize((new_size.width, new_size.height));\n                }\n                platform.handle_event(imgui.io_mut(), \u0026window, \u0026event);\n            }\n            Event::WindowEvent {\n                event: WindowEvent::CloseRequested,\n                ..\n            } =\u003e window_target.exit(),\n            event =\u003e {\n                platform.handle_event(imgui.io_mut(), \u0026window, \u0026event);\n            }\n        })\n        .expect(\"EventLoop error\");\n}\n\n/// Creates the imgui context\npub fn create_context() -\u003e imgui::Context {\n    let mut imgui = Context::create();\n    // Fixed font size. Note imgui_winit_support uses \"logical\n    // pixels\", which are physical pixels scaled by the devices\n    // scaling factor. Meaning, 13.0 pixels should look the same size\n    // on two different screens, and thus we do not need to scale this\n    // value (as the scaling is handled by winit)\n    imgui.fonts().add_font(\u0026[\n        FontSource::TtfData {\n            data: include_bytes!(\"../../../../resources/Roboto-Regular.ttf\"),\n            size_pixels: FONT_SIZE,\n            config: Some(FontConfig {\n                // As imgui-glium-renderer isn't gamma-correct with\n                // it's font rendering, we apply an arbitrary\n                // multiplier to make the font a bit \"heavier\". With\n                // default imgui-glow-renderer this is unnecessary.\n                rasterizer_multiply: 1.5,\n                // Oversampling font helps improve text rendering at\n                // expense of larger font atlas texture.\n                oversample_h: 4,\n                oversample_v: 4,\n                ..FontConfig::default()\n            }),\n        },\n        FontSource::TtfData {\n            data: include_bytes!(\"../../../../resources/mplus-1p-regular.ttf\"),\n            size_pixels: FONT_SIZE,\n            config: Some(FontConfig {\n                // Oversampling font helps improve text rendering at\n                // expense of larger font atlas texture.\n                oversample_h: 4,\n                oversample_v: 4,\n                // Range of glyphs to rasterize\n                glyph_ranges: FontGlyphRanges::japanese(),\n                ..FontConfig::default()\n            }),\n        },\n    ]);\n    imgui.set_ini_filename(None);\n\n    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imgui::ImColor32;\nuse std::path::PathBuf;\nuse std::time::Instant;\n\npub const ROMPATH_DEFAULT: \u0026str = \"resources/roms\";\n\npub struct ImGuiUiState {\n    pub show_registers: bool,\n    pub show_memory: bool,\n    pub show_video: bool,\n    pub show_keypad: bool,\n    pub filename_to_load: String,\n    pub on_colour: ImColor32,\n    pub off_colour: ImColor32,\n    pub is_running: bool,\n    pub frame_time: u32,\n    pub last_frame_instant: Instant,\n    pub target_ips: i32,\n    pub roms_root_path: PathBuf\n}\n\nimpl Clone for ImGuiUiState {\n    fn clone(\u0026self) -\u003e Self {\n        ImGuiUiState {\n            show_registers: self.show_registers,\n            show_memory: self.show_memory,\n            show_video: self.show_video,\n            show_keypad: self.show_keypad,\n            filename_to_load: self.filename_to_load.to_string(),\n            on_colour: self.on_colour,\n            off_colour: self.off_colour,\n            is_running: self.is_running,\n            frame_time: self.frame_time,\n            last_frame_instant: self.last_frame_instant,\n            target_ips: self.target_ips,\n            roms_root_path: self.roms_root_path.to_owned()\n        }\n    }\n}\n\nimpl Default for ImGuiUiState {\n    fn default() -\u003e Self {\n        ImGuiUiState {\n            show_registers: false,\n            show_memory: false,\n            show_video: true,\n            show_keypad: true,\n            filename_to_load: String::new(),\n            on_colour: ImColor32::from_rgb(0xff, 0xff, 0x00),\n            off_colour: ImColor32::from_rgb(0x00, 0xff, 0xff),\n            is_running: false,\n            frame_time: 16,\n            last_frame_instant: Instant::now(),\n            target_ips: 200000,\n            roms_root_path: PathBuf::from(ROMPATH_DEFAULT)\n        }\n    }\n}\n\nimpl ImGuiUiState {\n    pub fn new(rom_path: Option\u003cPathBuf\u003e) -\u003e ImGuiUiState {\n        let unwrapped = rom_path.clone().unwrap_or(PathBuf::from(ROMPATH_DEFAULT));\n\n        println!(\"UNWRAPPED =\u003e [{:?}]\", unwrapped);\n\n        ImGuiUiState {\n            roms_root_path: rom_path.unwrap_or(PathBuf::from(ROMPATH_DEFAULT)),\n            ..Default::default()\n        }\n    }\n}\n","traces":[{"line":23,"address":[4275344,4275712],"length":1,"stats":{"Line":0}},{"line":25,"address":[4275376],"length":1,"stats":{"Line":0}},{"line":26,"address":[4275383],"length":1,"stats":{"Line":0}},{"line":27,"address":[4275390],"length":1,"stats":{"Line":0}},{"line":28,"address":[4275397],"length":1,"stats":{"Line":0}},{"line":29,"address":[4275409],"length":1,"stats":{"Line":0}},{"line":30,"address":[4275419],"length":1,"stats":{"Line":0}},{"line":31,"address":[4275426],"length":1,"stats":{"Line":0}},{"line":32,"address":[4275433],"length":1,"stats":{"Line":0}},{"line":33,"address":[4275440],"length":1,"stats":{"Line":0}},{"line":34,"address":[4275447],"length":1,"stats":{"Line":0}},{"line":35,"address":[4275463],"length":1,"stats":{"Line":0}},{"line":36,"address":[4275470],"length":1,"stats":{"Line":0}},{"line":42,"address":[4275744,4276041],"length":1,"stats":{"Line":0}},{"line":48,"address":[4275763],"length":1,"stats":{"Line":0}},{"line":49,"address":[4275775],"length":1,"stats":{"Line":0}},{"line":50,"address":[4275830],"length":1,"stats":{"Line":0}},{"line":53,"address":[4275843],"length":1,"stats":{"Line":0}},{"line":55,"address":[4275880],"length":1,"stats":{"Line":0}},{"line":61,"address":[4276064,4276902,4276952],"length":1,"stats":{"Line":0}},{"line":62,"address":[4276085,4276933,4276174],"length":1,"stats":{"Line":0}},{"line":64,"address":[4276299,4276347],"length":1,"stats":{"Line":0}},{"line":67,"address":[4276911,4276414],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":23},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmasdl2","src","bin","gemmasdl2.rs"],"content":"mod support;\nuse crate::support::gemma_egui_support::GemmaEguiSupport;\nuse anyhow::Context;\nuse egui::TextBuffer;\nuse egui_glow::glow::{HasContext, COLOR_BUFFER_BIT};\nuse egui_sdl2_platform::sdl2;\nuse gemma::chip8::computer::Chip8Computer;\nuse sdl2::event::{Event, WindowEvent};\nuse std::{sync::Arc, time::Instant};\nuse support::timestep::TimeStep;\n\nconst SCREEN_WIDTH: u32 = 800;\nconst SCREEN_HEIGHT: u32 = 480;\n\nasync fn run() -\u003e anyhow::Result\u003cString\u003e {\n    // Initialize SDL2 and video subsystem\n    let sdl = sdl2::init().map_err(|e| anyhow::anyhow!(\"Failed to create SDL context: {}\", e))?;\n    let mut video = sdl\n        .video()\n        .map_err(|e| anyhow::anyhow!(\"Failed to initialize SDL video subsystem: {}\", e))?;\n\n    // Create SDL2 window and OpenGL context\n    let window = video\n        .window(\"Window\", SCREEN_WIDTH, SCREEN_HEIGHT)\n        .opengl()\n        .position_centered()\n        .build()?;\n    let _gl_context = window\n        .gl_create_context()\n        .expect(\"Failed to create GL context\");\n\n    // Load OpenGL functions\n    let gl = unsafe {\n        egui_glow::painter::Context::from_loader_function(|name| {\n            video.gl_get_proc_address(name) as *const _\n        })\n    };\n    let mut painter = egui_glow::Painter::new(Arc::new(gl), \"\", None)?;\n\n    // Setup Egui and SDL2 platform\n    let mut platform = egui_sdl2_platform::Platform::new(window.size())?;\n    let mut event_pump = sdl\n        .event_pump()\n        .map_err(|e| anyhow::anyhow!(\"Failed to get SDL event pump: {}\", e))?;\n\n    // Initial settings\n    let color = [0.0, 0.0, 0.0, 1.0]; // Background color\n    let start_time = Instant::now();\n    let mut timestep = TimeStep::new();\n\n    let mut computer = Chip8Computer::new();\n    let mut is_running: bool = false;\n    computer.load_bytes_to_memory(0x200, \u0026std::fs::read(\"resources/roms/3-corax+.ch8\")?);\n\n    // Main loop\n    'main: loop {\n        // Update the Egui platform with the current time\n        platform.update_time(start_time.elapsed().as_secs_f64());\n\n        // Begin Egui frame\n        let ctx = platform.context();\n\n        if is_running {\n            computer.step_system();\n        }\n\n        egui::Window::new(\"Hello, world!\").show(\u0026ctx, |ui| {\n            GemmaEguiSupport::video_view(\u0026computer, ui);\n            GemmaEguiSupport::memory_view(\u0026computer, ui);\n            GemmaEguiSupport::registers_view(\u0026computer, ui);\n        });\n\n        // Process Egui frame\n        let full_output = platform.end_frame(\u0026mut video)?;\n        let paint_jobs = platform.tessellate(\u0026full_output);\n\n        // Clear the screen with the current color\n        unsafe {\n            painter.gl().clear_color(color[0], color[1], color[2], 1.0);\n            painter.gl().clear(COLOR_BUFFER_BIT);\n        }\n\n        // Paint Egui outputs and update textures\n        let size = window.size();\n        painter.paint_and_update_textures(\n            [size.0, size.1],\n            1.0,\n            paint_jobs.as_slice(),\n            \u0026full_output.textures_delta,\n        );\n        window.gl_swap_window();\n\n        // Run the timestep logic\n        timestep.run_this(|_| {});\n\n        // Handle SDL2 events\n        for event in event_pump.poll_iter() {\n            match event {\n                Event::Quit { .. }\n                | Event::KeyDown {\n                    keycode: Some(sdl2::keyboard::Keycode::Escape),\n                    ..\n                } =\u003e break 'main,\n                Event::Window {\n                    window_id,\n                    win_event,\n                    ..\n                } if window_id == window.id() =\u003e {\n                    if let WindowEvent::Close = win_event {\n                        break 'main;\n                    }\n                }\n                Event::KeyUp {\n                    keycode: Some(sdl2::keyboard::Keycode::F3),\n                    ..\n                } =\u003e {\n                    println!(\"USER PRESSED F3 -\u003e running\");\n                    is_running = true;\n                }\n                Event::KeyUp {\n                    keycode: Some(sdl2::keyboard::Keycode::F4),\n                    ..\n                } =\u003e {\n                    println!(\"USER PRESSED F4 -\u003e stopping\");\n                    is_running = false;\n                }\n                Event::KeyDown {\n                    keycode: Some(sdl2::keyboard::Keycode::F5),\n                    ..\n                } =\u003e {\n                    println!(\"USER PRESSED F5 -\u003e Step\");\n                    computer.step_system();\n                }\n                Event::KeyDown {\n                    keycode: Some(sdl2::keyboard::Keycode::F6),\n                    ..\n                } =\u003e {\n                    println!(\"USER PRESSED F6 -\u003e RESET\");\n                    computer.reset(computer.quirk_mode.clone());\n                }\n                Event::ControllerButtonDown { which, .. } =\u003e {\n                    println!(\"PLAYER {which} DOWN\");\n                }\n                Event::JoyButtonDown { button_idx, .. } =\u003e {\n                    println!(\"JoyButtonDown {}\", button_idx);\n                }\n                Event::JoyAxisMotion {\n                    which, axis_idx, ..\n                } =\u003e {\n                    println!(\"JoyAxismotion {which} {axis_idx}\");\n                }\n                _ =\u003e platform.handle_event(\u0026event, \u0026sdl, \u0026video),\n            }\n        }\n\n        // Optionally log the frame rate\n        if let Some(fps) = timestep.frame_rate() {\n            println!(\"{:?} fps\", fps);\n        }\n\n        let num_js = sdl.joystick().unwrap().num_joysticks().unwrap();\n        println!(\"NUM JS = {num_js}\");\n    }\n\n    Ok((\"\").parse()?)\n}\n\nfn main() -\u003e anyhow::Result\u003c()\u003e {\n    pollster::block_on(run())?;\n    Ok(())\n}\n","traces":[{"line":15,"address":[907104,907230,913940,911746,907173],"length":1,"stats":{"Line":0}},{"line":17,"address":[907412,913935,907306,913984,907223,914147,913999],"length":1,"stats":{"Line":0}},{"line":18,"address":[913933,907684,907513,907405],"length":1,"stats":{"Line":0}},{"line":20,"address":[914239,914387,914224,907668],"length":1,"stats":{"Line":0}},{"line":23,"address":[907753,907617,907829,908008],"length":1,"stats":{"Line":0}},{"line":28,"address":[908085],"length":1,"stats":{"Line":0}},{"line":34,"address":[914464,908186],"length":1,"stats":{"Line":0}},{"line":35,"address":[914482],"length":1,"stats":{"Line":0}},{"line":38,"address":[913852,908245,908490],"length":1,"stats":{"Line":0}},{"line":41,"address":[913831,908792,908613,908457],"length":1,"stats":{"Line":0}},{"line":42,"address":[913810,909083,908893,908785],"length":1,"stats":{"Line":0}},{"line":44,"address":[914496,909067,914659,914511],"length":1,"stats":{"Line":0}},{"line":47,"address":[908997],"length":1,"stats":{"Line":0}},{"line":48,"address":[909167,909041],"length":1,"stats":{"Line":0}},{"line":49,"address":[909190],"length":1,"stats":{"Line":0}},{"line":51,"address":[909197],"length":1,"stats":{"Line":0}},{"line":52,"address":[909216],"length":1,"stats":{"Line":0}},{"line":53,"address":[909224,909311,913770],"length":1,"stats":{"Line":0}},{"line":58,"address":[909553],"length":1,"stats":{"Line":0}},{"line":61,"address":[909669],"length":1,"stats":{"Line":0}},{"line":63,"address":[909712],"length":1,"stats":{"Line":0}},{"line":64,"address":[909812,909749],"length":1,"stats":{"Line":0}},{"line":67,"address":[914736,909722,909846],"length":1,"stats":{"Line":0}},{"line":68,"address":[914754],"length":1,"stats":{"Line":0}},{"line":69,"address":[914768],"length":1,"stats":{"Line":0}},{"line":70,"address":[914782],"length":1,"stats":{"Line":0}},{"line":74,"address":[909868,910096],"length":1,"stats":{"Line":0}},{"line":75,"address":[910069],"length":1,"stats":{"Line":0}},{"line":79,"address":[910181,910289],"length":1,"stats":{"Line":0}},{"line":80,"address":[910382],"length":1,"stats":{"Line":0}},{"line":84,"address":[910448],"length":1,"stats":{"Line":0}},{"line":85,"address":[910558],"length":1,"stats":{"Line":0}},{"line":86,"address":[910497],"length":1,"stats":{"Line":0}},{"line":88,"address":[910511],"length":1,"stats":{"Line":0}},{"line":89,"address":[910550],"length":1,"stats":{"Line":0}},{"line":91,"address":[910609],"length":1,"stats":{"Line":0}},{"line":94,"address":[914800,910636,914811],"length":1,"stats":{"Line":0}},{"line":97,"address":[910643,910746],"length":1,"stats":{"Line":0}},{"line":98,"address":[910794,912227,911892,913310],"length":1,"stats":{"Line":0}},{"line":104,"address":[912142,911823],"length":1,"stats":{"Line":0}},{"line":109,"address":[912186],"length":1,"stats":{"Line":0}},{"line":113,"address":[913425],"length":1,"stats":{"Line":0}},{"line":117,"address":[913398,913346],"length":1,"stats":{"Line":0}},{"line":118,"address":[913417],"length":1,"stats":{"Line":0}},{"line":120,"address":[913457],"length":1,"stats":{"Line":0}},{"line":124,"address":[913430,913372],"length":1,"stats":{"Line":0}},{"line":125,"address":[913449],"length":1,"stats":{"Line":0}},{"line":127,"address":[913236],"length":1,"stats":{"Line":0}},{"line":131,"address":[913198,912278],"length":1,"stats":{"Line":0}},{"line":132,"address":[913217],"length":1,"stats":{"Line":0}},{"line":134,"address":[913305],"length":1,"stats":{"Line":0}},{"line":138,"address":[912307,913241],"length":1,"stats":{"Line":0}},{"line":139,"address":[913260],"length":1,"stats":{"Line":0}},{"line":141,"address":[912038],"length":1,"stats":{"Line":0}},{"line":142,"address":[913653,912052],"length":1,"stats":{"Line":0}},{"line":144,"address":[911994],"length":1,"stats":{"Line":0}},{"line":145,"address":[913579,912008],"length":1,"stats":{"Line":0}},{"line":147,"address":[911936],"length":1,"stats":{"Line":0}},{"line":150,"address":[913462,911964],"length":1,"stats":{"Line":0}},{"line":152,"address":[911755,913727],"length":1,"stats":{"Line":0}},{"line":157,"address":[910739,910854],"length":1,"stats":{"Line":0}},{"line":158,"address":[910911,910941],"length":1,"stats":{"Line":0}},{"line":161,"address":[911251,911564,910934],"length":1,"stats":{"Line":0}},{"line":162,"address":[911590],"length":1,"stats":{"Line":0}},{"line":165,"address":[912477,912410],"length":1,"stats":{"Line":0}},{"line":168,"address":[903568],"length":1,"stats":{"Line":0}},{"line":169,"address":[903744,903575],"length":1,"stats":{"Line":0}},{"line":170,"address":[903733],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":68},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmasdl2","src","bin","support","gemma_egui_support.rs"],"content":"use crate::Chip8Computer;\nuse egui::Rect;\nuse egui::Ui;\nuse egui::Vec2;\nuse egui::{Align, Color32, ComboBox, Pos2};\nuse std::fs::read_dir;\nuse std::path::PathBuf;\n\nconst CELL_WIDTH: f32 = 5.0;\nconst CELL_HEIGHT: f32 = 5.0;\n\npub struct EGuiFileList {}\nimpl EGuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026mut String, ui: \u0026mut Ui) {\n        let working_filename = selected_filename.clone();\n        ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n            //  ui.label(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to Load Path\")));\n            ComboBox::from_label(\"Select ROM\")\n                .selected_text(selected_filename.clone())\n                .show_ui(ui, |ui| {\n                    let mut sorted_options = vec![];\n                    for option in read_dir(root.as_path()).unwrap() {\n                        let to_push = option\n                            .unwrap()\n                            .file_name()\n                            .into_string()\n                            .unwrap_or(String::new());\n                        sorted_options.push(to_push);\n                    }\n\n                    sorted_options.sort();\n                    for item in sorted_options {\n                        // Add each option to the ComboBox\n                        if ui\n                            .selectable_label(selected_filename.eq(\u0026item.as_str()), item.clone())\n                            .clicked()\n                        {\n                            *selected_filename = item;\n                        }\n                    }\n                });\n            // Display the selected option\n        });\n    }\n}\n\npub struct GemmaEguiSupport {}\n\nimpl GemmaEguiSupport {\n    pub fn controls_view(system: \u0026mut Chip8Computer, ui: \u0026mut Ui) {\n        ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n            if ui.button(\"Start\").clicked() {\n                println!(\"Start\");\n                //       state.is_running = true;\n            }\n            if ui.button(\"Step\").clicked() {\n                system.step_system();\n            }\n\n            if ui.button(\"Stop\").clicked() {\n                println!(\"STOP\");\n                //     state.is_running = false;\n            }\n            if ui.button(\"Reset\").clicked() {\n                system.reset(system.quirk_mode.clone());\n                //   state.is_running = false;\n            }\n        });\n\n        //       if ui.button(format!(\"Load {}\", state.selected_rom_filename)).clicked() {\n        // load the bin...\n        //         let read_bin = std::fs::read(PathBuf::from(format!(\"resources/roms/{}\", state.selected_rom_filename))).unwrap();\n        // ...then feed the system.\n        //         system.load_bytes_to_memory(0x200, \u0026read_bin);\n        //         println!(\"Loaded {}\", state.selected_rom_filename);\n        //     }\n        //      EGuiFileList::display_path(PathBuf::from(\"resources/roms\"), \u0026mut state.selected_rom_filename, ui);\n\n        ui.with_layout(egui::Layout::left_to_right(Align::TOP), |ui| {\n            //    ui.checkbox(\u0026mut state.display_memory, \"Display Memory\");\n            //    ui.checkbox(\u0026mut state.display_video, \"Display Video\");\n            //   ui.checkbox(\u0026mut state.display_registers, \"Display Registers\");\n        });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(format!(\n            \"V0-7: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x00),\n            system.registers.peek(0x01),\n            system.registers.peek(0x02),\n            system.registers.peek(0x03),\n            system.registers.peek(0x04),\n            system.registers.peek(0x05),\n            system.registers.peek(0x06),\n            system.registers.peek(0x07)\n        ));\n        ui.label(format!(\n            \"V8-F: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x08),\n            system.registers.peek(0x09),\n            system.registers.peek(0x0A),\n            system.registers.peek(0x0B),\n            system.registers.peek(0x0C),\n            system.registers.peek(0x0D),\n            system.registers.peek(0x0E),\n            system.registers.peek(0x0F)\n        ));\n        ui.label(format!(\n            \"PC: {:04x}\\tI: {:04x}\",\n            system.registers.peek_pc(),\n            system.registers.peek_i()\n        ));\n    }\n\n    pub fn video_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        let (_resp, painter) = ui.allocate_painter(Vec2::new(350.0, 165.0), egui::Sense::hover());\n        for current_row in 0..32 {\n            for current_col in 0..64 {\n                let data_offset = current_row * 64 + current_col;\n                let x_offset = current_col as f32 * CELL_WIDTH;\n                let y_offset = current_row as f32 * CELL_HEIGHT;\n                let origin = Pos2::new(x_offset, y_offset);\n                let colour = if system.video_memory.peek(data_offset) {\n                    Color32::RED\n                } else {\n                    Color32::WHITE\n                };\n                let rect = Rect::from_min_size(origin, Vec2::new(CELL_WIDTH, CELL_HEIGHT));\n                painter.rect_filled(rect, 0.0, colour);\n                // println!(\"Cell {current_col}x{current_row} at {}x{} -\u003e {}\",\n                //          origin.x, origin.y,\n                //          system.video_memory.peek(data_offset));\n            }\n        }\n        //    thread::sleep(Duration::from_secs(1));\n    }\n\n    pub fn memory_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(\"Memory View\");\n\n        for i in (0..=0x200).step_by(16) {\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                for y in 0..16 {\n                    ui.label(format!(\"{:02x}\", system.memory.peek((i + y) as u16)).as_str());\n                }\n            });\n        }\n        ui.label(\"Should have **something** to adjust the 'memory window'\");\n    }\n}\n","traces":[{"line":14,"address":[978639,978208],"length":1,"stats":{"Line":0}},{"line":15,"address":[978238],"length":1,"stats":{"Line":0}},{"line":16,"address":[945729,945697,945456],"length":1,"stats":{"Line":0}},{"line":18,"address":[945660,945595,945485],"length":1,"stats":{"Line":0}},{"line":19,"address":[945530,945642,945710],"length":1,"stats":{"Line":0}},{"line":20,"address":[947527,947939,945744,945650],"length":1,"stats":{"Line":0}},{"line":21,"address":[945780],"length":1,"stats":{"Line":0}},{"line":22,"address":[947894,946331,946167,945837,946302,945941],"length":1,"stats":{"Line":0}},{"line":23,"address":[947709,947558,947641],"length":1,"stats":{"Line":0}},{"line":26,"address":[947648],"length":1,"stats":{"Line":0}},{"line":27,"address":[947929,947748,947664,947593],"length":1,"stats":{"Line":0}},{"line":28,"address":[947816],"length":1,"stats":{"Line":0}},{"line":31,"address":[946573],"length":1,"stats":{"Line":0}},{"line":32,"address":[946607,947503,946797,946847],"length":1,"stats":{"Line":0}},{"line":34,"address":[947490,947068,947246],"length":1,"stats":{"Line":0}},{"line":35,"address":[946887,946997],"length":1,"stats":{"Line":0}},{"line":36,"address":[947198,947252],"length":1,"stats":{"Line":0}},{"line":38,"address":[947309],"length":1,"stats":{"Line":0}},{"line":50,"address":[978672],"length":1,"stats":{"Line":0}},{"line":51,"address":[947984,948953],"length":1,"stats":{"Line":0}},{"line":52,"address":[948120,948009],"length":1,"stats":{"Line":0}},{"line":53,"address":[948195],"length":1,"stats":{"Line":0}},{"line":56,"address":[948235,948358],"length":1,"stats":{"Line":0}},{"line":57,"address":[948442],"length":1,"stats":{"Line":0}},{"line":60,"address":[948458,948581],"length":1,"stats":{"Line":0}},{"line":61,"address":[948665],"length":1,"stats":{"Line":0}},{"line":64,"address":[948828,948705],"length":1,"stats":{"Line":0}},{"line":65,"address":[948909],"length":1,"stats":{"Line":0}},{"line":79,"address":[948976],"length":1,"stats":{"Line":0}},{"line":86,"address":[979152],"length":1,"stats":{"Line":0}},{"line":87,"address":[979351,979498,979204,979449,979400,981241,979253,979302,979547],"length":1,"stats":{"Line":0}},{"line":89,"address":[979185],"length":1,"stats":{"Line":0}},{"line":90,"address":[979231],"length":1,"stats":{"Line":0}},{"line":91,"address":[979280],"length":1,"stats":{"Line":0}},{"line":92,"address":[979329],"length":1,"stats":{"Line":0}},{"line":93,"address":[979378],"length":1,"stats":{"Line":0}},{"line":94,"address":[979427],"length":1,"stats":{"Line":0}},{"line":95,"address":[979476],"length":1,"stats":{"Line":0}},{"line":96,"address":[979525],"length":1,"stats":{"Line":0}},{"line":98,"address":[981494,981347,981298,981641,981396,981592,983335,981445,981543],"length":1,"stats":{"Line":0}},{"line":100,"address":[981276],"length":1,"stats":{"Line":0}},{"line":101,"address":[981325],"length":1,"stats":{"Line":0}},{"line":102,"address":[981374],"length":1,"stats":{"Line":0}},{"line":103,"address":[981423],"length":1,"stats":{"Line":0}},{"line":104,"address":[981472],"length":1,"stats":{"Line":0}},{"line":105,"address":[981521],"length":1,"stats":{"Line":0}},{"line":106,"address":[981570],"length":1,"stats":{"Line":0}},{"line":107,"address":[981619],"length":1,"stats":{"Line":0}},{"line":109,"address":[983970,983394,983439],"length":1,"stats":{"Line":0}},{"line":111,"address":[983376],"length":1,"stats":{"Line":0}},{"line":112,"address":[983421],"length":1,"stats":{"Line":0}},{"line":116,"address":[984016,985392],"length":1,"stats":{"Line":0}},{"line":117,"address":[984071],"length":1,"stats":{"Line":0}},{"line":118,"address":[984367,984553,984449],"length":1,"stats":{"Line":0}},{"line":119,"address":[984574,984672],"length":1,"stats":{"Line":0}},{"line":120,"address":[984956,984787],"length":1,"stats":{"Line":0}},{"line":121,"address":[984876],"length":1,"stats":{"Line":0}},{"line":122,"address":[984910],"length":1,"stats":{"Line":0}},{"line":123,"address":[984996],"length":1,"stats":{"Line":0}},{"line":124,"address":[985077,985032],"length":1,"stats":{"Line":0}},{"line":125,"address":[985079],"length":1,"stats":{"Line":0}},{"line":127,"address":[985064],"length":1,"stats":{"Line":0}},{"line":130,"address":[985306],"length":1,"stats":{"Line":0}},{"line":139,"address":[985424],"length":1,"stats":{"Line":0}},{"line":140,"address":[985457],"length":1,"stats":{"Line":0}},{"line":142,"address":[985491,985704],"length":1,"stats":{"Line":0}},{"line":143,"address":[948992,949640],"length":1,"stats":{"Line":0}},{"line":144,"address":[949080,949022],"length":1,"stats":{"Line":0}},{"line":145,"address":[949091,949500],"length":1,"stats":{"Line":0}},{"line":149,"address":[985646],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":70},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmasdl2","src","bin","support","mod.rs"],"content":"pub mod timestep;\npub mod gemma_egui_support;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmasdl2","src","bin","support","timestep.rs"],"content":"\n//! Gameplay speed control. It attempts to mimic/limit progression to\n//! the 30 tics per second Doom used.\n\nuse std::{fmt, time::Instant};\n\nconst MS_PER_UPDATE: f32 = 28.57;\n\n#[derive(Debug)]\npub struct TimeStep {\n    last_time: Instant,\n    delta_time: f32,\n    frame_count: u32,\n    frame_time: f32,\n    run_tics: u32,\n    last_tics: u32,\n    lag: f32,\n}\n\n#[derive(Debug)]\npub struct FrameData {\n    pub tics: u32,\n    pub frames: u32,\n}\n\nimpl fmt::Display for FrameData {\n    fn fmt(\u0026self, f: \u0026mut fmt::Formatter\u003c'_\u003e) -\u003e fmt::Result {\n        f.write_fmt(format_args!(\n            \"FrameData (per-second):\\n  - tics: {}\\n  -  fps: {}\",\n            self.tics, self.frames\n        ))\n    }\n}\n\nimpl TimeStep {\n    pub fn new() -\u003e TimeStep {\n        TimeStep {\n            last_time: Instant::now(),\n            delta_time: 0.0,\n            frame_count: 0,\n            frame_time: 0.0,\n            run_tics: 0,\n            last_tics: 0,\n            lag: 0.0,\n        }\n    }\n\n    pub fn delta(\u0026mut self) -\u003e f32 {\n        let current_time = Instant::now();\n        let delta = current_time.duration_since(self.last_time).as_micros() as f32 * 0.001;\n        self.last_time = current_time;\n        self.delta_time = delta;\n        delta\n    }\n\n    /// Increments self time and returns current lag. `run_this` is run only for\n    /// `n` tics available.\n    pub fn run_this(\u0026mut self, mut run_this: impl FnMut(f32)) {\n        let dt = self.delta();\n        self.lag += dt;\n        while self.lag \u003e= MS_PER_UPDATE {\n            run_this(dt);\n            self.lag -= MS_PER_UPDATE;\n            self.run_tics += 1;\n        }\n    }\n\n    pub fn frame_rate(\u0026mut self) -\u003e Option\u003cFrameData\u003e {\n        self.frame_count += 1;\n        self.frame_time += self.delta_time;\n        let tmp;\n        let tmp2;\n        // per second\n        if self.frame_time \u003e= 1000.0 {\n            tmp = self.frame_count;\n            tmp2 = self.last_tics;\n            self.frame_count = 0;\n            self.frame_time = 0.0;\n            self.last_tics = self.run_tics;\n            return Some(FrameData {\n                tics: self.run_tics - tmp2,\n                frames: tmp,\n            });\n        }\n\n        None\n    }\n}\n\nimpl Default for TimeStep {\n    // shutup clippy!\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}","traces":[{"line":27,"address":[905936],"length":1,"stats":{"Line":0}},{"line":28,"address":[905975],"length":1,"stats":{"Line":0}},{"line":36,"address":[906112],"length":1,"stats":{"Line":0}},{"line":38,"address":[906126],"length":1,"stats":{"Line":0}},{"line":48,"address":[906208],"length":1,"stats":{"Line":0}},{"line":49,"address":[906221],"length":1,"stats":{"Line":0}},{"line":50,"address":[906243],"length":1,"stats":{"Line":0}},{"line":51,"address":[906319],"length":1,"stats":{"Line":0}},{"line":52,"address":[906334],"length":1,"stats":{"Line":0}},{"line":58,"address":[],"length":0,"stats":{"Line":0}},{"line":59,"address":[],"length":0,"stats":{"Line":0}},{"line":60,"address":[],"length":0,"stats":{"Line":0}},{"line":61,"address":[],"length":0,"stats":{"Line":0}},{"line":62,"address":[],"length":0,"stats":{"Line":0}},{"line":63,"address":[],"length":0,"stats":{"Line":0}},{"line":64,"address":[],"length":0,"stats":{"Line":0}},{"line":68,"address":[906352],"length":1,"stats":{"Line":0}},{"line":69,"address":[906376,906438],"length":1,"stats":{"Line":0}},{"line":70,"address":[906403],"length":1,"stats":{"Line":0}},{"line":74,"address":[906418],"length":1,"stats":{"Line":0}},{"line":75,"address":[906472],"length":1,"stats":{"Line":0}},{"line":76,"address":[906482],"length":1,"stats":{"Line":0}},{"line":77,"address":[906489],"length":1,"stats":{"Line":0}},{"line":78,"address":[906496],"length":1,"stats":{"Line":0}},{"line":79,"address":[906504],"length":1,"stats":{"Line":0}},{"line":80,"address":[906549],"length":1,"stats":{"Line":0}},{"line":81,"address":[906510,906563],"length":1,"stats":{"Line":0}},{"line":86,"address":[906459],"length":1,"stats":{"Line":0}},{"line":92,"address":[906592],"length":1,"stats":{"Line":0}},{"line":93,"address":[906600],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":30},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","bin","gemmatelnetd.rs"],"content":"use std::io::{BufRead, BufReader, Write};\nuse std::net::{TcpListener, TcpStream};\nuse std::thread;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemmatelnet::client_handler::handle_client;\nuse log::info;\nuse clap::Parser;\n\nconst LISTEN_HOST: \u0026str = \"0.0.0.0\";\nconst LISTEN_PORT: u32 = 1420;\n\n#[derive(Parser, Debug)]\n#[command(name = \"myapp\")]\n#[command(about = \"Does awesome things\", long_about = None)]\nstruct Cli {\n    #[arg(long, default_value = \"0.0.0.0\")]\n    host: Option\u003cString\u003e,\n    #[arg(long, default_value = \"1420\")]\n    port: Option\u003cu32\u003e,\n}\n\nimpl Cli {\n    pub fn host(\u0026self) -\u003e String {\n        self.host.clone().unwrap_or(LISTEN_HOST.into())\n    }\n    pub fn port(\u0026self) -\u003e u32 {\n        self.port.unwrap_or(LISTEN_PORT.into())\n    }\n}\n\nfn main() -\u003e std::io::Result\u003c()\u003e {\n    let config = Cli::parse();\n\n    let listener = TcpListener::bind(format!(\"{}:{}\", config.host(), config.port()))?;\n    println!(\"Listening to {}:{}\", LISTEN_HOST, LISTEN_PORT);\n\n    for stream in listener.incoming() {\n        match stream {\n            Ok(stream) =\u003e {\n                thread::spawn(|| handle_client(stream));\n            }\n            Err(e) =\u003e {\n                eprintln!(\"Connection Failed -\u003e {}\", e);\n            }\n        }\n    }\n\n    Ok(())\n}","traces":[{"line":24,"address":[591136,591281,591307],"length":1,"stats":{"Line":0}},{"line":25,"address":[591291,591155],"length":1,"stats":{"Line":0}},{"line":27,"address":[591328],"length":1,"stats":{"Line":0}},{"line":28,"address":[591337],"length":1,"stats":{"Line":0}},{"line":32,"address":[591392,592557,592523],"length":1,"stats":{"Line":0}},{"line":33,"address":[591409],"length":1,"stats":{"Line":0}},{"line":35,"address":[591923,592537,591427,591848,591471],"length":1,"stats":{"Line":0}},{"line":36,"address":[591897,591999],"length":1,"stats":{"Line":0}},{"line":38,"address":[592228,592115],"length":1,"stats":{"Line":0}},{"line":39,"address":[592260],"length":1,"stats":{"Line":0}},{"line":40,"address":[592298],"length":1,"stats":{"Line":0}},{"line":41,"address":[592366,592320],"length":1,"stats":{"Line":0}},{"line":43,"address":[592327],"length":1,"stats":{"Line":0}},{"line":44,"address":[592359,592432],"length":1,"stats":{"Line":0}},{"line":49,"address":[592207],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":15},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","client_handler.rs"],"content":"use std::io::{BufRead, BufReader};\nuse std::net::TcpStream;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse crate::telnet_utils::list_of_files_in_directory;\nuse std::io::Write;\nuse std::path::Path;\nuse gemma::constants::RESOURCES_ROOT;\nuse crate::constants::*;\n\nconst ERROR_CANT_NOTIFY: \u0026str = \"Unable to notify client\";\nconst MENU_TEXT: \u0026str = r#\"\n---------------------------\nstatus -\u003e Current status of the Instance\nnew -\u003e Start New Instance\n* list -\u003e list available files to load into Chip-8 Instance\n* load \u003cfilename\u003e -\u003e Load Chip-8 Program from server\nhelp -\u003e display this help\nstep -\u003e step chip-8 machine 1 step\n* steps \u003cnumber\u003e -\u003e Step a fixed number of steps\n* memory -\u003e dump current memory from chip-8 instance\n* video -\u003e dump current video from chip-8 instance\n* window \u003cstart\u003e \u003clength\u003e -\u003e display a window of memory\ndisconnect -\u003e close connection\n---------------------------\n\"#;\n\npub fn handle_client(mut stream: TcpStream) {\n    // each client gets their own instance of a Chip-8 system\n    let mut chip8 = Chip8ComputerManager::default();\n\n    let peer_addr = stream.peer_addr().unwrap();\n    println!(\"New CX From {}\", peer_addr);\n\n    let mut reader = BufReader::new(stream.try_clone().unwrap());\n    let mut line = String::new();\n\n    write!(stream, \"Welcome to Gemma Telnet Server\\n\").unwrap();\n    write!(stream, \"{}\", MENU_TEXT).unwrap();\n\n    let mut time_to_die: bool = false;\n\n    while !time_to_die {\n\n        // clear the buffer\n        line.clear();\n\n        // read from the client to the buffer\n        let bytes = reader.read_line(\u0026mut line).unwrap();\n        if bytes == 0 {\n            println!(\"Connection closed by {}\", peer_addr);\n            break;\n        }\n\n        // display the message received\n        eprint!(\"RX {}: {}\", peer_addr, line);\n\n        // split the line into \u003ccommand\u003e \u003cparam1\u003e \u003cparam2\u003e (if params exist)\n\n        let mut result = line.split(\" \");\n        let command = result.next().unwrap();\n        let p1 = result.next();\n        let p2 = result.next();\n\n        let mut message_to_send: String = \"Unrecognized Command\".to_string();\n\n        match command.trim() {\n            CMD_STATUS =\u003e {\n                message_to_send = chip8.status_as_string();\n            }\n            CMD_DISCONNECT =\u003e {\n                message_to_send = \"Disconnecting User\".to_string();\n                time_to_die = true;\n                break;\n            }\n            CMD_NEW =\u003e {\n                message_to_send = \"Starting new Chip-8 Instance\".to_string();\n                chip8.reset(QuirkMode::Chip8);\n            }\n            CMD_LIST =\u003e {\n                message_to_send =\n                    format!(\"Listing files in path: \\n{}\",\n                            list_of_files_in_directory(\n                                \u0026mut Path::new(\"/home/tmerritt/Projects/trevors_chip8_toy/resources/roms\".into())\n                            )\n                    );\n            }\n            CMD_LOAD =\u003e {\n                let file_to_use = p1.unwrap_or(\"default.ch8\").trim();\n                // chip8 = Chip8ComputerManager::from(chip8).load_new_program_to_system_memory()\n                message_to_send = format!(\"Preparing to load {} from disk.\",\n                                          file_to_use);\n                chip8.load_new_program_from_disk_to_system_memory(\n                    Path::new(format!(\"{}/roms/{}\", RESOURCES_ROOT, file_to_use).as_str())\n                );\n            }\n            CMD_HELP =\u003e {\n                message_to_send = MENU_TEXT.to_string();\n            }\n            CMD_STEPS =\u003e {\n                if chip8.core_should_run {\n                    let num_steps = p1.unwrap_or(\"0\").trim();\n                    message_to_send = format!(\"Advancing {} steps.\", num_steps);\n                    for _ in 0..num_steps.parse().unwrap_or(0) {\n                        chip8.tick();\n                    }\n                } else {\n                    message_to_send = \"Not Ready to Step\".to_string();\n                }\n            }\n            CMD_STEP =\u003e {\n                if chip8.core_should_run {\n                    message_to_send = \"Advancing 1 step.\".to_string();\n                    chip8.tick();\n                } else {\n                    message_to_send = \"Not Ready To Step\".to_string();\n                }\n            }\n            CMD_WINDOW =\u003e {\n                message_to_send = format!(\"Memory window from {} to {}\",\n                                          p1.unwrap_or(\"0x0000\").trim(),\n                                          p2.unwrap_or(\"0xFFFF\").trim());\n            }\n            _ =\u003e {}\n        }\n\n        write!(stream, \"{}\\n\", message_to_send).expect(ERROR_CANT_NOTIFY);\n\n        stream.flush().unwrap();\n    }\n}\n","traces":[{"line":28,"address":[2427085,2425658,2419536],"length":1,"stats":{"Line":0}},{"line":30,"address":[2419550],"length":1,"stats":{"Line":0}},{"line":32,"address":[2419613],"length":1,"stats":{"Line":0}},{"line":33,"address":[2419985],"length":1,"stats":{"Line":0}},{"line":35,"address":[2420299,2420081],"length":1,"stats":{"Line":0}},{"line":36,"address":[2420326],"length":1,"stats":{"Line":0}},{"line":38,"address":[2420377,2420546],"length":1,"stats":{"Line":0}},{"line":39,"address":[2420768],"length":1,"stats":{"Line":0}},{"line":41,"address":[2421066],"length":1,"stats":{"Line":0}},{"line":43,"address":[473082],"length":1,"stats":{"Line":0}},{"line":46,"address":[2421092],"length":1,"stats":{"Line":0}},{"line":49,"address":[473393,473145],"length":1,"stats":{"Line":0}},{"line":50,"address":[2421397],"length":1,"stats":{"Line":0}},{"line":51,"address":[2421403,2421457],"length":1,"stats":{"Line":0}},{"line":56,"address":[2421430,2421531],"length":1,"stats":{"Line":0}},{"line":60,"address":[2421651],"length":1,"stats":{"Line":0}},{"line":61,"address":[2421722,2421894],"length":1,"stats":{"Line":0}},{"line":62,"address":[2421932],"length":1,"stats":{"Line":0}},{"line":63,"address":[2422021],"length":1,"stats":{"Line":0}},{"line":65,"address":[2422110],"length":1,"stats":{"Line":0}},{"line":67,"address":[2422272,2422157],"length":1,"stats":{"Line":0}},{"line":68,"address":[2422294,2426679],"length":1,"stats":{"Line":0}},{"line":69,"address":[2422375,2426537],"length":1,"stats":{"Line":0}},{"line":71,"address":[474345,474408],"length":1,"stats":{"Line":0}},{"line":72,"address":[2426381,2422460],"length":1,"stats":{"Line":0}},{"line":73,"address":[2426507],"length":1,"stats":{"Line":0}},{"line":76,"address":[2422501,2422434],"length":1,"stats":{"Line":0}},{"line":77,"address":[2426215,2422549],"length":1,"stats":{"Line":0}},{"line":78,"address":[2426341],"length":1,"stats":{"Line":0}},{"line":80,"address":[2422523,2422590,2426210],"length":1,"stats":{"Line":0}},{"line":81,"address":[2426162,2426068],"length":1,"stats":{"Line":0}},{"line":82,"address":[2425765],"length":1,"stats":{"Line":0}},{"line":83,"address":[2425746],"length":1,"stats":{"Line":0}},{"line":84,"address":[2422638,2425683],"length":1,"stats":{"Line":0}},{"line":88,"address":[2422694,2422612],"length":1,"stats":{"Line":0}},{"line":89,"address":[2422758,2425000],"length":1,"stats":{"Line":0}},{"line":91,"address":[477175,477269,477027],"length":1,"stats":{"Line":0}},{"line":92,"address":[2425258],"length":1,"stats":{"Line":0}},{"line":93,"address":[2425617],"length":1,"stats":{"Line":0}},{"line":94,"address":[2425515,2425317,2425586],"length":1,"stats":{"Line":0}},{"line":97,"address":[476963,474799,474708],"length":1,"stats":{"Line":0}},{"line":98,"address":[2424837,2422855],"length":1,"stats":{"Line":0}},{"line":100,"address":[474821,474888],"length":1,"stats":{"Line":0}},{"line":101,"address":[2422944,2424263],"length":1,"stats":{"Line":0}},{"line":102,"address":[476276,476071],"length":1,"stats":{"Line":0}},{"line":103,"address":[2424475,2424327],"length":1,"stats":{"Line":0}},{"line":104,"address":[2424601],"length":1,"stats":{"Line":0}},{"line":105,"address":[2424816],"length":1,"stats":{"Line":0}},{"line":108,"address":[476113,476024],"length":1,"stats":{"Line":0}},{"line":111,"address":[2422918,2422970],"length":1,"stats":{"Line":0}},{"line":112,"address":[475869,475010],"length":1,"stats":{"Line":0}},{"line":113,"address":[2423882,2423701],"length":1,"stats":{"Line":0}},{"line":114,"address":[476000],"length":1,"stats":{"Line":0}},{"line":116,"address":[2423735,2423670],"length":1,"stats":{"Line":0}},{"line":119,"address":[2422992,2423044,2423665],"length":1,"stats":{"Line":0}},{"line":120,"address":[2423523,2423359,2423206,2423617],"length":1,"stats":{"Line":0}},{"line":121,"address":[2423096],"length":1,"stats":{"Line":0}},{"line":122,"address":[2423590,2423249],"length":1,"stats":{"Line":0}},{"line":127,"address":[2423050,2426684],"length":1,"stats":{"Line":0}},{"line":129,"address":[2426809],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":60},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","constants.rs"],"content":"pub const CMD_NEW: \u0026str = \"new\";\npub const CMD_LIST: \u0026str = \"list\";\npub const CMD_LOAD: \u0026str = \"load\";\npub const CMD_STATUS: \u0026str = \"status\";\npub const CMD_DISCONNECT: \u0026str = \"disconnect\";\npub const CMD_HELP: \u0026str = \"help\";\npub const CMD_STEPS: \u0026str = \"steps\";\npub const CMD_STEP: \u0026str = \"step\";\npub const CMD_WINDOW: \u0026str = \"window\";\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","lib.rs"],"content":"pub mod telnet_utils;\npub mod client_handler;\npub mod constants;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","telnet_utils.rs"],"content":"use std::{fs, io};\nuse std::path::Path;\n\npub fn list_of_files_in_directory(root_directory: \u0026Path) -\u003e String {\n\n     let mut return_value = String::new();\n\n     if root_directory.is_dir() {\n          for entry in fs::read_dir(root_directory).unwrap() {\n               let entry = entry.unwrap();\n               let path = entry.path();\n               if path.is_file() {\n                    return_value = format!(\"{}\\n{}\", return_value, path.file_name().unwrap().to_string_lossy());\n               }\n          }\n     }\n     return_value\n}","traces":[{"line":4,"address":[2435008,2436802],"length":1,"stats":{"Line":0}},{"line":6,"address":[2435071],"length":1,"stats":{"Line":0}},{"line":8,"address":[2435092,2435181],"length":1,"stats":{"Line":0}},{"line":9,"address":[2435262,2435500,2435643,2435676],"length":1,"stats":{"Line":0}},{"line":11,"address":[2435905],"length":1,"stats":{"Line":0}},{"line":12,"address":[2436775,2436052,2435984],"length":1,"stats":{"Line":0}},{"line":13,"address":[2436307,2436099,2436633],"length":1,"stats":{"Line":0}},{"line":17,"address":[2435203],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":8},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","bin2hex.rs"],"content":"use clap::{Arg, Command};\nuse std::fs::File;\nuse std::io;\nuse std::io::{BufReader, Read};\n\n#[derive(Debug)]\nstruct CliArgs {\n    input: String,\n}\n\nfn main() {\n    println!(\"Taxation is Theft!\");\n    // Set up the command line arguments\n    let matches = Command::new(\"my_program\")\n        .about(\"Processes an input file and outputs it with a specified bit width\")\n        .arg(\n            Arg::new(\"input\")\n                .help(\"The input file to process\")\n                .required(true)\n                .index(1),\n        )\n        .get_matches();\n\n    // Parse the command-line arguments\n    let args = CliArgs {\n        input: matches.get_one::\u003cString\u003e(\"input\").unwrap().to_string(),\n    };\n\n    // Use the parsed arguments\n    println!(\"Input file: {}\", args.input);\n\n    // behave like a shift register and load each character from the file 1 by 1.\n    let results = read_file_to_bools(\u0026args.input);\n    for result in results.unwrap().bytes() {\n        print!(\"0x{:02x}, \", result.unwrap());\n    }\n}\nfn read_file_to_bools(file_path: \u0026str) -\u003e io::Result\u003cVec\u003cu8\u003e\u003e {\n    // Open the file\n    let file = File::open(file_path)?;\n    let mut reader = BufReader::new(file);\n\n    let mut bytes = Vec::new();\n    reader.read_to_end(\u0026mut bytes)?;\n\n    let mut output = Vec::new();\n    let mut current_byte = 0u8;\n    let mut bit_index = 0;\n\n    for \u0026byte in \u0026bytes {\n        // Convert ASCII character '1' or '0' to boolean, skip any other characters\n        let bit = match byte {\n            b'1' =\u003e true,\n            b'0' =\u003e false,\n            _ =\u003e continue, // Skip non-'1' or '0' characters\n        };\n\n        // Set the appropriate bit in the current byte\n        if bit {\n            current_byte |= 1 \u003c\u003c (7 - bit_index); // Set the bit at the correct position\n        }\n\n        bit_index += 1;\n\n        // Once we have filled 8 bits, push the byte and reset\n        if bit_index == 8 {\n            output.push(current_byte);\n            current_byte = 0;\n            bit_index = 0;\n        }\n    }\n\n    // If there are remaining bits, push the last byte (it will be partially filled)\n    if bit_index \u003e 0 {\n        output.push(current_byte);\n    }\n\n    Ok(output)\n}\n","traces":[{"line":11,"address":[255306,253408],"length":1,"stats":{"Line":0}},{"line":12,"address":[253430],"length":1,"stats":{"Line":0}},{"line":14,"address":[253811,253487,253736],"length":1,"stats":{"Line":0}},{"line":17,"address":[253641,253569],"length":1,"stats":{"Line":0}},{"line":26,"address":[253824,253999],"length":1,"stats":{"Line":0}},{"line":30,"address":[254038,254131],"length":1,"stats":{"Line":0}},{"line":33,"address":[254208],"length":1,"stats":{"Line":0}},{"line":34,"address":[254583,254480,254723],"length":1,"stats":{"Line":0}},{"line":35,"address":[254978],"length":1,"stats":{"Line":0}},{"line":38,"address":[256518,256462,255360],"length":1,"stats":{"Line":0}},{"line":40,"address":[255491,255393],"length":1,"stats":{"Line":0}},{"line":41,"address":[255459],"length":1,"stats":{"Line":0}},{"line":43,"address":[255570],"length":1,"stats":{"Line":0}},{"line":44,"address":[255792,255698,255630],"length":1,"stats":{"Line":0}},{"line":46,"address":[255780],"length":1,"stats":{"Line":0}},{"line":47,"address":[255825],"length":1,"stats":{"Line":0}},{"line":48,"address":[255833],"length":1,"stats":{"Line":0}},{"line":50,"address":[255923,256017,255852],"length":1,"stats":{"Line":0}},{"line":52,"address":[256038],"length":1,"stats":{"Line":0}},{"line":53,"address":[256213],"length":1,"stats":{"Line":0}},{"line":54,"address":[256223],"length":1,"stats":{"Line":0}},{"line":59,"address":[256231,256340],"length":1,"stats":{"Line":0}},{"line":60,"address":[256261,256342],"length":1,"stats":{"Line":0}},{"line":63,"address":[256241,256386,256364],"length":1,"stats":{"Line":0}},{"line":66,"address":[256371,256457],"length":1,"stats":{"Line":0}},{"line":67,"address":[256404],"length":1,"stats":{"Line":0}},{"line":68,"address":[256438],"length":1,"stats":{"Line":0}},{"line":69,"address":[256446],"length":1,"stats":{"Line":0}},{"line":74,"address":[256005],"length":1,"stats":{"Line":0}},{"line":75,"address":[256141],"length":1,"stats":{"Line":0}},{"line":78,"address":[256067],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":31},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","ch8asm.rs"],"content":"use gemma::chip8::util::InstructionUtil;\nuse gemma::chip8::{instructions::Chip8CpuInstructions, quirk_modes::QuirkMode};\nuse std::fs::{self, File};\nuse std::io::Write;\n// Ch8Asm\n// Converts well formed CH8ASM.\n// no variables.\n// no labels.\n// nothing fun.\n// VALID FORMAT\n// \u003cINSTRUCTION\u003e \u003c0x|0X\u003e\u003cparameter\u003e[, ][\u003c0x|OX\u003e\u003cparameter\u003e[, ][\u003c0x|OX\u003e\u003cparameter\u003e]][; comment]\nuse pest::Parser;\nuse pest_derive::Parser;\n#[derive(Parser)]\n#[grammar = \"chip8_asm.pest\"]\npub struct Chip8AsmParser;\n\nfn main() {\n    println!(\"Taxation is Theft\");\n\n    let unparsed = fs::read_to_string(\"resources/test/gemma_disassembler_manual_document.asc\")\n        .expect(\"Unable to read input\");\n\n    let file = Chip8AsmParser::parse(Rule::file, \u0026unparsed)\n        .expect(\"Unable to parse.  Try again.\")\n        .next()\n        .unwrap();\n\n    println!(\"PREPARING TO WRITE THE TARGET FILE...\");\n    let mut target_file = File::create(\"thisismytarget.ch8\").expect(\"Unable to create target\");\n\n    for record in file.into_inner() {\n        //  let mut working_instruction = Chip8CpuInstructions::XXXXERRORINSTRUCTION;\n        match record.as_rule() {\n            Rule::record =\u003e {\n                print!(\"record = {:?}\\t\", record.as_str());\n                let x = Chip8CpuInstructions::from_str(record.as_str());\n                println!(\"DECODED TO {:?} {:04x}\", x, x.encode());\n                let (high, low) = InstructionUtil::split_bytes(x.encode());\n                target_file\n                    .write_all(\u0026[high, low])\n                    .expect(\"Unable to write to the file.\");\n            }\n            _ =\u003e {}\n        }\n    }\n}\n","traces":[{"line":18,"address":[705528,705501,703472],"length":1,"stats":{"Line":0}},{"line":19,"address":[703479],"length":1,"stats":{"Line":0}},{"line":21,"address":[703530],"length":1,"stats":{"Line":0}},{"line":24,"address":[703692,703607],"length":1,"stats":{"Line":0}},{"line":29,"address":[703951],"length":1,"stats":{"Line":0}},{"line":30,"address":[703996],"length":1,"stats":{"Line":0}},{"line":32,"address":[704072,704351,704211,704307],"length":1,"stats":{"Line":0}},{"line":34,"address":[704407,704511],"length":1,"stats":{"Line":0}},{"line":36,"address":[704585,704540],"length":1,"stats":{"Line":0}},{"line":37,"address":[704705],"length":1,"stats":{"Line":0}},{"line":38,"address":[704788],"length":1,"stats":{"Line":0}},{"line":39,"address":[705345],"length":1,"stats":{"Line":0}},{"line":40,"address":[705453],"length":1,"stats":{"Line":0}},{"line":41,"address":[705418],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":14},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","ch8disasm.rs"],"content":"use std::path::Path;\nuse clap::{command, Parser};\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::XXXXERRORINSTRUCTION;\nuse gemma::chip8::quirk_modes::QuirkMode::Chip8;\n\n/// ch8disasm\n///\n/// Provide disassembled version of the CH8 file provided.\n#[derive(Parser)]\n#[command(version, about, long_about = None)]\nstruct DisassemblerApp {\n    #[arg(short)]\n    input_file: Box\u003cPath\u003e,\n    #[arg(short)]\n    output_file: Option\u003cBox\u003cPath\u003e\u003e,\n}\n\nstruct Disassembler {}\nimpl Disassembler {\n    pub fn disassemble(from_data: Vec\u003cu8\u003e) -\u003e String {\n        let mut working_instruction: u16 = 0x0000;\n\n        // read the input data and loop through it byte by byte.\n        let mut output_string = String::new();\n\n        for (offset, byte) in from_data.iter().enumerate() {\n            working_instruction = (working_instruction \u003c\u003c 8) | (*byte as u16);\n            if offset % 2 != 0 {\n                let decoded = Chip8CpuInstructions::decode(working_instruction, \u0026Chip8);\n                let decoded_string = decoded.to_string();\n                let mut current_parts = String::new();\n\n                match decoded {\n                    XXXXERRORINSTRUCTION =\u003e {\n                        current_parts = format!(\"DW 0x{:04x}\", working_instruction);\n                    }\n                    _ =\u003e {\n                        current_parts = format!(\"{}\", decoded);\n                    }\n                };\n\n                let target_length: i32 = 25;\n                let spacing_length = target_length.saturating_sub(current_parts.len() as i32);\n\n                // now add the rest after the string\n                let x = spacing_length as usize;\n                current_parts = format!(\"{}{:\u003cx$}; Bytes [0x{:04x}] offset [0x{:04x}]\\n\", current_parts, \" \", working_instruction, offset -1);\n                //   println!(\"SHOULD OUTPUT: [{current_parts}]\");\n                output_string = output_string.to_string() + \u0026*current_parts.to_string();\n\n                working_instruction = 0x0000;\n            }\n        }\n\n        output_string\n    }\n}\n\nfn main() {\n    println!(\"Taxation is Theft\");\n    let result = DisassemblerApp::parse();\n    println!(\"PREPARING TO DISASSEMBLE {:?}\", result.input_file.file_name());\n\n\n    let source_file = result.input_file.to_str().unwrap();\n    let decompiled_program = Disassembler::disassemble(\n        std::fs::read(source_file).unwrap()\n    );\n\n    match result.output_file {\n        None =\u003e {\n            println!(\"Output to console.\");\n            println!(\"OS: \\n\\n{}\", decompiled_program);\n        }\n        Some(target) =\u003e {\n            println!(\"Output to {:?}\", target);\n            std::fs::write(target, decompiled_program).unwrap();\n        }\n    }\n}","traces":[{"line":21,"address":[598848,602279],"length":1,"stats":{"Line":0}},{"line":22,"address":[598890],"length":1,"stats":{"Line":0}},{"line":25,"address":[598916],"length":1,"stats":{"Line":0}},{"line":27,"address":[598975,599341,599059],"length":1,"stats":{"Line":0}},{"line":28,"address":[599383],"length":1,"stats":{"Line":0}},{"line":29,"address":[599429],"length":1,"stats":{"Line":0}},{"line":30,"address":[599443],"length":1,"stats":{"Line":0}},{"line":31,"address":[599514],"length":1,"stats":{"Line":0}},{"line":32,"address":[599529],"length":1,"stats":{"Line":0}},{"line":34,"address":[599580],"length":1,"stats":{"Line":0}},{"line":36,"address":[599594,600034,599691],"length":1,"stats":{"Line":0}},{"line":38,"address":[600462],"length":1,"stats":{"Line":0}},{"line":39,"address":[599637,600320,600199],"length":1,"stats":{"Line":0}},{"line":43,"address":[598879],"length":1,"stats":{"Line":0}},{"line":44,"address":[600472,600540,600184],"length":1,"stats":{"Line":0}},{"line":47,"address":[600547],"length":1,"stats":{"Line":0}},{"line":48,"address":[600557,601706],"length":1,"stats":{"Line":0}},{"line":50,"address":[602238,601848],"length":1,"stats":{"Line":0}},{"line":52,"address":[602187],"length":1,"stats":{"Line":0}},{"line":56,"address":[599284],"length":1,"stats":{"Line":0}},{"line":60,"address":[603905,602304,603835],"length":1,"stats":{"Line":0}},{"line":61,"address":[602311],"length":1,"stats":{"Line":0}},{"line":62,"address":[602375],"length":1,"stats":{"Line":0}},{"line":63,"address":[602503,602396],"length":1,"stats":{"Line":0}},{"line":66,"address":[602763,602611],"length":1,"stats":{"Line":0}},{"line":68,"address":[602787],"length":1,"stats":{"Line":0}},{"line":71,"address":[603052],"length":1,"stats":{"Line":0}},{"line":73,"address":[603222,603081],"length":1,"stats":{"Line":0}},{"line":74,"address":[603241],"length":1,"stats":{"Line":0}},{"line":76,"address":[603107],"length":1,"stats":{"Line":0}},{"line":77,"address":[603419,603171],"length":1,"stats":{"Line":0}},{"line":78,"address":[603488],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":32},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","tests","assmber_tests.rs"],"content":"","traces":[],"covered":0,"coverable":0}]};
+        var data = {"files":[{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","bin","speedtest.rs"],"content":"use gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::fs::File;\nuse std::io::Read;\nuse std::ops::Add;\nuse std::path::Path;\nuse std::time::{Duration, Instant};\n\nconst ROM_ROOT: \u0026str = \"resources/roms\";\n\nfn main() {\n    let mut x = Chip8ComputerManager::new();\n\n    let mut buffer = Vec::new();\n    let mut input_file =\n        File::open(Path::new(\u0026(ROM_ROOT.to_string() + \"/mandelbrot_bench.ch8\"))).expect(\"derp\");\n    input_file\n        .read_to_end(\u0026mut buffer)\n        .expect(\"unable to read file\");\n    x.load_new_program_to_system_memory((\u0026*buffer).into());\n\n    for _ in 0..10 {\n        let start_time = Instant::now();\n        let mut num_cycles = 0;\n        // how many instructions in 10s.\n        let end_time = start_time.add(Duration::from_secs(10));\n        while Instant::now().le(\u0026end_time) {\n            num_cycles += 1;\n            x.step();\n        }\n\n        let num = num_cycles\n            .to_string()\n            .as_bytes()\n            .rchunks(3)\n            .rev()\n            .map(std::str::from_utf8)\n            .collect::\u003cResult\u003cVec\u003c\u0026str\u003e, _\u003e\u003e()\n            .unwrap()\n            .join(\",\"); // separator\n\n        let num_ips = num_cycles / 1000000;\n        println!(\"Completed at {num_ips} Mips. ({num})\");\n    }\n}\n","traces":[{"line":10,"address":[880112,881936,881871],"length":1,"stats":{"Line":0}},{"line":11,"address":[880119],"length":1,"stats":{"Line":0}},{"line":13,"address":[880136],"length":1,"stats":{"Line":0}},{"line":14,"address":[880271,880199],"length":1,"stats":{"Line":0}},{"line":16,"address":[880531],"length":1,"stats":{"Line":0}},{"line":19,"address":[880616],"length":1,"stats":{"Line":0}},{"line":21,"address":[880716],"length":1,"stats":{"Line":0}},{"line":22,"address":[880869,880939],"length":1,"stats":{"Line":0}},{"line":23,"address":[880968],"length":1,"stats":{"Line":0}},{"line":25,"address":[880984],"length":1,"stats":{"Line":0}},{"line":26,"address":[881062],"length":1,"stats":{"Line":0}},{"line":27,"address":[881166,881910,881884],"length":1,"stats":{"Line":0}},{"line":28,"address":[881891,881931],"length":1,"stats":{"Line":0}},{"line":31,"address":[881477,881272,881159,881201],"length":1,"stats":{"Line":0}},{"line":41,"address":[881628,881717],"length":1,"stats":{"Line":0}},{"line":42,"address":[881690,881737],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":16},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","bin","testcompression.rs"],"content":"/// TestCompression\n///\n/// Utility for [de]compressing tests for Gemma\n///\n/// Usage: testcompression \u003cCOMMAND\u003e\n//\n// Commands:\n//   compress    Compress the input string\n//   decompress  Decompress the input string (must be compressed format)\n//   help        Print this message or the help of the given subcommand(s)\n//\n// Options:\n//   -h, --help     Print help\n//   -V, --version  Print version\n///\n/// Limitations:\n///  - Uncompressed files must only contain printable ASCII characters\n///  - Stuff I don't know about yet\n\n\nuse std::fs;\nuse std::fs::File;\nuse clap::{Parser, Subcommand};\nuse std::path::{Path, PathBuf};\nuse std::io::prelude::*;\nuse std::io::Read;\nuse std::io::Write;\nuse flate2::Compression;\nuse flate2::write::{DeflateEncoder, GzEncoder, ZlibEncoder};\nuse gemma::constants::{TESTS_ROOT, TEST_ROM_ROOT};\nuse flate2::read::{DeflateDecoder};\nuse std::io::prelude::*;\nuse std::io;\nuse std::ptr::write;\nuse log::{debug, info};\n\n#[derive(Parser)]\n#[command(author, version, about = \"Compress or decompress a string\", long_about = None)]\nstruct Cli {\n    /// Subcommand: either 'compress' or 'decompress'\n    #[command(subcommand)]\n    command: Commands,\n}\n\n#[derive(Subcommand)]\nenum Commands {\n    /// Compress the input file\n    Compress {\n        /// The string to compress, in plain text\n        input: PathBuf,\n    },\n    /// Decompress the input file\n    Decompress {\n        /// The compressed string to decompress, in hex format\n        input: PathBuf,\n    }\n}\n\nfn compress_file(input_path: \u0026PathBuf) -\u003e io::Result\u003c()\u003e {\n    let compressed_bytes= compress_file_to_array(input_path);\n    let output_filename = input_path.with_extension(\"deflated\");\n    let mut output_file = File::create(\u0026output_filename)?;\n    output_file.write_all(\u0026compressed_bytes.unwrap())?;\n    Ok(())\n}\n\nfn compress_file_to_array(input_path: \u0026Path) -\u003e Result\u003cVec\u003cu8\u003e, String\u003e {\n    let mut file = File::open(input_path)\n        .map_err(|e| std::io::Error::new(e.kind(), format!(\"Unable to open input path [{}]: {}\", input_path.display(), e)));\n\n    let mut read_buffer = Vec::new();\n    let mut write_buffer = Vec::new();\n    file.unwrap().read_to_end(\u0026mut read_buffer)\n        .map_err(|e| std::io::Error::new(e.kind(), format!(\"Unable to read input file [{}]: {}\", input_path.display(), e)));\n\n    let mut encoder = DeflateEncoder::new(read_buffer, Compression::default());\n    encoder.write_all(\u0026write_buffer)\n        .map_err(|e| std::io::Error::new(e.kind(), format!(\"Unable to compress data for [{}]: {}\", input_path.display(), e)));\n\n    debug!(\"Compressed file from path: {}\", input_path.display());\n    Ok(write_buffer)\n}\n\nfn decompress_file_to_array(input_path: \u0026Path) -\u003e Vec\u003cu8\u003e {\n    let file = File::open(input_path)\n        .map_err(|e| std::io::Error::new(e.kind(), format!(\"Unable to open input path [{}]: {}\", input_path.display(), e)));\n\n    let mut decoder = DeflateDecoder::new(file.unwrap());\n    let mut return_vec = Vec::new();\n    decoder.read_to_end(\u0026mut return_vec)\n        .map_err(|e| std::io::Error::new(e.kind(), format!(\"Unable to decompress data for [{}]: {}\", input_path.display(), e)));\n\n    debug!(\"Decompressed file from path: {}\", input_path.display());\n    return_vec\n}\n\nfn decompress_file(input_path: \u0026PathBuf) -\u003e io::Result\u003c()\u003e {\n    let decompressed_bytes = decompress_file_to_array(input_path);\n    let output_path = input_path.with_extension(\"inflated\");\n    let mut output_file = File::create(\u0026output_path)?;\n    output_file.write_all(\u0026decompressed_bytes).expect(format!(\"Unable to write compressed data to [{}]\", output_path.display()).as_str());\n    Ok(())\n}\n\nfn main() {\n    pretty_env_logger::init();\n\n    let cli = Cli::parse();\n\n    match cli.command {\n        Commands::Compress { input } =\u003e {\n            compress_file(\u0026input).expect(format!(\"Unable to compress {}\", input.display()).as_str());\n        }\n        Commands::Decompress { input } =\u003e {\n            decompress_file(\u0026input).expect(format!(\"Unable to decompress {}\", input.display()).as_str());\n        }\n    }\n}\n","traces":[{"line":59,"address":[1064432,1065250,1065197],"length":1,"stats":{"Line":0}},{"line":60,"address":[1064452],"length":1,"stats":{"Line":0}},{"line":61,"address":[1064491,1064559],"length":1,"stats":{"Line":0}},{"line":62,"address":[1065211,1064597,1064658,1064763],"length":1,"stats":{"Line":0}},{"line":63,"address":[1065138,1064699,1064849],"length":1,"stats":{"Line":0}},{"line":64,"address":[1065069],"length":1,"stats":{"Line":0}},{"line":67,"address":[1066680,1065280,1066755],"length":1,"stats":{"Line":0}},{"line":68,"address":[1065335],"length":1,"stats":{"Line":0}},{"line":69,"address":[1052368,1052395],"length":1,"stats":{"Line":0}},{"line":71,"address":[1065437],"length":1,"stats":{"Line":0}},{"line":72,"address":[1065497],"length":1,"stats":{"Line":0}},{"line":73,"address":[1065562,1065666,1065777],"length":1,"stats":{"Line":0}},{"line":74,"address":[1052747,1052720],"length":1,"stats":{"Line":0}},{"line":76,"address":[1065858,1066689],"length":1,"stats":{"Line":0}},{"line":77,"address":[1066005,1066092],"length":1,"stats":{"Line":0}},{"line":78,"address":[1053072,1053099],"length":1,"stats":{"Line":0}},{"line":80,"address":[1066318,1066169],"length":1,"stats":{"Line":0}},{"line":81,"address":[1066229],"length":1,"stats":{"Line":0}},{"line":84,"address":[1066784,1067575],"length":1,"stats":{"Line":0}},{"line":85,"address":[1066827],"length":1,"stats":{"Line":0}},{"line":86,"address":[1053451,1053424],"length":1,"stats":{"Line":0}},{"line":88,"address":[1066893],"length":1,"stats":{"Line":0}},{"line":89,"address":[1066924],"length":1,"stats":{"Line":0}},{"line":90,"address":[1067077,1066999],"length":1,"stats":{"Line":0}},{"line":91,"address":[1053776,1053803],"length":1,"stats":{"Line":0}},{"line":93,"address":[1067257,1067139],"length":1,"stats":{"Line":0}},{"line":94,"address":[1067196],"length":1,"stats":{"Line":0}},{"line":97,"address":[1068519,1068570,1067600],"length":1,"stats":{"Line":0}},{"line":98,"address":[1067620],"length":1,"stats":{"Line":0}},{"line":99,"address":[1067651,1067719],"length":1,"stats":{"Line":0}},{"line":100,"address":[1068533,1067894,1067827,1067763],"length":1,"stats":{"Line":0}},{"line":101,"address":[1067868,1067998,1068478],"length":1,"stats":{"Line":0}},{"line":102,"address":[1068407],"length":1,"stats":{"Line":0}},{"line":105,"address":[1068592,1069240],"length":1,"stats":{"Line":0}},{"line":106,"address":[1068599],"length":1,"stats":{"Line":0}},{"line":108,"address":[1068621],"length":1,"stats":{"Line":0}},{"line":110,"address":[1068631],"length":1,"stats":{"Line":0}},{"line":111,"address":[1068639],"length":1,"stats":{"Line":0}},{"line":112,"address":[1069199,1068676,1068789],"length":1,"stats":{"Line":0}},{"line":114,"address":[1068688],"length":1,"stats":{"Line":0}},{"line":115,"address":[1069713,1069308,1068725],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":41},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","computer.rs"],"content":"use crate::chip8::delay_timer::DelayTimer;\nuse crate::chip8::keypad::Keypad;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8::sound_timer::SoundTimer;\nuse crate::chip8::stack::Chip8Stack;\nuse log::debug;\nuse serde::{Deserialize, Serialize};\nuse super::{\n    cpu_states::Chip8CpuStates, instructions::Chip8CpuInstructions,\n    system_memory::Chip8SystemMemory, video::Chip8Video,\n};\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8Computer {\n    pub num_cycles: i32,\n    pub memory: Chip8SystemMemory,\n    pub registers: Chip8Registers,\n    pub sound_timer: SoundTimer,\n    pub delay_timer: DelayTimer,\n    pub video_memory: Chip8Video,\n    pub state: Chip8CpuStates,\n    pub keypad: Keypad,\n    pub stack: Chip8Stack,\n    pub quirk_mode: QuirkMode,\n}\n\nimpl PartialEq for Chip8Computer {\n    fn eq(\u0026self, other: \u0026Self) -\u003e bool {\n        self.video_memory.format_as_string() == other.video_memory.format_as_string() \u0026\u0026\n            self.keypad.format_as_string() == other.keypad.format_as_string() \u0026\u0026\n            self.num_cycles == other.num_cycles \u0026\u0026\n            self.memory == other.memory\n    }\n}\n\nimpl Default for Chip8Computer {\n    fn default() -\u003e Self {\n        Self {\n            num_cycles: 0,\n            memory: Chip8SystemMemory::default(),\n            video_memory: Chip8Video::default(),\n            registers: Chip8Registers::default(),\n            sound_timer: SoundTimer::new(),\n            delay_timer: DelayTimer::new(),\n            state: Chip8CpuStates::default(),\n            keypad: Keypad::default(),\n            stack: Chip8Stack::default(),\n            quirk_mode: QuirkMode::default(),\n        }\n    }\n}\n\nimpl Chip8Computer {\n    pub fn reset(\u0026mut self, quirk_mode: QuirkMode) {\n        self.video_memory.reset();\n        self.num_cycles = 0;\n        self.registers.reset();\n        self.delay_timer.reset();\n        self.sound_timer.reset();\n        self.stack.reset();\n        self.memory.reset(quirk_mode);\n        self.quirk_mode = quirk_mode;\n    }\n\n    pub fn dump_keypad_to_string(\u0026self) -\u003e String {\n        self.keypad.format_as_string()\n    }\n\n    pub fn dump_registers_to_string(\u0026self) -\u003e String {\n        self.registers.format_as_string()\n    }\n\n    pub fn dump_video_to_string(\u0026self) -\u003e String {\n        self.clone().video_memory.format_as_string()\n    }\n\n    pub fn dump_state_to_json(\u0026self) -\u003e String {\n        serde_json::to_string(self).unwrap()\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8Computer::default()\n    }\n\n    pub fn load_bytes_to_memory(\u0026mut self, offset: u16, to_load: \u0026Vec\u003cu8\u003e) {\n        let total_len = to_load.len() as u16;\n        for current_index in 0..total_len {\n            let new_value = to_load[current_index as usize];\n            let new_location = current_index + offset;\n            self.memory.poke(new_location, new_value);\n        }\n        self.registers.set_pc(offset);\n    }\n\n\n    pub fn step_system(\u0026mut self) -\u003e \u0026mut Chip8Computer {\n        // println!(\"Stepping System 1 Step\");\n        // read the next instruction\n        let local_memory = \u0026self.memory;\n\n        //    let mut working_instruction: u16 = 0b0000000000000000;\n        let start_pc = self.registers.peek_pc();\n        let high_byte = (local_memory.peek(start_pc) as u16).rotate_left(8);\n        let low_byte = local_memory.peek(start_pc + 1) as u16;\n        let result = high_byte | low_byte;\n        let decoded_instruction = Chip8CpuInstructions::decode(result, \u0026self.quirk_mode);\n        // todo: THIS IS BAD AND IS A SIDE EFFECT\n        decoded_instruction.execute(self);\n\n        match self.state {\n            Chip8CpuStates::WaitingForInstruction =\u003e {\n                //     println!(\"Ticking sound, delay, video\");\n                self.sound_timer.tick();\n                self.delay_timer.tick();\n                self.video_memory.tick();\n                self.num_cycles += 1;\n            }\n            Chip8CpuStates::WaitingForKey =\u003e {\n                debug!(\"waiting for a key press...\");\n            }\n            _ =\u003e {}\n        }\n        self\n    }\n}\n","traces":[{"line":29,"address":[1449467,1448912],"length":1,"stats":{"Line":2}},{"line":30,"address":[1421127],"length":1,"stats":{"Line":2}},{"line":31,"address":[3241835],"length":1,"stats":{"Line":2}},{"line":32,"address":[981894],"length":1,"stats":{"Line":2}},{"line":33,"address":[1501937],"length":1,"stats":{"Line":2}},{"line":38,"address":[1244643,1244176],"length":1,"stats":{"Line":23}},{"line":41,"address":[1449521],"length":1,"stats":{"Line":27}},{"line":42,"address":[1425343],"length":1,"stats":{"Line":26}},{"line":43,"address":[1449592],"length":1,"stats":{"Line":26}},{"line":44,"address":[1244318],"length":1,"stats":{"Line":14}},{"line":45,"address":[1216989],"length":1,"stats":{"Line":26}},{"line":46,"address":[1433532],"length":1,"stats":{"Line":14}},{"line":47,"address":[1244364],"length":1,"stats":{"Line":26}},{"line":48,"address":[2882523],"length":1,"stats":{"Line":14}},{"line":49,"address":[1924482],"length":1,"stats":{"Line":26}},{"line":55,"address":[1294000],"length":1,"stats":{"Line":3}},{"line":56,"address":[1294025],"length":1,"stats":{"Line":3}},{"line":57,"address":[1229032],"length":1,"stats":{"Line":2}},{"line":58,"address":[1574559],"length":1,"stats":{"Line":5}},{"line":59,"address":[3242718],"length":1,"stats":{"Line":2}},{"line":60,"address":[1582557],"length":1,"stats":{"Line":5}},{"line":61,"address":[1229084],"length":1,"stats":{"Line":2}},{"line":62,"address":[37686559],"length":1,"stats":{"Line":2}},{"line":63,"address":[1582609],"length":1,"stats":{"Line":2}},{"line":66,"address":[1450144],"length":1,"stats":{"Line":1}},{"line":67,"address":[1294161],"length":1,"stats":{"Line":1}},{"line":70,"address":[1422368],"length":1,"stats":{"Line":1}},{"line":71,"address":[1450209],"length":1,"stats":{"Line":1}},{"line":74,"address":[1426048,1426164],"length":1,"stats":{"Line":2}},{"line":75,"address":[1426077],"length":1,"stats":{"Line":2}},{"line":78,"address":[1422560],"length":1,"stats":{"Line":0}},{"line":79,"address":[4512819],"length":1,"stats":{"Line":0}},{"line":82,"address":[1426256],"length":1,"stats":{"Line":21}},{"line":83,"address":[1434312],"length":1,"stats":{"Line":30}},{"line":86,"address":[37686928],"length":1,"stats":{"Line":2}},{"line":87,"address":[982957],"length":1,"stats":{"Line":6}},{"line":88,"address":[1217864,1217950],"length":1,"stats":{"Line":10}},{"line":89,"address":[2883453],"length":1,"stats":{"Line":2}},{"line":90,"address":[1218057,1218006],"length":1,"stats":{"Line":7}},{"line":91,"address":[1583192],"length":1,"stats":{"Line":2}},{"line":93,"address":[2883415],"length":1,"stats":{"Line":7}},{"line":97,"address":[37687200],"length":1,"stats":{"Line":2}},{"line":100,"address":[1583252],"length":1,"stats":{"Line":6}},{"line":103,"address":[1450780],"length":1,"stats":{"Line":2}},{"line":104,"address":[1245480],"length":1,"stats":{"Line":6}},{"line":105,"address":[1925812,1925622],"length":1,"stats":{"Line":2}},{"line":106,"address":[37687368],"length":1,"stats":{"Line":6}},{"line":107,"address":[1583416],"length":1,"stats":{"Line":2}},{"line":109,"address":[1426780],"length":1,"stats":{"Line":2}},{"line":111,"address":[1451015],"length":1,"stats":{"Line":2}},{"line":112,"address":[1677254],"length":1,"stats":{"Line":6}},{"line":114,"address":[1426886],"length":1,"stats":{"Line":2}},{"line":115,"address":[37687541],"length":1,"stats":{"Line":6}},{"line":116,"address":[1423284],"length":1,"stats":{"Line":2}},{"line":117,"address":[37687571,37687643,37687635],"length":1,"stats":{"Line":8}},{"line":120,"address":[3243795,3243867],"length":1,"stats":{"Line":2}}],"covered":54,"coverable":56},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","computer_manager.rs"],"content":"use std::fs::File;\nuse std::io::{BufReader, Read};\nuse std::path::Path;\nuse crate::chip8::computer::Chip8Computer;\nuse crate::chip8::cpu_states::Chip8CpuStates;\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForInstruction;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse std::thread;\nuse std::thread::sleep;\nuse std::time::{Duration, Instant};\n\npub enum ManagerDumpables {\n    Video,\n    Registers,\n    Keyboard,\n}\n\npub struct Chip8ComputerManager {\n    pub core_should_run: bool,\n    one_step: bool,\n    core_last_cycle_start: Instant,\n    computer: Chip8Computer,\n}\n\nimpl Default for Chip8ComputerManager {\n    fn default() -\u003e Self {\n        Chip8ComputerManager {\n            core_should_run: false,\n            one_step: false,\n            core_last_cycle_start: Instant::now(),\n            computer: Chip8Computer::new(),\n        }\n    }\n}\n\nimpl Chip8ComputerManager {\n\n    /// Builds a string that can be displayed at a console giving the user\n    /// an idea of the internal state of the Chip-8 Computer\n    pub fn status_as_string(\u0026self) -\u003e String {\n        // build a string\n        format!(\"Should Run: {}\\nNum Cycles: {}\\nRegisters\\n{}\\nTimers: {}/{}\\nKeypad: \\n{}\\nVideo:\\n{}\",\n            self.core_should_run,\n            self.computer.num_cycles,\n            self.computer.registers.format_as_string(),\n            self.computer.delay_timer.current(),\n            self.computer.sound_timer.current(),\n            self.computer.keypad.format_as_string(),\n            self.computer.video_memory.format_as_string()\n        )\n    }\n\n    pub fn quirks_mode(\u0026self) -\u003e QuirkMode {\n        self.computer.quirk_mode.clone()\n    }\n\n    pub fn reset(\u0026mut self, mode: QuirkMode) {\n        self.one_step = false;\n        self.core_should_run = false;\n        self.computer.reset(mode);\n    }\n    pub fn new() -\u003e Chip8ComputerManager {\n        let _ = thread::spawn(move || loop {\n            let start_time = Instant::now();\n            let sleep_time = Instant::now().duration_since(start_time).as_millis();\n            sleep(Duration::from_millis((16 - sleep_time) as u64));\n        });\n\n        Chip8ComputerManager::default()\n    }\n\n    pub fn start(\u0026mut self) {\n        self.core_should_run = true;\n    }\n\n    pub fn stop(\u0026mut self) {\n        self.core_should_run = false\n    }\n\n    pub fn step(\u0026mut self) {\n        self.one_step = true;\n    }\n\n    pub fn state(\u0026mut self) -\u003e \u0026Chip8Computer {\n        \u0026self.computer\n    }\n\n    pub fn tick(\u0026mut self) -\u003e bool {\n        //   println!(\"STARTING TICK\");\n        let mut did_tick: bool = false;\n        if self.one_step | self.core_should_run {\n            if let WaitingForInstruction = self.computer.state {\n                self.core_last_cycle_start = Instant::now();\n                self.computer.step_system();\n                did_tick = true\n                //   println!(\"SYSTEM STEP\");\n            }\n        };\n        if self.one_step {\n            println!(\"SYSTEM HALTED AFTER 1 STEP\");\n            // stop the CPU for the next cycle, we are only\n            // wanting one step.\n            self.one_step = false;\n            did_tick = true;\n        }\n        did_tick\n    }\n\n    pub fn press_key(\u0026mut self, key_index: u8) {\n        self.computer.keypad.push_key(key_index);\n        if matches!(self.computer.state, Chip8CpuStates::WaitingForKey) {\n            self.computer.state = WaitingForInstruction\n        }\n    }\n    pub fn release_key(\u0026mut self, key_index: u8) {\n        self.computer.keypad.release_key(key_index);\n    }\n\n    pub fn sound(managed: \u0026Chip8ComputerManager) -\u003e bool {\n        managed.computer.sound_timer.current() \u003e 0\n    }\n\n    pub fn wait_for_instruction(\u0026mut self) {\n        self.computer.state = WaitingForInstruction;\n    }\n\n    pub fn is_key_pressed(\u0026self, key_index: u8) -\u003e bool {\n        self.computer.keypad.pressed(key_index)\n    }\n\n    pub fn num_cycles(\u0026self) -\u003e i32 {\n        self.computer.num_cycles\n    }\n\n    pub fn load_new_program_to_system_memory(\u0026mut self, bytes_to_load: Vec\u003cu8\u003e) {\n        self.reset(self.computer.quirk_mode.clone());\n        self.computer.load_bytes_to_memory(0x200, \u0026bytes_to_load);\n    }\n\n    pub fn dump_to_string(\u0026self, dump_type: ManagerDumpables) -\u003e String {\n        match dump_type {\n            ManagerDumpables::Video =\u003e self.computer.video_memory.format_as_string(),\n            ManagerDumpables::Registers =\u003e self.computer.registers.format_as_string(),\n            ManagerDumpables::Keyboard =\u003e self.computer.keypad.format_as_string(),\n        }\n    }\n\n    pub fn load_new_program_from_disk_to_system_memory(\u0026mut self, file_to_load: \u0026Path) {\n        // load the file into bytes...\n        let file = File::open(file_to_load).unwrap();\n        let mut reader = BufReader::new(file);\n        let mut chunks = Vec::new();\n\n        loop {\n            let mut buffer = vec![0u8; 1];\n            let bytes_read = reader.read(\u0026mut buffer).unwrap_or(0);\n            if bytes_read == 0 {\n                break;\n            }\n            buffer.truncate(bytes_read);\n            chunks.push(buffer[0]);\n        }\n\n        self.load_new_program_to_system_memory(chunks);\n        // ...then use the existing method\n        self.core_should_run = true;\n    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serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Default, Serialize, Deserialize, Debug)]\npub enum Chip8CpuStates {\n    #[default]\n    WaitingForInstruction,\n    WaitingForKey,\n    ExecutingInstruction,\n    Error,\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","delay_timer.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub struct DelayTimer {\n    counter: u8,\n}\n\nimpl Default for DelayTimer {\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}\n\nimpl DelayTimer {\n    pub fn current(\u0026self) -\u003e u8 {\n        self.counter\n    }\n\n    pub fn new() -\u003e Self {\n        DelayTimer { counter: 0xff }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.counter = 0xff;\n    }\n\n    pub fn set_timer(\u0026mut self, new_value: u8) {\n        self.counter = new_value\n    }\n\n    pub fn tick(\u0026mut self) {\n        if self.counter \u003e 0 {\n            self.counter -= 1;\n        }\n    }\n}\n","traces":[{"line":9,"address":[4508416],"length":1,"stats":{"Line":2}},{"line":10,"address":[1227185],"length":1,"stats":{"Line":2}},{"line":15,"address":[2878640],"length":1,"stats":{"Line":3}},{"line":16,"address":[4508437],"length":1,"stats":{"Line":4}},{"line":23,"address":[1448480],"length":1,"stats":{"Line":5}},{"line":24,"address":[1485781],"length":1,"stats":{"Line":2}},{"line":27,"address":[4508480],"length":1,"stats":{"Line":4}},{"line":28,"address":[1227260],"length":1,"stats":{"Line":4}},{"line":31,"address":[1418448],"length":1,"stats":{"Line":4}},{"line":32,"address":[4508510,4508551],"length":1,"stats":{"Line":17}},{"line":33,"address":[511085,511113],"length":1,"stats":{"Line":5}}],"covered":11,"coverable":11},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","instructions.rs"],"content":"use crate::chip8::computer::Chip8Computer;\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForKey;\nuse crate::chip8::instructions::Chip8CpuInstructions::*;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse crate::chip8::util::InstructionUtil;\nuse crate::constants::*;\nuse log::debug;\nuse rand::Rng;\nuse serde::{Deserialize, Serialize};\nuse std::fmt::{Debug, Display, Formatter};\nuse std::ops::BitAnd;\n\n/*\nnnn or addr - A 12-bit value, the lowest 12 bits of the instruction\nn or nibble - A 4-bit value, the lowest 4 bits of the instruction\nx - A 4-bit value, the lower 4 bits of the high byte of the instruction\ny - A 4-bit value, the upper 4 bits of the low byte of the instruction\nkk or byte - An 8-bit value, the lowest 8 bits of the instruction\n */\n\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub enum Chip8CpuInstructions {\n    /// 0nnn\n    /// Exit to System Call at nnn\n    SYS(u16),\n    /// 00E0\n    /// Clear the display.\n    CLS,\n    /// 00EE\n    /// Return from a subroutine.\n    ///\n    /// The interpreter sets the program counter to the address at the top of the stack,\n    /// then subtracts 1 from the stack pointer.\n    RET,\n    /// 1nnn\n    /// Jump to location nnn.\n    ///\n    /// The interpreter sets the program counter to nnn.\n    JPA(u16),\n    /// 2nnn\n    /// Call subroutine at nnn.\n    ///\n    /// The interpreter increments the stack pointer, then puts the current PC on the top\n    /// of the stack. The PC is then set to nnn.\n    CALL(u16),\n    /// 0x3xkk\n    /// Skip next instruction if Vx = kk.\n    ///\n    /// The interpreter compares register Vx to kk, and if they are equal, increments the\n    /// program counter by 2.\n    SEX(u8, u8),\n    /// 4xkk\n    /// Skip next instruction if Vx != kk.\n    ///\n    /// The interpreter compares register Vx to kk, and if they are not equal, increments\n    /// the program counter by 2.\n    SNEB(u8, u8),\n    /// 5xy0\n    /// Skip next instruction if Vx = Vy.\n    ///\n    /// The interpreter compares register Vx to register Vy, and if they are equal, increments\n    /// the program counter by 2.\n    SEY(u8, u8),\n    /// 6xkk\n    /// Set Vx = kk\n    LDR(u8, u8),\n    /// 7xkk\n    /// The interpreter puts the value kk into register Vx.\n    ADD(u8, u8),\n    /// 8xy0\n    /// Adds the value kk to the value of register Vx, then stores the result in Vx.\n    LDRY(u8, u8),\n    /// 8xy1\n    /// Stores the value of register Vy in register Vx.\n    OR(u8, u8),\n    /// 8xy2\n    /// Set Vx = Vx OR Vy.\n    ///\n    /// Performs a bitwise OR on the values of Vx and Vy, then stores the result in Vx.\n    /// A bitwise OR compares the corrseponding bits from two values, and if either\n    /// bit is 1, then the same bit in the result is also 1. Otherwise, it is 0.\n    AND(u8, u8),\n    /// 8xy3\n    /// Set Vx = Vx AND Vy.\n    ///\n    /// Performs a bitwise AND on the values of Vx and Vy, then stores the result in Vx.\n    /// A bitwise AND compares the corrseponding bits from two values, and if both bits\n    /// are 1, then the same bit in the result is also 1. Otherwise, it is 0.\n    ORY(u8, u8),\n    /// 8xy4\n    /// Set Vx = Vx XOR Vy.\n    ///\n    /// Performs a bitwise exclusive OR on the values of Vx and Vy, then stores the\n    /// result in Vx. An exclusive OR compares the corrseponding bits from two values,\n    /// and if the bits are not both the same, then the corresponding bit in the result\n    /// is set to 1. Otherwise, it is 0.\n    ADDR(u8, u8),\n    /// 8xy5\n    /// Set Vx = Vx + Vy, set VF = carry.\n    ///\n    /// The values of Vx and Vy are added together. If the result is greater than 8 bits\n    /// (i.e., \u003e 255,) VF is set to 1, otherwise 0. Only the lowest 8 bits of the result\n    /// are kept, and stored in Vx.\n    SUB(u8, u8),\n    /// 8xy6\n    /// Set Vx = Vx - Vy, set VF = NOT borrow.\n    ///\n    /// If Vx \u003e Vy, then VF is set to 1, otherwise 0. Then Vy is subtracted from Vx, and the\n    /// results stored in Vx.\n    SHR(u8, u8),\n    /// 8xy7\n    /// If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx\n    /// is divided by 2.\n    SUBC(u8, u8),\n    /// 8xye\n    /// Set Vx = Vy - Vx, set VF = NOT borrow.\n    //\n    /// If Vy \u003e Vx, then VF is set to 1, otherwise 0. Then Vx is subtracted from Vy, and the\n    /// results stored in Vx.\n    SHL(u8, u8),\n    /// 9xy0\n    /// Skip next instruction if Vx != Vy.\n    ///\n    /// The values of Vx and Vy are compared, and if they are not equal, the program\n    /// counter is increased by 2.\n    SNEY(u8, u8),\n    /// Annn\n    /// Set I = nnn.\n    ///\n    /// The value of register I is set to nnn\n    LDIA(u16),\n    /// Bnnn\n    /// Jump to location nnn + V0.\n    ///\n    /// The program counter is set to nnn plus the value of V0.\n    JPI(u16),\n    /// Cxkk\n    /// Set Vx = random byte AND kk.\n    ///\n    /// The interpreter generates a random number from 0 to 255, which is then\n    /// ANDed with the value kk. The results are stored in Vx. See instruction\n    /// 8xy2 for more information on AND.\n    RND(u8, u8),\n    /// Dxyn\n    /// Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision.\n    ///\n    /// In Chip-8,\n    ///\n    /// The interpreter reads n bytes from memory, starting at the address stored in I.\n    /// These bytes are then displayed as sprites on screen at coordinates (Vx, Vy).\n    /// Sprites are XORed onto the existing screen. If this causes any pixels to be erased,\n    /// VF is set to 1, otherwise it is set to 0. If the sprite is positioned so part of\n    /// it is outside the coordinates of the display, it wraps around to the opposite side\n    /// of the screen. See instruction 8xy3 for more information on XOR, and section 2.4,\n    /// Display, for more information on the Chip-8 screen and sprites.\n    ///\n    /// In SCHIP\n    ///\n    /// Show N-byte sprite from M(I) at Coords (VX,VY) VF = Collision.\n    /// If N=0 AND ExtendedMode, 16x16 sprite\n    DRW(u8, u8, u8),\n    /// Ex9E\n    /// Skip next instruction if key with the value of Vx is pressed.\n    ///\n    /// Checks the keyboard, and if the key corresponding to the value of Vx is currently\n    /// in the down position, PC is increased by 2.\n    SKP(u8),\n    /// ExA1\n    /// Skip next instruction if key with the value of Vx is not pressed.\n    ///\n    /// Checks the keyboard, and if the key corresponding to the value of Vx is currently in\n    /// the up position, PC is increased by 2.\n    /// On XO Chip, Skips 2 more bytes when the instruction is 4 bytes long\n    SKNP(u8),\n    /// Fx07\n    /// The value of DT is placed into Vx.\n    LDRD(u8),\n    /// Fx0A\n    /// Wait for a key press, store the value of the key in Vx.\n    ///\n    /// All execution stops until a key is pressed, then the value of that key is stored in Vx.\n    LDRK(u8),\n    /// Fx15\n    /// Set delay timer = Vx.\n    ///\n    /// DT is set equal to the value of Vx.\n    LDD(u8), // 0xFx15 Set Delay Timer\n    /// Fx18\n    /// Set sound timer = Vx.\n    ///\n    /// ST is set equal to the value of Vx.\n    LDIS(u8),\n    /// Fx1E - ADD I, Vx\n    /// Set I = I + Vx.\n    ///\n    /// The values of I and Vx are added, and the results are stored in I.\n    ADDI(u8),\n    /// Fx29 - LD F, Vx\n    /// Set I = location of sprite for digit Vx.\n    ///\n    /// The value of I is set to the location for the hexadecimal sprite\n    /// corresponding to the value of Vx. See section 2.4, Display, for\n    /// more information on the Chip-8 hexadecimal font.\n    LDFX(u8),\n    /// Fx33 - LD B, Vx\n    /// Store BCD representation of Vx in memory locations I, I+1, and I+2.\n    ///\n    /// The interpreter takes the decimal value of Vx, and places the hundreds\n    /// digit in memory at location in I, the tens digit at location I+1, and the\n    /// ones digit at location I+2.\n    BCD(u8),\n    /// Fx55 - LD [I], Vx\n    /// Store registers V0 through Vx in memory starting at location I.\n    ///\n    /// The interpreter copies the values of registers V0 through Vx into memory,\n    /// starting at the address in I.\n    LDIX(u8),\n    /// Fx65 - LD Vx, [I]\n    /// Read registers V0 through Vx from memory starting at location I.\n    ///\n    /// The interpreter reads values from memory starting at location I into registers\n    /// V0 through Vx.\n    LDRI(u8),\n    XXXXERRORINSTRUCTION,\n    // 00Dn - CHIP8 - SCHIP * XOCHIP\n    /* START OF SCHIP-8 */\n    /// 00CN - CHIP8 * SCHIP * XOCHIP\n    ///\n    /// Scrolll Display N Lines Down\n    SCD(u8),\n    /// 00FB\n    ///\n    /// Scroll 4 lines Right\n    SCR,\n    /// 00FC\n    ///\n    /// Scroll 4 lines Left\n    SCL,\n    /// 00FE\n    ///\n    /// Disable Extended Mode\n    LOW,\n    /// 00FF\n    ///\n    /// Enable Extended Mode\n    HIGH,\n    /// 00FD\n    ///\n    /// Exit App\n    EXIT,\n    /// FX30\n    ///\n    /// Point I to 10 yte font sprite for digit VX (0..9)\n    LDF2(u8),\n    /// FX75\n    ///\n    /// Store V0..VX in RPL user flags (X \u003c= 7\n    STR(u8),\n    /// FX85\n    ///\n    /// Load V0..VX from RPL user flags (X \u003c= 7)\n    LIDR(u8),\n    /// 0xBxNN\n    ///\n    /// Jump to Address XNN+Vx\n    JPX(u8, u16),\n    /// 0x00Cn\n    ///\n    /// scroll screen content down N pixel, in XO-CHIP only selected bit\n    /// planes are scrolled (Quirks are HP48 specific)\n    SCU(u8),\n    /// 0xNNNN\n    ///\n    /// data word\n    /// used for specifying data to be used in system memory\n    DW(u16),\n}\n\nimpl Chip8CpuInstructions {\n    pub fn name(\u0026self) -\u003e \u0026str {\n        match self {\n            ADDI(_) =\u003e INST_ADDI,\n            ADD(_, _) =\u003e INST_ADD,\n            ADDR(_, _) =\u003e INST_ADDR,\n            AND(_, _) =\u003e INST_AND,\n            CLS =\u003e INST_CLS,\n            CALL(_) =\u003e INST_CALL,\n            DRW(_, _, _) =\u003e INST_DRW,\n            EXIT =\u003e INST_EXIT,\n            JPA(_) =\u003e INST_JPA,\n            JPI(_) =\u003e INST_JPI,\n            BCD(_) =\u003e INST_BCD,\n            LDD(_) =\u003e INST_LDD,\n            LDFX(_) =\u003e INST_LDF,\n            LDF2(_) =\u003e INST_LDF2,\n            LDIA(_) =\u003e INST_LDIA,\n            LDIX(_) =\u003e INST_LDIX,\n            LIDR(_) =\u003e INST_LIDR,\n            LDIS(_) =\u003e INST_LDIS,\n            LDR(_, _) =\u003e INST_LDR,\n            LDRD(_) =\u003e INST_LDRD,\n            LDRI(_) =\u003e INST_LDRI,\n            LDRK(_) =\u003e INST_LDRK,\n            LDRY(_, _) =\u003e INST_LDRY,\n            OR(_, _) =\u003e INST_OR,\n            RET =\u003e INST_RET,\n            RND(_, _) =\u003e INST_RND,\n            SCD(_) =\u003e INST_SCD,\n            SCL =\u003e INST_SCL,\n            SCR =\u003e INST_SCR,\n            SEX(_, _) =\u003e INST_SEX,\n            SEY(_, _) =\u003e INST_SEY,\n            SHL(_, _) =\u003e INST_SHL,\n            SHR(_, _) =\u003e INST_SHR,\n            SKP(_) =\u003e INST_SKP,\n            SNEB(_, _) =\u003e INST_SNEB,\n            SNEY(_, _) =\u003e INST_SNEY,\n            SKNP(_) =\u003e INST_SKNP,\n            STR(_) =\u003e INST_STR,\n            SUB(_, _) =\u003e INST_SUB,\n            SUBC(_, _) =\u003e INST_SUBC,\n            SYS(_) =\u003e INST_SYS,\n            LOW =\u003e INST_LOW,\n            HIGH =\u003e INST_HIGH,\n            ORY(_, _) =\u003e INST_ORY,\n            JPX(_, _) =\u003e INST_JPX,\n            XXXXERRORINSTRUCTION =\u003e \"XX ERROR XX\",\n            SCU(_) =\u003e INST_SCU,\n            DW(_) =\u003e INST_DW,\n        }\n    }\n\n    pub fn operands(\u0026self) -\u003e String {\n        match self {\n            JPX(x, addr) =\u003e {\n                let addr_for_display = (*x as u16) \u003c\u003c 8 | *addr;\n                format!(\"0x{x:02x}, 0x{addr_for_display:04x}\")\n            }\n            Chip8CpuInstructions::DW(addr)\n            | Chip8CpuInstructions::SYS(addr)\n            | Chip8CpuInstructions::JPI(addr)\n            | Chip8CpuInstructions::JPA(addr)\n            | Chip8CpuInstructions::LDIA(addr)\n            | Chip8CpuInstructions::CALL(addr) =\u003e {\n                format!(\"0x{addr:04x}\")\n            }\n            Chip8CpuInstructions::SEX(x, byte)\n            | Chip8CpuInstructions::SNEB(x, byte)\n            | Chip8CpuInstructions::LDR(x, byte)\n            | Chip8CpuInstructions::RND(x, byte)\n            | Chip8CpuInstructions::ADD(x, byte) =\u003e {\n                format!(\"0x{x:02x}, 0x{byte:02x}\")\n            }\n            // Reg, Reg\n            SEY(x, y)\n            | Chip8CpuInstructions::LDRY(x, y)\n            | Chip8CpuInstructions::OR(x, y)\n            | Chip8CpuInstructions::AND(x, y)\n            | Chip8CpuInstructions::ORY(x, y)\n            | Chip8CpuInstructions::ADDR(x, y)\n            | Chip8CpuInstructions::SUB(x, y)\n            | Chip8CpuInstructions::SHR(x, y)\n            | Chip8CpuInstructions::SUBC(x, y)\n            | Chip8CpuInstructions::SHL(x, y)\n            | Chip8CpuInstructions::SNEY(x, y) =\u003e {\n                format!(\"0x{x:01x}, 0x{y:01x}\")\n            }\n            // Reg, Reg, Nibble\n            Chip8CpuInstructions::DRW(x, y, nibble) =\u003e {\n                format!(\"0x{x:02x}, 0x{y:02x}, 0x{nibble:02x}\")\n            }\n            // Registers.  0-F\n            Chip8CpuInstructions::SCU(x)\n            | Chip8CpuInstructions::LDD(x)\n            | Chip8CpuInstructions::LDIS(x)\n            | Chip8CpuInstructions::ADDI(x)\n            | Chip8CpuInstructions::LDFX(x)\n            | Chip8CpuInstructions::BCD(x)\n            | Chip8CpuInstructions::LDIX(x)\n            | Chip8CpuInstructions::LDRD(x)\n            | Chip8CpuInstructions::LDRK(x)\n            | Chip8CpuInstructions::LDRI(x)\n            | Chip8CpuInstructions::LDF2(x)\n            | Chip8CpuInstructions::STR(x)\n            | Chip8CpuInstructions::LIDR(x)\n            | Chip8CpuInstructions::SCD(x)\n            | Chip8CpuInstructions::SKNP(x)\n            | Chip8CpuInstructions::SKP(x) =\u003e {\n                format!(\"0x{x:02x}\")\n            }\n            Chip8CpuInstructions::EXIT\n            | Chip8CpuInstructions::HIGH\n            | Chip8CpuInstructions::LOW\n            | Chip8CpuInstructions::SCL\n            | Chip8CpuInstructions::XXXXERRORINSTRUCTION\n            | Chip8CpuInstructions::SCR\n            | Chip8CpuInstructions::CLS\n            | Chip8CpuInstructions::RET =\u003e String::new(),\n        }\n    }\n}\n\nimpl Display for Chip8CpuInstructions {\n    fn fmt(\u0026self, f: \u0026mut Formatter\u003c'_\u003e) -\u003e std::fmt::Result {\n        let ops = self.operands();\n        let space = if ops.is_empty() { \"\" } else { \" \" };\n        write!(f, \"{}{}{}\", self.name(), space, ops)\n    }\n}\n\nimpl Chip8CpuInstructions {\n    pub fn from_str(input: \u0026str) -\u003e Chip8CpuInstructions {\n\n        // split the instruction into its parts...\n        let mut parts = input.split(\" \");\n\n        let first_part = parts.next().unwrap_or(\"\").to_ascii_uppercase();\n        // take the next value...\n        // ...strip off the extra...\n        // ...convert it to an integer from base 16\n        let param1 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        let param2 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        let param3 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        println!(\n            \"\\tFirst part is {:?} / {:?} / {:?} / {:?}\",\n            first_part, param1, param2, param3\n        );\n        println!(\"MATCHING [[{}]]\", first_part);\n        match first_part.as_str() {\n            INST_ADDI =\u003e ADDI(param1 as u8),\n            INST_ADD =\u003e ADD(param1 as u8, param2 as u8),\n            INST_CLS =\u003e CLS,\n            INST_DRW =\u003e DRW(param1 as u8, param2 as u8, param3 as u8),\n            INST_CALL =\u003e CALL(param1),\n            INST_SYS =\u003e SYS(param1),\n            INST_RET =\u003e RET,\n            INST_JPA =\u003e JPA(param1),\n            INST_JPI =\u003e JPI(param1),\n            INST_SEX =\u003e SEX(param1 as u8, param2 as u8),\n            INST_SNEB =\u003e SNEB(param1 as u8, param2 as u8),\n            INST_SCD =\u003e SCD(param1 as u8),\n            INST_STR =\u003e STR(param1 as u8),\n            INST_SCL =\u003e SCL,\n            INST_EXIT =\u003e EXIT,\n            INST_LOW =\u003e LOW,\n            INST_HIGH =\u003e HIGH,\n            INST_SEY =\u003e SEY(param1 as u8, param2 as u8),\n            INST_LDRY =\u003e LDRY(param1 as u8, param2 as u8),\n            INST_LDR =\u003e LDR(param1 as u8, param2 as u8),\n            INST_OR =\u003e OR(param1 as u8, param2 as u8),\n            INST_AND =\u003e AND(param1 as u8, param2 as u8),\n            INST_ORY =\u003e ORY(param1 as u8, param2 as u8),\n            INST_ADDR =\u003e ADDR(param1 as u8, param2 as u8),\n            INST_SUB =\u003e SUB(param1 as u8, param2 as u8),\n            INST_SHR =\u003e SHR(param1 as u8, param2 as u8),\n            INST_SHL =\u003e SHL(param1 as u8, param2 as u8),\n            INST_SUBC =\u003e SUBC(param1 as u8, param2 as u8),\n            INST_SNEY =\u003e SNEY(param1 as u8, param2 as u8),\n            INST_LDIA =\u003e LDIA(param1),\n            INST_RND =\u003e RND(param1 as u8, param2 as u8),\n            INST_SKP =\u003e SKP(param1 as u8),\n            INST_SKNP =\u003e SKNP(param1 as u8),\n            INST_LDRD =\u003e LDRD(param1 as u8),\n            INST_LDRK =\u003e LDRK(param1 as u8),\n            INST_LDRI =\u003e LDRI(param1 as u8),\n            INST_BCD =\u003e BCD(param1 as u8),\n            INST_LDF =\u003e LDFX(param1 as u8),\n            INST_LDF2 =\u003e LDF2(param1 as u8),\n            INST_LDIX =\u003e LDIX(param1 as u8),\n            INST_LIDR =\u003e LIDR(param1 as u8),\n            INST_LDIS =\u003e LDIS(param1 as u8),\n            INST_LDD =\u003e LDD(param1 as u8),\n            INST_JPX =\u003e JPX(param1 as u8, param2),\n            INST_DW =\u003e DW(param1 as u16),\n            _ =\u003e XXXXERRORINSTRUCTION,\n        }\n    }\n\n    pub fn encode(\u0026self) -\u003e u16 {\n        match self {\n            SYS(target) =\u003e target \u0026 0x0FFF,\n            CLS =\u003e 0x00E0,\n            RET =\u003e 0x00EE,\n            JPA(new_addr) =\u003e 0x1000 | (new_addr \u0026 0x0FFF),\n            CALL(address) =\u003e 0x2000 | (address \u0026 0x0FFF),\n            SEX(vx_register, byte) =\u003e {\n                0x3000 | ((*vx_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            SNEB(vx_register, byte) =\u003e {\n                0x4000 | ((*vx_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::SEY(x_register, y_register) =\u003e {\n                0x5000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::LDR(x_register, byte) =\u003e {\n                0x6000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::ADD(x_register, byte) =\u003e {\n                0x7000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::LDRY(x_register, y_register) =\u003e {\n                0x8000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::OR(x_register, y_register) =\u003e {\n                0x8001 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::AND(x_register, y_register) =\u003e {\n                0x8002 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::ORY(x_register, y_register) =\u003e {\n                0x8003 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::ADDR(x_register, y_register) =\u003e {\n                0x8004 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SUB(x_register, y_register) =\u003e {\n                0x8005 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SHR(x_register, y_register) =\u003e {\n                0x8006 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SUBC(x_register, y_register) =\u003e {\n                0x8007 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SHL(x_register, y_register) =\u003e {\n                0x800E | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SNEY(x_register, y_register) =\u003e {\n                0x9000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::LDIA(addr) =\u003e 0xA000 | addr,\n            Chip8CpuInstructions::JPI(addr) =\u003e 0xB000 | addr,\n            JPX(x_register, addr) =\u003e (0xb000 | (*x_register as u16) \u003c\u003c 8) | *addr,\n            Chip8CpuInstructions::RND(x_register, byte) =\u003e {\n                0xC000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::DRW(x_register, y_register, height) =\u003e {\n                0xD000\n                    | ((*x_register as u16) \u003c\u003c 8)\n                    | ((*y_register as u16) \u003c\u003c 4)\n                    | (*height as u16)\n            }\n            Chip8CpuInstructions::SKP(x_register) =\u003e 0xE09E | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::SKNP(x_register) =\u003e 0xE0A1 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRD(x_register) =\u003e 0xF007 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRK(x_register) =\u003e 0xF00A | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDD(x_register) =\u003e 0xF015 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDIS(x_register) =\u003e 0xF018 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::ADDI(x_register) =\u003e 0xF01E | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDFX(x_register) =\u003e 0xF029 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::BCD(x_register) =\u003e 0xF033 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDIX(x_register) =\u003e 0xF055 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRI(x_register) =\u003e 0xF065 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::SCD(x_register) =\u003e 0x00C0 | (*x_register as u16),\n            Chip8CpuInstructions::SCR =\u003e 0x00FB,\n            Chip8CpuInstructions::SCL =\u003e 0x00FC,\n            Chip8CpuInstructions::LOW =\u003e 0x00FE,\n            Chip8CpuInstructions::HIGH =\u003e 0x00FF,\n            Chip8CpuInstructions::EXIT =\u003e 0x00FD,\n            Chip8CpuInstructions::LDF2(x_register) =\u003e 0xF030 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::STR(x_register) =\u003e 0xF075 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LIDR(x_register) =\u003e 0xF085 | ((*x_register as u16) \u003c\u003c 8),\n            SCU(x_register) =\u003e 0x00D0 | (*x_register as u16),\n            DW(address) =\u003e *address as u16,\n            XXXXERRORINSTRUCTION =\u003e XXXXERRORINSTRUCTION_ENCODED,\n        }\n    }\n    pub fn decode(input: u16, quirk_mode: \u0026QuirkMode) -\u003e Chip8CpuInstructions {\n        let x_param = InstructionUtil::read_x_from_instruction(input);\n        let y_param = InstructionUtil::read_y_from_instruction(input);\n        let addr_param = InstructionUtil::read_addr_from_instruction(input);\n        let byte_param = InstructionUtil::read_byte_from_instruction(input);\n        let nibble_param = InstructionUtil::read_nibble_from_instruction(input);\n        let ubln = InstructionUtil::read_upper_byte_lower_nibble(input);\n        let last_byte = (input \u0026 0xFF) as u8;\n        let last_nibble = (input \u0026 0xF) as u8;\n\n        match input {\n            0x00C0..=0x00CF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip =\u003e SCD(last_nibble),\n                QuirkMode::SChipModern =\u003e SCD(last_nibble),\n            },\n            0x00E0 =\u003e Chip8CpuInstructions::CLS,\n            0x00EE =\u003e Chip8CpuInstructions::RET,\n            0x00FB =\u003e {\n                match quirk_mode {\n                    QuirkMode::Chip8 =\u003e {\n                        // does not exist on Chip8\n                        XXXXERRORINSTRUCTION\n                    }\n                    QuirkMode::XOChip =\u003e Chip8CpuInstructions::SCR,\n                    QuirkMode::SChipModern =\u003e Chip8CpuInstructions::SCR,\n                }\n            }\n            0x00FC =\u003e Chip8CpuInstructions::SCL,\n            0x00FD =\u003e Chip8CpuInstructions::EXIT,\n            0x00FE =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e LOW,\n            },\n            0x00FF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e HIGH,\n            },\n            0x0000..=0x0FFF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e Chip8CpuInstructions::SYS(addr_param),\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e XXXXERRORINSTRUCTION,\n            },\n            0x1000..=0x1FFF =\u003e JPA(addr_param),\n            0x2000..=0x2FFF =\u003e CALL(addr_param),\n            0x3000..=0x3FFF =\u003e SEX(x_param, byte_param),\n            0x4000..=0x4FFF =\u003e SNEB(x_param, byte_param),\n            0x5000..=0x5FF0 if input \u0026 0x01 == 0 =\u003e SEY(x_param, y_param),\n            0x6000..=0x6FFF =\u003e LDR(x_param, byte_param),\n            0x7000..=0x7FFF =\u003e ADD(x_param, byte_param),\n            0x8000..=0x8FFE =\u003e match last_nibble {\n                0x0 =\u003e Chip8CpuInstructions::LDRY(x_param, y_param),\n                0x1 =\u003e Chip8CpuInstructions::OR(x_param, y_param),\n                0x2 =\u003e Chip8CpuInstructions::AND(x_param, y_param),\n                0x3 =\u003e Chip8CpuInstructions::ORY(x_param, y_param),\n                0x4 =\u003e Chip8CpuInstructions::ADDR(x_param, y_param),\n                0x5 =\u003e Chip8CpuInstructions::SUB(x_param, y_param),\n                0x6 =\u003e Chip8CpuInstructions::SHR(x_param, y_param),\n                0x7 =\u003e Chip8CpuInstructions::SUBC(x_param, y_param),\n                0xE =\u003e Chip8CpuInstructions::SHL(x_param, y_param),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            0x9000..=0x9FF0 if input \u0026 0x01 == 0 =\u003e Chip8CpuInstructions::SNEY(x_param, y_param),\n            0xA000..=0xAFFF =\u003e Chip8CpuInstructions::LDIA(addr_param),\n            0xB000..=0xBFFF =\u003e Chip8CpuInstructions::JPI(addr_param),\n            0xC000..=0xCFFF =\u003e Chip8CpuInstructions::RND(x_param, byte_param),\n            0xD000..=0xDFFF =\u003e Chip8CpuInstructions::DRW(x_param, y_param, nibble_param),\n            0xE09E..=0xEFA1 =\u003e match last_byte {\n                0x9E =\u003e Chip8CpuInstructions::SKP(ubln),\n                0xA1 =\u003e Chip8CpuInstructions::SKNP(ubln),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            0xF007..=0xFF65 =\u003e match last_byte {\n                0x07 =\u003e Chip8CpuInstructions::LDRD(ubln),\n                0x0A =\u003e Chip8CpuInstructions::LDRK(ubln),\n                0x15 =\u003e Chip8CpuInstructions::LDD(ubln),\n                0x18 =\u003e Chip8CpuInstructions::LDIS(ubln),\n                0x1E =\u003e Chip8CpuInstructions::ADDI(ubln),\n                0x29 =\u003e Chip8CpuInstructions::LDFX(ubln),\n                0x30 =\u003e Chip8CpuInstructions::LDF2(ubln),\n                0x33 =\u003e Chip8CpuInstructions::BCD(ubln),\n                0x55 =\u003e Chip8CpuInstructions::LDIX(ubln),\n                0x65 =\u003e Chip8CpuInstructions::LDRI(ubln),\n                0x75 =\u003e Chip8CpuInstructions::STR(ubln),\n                0x85 =\u003e Chip8CpuInstructions::LIDR(ubln),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            _ =\u003e DW(addr_param),\n        }\n    }\n    pub fn execute(\u0026self, input: \u0026mut Chip8Computer) -\u003e Chip8Computer {\n        //        print!(\"INSTRUCTION {}\", self);\n        // let start_time = Instant::now();\n        let start_pc = input.registers.peek_pc();\n        input.registers.poke_pc(start_pc + 2);\n        match self {\n            // 0x0nnn Exit to System Call\n            Chip8CpuInstructions::SYS(new_address) =\u003e {\n                input.registers.poke_pc(*new_address);\n            }\n            // * 0x00E0 Clear Screen\n            Chip8CpuInstructions::CLS =\u003e {\n                input.video_memory.cls();\n            }\n            // 0x00EE Return from Subroutine\n            Chip8CpuInstructions::RET =\u003e {\n                input.registers.poke_pc(input.stack.pop());\n            }\n            // 0x1nnn Jump to Address\n            Chip8CpuInstructions::JPA(new_address) =\u003e {\n                input.registers.poke_pc(*new_address);\n            }\n            // 0x2nnn Call Subroutine\n            Chip8CpuInstructions::CALL(new_address) =\u003e {\n                let return_address = input.registers.peek_pc();\n                input.registers.poke_pc(*new_address);\n                input.stack.push(\u0026return_address);\n            }\n            // 0x3xkk Skip next instruction if Vx = kk.\n            Chip8CpuInstructions::SEX(vx_register, byte) =\u003e {\n                if input.registers.peek(*vx_register) == { *byte } {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x4xkk Skip next instruction if Vx != kk\n            Chip8CpuInstructions::SNEB(x, byte) =\u003e {\n                // 4xkk - SNE Vx, byte\n                // Skip next instruction if Vx != kk.\n                //\n                // The interpreter compares register Vx to kk, and if they are not equal,\n                // increments the program counter by 2.\n                if input.registers.peek(*x) != *byte {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x5xy0 Skip next instruction if Vx == Vy\n            Chip8CpuInstructions::SEY(x, y) =\u003e {\n                if input.registers.peek(*x) == input.registers.peek(*y) {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x6xkk Set Vx = kk\n            Chip8CpuInstructions::LDR(register, byte) =\u003e {\n                input.registers.poke(*register, *byte);\n            }\n            // 0x7xkk Set Vx = Vx + kk\n            Chip8CpuInstructions::ADD(vx_register, byte) =\u003e {\n                input.registers.poke(\n                    *vx_register,\n                    (input.registers.peek(*vx_register) as u16 + *byte as u16) as u8,\n                );\n            }\n            // 0x8xy0 Set value of Vy in Vx\n            Chip8CpuInstructions::LDRY(x, y) =\u003e {\n                input.registers.poke(*x, input.registers.peek(*y));\n            }\n            // 0x8xy1 Set Vx = Vx OR Vy\n            Chip8CpuInstructions::OR(x, y) =\u003e {\n                // shift them to 16 bit\n                let working_16_x = input.registers.peek(*x) as u16;\n                let working_16_y = input.registers.peek(*y) as u16;\n                // OR them\n                let working_16_or = working_16_x | working_16_y;\n                // shift them back to 8 bit.\n                input.registers.poke(*x, working_16_or as u8);\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                debug!(\"OrVxVy [0x{x:1x}] [0x{y:1x}]\")\n            }\n            // 0x8xy2 Set Vx = Vx AND Vy\n            AND(x, y) =\u003e {\n                let lhs_16 = input.registers.peek(*x) as u16;\n                let rhs_16 = input.registers.peek(*y) as u16;\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                input.registers.poke(*x, (lhs_16 \u0026 rhs_16) as u8);\n            }\n            // 0x8xy3 Set Vx = Vx XOR Vy\n            ORY(x, y) =\u003e {\n                let lhs_16 = input.registers.peek(*x) as u16;\n                let rhs_16 = input.registers.peek(*y) as u16;\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                input.registers.poke(*x, (lhs_16 ^ rhs_16) as u8);\n            }\n            // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n            ADDR(x, y) =\u003e {\n                let lhs = input.registers.peek(*x) as i16;\n                let rhs = input.registers.peek(*y) as i16;\n                let working = lhs + rhs;\n                input.registers.poke(*x, working as u8);\n\n                if working \u003e= 0x100 {\n                    input.registers.poke(0xf, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            SUB(x, y) =\u003e {\n                // 8xy5 - SUB Vx, Vy\n                // Set Vx = Vx - Vy, set VF = NOT borrow.\n                //\n                // If Vx \u003e Vy, then VF is set to 1, otherwise 0. Then Vy is subtracted from Vx, and the results stored in Vx.\n\n                let lhs = input.registers.peek(*x);\n                let rhs = input.registers.peek(*y);\n\n                let result;\n\n                let borrow_flag: u8 = if rhs \u003e lhs {\n                    result = (lhs as u16 + 0x100) - rhs as u16;\n                    0\n                } else {\n                    result = lhs as u16 - rhs as u16;\n                    1\n                };\n\n                input.registers.poke(*x, result as u8);\n                input.registers.poke(0x0f, borrow_flag);\n            }\n            Chip8CpuInstructions::SHR(x, _) =\u003e {\n                // 8xy6 - SHR Vx {, Vy}\n                // Set Vx = Vx SHR 1.\n                // SHIFT 1 Bit ----\u003e\n                // If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx is divided by 2.\n                let initial_value = input.registers.peek(*x);\n\n                // overflow check\n                let rotated = initial_value \u003e\u003e 1;\n                input.registers.poke(*x, rotated);\n                if initial_value.bitand(0b1) == 1 {\n                    input.registers.poke(0x0f, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            Chip8CpuInstructions::SUBC(x, y) =\u003e {\n                // 8xy7 - SUBN Vx, Vy\n                // Set Vx = Vy - Vx, set VF = NOT borrow.\n                //\n                // If Vy \u003e Vx, then VF is set to 1, otherwise 0. Then Vx is subtracted from Vy, and the results stored in Vx.\n                let y_register = input.registers.peek(*y);\n                let x_register = input.registers.peek(*x);\n\n                let (new_value, value_to_poke) = if y_register \u003c x_register {\n                    (0, (y_register as u16 + 256) - x_register as u16)\n                } else {\n                    (1, (y_register - x_register) as u16)\n                };\n                input.registers.poke(*x, value_to_poke as u8);\n                input.registers.poke(0xf, new_value);\n            }\n\n            Chip8CpuInstructions::SHL(x, _) =\u003e {\n                // 8xyE - SHL Vx {, Vy}\n                // Set Vx = Vx SHL 1.\n                //\n                // If the most-significant bit of Vx is 1, then VF is set to 1, otherwise to 0. Then Vx is multiplied by 2.\n                let initial_value = input.registers.peek(*x);\n\n                // overflow check\n                let rotated = initial_value \u003c\u003c 1;\n                input.registers.poke(*x, rotated);\n                if initial_value.bitand(0b10000000) == 0b10000000 {\n                    input.registers.poke(0x0f, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            Chip8CpuInstructions::SNEY(vx_register, vy_register) =\u003e {\n                // 9xy0 - SNE Vx, Vy\n                // Skip next instruction if Vx != Vy.\n                //\n                // The values of Vx and Vy are compared, and if they are not equal, the program counter is increased by 2.\n\n                let x_reg_value = input.registers.peek(*vx_register);\n                let y_reg_value = input.registers.peek(*vy_register);\n                if x_reg_value != y_reg_value {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::LDIA(new_index) =\u003e {\n                // Annn - LD I, addr\n                // Set I = nnn.\n                //\n                // The value of register I is set to nnn.\n                //  debug!(\"LdiAddr [0x{new_index:3x}]\");\n                input.registers.poke_i(*new_index);\n            }\n            // 0xBnnn Jump to nnn+V0\n            Chip8CpuInstructions::JPI(addr) =\u003e {\n                // Bnnn - JP V0, addr\n                // Jump to location nnn + V0.\n                //\n                // The program counter is set to nnn plus the value of V0.\n                input\n                    .registers\n                    .poke_pc(input.registers.peek(0) as u16 + addr);\n            }\n            // 0xBxnn Jump to Xnn+Vx\n            JPX(vx_register, addr) =\u003e {\n                let x_reg_value: u16 = input.registers.peek(*vx_register) as u16;\n                let shifted_x_reg = x_reg_value \u003c\u003c 8;\n                let added_addr = shifted_x_reg | addr;\n                let final_addr = added_addr + shifted_x_reg;\n                println!(\"JPX -\u003e {x_reg_value:02x} {shifted_x_reg:04x} {added_addr:04x} {final_addr:04x}\");\n                input.registers.poke_i(final_addr);\n            }\n            Chip8CpuInstructions::RND(x, byte) =\u003e {\n                // Cxkk - RND Vx, byte\n                // Set Vx = random byte AND kk.\n                //\n                // The interpreter generates a random number from 0 to 255,\n                // which is then ANDed with the value kk.\n                // The results are stored in Vx.\n                let mut rng = rand::rng();\n                let new_value: u8 = rng.random();\n                let and_value: u8 = *byte;\n                let result = new_value \u0026 and_value;\n                debug!(\"RANDOM: [{new_value:02x}] AND: [{and_value:02x} Result: [{result:02x}]\");\n                input.registers.poke(*x, new_value \u0026 { *byte })\n            }\n            Chip8CpuInstructions::DRW(y, x, n) =\u003e {\n                // Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision.\n\n                // The interpreter reads n bytes from memory, starting at the address stored in I.\n\n                // These bytes are then displayed as sprites on screen at coordinates (Vx, Vy).\n                // Sprites are XORed onto the existing screen.\n                // If this causes any pixels to be erased, VF is set to 1,\n                //     otherwise it is set to 0.\n                // If the sprite is positioned so part of it is outside the coordinates of the display,\n                //     it wraps around to the opposite side of the screen.\n\n                let source_memory_offset = input.registers.peek_i();\n                let x_offset = input.registers.peek(*x) as u16;\n                let y_offset = input.registers.peek(*y) as u16;\n                if input.video_memory.is_highres() {\n                    // if n == 0 we have a 16 row sprite (font maybe)\n                    let actual_num_loops = if *n == 0u8 { 16 } else { *n };\n                    for byte_index in 0..actual_num_loops {\n                        let current_byte =\n                            input.memory.peek(byte_index as u16 + source_memory_offset);\n                        let next_byte = input\n                            .memory\n                            .peek(byte_index as u16 + 1u16 + source_memory_offset);\n                        let x_offset = (x_offset + byte_index as u16) * 64;\n                        for bit_index in 0..8 {\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16),\n                                (current_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16) + 8,\n                                (next_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                        }\n                    }\n                } else {\n                    for byte_index in 0..*n {\n                        let current_byte =\n                            input.memory.peek(byte_index as u16 + source_memory_offset);\n                        let x_offset: u16 = (x_offset + byte_index as u16) * 64;\n                        for bit_index in 0..8 {\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16),\n                                (current_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                        }\n                    }\n                }\n\n                let target = if input.video_memory.has_frame_changed {\n                    1u8\n                } else {\n                    0u8\n                };\n\n                input.registers.poke(0xf, target);\n            }\n            Chip8CpuInstructions::SKP(x) =\u003e {\n                // Ex9E - SKP Vx\n                // Skip next instruction if key with the value of Vx is pressed.\n                //\n                // Checks the keyboard, and if the key corresponding to the value of Vx is currently in the down position, PC is increased by 2.\n                let key_to_check = input.registers.peek(*x);\n                let is_pressed = input.keypad.pressed(key_to_check);\n                if is_pressed {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::SKNP(x) =\u003e {\n                // ExA1 - SKNP Vx\n                // Skip next instruction if key with the value of Vx is not pressed.\n                //\n\n                // Checks the keyboard,\n                // and if the key corresponding to the value of Vx is currently in the up position,\n                // PC is increased by 2.\n                let target_key = input.registers.peek(*x);\n                let is_pressed = input.keypad.pressed(target_key);\n                debug!(\"SnKpVx [{x:1x}]\");\n                if !is_pressed {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::LDRD(x) =\u003e {\n                // Fx07 - LD Vx, DT\n                // Set Vx = delay timer value.\n                //\n                // The value of DT is placed into Vx.\n                let value_to_set = input.delay_timer.current();\n                input.registers.poke(*x, value_to_set);\n            }\n            Chip8CpuInstructions::LDRK(_) =\u003e {\n                // Fx0A - LD Vx, K\n                // Wait for a key press, store the value of the key in Vx.\n                //\n                // All execution stops until a key is pressed, then the value of that key is stored in Vx.\n                input.state = WaitingForKey;\n            }\n            Chip8CpuInstructions::LDD(source_register) =\u003e {\n                // Fx15 - LD DT, Vx\n                // Set delay timer = Vx.\n                //\n                // DT is set equal to the value of Vx.\n                let new_time = input.registers.peek(*source_register);\n                input.delay_timer.set_timer(new_time);\n            }\n            Chip8CpuInstructions::LDIS(new_time) =\u003e {\n                let new_value = input.registers.peek(*new_time);\n                input.sound_timer.set_timer(new_value);\n            }\n            Chip8CpuInstructions::ADDI(x) =\u003e {\n                // Fx1E - ADD I, Vx\n                // Set I = I + Vx.\n                //\n                // The values of I and Vx are added, and the results are stored in I.\n                let base = input.registers.peek_i();\n                let x_value = input.registers.peek(*x);\n                input.registers.poke_i(base + x_value as u16);\n            }\n            Chip8CpuInstructions::LDFX(x) =\u003e {\n                // Fx29 - LD F, Vx\n                // Set I = location of sprite for digit Vx.\n                //\n                // The value of I is set to the location for the hexadecimal sprite corresponding\n                // to the value of Vx. See section 2.4, Display, for more information on\n                // the Chip-8 hexadecimal font.\n\n                let x_value: u8 = input.registers.peek(*x);\n\n                let real_offset = x_value as u16 * 5;\n                input.registers.poke_i(real_offset);\n            }\n            Chip8CpuInstructions::BCD(x) =\u003e {\n                // Fx33 - LD B, Vx\n                // Store BCD representation of Vx in memory locations I, I+1, and I+2.\n                //\n                // The interpreter takes the decimal value of Vx, and places the hundreds\n                // digit in memory at location in I, the tens digit at location I+1,\n                // and the ones digit at location I+2.\n\n                let to_convert = input.registers.peek(*x);\n\n                // how many hundreds\n                let hundreds = to_convert / 100;\n                // how many tens, minus the hundreds\n                let tens = (to_convert / 10) - (hundreds * 10);\n                // whats the leftover when dividing by 10\n                let units = to_convert % 10;\n\n                // write them to the memory pointed to by I, I+1, and I+2\n                let target_start_offset = input.registers.peek_i();\n                input.memory.poke(target_start_offset, hundreds);\n                input.memory.poke(target_start_offset + 1, tens);\n                input.memory.poke(target_start_offset + 2, units);\n            }\n            Chip8CpuInstructions::LDIX(x) =\u003e {\n                // Store registers V0 through Vx in memory starting at location I.\n                //\n                // The interpreter copi=es the values of registers V0 through Vx into memory,\n                // starting at the address in I.\n                let offset = input.registers.peek_i();\n                for i in 0..=*x {\n                    input\n                        .memory\n                        .poke(offset + i as u16, input.registers.peek(i));\n                }\n                input.registers.poke_i(offset + 1);\n            }\n            Chip8CpuInstructions::LDRI(x) =\u003e {\n                // Read registers V0 through Vx from memory starting at location I.\n                //\n                // The interpreter reads values from memory starting at location I into registers V0 through Vx.\n                let offset = input.registers.peek_i();\n                debug!(\"STARTING TO READ AT {offset:03x}\");\n                let num_loops = x + 1;\n                debug!(\"WILL READ {num_loops:x} BYTES\");\n                for index in 0..num_loops {\n                    let src_value = input.memory.peek(index as u16 + offset);\n                    input.registers.poke(index, src_value);\n                    debug!(\"POKING Register 0x{index:02x} with 0x{src_value:04x} using offset 0x{offset:04x}\");\n                }\n                input.registers.poke_i(offset + 1);\n            }\n            Chip8CpuInstructions::XXXXERRORINSTRUCTION =\u003e {}\n            // SCHIP1.1\n            Chip8CpuInstructions::SCD(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCD in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_down(*x as i32);\n                }\n            },\n            // SCHIP 1.1\n            Chip8CpuInstructions::SCR =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCR in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_right();\n                }\n            },\n            // SCHIP 1.1\n            Chip8CpuInstructions::SCL =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCL in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_left();\n                }\n            },\n            // SCHIP 1.0\n            Chip8CpuInstructions::LOW =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO SET LOWRES IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.set_lowres();\n                }\n            },\n            // SCHIP 1.0\n            Chip8CpuInstructions::HIGH =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO SET HIGHRES IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.set_highres();\n                }\n            },\n            Chip8CpuInstructions::EXIT =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO EXIT FROM CHIP8 INTERPRETER\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"EXIT INTERPRETER\");\n                }\n            },\n            Chip8CpuInstructions::LDF2(x) =\u003e {\n                match input.quirk_mode {\n                    QuirkMode::Chip8 =\u003e {\n                        debug!(\"ATTEMPT TO LDF2 IN CHIP8MODE\");\n                    }\n                    QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                        println!(\"POINTING TO FONT AT {x:02x}\");\n                        // base = 0x100 + 0x0A*X\n                        input.registers.poke_i(0x100 + (0xA * x) as u16);\n                    }\n                }\n            }\n            Chip8CpuInstructions::STR(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO STORE RPL IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"STORING FROM RPL FOR {x}\");\n                }\n            },\n            Chip8CpuInstructions::LIDR(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO LOAD RPL IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"LOADING FROM RPL FOR {x}\");\n                }\n            },\n            SCU(x) =\u003e {\n                println!(\"SCROLL SCREEN UP {x} ROWS\");\n                match input.quirk_mode {\n                    QuirkMode::Chip8 | QuirkMode::SChipModern =\u003e {\n                        debug!(\"Attempt to run SCU outside XO mode\");\n                    }\n             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println!(\"PREPARE TO RETURN {}\", return_value);\n        return_value\n    }\n}\n\nimpl Keypad {\n    pub fn push_key(\u0026mut self, key_index: u8) {\n        self.keys[key_index as usize] = true;\n    }\n\n    pub fn release_key(\u0026mut self, key_index: u8) {\n        self.keys[key_index as usize] = false;\n    }\n\n    pub fn key_state(\u0026self, key_index: u8) -\u003e bool {\n        self.keys[key_index as usize]\n    }\n\n    pub fn new() -\u003e Keypad {\n        Keypad::default()\n    }\n\n    pub fn pressed(\u0026self, key: u8) -\u003e bool {\n        self.key_state(key)\n    }\n    pub fn released(\u0026self, key: u8) -\u003e bool {\n        !self.key_state(key)\n    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serde::{Deserialize, Serialize};\nuse std::fmt::Display;\nuse crate::constants::{LABEL_QUIRK_CHIP8, LABEL_QUIRK_SCHIP, LABEL_QUIRK_XOCHIP};\n\n#[derive(Default, Clone, Serialize, Deserialize, Copy, Debug, PartialEq)]\npub enum QuirkMode {\n    #[default]\n    Chip8,\n    XOChip,\n    SChipModern,\n}\n\nimpl Display for QuirkMode {\n    fn fmt(\u0026self, f: \u0026mut std::fmt::Formatter\u003c'_\u003e) -\u003e std::fmt::Result {\n        let variant = match \u0026self {\n            QuirkMode::Chip8 =\u003e LABEL_QUIRK_CHIP8.to_string(),\n            QuirkMode::XOChip =\u003e LABEL_QUIRK_XOCHIP.to_string(),\n            QuirkMode::SChipModern =\u003e LABEL_QUIRK_SCHIP.to_string(),\n        };\n        write!(f, \"{}\", variant)\n    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self.registers == other.registers \u0026\u0026 self.i_register == other.i_register\n    }\n}\n\nimpl Chip8Registers {\n    pub fn advance_pc(\u0026mut self) {\n        self.pc += 2;\n    }\n}\n\nimpl Default for Chip8Registers {\n    fn default() -\u003e Self {\n        Chip8Registers {\n            registers: [0x00; 16],\n            i_register: 0x00,\n            pc: 0x200,\n        }\n    }\n}\n\nimpl Chip8Registers {\n    pub fn reset(\u0026mut self) {\n        self.registers = [0x00; 16];\n        self.i_register = 0x00;\n        self.pc = 0x200;\n    }\n\n    pub fn poke_pc(\u0026mut self, new_pc: u16) {\n        self.pc = new_pc\n    }\n    pub fn peek_i(\u0026self) -\u003e u16 {\n        self.i_register\n    }\n\n    pub fn poke_i(\u0026mut self, new_value: u16) {\n        self.i_register = new_value;\n    }\n    pub fn peek(\u0026self, register_number: u8) -\u003e u8 {\n        self.registers[register_number as usize]\n    }\n\n    pub fn poke(\u0026mut self, register_number: u8, value: u8) {\n        if register_number \u003e 0xf {\n            panic!(\"INVALID REGISTER\");\n        }\n        self.registers[register_number as usize] = value;\n    }\n\n    pub fn peek_pc(\u0026self) -\u003e u16 {\n        self.pc\n    }\n\n    pub fn set_pc(\u0026mut self, new_pc: u16) {\n        self.pc = new_pc\n    }\n\n    pub fn format_as_string(\u0026self) -\u003e String {\n        format!(\"Vx: 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x}\\n    0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x} 0x{:02x}\\nI: 0x{:04x}\\tPC: 0x{:04x}\",\n                self.registers[0x0],\n                self.registers[0x1],\n                self.registers[0x2],\n                self.registers[0x3],\n                self.registers[0x4],\n                self.registers[0x5],\n                self.registers[0x6],\n                self.registers[0x7],\n                self.registers[0x8],\n                self.registers[0x9],\n                self.registers[0xa],\n                self.registers[0xb],\n                self.registers[0xc],\n                self.registers[0xd],\n                self.registers[0xe],\n                self.registers[0xf],\n                self.i_register,\n                self.pc\n        )\n    }\n}\n","traces":[{"line":13,"address":[1242192],"length":1,"stats":{"Line":1}},{"line":14,"address":[1630375],"length":1,"stats":{"Line":1}},{"line":19,"address":[1242384],"length":1,"stats":{"Line":4}},{"line":20,"address":[1242355,1242317],"length":1,"stats":{"Line":4}},{"line":25,"address":[1630544],"length":1,"stats":{"Line":11}},{"line":27,"address":[1242398],"length":1,"stats":{"Line":26}},{"line":35,"address":[1454464],"length":1,"stats":{"Line":3}},{"line":36,"address":[1885006],"length":1,"stats":{"Line":6}},{"line":37,"address":[1446447],"length":1,"stats":{"Line":3}},{"line":38,"address":[1233253],"length":1,"stats":{"Line":6}},{"line":41,"address":[3155792],"length":1,"stats":{"Line":15}},{"line":42,"address":[1506861],"length":1,"stats":{"Line":5}},{"line":44,"address":[1370720],"length":1,"stats":{"Line":4}},{"line":45,"address":[1248165],"length":1,"stats":{"Line":7}},{"line":48,"address":[1242560],"length":1,"stats":{"Line":6}},{"line":49,"address":[2908141],"length":1,"stats":{"Line":3}},{"line":51,"address":[2908160],"length":1,"stats":{"Line":9}},{"line":52,"address":[1530373,1530410],"length":1,"stats":{"Line":7}},{"line":55,"address":[4468256],"length":1,"stats":{"Line":5}},{"line":56,"address":[37641523],"length":1,"stats":{"Line":15}},{"line":57,"address":[1370907],"length":1,"stats":{"Line":1}},{"line":59,"address":[1423909,1423819,1423896],"length":1,"stats":{"Line":18}},{"line":62,"address":[1242832],"length":1,"stats":{"Line":10}},{"line":63,"address":[1530597],"length":1,"stats":{"Line":16}},{"line":66,"address":[1155632],"length":1,"stats":{"Line":3}},{"line":67,"address":[1507197],"length":1,"stats":{"Line":8}},{"line":70,"address":[1242960],"length":1,"stats":{"Line":1}},{"line":71,"address":[3156190],"length":1,"stats":{"Line":1}}],"covered":28,"coverable":28},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","sound_timer.rs"],"content":"extern crate pretty_env_logger;\n\nuse log::warn;\nuse serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub struct SoundTimer {\n    counter: u8,\n}\n\nimpl Default for SoundTimer {\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}\n\nimpl SoundTimer {\n    pub fn current(\u0026self) -\u003e u8 {\n        self.counter\n    }\n    pub fn new() -\u003e Self {\n        SoundTimer { counter: 0 }\n    }\n    pub fn set_timer(\u0026mut self, new_value: u8) {\n        warn!(\"SETTING SOUND TIMER TO {new_value}\");\n        self.counter = new_value\n    }\n\n    pub fn tick(\u0026mut self) {\n        warn!(\n            \"TICKING SOUND FROM {} to {}\",\n            self.counter,\n            self.counter - 1\n        );\n        if self.counter \u003e 0 {\n            self.counter -= 1;\n        }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.counter = 0x00;\n    }\n}\n","traces":[{"line":12,"address":[37681008],"length":1,"stats":{"Line":1}},{"line":13,"address":[1474257],"length":1,"stats":{"Line":1}},{"line":18,"address":[992368],"length":1,"stats":{"Line":2}},{"line":19,"address":[1919445],"length":1,"stats":{"Line":2}},{"line":24,"address":[2877328],"length":1,"stats":{"Line":3}},{"line":25,"address":[992427,992477],"length":1,"stats":{"Line":6}},{"line":26,"address":[1474367],"length":1,"stats":{"Line":3}},{"line":29,"address":[1261248],"length":1,"stats":{"Line":9}},{"line":30,"address":[1569515,1569740],"length":1,"stats":{"Line":2}},{"line":35,"address":[4507699,4507352],"length":1,"stats":{"Line":7}},{"line":36,"address":[1484841,1484869],"length":1,"stats":{"Line":2}},{"line":40,"address":[1569824],"length":1,"stats":{"Line":2}},{"line":41,"address":[4507733],"length":1,"stats":{"Line":5}}],"covered":13,"coverable":13},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","stack.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Default, Serialize, Deserialize, Debug)]\npub struct Chip8Stack {\n    items: Vec\u003cu16\u003e,\n}\n\nimpl Chip8Stack {\n    pub fn push(\u0026mut self, new_value: \u0026u16) {\n        if self.depth() == 16 {\n            // println!(\"Deep deep stack?\");\n            panic!(\"Stack Overflow\");\n        }\n        self.items.push(*new_value);\n    }\n    pub fn pop(\u0026mut self) -\u003e u16 {\n        if self.items.is_empty() {\n            panic!(\"Stack Underflow\");\n        }\n        self.items.pop().unwrap()\n    }\n    pub fn depth(\u0026self) -\u003e u16 {\n        self.items.len() as u16\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8Stack { items: vec![] }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.items = vec![]\n    }\n}\n","traces":[{"line":9,"address":[1481776],"length":1,"stats":{"Line":6}},{"line":10,"address":[1967992],"length":1,"stats":{"Line":6}},{"line":12,"address":[1472372],"length":1,"stats":{"Line":1}},{"line":14,"address":[1472427],"length":1,"stats":{"Line":6}},{"line":16,"address":[1231776],"length":1,"stats":{"Line":5}},{"line":17,"address":[1472462],"length":1,"stats":{"Line":5}},{"line":18,"address":[1547761],"length":1,"stats":{"Line":1}},{"line":20,"address":[3172909],"length":1,"stats":{"Line":5}},{"line":22,"address":[1440608],"length":1,"stats":{"Line":5}},{"line":23,"address":[1547813],"length":1,"stats":{"Line":6}},{"line":26,"address":[3173008],"length":1,"stats":{"Line":4}},{"line":27,"address":[1166445],"length":1,"stats":{"Line":4}},{"line":30,"address":[1968335,1968272],"length":1,"stats":{"Line":5}},{"line":31,"address":[1482093,1482173],"length":1,"stats":{"Line":7}}],"covered":14,"coverable":14},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","system_memory.rs"],"content":"use log::trace;\n\nuse crate::constants::*;\nuse serde::Deserialize;\nuse serde::Serialize;\n\nuse super::quirk_modes::QuirkMode;\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8SystemMemory {\n    memory: Vec\u003cu8\u003e,\n}\n\nimpl PartialEq for Chip8SystemMemory {\n    fn eq(\u0026self, other: \u0026Self) -\u003e bool {\n        self.memory == other.memory\n    }\n}\n\nimpl Default for Chip8SystemMemory {\n    fn default() -\u003e Self {\n        let mut x = Chip8SystemMemory::new();\n\n        x.load_fonts_to_memory();\n        x.load_schip_fonts_to_memory();\n        x\n    }\n}\n\nimpl Chip8SystemMemory {\n    fn empty_memory() -\u003e Vec\u003cu8\u003e {\n        let mut working_memory = vec![];\n\n        for _ in 0..CHIP8_MEMORY_SIZE {\n            working_memory.push(0x00);\n        }\n        working_memory\n    }\n\n    pub fn reset(\u0026mut self, quirk_modes: QuirkMode) {\n        self.memory = Chip8SystemMemory::empty_memory();\n        match quirk_modes {\n            QuirkMode::Chip8 =\u003e {\n                self.load_fonts_to_memory();\n            }\n            QuirkMode::XOChip =\u003e {\n                println!(\"NO XO FONT LOADING DONE YET\");\n            }\n            QuirkMode::SChipModern =\u003e {\n                self.load_schip_fonts_to_memory();\n            }\n        }\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8SystemMemory {\n            memory: Chip8SystemMemory::empty_memory(),\n        }\n    }\n\n    pub fn peek(\u0026self, address: u16) -\u003e u8 {\n        trace!(\n            \"PEEK: {} / {}\",\n            address,\n            self.memory[address as usize].clone()\n        );\n        let effective = address as i32 % CHIP8_MEMORY_SIZE;\n        self.memory[effective as usize]\n    }\n\n    pub fn poke(\u0026mut self, address: u16, value: u8) {\n        trace!(\n            \"POKE: {} / {} to {}\",\n            address,\n            self.memory[address as usize],\n            value\n        );\n        self.memory[address as usize] = value;\n    }\n\n    pub fn load_program(\u0026mut self, program_to_load: Box\u003cVec\u003cu8\u003e\u003e) {\n        for load_index in 0..program_to_load.len() {\n            self.poke((load_index + 0x200) as u16, program_to_load[load_index]);\n        }\n    }\n\n    pub fn load_fonts_to_memory(\u0026mut self) {\n        let all_font_characters = [\n            CHIP8FONT_0,\n            CHIP8FONT_1,\n            CHIP8FONT_2,\n            CHIP8FONT_3,\n            CHIP8FONT_4,\n            CHIP8FONT_5,\n            CHIP8FONT_6,\n            CHIP8FONT_7,\n            CHIP8FONT_8,\n            CHIP8FONT_9,\n            CHIP8FONT_A,\n            CHIP8FONT_B,\n            CHIP8FONT_C,\n            CHIP8FONT_D,\n            CHIP8FONT_E,\n            CHIP8FONT_F,\n        ];\n\n        for (font_index, current_font) in all_font_characters.iter().enumerate() {\n            for font_mem_offset in 0..=4 {\n                let real_offset = font_index * 5 + font_mem_offset;\n                self.poke(real_offset as u16, current_font[font_mem_offset]);\n            }\n        }\n    }\n\n    pub fn load_schip_fonts_to_memory(\u0026mut self) {\n        let all_font_characters = [\n            SCHIPFONT_0,\n            SCHIPFONT_1,\n            SCHIPFONT_2,\n            SCHIPFONT_3,\n            SCHIPFONT_4,\n            SCHIPFONT_5,\n            SCHIPFONT_6,\n            SCHIPFONT_7,\n            SCHIPFONT_8,\n            SCHIPFONT_9,\n            SCHIPFONT_A,\n            SCHIPFONT_B,\n            SCHIPFONT_C,\n            SCHIPFONT_D,\n            SCHIPFONT_E,\n            SCHIPFONT_F,\n        ];\n        for (font_index, current_font) in all_font_characters.iter().enumerate() {\n            let base_offset = SCHIPFONT_OFFSET;\n            for font_mem_offset in 0..=9 {\n                let real_offset = base_offset + (font_index * 0x0a) as u32 + font_mem_offset;\n                self.poke(real_offset as u16, current_font[font_mem_offset as usize]);\n            }\n        }\n    }\n}\n","traces":[{"line":15,"address":[994816],"length":1,"stats":{"Line":2}},{"line":16,"address":[1451822],"length":1,"stats":{"Line":2}},{"line":21,"address":[1459338,1459200],"length":1,"stats":{"Line":25}},{"line":22,"address":[1591006],"length":1,"stats":{"Line":25}},{"line":24,"address":[994882],"length":1,"stats":{"Line":27}},{"line":25,"address":[1248049],"length":1,"stats":{"Line":13}},{"line":26,"address":[1375563],"length":1,"stats":{"Line":13}},{"line":31,"address":[1452000,1452221],"length":1,"stats":{"Line":27}},{"line":32,"address":[1635614],"length":1,"stats":{"Line":8}},{"line":34,"address":[1428572,1428641],"length":1,"stats":{"Line":41}},{"line":35,"address":[1946434],"length":1,"stats":{"Line":27}},{"line":37,"address":[1459523],"length":1,"stats":{"Line":13}},{"line":40,"address":[1166725,1166656],"length":1,"stats":{"Line":5}},{"line":41,"address":[3160986,3161060],"length":1,"stats":{"Line":7}},{"line":42,"address":[1460405],"length":1,"stats":{"Line":2}},{"line":44,"address":[1241834],"length":1,"stats":{"Line":4}},{"line":47,"address":[2914018],"length":1,"stats":{"Line":1}},{"line":50,"address":[1535638],"length":1,"stats":{"Line":1}},{"line":55,"address":[2914080],"length":1,"stats":{"Line":26}},{"line":57,"address":[1452477],"length":1,"stats":{"Line":24}},{"line":61,"address":[37646784],"length":1,"stats":{"Line":4}},{"line":62,"address":[1166972,1167117,1167035],"length":1,"stats":{"Line":10}},{"line":67,"address":[1459947,1460309,1460268],"length":1,"stats":{"Line":12}},{"line":68,"address":[4473947],"length":1,"stats":{"Line":8}},{"line":71,"address":[1452976],"length":1,"stats":{"Line":14}},{"line":72,"address":[1242576],"length":1,"stats":{"Line":14}},{"line":78,"address":[1242486],"length":1,"stats":{"Line":27}},{"line":81,"address":[1249536,1249970],"length":1,"stats":{"Line":1}},{"line":82,"address":[2915049,2915159,2915280],"length":1,"stats":{"Line":3}},{"line":83,"address":[3162405],"length":1,"stats":{"Line":1}},{"line":87,"address":[1377488],"length":1,"stats":{"Line":12}},{"line":88,"address":[1593044],"length":1,"stats":{"Line":26}},{"line":107,"address":[1168649,1168819],"length":1,"stats":{"Line":39}},{"line":108,"address":[1168861],"length":1,"stats":{"Line":13}},{"line":109,"address":[37648865,37648955],"length":1,"stats":{"Line":26}},{"line":110,"address":[1462051,1462095],"length":1,"stats":{"Line":37}},{"line":115,"address":[1949024],"length":1,"stats":{"Line":26}},{"line":116,"address":[4475839],"length":1,"stats":{"Line":26}},{"line":134,"address":[1638862,1639032],"length":1,"stats":{"Line":39}},{"line":135,"address":[1378420],"length":1,"stats":{"Line":13}},{"line":136,"address":[1463522],"length":1,"stats":{"Line":13}},{"line":137,"address":[1639342,1639215],"length":1,"stats":{"Line":26}},{"line":138,"address":[1432271,1432322],"length":1,"stats":{"Line":39}}],"covered":43,"coverable":43},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","util.rs"],"content":"pub struct InstructionUtil {}\n\nimpl InstructionUtil {\n    /// Byte To Bools\n    /// Convert a u8 byte to an array of bool\n    pub fn byte_to_bools(to_convert: u8) -\u003e [bool; 8] {\n        let mut return_values = [false; 8];\n        for i in 0..8 {\n            let new_value = to_convert \u003e\u003e i \u0026 0x1 == 1;\n            return_values[i as usize] = new_value;\n        }\n        return_values\n    }\n\n    /// Byte To Bools\n    /// Convert an array of bool to a u8\n    pub fn bools_to_byte(to_convert: [bool; 8]) -\u003e u8 {\n        let mut return_value = 0u8;\n        for i in 0..to_convert.len() {\n            let new_bit = 0x1 \u003c\u003c i;\n            if to_convert[i] {\n                return_value |= new_bit\n            }\n        }\n        return_value\n    }\n\n    /// Split Bytes\n    /// Split a u16 into a pair of u8 values for high and low byte\n    pub fn split_bytes(to_split: u16) -\u003e (u8, u8) {\n        let high = to_split.rotate_left(8) as u8;\n        let low = (to_split \u0026 0xff) as u8;\n\n        (high, low)\n    }\n\n    /// Join Bytes\n    /// Joins 2 u8 into a single u16 with high and low\n    /// bytes provided\n    pub fn join_bytes(high: u8, low: u8) -\u003e u16 {\n        (high as u16) \u003c\u003c 8 | low as u16\n    }\n\n    /// Swap Endian\n    /// Swaps the endianess of a value\n    /// 0xabcd -\u003e 0xcdab\n    pub fn swap_endian(to_swap:u16) -\u003e u16 {\n        let low = to_swap \u0026 0xff;\n        let high = to_swap \u0026 0xff00;\n        low \u003c\u003c 8 | high \u003e\u003e 8\n    }\n\n    /// Split Bytes Swap Endian\n    /// Swaps endianness and return both bytes separately\n    pub fn split_bytes_swap_endian(to_split: u16) -\u003e (u8, u8) {\n        InstructionUtil::split_bytes(InstructionUtil::swap_endian(to_split))\n    }\n\n    /// Join Bytes Swap Endian\n    /// Swaps endianness and returns the combined bytes\n    pub fn join_bytes_swap_endian(high :u8, low: u8) -\u003e u16 {\n        InstructionUtil::swap_endian(InstructionUtil::join_bytes(high, low))\n    }\n\n    /// Read Address from Instruction\n    /// Reads the 'address' portion of an instruction\n    /// Returns the 12 LSB\n    /// 0xabcd -\u003e 0x0bcd\n    pub fn read_addr_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n        instruction_to_read_from \u0026 0x0FFF\n    }\n\n    /// Read Nibble from Instruction\n    /// Returns the lowest 4 bits of the instruction\n    /// 0xabcd -\u003e 0x0d\n    pub fn read_nibble_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n       ( instruction_to_read_from \u0026 0x000F )as u8\n    }\n\n    /// Read X From Instruction\n    /// Returns the 4 LSB of the high byte of the instruction\n    /// Returns bits 9-13\n    /// 0xabcd -\u003e 0x0b\n    pub fn read_x_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x0F00).rotate_right(8) as u8\n    }\n\n    /// Read Y from Instruction\n    /// Returns the 4 MSB from the low byte of the instruction\n    /// Returns bits 5-8\n    /// 0xabcd -\u003e 0x0c\n    pub fn read_y_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x00F0).rotate_right(4) as u8\n    }\n\n    /// Read Byte from Instruction\n    /// Returns the 8 LSB from the instruction\n    /// Returns bits 0-7\n    /// 0xabcd -\u003e 0xcd\n    pub fn read_byte_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x00FF) as u8\n    }\n\n    /// Alias for read_x_from_instruction\n    pub fn read_upper_byte_lower_nibble(to_read_from: u16) -\u003e u8 {\n        InstructionUtil::read_x_from_instruction(to_read_from)\n    }\n\n    pub fn read_bits_from_instruction(instruction_bytes: u16, first_bit: u8, last_bit: u8) -\u003e u16 {\n        // shift the value over by the 'first bit' bits\n        let working = instruction_bytes.rotate_right(first_bit as u32);\n        let mut working_mask: i32 = 0x00;\n        // build the mask\n        for _ in   first_bit..=last_bit {\n            working_mask = working_mask.rotate_left(1) | 0x01;\n        }\n\n        // apply the mask to the working value\n        working \u0026 working_mask as u16\n    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crate::chip8::video::Chip8VideoModes::{HighRes, LowRes};\nuse crate::constants::{\n    CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_MEMORY, CHIP8_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT,\n    SCHIP_VIDEO_WIDTH, SCHIP_VIDE_MEMORY,\n};\nuse serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub enum Chip8VideoModes {\n    LowRes,\n    HighRes,\n}\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8Video {\n    memory: Vec\u003cbool\u003e,\n    pub has_frame_changed: bool,\n    current_res: Chip8VideoModes,\n}\n\nimpl Chip8Video {\n    pub fn reset(\u0026mut self) {\n        self.cls();\n        self.set_lowres();\n        self.start_frame();\n    }\n\n    pub fn is_highres(\u0026self) -\u003e bool {\n        matches!(self.current_res, HighRes)\n    }\n\n    pub fn set_highres(\u0026mut self) {\n        self.current_res = HighRes;\n        self.cls();\n    }\n\n    pub fn set_lowres(\u0026mut self) {\n        self.current_res = LowRes\n    }\n\n    pub fn get_screen_resolution(\u0026mut self) -\u003e Chip8VideoModes {\n        self.current_res\n    }\n\n    pub fn cls(\u0026mut self) {\n        self.memory.clear();\n        let num_loops = match self.current_res {\n            LowRes =\u003e CHIP8_VIDEO_MEMORY,\n            HighRes =\u003e SCHIP_VIDE_MEMORY,\n        };\n        for _ in 0..num_loops {\n            self.memory.push(false);\n        }\n    }\n\n    pub fn start_frame(\u0026mut self) {\n        self.has_frame_changed = false;\n    }\n\n    pub fn new(initial_configuration: Box\u003cVec\u003cbool\u003e\u003e) -\u003e Self {\n        Self {\n            memory: *initial_configuration,\n            has_frame_changed: false,\n            current_res: Chip8VideoModes::LowRes,\n        }\n    }\n\n    pub fn peek(\u0026self, address: u16) -\u003e bool {\n        let loop_value: u16 = if self.is_highres() {\n            SCHIP_VIDE_MEMORY as u16\n        } else {\n            CHIP8_VIDEO_MEMORY as u16\n        };\n        let effective_address = if address \u003e= loop_value {\n            address % loop_value\n        } else {\n            address\n        };\n        self.memory[effective_address as usize]\n    }\n\n    pub fn poke(\u0026mut self, address: u16, new_value: bool) {\n        let loop_value: u16 = self.get_memory_size() as u16;\n        // Loop the address\n        let effective_address = address % loop_value;\n\n        let old_value = self.memory[effective_address as usize];\n        let xored_value = new_value ^ old_value; // XOR of the video\n                                                 // if the frame has already changed we dont care if it changed again.\n        if !self.has_frame_changed \u0026\u0026 old_value != xored_value {\n            self.has_frame_changed = true\n        }\n\n        //     println!(\"VIDEO POKE COMPLETE WITH {effective_address} SET TO {xored_value}\");\n        self.memory[effective_address as usize] = xored_value;\n    }\n\n    pub fn poke_byte(\u0026mut self, first_address: u16, to_write: u8) {\n        for i in (0..8).rev() {\n            self.poke(first_address + (7 - i), (to_write \u0026 (1 \u003c\u003c i)) != 0);\n        }\n    }\n\n    pub fn poke_2byte(\u0026mut self, first_address: u16, to_write: [u8; 2]) {\n        for (idx, _) in to_write.iter().enumerate() {\n            for i in (0..8).rev() {\n                self.poke(\n                    first_address + (idx * 8) as u16 + (7 - i),\n                    (to_write[idx] \u0026 (1 \u003c\u003c i)) != 0,\n                );\n            }\n        }\n    }\n\n    pub fn format_as_string(\u0026self) -\u003e String {\n        let (width, height) = self.get_resolution();\n        // println!(\"FORMATTING {width}x{height}\");\n        let mut output = String::new();\n        for row in 0..height {\n            for column in 0..width {\n                let data_offset = row * width + column;\n\n                if self.memory[data_offset as usize] {\n                    output += \"*\"\n                } else {\n                    output += \" \"\n                }\n            }\n            output += \"\\n\";\n        }\n        output\n    }\n\n    pub fn get_resolution(\u0026self) -\u003e (i32, i32) {\n        if self.is_highres() {\n            (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT)\n        } else {\n            (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT)\n        }\n    }\n    fn get_memory_size(\u0026self) -\u003e i32 {\n        let (width, height) = self.get_resolution();\n        width * height\n    }\n\n    pub fn tick(\u0026mut self) {\n        self.has_frame_changed = false;\n    }\n\n    pub fn scroll_right(\u0026mut self) {\n        // println!(\"SCROLLRIGHTPRE:::[{}]\", self.format_as_string());\n        let (width, height) = self.get_resolution();\n\n        for current_row in 0..height {\n            let row_offset: usize = (current_row * width) as usize;\n\n            // Shift pixels to the right by 4 in the current row\n            for current_column in (0..(width - 4)).rev() {\n                let source_address = row_offset + current_column as usize;\n                let target_address = source_address + 4;\n                self.memory[target_address] = self.memory[source_address];\n            }\n\n            // Clear the first 4 pixels in the current row\n            self.memory[row_offset..row_offset + 4].fill(false);\n        }\n        // println!(\"SCROLLRIGHTPOST:::[{}]\", self.format_as_string());\n    }\n\n    pub fn scroll_left(\u0026mut self) {\n        // println!(\"SCROLLLEFTPRE:::[{}]\", self.format_as_string());\n        let (width, height) = self.get_resolution();\n\n        for current_row in 0..height {\n            let row_offset = current_row * width;\n            for current_column in 0..width - 4 {\n                let target: usize = (row_offset + current_column) as usize;\n                let source: usize = target + 4;\n                self.memory[target] = self.memory[source];\n                // println!(\"Moving from {source} to {target}\");\n            }\n\n            let clear_start: usize = (row_offset + width - 4) as usize;\n            let clear_end: usize = clear_start + 4;\n\n            self.memory[clear_start..clear_end].fill(false);\n        }\n        // println!(\"SCROLLLEFTPOST:::[{}]\", self.format_as_string());\n    }\n\n    pub fn scroll_up(\u0026mut self, how_far: \u0026u8) {\n        let how_far = *how_far as i32;\n        let (width, height) = self.get_resolution();\n        let row_shift = how_far * width;\n\n        for current_source_row in how_far..height {\n            let current_source_offset = current_source_row * width;\n            for current_source_column in 0..width {\n                let base_offset: usize = (current_source_offset + current_source_column) as usize;\n                let shifted_offset: usize = base_offset - row_shift as usize;\n                self.memory[shifted_offset] = self.memory[base_offset];\n            }\n        }\n\n        // Clear the new bottom rows after shifting\n        let clear_start = ((height - how_far) * width) as usize;\n        self.memory[clear_start..].fill(false);\n    }\n\n    pub fn scroll_down(\u0026mut self, how_far: i32) {\n        let (width, height) = self.get_resolution();\n        let row_shift = how_far * width;\n\n        let max_source_row = height - how_far;\n        for current_source_row in (0..max_source_row).rev() {\n            let current_source_offset = current_source_row * width;\n            for current_source_column in 0..width {\n                let base_offset: usize = (current_source_offset + current_source_column) as usize;\n                let extended_offset: usize = base_offset + row_shift as usize;\n                self.memory[extended_offset] = self.memory[base_offset];\n            }\n        }\n\n        // Clear the new top rows after shifting\n        let clear_end = (how_far * width) as usize;\n        self.memory[0..clear_end].fill(false);\n    }\n}\n\nimpl Default for Chip8Video {\n    fn default() -\u003e Self {\n        let mut mem = vec![];\n        for _ in 0..CHIP8_VIDEO_MEMORY {\n            mem.push(false);\n        }\n        Chip8Video {\n            memory: mem,\n            has_frame_changed: false,\n            current_res: LowRes,\n        }\n    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crate::chip8::instructions::Chip8CpuInstructions;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8_2::instructions::instruction_trait::InstructionTrait;\n\nstruct Add {\n    pub relative: bool,\n    pub source: Option\u003cChip8Registers\u003e,\n    pub destination: Chip8Registers,\n    pub literal: Option\u003cu8\u003e\n}\n\nimpl InstructionTrait for Add {\n    fn length(\u0026self) -\u003e u8 {\n        1\n    }\n\n    fn encoded(\u0026self) -\u003e Chip8CpuInstructions {\n    }\n\n    fn decode(from: Vec\u003cu8\u003e) -\u003e \u0026dyn InstructionTrait {\n\n        todo!()\n    }\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","call.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","cls.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","drw.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","exit.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","high.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","jp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","ld.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","low.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","ret.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","rnd.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scd.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scl.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","scr.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","se.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sknp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","skp.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sne.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8_2","instructions","sys.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","constants.rs"],"content":"\npub const CHIP8_REGISTER_COUNT: i32 = 16;\npub const CHIP8_MEMORY_SIZE: i32 = 4096i32;\npub const CHIP8_VIDEO_WIDTH: i32 = 64i32;\npub const CHIP8_VIDEO_HEIGHT: i32 = 32i32;\npub const CHIP8_VIDEO_MEMORY: usize = (CHIP8_VIDEO_HEIGHT * CHIP8_VIDEO_WIDTH) as usize;\npub const CHIP8_ROM_SIZE: usize = 512;\n\npub const LABEL_QUIRK_CHIP8:  \u0026str = \"Chip8\";\npub const LABEL_QUIRK_XOCHIP: \u0026str = \"XO Chip\";\npub const LABEL_QUIRK_SCHIP: \u0026str = \"SChip-Modern\";\n\npub const BASE_ROOT: \u0026'static str = \u0026(env!(\"CARGO_MANIFEST_DIR\"));\npub const RESOURCES_ROOT: \u0026'static str = concat!(env!(\"CARGO_MANIFEST_DIR\"), \"/../resources\");\npub const TESTS_ROOT: \u0026'static str = concat!(env!(\"CARGO_MANIFEST_DIR\"), \"/../resources/test\");\npub const TEST_ROM_ROOT: \u0026'static str =concat!(env!(\"CARGO_MANIFEST_DIR\"), \"/../resources/test/roms\");\n\npub const CHIP8_KEYBOARD: [[u8; 4]; 4] = [\n    [0x01, 0x02, 0x03, 0x0C],\n    [0x04, 0x05, 0x06, 0x0D],\n    [0x07, 0x08, 0x09, 0x0E],\n    [0x0A, 0x00, 0x0B, 0x0F],\n];\n\npub const SCHIP_VIDEO_HEIGHT: i32 = 64;\npub const SCHIP_VIDEO_WIDTH: i32 = 128;\npub const SCHIP_VIDE_MEMORY: usize = (SCHIP_VIDEO_HEIGHT * SCHIP_VIDEO_WIDTH) as usize;\n\npub const INST_ADDI: \u0026str = \"ADDI\";\npub const INST_ADD: \u0026str = \"ADD\";\npub const INST_ADDR: \u0026str = \"ADDR\";\npub const INST_AND: \u0026str = \"AND\";\npub const INST_CLS: \u0026str = \"CLS\";\npub const INST_CALL: \u0026str = \"CALL\";\npub const INST_DRW: \u0026str = \"DRW\";\npub const INST_EXIT: \u0026str = \"EXIT\";\npub const INST_JPA: \u0026str = \"JPA\";\npub const INST_JPI: \u0026str = \"JPI\";\npub const INST_JPX: \u0026str = \"JPX\";\npub const INST_BCD: \u0026str = \"BCD\";\npub const INST_LDD: \u0026str = \"LDD\";\npub const INST_LDF: \u0026str = \"LDF\";\npub const INST_LDF2: \u0026str = \"LDF2\";\npub const INST_LDIA: \u0026str = \"LDIA\";\npub const INST_LDIX: \u0026str = \"LDIX\";\npub const INST_LIDR: \u0026str = \"LIDR\";\npub const INST_LDIS: \u0026str = \"LDIS\";\npub const INST_LDR: \u0026str = \"LDR\";\npub const INST_LDRD: \u0026str = \"LDRD\";\npub const INST_LDRI: \u0026str = \"LDRI\";\npub const INST_LDRK: \u0026str = \"LDRK\";\npub const INST_LDRY: \u0026str = \"LDRY\";\npub const INST_OR: \u0026str = \"OR\";\npub const INST_RET: \u0026str = \"RET\";\npub const INST_RND: \u0026str = \"RND\";\npub const INST_SCD: \u0026str = \"SCD\";\npub const INST_SCR: \u0026str = \"SCR\";\npub const INST_SCL: \u0026str = \"SCL\";\npub const INST_SEX: \u0026str = \"SEX\";\npub const INST_SEY: \u0026str = \"SEY\";\npub const INST_SHL: \u0026str = \"SHL\";\npub const INST_SHR: \u0026str = \"SHR\";\npub const INST_SKP: \u0026str = \"SKP\";\npub const INST_SKNP: \u0026str = \"SKNP\";\npub const INST_SNEB: \u0026str = \"SNEB\";\npub const INST_SNEY: \u0026str = \"SNEY\";\npub const INST_STR: \u0026str = \"STR\";\npub const INST_SUB: \u0026str = \"SUB\";\npub const INST_SUBC: \u0026str = \"SUBC\";\npub const INST_SYS: \u0026str = \"SYS\";\npub const INST_LOW: \u0026str = \"LOW\";\npub const INST_HIGH: \u0026str = \"HIGH\";\npub const INST_ORY: \u0026str = \"ORY\";\npub const INST_SCU: \u0026str = \"SCU\";\n/// Data Word\n/// Data to be loaded to memory for application use\npub const INST_DW: \u0026str = \"DW\";\n\npub const XXXXERRORINSTRUCTION_ENCODED: u16 = 0x0000;\n\npub const CHIP8_PROGRAM_LOAD_OFFSET: i32 = 0x200;\npub const CHIP8FONT_0: [u8; 5] = [0xF0, 0x90, 0x90, 0x90, 0xF0];\npub const CHIP8FONT_1: [u8; 5] = [0x20, 0x60, 0x20, 0x20, 0x70];\npub const CHIP8FONT_2: [u8; 5] = [0xF0, 0x10, 0xF0, 0x80, 0xF0];\npub const CHIP8FONT_3: [u8; 5] = [0xF0, 0x10, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_4: [u8; 5] = [0x90, 0x90, 0xF0, 0x10, 0x10];\npub const CHIP8FONT_5: [u8; 5] = [0xF0, 0x80, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_6: [u8; 5] = [0xF0, 0x80, 0xF0, 0x90, 0xF0];\npub const CHIP8FONT_7: [u8; 5] = [0xF0, 0x10, 0x20, 0x40, 0x40];\npub const CHIP8FONT_8: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0xF0];\npub const CHIP8FONT_9: [u8; 5] = [0xF0, 0x90, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_A: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0x90];\npub const CHIP8FONT_B: [u8; 5] = [0xE0, 0x90, 0xE0, 0x90, 0xE0];\npub const CHIP8FONT_C: [u8; 5] = [0xF0, 0x80, 0x80, 0x80, 0xF0];\npub const CHIP8FONT_D: [u8; 5] = [0xE0, 0x90, 0x90, 0x90, 0xE0];\npub const CHIP8FONT_E: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0xF0];\npub const CHIP8FONT_F: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0x80];\n\npub const SCHIPFONT_OFFSET: u32 = 0x81;\npub const SCHIPFONT_0: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_1: [u8; 0x0A] = [0x20, 0x60, 0xA0, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x70];\npub const SCHIPFONT_2: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0xF0, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_3: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_4: [u8; 0x0A] = [0x90, 0x90, 0x90, 0x90, 0xF0, 0x10, 0x10, 0x10, 0x10, 0x10];\npub const SCHIPFONT_5: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_6: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_7: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10];\npub const SCHIPFONT_8: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_9: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_A: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x90, 0x90, 0x90, 0x90, 0x90];\npub const SCHIPFONT_B: [u8; 0x0A] = [0xE0, 0x90, 0x90, 0x90, 0xE0, 0x90, 0x90, 0x90, 0x90, 0xE0];\npub const SCHIPFONT_C: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_D: [u8; 0x0A] = [0xE0, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xE0];\npub const SCHIPFONT_E: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_F: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x80, 0x80, 0x80, 0x80, 0x80];\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","lib.rs"],"content":"pub mod chip8 {\n    pub mod video;\n    pub mod sound_timer;\n    pub mod delay_timer;\n    pub mod keypad;\n    pub mod computer;\n    pub mod system_memory;\n    pub mod instructions;\n    pub mod cpu_states;\n    pub mod util;\n    pub mod registers;\n\n    pub mod stack;\n    pub  mod computer_manager;\n    pub mod quirk_modes;\n}\n\npub mod constants;","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","computer_manager.rs"],"content":"mod test_utils;\nuse std::path::Path;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::constants::TEST_ROM_ROOT;\nuse crate::test_utils::load_compressed_result;\n\n/// Tests the ComputerManager structure\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n\n#[test]\nfn default_test() {\n    let new_manager = Chip8ComputerManager::default();\n\n    assert_eq!(new_manager.core_should_run, false);\n    assert_eq!(new_manager.num_cycles(), 0);\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n}\n\n#[test]\nfn quirks_mode_test() {\n    let mut new_manager = Chip8ComputerManager::default();\n\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n\n    new_manager.reset(QuirkMode::XOChip);\n\n    assert_eq!(new_manager.quirks_mode(), XOChip);\n\n    new_manager.reset(QuirkMode::SChipModern);\n\n    assert_eq!(new_manager.quirks_mode(), SChipModern);\n\n    new_manager.reset(Chip8);\n\n    assert_eq!(new_manager.quirks_mode(), Chip8);\n}\n\n#[test]\nfn load_rom_allows_starting() {\n    let mut new_manager = Chip8ComputerManager::default();\n    assert!(!new_manager.core_should_run);\n    let p = TEST_ROM_ROOT.to_string() + \"/1-chip8-logo.ch8\";\n    let full_path = Path::new(p.as_str());\n    new_manager.load_new_program_from_disk_to_system_memory(full_path);\n    assert!(new_manager.core_should_run)\n}\n\n#[test]\nfn reset_clears_run_state() {\n    let mut new_manager = Chip8ComputerManager::default();\n    let p = format!(\n        \"{}/../resources/test/roms/1-chip8-logo.ch8\",\n        std::env::current_dir().unwrap().display()\n    );\n    new_manager.load_new_program_from_disk_to_system_memory(Path::new(p.as_str()));\n    new_manager.reset(QuirkMode::Chip8);\n    assert!(!new_manager.core_should_run);\n}\n\n#[test]\nfn tick_when_ready() {\n    let mut new_manager = Chip8ComputerManager::default();\n    new_manager.load_new_program_from_disk_to_system_memory(Path::new(\n        format!(\n            \"{}/../resources/test/roms/1-chip8-logo.ch8\",\n            std::env::current_dir().unwrap().display()\n        )\n            .as_str(),\n    ));\n    assert!(new_manager.core_should_run);\n}\n\n\n#[test]\nfn start_stop_computer() {\n    let mut computer = Chip8ComputerManager::new();\n\n    assert_eq!(computer.core_should_run, false);\n    computer.start();\n    assert_eq!(computer.core_should_run, true);\n    computer.step();\n    assert_eq!(computer.core_should_run, true);\n    computer.stop();\n    assert_eq!(computer.core_should_run, false);\n    computer.reset(Chip8);\n    assert_eq!(computer.core_should_run, false);\n}\n\n\n#[test]\nfn state_default_matches() {\n    let computer = Chip8Computer::default();\n    let mut manager = Chip8ComputerManager::default();\n    assert_eq!(computer, *manager.state());\n}\n\n#[test]\nfn keys_test_manager() {\n    let mut manager = Chip8ComputerManager::default();\n\n    for i in 0..16 {\n        assert_eq!(manager.is_key_pressed(i), false);\n    }\n\n    // press key 5\n    manager.press_key(5);\n    assert_eq!(manager.is_key_pressed(5), true);\n    manager.release_key(5);\n    assert_eq!(manager.is_key_pressed(5), false);\n}\n\n#[test]\n#[ignore]\nfn status_of_manager() {\n    let mut manager = Chip8ComputerManager::default();\n    println!(\"MANAGER STATUS [{}]\", manager.status_as_string());\n    let expected_state = load_compressed_result(\"test_manager_status\");\n    assert_eq!(expected_state, manager.status_as_string());\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","computer_tests.rs"],"content":"mod test_utils;\nuse crate::test_utils::load_compressed_result;\nuse crate::test_utils::load_rom;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::chip8::registers::Chip8Registers;\nuse gemma::constants::{CHIP8_VIDEO_MEMORY, TEST_ROM_ROOT};\nuse std::path::Path;\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\nfn reset_clears_video() {\n    let mut x = Chip8Computer::new();\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        x.video_memory.poke(i as u16, i % 2 == 0);\n    }\n\n    x.reset(gemma::chip8::quirk_modes::QuirkMode::Chip8);\n    x.video_memory.reset();\n\n    assert_eq!(x.dump_video_to_string(), x.video_memory.format_as_string());\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n}\n\n#[test]\nfn level1_test() {\n    let mut x = Chip8Computer::new();\n    let level_1_rom = load_rom(\"1-chip8-logo\");\n    x.load_bytes_to_memory(0x200, \u0026level_1_rom);\n\n    // run for 0x40 cycles\n    while x.num_cycles \u003c 0x40 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_level_1_test\")\n    );\n}\n\n#[test]\nfn level2_test() {\n    let mut x = Chip8Computer::new();\n    // Load the IBM rom and run it.\n    // it takes 39 cycles to get to the end so lets run it 40.\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"2-ibm-logo\"));\n    for _ in 0..40 {\n        x.step_system();\n    }\n    // ...then verify that the current video memory of the chip-8\n    // simulator matches what we expect it to be\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_ibm_rom_output\")\n    );\n}\n\n#[test]\nfn level3_test() {\n    let mut x = Chip8Computer::new();\n\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"3-corax+\"));\n    for _ in 0..0x180 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_corax_plus\")\n    );\n}\n\n#[test]\nfn level3_compressed_test() {\n    let mut x = Chip8Computer::new();\n\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"3-corax+\"));\n    for _ in 0..0x180 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_corax_plus\")\n    );\n}\n\n#[test]\nfn rps_test() {\n    let mut x = Chip8Computer::new();\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"RPS\"));\n    for _ in 0..0xF0 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_rps_stage1\")\n    );\n    x.keypad.push_key(0x01);\n    for _ in 0..0x200 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_rps_stage2\")\n    );\n}\n\n#[test]\nfn level4_test() {\n    // flags\n    let mut x = Chip8Computer::new();\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"4-flags\"));\n    for _ in 0..0x400 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_flags\")\n    );\n}\n\n#[test]\nfn partial_eq_chip8computer() {\n    let x = Chip8Computer::new();\n    let y = Chip8Computer::new();\n    assert_eq!(x, y)\n}\n\n#[test]\nfn tick_when_not_ready() {}\n\n#[test]\nfn tick_one_step_only() {}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","delay_timer.rs"],"content":"use gemma::chip8::delay_timer::DelayTimer;\n\n#[test]\nfn delay_timer_default() {\n    let x = DelayTimer::default();\n    assert_eq!(x.current(), 0xff);\n}\n\n#[test]\nfn delay_timer_ticks_reduce_time() {\n    let mut st = DelayTimer::new();\n    st.set_timer(100);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 97);\n}\n\n#[test]\nfn delay_timer_out_of_ticks_works() {\n    let mut st = DelayTimer::new();\n    st.set_timer(0);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 0);\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","instructions.rs"],"content":"mod test_utils;\nuse log::debug;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::constants::{CHIP8FONT_2, CHIP8_VIDEO_MEMORY};\nuse crate::test_utils::read_compressed_test_result;\n\n\n\n/// START OF THE EXECUTION TESTS\n#[test]\nfn instruction_tests() {\n    // 0x0nnn Exit to System Call\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0xFA0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0xFA0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::SYS(0x0AF).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x0AF);\n\n    // 0x1nnn Jump to Address\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::JPA(0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::JPA(0xABC).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0xABC);\n\n    // 0x6xkk Set Vx = kk\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDR(1, 0x12).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0x12);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDR(2, 0x21).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(2), 0x21);\n\n    // 0x3xkk Skip next instruction if Vx = kk.\n    // The interpreter compares register Vx to kk,\n    // and if they are equal, increments the program counter by 2.\n\n    // test setup: Load value 0x84 into V1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x84);\n    Chip8CpuInstructions::SEX(1, 0x48).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x84);\n    Chip8CpuInstructions::SEX(1, 0x84).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    // 0x4xkk Skip next instruction if Vx != kk\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x84);\n    x.registers.poke(0x2, 0x84);\n    // skip, compare 0x84 to 0x84\n    Chip8CpuInstructions::SEY(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x84);\n    x.registers.poke(0x2, 0x48);\n    Chip8CpuInstructions::SEY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    // 0x8xy0 Set value of Vy in Vx\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::LDRY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0x02);\n\n    // 0x8xy1 Set Vx = Vx OR Vy\n    //   0b0101 0000 (0x50)\n    // | 0b0000 1010 (0x0A)\n    //   0b0101 1010 (0x5A)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0b01010000);\n    x.registers.poke(0x02, 0b00001010);\n    Chip8CpuInstructions::OR(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b01011010);\n\n    // 0x8xy2 Set Vx = Vx AND Vy\n    //   0b1111 1100 (0xFC)\n    // \u0026 0b1100 1010 (0xCA)\n    //   0b1100 1000 (0xC8)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xFC);\n    x.registers.poke(0x02, 0xCA);\n    Chip8CpuInstructions::AND(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0xC8);\n\n    // 0x8xy3 Set Vx = Vx XOR Vy\n    //   0b1111 1100 (0xFC)\n    // ^ 0b1100 1010 (0xCA)\n    //   0b0011 0110 (0x36)\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0b11111100);\n    x.registers.poke(0x02, 0b11001010);\n    Chip8CpuInstructions::ORY(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b00110110);\n\n    // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n    //    T1             T2: Judgement Test\n    //   0x01           0xFF\n    // + 0x01           0x01\n    //   0x02 F0        0x00 F1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 00);\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 0x00);\n    assert_eq!(x.registers.peek(0x01), 0x02);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0xff);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(1, 2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 1);\n    assert_eq!(x.registers.peek(1), 0);\n\n    /*\n    Set Vx = Vx SHR 1.\n\n    If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx is divided by 2.\n    */\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0b00001000);\n    x.registers.poke(0x02, 0b00000000);\n    Chip8CpuInstructions::SHR(0x1, 0x2).execute(\u0026mut x); // 0b0000 0010 (0x02) (Not Set)\n    assert_eq!(x.registers.peek(1), 0b00000100);\n    assert_eq!(x.registers.peek(0xf), 0);\n\n    x = Chip8Computer::new();\n    x.registers.poke(0x0f, 0x00);\n    x.registers.poke(0x01, 0b00001001);\n    Chip8CpuInstructions::SHR(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0b00000100);\n    assert_eq!(x.registers.peek(0xf), 1);\n\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::LDIA(0x123).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0x123);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn jp_v0addr_test() {\n    let mut x = Chip8Computer::new();\n    /// jump to I + nnn\n    x.registers.poke(0x0, 0xff);\n    Chip8CpuInstructions::JPI(0x100).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x1FF);\n}\n\n#[test]\nfn cls_test() {\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::CLS.execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n    // draw some thing to the video memory\n    x.video_memory.poke(0x01, true);\n    x.video_memory.poke(0x03, true);\n    x.video_memory.poke(0x05, true);\n\n    Chip8CpuInstructions::CLS.execute(\u0026mut x);\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n}\n\n#[test]\nfn skip_next_instruction_ne_text() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::SNEB(0x1, 0x0f).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::SNEB(0x1, 0xf0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn addivx_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke_i(0xabc);\n    x.registers.poke(0x0, 0x10);\n    Chip8CpuInstructions::ADDI(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0xacc);\n}\n\n#[test]\nfn ldstvt_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::LDIS(0x01).execute(\u0026mut x);\n    assert_eq!(x.sound_timer.current(), 0xf0);\n    x.sound_timer.tick();\n    x.sound_timer.tick();\n    x.sound_timer.tick();\n    assert_eq!(x.sound_timer.current(), 0xed);\n}\n\n#[test]\nfn rnd_vx_byte_text() {\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::RND(0x1, 0x0f).execute(\u0026mut x);\n    let new_value = x.registers.peek(0x1);\n    assert!(new_value \u003c 0x10);\n}\n\n#[test]\nfn add_vx_byte_test() {\n    let mut x = Chip8Computer::new();\n    // set a value in the register\n    x.registers.poke(0x01, 0xab);\n    // add 0x10 to register\n    Chip8CpuInstructions::ADD(0x1, 0x10).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(1), 0xbb);\n}\n\n#[test]\nfn sub_vx_vy_test() {\n    let mut x = Chip8Computer::new();\n    // load values in 2 registers\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x08);\n    Chip8CpuInstructions::SUB(0x1, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0xf), 1);\n    assert_eq!(x.registers.peek(0x1), 0x8);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n}\n\n#[test]\nfn sne_vx_vy_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x10);\n    Chip8CpuInstructions::SNEY(0x1, 0x2).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    x.registers.poke(0x2, 0x00);\n    Chip8CpuInstructions::SNEY(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204)\n}\n\n#[test]\nfn ld_dt_vx_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0x10);\n    Chip8CpuInstructions::LDD(0x1).execute(\u0026mut x);\n    assert_eq!(x.delay_timer.current(), 0x10);\n    for _ in 0..0x20 {\n        x.delay_timer.tick();\n    }\n    assert_eq!(x.delay_timer.current(), 0);\n}\n\n\n#[test]\nfn ld_vx_dt_test() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xf0);\n    Chip8CpuInstructions::LDD(0x1).execute(\u0026mut x);\n    x.delay_timer.tick();\n    x.delay_timer.tick();\n    x.delay_timer.tick();\n    assert_eq!(x.delay_timer.current(), 0xed);\n}\n\n#[test]\nfn subn_vx_vy_test() {\n    // This instruction subtracts the value in\n    // register Vx from the value in register Vy and stores the result in register Vx.\n    // The subtraction is performed as follows: Vx = Vy - Vx. If Vy is less than Vx,\n    // the result will wrap around (due to the 8-bit nature of the registers).\n    // The carry flag (VF) is set to 1 if there is no borrow (i.e., Vy is greater\n    // than or equal to Vx), and it is set to 0 if there is a borrow.\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0xa0);\n    x.registers.poke(0x2, 0xab);\n    Chip8CpuInstructions::SUBC(0x1, 0x2).execute(\u0026mut x);\n    // expect the result to be 0x0b\n    assert_eq!(x.registers.peek(0x1), 0x0b);\n    // expect the vf register to be set to 1 as there was overflow\n    assert_eq!(x.registers.peek(0xf), 0x1);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xab);\n    x.registers.poke(0x02, 0xa0);\n    Chip8CpuInstructions::SUBC(0x1, 0x2).execute(\u0026mut x);\n\n    // expect the result to be 11110101, -0xB, -11, 245, 0xF5\n    assert_eq!(x.registers.peek(0x1), 0xf5);\n    assert_eq!(x.registers.peek(0xf), 0x0);\n\n    // 8xyE - SHL Vx {, Vy}\n    // Set Vx = Vx SHL 1.\n    //\n    // If the most-significant bit of Vx is 1, then VF is set to 1, otherwise to 0. Then Vx is multiplied by 2.\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0b00100000);\n    Chip8CpuInstructions::SHL(0x1, 0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x1), 0b01000000);\n    assert_eq!(x.registers.peek(0xf), 0x0);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x1, 0b10101010);\n    Chip8CpuInstructions::SHL(0x1, 0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x1), 0b01010100);\n    assert_eq!(x.registers.peek(0xf), 0x1);\n\n    // Fx29 - LD F, Vx\n    // Set I = location of sprite for digit Vx.\n    //\n    // The value of I is set to the location for the hexadecimal sprite corresponding to the value of Vx. See section 2.4, Display, for more information on the Chip-8 hexadecimal font.\n    let mut x = Chip8Computer::new();\n    // target_sprite = 2\n    // target_offset = 0x5\n    x.registers.poke(0x1, 0x2);\n    Chip8CpuInstructions::LDFX(0x1).execute(\u0026mut x);\n\n    assert_eq!(x.registers.peek_i(), 10);\n\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x06);\n    Chip8CpuInstructions::LDFX(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 30);\n\n    // Fx33 - LD B, Vx\n    // Store BCD representation of Vx in memory locations I, I+1, and I+2.\n    //\n    // The interpreter takes the decimal value of Vx, and places the hundreds digit\n    // in memory at location in I, the tens digit at location I+1,\n    // and the ones digit at location I+2.\n    let mut x = Chip8Computer::new();\n\n    // load the value 123 (0x7b)\n    x.registers.poke(0x1, 0x7b);\n    x.registers.poke_i(0x500);\n    Chip8CpuInstructions::BCD(0x1).execute(\u0026mut x);\n    assert_eq!(x.memory.peek(0x500), 0x1);\n    assert_eq!(x.memory.peek(0x501), 0x2);\n    assert_eq!(x.memory.peek(0x502), 0x3);\n\n    // Store registers V0 through Vx in memory starting at location I.\n    //\n    // The interpreter copies the values of registers V0 through Vx into memory,\n    // starting at the address in I.\n    let mut x = Chip8Computer::new();\n\n    // Load Registers.\n    let to_load = [0xab, 0xba, 0xca, 0xca, 0xbe, 0xef];\n    for (idx, val) in to_load.iter().enumerate() {\n        x.registers.poke(idx as u8, *val);\n    }\n    x.registers.poke_i(0x500);\n\n    Chip8CpuInstructions::LDIX(to_load.len() as u8).execute(\u0026mut x);\n\n    // Verify the values are in memory from 0x500 to 0x507\n    for (idx, value) in to_load.iter().enumerate() {\n        assert_eq!(x.memory.peek(0x500 + idx as u16), *value);\n    }\n\n    // Read registers V0 through Vx from memory starting at location I.\n    //\n    // The interpreter reads values from memory starting at location I into registers V0 through Vx.\n\n    let mut x = Chip8Computer::new();\n\n    let base_offset = 0x500;\n    let to_load = [0xab, 0xba, 0xca, 0xca, 0xbe, 0xef];\n\n    // start by setting values in memory\n    for (idx, memory) in to_load.iter().enumerate() {\n        let target_address = base_offset + idx;\n        let target_value = *memory;\n        x.memory.poke(target_address as u16, target_value);\n    }\n    // where to load from\n    x.registers.poke_i(0x500);\n    // how much to load\n    x.registers.poke(0x6, to_load.len() as u8);\n\n    // then copying them values memory to registers\n    Chip8CpuInstructions::LDRI(0x6).execute(\u0026mut x);\n\n    // now check that we have the right values in our registers\n    for (idx, value) in to_load.iter().enumerate() {\n        assert_eq!(x.registers.peek(idx as u8), *value);\n    }\n\n    // ExA1 - SKNP Vx\n    // Skip next instruction if key with the value of Vx is not pressed.\n    //\n    // Checks the keyboard,\n    // and if the key corresponding to the value of Vx is currently in the up position,\n    // PC is increased by 2.\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x5);\n    x.registers.poke(0x1, 0x5);\n    Chip8CpuInstructions::SKNP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x202);\n    x.keypad.release_key(0x5);\n    Chip8CpuInstructions::SKNP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x206);\n\n    // Ex9E - SKP Vx\n    // Skip next instruction if key with the value of Vx is pressed.\n    //\n    // Checks the keyboard, and if the key corresponding to the value of Vx is currently in the down position, PC is increased by 2.\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x5);\n    x.registers.poke(0x1, 0x5);\n    Chip8CpuInstructions::SKP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x204);\n\n    x.keypad.release_key(0x5);\n    Chip8CpuInstructions::SKP(0x1).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x206);\n}\n\n#[test]\n#[ignore]\nfn draw_nibble_vx_vy_n_test_hd() {\n    let mut x = Chip8Computer::new();\n\n    let x_register = 0x01;\n    let x_offset = 0x03;\n    let y_register = 0x02;\n    let y_offset = 0x04;\n    let char_offset = 0x100;\n    x.registers.poke(x_register, x_offset);\n    x.registers.poke(y_register, y_offset);\n    x.video_memory.set_highres();\n    x.registers.poke_i(char_offset);\n    Chip8CpuInstructions::DRW(x_register, y_register, 0).execute(\u0026mut x);\n\n    println!(\"[[{}]]\", x.video_memory.format_as_string());\n\n    assert_eq!(read_compressed_test_result(\"\"), x.video_memory.format_as_string());\n}\n\n#[test]\nfn draw_nibble_vx_vy_n_test_sd() {\n    let mut x = Chip8Computer::new();\n    let x_register = 0x1;\n    let y_register = 0x2;\n    let x_offset = 1;\n    let y_offset = 2;\n    let char_offset = 0x0A;\n\n    // now lets set the X and Y to 1,2\n    x.registers.poke(x_register, x_offset);\n    x.registers.poke(y_register, y_offset);\n    x.registers.poke_i(char_offset);\n    // we are using 5 rows.\n    Chip8CpuInstructions::DRW(x_register, y_register, 5).execute(\u0026mut x);\n\n    // now check that video memory has the values at\n    // 1,2-\u003e1,9\n    // 2,2-\u003e2,9\n    // 3,2-\u003e3,9\n    // 4,2-\u003e4,9\n    // 5,2-\u003e5,9\n    //  let byte_to_check = CHIP8FONT_0[0];\n    for row_in_sprite in 0..5 {\n        let row_data = CHIP8FONT_2[row_in_sprite];\n        for bit_in_byte in 0..8 {\n            let data_offset =\n                (x_offset as u16 + row_in_sprite as u16) * 64 + (bit_in_byte + y_offset) as u16;\n            let real_bit_in_byte = 7 - bit_in_byte;\n            let shifted_one = 0x01 \u003c\u003c real_bit_in_byte;\n            let one_shift_set = (shifted_one \u0026 row_data) \u003e 0;\n            debug!(\"ROWDATA = \\t\\t[{row_data:08b}]\\tBIT IN BYTE = \\t[{bit_in_byte}]\\tONE_SHIFT_SET = [{one_shift_set}]\\tSHIFTED ONE = [{shifted_one:08b}]\");\n            debug!(\"DATA_OFFSET FOR SOURCE DATA {}x{} is {} / offset by {}x{} and should be {} working with byte {:08b}\",\n                         bit_in_byte, row_in_sprite, data_offset, x_offset, y_offset, one_shift_set, row_data);\n        }\n    }\n}\n\n#[test]\nfn sub_test() {\n    // 2nnn\n    // Call a subroutine at 2nnn\n    let mut x = Chip8Computer::new();\n    Chip8CpuInstructions::CALL(0x124).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x124);\n    assert_eq!(x.stack.depth(), 1);\n    Chip8CpuInstructions::CALL(0x564).execute(\u0026mut x);\n    assert_eq!(x.registers.peek_pc(), 0x564);\n    assert_eq!(x.stack.depth(), 2);\n\n    // SETUP\n    // Return from a subroutine.\n    let mut x = Chip8Computer::new();\n    x.stack.push(\u00260x132);\n    x.stack.push(\u00260xabc);\n    // EXECUTE\n    Chip8CpuInstructions::RET.execute(\u0026mut x);\n    // VERIFY\n    assert_eq!(x.registers.peek_pc(), 0xabc);\n    assert_eq!(x.stack.depth(), 1);\n    // EXECUTE\n    Chip8CpuInstructions::RET.execute(\u0026mut x);\n    // VERIFY\n    assert_eq!(x.registers.peek_pc(), 0x132);\n    assert_eq!(x.stack.depth(), 0);\n}\n\n#[test]\nfn ldvxk_test() {\n    // SETUP\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    Chip8CpuInstructions::LDRK(0x1).execute(\u0026mut x);\n    assert!(matches!(\n        x.state,\n        gemma::chip8::cpu_states::Chip8CpuStates::WaitingForKey\n    ));\n}\n\n#[test]\nfn series8xy4_corex_tests() {\n    /// 8xy4\n    /// Set Vx = Vx + Vy\n    /// Set VF=1 if Carry\n    ///\n    // 1 + 1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x02);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    // 255+1\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0xff);\n    x.registers.poke(0x02, 0x01);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x00);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n\n    // 128+192\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 128);\n    x.registers.poke(0x02, 192);\n    Chip8CpuInstructions::ADDR(0x01, 0x02).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 64);\n    assert_eq!(x.registers.peek(0x0f), 1);\n\n    // 8xy6 - SHR Vx {, Vy}\n    // Set Vx = Vx SHR 1.\n    //\n    // If the least-significant bit of Vx is 1, then VF is set to 1,\n    // otherwise 0. Then Vx is divided by 2.\n    let mut x = Chip8Computer::new();\n    // 0b10101010 -\u003e 0b01010101\n    x.registers.poke(0x01, 0b10101010);\n    x.registers.poke(0x0f, 0x0);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01010100);\n    assert_eq!(x.registers.peek(0x0f), 1);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b10101000);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01010000);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b10100000);\n    assert_eq!(x.registers.peek(0x0f), 0x00);\n\n    Chip8CpuInstructions::SHL(0x01, 0x00).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0b01000000);\n    assert_eq!(x.registers.peek(0x0f), 0x01);\n}\n\n#[test]\nfn random_produces_different_numbers() {\n    let mut x = Chip8Computer::new();\n    x.registers.poke(0x01, 0x00);\n    let first_number = Chip8CpuInstructions::RND(0x01, 0xff)\n        .execute(\u0026mut x)\n        .registers\n        .peek(0x01);\n    let second_number = Chip8CpuInstructions::RND(0x01, 0xff)\n        .execute(\u0026mut x)\n        .registers\n        .peek(0x01);\n    assert_ne!(first_number, second_number);\n}\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","keypad.rs"],"content":"mod test_utils;\nuse crate::test_utils::read_compressed_test_result;\nuse gemma::chip8::keypad::Keypad;\n\n#[test]\nfn keypad_keys_check() {\n    let mut k = Keypad::new();\n\n    for i in 0..16 {\n        assert!(!k.key_state(i));\n    }\n\n    // press a key\n    k.push_key(1);\n    k.push_key(2);\n    assert!(k.pressed(1));\n    assert!(k.pressed(2));\n    k.release_key(1);\n    assert!(k.released(1));\n}\n\n#[test]\n#[ignore]\nfn keypad_string_format_test() {\n    let expected_result = read_compressed_test_result(\"gemma_keypad_string_result\");\n    let actual_result = Keypad::new().format_as_string();\n\n    println!(\"EXPECTING [{}]\", expected_result);\n    println!(\"GOT [{}]\", actual_result);\n    assert_eq!(actual_result, expected_result);\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","registers.rs"],"content":"use rand::random;\nuse gemma::chip8::registers::Chip8Registers;\n\n#[test]\nfn register_rw_test() {\n    let mut x = Chip8Registers::default();\n    x.poke(0x0, 0xff);\n    x.poke(0x1, 0xab);\n    assert_eq!(x.peek(0x0), 0xff);\n    assert_eq!(x.peek(0x1), 0xab);\n}\n\n#[test]\nfn pc_test() {\n    let mut x = Chip8Registers::default();\n    x.set_pc(0x300);\n    assert_eq!(x.peek_pc(), 0x300);\n}\n\n#[test]\n#[should_panic]\nfn invalid_register() {\n    let mut x = Chip8Registers::default();\n    x.poke(0x10, 0xff);\n}\n\n#[test]\nfn reset_clears_registers() {\n    let mut x = Chip8Registers::default();\n\n    for register in 0..0x10 {\n        x.poke(register, random::\u003cu8\u003e());\n    }\n    x.reset();\n    for register in 0..0x10 {\n        assert_eq!(x.peek(register), 0x00);\n    }\n}\n\n#[test]\nfn registers_equality() {\n    let data_set: Vec\u003c(Chip8Registers, Chip8Registers, bool)\u003e = vec![\n        (Chip8Registers::default(), Chip8Registers::default(), true),\n        (\n            Chip8Registers {\n                registers: [\n                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\n                    0x00, 0x00, 0x00,\n                ],\n                i_register: 0,\n                pc: 0,\n            },\n            Chip8Registers {\n                registers: [\n                    0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\n                    0x00, 0x00, 0x00,\n                ],\n                i_register: 0,\n                pc: 0,\n            },\n            false,\n        ),\n    ];\n\n    for (first, second, matches) in data_set.iter() {\n        assert_eq!(first == second, *matches)\n    }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","sound_timer.rs"],"content":"use gemma::chip8::sound_timer::SoundTimer;\n\n/// Tests for The Sound Timer\n///\n///\n\n#[test]\nfn sound_timer_default() {\n    let x = SoundTimer::default();\n    assert_eq!(x.current(), 0);\n}\n\n#[test]\nfn sound_timer_ticks_reduce_time() {\n    let mut st = SoundTimer::new();\n    st.set_timer(100);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 97);\n}\n\n#[test]\nfn sound_timer_out_of_ticks_works() {\n    let mut st = SoundTimer::new();\n    st.set_timer(0);\n    st.tick();\n    st.tick();\n    st.tick();\n    assert_eq!(st.current(), 0);\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","stack.rs"],"content":"use rand::random;\nuse gemma::chip8::stack::Chip8Stack;\n\n#[test]\n#[should_panic]\nfn stack_overflow_test() {\n    let mut x = Chip8Stack::new();\n    for i in 0..17 {\n        x.push(\u0026i);\n    }\n}\n\n#[test]\n#[should_panic]\nfn stack_underflow_test() {\n    let mut x = Chip8Stack::new();\n    x.pop();\n}\n\n#[test]\nfn stack_lots_of_subs() {\n    let mut x = Chip8Stack::new();\n    let stack_contents = [\n        0x123, 0x321, 0xabc, 0xdef, 0xbad, 0xbef, 0xfed, 0xcab, 0xbed, 0xcad, 0xfeb, 0xcab, 0xfff,\n        0x000, 0x001,\n    ];\n    for i in stack_contents {\n        x.push(\u0026i);\n    }\n\n    assert_eq!(x.depth(), 15);\n\n    // up to 50 random loops\n    let num_loops: u8 = random::\u003cu8\u003e() % 50;\n    for i in 0..num_loops {\n        let start_count = x.depth();\n        let num_pop = random::\u003cu8\u003e() % x.depth() as u8;\n        for current_pop in 0..num_pop {\n            x.pop();\n        }\n\n        let post_pop_count = x.depth();\n        assert_eq!(post_pop_count as u8, start_count as u8 - num_pop);\n        for current_push in 0..num_pop {\n            x.push(\u0026stack_contents[(current_push + post_pop_count as u8) as usize]);\n        }\n        assert_eq!(x.depth(), 15);\n    }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","state_tests.rs"],"content":"mod test_utils;\nuse gemma::chip8::computer::Chip8Computer;\nuse std::fs;\nuse std::io::prelude::*;\nuse crate::test_utils::load_compressed_result;\n\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\n#[ignore]\nfn serialization_round_trip() {\n    let original_computer = Chip8Computer::new();\n    let expected_json = load_compressed_result(\"smoke_001_round_trip_serialize_deserialize\");\n\n    // Serialize the Chip8Computer instance\n    let serialized = serde_json::to_string(\u0026original_computer).expect(\"Serialization failed\");\n\n    // Compare the serialized output to the expected JSON\n    println!(\"Serialized Output: [{}]\", serialized);\n    assert_eq!(\n        serialized.trim(),\n        expected_json.trim(),\n        \"Serialized output does not match expected JSON\"\n    );\n\n    // Deserialize back to Chip8Computer and assert equality\n    let deserialized_computer: Chip8Computer =\n        serde_json::from_str(\u0026serialized).expect(\"Deserialization failed\");\n    assert_eq!(\n        deserialized_computer, original_computer,\n        \"Deserialized instance does not match the original\"\n    );\n}\n//\n// #[test]\n// fn computer_001_system_zero_state() {\n//     let x = Chip8Computer::new();\n//     let expected_string = load_compressed_result(\"smoke_002_round_trip_serialize_deserialize.tflt\").unwrap();\n//     let serialized = serde_json::to_string(\u0026x).unwrap();\n//     assert_eq!(serialized, expected_string);\n// }\n//\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","system_memory.rs"],"content":"use std::fs::File;\nuse std::io::Read;\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::constants::TEST_ROM_ROOT;\n\n#[test]\nfn system_memory_load_program() {\n    let mut m = Chip8SystemMemory::new();\n    let mut program_to_load = vec![];\n    let file_to_load = format!(\"{}/2-ibm-logo.ch8\", TEST_ROM_ROOT);\n    println!(\n        \"Attempt to load {} from {}\",\n        file_to_load,\n        std::env::current_dir().unwrap().display()\n    );\n    let mut file_to_load_from = File::open(file_to_load).expect(\"Unable to load sample rom\");\n    file_to_load_from\n        .read_to_end(\u0026mut program_to_load)\n        .expect(\"Unable to read sample rom\");\n    m.load_program(program_to_load.clone().into());\n    let expected_at_200 = program_to_load[0];\n    assert_eq!(m.peek(0x200), expected_at_200);\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","test_compression_tests.rs"],"content":"use crate::test_utils::{compress_string, decompress_to_string};\n\nmod test_utils;\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\nfn round_trip() {\n    let text_to_process = \"The quick brown fox jumps over the lazy dog.\";\n    let compressed = compress_string(text_to_process);\n    let decompressed = decompress_to_string(\u0026compressed).unwrap();\n\n    assert_eq!(text_to_process, decompressed);\n}\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","test_utils.rs"],"content":"use flate2::read::DeflateDecoder;\nuse flate2::write::DeflateEncoder;\nuse flate2::Compression;\nuse std::fs::File;\nuse std::io::{Read, Write};\nuse tempfile::tempfile;\nconst TEST_OUTPUT_SAMPLE_DIR: \u0026str = \"../resources/test/\";\n\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\npub fn compress_string(input: \u0026str) -\u003e Vec\u003cu8\u003e {\n    let mut encoder = DeflateEncoder::new(Vec::new(), Compression::default());\n    encoder\n        .write_all(input.as_bytes())\n        .expect(\"Failed to write data\");\n    encoder.finish().expect(\"Failed to finish compression\")\n}\npub fn decompress_to_string(compressed_data: \u0026[u8]) -\u003e Result\u003cString, std::io::Error\u003e {\n    let mut decoder = DeflateDecoder::new(compressed_data);\n    let mut decompressed = String::new();\n    decoder.read_to_string(\u0026mut decompressed)?;\n    Ok(decompressed)\n}\n\n/// Read a compressed test result and return the expected result\n/// as a string\npub fn read_compressed_test_result(suffix: \u0026str) -\u003e String {\n    let full_path = std::env::current_dir().unwrap().display().to_string()\n        + \"/\"\n        + \u0026*TEST_OUTPUT_SAMPLE_DIR.to_owned()\n        + suffix\n        + \".deflated\";\n    println!(\"LOADING {}\", full_path);\n    let mut compressed_file = File::open(\u0026full_path)\n        .expect(format!(\"Unable to load test result [{}]\", full_path.clone()).as_str());\n    let mut compressed_data = Vec::new();\n    compressed_file\n        .read_to_end(\u0026mut compressed_data)\n        .expect(\"Unable to compress data\");\n\n    decompress_to_string(\u0026compressed_data).unwrap()\n}\n\npub fn load_compressed_result(suffix: \u0026str) -\u003e String {\n    read_compressed_test_result(suffix)\n}\n\npub fn load_rom(to_load: \u0026str) -\u003e Vec\u003cu8\u003e {\n    std::fs::read(format!(\"../resources/roms/{}.ch8\", to_load)).unwrap()\n}\n\n#[cfg(test)]\nmod tests {\n    use super::*;\n\n    #[test]\n    fn smoke() {\n        assert!(true)\n    }\n\n    #[test]\n    fn compression_round_trip() {\n        let to_compress = \"The quick brown fox jumps over the lazy dog.\";\n\n        let compressed_text = compress_string(to_compress);\n        let decompressed_text = decompress_to_string(\u0026compressed_text).unwrap();\n        assert_eq!(to_compress, decompressed_text);\n    }\n\n    #[test]\n    fn file_compression_round_trip() {\n        // compress string to file...\n        let string_to_compress = \"The quick brown fox jumps over the lazy dog.\";\n        let compressed_string = compress_string(string_to_compress);\n        let temp_target = tempfile().unwrap();\n\n        //\n        // ...decompress from file...\n        //\n        // ...verify its the same.\n    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crate::test_utils::load_compressed_result;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::cpu_states::Chip8CpuStates::WaitingForInstruction;\nuse gemma::chip8::delay_timer::DelayTimer;\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::JPX;\nuse gemma::chip8::keypad::Keypad;\nuse gemma::chip8::quirk_modes::QuirkMode::{self, Chip8, SChipModern, XOChip};\nuse gemma::chip8::registers::Chip8Registers;\nuse gemma::chip8::sound_timer::SoundTimer;\nuse gemma::chip8::stack::Chip8Stack;\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::chip8::util::InstructionUtil;\nuse gemma::chip8::video::{Chip8Video, Chip8VideoModes};\nuse gemma::constants::*;\nuse log::debug;\nuse rand::random;\nuse serde::Serialize;\nuse std::fs::File;\nuse std::io::Read;\nuse test_utils::read_compressed_test_result;\n\nmod test_utils;\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\n#[ignore]\nfn decoder_test_invalid_instructions() {\n    let invalid_to_encode = [\n        0x5ab1, 0x5abf, 0x8ab8, 0x8abd, 0x8abf, 0x9ab1, 0x9abf, 0xea9d, 0xea9f, 0xeaa0, 0xeaa2,\n        0xf006, 0xf008,\n    ];\n\n    for i in invalid_to_encode {\n        assert_eq!(\n            Chip8CpuInstructions::decode(i, \u0026Chip8).encode(),\n            XXXXERRORINSTRUCTION_ENCODED\n        );\n        assert!(matches!(\n            Chip8CpuInstructions::decode(i, \u0026Chip8),\n            Chip8CpuInstructions::XXXXERRORINSTRUCTION\n        ));\n    }\n}\n\n#[test]\nfn format_as_string_looks_right() {\n    let mut x = Chip8Registers::default();\n    for i in 0..0x10 {\n        x.registers[i] = i as u8;\n    }\n    x.pc = 0xabc;\n    x.i_register = 0xcab;\n    let result_string = x.format_as_string();\n    assert_eq!(result_string, String::from(\"Vx: 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07\\n    0x08 0x09 0x0a 0x0b 0x0c 0x0d 0x0e 0x0f\\nI: 0x0cab\\tPC: 0x0abc\"));\n}\n\n\n#[test]\nfn stack_push_pop_test() {\n    let mut x = Chip8Stack::new();\n\n    // lets see if we can push and pop a bunch\n    x.push(\u00260xabcu16);\n    x.push(\u00260xcdeu16);\n    x.pop();\n    assert_eq!(x.depth(), 1);\n}\n\n#[test]\nfn video_split_bytes() {\n    // from 0xABCD we should have AB high, CD low\n    let (low, high) = InstructionUtil::split_bytes(0xabcd);\n    assert_eq!(low, 0xAB);\n    assert_eq!(high, 0xCD);\n}\n\n#[test]\nfn video_join_bytes() {\n    // from 0xAB low and 0xCD high we get 0xABCD\n    let merged = InstructionUtil::join_bytes(0xcd, 0xab);\n    assert_eq!(merged, 0xcdab);\n}\n\n#[test]\nfn instruction_read_from_instruction() {\n    // from 0xABCD\n    let source = 0xABCD;\n    assert_eq!(InstructionUtil::read_addr_from_instruction(source), 0xBCD);\n    assert_eq!(InstructionUtil::read_nibble_from_instruction(source), 0xD);\n    assert_eq!(InstructionUtil::read_x_from_instruction(source), 0xB);\n    assert_eq!(InstructionUtil::read_y_from_instruction(source), 0xC);\n    assert_eq!(InstructionUtil::read_byte_from_instruction(source), 0xCD);\n}\n\n#[test]\nfn instruction_ubln() {\n    // from 0xABCD we should see B\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0xABCD), 0xB);\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0x0123), 0x1);\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0x0000), 0x0);\n}\n\n#[test]\nfn instruction_byte_to_bool_changes() {\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b00000000),\n        [false, false, false, false, false, false, false, false]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11111111),\n        [true, true, true, true, true, true, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11001100),\n        [false, false, true, true, false, false, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11110000),\n        [false, false, false, false, true, true, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, false, false, false, false, false, false]),\n        0b00000000\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([true, true, true, true, true, true, true, true]),\n        0b11111111\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, true, true, false, false, true, true]),\n        0b11001100\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, false, false, true, true, true, true]),\n        0b11110000\n    );\n}\n\nfn real_build_checkboard(in_hd: bool) -\u003e Chip8Video {\n    let mut r = Chip8Video::default();\n    let (width, height) = if in_hd {\n        r.set_highres();\n        (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT)\n    } else {\n        (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT)\n    };\n\n    println!(\"BUILDING BOARD WITH SIZE OF {width}x{height}\");\n\n    for row in 0..height {\n        let data_offset = row * width;\n\n        for col in 0..width {\n            // XOR row and column indices to alternate in a checkerboard pattern\n            let to_poke = (row % 2) ^ (col % 2) == 1;\n            let local_offset: u16 = (data_offset + col) as u16;\n\n            r.poke(local_offset, to_poke);\n        }\n    }\n    r\n}\n\nfn build_checkboard_hd() -\u003e Chip8Video {\n    real_build_checkboard(true)\n}\n\nfn build_checkerboard() -\u003e Chip8Video {\n    real_build_checkboard(false)\n}\n\n#[test]\nfn video_default_test() {\n    let mut x = Chip8Video::default();\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.clone().peek(i as u16));\n        // then flip the value and test again.\n        x.poke(i as u16, true);\n        assert!(x.clone().peek(i as u16));\n    }\n}\n\n#[test]\nfn video_set_initial_memory_sd() {\n    let mut x = Chip8Video::default();\n    // let mut initial_memory = [false; CHIP8_VIDEO_MEMORY];\n    let mut ws = String::new();\n    // set our checkerboard\n    for cbr in 0..32 {\n        for cbc in 0..64 {\n            let dof = cbr * 64 + cbc;\n            if (dof as i32 % 2) == 0 {\n                x.poke(dof, true);\n                ws += \"*\";\n            } else {\n                ws += \" \";\n            }\n        }\n        ws += \"\\n\";\n    }\n    assert_eq!(x.format_as_string(), ws);\n}\n\n#[test]\nfn video_poke_byte_test() {\n    let to_poke = 0b11001111;\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x05, to_poke);\n    let mut expected = String::new();\n    expected = \"     **  ****                                                   \\n\".to_string();\n    for i in 0..31 {\n        expected += \u0026*(\" \".repeat(64) + \"\\n\");\n    }\n    assert_eq!(x.format_as_string(), expected);\n}\n\n#[test]\nfn video_poke_2byte_test() {\n    let to_poke: [u8; 2] = [0b11001111, 0b00111100];\n\n    let mut x = Chip8Video::default();\n    x.poke_2byte(0x00, to_poke);\n\n    let mut expected = String::new();\n    expected = \"**  ****  ****  \".to_string() + \u0026*\" \".repeat(64 - 16).to_string() + \"\\n\";\n    for i in 0..31 {\n        expected += \u0026*((*\" \".repeat(64)).to_string() + \"\\n\");\n    }\n\n    assert_eq!(expected, x.format_as_string());\n}\n\n#[test]\nfn video_poke_multirow_2_byte_sprite() {\n    // take 2 rows of 16bits and write them to memory\n}\n\n#[test]\nfn video_cls_stddef() {\n    let width = 64;\n    let height = 32;\n    let initial_memory = vec![];\n    let mut ws = String::new();\n    let mut set_x = Chip8Video::new(initial_memory.into());\n    for cbr in 0..32 {\n        ws += \u0026*\" \".repeat(width);\n        ws += \"\\n\";\n    }\n    set_x.cls();\n\n    assert_eq!(set_x.format_as_string(), ws);\n}\n\n#[test]\nfn video_poke_byte_test_2() {\n    let to_poke = 0b10101010;\n    let mut v = Chip8Video::default();\n    v.poke_byte(0x00, to_poke);\n    assert!(v.clone().peek(0x00));\n    assert!(!v.clone().peek(0x01));\n    assert!(v.clone().peek(0x02));\n    assert!(!v.clone().peek(0x03));\n    assert!(v.clone().peek(0x04));\n    assert!(!v.clone().peek(0x05));\n    assert!(v.clone().peek(0x06));\n    assert!(!v.clone().peek(0x07));\n    for i in 0x8..CHIP8_VIDEO_MEMORY {\n        assert!(!v.clone().peek(i as u16));\n    }\n}\n\n#[test]\nfn video_poke_multi_line_test() {\n    let mut v = Chip8Video::default();\n    let to_poke = [0b00000000, 0b11111111, 0b10101010, 0b01010101];\n\n    for (byte_in_set, byte_to_poke) in to_poke.iter().enumerate() {\n        let base_offset = byte_in_set * 64;\n        v.poke_byte(base_offset as u16, *byte_to_poke);\n    }\n\n    // row 2 column 1\n    {\n        assert!(v.clone().peek(0x40));\n        assert!(v.clone().peek(0x41));\n        assert!(v.clone().peek(0x42));\n        assert!(v.clone().peek(0x43));\n        assert!(v.clone().peek(0x44));\n        assert!(v.clone().peek(0x45));\n        assert!(v.clone().peek(0x46));\n        assert!(v.clone().peek(0x47));\n\n        // row 3 column 1\n        assert!(!v.clone().peek(0xC0));\n        assert!(v.clone().peek(0xC1));\n        assert!(!v.clone().peek(0xC2));\n        assert!(v.clone().peek(0xC3));\n        assert!(!v.clone().peek(0xC4));\n        assert!(v.clone().peek(0xC5));\n        assert!(!v.clone().peek(0xC6));\n        assert!(v.clone().peek(0xC7));\n    }\n}\n\n#[test]\nfn video_moved_poke_test() {\n    let mut v = Chip8Video::default();\n    let to_poke = [0b00000000, 0b11111111, 0b10101010, 0b01010101];\n\n    let x_offset = 20;\n    let y_offset = 5;\n\n    for (byte_in_set, byte_to_poke) in to_poke.iter().enumerate() {\n        let base_offset = (x_offset + byte_in_set) * 64 + y_offset;\n        v.poke_byte(base_offset as u16, *byte_to_poke);\n    }\n\n    let test_offset = (x_offset * 64 + y_offset) as u16;\n    assert!(!v.clone().peek(test_offset));\n    assert!(!v.clone().peek(test_offset + 1));\n    assert!(!v.clone().peek(test_offset + 2));\n    assert!(!v.clone().peek(test_offset + 3));\n    assert!(!v.clone().peek(test_offset + 4));\n    assert!(!v.clone().peek(test_offset + 5));\n    assert!(!v.clone().peek(test_offset + 6));\n    assert!(!v.clone().peek(test_offset + 7));\n\n    let test_offset = test_offset + 0x40;\n    assert!(v.clone().peek(test_offset));\n    assert!(v.clone().peek(test_offset + 1));\n    assert!(v.clone().peek(test_offset + 2));\n    assert!(v.clone().peek(test_offset + 3));\n    assert!(v.clone().peek(test_offset + 4));\n    assert!(v.clone().peek(test_offset + 5));\n    assert!(v.clone().peek(test_offset + 6));\n    assert!(v.clone().peek(test_offset + 7));\n}\n\n#[test]\nfn video_verify_change_registered() {\n    let mut v = Chip8Video::default();\n    v.poke(0x01, true);\n    v.poke(0x01, true);\n    assert!(v.has_frame_changed);\n\n    v.start_frame();\n    assert!(!v.has_frame_changed);\n}\n\n#[test]\nfn video_write_checkboard() {\n    let v = build_checkerboard();\n    assert_eq!(\n        v.clone().format_as_string(),\n        load_compressed_result(\"test_video_write_checkerboard\")\n    );\n}\n\n#[test]\n#[ignore]\nfn video_zero_test() {\n    let mut x = Chip8Video::default();\n\n    for (byte_index, data_offset) in (0..=0x100).step_by(0x40).enumerate() {\n        x.poke_byte(data_offset as u16, CHIP8FONT_0[byte_index]);\n    }\n\n    assert_eq!(\n        load_compressed_result(\"test_video_zero\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_multi_sprite_test() {\n    let mut x = Chip8Video::default();\n    // draw a row of digits 01234567\n    let to_draw = [\n        CHIP8FONT_0,\n        CHIP8FONT_1,\n        CHIP8FONT_2,\n        CHIP8FONT_3,\n        CHIP8FONT_4,\n        CHIP8FONT_5,\n        CHIP8FONT_6,\n        CHIP8FONT_7,\n    ];\n    for (index, sprite) in to_draw.iter().enumerate() {\n        let data_base_offset = index * 0x8;\n        for (index, offset) in (0..=0x100).step_by(0x40).enumerate() {\n            x.poke_byte((data_base_offset + offset) as u16, sprite[index]);\n        }\n    }\n\n    assert_eq!(\n        load_compressed_result(\"test_multi_sprite\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_reset_test() {\n    let mut x = build_checkerboard();\n    x.reset();\n    assert_eq!(\n        x.format_as_string(),\n        load_compressed_result(\"test_reset_clears_video\")\n    );\n}\n\n#[test]\nfn video_collision_test() {\n    // Setup: Set 0xFF to 0x00 with a new frame ready\n    // Action: Run Poke to the same area\n    // Test: Verify the 'changed' flag is tripped\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0xff);\n    x.tick();\n    // set the cell thats already set...\n    x.poke(0x00, true);\n    // it becomes unset and theres a frame changed\n    assert!(!x.peek(0x00));\n\n    assert!(x.clone().has_frame_changed);\n}\n\n#[test]\nfn video_collision_test2() {\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0b11110000);\n    assert!(x.has_frame_changed);\n    x.tick();\n    assert!(!x.has_frame_changed);\n    // clear the 'has changed' flag\n\n    // now set a no-collision value\n    x.poke_byte(0x00, 0b00001111);\n    assert!(x.has_frame_changed);\n}\n\n#[test]\nfn video_collision_test3() {\n    // draw a couple sprites that do not overlap.\n    // goal being drawing without triggering the collision\n    // detection.\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0b11110000);\n}\n\n#[test]\nfn video_peek_out_of_bounds_doesnt_panic() {\n    let x = Chip8Video::default();\n\n    let y = x.clone().peek(2049);\n    let y = x.clone().peek(0);\n\n    // if we got here we didn't panic\n    assert!(true);\n}\n\n#[test]\nfn video_scroll_down_1_row_test() {\n    let mut x = build_checkerboard();\n    x.scroll_down(1);\n    assert_eq!(\n        load_compressed_result(\"test_video_scroll_down_1\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_10_row_test() {\n    let mut x = build_checkerboard();\n    x.scroll_down(10);\n    assert_eq!(\n        load_compressed_result(\"test_video_scroll_down_10\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_high_res_has_right_resolution() {\n    let x = build_checkboard_hd();\n    println!(\"[{}]\", x.format_as_string());\n    assert_eq!(\n        load_compressed_result(\"test_video_highdef\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_1_row_test_schip() {\n    let mut x = build_checkboard_hd();\n    x.scroll_down(1);\n\n    assert_eq!(\n        load_compressed_result(\"test_scroll_down_1_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_10_row_test_schip() {\n    let mut x = build_checkboard_hd();\n    x.scroll_down(10);\n    assert_eq!(\n        load_compressed_result(\"test_scroll_down_10_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_left_4_row_test_std_def() {\n    let mut x = build_checkerboard();\n    x.scroll_left();\n    assert_eq!(\n        load_compressed_result(\"test_scroll_left_4\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_left_4_row_test_high_def() {\n    let mut x = build_checkboard_hd();\n    x.scroll_left();\n    assert_eq!(\n        load_compressed_result(\"test_scroll_left_4_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_right_4_row_test_std_def() {\n    let mut x = build_checkerboard();\n    x.scroll_right();\n    assert_eq!(\n        load_compressed_result(\"test_scroll_right_4\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_right_4_row_test_high_def() {\n    let mut x = build_checkboard_hd();\n    x.scroll_right();\n    assert_eq!(\n        load_compressed_result(\"test_scroll_right_4_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn instructions_operands_tests() {\n    assert_eq!(Chip8CpuInstructions::SYS(0x000).operands(), \"0x0000\");\n    assert_eq!(Chip8CpuInstructions::JPI(0x123).operands(), \"0x0123\");\n    assert_eq!(Chip8CpuInstructions::JPA(0x234).operands(), \"0x0234\");\n    assert_eq!(Chip8CpuInstructions::LDIA(0x345).operands(), \"0x0345\");\n    assert_eq!(Chip8CpuInstructions::CALL(0x456).operands(), \"0x0456\");\n}\n\n#[test]\nfn instruction_ena_dis_tests() {\n    let mut x = Chip8Computer::new();\n    for quirk in [SChipModern, XOChip] {\n        x.quirk_mode = quirk;\n        assert!(!x.video_memory.is_highres());\n        Chip8CpuInstructions::HIGH.execute(\u0026mut x);\n        assert!(x.video_memory.is_highres());\n        Chip8CpuInstructions::HIGH.execute(\u0026mut x);\n        assert!(x.video_memory.is_highres());\n        Chip8CpuInstructions::LOW.execute(\u0026mut x);\n        assert!(!x.video_memory.is_highres());\n    }\n}\n\n#[test]\nfn instruction_test_scrolling_lowres() {\n    for quirk in [SChipModern, XOChip] {\n        let mut x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCR.execute(\u0026mut x);\n        assert_eq!(\n            load_compressed_result(\"test_scroll_right_4\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCL.execute(\u0026mut x);\n\n        assert_eq!(\n            load_compressed_result(\"test_scroll_left_4\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCD(0x01).execute(\u0026mut x);\n        assert_eq!(\n            load_compressed_result(\"test_video_scroll_down_1\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCD(0xA).execute(\u0026mut x);\n        assert_eq!(\n            load_compressed_result(\"test_video_scroll_down_10\"),\n            x.dump_video_to_string()\n        );\n    }\n}\n\n#[test]\nfn computer_dump_keypad_to_string() {\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x1);\n    x.keypad.push_key(0x2);\n    assert_eq!(\n        load_compressed_result(\"test_keypad_to_string\"),\n        x.dump_keypad_to_string()\n    );\n}\n\n#[test]\nfn computer_dump_registers_to_string() {\n    let mut x = Chip8Computer::new();\n    let values_to_set = [\n        0x0b, 0xad, 0xbe, 0xef, 0xca, 0xb0, 0x7a, 0xc0, 0xca, 0x70, 0xba, 0xdb, 0xed, 0x00, 0x00,\n        0x00,\n    ];\n    let expected_value = \"Vx: 0x0b 0xad 0xbe 0xef 0xca 0xb0 0x7a 0xc0\\n    0xca 0x70 0xba 0xdb 0xed 0x00 0x00 0x00\\nI: 0x0000\\tPC: 0x0200\";\n\n    for i in 0..16 {\n        x.registers.poke(i, values_to_set[i as usize]);\n    }\n\n    // now verify.\n    assert_eq!(expected_value, x.dump_registers_to_string());\n}\n\n#[test]\nfn video_scroll_up_tests_sd() {\n    let mut x = build_checkerboard();\n    let distance = 1u8;\n    x.scroll_up(\u0026distance);\n    assert_eq!(\n        load_compressed_result(\"test_video_scroll_up_test_sd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_up_tests_hd() {\n    let mut x = build_checkboard_hd();\n    let distance = 1u8;\n    x.scroll_up(\u0026distance);\n    assert_eq!(\n        load_compressed_result(\"test_video_scroll_up_test_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_resolution_changing() {\n    let mut x = Chip8Video::default();\n\n    x.set_highres();\n    assert_eq!(x.get_resolution(), (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT));\n    assert!(matches!(\n        x.get_screen_resolution(),\n        Chip8VideoModes::HighRes\n    ));\n    x.set_lowres();\n    assert_eq!(x.get_resolution(), (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT));\n    assert!(matches!(x.get_screen_resolution(), Chip8VideoModes::LowRes));\n}\n\n#[test]\nfn delay_timer_default() {\n    let t = DelayTimer::default();\n    assert_eq!(t.current(), 0xff);\n}\n\n#[test]\nfn instruction_jpx() {\n    // JPX -\u003e 0xBXnn\n    // Jump to Xnn+Vx\n    let mut x = Chip8Computer::new();\n    // set X1 to 4...\n    x.registers.poke(0x01, 0x04);\n    // ...use (x1)+0x134\n    let to_execute = JPX(0x01, 0x34);\n    // expect to set PC to 0x834\n    to_execute.execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0x834);\n}\n\n#[test]\nfn instruction_ldrd() {\n    let mut x = Chip8Computer::new();\n    x.state = WaitingForInstruction;\n    x.delay_timer.set_timer(0x01);\n    Chip8CpuInstructions::LDRD(0x01).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x01);\n    x.delay_timer.set_timer(0xff);\n    Chip8CpuInstructions::LDRD(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x00), 0xff);\n    x.step_system();\n    x.step_system();\n    x.step_system();\n    x.step_system();\n    Chip8CpuInstructions::LDRD(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x0), 0xfb);\n}\n\n#[test]\nfn video_hires_loop_check() {\n    let max_address = SCHIP_VIDE_MEMORY;\n    let x = build_checkboard_hd();\n    x.peek((max_address + 1) as u16);\n    // if we got here we didn't explode!\n    assert!(true);\n}\n\n#[test]\nfn system_memory_new() {\n    let x = Chip8SystemMemory::new();\n\n    // check its empty.\n    for i in 0..CHIP8_MEMORY_SIZE {\n        assert_eq!(x.peek(i as u16), 0x00);\n    }\n}\n\n#[test]\n#[ignore]\nfn video_lowres_schip_draw_chip8_sprite() {\n    let mut x = Chip8Computer::new();\n    x.quirk_mode = QuirkMode::SChipModern;\n    x.video_memory.set_lowres();\n    // point at the 1 from chip8\n    x.registers.poke_i(0x0005);\n    // point to 1,2 for the drawing\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::DRW(0x01, 0x01, 0x08).execute(\u0026mut x);\n    let expected_state = read_compressed_test_result(\"state/video_lowres_schip_draw_chip8_sprite_result\");\n    let actual_state = x.dump_state_to_json();\n    assert_eq!(expected_state, actual_state);\n}\n\n#[test]\n#[ignore]\nfn video_lowres_schip_draw_schip_sprite() {\n    let mut x = Chip8Computer::new();\n    x.quirk_mode = SChipModern;\n    x.video_memory.set_lowres();\n    x.registers.poke_i(0x0005);\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::DRW(0x01, 0x01, 0x08).execute(\u0026mut x);\n    let expected_state = read_compressed_test_result(\"state/video_lowres_schip_draw_schip_sprite\");\n    let actual_state = x.dump_state_to_json();\n    assert_eq!(expected_state, actual_state);\n}\n\n#[test]\nfn video_highres_schip_draw_chip8_sprite() {}\n#[test]\nfn video_highres_schip_draw_schip_sprite() {}\n\n\n#[test]\nfn quirk_mode_labels() {\n    assert_eq!(format!(\"{}\", Chip8), LABEL_QUIRK_CHIP8);\n    assert_eq!(format!(\"{}\", XOChip), LABEL_QUIRK_XOCHIP);\n    assert_eq!(format!(\"{}\", SChipModern), LABEL_QUIRK_SCHIP);\n}\n","traces":[{"line":145,"address":[1101576,1100704],"length":1,"stats":{"Line":1}},{"line":146,"address":[1100737],"length":1,"stats":{"Line":1}},{"line":147,"address":[1100772,1100887,1100752,1100790],"length":1,"stats":{"Line":4}},{"line":148,"address":[1100774],"length":1,"stats":{"Line":1}},{"line":149,"address":[1100871],"length":1,"stats":{"Line":1}},{"line":151,"address":[1100756],"length":1,"stats":{"Line":1}},{"line":154,"address":[1100889,1100806],"length":1,"stats":{"Line":2}},{"line":156,"address":[1100998,1101160],"length":1,"stats":{"Line":2}},{"line":157,"address":[1101178,1101228],"length":1,"stats":{"Line":1}},{"line":159,"address":[1101203,1101256],"length":1,"stats":{"Line":2}},{"line":161,"address":[1101488,1101358],"length":1,"stats":{"Line":1}},{"line":162,"address":[1101517,1101550,1101475],"length":1,"stats":{"Line":2}},{"line":164,"address":[1101528,1101571],"length":1,"stats":{"Line":3}},{"line":167,"address":[1101117],"length":1,"stats":{"Line":2}},{"line":170,"address":[1101600],"length":1,"stats":{"Line":1}},{"line":171,"address":[1101608],"length":1,"stats":{"Line":1}},{"line":174,"address":[1101632],"length":1,"stats":{"Line":1}},{"line":175,"address":[1101640],"length":1,"stats":{"Line":1}}],"covered":18,"coverable":18},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","unit_tests_instructions.rs"],"content":"use gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::*;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::constants::*;\n\n#[derive(Clone)]\nstruct InstructionTestQuirks {\n    chip8: Chip8CpuInstructions,\n    schip: Chip8CpuInstructions,\n    xochip: Chip8CpuInstructions,\n}\n\n#[derive(Clone)]\nstruct InstructionTest {\n    name: String,\n    instruction: Chip8CpuInstructions,\n    operands: String,\n    asm: String,\n    encoded: u16,\n    quirks: InstructionTestQuirks,\n}\n\n#[test]\nfn instructions_encode_decode_tests_with_quirks() {\n    let it = vec![\n        InstructionTest {\n            name: INST_SYS.to_string(),\n            instruction: SYS(0x123),\n            operands: \"0x0123\".to_string(),\n            asm: \"SYS 0x0123\".to_string(),\n            encoded: 0x0123,\n            quirks: InstructionTestQuirks {\n                chip8: SYS(0x123),\n                schip: XXXXERRORINSTRUCTION,\n                xochip: XXXXERRORINSTRUCTION,\n            },\n        },\n        InstructionTest {\n            name: INST_CLS.to_string(),\n            instruction: CLS,\n            asm: \"CLS\".to_string(),\n            operands: \"\".to_string(),\n            encoded: 0x00E0,\n            quirks: InstructionTestQuirks {\n                chip8: CLS,\n                schip: CLS,\n                xochip: CLS,\n            },\n        },\n        InstructionTest {\n            name: INST_RET.to_string(),\n            instruction: RET,\n            asm: \"RET\".to_string(),\n            operands: \"\".to_string(),\n            encoded: 0x00ee,\n            quirks: InstructionTestQuirks {\n                chip8: RET,\n                schip: RET,\n                xochip: RET,\n            },\n        },\n        InstructionTest {\n            name: INST_JPX.to_string(),\n            instruction: JPX(0x1, 0xab),\n            operands: \"0x01, 0x01ab\".to_string(),\n            asm: \"JPX 0x01, 0x01ab\".to_string(),\n            encoded: 0xb1ab,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: JPX(0x1, 0xab),\n                xochip: XXXXERRORINSTRUCTION,\n            },\n        },\n        InstructionTest {\n            name: INST_CALL.to_string(),\n            instruction: CALL(0x123),\n            asm: \"CALL 0x0123\".to_string(),\n            encoded: 0x2123,\n            operands: \"0x0123\".to_string(),\n            quirks: InstructionTestQuirks {\n                chip8: CALL(0x123),\n                schip: CALL(0x123),\n                xochip: CALL(0x123),\n            },\n        },\n        InstructionTest {\n            name: INST_DRW.to_string(),\n            instruction: DRW(0x01, 0x02, 0x03),\n            operands: \"0x01, 0x02, 0x03\".to_string(),\n            asm: \"DRW 0x01, 0x02, 0x03\".to_string(),\n            encoded: 0xd123,\n            quirks: InstructionTestQuirks {\n                chip8: DRW(0x1, 0x2, 0x3),\n                schip: DRW(0x1, 0x2, 0x3),\n                xochip: DRW(0x1, 0x2, 0x3),\n            },\n        },\n        InstructionTest {\n            name: INST_JPI.to_string(),\n            instruction: JPI(0x321),\n            operands: \"0x0321\".to_string(),\n            asm: \"JPI 0x0321\".to_string(),\n            encoded: 0xb321,\n            quirks: InstructionTestQuirks {\n                chip8: JPI(0x321),\n                schip: XXXXERRORINSTRUCTION,\n                xochip: JPI(0x321),\n            },\n        },\n        InstructionTest {\n            name: INST_SCD.to_string(),\n            instruction: SCD(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SCD 0x01\".to_string(),\n            encoded: 0x00c1,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCD(0x1),\n                xochip: SCD(0x1),\n            },\n        },\n        InstructionTest {\n            name: INST_SCR.to_string(),\n            instruction: Chip8CpuInstructions::SCR,\n            operands: \"\".to_string(),\n            asm: \"SCR\".to_string(),\n            encoded: 0x00FB,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCR,\n                xochip: SCR,\n            },\n        },\n        InstructionTest {\n            name: INST_SCL.to_string(),\n            instruction: SCL,\n            operands: \"\".to_string(),\n            asm: \"SCL\".to_string(),\n            encoded: 0x00FC,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCL,\n                xochip: SCL,\n            },\n        },\n        InstructionTest {\n            name: INST_EXIT.to_string(),\n            instruction: EXIT,\n            operands: \"\".to_string(),\n            asm: \"EXIT\".to_string(),\n            encoded: 0x00FD,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: EXIT,\n                xochip: EXIT,\n            },\n        },\n        InstructionTest {\n            name: INST_LOW.to_string(),\n            instruction: LOW,\n            operands: \"\".to_string(),\n            asm: \"LOW\".to_string(),\n            encoded: 0x00FE,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LOW,\n                xochip: LOW,\n            },\n        },\n        InstructionTest {\n            name: INST_HIGH.to_string(),\n            instruction: HIGH,\n            operands: \"\".to_string(),\n            asm: \"HIGH\".to_string(),\n            encoded: 0x00FF,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: HIGH,\n                xochip: HIGH,\n            },\n        },\n        InstructionTest {\n            name: INST_SEX.to_string(),\n            instruction: Chip8CpuInstructions::SEX(0x01, 0xfa),\n            operands: \"0x01, 0xfa\".to_string(),\n            asm: \"SEX 0x01, 0xfa\".to_string(),\n            encoded: 0x31fa,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SEX(0x1, 0xfa),\n                schip: Chip8CpuInstructions::SEX(0x1, 0xfa),\n                xochip: Chip8CpuInstructions::SEX(0x1, 0xfa),\n            },\n        },\n        InstructionTest {\n            name: INST_SNEB.to_string(),\n            instruction: Chip8CpuInstructions::SNEB(0x01, 0xab),\n            operands: \"0x01, 0xab\".to_string(),\n            asm: \"SNEB 0x01, 0xab\".to_string(),\n            encoded: 0x41ab,\n            quirks: InstructionTestQuirks {\n                chip8: SNEB(0x01, 0xab),\n                schip: SNEB(0x01, 0xab),\n                xochip: SNEB(0x01, 0xab),\n            },\n        },\n        InstructionTest {\n            name: INST_SEY.to_string(),\n            instruction: Chip8CpuInstructions::SEY(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SEY 0x1, 0x2\".to_string(),\n            encoded: 0x5120,\n            quirks: InstructionTestQuirks {\n                chip8: SEY(0x1, 0x2),\n                schip: SEY(0x1, 0x2),\n                xochip: SEY(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_LDR.to_string(),\n            instruction: LDR(0xa, 0xbe),\n            operands: \"0x0a, 0xbe\".to_string(),\n            asm: \"LDR 0x0a, 0xbe\".to_string(),\n            encoded: 0x6abe,\n            quirks: InstructionTestQuirks {\n                chip8: LDR(0xa, 0xbe),\n                schip: LDR(0xa, 0xbe),\n                xochip: LDR(0xa, 0xbe),\n            },\n        },\n        InstructionTest {\n            name: INST_ADD.to_string(),\n            instruction: Chip8CpuInstructions::ADD(0x01, 0xab),\n            operands: \"0x01, 0xab\".to_string(),\n            asm: \"ADD 0x01, 0xab\".to_string(),\n            encoded: 0x71ab,\n            quirks: InstructionTestQuirks {\n                chip8: ADD(0x01, 0xab),\n                schip: ADD(0x01, 0xab),\n                xochip: ADD(0x01, 0xab),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRK.to_string(),\n            instruction: Chip8CpuInstructions::LDRK(0x6),\n            operands: \"0x06\".to_string(),\n            asm: \"LDRK 0x06\".to_string(),\n            encoded: 0xF60A,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRK(0x6),\n                schip: Chip8CpuInstructions::LDRK(0x6),\n                xochip: Chip8CpuInstructions::LDRK(0x6),\n            },\n        },\n        InstructionTest {\n            name: INST_ADDI.to_string(),\n            instruction: Chip8CpuInstructions::ADDI(0x02),\n            operands: \"0x02\".to_string(),\n            asm: \"ADDI 0x02\".to_string(),\n            encoded: 0xF21E,\n            quirks: InstructionTestQuirks {\n                chip8: ADDI(0x02),\n                schip: ADDI(0x02),\n                xochip: ADDI(0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_ADD.to_string(),\n            instruction: Chip8CpuInstructions::ADD(0x02, 0x12),\n            operands: \"0x02, 0x12\".to_string(),\n            asm: \"ADD 0x02, 0x12\".to_string(),\n            encoded: 0x7212,\n            quirks: InstructionTestQuirks {\n                chip8: ADD(0x02, 0x12),\n                schip: ADD(0x02, 0x12),\n                xochip: ADD(0x02, 0x12),\n            },\n        },\n        InstructionTest {\n            name: INST_SCU.to_string(),\n            instruction: Chip8CpuInstructions::SCU(0x04),\n            operands: \"0x04\".to_string(),\n            asm: \"SCU 0x04\".to_string(),\n            encoded: 0x00D4,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: XXXXERRORINSTRUCTION,\n                xochip: SCU(0x04),\n            },\n        },\n        InstructionTest {\n            name: INST_ADDR.to_string(),\n            instruction: ADDR(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"ADDR 0x1, 0x2\".to_string(),\n            encoded: 0x8124,\n            quirks: InstructionTestQuirks {\n                chip8: ADDR(0x01, 0x02),\n                schip: ADDR(0x01, 0x02),\n                xochip: ADDR(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_AND.to_string(),\n            instruction: AND(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"AND 0x1, 0x2\".to_string(),\n            encoded: 0x8122,\n            quirks: InstructionTestQuirks {\n                chip8: AND(0x1, 0x2),\n                schip: AND(0x1, 0x2),\n                xochip: AND(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_JPA.to_string(),\n            instruction: JPA(0x345),\n            operands: \"0x0345\".to_string(),\n            asm: \"JPA 0x0345\".to_string(),\n            encoded: 0x1345,\n\n            quirks: InstructionTestQuirks {\n                chip8: JPA(0x345),\n                schip: JPA(0x345),\n                xochip: JPA(0x345),\n            },\n        },\n        InstructionTest {\n            name: INST_BCD.to_string(),\n            instruction: BCD(0xc),\n            operands: \"0x0c\".to_string(),\n            asm: \"BCD 0x0c\".to_string(),\n            encoded: 0xfc33,\n            quirks: InstructionTestQuirks {\n                chip8: BCD(0xcd),\n                schip: BCD(0xcd),\n                xochip: BCD(0xcd),\n            },\n        },\n        InstructionTest {\n            name: INST_LDD.to_string(),\n            instruction: LDD(0xfc),\n            operands: \"0xfc\".to_string(),\n            asm: \"LDD 0xfc\".to_string(),\n            encoded: 0xfc15,\n            quirks: InstructionTestQuirks {\n                chip8: LDD(0xfc),\n                schip: LDD(0xfc),\n                xochip: LDD(0xfc),\n            },\n        },\n        InstructionTest {\n            name: INST_ORY.to_string(),\n            instruction: ORY(0x01, 0x3),\n            operands: \"0x1, 0x3\".to_string(),\n            asm: \"ORY 0x1, 0x3\".to_string(),\n            encoded: 0x8133,\n            quirks: InstructionTestQuirks {\n                chip8: ORY(0x01, 0x3),\n                schip: ORY(0x01, 0x3),\n                xochip: ORY(0x01, 0x3),\n            },\n        },\n        InstructionTest {\n            name: INST_SUBC.to_string(),\n            instruction: Chip8CpuInstructions::SUBC(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SUBC 0x1, 0x2\".to_string(),\n            encoded: 0x8127,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SUBC(0x1, 0x2),\n                schip: Chip8CpuInstructions::SUBC(0x1, 0x2),\n                xochip: Chip8CpuInstructions::SUBC(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_SUB.to_string(),\n            instruction: Chip8CpuInstructions::SUB(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SUB 0x1, 0x2\".to_string(),\n            encoded: 0x8125,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SUB(0x1, 0x2),\n                schip: Chip8CpuInstructions::SUB(0x1, 0x2),\n                xochip: Chip8CpuInstructions::SUB(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_STR.to_string(),\n            instruction: Chip8CpuInstructions::STR(0x06),\n            operands: \"0x06\".to_string(),\n            asm: \"STR 0x06\".to_string(),\n            encoded: 0xf675,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: Chip8CpuInstructions::STR(0x06),\n                xochip: Chip8CpuInstructions::STR(0x06),\n            },\n        },\n        InstructionTest {\n            name: INST_OR.to_string(),\n            instruction: OR(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"OR 0x1, 0x2\".to_string(),\n            encoded: 0x8121,\n            quirks: InstructionTestQuirks {\n                chip8: OR(0x01, 0x02),\n                schip: OR(0x01, 0x02),\n                xochip: OR(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_SHR.to_string(),\n            instruction: SHR(0x04, 0x4),\n            operands: \"0x4, 0x4\".to_string(),\n            asm: \"SHR 0x4, 0x4\".to_string(),\n            encoded: 0x8446,\n            quirks: InstructionTestQuirks {\n                chip8: SHR(0x04, 0x4),\n                schip: SHR(0x04, 0x4),\n                xochip: SHR(0x04, 0x4),\n            },\n        },\n        InstructionTest {\n            name: INST_SHL.to_string(),\n            instruction: SHL(0x04, 0x4),\n            operands: \"0x4, 0x4\".to_string(),\n            asm: \"SHL 0x4, 0x4\".to_string(),\n            encoded: 0x844e,\n            quirks: InstructionTestQuirks {\n                chip8: SHL(0x04, 0x4),\n                schip: SHL(0x04, 0x4),\n                xochip: SHL(0x04, 0x4),\n            },\n        },\n        InstructionTest {\n            name: INST_RND.to_string(),\n            instruction: RND(0x01, 0xff),\n            operands: \"0x01, 0xff\".to_string(),\n            asm: \"RND 0x01, 0xff\".to_string(),\n            encoded: 0xc1ff,\n            quirks: InstructionTestQuirks {\n                chip8: RND(0x01, 0xff),\n                schip: RND(0x01, 0xff),\n                xochip: RND(0x01, 0xff),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRY.to_string(),\n            instruction: LDRY(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"LDRY 0x1, 0x2\".to_string(),\n            encoded: 0x8120,\n            quirks: InstructionTestQuirks {\n                chip8: LDRY(0x01, 0x02),\n                schip: LDRY(0x01, 0x02),\n                xochip: LDRY(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIS.to_string(),\n            instruction: LDIS(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDIS 0x01\".to_string(),\n            encoded: 0xf118,\n            quirks: InstructionTestQuirks {\n                chip8: LDIS(0x01),\n                schip: LDIS(0x01),\n                xochip: LDIS(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LIDR.to_string(),\n            instruction: LIDR(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LIDR 0x01\".to_string(),\n            encoded: 0xf185,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LIDR(0x01),\n                xochip: LIDR(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDF2.to_string(),\n            instruction: LDF2(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDF2 0x01\".to_string(),\n            encoded: 0xf130,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LDF2(0x01),\n                xochip: LDF2(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDF.to_string(),\n            instruction: LDFX(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDF 0x01\".to_string(),\n            encoded: 0xf129,\n            quirks: InstructionTestQuirks {\n                chip8: LDFX(0x01),\n                schip: LDFX(0x01),\n                xochip: LDFX(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIA.to_string(),\n            instruction: LDIA(0x01),\n            operands: \"0x0001\".to_string(),\n            asm: \"LDIA 0x0001\".to_string(),\n            encoded: 0xa001,\n            quirks: InstructionTestQuirks {\n                chip8: LDIA(0x01),\n                schip: LDIA(0x01),\n                xochip: LDIA(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIX.to_string(),\n            instruction: LDIX(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDIX 0x01\".to_string(),\n            encoded: 0xf155,\n            quirks: InstructionTestQuirks {\n                chip8: LDIX(0x01),\n                schip: LDIX(0x01),\n                xochip: LDIX(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRD.to_string(),\n            instruction: Chip8CpuInstructions::LDRD(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDRD 0x01\".to_string(),\n            encoded: 0xf107,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRD(0x01),\n                schip: Chip8CpuInstructions::LDRD(0x01),\n                xochip: Chip8CpuInstructions::LDRD(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRI.to_string(),\n            instruction: Chip8CpuInstructions::LDRI(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDRI 0x01\".to_string(),\n            encoded: 0xf165,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRI(0x01),\n                schip: Chip8CpuInstructions::LDRI(0x01),\n                xochip: Chip8CpuInstructions::LDRI(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_SKP.to_string(),\n            instruction: SKP(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SKP 0x01\".to_string(),\n            encoded: 0xe19e,\n            quirks: InstructionTestQuirks {\n                chip8: SKP(0x01),\n                schip: SKP(0x01),\n                xochip: SKP(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_SNEY.to_string(),\n            instruction: SNEY(0x01, 0x1),\n            operands: \"0x1, 0x1\".to_string(),\n            asm: \"SNEY 0x1, 0x1\".to_string(),\n            encoded: 0x9110,\n            quirks: InstructionTestQuirks {\n                chip8: SNEY(0x01, 0x1),\n                schip: SNEY(0x01, 0x1),\n                xochip: SNEY(0x01, 0x1),\n            },\n        },\n        InstructionTest {\n            name: INST_SKNP.to_string(),\n            instruction: SKNP(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SKNP 0x01\".to_string(),\n            encoded: 0xe1a1,\n            quirks: InstructionTestQuirks {\n                chip8: SKNP(0x01),\n                schip: SKNP(0x01),\n                xochip: SKNP(0x01),\n            },\n        },\n    ];\n\n    for current in it {\n        let instruction = current.clone().instruction;\n        let asm = Chip8CpuInstructions::from_str(\u0026current.asm);\n        let as_chip8 = Chip8CpuInstructions::decode(current.encoded, \u0026Chip8);\n        let quirks_chip8 = current.quirks.chip8;\n        let as_schip = Chip8CpuInstructions::decode(current.encoded, \u0026SChipModern);\n        let quirks_schip = current.quirks.schip;\n        let as_xochip = Chip8CpuInstructions::decode(current.encoded, \u0026XOChip);\n        let quirks_xochip = current.quirks.xochip;\n\n        // ** CONVERSION **\n        // -\u003e Integer to Instruction\n        assert!(matches!(\n            Chip8CpuInstructions::decode(current.encoded, \u0026Chip8),\n            i\n        ));\n        // -\u003e Instruction to Integer\n        println!(\n            \"TESTING INSTRUCTION TO INTEGER FOR {:?} / {:04x} {:04x}\",\n            current.instruction,\n            current.encoded,\n            instruction.encode()\n        );\n        assert_eq!(current.encoded, instruction.encode());\n        // -\u003e Instruction to String\n        assert_eq!(instruction.to_string(), current.asm);\n        assert_eq!(instruction.operands(), current.operands);\n        assert_eq!(current.instruction.name(), current.name);\n        // -\u003e String to Instruction\n        assert!(matches!(Chip8CpuInstructions::from_str(\u0026current.name), asm));\n        // ** QUIRKS **\n        assert!(matches!(as_chip8, quirks_chip8));\n        assert!(matches!(as_schip, quirks_schip));\n        assert!(matches!(as_xochip, quirks_xochip));\n    }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","util.rs"],"content":"use std::collections::BTreeMap;\nuse gemma::chip8::util::InstructionUtil;\n\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\nfn byte_to_bools() {\n    let data_set: BTreeMap\u003cu8, [bool; 8]\u003e = BTreeMap::from(\n        [\n            (0x00, [false, false, false, false, false, false, false, false]),\n            (0x0f, [true, true, true, true, false, false, false, false]),\n            (0xaa, [false, true, false, true, false, true, false, true]),\n            (0xf0, [false, false, false, false, true, true, true, true]),\n            (0xff, [true, true, true, true, true, true, true, true]),\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        let result_array = InstructionUtil::byte_to_bools(*key);\n        for i in 0..8 {\n            assert_eq!(result_array[i], value[i]);\n        }\n    }\n}\n\n#[test]\nfn bools_to_byte() {\n    let data_set: BTreeMap\u003cu8, [bool; 8]\u003e = BTreeMap::from(\n        [\n            (0x00, [false, false, false, false, false, false, false, false]),\n            (0x0f, [true, true, true, true, false, false, false, false]),\n            (0xaa, [false, true, false, true, false, true, false, true]),\n            (0xf0, [false, false, false, false, true, true, true, true]),\n            (0xff, [true, true, true, true, true, true, true, true]),\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        let result = InstructionUtil::bools_to_byte(*value);\n        assert_eq!(result, *key);\n    }\n}\n\n#[test]\nfn split_bytes() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from(\n        [\n            (0xff00, (0xff, 0x00)),\n            (0x00ff, (0x00, 0xff)),\n            (0xabcd, (0xab, 0xcd)),\n            (0xcdab, (0xcd, 0xab))\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::split_bytes(*key), *value);\n    }\n}\n\n#[test]\nfn join_bytes() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from(\n        [\n            (0xff00, (0xff, 0x00)),\n            (0x00ff, (0x00, 0xff)),\n            (0xabcd, (0xab, 0xcd)),\n            (0xcdab, (0xcd, 0xab))\n        ]\n    );\n\n    for (key, (low, high )) in data_set.iter() {\n        assert_eq!(InstructionUtil::join_bytes(*low, *high), *key);\n    }\n}\n\n#[test]\nfn swap_endian() {\n    let data_set: BTreeMap\u003cu16, u16\u003e = BTreeMap::from(\n        [\n            (0xabcd, 0xcdab),\n            (0x00ff, 0xff00),\n            (0xff00, 0x00ff),\n            (0xffff, 0xffff),\n            (0x0000, 0x0000)\n        ]\n    );\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::swap_endian(*key), *value);\n    }\n}\n\n#[test]\nfn split_bytes_swap_endian() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from([\n        (0x0000, (0x00, 0x00)),\n        (0xffff, (0xff, 0xff)),\n        (0xff00, (0x00, 0xff)),\n        (0x00ff, (0xff, 0x00)),\n        (0xabcd, (0xcd, 0xab))\n    ]);\n\n    for (key, result) in data_set.iter() {\n        assert_eq!(InstructionUtil::split_bytes_swap_endian(*key), *result)\n    }\n}\n\n#[test]\nfn join_bytes_swap_endian() {\n    let data_set: BTreeMap\u003cu16, (u8, u8)\u003e = BTreeMap::from([\n        (0xffff, (0xff, 0xff)),\n        (0x0000, (0x00, 0x00)),\n        (0xff00, (0x00, 0xff)),\n        (0x00ff, (0xff, 0x00)),\n        (0xabcd, (0xcd, 0xab))\n    ]);\n\n    for (key, (low, high)) in data_set.iter() {\n        assert_eq!(InstructionUtil::join_bytes_swap_endian(*low, *high), *key);\n    }\n\n}\n\n#[test]\nfn read_address_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u16\u003e = BTreeMap::from([\n        (0xabcd, 0x0bcd),\n        (0xffff, 0x0fff),\n        (0x0000, 0x0000),\n        (0x8123, 0x0123)\n    ]) ;\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_addr_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_nibble_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0xabcd, 0x0d),\n    ]);\n\n    for(key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_nibble_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_x_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0x0a00, 0x0a),\n        (0x0b00, 0x0b)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_x_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_y_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0x0f),\n        (0x0000, 0x00),\n        (0x00a0, 0x0a),\n        (0x00b0, 0x0b)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_y_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_byte_from_instruction() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0xffff, 0xff),\n        (0x0000, 0x00),\n        (0xabcd, 0xcd),\n        (0xcdab, 0xab)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_byte_from_instruction(*key), *value);\n    }\n}\n\n#[test]\nfn read_upper_byte_lower_nibble() {\n    let data_set: BTreeMap\u003cu16, u8\u003e = BTreeMap::from([\n        (0x0000, 0x00),\n        (0xabcd, 0x0b),\n        (0xffff, 0x0f),\n        (0xcdab, 0x0d)\n    ]);\n\n    for (key, value) in data_set.iter() {\n        assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(*key), *value);\n    }\n}\n\n#[test]\nfn read_bits_from_instruction() {\n    let data_set: BTreeMap\u003cu16, (u8, u8, u16)\u003e = BTreeMap::from([\n        (0x0000, (0, 7, 0x00)),\n        (0x0000, (8, 15, 0x00)),\n        (0xffff, (0, 7, 0xff)),\n        (0xffff, (8, 15, 0xff)),\n    ]);\n\n    for (key, (start, end, value)) in data_set.iter() {\n        let result = InstructionUtil::read_bits_from_instruction(*key, *start, *end);\n        assert_eq!(result,  *value);\n    }\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","gemmaegui.rs"],"content":"use crate::support::gemma_egui_support::{EGuiFileList, GemmaEguiSupport};\nuse eframe::egui;\nuse egui::Key;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::path::PathBuf;\nuse std::time::Instant;\n\nmod support;\n\nconst LIN_KEYS: [[(Key, u8); 4]; 4] = [\n    [\n        (Key::Num1, 0x01),\n        (Key::Num2, 0x02),\n        (Key::Num3, 0x03),\n        (Key::Num4, 0x0c),\n    ],\n    [\n        (Key::Q, 0x04),\n        (Key::W, 0x05),\n        (Key::E, 0x06),\n        (Key::R, 0x0d),\n    ],\n    [\n        (Key::A, 0x07),\n        (Key::S, 0x08),\n        (Key::D, 0x09),\n        (Key::F, 0x0e),\n    ],\n    [\n        (Key::Z, 0x0a),\n        (Key::X, 0x00),\n        (Key::C, 0x0b),\n        (Key::V, 0x0F),\n    ],\n];\n\n#[derive(Default)]\nstruct DisplayOptions {\n    pub video: bool,\n    pub registers: bool,\n    pub memory: bool,\n}\npub struct GemmaViewerState {\n    pub selected_file_index: i32,\n    pub selected_filename: String,\n    pub display_options: DisplayOptions,\n}\n\nimpl Default for GemmaViewerState {\n    fn default() -\u003e Self {\n        GemmaViewerState {\n            selected_file_index: -1,\n            selected_filename: String::new(),\n            display_options: Default::default(),\n        }\n    }\n}\n\nimpl GemmaViewerState {\n    pub fn new() -\u003e GemmaViewerState {\n        GemmaViewerState {\n            ..Default::default()\n        }\n    }\n}\n\nfn main() -\u003e eframe::Result {\n    println!(\"Taxation is Theft\");\n\n    let mut computer = Chip8ComputerManager::new();\n    let mut state = GemmaViewerState::new();\n\n    let options = eframe::NativeOptions {\n        viewport: egui::ViewportBuilder::default().with_inner_size([320.0, 240.0]),\n        ..Default::default()\n    };\n\n    eframe::run_simple_native(\"EGUI Gemma\", options, move |ctx, _frame| {\n        catppuccin_egui::set_theme(ctx, catppuccin_egui::MOCHA);\n        egui::CentralPanel::default().show(ctx, |ui| {\n            let frame_start_time = Instant::now();\n\n            let local_computer = computer.state();\n            //if state.display_video {\n            GemmaEguiSupport::video_view(local_computer, ui);\n            // }\n\n            ui.heading(\"EGUI Gemma\");\n\n            //  if state.display_memory {\n            GemmaEguiSupport::memory_view(local_computer, ui);\n            //  }\n\n            //  if state.display_registers {\n            GemmaEguiSupport::registers_view(local_computer, ui);\n            //  }\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                if ui.button(\"Start\").clicked() {\n                    computer.start();\n                }\n                if ui.button(\"Step\").clicked() {\n                    computer.step();\n                }\n\n                if ui.button(\"Stop\").clicked() {\n                    computer.stop();\n                    //     state.is_running = false;\n                }\n                if ui.button(\"Reset\").clicked() {\n                    computer.reset(computer.quirks_mode());\n                    //   state.is_running = false;\n                }\n            });\n\n            if ui\n                .button(format!(\"Load {}\", state.selected_filename))\n                .clicked()\n            {\n                // println!(\"Should load the bin now\");\n                let read_bin = std::fs::read(PathBuf::from(format!(\n                    \"resources/roms/{}\",\n                    state.selected_filename\n                )))\n                .unwrap();\n                computer.load_new_program_to_system_memory(read_bin);\n            };\n            EGuiFileList::display_path(\n                PathBuf::from(\"resources/roms\"),\n                \u0026mut state.selected_filename,\n                ui,\n            );\n            ctx.input(|input| {\n                // loop through the keys we are checking...\n                for row in LIN_KEYS {\n                    for (keyboard_key, keypad_key) in row {\n                        if input.key_pressed(keyboard_key) {\n                            computer.press_key(keypad_key);\n                            // println!(\"KEY {keypad_key:02x} DOWN\");\n                        } else {\n                            // release it if the user just did\n                            if computer.is_key_pressed(keypad_key) {\n                                computer.release_key(keypad_key);\n                                //    println!(\"KEY {keypad_key:02x} up\");\n                            }\n                        }\n                    }\n                }\n            });\n\n            // run our target number of ticks in the amount of available time.\n            // let time_consumed = Instant::now().duration_since(frame_start_time).as_millis();\n            let mut num_ticks = 0;\n            while num_ticks \u003c 1000 {\n                computer.tick();\n                num_ticks += 1;\n            }\n            ctx.request_repaint();\n        });\n    })\n}\n","traces":[{"line":51,"address":[4142256,4142424],"length":1,"stats":{"Line":0}},{"line":54,"address":[4142275],"length":1,"stats":{"Line":0}},{"line":55,"address":[4142337,4142280],"length":1,"stats":{"Line":0}},{"line":61,"address":[4142448],"length":1,"stats":{"Line":0}},{"line":68,"address":[4143590,4142544,4143559],"length":1,"stats":{"Line":0}},{"line":69,"address":[4142561],"length":1,"stats":{"Line":0}},{"line":71,"address":[4142625],"length":1,"stats":{"Line":0}},{"line":72,"address":[4142655],"length":1,"stats":{"Line":0}},{"line":75,"address":[4142719,4142764],"length":1,"stats":{"Line":0}},{"line":79,"address":[4143340],"length":1,"stats":{"Line":0}},{"line":80,"address":[4162952],"length":1,"stats":{"Line":0}},{"line":81,"address":[4163104,4164095,4162996],"length":1,"stats":{"Line":0}},{"line":82,"address":[4163129],"length":1,"stats":{"Line":0}},{"line":84,"address":[4163158],"length":1,"stats":{"Line":0}},{"line":86,"address":[4163191],"length":1,"stats":{"Line":0}},{"line":89,"address":[4163201],"length":1,"stats":{"Line":0}},{"line":92,"address":[4163252],"length":1,"stats":{"Line":0}},{"line":96,"address":[4163267],"length":1,"stats":{"Line":0}},{"line":98,"address":[4163274,4164128,4164765],"length":1,"stats":{"Line":0}},{"line":99,"address":[4164153],"length":1,"stats":{"Line":0}},{"line":100,"address":[4164275],"length":1,"stats":{"Line":0}},{"line":102,"address":[4164291],"length":1,"stats":{"Line":0}},{"line":103,"address":[4164425],"length":1,"stats":{"Line":0}},{"line":106,"address":[4164441],"length":1,"stats":{"Line":0}},{"line":107,"address":[4164575],"length":1,"stats":{"Line":0}},{"line":110,"address":[4164591],"length":1,"stats":{"Line":0}},{"line":111,"address":[4164722],"length":1,"stats":{"Line":0}},{"line":116,"address":[4163651,4163565],"length":1,"stats":{"Line":0}},{"line":117,"address":[4163431],"length":1,"stats":{"Line":0}},{"line":118,"address":[4163657,4163603],"length":1,"stats":{"Line":0}},{"line":121,"address":[4163695],"length":1,"stats":{"Line":0}},{"line":126,"address":[4163893],"length":1,"stats":{"Line":0}},{"line":128,"address":[4163950],"length":1,"stats":{"Line":0}},{"line":129,"address":[4163910],"length":1,"stats":{"Line":0}},{"line":130,"address":[4163946],"length":1,"stats":{"Line":0}},{"line":133,"address":[4165458,4163968,4164800],"length":1,"stats":{"Line":0}},{"line":135,"address":[4164982,4164825,4165049],"length":1,"stats":{"Line":0}},{"line":136,"address":[4165309,4165065,4165239],"length":1,"stats":{"Line":0}},{"line":137,"address":[4165301,4165337],"length":1,"stats":{"Line":0}},{"line":138,"address":[4165393,4165453],"length":1,"stats":{"Line":0}},{"line":142,"address":[4165366,4165416],"length":1,"stats":{"Line":0}},{"line":143,"address":[4165429],"length":1,"stats":{"Line":0}},{"line":153,"address":[4163980],"length":1,"stats":{"Line":0}},{"line":154,"address":[4163991,4164077],"length":1,"stats":{"Line":0}},{"line":155,"address":[4164039],"length":1,"stats":{"Line":0}},{"line":156,"address":[4164048,4164079],"length":1,"stats":{"Line":0}},{"line":158,"address":[4164009],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":47},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","gemma_egui_state.rs"],"content":"use std::ops::Range;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\n\npub struct GemmaEGuiState {\n    pub display_video: bool,\n    pub display_memory: bool,\n    pub display_registers: bool,\n    pub memory_view: Range\u003ci32\u003e,\n    pub computer: Chip8ComputerManager,\n    pub selected_rom_filename: String\n}\n\nimpl Default for GemmaEGuiState {\n    fn default() -\u003e Self {\n        Self {\n            display_video: true,\n            display_memory: true,\n            display_registers: true,\n            memory_view: 0x00..0x200,\n            computer: Chip8ComputerManager::new(),\n            selected_rom_filename: String::new()\n        }\n    }\n}\n","traces":[{"line":14,"address":[4162672,4162883],"length":1,"stats":{"Line":0}},{"line":20,"address":[4162689],"length":1,"stats":{"Line":0}},{"line":21,"address":[4162711],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":3},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","gemma_egui_support.rs"],"content":"use crate::Chip8Computer;\nuse egui::Rect;\nuse egui::Ui;\nuse egui::Vec2;\nuse egui::{Align, Color32, ComboBox, Pos2};\nuse std::fs::read_dir;\nuse std::path::PathBuf;\n\nconst CELL_WIDTH: f32 = 5.0;\nconst CELL_HEIGHT: f32 = 5.0;\n\npub struct EGuiFileList {}\nimpl EGuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026mut String, ui: \u0026mut Ui) {\n        let working_filename = selected_filename.clone();\n        ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n            //  ui.label(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to Load Path\")));\n            ComboBox::from_label(\"Select ROM\")\n                .selected_text(selected_filename.clone())\n                .show_ui(ui, |ui| {\n                    let mut sorted_options = vec![];\n                    for option in read_dir(root.as_path()).unwrap() {\n                        let to_push = option\n                            .unwrap()\n                            .file_name()\n                            .into_string()\n                            .unwrap_or(String::new());\n                        sorted_options.push(to_push);\n                    }\n\n                    sorted_options.sort();\n                    for item in sorted_options {\n                        // Add each option to the ComboBox\n                        if ui\n                            .selectable_label(selected_filename.eq(\u0026item.as_str()), item.clone())\n                            .clicked()\n                        {\n                            *selected_filename = item;\n                        }\n                    }\n                });\n            // Display the selected option\n        });\n    }\n}\n\npub struct GemmaEguiSupport {}\n\nimpl GemmaEguiSupport {\n    pub fn controls_view(system: \u0026mut Chip8Computer, ui: \u0026mut Ui) {\n        ui.with_layout(egui::Layout::left_to_right(Align::TOP), |ui| {\n            //    ui.checkbox(\u0026mut state.display_memory, \"Display Memory\");\n            //    ui.checkbox(\u0026mut state.display_video, \"Display Video\");\n            //   ui.checkbox(\u0026mut state.display_registers, \"Display Registers\");\n        });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(format!(\n            \"V0-7: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x00),\n            system.registers.peek(0x01),\n            system.registers.peek(0x02),\n            system.registers.peek(0x03),\n            system.registers.peek(0x04),\n            system.registers.peek(0x05),\n            system.registers.peek(0x06),\n            system.registers.peek(0x07)\n        ));\n        ui.label(format!(\n            \"V8-F: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x08),\n            system.registers.peek(0x09),\n            system.registers.peek(0x0A),\n            system.registers.peek(0x0B),\n            system.registers.peek(0x0C),\n            system.registers.peek(0x0D),\n            system.registers.peek(0x0E),\n            system.registers.peek(0x0F)\n        ));\n        ui.label(format!(\n            \"PC: {:04x}\\tI: {:04x}\",\n            system.registers.peek_pc(),\n            system.registers.peek_i()\n        ));\n    }\n\n    pub fn video_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        let (_resp, painter) = ui.allocate_painter(Vec2::new(350.0, 165.0), egui::Sense::hover());\n        for current_row in 0..32 {\n            for current_col in 0..64 {\n                let data_offset = current_row * 64 + current_col;\n                let x_offset = current_col as f32 * CELL_WIDTH;\n                let y_offset = current_row as f32 * CELL_HEIGHT;\n                let origin = Pos2::new(x_offset, y_offset);\n                let colour = if system.video_memory.peek(data_offset) {\n                    Color32::RED\n                } else {\n                    Color32::WHITE\n                };\n                let rect = Rect::from_min_size(origin, Vec2::new(CELL_WIDTH, CELL_HEIGHT));\n                painter.rect_filled(rect, 0.0, colour);\n                // println!(\"Cell {current_col}x{current_row} at {}x{} -\u003e {}\",\n                //          origin.x, origin.y,\n                //          system.video_memory.peek(data_offset));\n            }\n        }\n        //    thread::sleep(Duration::from_secs(1));\n    }\n\n    pub fn memory_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(\"Memory View\");\n\n        for i in (0..0x200).step_by(16) {\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                for y in 0..16 {\n                    ui.label(format!(\"{:02x}\", system.memory.peek((i + y) as u16)).as_str());\n                }\n            });\n        }\n        ui.label(\"Should have **something** to adjust the 'memory window'\");\n    }\n}\n","traces":[{"line":14,"address":[4135056,4135387],"length":1,"stats":{"Line":0}},{"line":15,"address":[4135086],"length":1,"stats":{"Line":0}},{"line":16,"address":[4135215,4135150],"length":1,"stats":{"Line":0}},{"line":18,"address":[4151470,4151404,4151294],"length":1,"stats":{"Line":0}},{"line":19,"address":[4151452,4151339,4151520],"length":1,"stats":{"Line":0}},{"line":20,"address":[4152860,4151552,4151460,4153285],"length":1,"stats":{"Line":0}},{"line":21,"address":[4151582],"length":1,"stats":{"Line":0}},{"line":22,"address":[4151883,4151913,4153236,4151636,4151717],"length":1,"stats":{"Line":0}},{"line":23,"address":[4152978,4153046,4151961,4152891],"length":1,"stats":{"Line":0}},{"line":26,"address":[4152985],"length":1,"stats":{"Line":0}},{"line":27,"address":[4152918,4153001,4153263,4153085],"length":1,"stats":{"Line":0}},{"line":28,"address":[4153157],"length":1,"stats":{"Line":0}},{"line":31,"address":[4151999],"length":1,"stats":{"Line":0}},{"line":32,"address":[4152220,4152836,4152033,4152270],"length":1,"stats":{"Line":0}},{"line":34,"address":[4152823,4152588,4152488],"length":1,"stats":{"Line":0}},{"line":35,"address":[4152310,4152417],"length":1,"stats":{"Line":0}},{"line":36,"address":[4152594,4152540],"length":1,"stats":{"Line":0}},{"line":38,"address":[4152651],"length":1,"stats":{"Line":0}},{"line":50,"address":[4135424],"length":1,"stats":{"Line":0}},{"line":51,"address":[4135450],"length":1,"stats":{"Line":0}},{"line":58,"address":[4135584],"length":1,"stats":{"Line":0}},{"line":59,"address":[4135991,4135795,4135942,4135648,4135844,4135697,4135746,4135893],"length":1,"stats":{"Line":0}},{"line":61,"address":[4135629],"length":1,"stats":{"Line":0}},{"line":62,"address":[4135675],"length":1,"stats":{"Line":0}},{"line":63,"address":[4135724],"length":1,"stats":{"Line":0}},{"line":64,"address":[4135773],"length":1,"stats":{"Line":0}},{"line":65,"address":[4135822],"length":1,"stats":{"Line":0}},{"line":66,"address":[4135871],"length":1,"stats":{"Line":0}},{"line":67,"address":[4135920],"length":1,"stats":{"Line":0}},{"line":68,"address":[4135969],"length":1,"stats":{"Line":0}},{"line":70,"address":[4137912,4137863,4137961,4137716,4137814,4138059,4137765,4138010],"length":1,"stats":{"Line":0}},{"line":72,"address":[4137694],"length":1,"stats":{"Line":0}},{"line":73,"address":[4137743],"length":1,"stats":{"Line":0}},{"line":74,"address":[4137792],"length":1,"stats":{"Line":0}},{"line":75,"address":[4137841],"length":1,"stats":{"Line":0}},{"line":76,"address":[4137890],"length":1,"stats":{"Line":0}},{"line":77,"address":[4137939],"length":1,"stats":{"Line":0}},{"line":78,"address":[4137988],"length":1,"stats":{"Line":0}},{"line":79,"address":[4138037],"length":1,"stats":{"Line":0}},{"line":81,"address":[4139786,4139831],"length":1,"stats":{"Line":0}},{"line":83,"address":[4139768],"length":1,"stats":{"Line":0}},{"line":84,"address":[4139813],"length":1,"stats":{"Line":0}},{"line":88,"address":[4140384,4141623],"length":1,"stats":{"Line":0}},{"line":89,"address":[4140433],"length":1,"stats":{"Line":0}},{"line":90,"address":[4140758,4140840,4140944],"length":1,"stats":{"Line":0}},{"line":91,"address":[4141063,4140965],"length":1,"stats":{"Line":0}},{"line":92,"address":[4141178,4141334],"length":1,"stats":{"Line":0}},{"line":93,"address":[4141267],"length":1,"stats":{"Line":0}},{"line":94,"address":[4141295],"length":1,"stats":{"Line":0}},{"line":95,"address":[4141374,4141315],"length":1,"stats":{"Line":0}},{"line":96,"address":[4141410,4141455],"length":1,"stats":{"Line":0}},{"line":97,"address":[4141457],"length":1,"stats":{"Line":0}},{"line":99,"address":[4141442],"length":1,"stats":{"Line":0}},{"line":101,"address":[4141478],"length":1,"stats":{"Line":0}},{"line":102,"address":[4141537],"length":1,"stats":{"Line":0}},{"line":111,"address":[4141648],"length":1,"stats":{"Line":0}},{"line":112,"address":[4141680],"length":1,"stats":{"Line":0}},{"line":114,"address":[4141895,4141714],"length":1,"stats":{"Line":0}},{"line":115,"address":[4141911],"length":1,"stats":{"Line":0}},{"line":116,"address":[4153374,4153432],"length":1,"stats":{"Line":0}},{"line":117,"address":[4153443],"length":1,"stats":{"Line":0}},{"line":121,"address":[4141847],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":62},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","mod.rs"],"content":"pub mod gemma_egui_state;\npub mod gemma_egui_support;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","tests","smoke.rs"],"content":"#[test]\nfn smoke() {\n    assert!(true)\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","gemmaimgui.rs"],"content":"use clap::{Parser, Subcommand};\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::path::Path;\nuse std::time::Instant;\nuse std::{default::Default, path::PathBuf};\nuse support::ui_state::ROMPATH_DEFAULT;\nuse support::{emmagui_support::GemmaImguiSupport, ui_state::ImGuiUiState};\n\nmod support;\n\n/// Keypad Mappings for my Linux box\n/// 1 2 3 C\n/// 4 5 6 D\n/// 7 8 9 E\n/// A 0 B F\n\nconst LIN_KEYS: [(u16, u8); 0x10] = [\n    (537, 0x01),\n    (538, 0x02),\n    (539, 0x03),\n    (540, 0x0c),\n    (562, 0x04),\n    (568, 0x05),\n    (550, 0x06),\n    (563, 0x0d),\n    (546, 0x7),\n    (564, 0x8),\n    (549, 0x9),\n    (551, 0xe),\n    (571, 0xa),\n    (569, 0x0),\n    (548, 0xb),\n    (567, 0xf),\n];\n\n#[derive(Parser)]\n#[command(version, about, long_about = None)]\nstruct GemmaImguiCLIOptions {\n    roms_directory: Option\u003cPathBuf\u003e,\n}\n\nfn main() {\n    pretty_env_logger::init();\n\n    let cli_options = GemmaImguiCLIOptions::parse();\n\n    let mut system = Chip8ComputerManager::default();\n    println!(\"GOT A ROMS_DIRECTORY =\u003e [{:?}]\", cli_options.roms_directory);\n    println!(\"{:?}\", std::env::var(\"PWD\"));\n    let mut ui_state = if cli_options.roms_directory.is_none() {\n        ImGuiUiState::new(Some(PathBuf::from(ROMPATH_DEFAULT)))\n    } else {\n        ImGuiUiState::new(cli_options.roms_directory)\n    };\n\n    support::simple_init(file!(), move |_, ui| {\n        let current_time = Instant::now();\n        let mut num_cycles = 0;\n\n        // Key Checks\n        let down_keys = ui.io().keys_down;\n\n        // START DEBUG CODE TO DISPLAY WHAT KEYS WE TRAPPED\n        for (idx, val) in down_keys.iter().enumerate() {\n            if *val {\n                println!(\"{idx} = {val}\");\n            }\n        }\n        // END DEBUG CODE\n\n        for (key_code, key_reg) in LIN_KEYS {\n            if down_keys[key_code as usize] {\n                system.press_key(key_reg);\n                system.wait_for_instruction();\n            } else {\n                // do we need to release it?\n\n                if system.is_key_pressed(key_reg) {\n                    system.release_key(key_reg);\n                }\n            }\n        }\n\n        let target_ms = ui_state.frame_time;\n        let loop_start_time = Instant::now();\n        while Instant::now().duration_since(current_time).as_millis() \u003c target_ms as u128\n            \u0026\u0026 num_cycles \u003c ui_state.target_ips\n        {\n            if system.tick() {\n                num_cycles += 1;\n            }\n        }\n        let cycles_time = Instant::now().duration_since(loop_start_time);\n        if num_cycles \u003e 0 {\n            println!(\n                \"Ran for {}ms and executed {}/{} cycles.\",\n                cycles_time.as_millis(),\n                num_cycles,\n                ui_state.target_ips\n            );\n        }\n        // GUI Parts\n        if ui_state.show_video {\n            GemmaImguiSupport::video_display(system.state(), \u0026ui_state, ui);\n        }\n\n        GemmaImguiSupport::system_controls(\u0026mut system, \u0026mut ui_state, ui);\n\n        if ui_state.show_registers {\n            GemmaImguiSupport::registers_view(system.state(), ui);\n        }\n\n        if ui_state.show_memory {\n            let active_instruction = system.state().registers.peek_pc();\n            GemmaImguiSupport::hex_memory_display(\n                system.state().memory.clone(),\n                (0x100, 0x10),\n                active_instruction as i16,\n                ui,\n            );\n        }\n\n        if ui_state.show_keypad {\n            GemmaImguiSupport::keypad_display(system.state(), ui);\n        }\n    });\n}\n","traces":[{"line":42,"address":[4921048,4920208,4921020],"length":1,"stats":{"Line":0}},{"line":43,"address":[4920215],"length":1,"stats":{"Line":0}},{"line":45,"address":[4920240],"length":1,"stats":{"Line":0}},{"line":47,"address":[4920258],"length":1,"stats":{"Line":0}},{"line":48,"address":[4920381,4920315],"length":1,"stats":{"Line":0}},{"line":49,"address":[4920450],"length":1,"stats":{"Line":0}},{"line":50,"address":[4920641],"length":1,"stats":{"Line":0}},{"line":51,"address":[4920913,4920719],"length":1,"stats":{"Line":0}},{"line":53,"address":[4920662,4920753],"length":1,"stats":{"Line":0}},{"line":56,"address":[4920755],"length":1,"stats":{"Line":0}},{"line":57,"address":[4937737],"length":1,"stats":{"Line":0}},{"line":58,"address":[4937772],"length":1,"stats":{"Line":0}},{"line":61,"address":[4937780],"length":1,"stats":{"Line":0}},{"line":64,"address":[4938046,4937811],"length":1,"stats":{"Line":0}},{"line":65,"address":[4938078],"length":1,"stats":{"Line":0}},{"line":66,"address":[4939331],"length":1,"stats":{"Line":0}},{"line":71,"address":[4937972,4938165,4938297,4938108],"length":1,"stats":{"Line":0}},{"line":72,"address":[4938331,4939158],"length":1,"stats":{"Line":0}},{"line":73,"address":[4939233],"length":1,"stats":{"Line":0}},{"line":74,"address":[4939293],"length":1,"stats":{"Line":0}},{"line":78,"address":[4939206,4939251],"length":1,"stats":{"Line":0}},{"line":79,"address":[4939269],"length":1,"stats":{"Line":0}},{"line":84,"address":[4938248],"length":1,"stats":{"Line":0}},{"line":85,"address":[4938265],"length":1,"stats":{"Line":0}},{"line":86,"address":[4938356],"length":1,"stats":{"Line":0}},{"line":87,"address":[4938534],"length":1,"stats":{"Line":0}},{"line":89,"address":[4939132,4938551],"length":1,"stats":{"Line":0}},{"line":90,"address":[4939109,4939137],"length":1,"stats":{"Line":0}},{"line":93,"address":[4938456],"length":1,"stats":{"Line":0}},{"line":94,"address":[4938520],"length":1,"stats":{"Line":0}},{"line":95,"address":[4938622],"length":1,"stats":{"Line":0}},{"line":97,"address":[4938601],"length":1,"stats":{"Line":0}},{"line":103,"address":[4938575],"length":1,"stats":{"Line":0}},{"line":104,"address":[4938882],"length":1,"stats":{"Line":0}},{"line":107,"address":[4938846],"length":1,"stats":{"Line":0}},{"line":109,"address":[4938866],"length":1,"stats":{"Line":0}},{"line":110,"address":[4938936],"length":1,"stats":{"Line":0}},{"line":113,"address":[4938920],"length":1,"stats":{"Line":0}},{"line":114,"address":[4938978],"length":1,"stats":{"Line":0}},{"line":115,"address":[4939047],"length":1,"stats":{"Line":0}},{"line":116,"address":[4939015],"length":1,"stats":{"Line":0}},{"line":123,"address":[4938962],"length":1,"stats":{"Line":0}},{"line":124,"address":[4939088],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":43},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","emmagui_support.rs"],"content":"use crate::support::gui_file_list::GuiFileList;\nuse crate::ImGuiUiState;\nuse dimensioned::ucum::f32consts::CUP_M;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::computer_manager::ManagerDumpables::{Keyboard, Registers, Video};\nuse gemma::chip8::quirk_modes::QuirkMode::{self, *};\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::constants::CHIP8_KEYBOARD;\nuse imgui::{CollapsingHeader, Condition, ImColor32, Ui};\nuse log::debug;\nuse std::fs::File;\nuse std::io::Read;\nuse std::path::{Path, PathBuf};\n\nconst ROM_ROOT: \u0026str = \"resources/roms\";\n\npub struct GemmaImguiSupport {}\n\nconst CELL_WIDTH: i32 = 5i32;\nconst CELL_HEIGHT: i32 = 5i32;\n\nimpl GemmaImguiSupport {\n    pub fn keypad_display(system_to_display: \u0026Chip8Computer, ui: \u0026Ui) {\n        ui.window(\"Keypad\".to_string())\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                for row in CHIP8_KEYBOARD {\n                    for key in row {\n                        let label = if system_to_display.keypad.pressed(key) {\n                            format!(\"*{:1x}*\", key)\n                        } else {\n                            format!(\"{:1x}\", key)\n                        };\n                        ui.text(\u0026label);\n                        ui.same_line();\n                    }\n                    ui.text(\"\");\n                }\n            });\n    }\n\n    pub fn video_display(system_to_control: \u0026Chip8Computer, gui_state: \u0026ImGuiUiState, ui: \u0026Ui) {\n        // draw area size\n        let (width, height) = system_to_control.video_memory.get_resolution();\n        let draw_area_size = ui.io().display_size;\n        //  println!(\"DRAW_AREA_SIZE = {}x{}\", draw_area_size[0], draw_area_size[1]);\n        let cell_width = ((draw_area_size[0] as i32 / width) * 6) / 10;\n        let cell_height = ((draw_area_size[1] as i32 / height) * 6) / 10;\n\n        let origin = ui.cursor_pos();\n        let fg = ui.get_foreground_draw_list();\n        if system_to_control.video_memory.is_highres() {\n            // ui.text(\"High Def Video here\");\n            for current_row in 0..=height {\n                let y_offset = origin[1] as i32 + (current_row * cell_height);\n                for current_column in 0..=width {\n                    let x_offset = origin[0] as i32 + (current_column * cell_width);\n                    let current_origin = [x_offset as f32, y_offset as f32];\n                    let current_limit = [\n                        (x_offset + cell_width) as f32,\n                        (y_offset + cell_height) as f32,\n                    ];\n                    let memory_offset = (current_row * width + current_column) as u16;\n                    let to_render = system_to_control.video_memory.peek(memory_offset);\n                    let color: ImColor32 = if to_render {\n                        gui_state.on_colour\n                    } else {\n                        gui_state.off_colour\n                    };\n                    fg.add_rect_filled_multicolor(\n                        current_origin,\n                        current_limit,\n                        color,\n                        color,\n                        color,\n                        color,\n                    );\n                }\n            }\n        } else {\n            for current_row in 0..height {\n                let y_offset = origin[1] as i32 + (current_row * cell_height);\n                for current_column in 0..width {\n                    let x_offset = origin[0] as i32 + (current_column * cell_width);\n                    let current_origin = [x_offset as f32, y_offset as f32];\n                    let current_limit = [\n                        (x_offset + cell_width) as f32,\n                        (y_offset + cell_height) as f32,\n                    ];\n                    let memory_offset = (current_row * width + current_column) as u16;\n                    let to_render = system_to_control.video_memory.peek(memory_offset);\n                    let color: ImColor32 = if to_render {\n                        gui_state.on_colour\n                    } else {\n                        gui_state.off_colour\n                    };\n                    fg.add_rect_filled_multicolor(\n                        current_origin,\n                        current_limit,\n                        color,\n                        color,\n                        color,\n                        color,\n                    );\n                }\n            }\n        }\n    }\n    pub fn system_controls(\n        system_to_control: \u0026mut Chip8ComputerManager,\n        gui_state: \u0026mut ImGuiUiState,\n        ui: \u0026Ui,\n    ) {\n        // let mut state: Chip8Computer = system_to_control;\n        ui.window(\"!!!! CONTROLS !!!!\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                /* System Step Counter */\n                ui.text(format!(\"Step {:04x}\", system_to_control.num_cycles()).as_str());\n                ui.text(format!(\"Mode {}\", system_to_control.quirks_mode()));\n                /* ROM Lister */\n                if CollapsingHeader::new(\"Roms\").build(ui) {\n                    let new_filename = GuiFileList::display_path(\n                        gui_state.roms_root_path.clone(),\n                        \u0026gui_state.filename_to_load,\n                        ui,\n                    );\n                    if !new_filename.is_empty() {\n                        if new_filename != gui_state.filename_to_load {\n                            debug!(\"NEW FILENAME SELECTED -\u003e {new_filename}\");\n                            gui_state.filename_to_load = new_filename;\n                        }\n                        if ui.button(\"Load Program\") {\n                            let mut buffer: Vec\u003cu8\u003e = Vec::new();\n                            let full_name = format!(\n                                \"{}/{}\",\n                                gui_state\n                                    .roms_root_path\n                                    .clone()\n                                    .as_os_str()\n                                    .to_string_lossy(),\n                                gui_state.filename_to_load.to_string()\n                            );\n                            debug!(\"PREPARING TO LOAD {}\", full_name);\n\n                            let input_file = File::open(Path::new(\u0026full_name));\n                            input_file\n                                .unwrap()\n                                .read_to_end(\u0026mut buffer)\n                                .expect(\"Unable to read rom.\");\n                            system_to_control.load_new_program_to_system_memory(buffer);\n                        }\n                    }\n                }\n\n                if CollapsingHeader::new(\"Controls\").build(ui) {\n                    // if the system has no program loaded hide the buttons.\n                    let bytes: [u8; 2] = [\n                        system_to_control.state().memory.peek(0x200),\n                        system_to_control.state().memory.peek(0x201),\n                    ];\n                    let show_buttons = bytes[0] != 0 || bytes[1] == 0xe0;\n\n                    if show_buttons {\n                        if ui.button(\"Step\") {\n                            system_to_control.step();\n                        };\n                        ui.same_line();\n                        if ui.button(\"Run\") {\n                            system_to_control.start();\n                        }\n                    }\n                    ui.same_line();\n                    if ui.button(\"Stop\") {\n                        system_to_control.stop();\n                    }\n                    ui.same_line();\n                    if ui.button(\"Reset\") {\n                        system_to_control.reset(system_to_control.quirks_mode());\n                    }\n                    if ui.button(\"Dump Video Memory\") {\n                        println!(\"{}\", system_to_control.dump_to_string(Video));\n                    }\n                    ui.same_line();\n                    if ui.button(\"Dump Keypad State\") {\n                        debug!(\"{}\", system_to_control.dump_to_string(Keyboard));\n                    }\n                    ui.same_line();\n                    if ui.button(\"Dump Registers\") {\n                        debug!(\"{}\", system_to_control.dump_to_string(Registers));\n                    }\n                }\n\n                if CollapsingHeader::new(\"Options\").build(ui) {\n                    ui.checkbox(\"Show Memory\", \u0026mut gui_state.show_memory);\n                    ui.same_line();\n                    ui.checkbox(\"Show Video\", \u0026mut gui_state.show_video);\n                    ui.same_line();\n                    ui.checkbox(\"Show Registers\", \u0026mut gui_state.show_registers);\n                    ui.same_line();\n                    ui.checkbox(\"Show Keypad\", \u0026mut gui_state.show_keypad);\n                    ui.input_int(\"Target IPS\", \u0026mut gui_state.target_ips)\n                        .build();\n                };\n\n                let selectors = [Chip8, SChipModern, XOChip];\n                for current_selector in selectors {\n                    let mut working_selector =\n                        ui.selectable_config(current_selector.clone().to_string());\n                    match system_to_control.quirks_mode() {\n                        Chip8 =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                        SChipModern =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                        XOChip =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                    }\n                    if working_selector.build() {\n                        system_to_control.reset(current_selector);\n                        println!(\"CLICK ON {}\", \u0026current_selector);\n                    }\n                }\n            });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026Ui) {\n        ui.window(\"Registers\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                ui.text(\"Registers\");\n                for i in 1..0x10 {\n                    ui.text(format!(\"V{:X}: {}\", i, system.registers.peek(i)));\n                    if i != 7 {\n                        ui.same_line();\n                    }\n                }\n                ui.text(\"\");\n                ui.text(format!(\"I: {:03X}\", system.registers.peek_i()));\n                ui.same_line();\n                ui.text(format!(\"ST: {:02X}\", system.sound_timer.current()));\n                ui.same_line();\n                ui.text(format!(\"DT: {:02X}\", system.delay_timer.current()));\n                ui.text(format!(\"PC: {:02X}\", system.registers.peek_pc()));\n                ui.text(format!(\"SP: {:02X}\", system.stack.depth()));\n            });\n    }\n\n    pub fn hex_memory_display(\n        bytes: Chip8SystemMemory,\n        position: (i32, i32),\n        active: i16,\n        ui: \u0026Ui,\n    ) {\n        let rows = position.0;\n        let cols = position.1;\n        ui.window(\"System Memory\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                let mut current_x_hover: i32 = 0;\n                let mut current_y_hover: i32 = 0;\n                // display a block of data\n                for current_row in 0..rows {\n                    ui.text(format!(\"{:02x}\", current_row * cols));\n                    ui.same_line();\n                    for current_column in 0..cols {\n                        let data_offset = current_row * cols + current_column;\n                        let formatted_text = format!(\"{:02x}\", bytes.peek(data_offset as u16));\n                        let text_location = ui.cursor_screen_pos();\n                        let text_size = ui.calc_text_size(formatted_text.clone());\n                        let bounding_box = imgui::sys::ImVec2 {\n                            x: text_location[0] + text_size[0],\n                            y: text_location[1] + text_size[1],\n                        };\n\n                        let hovering = ui.is_mouse_hovering_rect(\n                            text_location,\n                            [bounding_box.x, bounding_box.y],\n                        );\n                        let is_active = data_offset == active as i32;\n\n                        ui.text_colored(\n                            if hovering {\n                                [0., 1., 1., 1.]\n                            } else if is_active {\n                                [1., 0., 1., 1.]\n                            } else {\n                                [1., 1., 0., 1.]\n                            },\n                            formatted_text.clone(),\n                        );\n\n                        // if we are hovering show that at the bottom...\n                        if hovering {\n                            // Optionally change the text color to indicate it's interactable\n                            current_x_hover = current_column;\n                            current_y_hover = current_row;\n\n                            // Check if the left mouse button is clicked while hovering over the text\n                            if ui.is_mouse_clicked(imgui::MouseButton::Left) {\n                                debug!(\n                                    \"Offset: [{}] [0x{:02x}] Value: [{}]\",\n                                    data_offset,\n                                    data_offset,\n                                    formatted_text.clone()\n                                );\n                                // Perform any action here, e.g., call a function, trigger an event, etc.\n                            }\n                        }\n\n                        // are we on the same line?\n                        if current_column != (cols - 1) {\n                            ui.same_line();\n                        }\n                    }\n                }\n                ui.text(format!(\n                    \"Offset 0x{:03x}\",\n                    current_x_hover * cols + current_y_hover\n                ));\n            });\n    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}\n}\n","traces":[{"line":10,"address":[4774061,4771440,4774211],"length":1,"stats":{"Line":0}},{"line":11,"address":[4771514,4771601],"length":1,"stats":{"Line":0}},{"line":12,"address":[4771686,4771609],"length":1,"stats":{"Line":0}},{"line":14,"address":[4771946],"length":1,"stats":{"Line":0}},{"line":17,"address":[4772250,4772064,4772276,4771973],"length":1,"stats":{"Line":0}},{"line":18,"address":[4772324,4774070],"length":1,"stats":{"Line":0}},{"line":21,"address":[4772365],"length":1,"stats":{"Line":0}},{"line":23,"address":[4773437,4772411,4772733],"length":1,"stats":{"Line":0}},{"line":24,"address":[4772765,4772842],"length":1,"stats":{"Line":0}},{"line":25,"address":[4773414,4773045],"length":1,"stats":{"Line":0}},{"line":26,"address":[4773296],"length":1,"stats":{"Line":0}},{"line":28,"address":[4773423,4774038,4773221],"length":1,"stats":{"Line":0}},{"line":29,"address":[4773520,4773442],"length":1,"stats":{"Line":0}},{"line":30,"address":[4773494,4773843],"length":1,"stats":{"Line":0}},{"line":33,"address":[4772683],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":15},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","mod.rs"],"content":"use 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// ignore errors?\n        let _ = self.0.set_contents(text.to_owned());\n    }\n}\n\npub const FONT_SIZE: f32 = 13.0;\n\n#[allow(dead_code)] // annoyingly, RA yells that this is unusued\npub fn simple_init\u003cF: FnMut(\u0026mut bool, \u0026mut Ui) + 'static\u003e(title: \u0026str, run_ui: F) {\n    init_with_startup(title, |_, _, _| {}, run_ui);\n}\n\npub fn init_with_startup\u003cFInit, FUi\u003e(title: \u0026str, mut startup: FInit, mut run_ui: FUi)\nwhere\n    FInit: FnMut(\u0026mut Context, \u0026mut Renderer, \u0026Display\u003cWindowSurface\u003e) + 'static,\n    FUi: FnMut(\u0026mut bool, \u0026mut Ui) + 'static,\n{\n    let mut imgui = create_context();\n\n    let title = match Path::new(\u0026title).file_name() {\n        Some(file_name) =\u003e file_name.to_str().unwrap(),\n        None =\u003e title,\n    };\n    let event_loop = EventLoop::new().expect(\"Failed to create EventLoop\");\n\n    let builder = WindowBuilder::new()\n        .with_maximized(true)\n        .with_title(title);\n      //  .with_inner_size(LogicalSize::new(1024, 768));\n    let (window, display) = glium::backend::glutin::SimpleWindowBuilder::new()\n        .set_window_builder(builder)\n        .build(\u0026event_loop);\n    let mut renderer = Renderer::init(\u0026mut imgui, \u0026display).expect(\"Failed to initialize renderer\");\n\n    if let Some(backend) = clipboard_init() {\n        imgui.set_clipboard_backend(backend);\n    } else {\n        eprintln!(\"Failed to initialize clipboard\");\n    }\n\n    let mut platform = WinitPlatform::init(\u0026mut imgui);\n    {\n        let dpi_mode = if let Ok(factor) = std::env::var(\"IMGUI_EXAMPLE_FORCE_DPI_FACTOR\") {\n            // Allow forcing of HiDPI factor for debugging purposes\n            match factor.parse::\u003cf64\u003e() {\n                Ok(f) =\u003e HiDpiMode::Locked(f),\n                Err(e) =\u003e panic!(\"Invalid scaling factor: {}\", e),\n            }\n        } else {\n            HiDpiMode::Default\n        };\n\n        platform.attach_window(imgui.io_mut(), \u0026window, dpi_mode);\n    }\n\n    let mut last_frame = Instant::now();\n\n    startup(\u0026mut imgui, \u0026mut renderer, \u0026display);\n\n    event_loop\n        .run(move |event, window_target| match event {\n            Event::NewEvents(_) =\u003e {\n                let now = Instant::now();\n                imgui.io_mut().update_delta_time(now - last_frame);\n                last_frame = now;\n            }\n            Event::AboutToWait =\u003e {\n                platform\n                    .prepare_frame(imgui.io_mut(), \u0026window)\n                    .expect(\"Failed to prepare frame\");\n                window.request_redraw();\n            }\n            Event::WindowEvent {\n                event: WindowEvent::RedrawRequested,\n                ..\n            } =\u003e {\n                let ui = imgui.frame();\n\n                let mut run = true;\n                run_ui(\u0026mut run, ui);\n                if !run {\n                    window_target.exit();\n                }\n\n                let mut target = display.draw();\n                target.clear_color_srgb(1.0, 1.0, 1.0, 1.0);\n                platform.prepare_render(ui, \u0026window);\n                let draw_data = imgui.render();\n                renderer\n                    .render(\u0026mut target, draw_data)\n                    .expect(\"Rendering failed\");\n                target.finish().expect(\"Failed to swap buffers\");\n            }\n            Event::WindowEvent {\n                event: WindowEvent::Resized(new_size),\n                ..\n            } =\u003e {\n                if new_size.width \u003e 0 \u0026\u0026 new_size.height \u003e 0 {\n                    display.resize((new_size.width, new_size.height));\n                }\n                platform.handle_event(imgui.io_mut(), \u0026window, \u0026event);\n            }\n            Event::WindowEvent {\n                event: WindowEvent::CloseRequested,\n                ..\n            } =\u003e window_target.exit(),\n            event =\u003e {\n                platform.handle_event(imgui.io_mut(), \u0026window, \u0026event);\n            }\n        })\n        .expect(\"EventLoop error\");\n}\n\n/// Creates the imgui context\npub fn create_context() -\u003e imgui::Context {\n    let mut imgui = Context::create();\n    // Fixed font size. Note imgui_winit_support uses \"logical\n    // pixels\", which are physical pixels scaled by the devices\n    // scaling factor. Meaning, 13.0 pixels should look the same size\n    // on two different screens, and thus we do not need to scale this\n    // value (as the scaling is handled by winit)\n    imgui.fonts().add_font(\u0026[\n        FontSource::TtfData {\n            data: include_bytes!(\"../../../../resources/Roboto-Regular.ttf\"),\n            size_pixels: FONT_SIZE,\n            config: Some(FontConfig {\n                // As imgui-glium-renderer isn't gamma-correct with\n                // it's font rendering, we apply an arbitrary\n                // multiplier to make the font a bit \"heavier\". With\n                // default imgui-glow-renderer this is unnecessary.\n                rasterizer_multiply: 1.5,\n                // Oversampling font helps improve text rendering at\n                // expense of larger font atlas texture.\n                oversample_h: 4,\n                oversample_v: 4,\n                ..FontConfig::default()\n            }),\n        },\n        FontSource::TtfData {\n            data: include_bytes!(\"../../../../resources/mplus-1p-regular.ttf\"),\n            size_pixels: FONT_SIZE,\n            config: Some(FontConfig {\n                // Oversampling font helps improve text rendering at\n                // expense of larger font atlas texture.\n                oversample_h: 4,\n                oversample_v: 4,\n                // Range of glyphs to rasterize\n                glyph_ranges: FontGlyphRanges::japanese(),\n                ..FontConfig::default()\n            }),\n        },\n    ]);\n    imgui.set_ini_filename(None);\n\n    imgui\n}\n","traces":[{"line":21,"address":[4812688],"length":1,"stats":{"Line":0}},{"line":22,"address":[4812705],"length":1,"stats":{"Line":0}},{"line":26,"address":[4812768],"length":1,"stats":{"Line":0}},{"line":27,"address":[4812787],"length":1,"stats":{"Line":0}},{"line":29,"address":[4812832],"length":1,"stats":{"Line":0}},{"line":31,"address":[4812855],"length":1,"stats":{"Line":0}},{"line":38,"address":[],"length":0,"stats":{"Line":0}},{"line":39,"address":[],"length":0,"stats":{"Line":0}},{"line":42,"address":[4479440,4481342,4482325],"length":1,"stats":{"Line":0}},{"line":47,"address":[],"length":0,"stats":{"Line":0}},{"line":49,"address":[4479652,4479745],"length":1,"stats":{"Line":0}},{"line":50,"address":[4479867,4479941],"length":1,"stats":{"Line":0}},{"line":51,"address":[],"length":0,"stats":{"Line":0}},{"line":53,"address":[],"length":0,"stats":{"Line":0}},{"line":55,"address":[],"length":0,"stats":{"Line":0}},{"line":57,"address":[4480174,4480131],"length":1,"stats":{"Line":0}},{"line":59,"address":[],"length":0,"stats":{"Line":0}},{"line":60,"address":[],"length":0,"stats":{"Line":0}},{"line":61,"address":[],"length":0,"stats":{"Line":0}},{"line":62,"address":[4480450,4480498],"length":1,"stats":{"Line":0}},{"line":64,"address":[],"length":0,"stats":{"Line":0}},{"line":65,"address":[],"length":0,"stats":{"Line":0}},{"line":67,"address":[],"length":0,"stats":{"Line":0}},{"line":70,"address":[],"length":0,"stats":{"Line":0}},{"line":72,"address":[],"length":0,"stats":{"Line":0}},{"line":74,"address":[],"length":0,"stats":{"Line":0}},{"line":75,"address":[],"length":0,"stats":{"Line":0}},{"line":76,"address":[4481173,4481264],"length":1,"stats":{"Line":0}},{"line":79,"address":[],"length":0,"stats":{"Line":0}},{"line":82,"address":[],"length":0,"stats":{"Line":0}},{"line":85,"address":[],"length":0,"stats":{"Line":0}},{"line":87,"address":[],"length":0,"stats":{"Line":0}},{"line":89,"address":[],"length":0,"stats":{"Line":0}},{"line":90,"address":[],"length":0,"stats":{"Line":0}},{"line":91,"address":[],"length":0,"stats":{"Line":0}},{"line":92,"address":[],"length":0,"stats":{"Line":0}},{"line":93,"address":[4482866],"length":1,"stats":{"Line":0}},{"line":94,"address":[4482981],"length":1,"stats":{"Line":0}},{"line":96,"address":[],"length":0,"stats":{"Line":0}},{"line":97,"address":[],"length":0,"stats":{"Line":0}},{"line":98,"address":[],"length":0,"stats":{"Line":0}},{"line":99,"address":[],"length":0,"stats":{"Line":0}},{"line":100,"address":[],"length":0,"stats":{"Line":0}},{"line":102,"address":[],"length":0,"stats":{"Line":0}},{"line":103,"address":[],"length":0,"stats":{"Line":0}},{"line":104,"address":[],"length":0,"stats":{"Line":0}},{"line":105,"address":[],"length":0,"stats":{"Line":0}},{"line":106,"address":[],"length":0,"stats":{"Line":0}},{"line":108,"address":[],"length":0,"stats":{"Line":0}},{"line":109,"address":[],"length":0,"stats":{"Line":0}},{"line":110,"address":[],"length":0,"stats":{"Line":0}},{"line":111,"address":[],"length":0,"stats":{"Line":0}},{"line":114,"address":[],"length":0,"stats":{"Line":0}},{"line":115,"address":[4483353],"length":1,"stats":{"Line":0}},{"line":116,"address":[],"length":0,"stats":{"Line":0}},{"line":117,"address":[],"length":0,"stats":{"Line":0}},{"line":118,"address":[4483523],"length":1,"stats":{"Line":0}},{"line":119,"address":[],"length":0,"stats":{"Line":0}},{"line":120,"address":[],"length":0,"stats":{"Line":0}},{"line":121,"address":[4483587],"length":1,"stats":{"Line":0}},{"line":123,"address":[],"length":0,"stats":{"Line":0}},{"line":124,"address":[],"length":0,"stats":{"Line":0}},{"line":125,"address":[],"length":0,"stats":{"Line":0}},{"line":126,"address":[],"length":0,"stats":{"Line":0}},{"line":127,"address":[],"length":0,"stats":{"Line":0}},{"line":128,"address":[],"length":0,"stats":{"Line":0}},{"line":130,"address":[4483220,4483116],"length":1,"stats":{"Line":0}},{"line":132,"address":[],"length":0,"stats":{"Line":0}},{"line":133,"address":[],"length":0,"stats":{"Line":0}},{"line":134,"address":[],"length":0,"stats":{"Line":0}},{"line":135,"address":[],"length":0,"stats":{"Line":0}},{"line":136,"address":[],"length":0,"stats":{"Line":0}},{"line":137,"address":[],"length":0,"stats":{"Line":0}},{"line":144,"address":[4812912,4814460],"length":1,"stats":{"Line":0}},{"line":145,"address":[4812929],"length":1,"stats":{"Line":0}},{"line":151,"address":[4814054,4812953],"length":1,"stats":{"Line":0}},{"line":152,"address":[4813352],"length":1,"stats":{"Line":0}},{"line":155,"address":[4813029],"length":1,"stats":{"Line":0}},{"line":165,"address":[4813010],"length":1,"stats":{"Line":0}},{"line":168,"address":[4813920],"length":1,"stats":{"Line":0}},{"line":171,"address":[4813605],"length":1,"stats":{"Line":0}},{"line":177,"address":[4813486],"length":1,"stats":{"Line":0}},{"line":178,"address":[4813571],"length":1,"stats":{"Line":0}},{"line":182,"address":[4814399],"length":1,"stats":{"Line":0}},{"line":184,"address":[4814432],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":85},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","ui_state.rs"],"content":"use imgui::ImColor32;\nuse std::path::PathBuf;\nuse std::time::Instant;\n\npub const ROMPATH_DEFAULT: \u0026str = \"resources/roms\";\n\npub struct ImGuiUiState {\n    pub show_registers: bool,\n    pub show_memory: bool,\n    pub show_video: bool,\n    pub show_keypad: bool,\n    pub filename_to_load: String,\n    pub on_colour: ImColor32,\n    pub off_colour: ImColor32,\n    pub is_running: bool,\n    pub frame_time: u32,\n    pub last_frame_instant: Instant,\n    pub target_ips: i32,\n    pub roms_root_path: PathBuf\n}\n\nimpl Clone for ImGuiUiState {\n    fn clone(\u0026self) -\u003e Self {\n        ImGuiUiState {\n            show_registers: self.show_registers,\n            show_memory: self.show_memory,\n            show_video: self.show_video,\n            show_keypad: self.show_keypad,\n            filename_to_load: self.filename_to_load.to_string(),\n            on_colour: self.on_colour,\n            off_colour: self.off_colour,\n            is_running: self.is_running,\n            frame_time: self.frame_time,\n            last_frame_instant: self.last_frame_instant,\n            target_ips: self.target_ips,\n            roms_root_path: self.roms_root_path.to_owned()\n        }\n    }\n}\n\nimpl Default for ImGuiUiState {\n    fn default() -\u003e Self {\n        ImGuiUiState {\n            show_registers: false,\n            show_memory: false,\n            show_video: true,\n            show_keypad: true,\n            filename_to_load: String::new(),\n            on_colour: ImColor32::from_rgb(0xff, 0xff, 0x00),\n            off_colour: ImColor32::from_rgb(0x00, 0xff, 0xff),\n            is_running: false,\n            frame_time: 16,\n            last_frame_instant: Instant::now(),\n            target_ips: 200000,\n            roms_root_path: PathBuf::from(ROMPATH_DEFAULT)\n        }\n    }\n}\n\nimpl ImGuiUiState {\n    pub fn new(rom_path: Option\u003cPathBuf\u003e) -\u003e ImGuiUiState {\n        let unwrapped = rom_path.clone().unwrap_or(PathBuf::from(ROMPATH_DEFAULT));\n\n        println!(\"UNWRAPPED =\u003e [{:?}]\", unwrapped);\n\n        ImGuiUiState {\n            roms_root_path: rom_path.unwrap_or(PathBuf::from(ROMPATH_DEFAULT)),\n            ..Default::default()\n        }\n    }\n}\n","traces":[{"line":23,"address":[4486176,4485808],"length":1,"stats":{"Line":0}},{"line":25,"address":[4485840],"length":1,"stats":{"Line":0}},{"line":26,"address":[4485847],"length":1,"stats":{"Line":0}},{"line":27,"address":[4485854],"length":1,"stats":{"Line":0}},{"line":28,"address":[4485861],"length":1,"stats":{"Line":0}},{"line":29,"address":[4485873],"length":1,"stats":{"Line":0}},{"line":30,"address":[4485883],"length":1,"stats":{"Line":0}},{"line":31,"address":[4485890],"length":1,"stats":{"Line":0}},{"line":32,"address":[4485897],"length":1,"stats":{"Line":0}},{"line":33,"address":[4485904],"length":1,"stats":{"Line":0}},{"line":34,"address":[4485911],"length":1,"stats":{"Line":0}},{"line":35,"address":[4485927],"length":1,"stats":{"Line":0}},{"line":36,"address":[4485934],"length":1,"stats":{"Line":0}},{"line":42,"address":[4486208,4486505],"length":1,"stats":{"Line":0}},{"line":48,"address":[4486227],"length":1,"stats":{"Line":0}},{"line":49,"address":[4486239],"length":1,"stats":{"Line":0}},{"line":50,"address":[4486294],"length":1,"stats":{"Line":0}},{"line":53,"address":[4486307],"length":1,"stats":{"Line":0}},{"line":55,"address":[4486344],"length":1,"stats":{"Line":0}},{"line":61,"address":[4487416,4486528,4487366],"length":1,"stats":{"Line":0}},{"line":62,"address":[4487397,4486549,4486638],"length":1,"stats":{"Line":0}},{"line":64,"address":[4486763,4486811],"length":1,"stats":{"Line":0}},{"line":67,"address":[4486878,4487375],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":23},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","tests","smoke.rs"],"content":"#[test]\nfn smoke() {\n    assert!(true)\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmarat","src","bin","gemmarat.rs"],"content":"use std::path::Path;\nuse ratatui::prelude::*;\nuse std::time::Duration;\nuse color_eyre::{eyre::Context, Result};\nuse ratatui::{\n    crossterm::event::{self, Event, KeyCode},\n    widgets::Paragraph,\n    DefaultTerminal, Frame,\n};\nuse ratatui::layout::{Constraint, Direction};\nuse ratatui::prelude::Layout;\nuse ratatui::widgets::{Block, Borders};\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode::Chip8;\nuse gemmarat::register_widget::RegisterWidget;\nuse gemmarat::timer_widget::TimerWidget;\nuse gemmarat::video_widget::VideoWidget;\n\nstruct GemmaRat {\n    pub computer: Chip8ComputerManager\n}\n\nimpl Default for GemmaRat {\n    fn default() -\u003e Self {\n        GemmaRat {\n            computer: Chip8ComputerManager::default()\n        }\n    }\n}\n\nfn main() -\u003e Result\u003c()\u003e {\n    color_eyre::install()?;\n    let terminal = ratatui::init();\n    let app_result = run(terminal).context(\"app loop failed\");\n    ratatui::restore();\n    app_result\n}\n\nfn run(mut terminal: DefaultTerminal) -\u003e Result\u003c()\u003e {\n    let mut manager = Chip8ComputerManager::default();\n    manager.load_new_program_from_disk_to_system_memory(Path::new(\"/home/tmerritt/Projects/trevors_chip8_toy/resources/roms/2-ibm-logo.ch8\"));\n    loop {\n        manager.tick();\n        terminal.draw(|frame| {\n            do_draw(frame, \u0026mut manager);\n        }).expect(\"unable to render display.\");\n        if handle_keyboard(\u0026mut manager)? {\n            break;\n        }\n    }\n    Ok(())\n}\n\nfn do_draw(frame: \u0026mut Frame, draw_with: \u0026mut Chip8ComputerManager) {\n    // build the layout...\n    let main_layout = Layout::default()\n        .direction(Direction::Vertical)\n        .constraints(vec![\n            Constraint::Length(32),\n            Constraint::Max(3)\n        ])\n        .split(frame.area());\n    let upper_block = Layout::default()\n        .direction(Direction::Horizontal)\n        .constraints(vec![\n            Constraint::Length(64),\n            Constraint::Fill(1)\n        ])\n        .split(main_layout[0]);\n    let column_block = Layout::default()\n        .direction(Direction::Vertical)\n        .constraints(vec![\n            // Registers\n            Constraint::Min(20),\n            // Timers\n            Constraint::Min(6),\n            // Keypad\n            Constraint::Min(8)\n        ])\n        .split(upper_block[1]);\n    // ...then put the parts in the layout.\n\n\n    // Video Block\n    let state = draw_with.state().clone().video_memory;\n    frame.render_widget(\n        VideoWidget::with_display(state), upper_block[0]\n    );\n\n    // Registers Block\n    let mut state = draw_with.state().registers;\n    frame.render_stateful_widget(\n        RegisterWidget::new(),\n            column_block[0],\n        \u0026mut state);\n\n    // Times Block\n    frame.render_stateful_widget(\n        TimerWidget::new(),\n        column_block[1],\n        \u0026mut TimerWidget::with_values(\n            draw_with.state().sound_timer.current(),\n            draw_with.state().delay_timer.current()\n        )\n    );\n\n    // Keypad Block\n    frame.render_widget(\n        Paragraph::new(\"Keypad Goes Here\")\n            .block(Block::new().borders(Borders::ALL)), column_block[2]\n    );\n\n    // Footer Bar\n    frame.render_widget(\n        Paragraph::new(\"F1 - Step | F2 - Run | F3 - Stop | F4 - Reset | Q - Quit\")\n            .centered()\n            .block(Block::new().borders(Borders::ALL)), main_layout[1]);\n\n}\n\nfn handle_keyboard(state: \u0026mut Chip8ComputerManager) -\u003e Result\u003cbool\u003e {\n    let mut die_time = false;\n    if event::poll(Duration::from_millis(10)).context(\"Unable to poll Keyboard\")? {\n        if let Event::Key(key) = event::read().context(\"Event Read Failed\")? {\n            match key.code {\n                KeyCode::F(1) =\u003e {\n                    state.tick();\n                },\n                KeyCode::F(2) =\u003e {\n                    state.core_should_run = true;\n                },\n                KeyCode::F(3) =\u003e {\n                    state.core_should_run = false;\n                }\n                KeyCode::F(4) =\u003e {\n                    state.reset(Chip8);\n                }\n                KeyCode::Char('q') | KeyCode::Char('Q') =\u003e {\n                    die_time = true;\n                }\n                _ =\u003e {}\n            }\n        }\n    }\n\n    Ok(die_time)\n}\n\n","traces":[{"line":24,"address":[1559552],"length":1,"stats":{"Line":0}},{"line":26,"address":[1559568],"length":1,"stats":{"Line":0}},{"line":31,"address":[1559838,1559616],"length":1,"stats":{"Line":0}},{"line":32,"address":[1559623,1559742],"length":1,"stats":{"Line":0}},{"line":33,"address":[1559669],"length":1,"stats":{"Line":0}},{"line":34,"address":[1559691],"length":1,"stats":{"Line":0}},{"line":35,"address":[1559731],"length":1,"stats":{"Line":0}},{"line":36,"address":[1559812],"length":1,"stats":{"Line":0}},{"line":39,"address":[1560333,1559872],"length":1,"stats":{"Line":0}},{"line":40,"address":[1559884],"length":1,"stats":{"Line":0}},{"line":41,"address":[1559937,1560018],"length":1,"stats":{"Line":0}},{"line":43,"address":[1560036],"length":1,"stats":{"Line":0}},{"line":44,"address":[1523984],"length":1,"stats":{"Line":0}},{"line":45,"address":[1524009],"length":1,"stats":{"Line":0}},{"line":46,"address":[1524019],"length":1,"stats":{"Line":0}},{"line":47,"address":[1560300,1560132],"length":1,"stats":{"Line":0}},{"line":51,"address":[1560247],"length":1,"stats":{"Line":0}},{"line":54,"address":[1560368,1564605,1564442],"length":1,"stats":{"Line":0}},{"line":56,"address":[1560407,1560516,1560967,1560817],"length":1,"stats":{"Line":0}},{"line":57,"address":[1560544,1560508],"length":1,"stats":{"Line":0}},{"line":58,"address":[1560666,1560562],"length":1,"stats":{"Line":0}},{"line":59,"address":[1560626],"length":1,"stats":{"Line":0}},{"line":60,"address":[1560646],"length":1,"stats":{"Line":0}},{"line":62,"address":[1560872,1561058],"length":1,"stats":{"Line":0}},{"line":63,"address":[1561129,1561722,1561615,1561144,1561455],"length":1,"stats":{"Line":0}},{"line":64,"address":[1561136,1561182],"length":1,"stats":{"Line":0}},{"line":65,"address":[1561200,1561304],"length":1,"stats":{"Line":0}},{"line":66,"address":[1561264],"length":1,"stats":{"Line":0}},{"line":67,"address":[1561284],"length":1,"stats":{"Line":0}},{"line":69,"address":[1561738,1561682,1561502],"length":1,"stats":{"Line":0}},{"line":70,"address":[1562341,1561824,1561809,1562450,1562177],"length":1,"stats":{"Line":0}},{"line":71,"address":[1561816,1561862],"length":1,"stats":{"Line":0}},{"line":72,"address":[1561880,1562004],"length":1,"stats":{"Line":0}},{"line":74,"address":[1561944],"length":1,"stats":{"Line":0}},{"line":76,"address":[1561964],"length":1,"stats":{"Line":0}},{"line":78,"address":[1561984],"length":1,"stats":{"Line":0}},{"line":80,"address":[1562466,1562224,1562408],"length":1,"stats":{"Line":0}},{"line":85,"address":[1562537],"length":1,"stats":{"Line":0}},{"line":86,"address":[1562926],"length":1,"stats":{"Line":0}},{"line":87,"address":[1562978,1562739,1562892],"length":1,"stats":{"Line":0}},{"line":91,"address":[1563019],"length":1,"stats":{"Line":0}},{"line":92,"address":[1563146],"length":1,"stats":{"Line":0}},{"line":93,"address":[1563062],"length":1,"stats":{"Line":0}},{"line":94,"address":[1563198,1563081],"length":1,"stats":{"Line":0}},{"line":98,"address":[1563519],"length":1,"stats":{"Line":0}},{"line":99,"address":[1563223],"length":1,"stats":{"Line":0}},{"line":100,"address":[1563258,1563348],"length":1,"stats":{"Line":0}},{"line":101,"address":[1563454],"length":1,"stats":{"Line":0}},{"line":102,"address":[1563327,1563379],"length":1,"stats":{"Line":0}},{"line":103,"address":[1563406],"length":1,"stats":{"Line":0}},{"line":108,"address":[1563860],"length":1,"stats":{"Line":0}},{"line":109,"address":[1563564,1563691],"length":1,"stats":{"Line":0}},{"line":110,"address":[1563912,1564495,1563591,1563734,1563825],"length":1,"stats":{"Line":0}},{"line":114,"address":[1564267],"length":1,"stats":{"Line":0}},{"line":115,"address":[1564100,1563946],"length":1,"stats":{"Line":0}},{"line":116,"address":[1564000],"length":1,"stats":{"Line":0}},{"line":117,"address":[1564420,1564143,1564318,1564008,1564451],"length":1,"stats":{"Line":0}},{"line":121,"address":[1564640,1565383],"length":1,"stats":{"Line":0}},{"line":122,"address":[1564670],"length":1,"stats":{"Line":0}},{"line":123,"address":[1564675],"length":1,"stats":{"Line":0}},{"line":124,"address":[1564843],"length":1,"stats":{"Line":0}},{"line":125,"address":[1565132,1565198],"length":1,"stats":{"Line":0}},{"line":127,"address":[1565373,1565264],"length":1,"stats":{"Line":0}},{"line":129,"address":[1565287],"length":1,"stats":{"Line":0}},{"line":130,"address":[1565280],"length":1,"stats":{"Line":0}},{"line":132,"address":[1565301],"length":1,"stats":{"Line":0}},{"line":133,"address":[1565294],"length":1,"stats":{"Line":0}},{"line":136,"address":[1565378,1565308],"length":1,"stats":{"Line":0}},{"line":138,"address":[1565410],"length":1,"stats":{"Line":0}},{"line":139,"address":[1565405],"length":1,"stats":{"Line":0}},{"line":146,"address":[1564825],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":71},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmarat","src","lib.rs"],"content":"pub mod timer_widget;\npub mod register_widget;\npub mod video_widget;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmarat","src","register_widget.rs"],"content":"use ratatui::layout::Rect;\nuse ratatui::prelude::*;\nuse ratatui::widgets::{Block, Borders, List, ListItem, ListState};\nuse gemma::chip8::registers::Chip8Registers;\n\npub struct RegisterWidget {\n    state: Chip8Registers\n}\n\nimpl RegisterWidget {\n    pub fn new() -\u003e RegisterWidget {\n        RegisterWidget { state: Chip8Registers::default() }\n    }\n\n    pub fn with_values(state: Chip8Registers) -\u003e RegisterWidget {\n        RegisterWidget {\n            state\n        }\n    }\n}\n\nimpl StatefulWidget for RegisterWidget {\n    type State = Chip8Registers;\n\n    fn render(self, area: Rect, buf: \u0026mut Buffer, state: \u0026mut Chip8Registers) {\n        let mut working_lines: Vec\u003cListItem\u003e = vec![];\n\n        // build the lines for the display...\n        let working_text = state.format_as_string();\n\n        for current_line in working_text.lines() {\n            working_lines.push(ListItem::new(current_line));\n        }\n\n        let my_list = List::new(working_lines)\n            .block(Block::new()\n                .title(Line::raw(\"Registers\").centered())\n                .borders(Borders::ALL));\n        // ...draw it out;\n\n        StatefulWidget::render(my_list, area, buf, \u0026mut ListState::default());\n    }\n}\n","traces":[{"line":11,"address":[1866736],"length":1,"stats":{"Line":0}},{"line":12,"address":[1201741],"length":1,"stats":{"Line":0}},{"line":15,"address":[1201792],"length":1,"stats":{"Line":0}},{"line":25,"address":[1201824,1202838,1202923],"length":1,"stats":{"Line":0}},{"line":26,"address":[1201872],"length":1,"stats":{"Line":0}},{"line":29,"address":[1201927],"length":1,"stats":{"Line":0}},{"line":31,"address":[1202062,1201989,1202253],"length":1,"stats":{"Line":0}},{"line":32,"address":[1202293,1202891],"length":1,"stats":{"Line":0}},{"line":35,"address":[1202196,1202303,1202554],"length":1,"stats":{"Line":0}},{"line":36,"address":[1202311,1202475,1202522],"length":1,"stats":{"Line":0}},{"line":37,"address":[1202847,1202371,1202514],"length":1,"stats":{"Line":0}},{"line":38,"address":[1202597,1202330,1202869],"length":1,"stats":{"Line":0}},{"line":41,"address":[1202816,1202605],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":13},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmarat","src","timer_widget.rs"],"content":"use ratatui::prelude::*;\nuse ratatui::widgets::{Block, Paragraph};\nuse ratatui::text::Line;\n\npub struct TimerWidget {\n    sound_timer_value: u8,\n    delay_timer_value: u8\n}\n\nimpl TimerWidget {\n    pub fn new() -\u003e TimerWidget {\n        TimerWidget { sound_timer_value: 0, delay_timer_value: 0 }\n    }\n\n    pub fn with_values(sound: u8, delay: u8) -\u003e TimerWidget {\n        TimerWidget {\n            sound_timer_value: sound,\n            delay_timer_value: delay\n        }\n    }\n}\n\nimpl StatefulWidget for TimerWidget {\n    type State = TimerWidget;\n\n    fn render(self, area: Rect, buf: \u0026mut Buffer, state: \u0026mut TimerWidget) {\n        let line_1 = Span::raw(format!(\"Sound Timer: {} [{:02x}]\", state.sound_timer_value, state.sound_timer_value));\n        let line_2 = Span::raw(format!(\"Delay Timer: {} [{:02x}]\", state.delay_timer_value, state.delay_timer_value));\n\n        let text = vec![\n            Line::from(vec![line_1]),\n            Line::from(vec![line_2])\n        ];\n\n        let line = Paragraph::new(text)\n            .block(Block::bordered().title(\"Timers\"));\n        line.render(area, buf);\n    }\n}\n","traces":[{"line":11,"address":[1871088],"length":1,"stats":{"Line":0}},{"line":15,"address":[1198640],"length":1,"stats":{"Line":0}},{"line":26,"address":[1201133,1201097,1198656],"length":1,"stats":{"Line":0}},{"line":27,"address":[1198743],"length":1,"stats":{"Line":0}},{"line":28,"address":[1199429,1199368],"length":1,"stats":{"Line":0}},{"line":30,"address":[1200109,1200615,1200013,1200367,1201106,1200071],"length":1,"stats":{"Line":0}},{"line":31,"address":[1200089,1200141],"length":1,"stats":{"Line":0}},{"line":32,"address":[1200355,1200411],"length":1,"stats":{"Line":0}},{"line":35,"address":[1200829,1200939],"length":1,"stats":{"Line":0}},{"line":36,"address":[1200844,1201075,1200987],"length":1,"stats":{"Line":0}},{"line":37,"address":[1200995],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":11},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmarat","src","video_widget.rs"],"content":"use ratatui::prelude::*;\nuse ratatui::widgets::Paragraph;\nuse gemma::chip8::video::Chip8Video;\n\npub struct VideoWidget {\n    video: Chip8Video\n}\n\nimpl VideoWidget {\n    pub fn new() -\u003e Self {\n        VideoWidget {\n            video : Chip8Video::default()\n        }\n    }\n\n    pub fn with_display(new_display: Chip8Video) -\u003e Self {\n        VideoWidget {\n            video: new_display\n        }\n    }\n}\n\nimpl Widget for VideoWidget {\n    fn render(self, area: Rect, buf: \u0026mut Buffer) {\n        let working_text = self.video.format_as_string();\n\n        //println!(\"WORKING_TEXT = {}\", working_text);\n        let text = Paragraph::new(working_text);\n        Widget::render(text, area, buf);\n    }\n}","traces":[{"line":10,"address":[1211168],"length":1,"stats":{"Line":0}},{"line":12,"address":[1211182],"length":1,"stats":{"Line":0}},{"line":16,"address":[1211248],"length":1,"stats":{"Line":0}},{"line":24,"address":[1211485,1211296],"length":1,"stats":{"Line":0}},{"line":25,"address":[1211342],"length":1,"stats":{"Line":0}},{"line":28,"address":[1211402],"length":1,"stats":{"Line":0}},{"line":29,"address":[1211414],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":7},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","bin","gemmatelnetd.rs"],"content":"use std::io::{BufRead, BufReader, Write};\nuse std::net::{TcpListener, TcpStream};\nuse std::thread;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemmatelnet::client_handler::handle_client;\nuse log::info;\nuse clap::Parser;\n\nconst LISTEN_HOST: \u0026str = \"0.0.0.0\";\nconst LISTEN_PORT: u32 = 1420;\n\n#[derive(Parser, Debug)]\n#[command(name = \"myapp\")]\n#[command(about = \"Does awesome things\", long_about = None)]\nstruct Cli {\n    #[arg(long, default_value = \"0.0.0.0\")]\n    host: Option\u003cString\u003e,\n    #[arg(long, default_value = \"1420\")]\n    port: Option\u003cu32\u003e,\n}\n\nimpl Cli {\n    pub fn host(\u0026self) -\u003e String {\n        self.host.clone().unwrap_or(LISTEN_HOST.into())\n    }\n    pub fn port(\u0026self) -\u003e u32 {\n        self.port.unwrap_or(LISTEN_PORT.into())\n    }\n}\n\nfn main() -\u003e std::io::Result\u003c()\u003e {\n    let config = Cli::parse();\n\n    let listener = TcpListener::bind(format!(\"{}:{}\", config.host(), config.port()))?;\n    println!(\"Listening to {}:{}\", LISTEN_HOST, LISTEN_PORT);\n\n    for stream in listener.incoming() {\n        match stream {\n            Ok(stream) =\u003e {\n                thread::spawn(|| handle_client(stream));\n            }\n            Err(e) =\u003e {\n                eprintln!(\"Connection Failed -\u003e {}\", e);\n            }\n        }\n    }\n\n    Ok(())\n}","traces":[{"line":24,"address":[1043280,1043451,1043425],"length":1,"stats":{"Line":0}},{"line":25,"address":[1043299,1043435],"length":1,"stats":{"Line":0}},{"line":27,"address":[1043472],"length":1,"stats":{"Line":0}},{"line":28,"address":[1043481],"length":1,"stats":{"Line":0}},{"line":32,"address":[1043536,1044630,1044664],"length":1,"stats":{"Line":0}},{"line":33,"address":[1043553],"length":1,"stats":{"Line":0}},{"line":35,"address":[1043571,1044644,1044030,1043615],"length":1,"stats":{"Line":0}},{"line":36,"address":[1044004,1044106],"length":1,"stats":{"Line":0}},{"line":38,"address":[1044222,1044335],"length":1,"stats":{"Line":0}},{"line":39,"address":[1044367],"length":1,"stats":{"Line":0}},{"line":40,"address":[1044405],"length":1,"stats":{"Line":0}},{"line":41,"address":[998757,998752],"length":1,"stats":{"Line":0}},{"line":43,"address":[1044434],"length":1,"stats":{"Line":0}},{"line":44,"address":[1044539,1044466],"length":1,"stats":{"Line":0}},{"line":49,"address":[1044314],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":15},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","client_handler.rs"],"content":"use std::io::{BufRead, BufReader};\nuse std::net::TcpStream;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse crate::telnet_utils::list_of_files_in_directory;\nuse std::io::Write;\nuse std::path::Path;\nuse gemma::constants::RESOURCES_ROOT;\nuse crate::constants::*;\n\nconst ERROR_CANT_NOTIFY: \u0026str = \"Unable to notify client\";\nconst MENU_TEXT: \u0026str = r#\"\n---------------------------\nstatus -\u003e Current status of the Instance\nnew -\u003e Start New Instance\n* list -\u003e list available files to load into Chip-8 Instance\n* load \u003cfilename\u003e -\u003e Load Chip-8 Program from server\nhelp -\u003e display this help\nstep -\u003e step chip-8 machine 1 step\n* steps \u003cnumber\u003e -\u003e Step a fixed number of steps\n* memory -\u003e dump current memory from chip-8 instance\n* video -\u003e dump current video from chip-8 instance\n* window \u003cstart\u003e \u003clength\u003e -\u003e display a window of memory\ndisconnect -\u003e close connection\n---------------------------\n\"#;\n\npub fn handle_client(mut stream: TcpStream) {\n    // each client gets their own instance of a Chip-8 system\n    let mut chip8 = Chip8ComputerManager::default();\n\n    let peer_addr = stream.peer_addr().unwrap();\n    println!(\"New CX From {}\", peer_addr);\n\n    let mut reader = BufReader::new(stream.try_clone().unwrap());\n    let mut line = String::new();\n\n    write!(stream, \"Welcome to Gemma Telnet Server\\n\").unwrap();\n    write!(stream, \"{}\", MENU_TEXT).unwrap();\n\n    let mut time_to_die: bool = false;\n\n    while !time_to_die {\n\n        // clear the buffer\n        line.clear();\n\n        // read from the client to the buffer\n        let bytes = reader.read_line(\u0026mut line).unwrap();\n        if bytes == 0 {\n            println!(\"Connection closed by {}\", peer_addr);\n            break;\n        }\n\n        // display the message received\n        eprint!(\"RX {}: {}\", peer_addr, line);\n\n        // split the line into \u003ccommand\u003e \u003cparam1\u003e \u003cparam2\u003e (if params exist)\n\n        let mut result = line.split(\" \");\n        let command = result.next().unwrap();\n        let p1 = result.next();\n        let p2 = result.next();\n\n        let mut message_to_send: String = \"Unrecognized Command\".to_string();\n\n        match command.trim() {\n            CMD_STATUS =\u003e {\n                message_to_send = chip8.status_as_string();\n            }\n            CMD_DISCONNECT =\u003e {\n                message_to_send = \"Disconnecting User\".to_string();\n                time_to_die = true;\n                break;\n            }\n            CMD_NEW =\u003e {\n                message_to_send = \"Starting new Chip-8 Instance\".to_string();\n                chip8.reset(QuirkMode::Chip8);\n            }\n            CMD_LIST =\u003e {\n                message_to_send =\n                    format!(\"Listing files in path: \\n{}\",\n                            list_of_files_in_directory(\n                                \u0026mut Path::new(\"/home/tmerritt/Projects/trevors_chip8_toy/resources/roms\".into())\n                            )\n                    );\n            }\n            CMD_LOAD =\u003e {\n                let file_to_use = p1.unwrap_or(\"default.ch8\").trim();\n                // chip8 = Chip8ComputerManager::from(chip8).load_new_program_to_system_memory()\n                message_to_send = format!(\"Preparing to load {} from disk.\",\n                                          file_to_use);\n                chip8.load_new_program_from_disk_to_system_memory(\n                    Path::new(format!(\"{}/roms/{}\", RESOURCES_ROOT, file_to_use).as_str())\n                );\n            }\n            CMD_HELP =\u003e {\n                message_to_send = MENU_TEXT.to_string();\n            }\n            CMD_STEPS =\u003e {\n                if chip8.core_should_run {\n                    let num_steps = p1.unwrap_or(\"0\").trim();\n                    message_to_send = format!(\"Advancing {} steps.\", num_steps);\n                    for _ in 0..num_steps.parse().unwrap_or(0) {\n                        chip8.tick();\n                    }\n                } else {\n                    message_to_send = \"Not Ready to Step\".to_string();\n                }\n            }\n            CMD_STEP =\u003e {\n                if chip8.core_should_run {\n                    message_to_send = \"Advancing 1 step.\".to_string();\n                    chip8.tick();\n                } else {\n                    message_to_send = \"Not Ready To Step\".to_string();\n                }\n            }\n            CMD_WINDOW =\u003e {\n                message_to_send = format!(\"Memory window from {} to {}\",\n                                          p1.unwrap_or(\"0x0000\").trim(),\n                                          p2.unwrap_or(\"0xFFFF\").trim());\n            }\n            _ =\u003e {}\n        }\n\n        write!(stream, \"{}\\n\", message_to_send).expect(ERROR_CANT_NOTIFY);\n\n        stream.flush().unwrap();\n    }\n}\n","traces":[{"line":28,"address":[2830416,2835337,2836568],"length":1,"stats":{"Line":0}},{"line":30,"address":[2830430],"length":1,"stats":{"Line":0}},{"line":32,"address":[2830493,2830561],"length":1,"stats":{"Line":0}},{"line":33,"address":[2830595],"length":1,"stats":{"Line":0}},{"line":35,"address":[2830691],"length":1,"stats":{"Line":0}},{"line":36,"address":[2830785],"length":1,"stats":{"Line":0}},{"line":38,"address":[2830903,2830836],"length":1,"stats":{"Line":0}},{"line":39,"address":[2830964],"length":1,"stats":{"Line":0}},{"line":41,"address":[2831101],"length":1,"stats":{"Line":0}},{"line":43,"address":[873885],"length":1,"stats":{"Line":0}},{"line":46,"address":[2831127],"length":1,"stats":{"Line":0}},{"line":49,"address":[873948],"length":1,"stats":{"Line":0}},{"line":50,"address":[2831257],"length":1,"stats":{"Line":0}},{"line":51,"address":[2831263,2831317],"length":1,"stats":{"Line":0}},{"line":56,"address":[2831290,2831391],"length":1,"stats":{"Line":0}},{"line":60,"address":[2831511],"length":1,"stats":{"Line":0}},{"line":61,"address":[2831582],"length":1,"stats":{"Line":0}},{"line":62,"address":[2831721],"length":1,"stats":{"Line":0}},{"line":63,"address":[2831810],"length":1,"stats":{"Line":0}},{"line":65,"address":[2831899],"length":1,"stats":{"Line":0}},{"line":67,"address":[2831946,2832029],"length":1,"stats":{"Line":0}},{"line":68,"address":[2832051,2836321],"length":1,"stats":{"Line":0}},{"line":69,"address":[2836179,2832132],"length":1,"stats":{"Line":0}},{"line":71,"address":[874862,874925],"length":1,"stats":{"Line":0}},{"line":72,"address":[2836023,2832217],"length":1,"stats":{"Line":0}},{"line":73,"address":[2836149],"length":1,"stats":{"Line":0}},{"line":76,"address":[2832258,2832191],"length":1,"stats":{"Line":0}},{"line":77,"address":[2835857,2832306],"length":1,"stats":{"Line":0}},{"line":78,"address":[2835983],"length":1,"stats":{"Line":0}},{"line":80,"address":[2832347,2835852,2832280],"length":1,"stats":{"Line":0}},{"line":81,"address":[2835804,2835710],"length":1,"stats":{"Line":0}},{"line":82,"address":[2835444],"length":1,"stats":{"Line":0}},{"line":83,"address":[2835425],"length":1,"stats":{"Line":0}},{"line":84,"address":[2832395,2835362],"length":1,"stats":{"Line":0}},{"line":88,"address":[2832369,2832451],"length":1,"stats":{"Line":0}},{"line":89,"address":[2832515,2834721],"length":1,"stats":{"Line":0}},{"line":91,"address":[877508,877729],"length":1,"stats":{"Line":0}},{"line":92,"address":[2834958],"length":1,"stats":{"Line":0}},{"line":93,"address":[2835296],"length":1,"stats":{"Line":0}},{"line":94,"address":[2835017,2835265],"length":1,"stats":{"Line":0}},{"line":97,"address":[877444,875316,875225],"length":1,"stats":{"Line":0}},{"line":98,"address":[2834558,2832612],"length":1,"stats":{"Line":0}},{"line":100,"address":[875338,875405],"length":1,"stats":{"Line":0}},{"line":101,"address":[2833999,2832701],"length":1,"stats":{"Line":0}},{"line":102,"address":[876772,876567],"length":1,"stats":{"Line":0}},{"line":103,"address":[2834069],"length":1,"stats":{"Line":0}},{"line":104,"address":[2834322],"length":1,"stats":{"Line":0}},{"line":105,"address":[2834537],"length":1,"stats":{"Line":0}},{"line":108,"address":[876609,876520],"length":1,"stats":{"Line":0}},{"line":111,"address":[2832675,2832727],"length":1,"stats":{"Line":0}},{"line":112,"address":[876365,875527],"length":1,"stats":{"Line":0}},{"line":113,"address":[2833618,2833437],"length":1,"stats":{"Line":0}},{"line":114,"address":[876496],"length":1,"stats":{"Line":0}},{"line":116,"address":[2833406,2833471],"length":1,"stats":{"Line":0}},{"line":119,"address":[2832801,2832749,2833401],"length":1,"stats":{"Line":0}},{"line":120,"address":[2833116,2832963,2833353],"length":1,"stats":{"Line":0}},{"line":121,"address":[2832853],"length":1,"stats":{"Line":0}},{"line":122,"address":[2833006,2833326],"length":1,"stats":{"Line":0}},{"line":127,"address":[2836326,2832807],"length":1,"stats":{"Line":0}},{"line":129,"address":[2836451],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":60},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","constants.rs"],"content":"pub const CMD_NEW: \u0026str = \"new\";\npub const CMD_LIST: \u0026str = \"list\";\npub const CMD_LOAD: \u0026str = \"load\";\npub const CMD_STATUS: \u0026str = \"status\";\npub const CMD_DISCONNECT: \u0026str = \"disconnect\";\npub const CMD_HELP: \u0026str = \"help\";\npub const CMD_STEPS: \u0026str = \"steps\";\npub const CMD_STEP: \u0026str = \"step\";\npub const CMD_WINDOW: \u0026str = \"window\";\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","lib.rs"],"content":"pub mod telnet_utils;\npub mod client_handler;\npub mod constants;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","telnet_utils.rs"],"content":"use std::fs;\nuse std::path::Path;\n\npub fn list_of_files_in_directory(root_directory: \u0026Path) -\u003e String {\n     let mut return_value = String::new();\n\n     if root_directory.is_dir() {\n          for entry in fs::read_dir(root_directory).unwrap() {\n               let entry = entry.unwrap();\n               let path = entry.path();\n               if path.is_file() {\n                    return_value = format!(\"{}\\n{}\", return_value, path.file_name().unwrap().to_string_lossy());\n               }\n          }\n     }\n     return_value\n}\n","traces":[{"line":4,"address":[2843760,2845074],"length":1,"stats":{"Line":0}},{"line":5,"address":[2843817],"length":1,"stats":{"Line":0}},{"line":7,"address":[2843838,2843907],"length":1,"stats":{"Line":0}},{"line":8,"address":[2844168,2844201,2843982],"length":1,"stats":{"Line":0}},{"line":9,"address":[2844249],"length":1,"stats":{"Line":0}},{"line":10,"address":[2844283],"length":1,"stats":{"Line":0}},{"line":11,"address":[2844362,2844430,2845047],"length":1,"stats":{"Line":0}},{"line":12,"address":[2844477],"length":1,"stats":{"Line":0}},{"line":16,"address":[2843923],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":9},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","tests","smoke.rs"],"content":"#[test]\nfn smoke() {\n    assert!(true)\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","bin2hex.rs"],"content":"use clap::{Arg, Command};\nuse std::fs::File;\nuse std::io;\nuse std::io::{BufReader, Read};\n\n#[derive(Debug)]\nstruct CliArgs {\n    input: String,\n}\n\nfn main() {\n    println!(\"Taxation is Theft!\");\n    // Set up the command line arguments\n    let matches = Command::new(\"my_program\")\n        .about(\"Processes an input file and outputs it with a specified bit width\")\n        .arg(\n            Arg::new(\"input\")\n                .help(\"The input file to process\")\n                .required(true)\n                .index(1),\n        )\n        .get_matches();\n\n    // Parse the command-line arguments\n    let args = CliArgs {\n        input: matches.get_one::\u003cString\u003e(\"input\").unwrap().to_string(),\n    };\n\n    // Use the parsed arguments\n    println!(\"Input file: {}\", args.input);\n\n    // behave like a shift register and load each character from the file 1 by 1.\n    let results = read_file_to_bools(\u0026args.input);\n    for result in results.unwrap().bytes() {\n        print!(\"0x{:02x}, \", result.unwrap());\n    }\n}\n\nfn read_file_to_bools(file_path: \u0026str) -\u003e io::Result\u003cVec\u003cu8\u003e\u003e {\n    // Open the file\n    let file = File::open(file_path)?;\n    let mut reader = BufReader::new(file);\n\n    let mut bytes = Vec::new();\n    reader.read_to_end(\u0026mut bytes)?;\n\n    let mut output = Vec::new();\n    let mut current_byte = 0u8;\n    let mut bit_index = 0;\n\n    for \u0026byte in \u0026bytes {\n        // Convert ASCII character '1' or '0' to boolean, skip any other characters\n        let bit = match byte {\n            b'1' =\u003e true,\n            b'0' =\u003e false,\n            _ =\u003e continue, // Skip non-'1' or '0' characters\n        };\n\n        // Set the appropriate bit in the current byte\n        if bit {\n            current_byte |= 1 \u003c\u003c (7 - bit_index); // Set the bit at the correct position\n        }\n\n        bit_index += 1;\n\n        // Once we have filled 8 bits, push the byte and reset\n        if bit_index == 8 {\n            output.push(current_byte);\n            current_byte = 0;\n            bit_index = 0;\n        }\n    }\n\n    // If there are remaining bits, push the last byte (it will be partially filled)\n    if bit_index \u003e 0 {\n        output.push(current_byte);\n    }\n\n    Ok(output)\n}\n","traces":[{"line":11,"address":[260800,259392],"length":1,"stats":{"Line":0}},{"line":12,"address":[259414],"length":1,"stats":{"Line":0}},{"line":14,"address":[259471,259720,259792],"length":1,"stats":{"Line":0}},{"line":17,"address":[259553,259625],"length":1,"stats":{"Line":0}},{"line":26,"address":[259882,259802],"length":1,"stats":{"Line":0}},{"line":30,"address":[259953,260020],"length":1,"stats":{"Line":0}},{"line":33,"address":[260097],"length":1,"stats":{"Line":0}},{"line":34,"address":[260139,260252,260389],"length":1,"stats":{"Line":0}},{"line":35,"address":[260472,260405],"length":1,"stats":{"Line":0}},{"line":39,"address":[260848,261950,262006],"length":1,"stats":{"Line":0}},{"line":41,"address":[260979,260881],"length":1,"stats":{"Line":0}},{"line":42,"address":[260947],"length":1,"stats":{"Line":0}},{"line":44,"address":[261058],"length":1,"stats":{"Line":0}},{"line":45,"address":[261280,261186,261118],"length":1,"stats":{"Line":0}},{"line":47,"address":[261268],"length":1,"stats":{"Line":0}},{"line":48,"address":[261313],"length":1,"stats":{"Line":0}},{"line":49,"address":[261321],"length":1,"stats":{"Line":0}},{"line":51,"address":[261340,261505,261411],"length":1,"stats":{"Line":0}},{"line":53,"address":[261526],"length":1,"stats":{"Line":0}},{"line":54,"address":[261701],"length":1,"stats":{"Line":0}},{"line":55,"address":[261711],"length":1,"stats":{"Line":0}},{"line":60,"address":[261828,261719],"length":1,"stats":{"Line":0}},{"line":61,"address":[261749,261830],"length":1,"stats":{"Line":0}},{"line":64,"address":[261852,261729,261874],"length":1,"stats":{"Line":0}},{"line":67,"address":[261945,261859],"length":1,"stats":{"Line":0}},{"line":68,"address":[261892],"length":1,"stats":{"Line":0}},{"line":69,"address":[261926],"length":1,"stats":{"Line":0}},{"line":70,"address":[261934],"length":1,"stats":{"Line":0}},{"line":75,"address":[261493],"length":1,"stats":{"Line":0}},{"line":76,"address":[261629],"length":1,"stats":{"Line":0}},{"line":79,"address":[261555],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":31},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","ch8asm.rs"],"content":"use gemma::chip8::util::InstructionUtil;\nuse gemma::chip8::{instructions::Chip8CpuInstructions, quirk_modes::QuirkMode};\nuse std::fs::{self, File};\nuse std::io::Write;\n// Ch8Asm\n// Converts well formed CH8ASM.\n// no variables.\n// no labels.\n// nothing fun.\n// VALID FORMAT\n// \u003cINSTRUCTION\u003e \u003c0x|0X\u003e\u003cparameter\u003e[, ][\u003c0x|OX\u003e\u003cparameter\u003e[, ][\u003c0x|OX\u003e\u003cparameter\u003e]][; comment]\nuse pest::Parser;\nuse pest_derive::Parser;\n#[derive(Parser)]\n#[grammar = \"chip8_asm.pest\"]\npub struct Chip8AsmParser;\n\nfn main() {\n    println!(\"Taxation is Theft\");\n\n    let unparsed = fs::read_to_string(\"resources/test/asm/gemma_disassembler_manual_document.asm8\")\n        .expect(\"Unable to read input\");\n\n    let file = Chip8AsmParser::parse(Rule::file, \u0026unparsed)\n        .expect(\"Unable to parse.  Try again.\")\n        .next()\n        .unwrap();\n\n    println!(\"PREPARING TO WRITE THE TARGET FILE...\");\n    let mut target_file = File::create(\"thisismytarget.ch8\").expect(\"Unable to create target\");\n\n    for record in file.into_inner() {\n        //  let mut working_instruction = Chip8CpuInstructions::XXXXERRORINSTRUCTION;\n        match record.as_rule() {\n            Rule::record =\u003e {\n                print!(\"record = {:?}\\t\", record.as_str());\n                let x = Chip8CpuInstructions::from_str(record.as_str());\n                println!(\"DECODED TO {:?} {:04x}\", x, x.encode());\n                let (low, high) = InstructionUtil::split_bytes(x.encode());\n                target_file\n                    .write_all(\u0026[high, low])\n                    .expect(\"Unable to write to the file.\");\n            }\n            _ =\u003e {}\n        }\n    }\n}\n","traces":[{"line":18,"address":[1066000,1067992,1068019],"length":1,"stats":{"Line":0}},{"line":19,"address":[1066007],"length":1,"stats":{"Line":0}},{"line":21,"address":[1066058],"length":1,"stats":{"Line":0}},{"line":24,"address":[1066135,1066220,1066348],"length":1,"stats":{"Line":0}},{"line":29,"address":[1066442],"length":1,"stats":{"Line":0}},{"line":30,"address":[1066487],"length":1,"stats":{"Line":0}},{"line":32,"address":[1066842,1066702,1066798,1066563],"length":1,"stats":{"Line":0}},{"line":34,"address":[1066898,1067002],"length":1,"stats":{"Line":0}},{"line":36,"address":[1067031,1067076],"length":1,"stats":{"Line":0}},{"line":37,"address":[1067196],"length":1,"stats":{"Line":0}},{"line":38,"address":[1067279],"length":1,"stats":{"Line":0}},{"line":39,"address":[1067836],"length":1,"stats":{"Line":0}},{"line":40,"address":[1067944],"length":1,"stats":{"Line":0}},{"line":41,"address":[1067909],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":14},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","ch8disasm.rs"],"content":"use std::path::Path;\nuse clap::{command, Parser};\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::XXXXERRORINSTRUCTION;\nuse gemma::chip8::quirk_modes::QuirkMode::Chip8;\n\n/// ch8disasm\n///\n/// Provide disassembled version of the CH8 file provided.\n#[derive(Parser)]\n#[command(version, about, long_about = None)]\nstruct DisassemblerApp {\n    #[arg(short)]\n    input_file: Box\u003cPath\u003e,\n    #[arg(short)]\n    output_file: Option\u003cBox\u003cPath\u003e\u003e,\n}\n\nstruct Disassembler {}\nimpl Disassembler {\n    pub fn disassemble(from_data: Vec\u003cu8\u003e) -\u003e String {\n        let mut working_instruction: u16 = 0x0000;\n\n        // read the input data and loop through it byte by byte.\n        let mut output_string = String::new();\n\n        for (offset, byte) in from_data.iter().enumerate() {\n            working_instruction = (working_instruction \u003c\u003c 8) | (*byte as u16);\n            if offset % 2 != 0 {\n                let decoded = Chip8CpuInstructions::decode(working_instruction, \u0026Chip8);\n                let decoded_string = decoded.to_string();\n                let mut current_parts = String::new();\n\n                match decoded {\n                    XXXXERRORINSTRUCTION =\u003e {\n                        current_parts = format!(\"DW 0x{:04x}\", working_instruction);\n                    }\n                    _ =\u003e {\n                        current_parts = format!(\"{}\", decoded);\n                    }\n                };\n\n                let target_length: i32 = 25;\n                let spacing_length = target_length.saturating_sub(current_parts.len() as i32);\n\n                // now add the rest after the string\n                let x = spacing_length as usize;\n                current_parts = format!(\"{}{:\u003cx$}; Bytes [0x{:04x}] offset [0x{:04x}]\\n\", current_parts, \" \", working_instruction, offset -1);\n                //   println!(\"SHOULD OUTPUT: [{current_parts}]\");\n                output_string = output_string.to_string() + \u0026*current_parts.to_string();\n\n                working_instruction = 0x0000;\n            }\n        }\n\n        output_string\n    }\n}\n\nfn main() {\n    println!(\"Taxation is Theft\");\n    let result = DisassemblerApp::parse();\n    println!(\"PREPARING TO DISASSEMBLE {:?}\", result.input_file.file_name());\n\n\n    let source_file = result.input_file.to_str().unwrap();\n    let decompiled_program = Disassembler::disassemble(\n        std::fs::read(source_file).unwrap()\n    );\n\n    match result.output_file {\n        None =\u003e {\n            println!(\"Output to console.\");\n            println!(\"OS: \\n\\n{}\", decompiled_program);\n        }\n        Some(target) =\u003e {\n            println!(\"Output to {:?}\", target);\n            std::fs::write(target, decompiled_program).unwrap();\n        }\n    }\n}","traces":[{"line":21,"address":[1010186,1006864],"length":1,"stats":{"Line":0}},{"line":22,"address":[1006906],"length":1,"stats":{"Line":0}},{"line":25,"address":[1006932],"length":1,"stats":{"Line":0}},{"line":27,"address":[1007075,1007357,1006991],"length":1,"stats":{"Line":0}},{"line":28,"address":[1007399],"length":1,"stats":{"Line":0}},{"line":29,"address":[1007445],"length":1,"stats":{"Line":0}},{"line":30,"address":[1007459],"length":1,"stats":{"Line":0}},{"line":31,"address":[1007530],"length":1,"stats":{"Line":0}},{"line":32,"address":[1007545],"length":1,"stats":{"Line":0}},{"line":34,"address":[1007596],"length":1,"stats":{"Line":0}},{"line":36,"address":[1007707,1007610],"length":1,"stats":{"Line":0}},{"line":38,"address":[1008436],"length":1,"stats":{"Line":0}},{"line":39,"address":[1007653,1008194],"length":1,"stats":{"Line":0}},{"line":43,"address":[1006895],"length":1,"stats":{"Line":0}},{"line":44,"address":[1008446,1008179],"length":1,"stats":{"Line":0}},{"line":47,"address":[1008475],"length":1,"stats":{"Line":0}},{"line":48,"address":[1008485],"length":1,"stats":{"Line":0}},{"line":50,"address":[1009755,1010145],"length":1,"stats":{"Line":0}},{"line":52,"address":[1010094],"length":1,"stats":{"Line":0}},{"line":56,"address":[1007300],"length":1,"stats":{"Line":0}},{"line":60,"address":[1011251,1011321,1010208],"length":1,"stats":{"Line":0}},{"line":61,"address":[1010215],"length":1,"stats":{"Line":0}},{"line":62,"address":[1010279],"length":1,"stats":{"Line":0}},{"line":63,"address":[1010375,1010297],"length":1,"stats":{"Line":0}},{"line":66,"address":[1010483],"length":1,"stats":{"Line":0}},{"line":68,"address":[1010582],"length":1,"stats":{"Line":0}},{"line":71,"address":[1010650],"length":1,"stats":{"Line":0}},{"line":73,"address":[1010820,1010679],"length":1,"stats":{"Line":0}},{"line":74,"address":[1010839],"length":1,"stats":{"Line":0}},{"line":76,"address":[1010705],"length":1,"stats":{"Line":0}},{"line":77,"address":[1010997,1010769],"length":1,"stats":{"Line":0}},{"line":78,"address":[1011066],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":32},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","tests","assmber_tests.rs"],"content":"","traces":[],"covered":0,"coverable":0}]};
+        var previousData = {"files":[{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","bin","speedtest.rs"],"content":"use gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::fs::File;\nuse std::io::Read;\nuse std::ops::Add;\nuse std::path::Path;\nuse std::time::{Duration, Instant};\n\nconst ROM_ROOT: \u0026str = \"resources/roms\";\n\nfn main() {\n    let mut x = Chip8ComputerManager::new();\n\n    let mut buffer = Vec::new();\n    let mut input_file =\n        File::open(Path::new(\u0026(ROM_ROOT.to_string() + \"/mandelbrot_bench.ch8\"))).expect(\"derp\");\n    input_file\n        .read_to_end(\u0026mut buffer)\n        .expect(\"unable to read file\");\n    x.load_new_program_to_system_memory((\u0026*buffer).into());\n\n    for _ in 0..10 {\n        let start_time = Instant::now();\n        let mut num_cycles = 0;\n        // how many instructions in 10s.\n        let end_time = start_time.add(Duration::from_secs(10));\n        while Instant::now().le(\u0026end_time) {\n            num_cycles += 1;\n            x.step();\n        }\n\n        let num = num_cycles\n            .to_string()\n            .as_bytes()\n            .rchunks(3)\n            .rev()\n            .map(std::str::from_utf8)\n            .collect::\u003cResult\u003cVec\u003c\u0026str\u003e, _\u003e\u003e()\n            .unwrap()\n            .join(\",\"); // separator\n\n        let num_ips = num_cycles / 1000000;\n        println!(\"Completed at {num_ips} Mips. ({num})\");\n    }\n}\n","traces":[{"line":11,"address":[254592,256682,256747],"length":1,"stats":{"Line":0}},{"line":12,"address":[254599],"length":1,"stats":{"Line":0}},{"line":14,"address":[254616],"length":1,"stats":{"Line":0}},{"line":15,"address":[254747,254679],"length":1,"stats":{"Line":0}},{"line":17,"address":[254999],"length":1,"stats":{"Line":0}},{"line":20,"address":[255084],"length":1,"stats":{"Line":0}},{"line":22,"address":[255184],"length":1,"stats":{"Line":0}},{"line":23,"address":[255415,255333],"length":1,"stats":{"Line":0}},{"line":24,"address":[255444],"length":1,"stats":{"Line":0}},{"line":26,"address":[255460],"length":1,"stats":{"Line":0}},{"line":27,"address":[255538],"length":1,"stats":{"Line":0}},{"line":28,"address":[256695,255642,256721],"length":1,"stats":{"Line":0}},{"line":29,"address":[256702,256742],"length":1,"stats":{"Line":0}},{"line":32,"address":[255635,256067,256134,255677,255768],"length":1,"stats":{"Line":0}},{"line":42,"address":[256281,256445],"length":1,"stats":{"Line":0}},{"line":43,"address":[256575],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":16},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","computer.rs"],"content":"use crate::chip8::delay_timer::DelayTimer;\nuse crate::chip8::keypad::Keypad;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8::sound_timer::SoundTimer;\nuse crate::chip8::stack::Chip8Stack;\nuse log::debug;\nuse serde::{Deserialize, Serialize};\nuse super::{\n    cpu_states::Chip8CpuStates, instructions::Chip8CpuInstructions,\n    system_memory::Chip8SystemMemory, video::Chip8Video,\n};\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8Computer {\n    pub num_cycles: i32,\n    pub memory: Chip8SystemMemory,\n    pub registers: Chip8Registers,\n    pub sound_timer: SoundTimer,\n    pub delay_timer: DelayTimer,\n    pub video_memory: Chip8Video,\n    pub state: Chip8CpuStates,\n    pub keypad: Keypad,\n    pub stack: Chip8Stack,\n    pub quirk_mode: QuirkMode,\n}\n\nimpl PartialEq for Chip8Computer {\n    fn eq(\u0026self, other: \u0026Self) -\u003e bool {\n        self.video_memory.format_as_string() == other.video_memory.format_as_string() \u0026\u0026\n            self.keypad.format_as_string() == other.keypad.format_as_string() \u0026\u0026\n            self.num_cycles == other.num_cycles \u0026\u0026\n            self.memory == other.memory\n    }\n}\n\nimpl Default for Chip8Computer {\n    fn default() -\u003e Self {\n        Self {\n            num_cycles: 0,\n            memory: Chip8SystemMemory::default(),\n            video_memory: Chip8Video::default(),\n            registers: Chip8Registers::default(),\n            sound_timer: SoundTimer::new(),\n            delay_timer: DelayTimer::new(),\n            state: Chip8CpuStates::default(),\n            keypad: Keypad::default(),\n            stack: Chip8Stack::default(),\n            quirk_mode: QuirkMode::default(),\n        }\n    }\n}\n\nimpl Chip8Computer {\n    pub fn reset(\u0026mut self, quirk_mode: QuirkMode) {\n        self.video_memory.reset();\n        self.num_cycles = 0;\n        self.registers.reset();\n        self.delay_timer.reset();\n        self.sound_timer.reset();\n        self.stack.reset();\n        self.memory.reset(quirk_mode);\n        self.quirk_mode = quirk_mode;\n    }\n\n    pub fn dump_keypad_to_string(\u0026self) -\u003e String {\n        self.keypad.format_as_string()\n    }\n\n    pub fn dump_registers_to_string(\u0026self) -\u003e String {\n        self.registers.format_as_string()\n    }\n\n    pub fn dump_video_to_string(\u0026self) -\u003e String {\n        self.clone().video_memory.format_as_string()\n    }\n\n    pub fn dump_state_to_json(\u0026self) -\u003e String {\n        serde_json::to_string(self).unwrap()\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8Computer::default()\n    }\n\n    pub fn load_bytes_to_memory(\u0026mut self, offset: u16, to_load: \u0026Vec\u003cu8\u003e) {\n        let total_len = to_load.len() as u16;\n        for current_index in 0..total_len {\n            let new_value = to_load[current_index as usize];\n            let new_location = current_index + offset;\n            self.memory.poke(new_location, new_value);\n        }\n        self.registers.set_pc(offset);\n    }\n\n\n    pub fn step_system(\u0026mut self) -\u003e \u0026mut Chip8Computer {\n        // println!(\"Stepping System 1 Step\");\n        // read the next instruction\n        let local_memory = \u0026self.memory;\n\n        //    let mut working_instruction: u16 = 0b0000000000000000;\n        let start_pc = self.registers.peek_pc();\n        let high_byte = (local_memory.peek(start_pc) as u16).rotate_left(8);\n        let low_byte = local_memory.peek(start_pc + 1) as u16;\n        let result = high_byte | low_byte;\n        let decoded_instruction = Chip8CpuInstructions::decode(result, \u0026self.quirk_mode);\n        // todo: THIS IS BAD AND IS A SIDE EFFECT\n        decoded_instruction.execute(self);\n\n        match self.state {\n            Chip8CpuStates::WaitingForInstruction =\u003e {\n                //     println!(\"Ticking sound, delay, video\");\n                self.sound_timer.tick();\n                self.delay_timer.tick();\n                self.video_memory.tick();\n                self.num_cycles += 1;\n            }\n            Chip8CpuStates::WaitingForKey =\u003e {\n                debug!(\"waiting for a key press...\");\n            }\n            _ =\u003e {}\n        }\n        self\n    }\n}\n","traces":[{"line":29,"address":[3509168,3509635],"length":1,"stats":{"Line":9}},{"line":32,"address":[681889],"length":1,"stats":{"Line":8}},{"line":33,"address":[729327],"length":1,"stats":{"Line":10}},{"line":34,"address":[1124424],"length":1,"stats":{"Line":10}},{"line":35,"address":[558462],"length":1,"stats":{"Line":3}},{"line":36,"address":[558477],"length":1,"stats":{"Line":10}},{"line":37,"address":[256864],"length":1,"stats":{"Line":4}},{"line":38,"address":[682060],"length":1,"stats":{"Line":10}},{"line":39,"address":[597467],"length":1,"stats":{"Line":4}},{"line":40,"address":[1538690],"length":1,"stats":{"Line":10}},{"line":46,"address":[729792],"length":1,"stats":{"Line":1}},{"line":47,"address":[1124845],"length":1,"stats":{"Line":1}},{"line":48,"address":[3509691],"length":1,"stats":{"Line":1}},{"line":49,"address":[597794],"length":1,"stats":{"Line":1}},{"line":50,"address":[682416],"length":1,"stats":{"Line":1}},{"line":51,"address":[1539038],"length":1,"stats":{"Line":1}},{"line":52,"address":[597836],"length":1,"stats":{"Line":1}},{"line":53,"address":[558906],"length":1,"stats":{"Line":1}},{"line":54,"address":[729892],"length":1,"stats":{"Line":1}},{"line":57,"address":[3509792],"length":1,"stats":{"Line":1}},{"line":58,"address":[808529],"length":1,"stats":{"Line":1}},{"line":61,"address":[682544],"length":1,"stats":{"Line":1}},{"line":62,"address":[597953],"length":1,"stats":{"Line":1}},{"line":65,"address":[559156,559040],"length":1,"stats":{"Line":2}},{"line":66,"address":[808637],"length":1,"stats":{"Line":2}},{"line":69,"address":[559184,559838],"length":1,"stats":{"Line":0}},{"line":70,"address":[730182],"length":1,"stats":{"Line":0}},{"line":72,"address":[257612,257913,257673],"length":1,"stats":{"Line":0}},{"line":73,"address":[1125661],"length":1,"stats":{"Line":0}},{"line":74,"address":[730639],"length":1,"stats":{"Line":0}},{"line":75,"address":[1539839,1539903],"length":1,"stats":{"Line":0}},{"line":76,"address":[559722],"length":1,"stats":{"Line":0}},{"line":77,"address":[1125784],"length":1,"stats":{"Line":0}},{"line":79,"address":[1539711],"length":1,"stats":{"Line":0}},{"line":81,"address":[1540032],"length":1,"stats":{"Line":8}},{"line":82,"address":[1125896],"length":1,"stats":{"Line":12}},{"line":85,"address":[730880],"length":1,"stats":{"Line":3}},{"line":86,"address":[809517],"length":1,"stats":{"Line":2}},{"line":87,"address":[598904,598990],"length":1,"stats":{"Line":5}},{"line":88,"address":[599005],"length":1,"stats":{"Line":2}},{"line":89,"address":[3511001,3510950],"length":1,"stats":{"Line":3}},{"line":90,"address":[1540296],"length":1,"stats":{"Line":2}},{"line":92,"address":[809591],"length":1,"stats":{"Line":3}},{"line":95,"address":[3511024],"length":1,"stats":{"Line":3}},{"line":96,"address":[1540356],"length":1,"stats":{"Line":4}},{"line":98,"address":[731206],"length":1,"stats":{"Line":3}},{"line":101,"address":[809806],"length":1,"stats":{"Line":4}},{"line":102,"address":[683881,683818],"length":1,"stats":{"Line":7}},{"line":103,"address":[258817,258639],"length":1,"stats":{"Line":3}},{"line":104,"address":[560403],"length":1,"stats":{"Line":4}},{"line":105,"address":[560419],"length":1,"stats":{"Line":3}},{"line":107,"address":[731431],"length":1,"stats":{"Line":3}},{"line":109,"address":[1126514],"length":1,"stats":{"Line":3}},{"line":110,"address":[3511563],"length":1,"stats":{"Line":4}},{"line":111,"address":[3511408],"length":1,"stats":{"Line":4}},{"line":112,"address":[1540760],"length":1,"stats":{"Line":3}},{"line":113,"address":[810183],"length":1,"stats":{"Line":4}},{"line":114,"address":[684182],"length":1,"stats":{"Line":3}},{"line":115,"address":[259003,258928,258995],"length":1,"stats":{"Line":7}},{"line":118,"address":[684213,684316],"length":1,"stats":{"Line":2}}],"covered":51,"coverable":60},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","computer_manager.rs"],"content":"use std::fs::File;\nuse std::io::{BufReader, Read};\nuse std::path::Path;\nuse crate::chip8::computer::Chip8Computer;\nuse crate::chip8::cpu_states::Chip8CpuStates;\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForInstruction;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse std::thread;\nuse std::thread::sleep;\nuse std::time::{Duration, Instant};\n\npub enum ManagerDumpables {\n    Video,\n    Registers,\n    Keyboard,\n}\n\npub struct Chip8ComputerManager {\n    pub core_should_run: bool,\n    one_step: bool,\n    core_last_cycle_start: Instant,\n    computer: Chip8Computer,\n}\n\nimpl Default for Chip8ComputerManager {\n    fn default() -\u003e Self {\n        Chip8ComputerManager {\n            core_should_run: false,\n            one_step: false,\n            core_last_cycle_start: Instant::now(),\n            computer: Chip8Computer::new(),\n        }\n    }\n}\n\nimpl Chip8ComputerManager {\n\n    /// Builds a string that can be displayed at a console giving the user\n    /// an idea of the internal state of the Chip-8 Computer\n    pub fn status_as_string(\u0026self) -\u003e String {\n        // build a string\n        format!(\"Should Run: {}\\nNum Cycles: {}\\nRegisters\\n{}\\nTimers: {}/{}\\nKeypad: \\n{}\\nVideo:\\n{}\",\n            self.core_should_run,\n            self.computer.num_cycles,\n            self.computer.registers.format_as_string(),\n            self.computer.delay_timer.current(),\n            self.computer.sound_timer.current(),\n            self.computer.keypad.format_as_string(),\n            self.computer.video_memory.format_as_string()\n        )\n    }\n\n    pub fn quirks_mode(\u0026self) -\u003e QuirkMode {\n        self.computer.quirk_mode.clone()\n    }\n\n    pub fn reset(\u0026mut self, mode: QuirkMode) {\n        self.one_step = false;\n        self.core_should_run = false;\n        self.computer.reset(mode);\n    }\n    pub fn new() -\u003e Chip8ComputerManager {\n        let _ = thread::spawn(move || loop {\n            let start_time = Instant::now();\n            let sleep_time = Instant::now().duration_since(start_time).as_millis();\n            sleep(Duration::from_millis((16 - sleep_time) as u64));\n        });\n\n        Chip8ComputerManager::default()\n    }\n\n    pub fn start(\u0026mut self) {\n        self.core_should_run = true;\n    }\n\n    pub fn stop(\u0026mut self) {\n        self.core_should_run = false\n    }\n\n    pub fn step(\u0026mut self) {\n        self.one_step = true;\n    }\n\n    pub fn state(\u0026mut self) -\u003e \u0026Chip8Computer {\n        \u0026self.computer\n    }\n\n    pub fn tick(\u0026mut self) -\u003e bool {\n        //   println!(\"STARTING TICK\");\n        let mut did_tick: bool = false;\n        if self.one_step | self.core_should_run {\n            if let WaitingForInstruction = self.computer.state {\n                self.core_last_cycle_start = Instant::now();\n                self.computer.step_system();\n                did_tick = true\n                //   println!(\"SYSTEM STEP\");\n            }\n        };\n        if self.one_step {\n            println!(\"SYSTEM HALTED AFTER 1 STEP\");\n            // stop the CPU for the next cycle, we are only\n            // wanting one step.\n            self.one_step = false;\n            did_tick = true;\n        }\n        did_tick\n    }\n\n    pub fn press_key(\u0026mut self, key_index: u8) {\n        self.computer.keypad.push_key(key_index);\n        if matches!(self.computer.state, Chip8CpuStates::WaitingForKey) {\n            self.computer.state = WaitingForInstruction\n        }\n    }\n    pub fn release_key(\u0026mut self, key_index: u8) {\n        self.computer.keypad.release_key(key_index);\n    }\n\n    pub fn sound(managed: \u0026Chip8ComputerManager) -\u003e bool {\n        managed.computer.sound_timer.current() \u003e 0\n    }\n\n    pub fn wait_for_instruction(\u0026mut self) {\n        self.computer.state = WaitingForInstruction;\n    }\n\n    pub fn is_key_pressed(\u0026self, key_index: u8) -\u003e bool {\n        self.computer.keypad.pressed(key_index)\n    }\n\n    pub fn num_cycles(\u0026self) -\u003e i32 {\n        self.computer.num_cycles\n    }\n\n    pub fn load_new_program_to_system_memory(\u0026mut self, bytes_to_load: Vec\u003cu8\u003e) {\n        self.reset(self.computer.quirk_mode.clone());\n        self.computer.load_bytes_to_memory(0x200, \u0026bytes_to_load);\n    }\n\n    pub fn dump_to_string(\u0026self, dump_type: ManagerDumpables) -\u003e String {\n        match dump_type {\n            ManagerDumpables::Video =\u003e self.computer.video_memory.format_as_string(),\n            ManagerDumpables::Registers =\u003e self.computer.registers.format_as_string(),\n            ManagerDumpables::Keyboard =\u003e self.computer.keypad.format_as_string(),\n        }\n    }\n\n    pub fn load_new_program_from_disk_to_system_memory(\u0026mut self, file_to_load: \u0026Path) {\n        // load the file into bytes...\n        let file = File::open(file_to_load).unwrap();\n        let mut reader = BufReader::new(file);\n        let mut chunks = Vec::new();\n\n        loop {\n            let mut buffer = vec![0u8; 1];\n            let bytes_read = reader.read(\u0026mut buffer).unwrap_or(0);\n            if bytes_read == 0 {\n                break;\n            }\n            buffer.truncate(bytes_read);\n            chunks.push(buffer[0]);\n        }\n\n        self.load_new_program_to_system_memory(chunks);\n        // ...then use the existing method\n        self.core_should_run = true;\n    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serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Default, Serialize, Deserialize, Debug)]\npub enum Chip8CpuStates {\n    #[default]\n    WaitingForInstruction,\n    WaitingForKey,\n    ExecutingInstruction,\n    Error,\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","delay_timer.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub struct DelayTimer {\n    counter: u8,\n}\n\nimpl Default for DelayTimer {\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}\n\nimpl DelayTimer {\n    pub fn current(\u0026self) -\u003e u8 {\n        self.counter\n    }\n\n    pub fn new() -\u003e Self {\n        DelayTimer { counter: 0xff }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.counter = 0xff;\n    }\n\n    pub fn set_timer(\u0026mut self, new_value: u8) {\n        self.counter = new_value\n    }\n\n    pub fn tick(\u0026mut self) {\n        if self.counter \u003e 0 {\n            self.counter -= 1;\n        }\n    }\n}\n","traces":[{"line":9,"address":[3512528],"length":1,"stats":{"Line":1}},{"line":10,"address":[600625],"length":1,"stats":{"Line":1}},{"line":15,"address":[1127680],"length":1,"stats":{"Line":1}},{"line":16,"address":[645509],"length":1,"stats":{"Line":1}},{"line":23,"address":[561696],"length":1,"stats":{"Line":1}},{"line":24,"address":[645541],"length":1,"stats":{"Line":1}},{"line":27,"address":[40268736],"length":1,"stats":{"Line":1}},{"line":28,"address":[3512604],"length":1,"stats":{"Line":1}},{"line":31,"address":[600704],"length":1,"stats":{"Line":3}},{"line":32,"address":[638807,638766],"length":1,"stats":{"Line":8}},{"line":33,"address":[240937,240909],"length":1,"stats":{"Line":3}}],"covered":11,"coverable":11},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","instructions.rs"],"content":"use crate::chip8::computer::Chip8Computer;\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForKey;\nuse crate::chip8::instructions::Chip8CpuInstructions::*;\nuse crate::chip8::quirk_modes::QuirkMode;\nuse crate::chip8::util::InstructionUtil;\nuse crate::constants::*;\nuse log::debug;\nuse rand::Rng;\nuse serde::{Deserialize, Serialize};\nuse std::fmt::{Debug, Display, Formatter};\nuse std::ops::BitAnd;\n\n/*\nnnn or addr - A 12-bit value, the lowest 12 bits of the instruction\nn or nibble - A 4-bit value, the lowest 4 bits of the instruction\nx - A 4-bit value, the lower 4 bits of the high byte of the instruction\ny - A 4-bit value, the upper 4 bits of the low byte of the instruction\nkk or byte - An 8-bit value, the lowest 8 bits of the instruction\n */\n\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub enum Chip8CpuInstructions {\n    /// 0nnn\n    /// Exit to System Call at nnn\n    SYS(u16),\n    /// 00E0\n    /// Clear the display.\n    CLS,\n    /// 00EE\n    /// Return from a subroutine.\n    ///\n    /// The interpreter sets the program counter to the address at the top of the stack,\n    /// then subtracts 1 from the stack pointer.\n    RET,\n    /// 1nnn\n    /// Jump to location nnn.\n    ///\n    /// The interpreter sets the program counter to nnn.\n    JPA(u16),\n    /// 2nnn\n    /// Call subroutine at nnn.\n    ///\n    /// The interpreter increments the stack pointer, then puts the current PC on the top\n    /// of the stack. The PC is then set to nnn.\n    CALL(u16),\n    /// 0x3xkk\n    /// Skip next instruction if Vx = kk.\n    ///\n    /// The interpreter compares register Vx to kk, and if they are equal, increments the\n    /// program counter by 2.\n    SEX(u8, u8),\n    /// 4xkk\n    /// Skip next instruction if Vx != kk.\n    ///\n    /// The interpreter compares register Vx to kk, and if they are not equal, increments\n    /// the program counter by 2.\n    SNEB(u8, u8),\n    /// 5xy0\n    /// Skip next instruction if Vx = Vy.\n    ///\n    /// The interpreter compares register Vx to register Vy, and if they are equal, increments\n    /// the program counter by 2.\n    SEY(u8, u8),\n    /// 6xkk\n    /// Set Vx = kk\n    LDR(u8, u8),\n    /// 7xkk\n    /// The interpreter puts the value kk into register Vx.\n    ADD(u8, u8),\n    /// 8xy0\n    /// Adds the value kk to the value of register Vx, then stores the result in Vx.\n    LDRY(u8, u8),\n    /// 8xy1\n    /// Stores the value of register Vy in register Vx.\n    OR(u8, u8),\n    /// 8xy2\n    /// Set Vx = Vx OR Vy.\n    ///\n    /// Performs a bitwise OR on the values of Vx and Vy, then stores the result in Vx.\n    /// A bitwise OR compares the corrseponding bits from two values, and if either\n    /// bit is 1, then the same bit in the result is also 1. Otherwise, it is 0.\n    AND(u8, u8),\n    /// 8xy3\n    /// Set Vx = Vx AND Vy.\n    ///\n    /// Performs a bitwise AND on the values of Vx and Vy, then stores the result in Vx.\n    /// A bitwise AND compares the corrseponding bits from two values, and if both bits\n    /// are 1, then the same bit in the result is also 1. Otherwise, it is 0.\n    ORY(u8, u8),\n    /// 8xy4\n    /// Set Vx = Vx XOR Vy.\n    ///\n    /// Performs a bitwise exclusive OR on the values of Vx and Vy, then stores the\n    /// result in Vx. An exclusive OR compares the corrseponding bits from two values,\n    /// and if the bits are not both the same, then the corresponding bit in the result\n    /// is set to 1. Otherwise, it is 0.\n    ADDR(u8, u8),\n    /// 8xy5\n    /// Set Vx = Vx + Vy, set VF = carry.\n    ///\n    /// The values of Vx and Vy are added together. If the result is greater than 8 bits\n    /// (i.e., \u003e 255,) VF is set to 1, otherwise 0. Only the lowest 8 bits of the result\n    /// are kept, and stored in Vx.\n    SUB(u8, u8),\n    /// 8xy6\n    /// Set Vx = Vx - Vy, set VF = NOT borrow.\n    ///\n    /// If Vx \u003e Vy, then VF is set to 1, otherwise 0. Then Vy is subtracted from Vx, and the\n    /// results stored in Vx.\n    SHR(u8, u8),\n    /// 8xy7\n    /// If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx\n    /// is divided by 2.\n    SUBC(u8, u8),\n    /// 8xye\n    /// Set Vx = Vy - Vx, set VF = NOT borrow.\n    //\n    /// If Vy \u003e Vx, then VF is set to 1, otherwise 0. Then Vx is subtracted from Vy, and the\n    /// results stored in Vx.\n    SHL(u8, u8),\n    /// 9xy0\n    /// Skip next instruction if Vx != Vy.\n    ///\n    /// The values of Vx and Vy are compared, and if they are not equal, the program\n    /// counter is increased by 2.\n    SNEY(u8, u8),\n    /// Annn\n    /// Set I = nnn.\n    ///\n    /// The value of register I is set to nnn\n    LDIA(u16),\n    /// Bnnn\n    /// Jump to location nnn + V0.\n    ///\n    /// The program counter is set to nnn plus the value of V0.\n    JPI(u16),\n    /// Cxkk\n    /// Set Vx = random byte AND kk.\n    ///\n    /// The interpreter generates a random number from 0 to 255, which is then\n    /// ANDed with the value kk. The results are stored in Vx. See instruction\n    /// 8xy2 for more information on AND.\n    RND(u8, u8),\n    /// Dxyn\n    /// Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision.\n    ///\n    /// In Chip-8,\n    ///\n    /// The interpreter reads n bytes from memory, starting at the address stored in I.\n    /// These bytes are then displayed as sprites on screen at coordinates (Vx, Vy).\n    /// Sprites are XORed onto the existing screen. If this causes any pixels to be erased,\n    /// VF is set to 1, otherwise it is set to 0. If the sprite is positioned so part of\n    /// it is outside the coordinates of the display, it wraps around to the opposite side\n    /// of the screen. See instruction 8xy3 for more information on XOR, and section 2.4,\n    /// Display, for more information on the Chip-8 screen and sprites.\n    ///\n    /// In SCHIP\n    ///\n    /// Show N-byte sprite from M(I) at Coords (VX,VY) VF = Collision.\n    /// If N=0 AND ExtendedMode, 16x16 sprite\n    DRW(u8, u8, u8),\n    /// Ex9E\n    /// Skip next instruction if key with the value of Vx is pressed.\n    ///\n    /// Checks the keyboard, and if the key corresponding to the value of Vx is currently\n    /// in the down position, PC is increased by 2.\n    SKP(u8),\n    /// ExA1\n    /// Skip next instruction if key with the value of Vx is not pressed.\n    ///\n    /// Checks the keyboard, and if the key corresponding to the value of Vx is currently in\n    /// the up position, PC is increased by 2.\n    /// On XO Chip, Skips 2 more bytes when the instruction is 4 bytes long\n    SKNP(u8),\n    /// Fx07\n    /// The value of DT is placed into Vx.\n    LDRD(u8),\n    /// Fx0A\n    /// Wait for a key press, store the value of the key in Vx.\n    ///\n    /// All execution stops until a key is pressed, then the value of that key is stored in Vx.\n    LDRK(u8),\n    /// Fx15\n    /// Set delay timer = Vx.\n    ///\n    /// DT is set equal to the value of Vx.\n    LDD(u8), // 0xFx15 Set Delay Timer\n    /// Fx18\n    /// Set sound timer = Vx.\n    ///\n    /// ST is set equal to the value of Vx.\n    LDIS(u8),\n    /// Fx1E - ADD I, Vx\n    /// Set I = I + Vx.\n    ///\n    /// The values of I and Vx are added, and the results are stored in I.\n    ADDI(u8),\n    /// Fx29 - LD F, Vx\n    /// Set I = location of sprite for digit Vx.\n    ///\n    /// The value of I is set to the location for the hexadecimal sprite\n    /// corresponding to the value of Vx. See section 2.4, Display, for\n    /// more information on the Chip-8 hexadecimal font.\n    LDFX(u8),\n    /// Fx33 - LD B, Vx\n    /// Store BCD representation of Vx in memory locations I, I+1, and I+2.\n    ///\n    /// The interpreter takes the decimal value of Vx, and places the hundreds\n    /// digit in memory at location in I, the tens digit at location I+1, and the\n    /// ones digit at location I+2.\n    BCD(u8),\n    /// Fx55 - LD [I], Vx\n    /// Store registers V0 through Vx in memory starting at location I.\n    ///\n    /// The interpreter copies the values of registers V0 through Vx into memory,\n    /// starting at the address in I.\n    LDIX(u8),\n    /// Fx65 - LD Vx, [I]\n    /// Read registers V0 through Vx from memory starting at location I.\n    ///\n    /// The interpreter reads values from memory starting at location I into registers\n    /// V0 through Vx.\n    LDRI(u8),\n    XXXXERRORINSTRUCTION,\n    // 00Dn - CHIP8 - SCHIP * XOCHIP\n    /* START OF SCHIP-8 */\n    /// 00CN - CHIP8 * SCHIP * XOCHIP\n    ///\n    /// Scrolll Display N Lines Down\n    SCD(u8),\n    /// 00FB\n    ///\n    /// Scroll 4 lines Right\n    SCR,\n    /// 00FC\n    ///\n    /// Scroll 4 lines Left\n    SCL,\n    /// 00FE\n    ///\n    /// Disable Extended Mode\n    LOW,\n    /// 00FF\n    ///\n    /// Enable Extended Mode\n    HIGH,\n    /// 00FD\n    ///\n    /// Exit App\n    EXIT,\n    /// FX30\n    ///\n    /// Point I to 10 yte font sprite for digit VX (0..9)\n    LDF2(u8),\n    /// FX75\n    ///\n    /// Store V0..VX in RPL user flags (X \u003c= 7\n    STR(u8),\n    /// FX85\n    ///\n    /// Load V0..VX from RPL user flags (X \u003c= 7)\n    LIDR(u8),\n    /// 0xBxNN\n    ///\n    /// Jump to Address XNN+Vx\n    JPX(u8, u16),\n    /// 0x00Cn\n    ///\n    /// scroll screen content down N pixel, in XO-CHIP only selected bit\n    /// planes are scrolled (Quirks are HP48 specific)\n    SCU(u8),\n    /// 0xNNNN\n    ///\n    /// data word\n    /// used for specifying data to be used in system memory\n    DW(u16),\n}\n\nimpl Chip8CpuInstructions {\n    pub fn name(\u0026self) -\u003e \u0026str {\n        match self {\n            ADDI(_) =\u003e INST_ADDI,\n            ADD(_, _) =\u003e INST_ADD,\n            ADDR(_, _) =\u003e INST_ADDR,\n            AND(_, _) =\u003e INST_AND,\n            CLS =\u003e INST_CLS,\n            CALL(_) =\u003e INST_CALL,\n            DRW(_, _, _) =\u003e INST_DRW,\n            EXIT =\u003e INST_EXIT,\n            JPA(_) =\u003e INST_JPA,\n            JPI(_) =\u003e INST_JPI,\n            BCD(_) =\u003e INST_BCD,\n            LDD(_) =\u003e INST_LDD,\n            LDFX(_) =\u003e INST_LDF,\n            LDF2(_) =\u003e INST_LDF2,\n            LDIA(_) =\u003e INST_LDIA,\n            LDIX(_) =\u003e INST_LDIX,\n            LIDR(_) =\u003e INST_LIDR,\n            LDIS(_) =\u003e INST_LDIS,\n            LDR(_, _) =\u003e INST_LDR,\n            LDRD(_) =\u003e INST_LDRD,\n            LDRI(_) =\u003e INST_LDRI,\n            LDRK(_) =\u003e INST_LDRK,\n            LDRY(_, _) =\u003e INST_LDRY,\n            OR(_, _) =\u003e INST_OR,\n            RET =\u003e INST_RET,\n            RND(_, _) =\u003e INST_RND,\n            SCD(_) =\u003e INST_SCD,\n            SCL =\u003e INST_SCL,\n            SCR =\u003e INST_SCR,\n            SEX(_, _) =\u003e INST_SEX,\n            SEY(_, _) =\u003e INST_SEY,\n            SHL(_, _) =\u003e INST_SHL,\n            SHR(_, _) =\u003e INST_SHR,\n            SKP(_) =\u003e INST_SKP,\n            SNEB(_, _) =\u003e INST_SNEB,\n            SNEY(_, _) =\u003e INST_SNEY,\n            SKNP(_) =\u003e INST_SKNP,\n            STR(_) =\u003e INST_STR,\n            SUB(_, _) =\u003e INST_SUB,\n            SUBC(_, _) =\u003e INST_SUBC,\n            SYS(_) =\u003e INST_SYS,\n            LOW =\u003e INST_LOW,\n            HIGH =\u003e INST_HIGH,\n            ORY(_, _) =\u003e INST_ORY,\n            JPX(_, _) =\u003e INST_JPX,\n            XXXXERRORINSTRUCTION =\u003e \"XX ERROR XX\",\n            SCU(_) =\u003e INST_SCU,\n            DW(_) =\u003e INST_DW,\n        }\n    }\n\n    pub fn operands(\u0026self) -\u003e String {\n        match self {\n            JPX(x, addr) =\u003e {\n                let addr_for_display = (*x as u16) \u003c\u003c 8 | *addr;\n                format!(\"0x{x:02x}, 0x{addr_for_display:04x}\")\n            }\n            Chip8CpuInstructions::DW(addr)\n            | Chip8CpuInstructions::SYS(addr)\n            | Chip8CpuInstructions::JPI(addr)\n            | Chip8CpuInstructions::JPA(addr)\n            | Chip8CpuInstructions::LDIA(addr)\n            | Chip8CpuInstructions::CALL(addr) =\u003e {\n                format!(\"0x{addr:04x}\")\n            }\n            Chip8CpuInstructions::SEX(x, byte)\n            | Chip8CpuInstructions::SNEB(x, byte)\n            | Chip8CpuInstructions::LDR(x, byte)\n            | Chip8CpuInstructions::RND(x, byte)\n            | Chip8CpuInstructions::ADD(x, byte) =\u003e {\n                format!(\"0x{x:02x}, 0x{byte:02x}\")\n            }\n            // Reg, Reg\n            SEY(x, y)\n            | Chip8CpuInstructions::LDRY(x, y)\n            | Chip8CpuInstructions::OR(x, y)\n            | Chip8CpuInstructions::AND(x, y)\n            | Chip8CpuInstructions::ORY(x, y)\n            | Chip8CpuInstructions::ADDR(x, y)\n            | Chip8CpuInstructions::SUB(x, y)\n            | Chip8CpuInstructions::SHR(x, y)\n            | Chip8CpuInstructions::SUBC(x, y)\n            | Chip8CpuInstructions::SHL(x, y)\n            | Chip8CpuInstructions::SNEY(x, y) =\u003e {\n                format!(\"0x{x:01x}, 0x{y:01x}\")\n            }\n            // Reg, Reg, Nibble\n            Chip8CpuInstructions::DRW(x, y, nibble) =\u003e {\n                format!(\"0x{x:02x}, 0x{y:02x}, 0x{nibble:02x}\")\n            }\n            // Registers.  0-F\n            Chip8CpuInstructions::SCU(x)\n            | Chip8CpuInstructions::LDD(x)\n            | Chip8CpuInstructions::LDIS(x)\n            | Chip8CpuInstructions::ADDI(x)\n            | Chip8CpuInstructions::LDFX(x)\n            | Chip8CpuInstructions::BCD(x)\n            | Chip8CpuInstructions::LDIX(x)\n            | Chip8CpuInstructions::LDRD(x)\n            | Chip8CpuInstructions::LDRK(x)\n            | Chip8CpuInstructions::LDRI(x)\n            | Chip8CpuInstructions::LDF2(x)\n            | Chip8CpuInstructions::STR(x)\n            | Chip8CpuInstructions::LIDR(x)\n            | Chip8CpuInstructions::SCD(x)\n            | Chip8CpuInstructions::SKNP(x)\n            | Chip8CpuInstructions::SKP(x) =\u003e {\n                format!(\"0x{x:02x}\")\n            }\n            Chip8CpuInstructions::EXIT\n            | Chip8CpuInstructions::HIGH\n            | Chip8CpuInstructions::LOW\n            | Chip8CpuInstructions::SCL\n            | Chip8CpuInstructions::XXXXERRORINSTRUCTION\n            | Chip8CpuInstructions::SCR\n            | Chip8CpuInstructions::CLS\n            | Chip8CpuInstructions::RET =\u003e String::new(),\n        }\n    }\n}\n\nimpl Display for Chip8CpuInstructions {\n    fn fmt(\u0026self, f: \u0026mut Formatter\u003c'_\u003e) -\u003e std::fmt::Result {\n        let ops = self.operands();\n        let space = if ops.is_empty() { \"\" } else { \" \" };\n        write!(f, \"{}{}{}\", self.name(), space, ops)\n    }\n}\n\nimpl Chip8CpuInstructions {\n    pub fn from_str(input: \u0026str) -\u003e Chip8CpuInstructions {\n\n        // split the instruction into its parts...\n        let mut parts = input.split(\" \");\n\n        let first_part = parts.next().unwrap_or(\"\").to_ascii_uppercase();\n        // take the next value...\n        // ...strip off the extra...\n        // ...convert it to an integer from base 16\n        let param1 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        let param2 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        let param3 = u16::from_str_radix(\n            parts\n                .next()\n                .unwrap_or(\"0\")\n                .to_ascii_lowercase()\n                .trim_start_matches(\"0x\")\n                .trim_end_matches(\",\"),\n            16,\n        )\n        .unwrap_or(0);\n        println!(\n            \"\\tFirst part is {:?} / {:?} / {:?} / {:?}\",\n            first_part, param1, param2, param3\n        );\n        println!(\"MATCHING [[{}]]\", first_part);\n        match first_part.as_str() {\n            INST_ADDI =\u003e ADDI(param1 as u8),\n            INST_ADD =\u003e ADD(param1 as u8, param2 as u8),\n            INST_CLS =\u003e CLS,\n            INST_DRW =\u003e DRW(param1 as u8, param2 as u8, param3 as u8),\n            INST_CALL =\u003e CALL(param1),\n            INST_SYS =\u003e SYS(param1),\n            INST_RET =\u003e RET,\n            INST_JPA =\u003e JPA(param1),\n            INST_JPI =\u003e JPI(param1),\n            INST_SEX =\u003e SEX(param1 as u8, param2 as u8),\n            INST_SNEB =\u003e SNEB(param1 as u8, param2 as u8),\n            INST_SCD =\u003e SCD(param1 as u8),\n            INST_STR =\u003e STR(param1 as u8),\n            INST_SCL =\u003e SCL,\n            INST_EXIT =\u003e EXIT,\n            INST_LOW =\u003e LOW,\n            INST_HIGH =\u003e HIGH,\n            INST_SEY =\u003e SEY(param1 as u8, param2 as u8),\n            INST_LDRY =\u003e LDRY(param1 as u8, param2 as u8),\n            INST_LDR =\u003e LDR(param1 as u8, param2 as u8),\n            INST_OR =\u003e OR(param1 as u8, param2 as u8),\n            INST_AND =\u003e AND(param1 as u8, param2 as u8),\n            INST_ORY =\u003e ORY(param1 as u8, param2 as u8),\n            INST_ADDR =\u003e ADDR(param1 as u8, param2 as u8),\n            INST_SUB =\u003e SUB(param1 as u8, param2 as u8),\n            INST_SHR =\u003e SHR(param1 as u8, param2 as u8),\n            INST_SHL =\u003e SHL(param1 as u8, param2 as u8),\n            INST_SUBC =\u003e SUBC(param1 as u8, param2 as u8),\n            INST_SNEY =\u003e SNEY(param1 as u8, param2 as u8),\n            INST_LDIA =\u003e LDIA(param1),\n            INST_RND =\u003e RND(param1 as u8, param2 as u8),\n            INST_SKP =\u003e SKP(param1 as u8),\n            INST_SKNP =\u003e SKNP(param1 as u8),\n            INST_LDRD =\u003e LDRD(param1 as u8),\n            INST_LDRK =\u003e LDRK(param1 as u8),\n            INST_LDRI =\u003e LDRI(param1 as u8),\n            INST_BCD =\u003e BCD(param1 as u8),\n            INST_LDF =\u003e LDFX(param1 as u8),\n            INST_LDF2 =\u003e LDF2(param1 as u8),\n            INST_LDIX =\u003e LDIX(param1 as u8),\n            INST_LIDR =\u003e LIDR(param1 as u8),\n            INST_LDIS =\u003e LDIS(param1 as u8),\n            INST_LDD =\u003e LDD(param1 as u8),\n            INST_JPX =\u003e JPX(param1 as u8, param2),\n            INST_DW =\u003e DW(param1 as u16),\n            _ =\u003e XXXXERRORINSTRUCTION,\n        }\n    }\n\n    pub fn encode(\u0026self) -\u003e u16 {\n        match self {\n            SYS(target) =\u003e target \u0026 0x0FFF,\n            CLS =\u003e 0x00E0,\n            RET =\u003e 0x00EE,\n            JPA(new_addr) =\u003e 0x1000 | (new_addr \u0026 0x0FFF),\n            CALL(address) =\u003e 0x2000 | (address \u0026 0x0FFF),\n            SEX(vx_register, byte) =\u003e {\n                0x3000 | ((*vx_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            SNEB(vx_register, byte) =\u003e {\n                0x4000 | ((*vx_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::SEY(x_register, y_register) =\u003e {\n                0x5000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::LDR(x_register, byte) =\u003e {\n                0x6000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::ADD(x_register, byte) =\u003e {\n                0x7000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::LDRY(x_register, y_register) =\u003e {\n                0x8000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::OR(x_register, y_register) =\u003e {\n                0x8001 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::AND(x_register, y_register) =\u003e {\n                0x8002 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::ORY(x_register, y_register) =\u003e {\n                0x8003 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::ADDR(x_register, y_register) =\u003e {\n                0x8004 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SUB(x_register, y_register) =\u003e {\n                0x8005 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SHR(x_register, y_register) =\u003e {\n                0x8006 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SUBC(x_register, y_register) =\u003e {\n                0x8007 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SHL(x_register, y_register) =\u003e {\n                0x800E | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::SNEY(x_register, y_register) =\u003e {\n                0x9000 | ((*x_register as u16) \u003c\u003c 8) | ((*y_register as u16) \u003c\u003c 4)\n            }\n            Chip8CpuInstructions::LDIA(addr) =\u003e 0xA000 | addr,\n            Chip8CpuInstructions::JPI(addr) =\u003e 0xB000 | addr,\n            JPX(x_register, addr) =\u003e (0xb000 | (*x_register as u16) \u003c\u003c 8) | *addr,\n            Chip8CpuInstructions::RND(x_register, byte) =\u003e {\n                0xC000 | ((*x_register as u16) \u003c\u003c 8) | (*byte as u16)\n            }\n            Chip8CpuInstructions::DRW(x_register, y_register, height) =\u003e {\n                0xD000\n                    | ((*x_register as u16) \u003c\u003c 8)\n                    | ((*y_register as u16) \u003c\u003c 4)\n                    | (*height as u16)\n            }\n            Chip8CpuInstructions::SKP(x_register) =\u003e 0xE09E | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::SKNP(x_register) =\u003e 0xE0A1 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRD(x_register) =\u003e 0xF007 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRK(x_register) =\u003e 0xF00A | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDD(x_register) =\u003e 0xF015 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDIS(x_register) =\u003e 0xF018 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::ADDI(x_register) =\u003e 0xF01E | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDFX(x_register) =\u003e 0xF029 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::BCD(x_register) =\u003e 0xF033 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDIX(x_register) =\u003e 0xF055 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LDRI(x_register) =\u003e 0xF065 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::SCD(x_register) =\u003e 0x00C0 | (*x_register as u16),\n            Chip8CpuInstructions::SCR =\u003e 0x00FB,\n            Chip8CpuInstructions::SCL =\u003e 0x00FC,\n            Chip8CpuInstructions::LOW =\u003e 0x00FE,\n            Chip8CpuInstructions::HIGH =\u003e 0x00FF,\n            Chip8CpuInstructions::EXIT =\u003e 0x00FD,\n            Chip8CpuInstructions::LDF2(x_register) =\u003e 0xF030 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::STR(x_register) =\u003e 0xF075 | ((*x_register as u16) \u003c\u003c 8),\n            Chip8CpuInstructions::LIDR(x_register) =\u003e 0xF085 | ((*x_register as u16) \u003c\u003c 8),\n            SCU(x_register) =\u003e 0x00D0 | (*x_register as u16),\n            DW(address) =\u003e *address as u16,\n            XXXXERRORINSTRUCTION =\u003e XXXXERRORINSTRUCTION_ENCODED,\n        }\n    }\n    pub fn decode(input: u16, quirk_mode: \u0026QuirkMode) -\u003e Chip8CpuInstructions {\n        let x_param = InstructionUtil::read_x_from_instruction(input);\n        let y_param = InstructionUtil::read_y_from_instruction(input);\n        let addr_param = InstructionUtil::read_addr_from_instruction(input);\n        let byte_param = InstructionUtil::read_byte_from_instruction(input);\n        let nibble_param = InstructionUtil::read_nibble_from_instruction(input);\n        let ubln = InstructionUtil::read_upper_byte_lower_nibble(input);\n        let last_byte = (input \u0026 0xFF) as u8;\n        let last_nibble = (input \u0026 0xF) as u8;\n\n        match input {\n            0x00C0..=0x00CF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip =\u003e SCD(last_nibble),\n                QuirkMode::SChipModern =\u003e SCD(last_nibble),\n            },\n            0x00E0 =\u003e Chip8CpuInstructions::CLS,\n            0x00EE =\u003e Chip8CpuInstructions::RET,\n            0x00FB =\u003e {\n                match quirk_mode {\n                    QuirkMode::Chip8 =\u003e {\n                        // does not exist on Chip8\n                        XXXXERRORINSTRUCTION\n                    }\n                    QuirkMode::XOChip =\u003e Chip8CpuInstructions::SCR,\n                    QuirkMode::SChipModern =\u003e Chip8CpuInstructions::SCR,\n                }\n            }\n            0x00FC =\u003e Chip8CpuInstructions::SCL,\n            0x00FD =\u003e Chip8CpuInstructions::EXIT,\n            0x00FE =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e LOW,\n            },\n            0x00FF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e XXXXERRORINSTRUCTION,\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e HIGH,\n            },\n            0x0000..=0x0FFF =\u003e match quirk_mode {\n                QuirkMode::Chip8 =\u003e Chip8CpuInstructions::SYS(addr_param),\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e XXXXERRORINSTRUCTION,\n            },\n            0x1000..=0x1FFF =\u003e JPA(addr_param),\n            0x2000..=0x2FFF =\u003e CALL(addr_param),\n            0x3000..=0x3FFF =\u003e SEX(x_param, byte_param),\n            0x4000..=0x4FFF =\u003e SNEB(x_param, byte_param),\n            0x5000..=0x5FF0 if input \u0026 0x01 == 0 =\u003e SEY(x_param, y_param),\n            0x6000..=0x6FFF =\u003e LDR(x_param, byte_param),\n            0x7000..=0x7FFF =\u003e ADD(x_param, byte_param),\n            0x8000..=0x8FFE =\u003e match last_nibble {\n                0x0 =\u003e Chip8CpuInstructions::LDRY(x_param, y_param),\n                0x1 =\u003e Chip8CpuInstructions::OR(x_param, y_param),\n                0x2 =\u003e Chip8CpuInstructions::AND(x_param, y_param),\n                0x3 =\u003e Chip8CpuInstructions::ORY(x_param, y_param),\n                0x4 =\u003e Chip8CpuInstructions::ADDR(x_param, y_param),\n                0x5 =\u003e Chip8CpuInstructions::SUB(x_param, y_param),\n                0x6 =\u003e Chip8CpuInstructions::SHR(x_param, y_param),\n                0x7 =\u003e Chip8CpuInstructions::SUBC(x_param, y_param),\n                0xE =\u003e Chip8CpuInstructions::SHL(x_param, y_param),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            0x9000..=0x9FF0 if input \u0026 0x01 == 0 =\u003e Chip8CpuInstructions::SNEY(x_param, y_param),\n            0xA000..=0xAFFF =\u003e Chip8CpuInstructions::LDIA(addr_param),\n            0xB000..=0xBFFF =\u003e Chip8CpuInstructions::JPI(addr_param),\n            0xC000..=0xCFFF =\u003e Chip8CpuInstructions::RND(x_param, byte_param),\n            0xD000..=0xDFFF =\u003e Chip8CpuInstructions::DRW(x_param, y_param, nibble_param),\n            0xE09E..=0xEFA1 =\u003e match last_byte {\n                0x9E =\u003e Chip8CpuInstructions::SKP(ubln),\n                0xA1 =\u003e Chip8CpuInstructions::SKNP(ubln),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            0xF007..=0xFF65 =\u003e match last_byte {\n                0x07 =\u003e Chip8CpuInstructions::LDRD(ubln),\n                0x0A =\u003e Chip8CpuInstructions::LDRK(ubln),\n                0x15 =\u003e Chip8CpuInstructions::LDD(ubln),\n                0x18 =\u003e Chip8CpuInstructions::LDIS(ubln),\n                0x1E =\u003e Chip8CpuInstructions::ADDI(ubln),\n                0x29 =\u003e Chip8CpuInstructions::LDFX(ubln),\n                0x30 =\u003e Chip8CpuInstructions::LDF2(ubln),\n                0x33 =\u003e Chip8CpuInstructions::BCD(ubln),\n                0x55 =\u003e Chip8CpuInstructions::LDIX(ubln),\n                0x65 =\u003e Chip8CpuInstructions::LDRI(ubln),\n                0x75 =\u003e Chip8CpuInstructions::STR(ubln),\n                0x85 =\u003e Chip8CpuInstructions::LIDR(ubln),\n                _ =\u003e XXXXERRORINSTRUCTION,\n            },\n            _ =\u003e DW(addr_param),\n        }\n    }\n    pub fn execute(\u0026self, input: \u0026mut Chip8Computer) -\u003e Chip8Computer {\n        //        print!(\"INSTRUCTION {}\", self);\n        // let start_time = Instant::now();\n        let start_pc = input.registers.peek_pc();\n        input.registers.poke_pc(start_pc + 2);\n        match self {\n            // 0x0nnn Exit to System Call\n            Chip8CpuInstructions::SYS(new_address) =\u003e {\n                input.registers.poke_pc(*new_address);\n            }\n            // * 0x00E0 Clear Screen\n            Chip8CpuInstructions::CLS =\u003e {\n                input.video_memory.cls();\n            }\n            // 0x00EE Return from Subroutine\n            Chip8CpuInstructions::RET =\u003e {\n                input.registers.poke_pc(input.stack.pop());\n            }\n            // 0x1nnn Jump to Address\n            Chip8CpuInstructions::JPA(new_address) =\u003e {\n                input.registers.poke_pc(*new_address);\n            }\n            // 0x2nnn Call Subroutine\n            Chip8CpuInstructions::CALL(new_address) =\u003e {\n                let return_address = input.registers.peek_pc();\n                input.registers.poke_pc(*new_address);\n                input.stack.push(\u0026return_address);\n            }\n            // 0x3xkk Skip next instruction if Vx = kk.\n            Chip8CpuInstructions::SEX(vx_register, byte) =\u003e {\n                if input.registers.peek(*vx_register) == { *byte } {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x4xkk Skip next instruction if Vx != kk\n            Chip8CpuInstructions::SNEB(x, byte) =\u003e {\n                // 4xkk - SNE Vx, byte\n                // Skip next instruction if Vx != kk.\n                //\n                // The interpreter compares register Vx to kk, and if they are not equal,\n                // increments the program counter by 2.\n                if input.registers.peek(*x) != *byte {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x5xy0 Skip next instruction if Vx == Vy\n            Chip8CpuInstructions::SEY(x, y) =\u003e {\n                if input.registers.peek(*x) == input.registers.peek(*y) {\n                    input.registers.advance_pc();\n                }\n            }\n            // 0x6xkk Set Vx = kk\n            Chip8CpuInstructions::LDR(register, byte) =\u003e {\n                input.registers.poke(*register, *byte);\n            }\n            // 0x7xkk Set Vx = Vx + kk\n            Chip8CpuInstructions::ADD(vx_register, byte) =\u003e {\n                input.registers.poke(\n                    *vx_register,\n                    (input.registers.peek(*vx_register) as u16 + *byte as u16) as u8,\n                );\n            }\n            // 0x8xy0 Set value of Vy in Vx\n            Chip8CpuInstructions::LDRY(x, y) =\u003e {\n                input.registers.poke(*x, input.registers.peek(*y));\n            }\n            // 0x8xy1 Set Vx = Vx OR Vy\n            Chip8CpuInstructions::OR(x, y) =\u003e {\n                // shift them to 16 bit\n                let working_16_x = input.registers.peek(*x) as u16;\n                let working_16_y = input.registers.peek(*y) as u16;\n                // OR them\n                let working_16_or = working_16_x | working_16_y;\n                // shift them back to 8 bit.\n                input.registers.poke(*x, working_16_or as u8);\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                debug!(\"OrVxVy [0x{x:1x}] [0x{y:1x}]\")\n            }\n            // 0x8xy2 Set Vx = Vx AND Vy\n            AND(x, y) =\u003e {\n                let lhs_16 = input.registers.peek(*x) as u16;\n                let rhs_16 = input.registers.peek(*y) as u16;\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                input.registers.poke(*x, (lhs_16 \u0026 rhs_16) as u8);\n            }\n            // 0x8xy3 Set Vx = Vx XOR Vy\n            ORY(x, y) =\u003e {\n                let lhs_16 = input.registers.peek(*x) as u16;\n                let rhs_16 = input.registers.peek(*y) as u16;\n                // reset of VF quirk\n                input.registers.poke(0x0f, 0x00);\n                input.registers.poke(*x, (lhs_16 ^ rhs_16) as u8);\n            }\n            // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n            ADDR(x, y) =\u003e {\n                let lhs = input.registers.peek(*x) as i16;\n                let rhs = input.registers.peek(*y) as i16;\n                let working = lhs + rhs;\n                input.registers.poke(*x, working as u8);\n\n                if working \u003e= 0x100 {\n                    input.registers.poke(0xf, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            SUB(x, y) =\u003e {\n                // 8xy5 - SUB Vx, Vy\n                // Set Vx = Vx - Vy, set VF = NOT borrow.\n                //\n                // If Vx \u003e Vy, then VF is set to 1, otherwise 0. Then Vy is subtracted from Vx, and the results stored in Vx.\n\n                let lhs = input.registers.peek(*x);\n                let rhs = input.registers.peek(*y);\n\n                let result;\n\n                let borrow_flag: u8 = if rhs \u003e lhs {\n                    result = (lhs as u16 + 0x100) - rhs as u16;\n                    0\n                } else {\n                    result = lhs as u16 - rhs as u16;\n                    1\n                };\n\n                input.registers.poke(*x, result as u8);\n                input.registers.poke(0x0f, borrow_flag);\n            }\n            Chip8CpuInstructions::SHR(x, _) =\u003e {\n                // 8xy6 - SHR Vx {, Vy}\n                // Set Vx = Vx SHR 1.\n                // SHIFT 1 Bit ----\u003e\n                // If the least-significant bit of Vx is 1, then VF is set to 1, otherwise 0. Then Vx is divided by 2.\n                let initial_value = input.registers.peek(*x);\n\n                // overflow check\n                let rotated = initial_value \u003e\u003e 1;\n                input.registers.poke(*x, rotated);\n                if initial_value.bitand(0b1) == 1 {\n                    input.registers.poke(0x0f, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            Chip8CpuInstructions::SUBC(x, y) =\u003e {\n                // 8xy7 - SUBN Vx, Vy\n                // Set Vx = Vy - Vx, set VF = NOT borrow.\n                //\n                // If Vy \u003e Vx, then VF is set to 1, otherwise 0. Then Vx is subtracted from Vy, and the results stored in Vx.\n                let y_register = input.registers.peek(*y);\n                let x_register = input.registers.peek(*x);\n\n                let (new_value, value_to_poke) = if y_register \u003c x_register {\n                    (0, (y_register as u16 + 256) - x_register as u16)\n                } else {\n                    (1, (y_register - x_register) as u16)\n                };\n                input.registers.poke(*x, value_to_poke as u8);\n                input.registers.poke(0xf, new_value);\n            }\n\n            Chip8CpuInstructions::SHL(x, _) =\u003e {\n                // 8xyE - SHL Vx {, Vy}\n                // Set Vx = Vx SHL 1.\n                //\n                // If the most-significant bit of Vx is 1, then VF is set to 1, otherwise to 0. Then Vx is multiplied by 2.\n                let initial_value = input.registers.peek(*x);\n\n                // overflow check\n                let rotated = initial_value \u003c\u003c 1;\n                input.registers.poke(*x, rotated);\n                if initial_value.bitand(0b10000000) == 0b10000000 {\n                    input.registers.poke(0x0f, 0x01);\n                } else {\n                    input.registers.poke(0x0f, 0x00);\n                }\n            }\n            Chip8CpuInstructions::SNEY(vx_register, vy_register) =\u003e {\n                // 9xy0 - SNE Vx, Vy\n                // Skip next instruction if Vx != Vy.\n                //\n                // The values of Vx and Vy are compared, and if they are not equal, the program counter is increased by 2.\n\n                let x_reg_value = input.registers.peek(*vx_register);\n                let y_reg_value = input.registers.peek(*vy_register);\n                if x_reg_value != y_reg_value {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::LDIA(new_index) =\u003e {\n                // Annn - LD I, addr\n                // Set I = nnn.\n                //\n                // The value of register I is set to nnn.\n                //  debug!(\"LdiAddr [0x{new_index:3x}]\");\n                input.registers.poke_i(*new_index);\n            }\n            // 0xBnnn Jump to nnn+V0\n            Chip8CpuInstructions::JPI(addr) =\u003e {\n                // Bnnn - JP V0, addr\n                // Jump to location nnn + V0.\n                //\n                // The program counter is set to nnn plus the value of V0.\n                input\n                    .registers\n                    .poke_pc(input.registers.peek(0) as u16 + addr);\n            }\n            // 0xBxnn Jump to Xnn+Vx\n            JPX(vx_register, addr) =\u003e {\n                let x_reg_value: u16 = input.registers.peek(*vx_register) as u16;\n                let shifted_x_reg = x_reg_value \u003c\u003c 8;\n                let added_addr = shifted_x_reg | addr;\n                let final_addr = added_addr + shifted_x_reg;\n                println!(\"JPX -\u003e {x_reg_value:02x} {shifted_x_reg:04x} {added_addr:04x} {final_addr:04x}\");\n                input.registers.poke_i(final_addr);\n            }\n            Chip8CpuInstructions::RND(x, byte) =\u003e {\n                // Cxkk - RND Vx, byte\n                // Set Vx = random byte AND kk.\n                //\n                // The interpreter generates a random number from 0 to 255,\n                // which is then ANDed with the value kk.\n                // The results are stored in Vx.\n                let mut rng = rand::rng();\n                let new_value: u8 = rng.random();\n                let and_value: u8 = *byte;\n                let result = new_value \u0026 and_value;\n                debug!(\"RANDOM: [{new_value:02x}] AND: [{and_value:02x} Result: [{result:02x}]\");\n                input.registers.poke(*x, new_value \u0026 { *byte })\n            }\n            Chip8CpuInstructions::DRW(y, x, n) =\u003e {\n                // Display n-byte sprite starting at memory location I at (Vx, Vy), set VF = collision.\n\n                // The interpreter reads n bytes from memory, starting at the address stored in I.\n\n                // These bytes are then displayed as sprites on screen at coordinates (Vx, Vy).\n                // Sprites are XORed onto the existing screen.\n                // If this causes any pixels to be erased, VF is set to 1,\n                //     otherwise it is set to 0.\n                // If the sprite is positioned so part of it is outside the coordinates of the display,\n                //     it wraps around to the opposite side of the screen.\n\n                let source_memory_offset = input.registers.peek_i();\n                let x_offset = input.registers.peek(*x) as u16;\n                let y_offset = input.registers.peek(*y) as u16;\n                if input.video_memory.is_highres() {\n                    // if n == 0 we have a 16 row sprite (font maybe)\n                    let actual_num_loops = if *n == 0u8 { 16 } else { *n };\n                    for byte_index in 0..actual_num_loops {\n                        let current_byte =\n                            input.memory.peek(byte_index as u16 + source_memory_offset);\n                        let next_byte = input\n                            .memory\n                            .peek(byte_index as u16 + 1u16 + source_memory_offset);\n                        let x_offset = (x_offset + byte_index as u16) * 64;\n                        for bit_index in 0..8 {\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16),\n                                (current_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16) + 8,\n                                (next_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                        }\n                    }\n                } else {\n                    for byte_index in 0..*n {\n                        let current_byte =\n                            input.memory.peek(byte_index as u16 + source_memory_offset);\n                        let x_offset: u16 = (x_offset + byte_index as u16) * 64;\n                        for bit_index in 0..8 {\n                            input.video_memory.poke(\n                                x_offset + (y_offset + bit_index as u16),\n                                (current_byte \u0026 (0x80 \u003e\u003e bit_index)) != 0,\n                            );\n                        }\n                    }\n                }\n\n                let target = if input.video_memory.has_frame_changed {\n                    1u8\n                } else {\n                    0u8\n                };\n\n                input.registers.poke(0xf, target);\n            }\n            Chip8CpuInstructions::SKP(x) =\u003e {\n                // Ex9E - SKP Vx\n                // Skip next instruction if key with the value of Vx is pressed.\n                //\n                // Checks the keyboard, and if the key corresponding to the value of Vx is currently in the down position, PC is increased by 2.\n                let key_to_check = input.registers.peek(*x);\n                let is_pressed = input.keypad.pressed(key_to_check);\n                if is_pressed {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::SKNP(x) =\u003e {\n                // ExA1 - SKNP Vx\n                // Skip next instruction if key with the value of Vx is not pressed.\n                //\n\n                // Checks the keyboard,\n                // and if the key corresponding to the value of Vx is currently in the up position,\n                // PC is increased by 2.\n                let target_key = input.registers.peek(*x);\n                let is_pressed = input.keypad.pressed(target_key);\n                debug!(\"SnKpVx [{x:1x}]\");\n                if !is_pressed {\n                    input.registers.advance_pc();\n                }\n            }\n            Chip8CpuInstructions::LDRD(x) =\u003e {\n                // Fx07 - LD Vx, DT\n                // Set Vx = delay timer value.\n                //\n                // The value of DT is placed into Vx.\n                let value_to_set = input.delay_timer.current();\n                input.registers.poke(*x, value_to_set);\n            }\n            Chip8CpuInstructions::LDRK(_) =\u003e {\n                // Fx0A - LD Vx, K\n                // Wait for a key press, store the value of the key in Vx.\n                //\n                // All execution stops until a key is pressed, then the value of that key is stored in Vx.\n                input.state = WaitingForKey;\n            }\n            Chip8CpuInstructions::LDD(source_register) =\u003e {\n                // Fx15 - LD DT, Vx\n                // Set delay timer = Vx.\n                //\n                // DT is set equal to the value of Vx.\n                let new_time = input.registers.peek(*source_register);\n                input.delay_timer.set_timer(new_time);\n            }\n            Chip8CpuInstructions::LDIS(new_time) =\u003e {\n                let new_value = input.registers.peek(*new_time);\n                input.sound_timer.set_timer(new_value);\n            }\n            Chip8CpuInstructions::ADDI(x) =\u003e {\n                // Fx1E - ADD I, Vx\n                // Set I = I + Vx.\n                //\n                // The values of I and Vx are added, and the results are stored in I.\n                let base = input.registers.peek_i();\n                let x_value = input.registers.peek(*x);\n                input.registers.poke_i(base + x_value as u16);\n            }\n            Chip8CpuInstructions::LDFX(x) =\u003e {\n                // Fx29 - LD F, Vx\n                // Set I = location of sprite for digit Vx.\n                //\n                // The value of I is set to the location for the hexadecimal sprite corresponding\n                // to the value of Vx. See section 2.4, Display, for more information on\n                // the Chip-8 hexadecimal font.\n\n                let x_value: u8 = input.registers.peek(*x);\n\n                let real_offset = x_value as u16 * 5;\n                input.registers.poke_i(real_offset);\n            }\n            Chip8CpuInstructions::BCD(x) =\u003e {\n                // Fx33 - LD B, Vx\n                // Store BCD representation of Vx in memory locations I, I+1, and I+2.\n                //\n                // The interpreter takes the decimal value of Vx, and places the hundreds\n                // digit in memory at location in I, the tens digit at location I+1,\n                // and the ones digit at location I+2.\n\n                let to_convert = input.registers.peek(*x);\n\n                // how many hundreds\n                let hundreds = to_convert / 100;\n                // how many tens, minus the hundreds\n                let tens = (to_convert / 10) - (hundreds * 10);\n                // whats the leftover when dividing by 10\n                let units = to_convert % 10;\n\n                // write them to the memory pointed to by I, I+1, and I+2\n                let target_start_offset = input.registers.peek_i();\n                input.memory.poke(target_start_offset, hundreds);\n                input.memory.poke(target_start_offset + 1, tens);\n                input.memory.poke(target_start_offset + 2, units);\n            }\n            Chip8CpuInstructions::LDIX(x) =\u003e {\n                // Store registers V0 through Vx in memory starting at location I.\n                //\n                // The interpreter copi=es the values of registers V0 through Vx into memory,\n                // starting at the address in I.\n                let offset = input.registers.peek_i();\n                for i in 0..=*x {\n                    input\n                        .memory\n                        .poke(offset + i as u16, input.registers.peek(i));\n                }\n                input.registers.poke_i(offset + 1);\n            }\n            Chip8CpuInstructions::LDRI(x) =\u003e {\n                // Read registers V0 through Vx from memory starting at location I.\n                //\n                // The interpreter reads values from memory starting at location I into registers V0 through Vx.\n                let offset = input.registers.peek_i();\n                debug!(\"STARTING TO READ AT {offset:03x}\");\n                let num_loops = x + 1;\n                debug!(\"WILL READ {num_loops:x} BYTES\");\n                for index in 0..num_loops {\n                    let src_value = input.memory.peek(index as u16 + offset);\n                    input.registers.poke(index, src_value);\n                    debug!(\"POKING Register 0x{index:02x} with 0x{src_value:04x} using offset 0x{offset:04x}\");\n                }\n                input.registers.poke_i(offset + 1);\n            }\n            Chip8CpuInstructions::XXXXERRORINSTRUCTION =\u003e {}\n            // SCHIP1.1\n            Chip8CpuInstructions::SCD(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCD in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_down(*x as i32);\n                }\n            },\n            // SCHIP 1.1\n            Chip8CpuInstructions::SCR =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCR in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_right();\n                }\n            },\n            // SCHIP 1.1\n            Chip8CpuInstructions::SCL =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"Attempt to execute SCL in Chip8 Mode\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.scroll_left();\n                }\n            },\n            // SCHIP 1.0\n            Chip8CpuInstructions::LOW =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO SET LOWRES IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.set_lowres();\n                }\n            },\n            // SCHIP 1.0\n            Chip8CpuInstructions::HIGH =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO SET HIGHRES IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    input.video_memory.set_highres();\n                }\n            },\n            Chip8CpuInstructions::EXIT =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO EXIT FROM CHIP8 INTERPRETER\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"EXIT INTERPRETER\");\n                }\n            },\n            Chip8CpuInstructions::LDF2(x) =\u003e {\n                match input.quirk_mode {\n                    QuirkMode::Chip8 =\u003e {\n                        debug!(\"ATTEMPT TO LDF2 IN CHIP8MODE\");\n                    }\n                    QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                        println!(\"POINTING TO FONT AT {x:02x}\");\n                        // base = 0x100 + 0x0A*X\n                        input.registers.poke_i(0x100 + (0xA * x) as u16);\n                    }\n                }\n            }\n            Chip8CpuInstructions::STR(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO STORE RPL IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"STORING FROM RPL FOR {x}\");\n                }\n            },\n            Chip8CpuInstructions::LIDR(x) =\u003e match input.quirk_mode {\n                QuirkMode::Chip8 =\u003e {\n                    debug!(\"ATTEMPT TO LOAD RPL IN CHIP8MODE\");\n                }\n                QuirkMode::XOChip | QuirkMode::SChipModern =\u003e {\n                    println!(\"LOADING FROM RPL FOR {x}\");\n                }\n            },\n            SCU(x) =\u003e {\n                println!(\"SCROLL SCREEN UP {x} ROWS\");\n                match input.quirk_mode {\n                    QuirkMode::Chip8 | QuirkMode::SChipModern =\u003e {\n                        debug!(\"Attempt to run SCU outside XO mode\");\n                    }\n                    QuirkMode::XOChip =\u003e {\n                        input.video_memory.scroll_up(x);\n                    }\n                }\n            }\n            DW(_) =\u003e {\n                println!(\"DATA WORD FOUND...\");\n            }\n        };\n        // let cycle_time = Instant::now().duration_since(start_time).as_nanos();\n        //        println!(\"\\t\\tTook {cycle_time}ms\");\n        input.to_owned()\n    }\n\n    pub fn from_string(input: \u0026str) -\u003e Chip8CpuInstructions {\n        let parts = input.split(\" \");\n        println!(\"Parts -\u003e {:?}\", parts);\n\n        Chip8CpuInstructions::XXXXERRORINSTRUCTION\n    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println!(\"PREPARE TO RETURN {}\", return_value);\n        return_value\n    }\n}\n\nimpl Keypad {\n    pub fn push_key(\u0026mut self, key_index: u8) {\n        self.keys[key_index as usize] = true;\n    }\n\n    pub fn release_key(\u0026mut self, key_index: u8) {\n        self.keys[key_index as usize] = false;\n    }\n\n    pub fn key_state(\u0026self, key_index: u8) -\u003e bool {\n        self.keys[key_index as usize]\n    }\n\n    pub fn new() -\u003e Keypad {\n        Keypad::default()\n    }\n\n    pub fn pressed(\u0026self, key: u8) -\u003e bool {\n        self.key_state(key)\n    }\n    pub fn released(\u0026self, key: u8) -\u003e bool {\n        !self.key_state(key)\n    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crate pretty_env_logger;\n\nuse log::warn;\nuse serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub struct SoundTimer {\n    counter: u8,\n}\n\nimpl Default for SoundTimer {\n    fn default() -\u003e Self {\n        Self::new()\n    }\n}\n\nimpl SoundTimer {\n    pub fn current(\u0026self) -\u003e u8 {\n        self.counter\n    }\n    pub fn new() -\u003e Self {\n        SoundTimer { counter: 0 }\n    }\n    pub fn set_timer(\u0026mut self, new_value: u8) {\n        warn!(\"SETTING SOUND TIMER TO {new_value}\");\n        self.counter = new_value\n    }\n\n    pub fn tick(\u0026mut self) {\n        warn!(\n            \"TICKING SOUND FROM {} to {}\",\n            self.counter,\n            self.counter - 1\n        );\n        if self.counter \u003e 0 {\n            self.counter -= 1;\n        }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.counter = 0x00;\n    }\n}\n","traces":[{"line":10,"address":[40274704],"length":1,"stats":{"Line":1}},{"line":11,"address":[568001],"length":1,"stats":{"Line":1}},{"line":16,"address":[330448],"length":1,"stats":{"Line":1}},{"line":17,"address":[568021],"length":1,"stats":{"Line":1}},{"line":22,"address":[774672],"length":1,"stats":{"Line":1}},{"line":23,"address":[1502134,1502256,1502056],"length":1,"stats":{"Line":2}},{"line":24,"address":[330540],"length":1,"stats":{"Line":1}},{"line":27,"address":[645120],"length":1,"stats":{"Line":4}},{"line":28,"address":[1502420,1502751,1502498],"length":1,"stats":{"Line":5}},{"line":33,"address":[645700,645176],"length":1,"stats":{"Line":4}},{"line":34,"address":[645702,645676],"length":1,"stats":{"Line":1}},{"line":45,"address":[1503008],"length":1,"stats":{"Line":1}},{"line":46,"address":[1130789],"length":1,"stats":{"Line":1}}],"covered":13,"coverable":13},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","stack.rs"],"content":"use serde::{Deserialize, Serialize};\n\n#[derive(Clone, Default, Serialize, Deserialize, Debug)]\npub struct Chip8Stack {\n    items: Vec\u003cu16\u003e,\n}\n\nimpl Chip8Stack {\n    pub fn push(\u0026mut self, new_value: \u0026u16) {\n        if self.depth() == 16 {\n            // println!(\"Deep deep stack?\");\n            panic!(\"Stack Overflow\");\n        }\n        self.items.push(*new_value);\n    }\n    pub fn pop(\u0026mut self) -\u003e u16 {\n        if self.items.is_empty() {\n            panic!(\"Stack Underflow\");\n        }\n        self.items.pop().unwrap()\n    }\n    pub fn depth(\u0026self) -\u003e u16 {\n        self.items.len() as u16\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8Stack { items: vec![] }\n    }\n\n    pub fn reset(\u0026mut self) {\n        self.items = vec![]\n    }\n}\n","traces":[{"line":9,"address":[607024],"length":1,"stats":{"Line":4}},{"line":10,"address":[643992],"length":1,"stats":{"Line":4}},{"line":12,"address":[1501284],"length":1,"stats":{"Line":1}},{"line":14,"address":[773979],"length":1,"stats":{"Line":2}},{"line":16,"address":[644080],"length":1,"stats":{"Line":2}},{"line":17,"address":[652190],"length":1,"stats":{"Line":2}},{"line":18,"address":[1501447],"length":1,"stats":{"Line":1}},{"line":20,"address":[1501389],"length":1,"stats":{"Line":3}},{"line":22,"address":[607280],"length":1,"stats":{"Line":5}},{"line":23,"address":[260485],"length":1,"stats":{"Line":5}},{"line":26,"address":[652336],"length":1,"stats":{"Line":4}},{"line":27,"address":[260509],"length":1,"stats":{"Line":4}},{"line":30,"address":[567663,567600],"length":1,"stats":{"Line":1}},{"line":31,"address":[3514365,3514285],"length":1,"stats":{"Line":2}}],"covered":14,"coverable":14},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","system_memory.rs"],"content":"use log::trace;\n\nuse crate::constants::*;\nuse serde::Deserialize;\nuse serde::Serialize;\n\nuse super::quirk_modes::QuirkMode;\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8SystemMemory {\n    memory: Vec\u003cu8\u003e,\n}\n\nimpl PartialEq for Chip8SystemMemory {\n    fn eq(\u0026self, other: \u0026Self) -\u003e bool {\n        self.memory == other.memory\n    }\n}\n\nimpl Default for Chip8SystemMemory {\n    fn default() -\u003e Self {\n        let mut x = Chip8SystemMemory::new();\n\n        x.load_fonts_to_memory();\n        x.load_schip_fonts_to_memory();\n        x\n    }\n}\n\nimpl Chip8SystemMemory {\n    fn empty_memory() -\u003e Vec\u003cu8\u003e {\n        let mut working_memory = vec![];\n\n        for _ in 0..CHIP8_MEMORY_SIZE {\n            working_memory.push(0x00);\n        }\n        working_memory\n    }\n\n    pub fn reset(\u0026mut self, quirk_modes: QuirkMode) {\n        self.memory = Chip8SystemMemory::empty_memory();\n        match quirk_modes {\n            QuirkMode::Chip8 =\u003e {\n                self.load_fonts_to_memory();\n            }\n            QuirkMode::XOChip =\u003e {\n                println!(\"NO XO FONT LOADING DONE YET\");\n            }\n            QuirkMode::SChipModern =\u003e {\n                self.load_schip_fonts_to_memory();\n            }\n        }\n    }\n\n    pub fn new() -\u003e Self {\n        Chip8SystemMemory {\n            memory: Chip8SystemMemory::empty_memory(),\n        }\n    }\n\n    pub fn peek(\u0026self, address: u16) -\u003e u8 {\n        trace!(\n            \"PEEK: {} / {}\",\n            address,\n            self.memory[address as usize].clone()\n        );\n        let effective = address as i32 % CHIP8_MEMORY_SIZE;\n        self.memory[effective as usize]\n    }\n\n    pub fn poke(\u0026mut self, address: u16, value: u8) {\n        trace!(\n            \"POKE: {} / {} to {}\",\n            address,\n            self.memory[address as usize],\n            value\n        );\n        self.memory[address as usize] = value;\n    }\n\n    pub fn load_program(\u0026mut self, program_to_load: Box\u003cVec\u003cu8\u003e\u003e) {\n        for load_index in 0..program_to_load.len() {\n            self.poke((load_index + 0x200) as u16, program_to_load[load_index]);\n        }\n    }\n\n    pub fn load_fonts_to_memory(\u0026mut self) {\n        let all_font_characters = [\n            CHIP8FONT_0,\n            CHIP8FONT_1,\n            CHIP8FONT_2,\n            CHIP8FONT_3,\n            CHIP8FONT_4,\n            CHIP8FONT_5,\n            CHIP8FONT_6,\n            CHIP8FONT_7,\n            CHIP8FONT_8,\n            CHIP8FONT_9,\n            CHIP8FONT_A,\n            CHIP8FONT_B,\n            CHIP8FONT_C,\n            CHIP8FONT_D,\n            CHIP8FONT_E,\n            CHIP8FONT_F,\n        ];\n\n        for (font_index, current_font) in all_font_characters.iter().enumerate() {\n            for font_mem_offset in 0..=4 {\n                let real_offset = font_index * 5 + font_mem_offset;\n                self.poke(real_offset as u16, current_font[font_mem_offset]);\n            }\n        }\n    }\n\n    pub fn load_schip_fonts_to_memory(\u0026mut self) {\n        let all_font_characters = [\n            SCHIPFONT_0,\n            SCHIPFONT_1,\n            SCHIPFONT_2,\n            SCHIPFONT_3,\n            SCHIPFONT_4,\n            SCHIPFONT_5,\n            SCHIPFONT_6,\n            SCHIPFONT_7,\n            SCHIPFONT_8,\n            SCHIPFONT_9,\n            SCHIPFONT_A,\n            SCHIPFONT_B,\n            SCHIPFONT_C,\n            SCHIPFONT_D,\n            SCHIPFONT_E,\n            SCHIPFONT_F,\n        ];\n        for (font_index, current_font) in all_font_characters.iter().enumerate() {\n            let base_offset = SCHIPFONT_OFFSET;\n            for font_mem_offset in 0..=9 {\n                let real_offset = base_offset + (font_index * 0x0a) as u32 + font_mem_offset;\n                self.poke(real_offset as u16, current_font[font_mem_offset as usize]);\n            }\n        }\n    }\n}\n","traces":[{"line":13,"address":[1496256,1496394],"length":1,"stats":{"Line":10}},{"line":14,"address":[638990],"length":1,"stats":{"Line":8}},{"line":16,"address":[562310],"length":1,"stats":{"Line":9}},{"line":17,"address":[562353],"length":1,"stats":{"Line":3}},{"line":18,"address":[40269083],"length":1,"stats":{"Line":3}},{"line":22,"address":[769270,769056],"length":1,"stats":{"Line":10}},{"line":23,"address":[647246],"length":1,"stats":{"Line":8}},{"line":25,"address":[40269233,40269164],"length":1,"stats":{"Line":17}},{"line":26,"address":[1496610],"length":1,"stats":{"Line":10}},{"line":28,"address":[639299],"length":1,"stats":{"Line":3}},{"line":31,"address":[562731,562672],"length":1,"stats":{"Line":1}},{"line":32,"address":[647561,647490],"length":1,"stats":{"Line":2}},{"line":33,"address":[3463075],"length":1,"stats":{"Line":1}},{"line":34,"address":[769421],"length":1,"stats":{"Line":1}},{"line":37,"address":[647616],"length":1,"stats":{"Line":9}},{"line":39,"address":[348781],"length":1,"stats":{"Line":8}},{"line":43,"address":[40269584],"length":1,"stats":{"Line":4}},{"line":44,"address":[1497113],"length":1,"stats":{"Line":5}},{"line":49,"address":[3463782,3463741,3463227],"length":1,"stats":{"Line":7}},{"line":50,"address":[603180],"length":1,"stats":{"Line":3}},{"line":53,"address":[640224],"length":1,"stats":{"Line":3}},{"line":54,"address":[3463940,3464280,3463842],"length":1,"stats":{"Line":7}},{"line":60,"address":[40270294],"length":1,"stats":{"Line":10}},{"line":63,"address":[641253,640912],"length":1,"stats":{"Line":0}},{"line":64,"address":[3464518,3464585,3464703],"length":1,"stats":{"Line":0}},{"line":65,"address":[3464721],"length":1,"stats":{"Line":0}},{"line":69,"address":[3464864],"length":1,"stats":{"Line":3}},{"line":70,"address":[641300],"length":1,"stats":{"Line":10}},{"line":89,"address":[351039,350873],"length":1,"stats":{"Line":12}},{"line":90,"address":[1089453],"length":1,"stats":{"Line":3}},{"line":91,"address":[40272107,40272017],"length":1,"stats":{"Line":10}},{"line":92,"address":[351369,351325],"length":1,"stats":{"Line":13}},{"line":97,"address":[772112],"length":1,"stats":{"Line":10}},{"line":98,"address":[40272221],"length":1,"stats":{"Line":10}},{"line":116,"address":[40273333,40273163],"length":1,"stats":{"Line":13}},{"line":117,"address":[605212],"length":1,"stats":{"Line":3}},{"line":118,"address":[773295],"length":1,"stats":{"Line":3}},{"line":119,"address":[643668,643539],"length":1,"stats":{"Line":10}},{"line":120,"address":[773624,773580],"length":1,"stats":{"Line":13}}],"covered":36,"coverable":39},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","util.rs"],"content":"pub struct InstructionUtil {}\n\nimpl InstructionUtil {\n    /// Byte To Bools\n    /// Convert a u8 byte to an array of bool\n    pub fn byte_to_bools(to_convert: u8) -\u003e [bool; 8] {\n        let mut return_values = [false; 8];\n        for i in 0..8 {\n            let new_value = to_convert \u003e\u003e i \u0026 0x1 == 1;\n            return_values[i as usize] = new_value;\n        }\n        return_values\n    }\n\n    /// Byte To Bools\n    /// Convert an array of bool to a u8\n    pub fn bools_to_byte(to_convert: [bool; 8]) -\u003e u8 {\n        let mut return_value = 0u8;\n        for i in 0..to_convert.len() {\n            let new_bit = 0x1 \u003c\u003c i;\n            if to_convert[i] {\n                return_value |= new_bit\n            }\n        }\n        return_value\n    }\n\n    /// Split Bytes\n    /// Split a u16 into a pair of u8 values for high and low byte\n    pub fn split_bytes(to_split: u16) -\u003e (u8, u8) {\n        let high = to_split.rotate_left(8) as u8;\n        let low = (to_split \u0026 0xff) as u8;\n\n        (high, low)\n    }\n\n    /// Join Bytes\n    /// Joins 2 u8 into a single u16 with high and low\n    /// bytes provided\n    pub fn join_bytes(high: u8, low: u8) -\u003e u16 {\n        (high as u16) \u003c\u003c 8 | low as u16\n    }\n\n    /// Swap Endian\n    /// Swaps the endianess of a value\n    /// 0xabcd -\u003e 0xcdab\n    pub fn swap_endian(to_swap:u16) -\u003e u16 {\n        let low = to_swap \u0026 0xff;\n        let high = to_swap \u0026 0xff00;\n        low \u003c\u003c 8 | high \u003e\u003e 8\n    }\n\n    /// Split Bytes Swap Endian\n    /// Swaps endianness and return both bytes separately\n    pub fn split_bytes_swap_endian(to_split: u16) -\u003e (u8, u8) {\n        InstructionUtil::split_bytes(InstructionUtil::swap_endian(to_split))\n    }\n\n    /// Join Bytes Swap Endian\n    /// Swaps endianness and returns the combined bytes\n    pub fn join_bytes_swap_endian(high :u8, low: u8) -\u003e u16 {\n        InstructionUtil::swap_endian(InstructionUtil::join_bytes(high, low))\n    }\n\n    /// Read Address from Instruction\n    /// Reads the 'address' portion of an instruction\n    /// Returns the 12 LSB\n    /// 0xabcd -\u003e 0x0bcd\n    pub fn read_addr_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n        instruction_to_read_from \u0026 0x0FFF\n    }\n\n    /// Read Nibble from Instruction\n    /// Returns the lowest 4 bits of the instruction\n    /// 0xabcd -\u003e 0x0d\n    pub fn read_nibble_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n       ( instruction_to_read_from \u0026 0x000F )as u8\n    }\n\n    /// Read X From Instruction\n    /// Returns the 4 LSB of the high byte of the instruction\n    /// Returns bits 9-13\n    /// 0xabcd -\u003e 0x0b\n    pub fn read_x_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x0F00).rotate_right(8) as u8\n    }\n\n    /// Read Y from Instruction\n    /// Returns the 4 MSB from the low byte of the instruction\n    /// Returns bits 5-8\n    /// 0xabcd -\u003e 0x0c\n    pub fn read_y_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x00F0).rotate_right(4) as u8\n    }\n\n    /// Read Byte from Instruction\n    /// Returns the 8 LSB from the instruction\n    /// Returns bits 0-7\n    /// 0xabcd -\u003e 0xcd\n    pub fn read_byte_from_instruction(instruction_to_read_from: u16) -\u003e u8 {\n        (instruction_to_read_from \u0026 0x00FF) as u8\n    }\n\n    /// Alias for read_x_from_instruction\n    pub fn read_upper_byte_lower_nibble(to_read_from: u16) -\u003e u8 {\n        InstructionUtil::read_x_from_instruction(to_read_from)\n    }\n\n    pub fn read_bits_from_instruction(instruction_bytes: u16, first_bit: u8, last_bit: u8) -\u003e u16 {\n        // shift the value over by the 'first bit' bits\n        let working = instruction_bytes.rotate_right(first_bit as u32);\n        let mut working_mask: i32 = 0x00;\n        // build the mask\n        for _ in   first_bit..=last_bit {\n            working_mask = working_mask.rotate_left(1) | 0x01;\n        }\n\n        // apply the mask to the working value\n        working \u0026 working_mask as u16\n    }\n}\n\n","traces":[{"line":4,"address":[342240],"length":1,"stats":{"Line":1}},{"line":5,"address":[1593535],"length":1,"stats":{"Line":1}},{"line":6,"address":[747072,747243,747142],"length":1,"stats":{"Line":3}},{"line":7,"address":[3566443,3566386],"length":1,"stats":{"Line":1}},{"line":8,"address":[1181788,1181828,1181845],"length":1,"stats":{"Line":2}},{"line":10,"address":[661090],"length":1,"stats":{"Line":1}},{"line":13,"address":[342480],"length":1,"stats":{"Line":1}},{"line":14,"address":[342499],"length":1,"stats":{"Line":1}},{"line":15,"address":[623415,623352],"length":1,"stats":{"Line":2}},{"line":16,"address":[1181974,1182014],"length":1,"stats":{"Line":1}},{"line":17,"address":[632195,632242,632166],"length":1,"stats":{"Line":3}},{"line":18,"address":[40372826],"length":1,"stats":{"Line":1}},{"line":21,"address":[1181950],"length":1,"stats":{"Line":1}},{"line":24,"address":[623552],"length":1,"stats":{"Line":1}},{"line":25,"address":[1594021],"length":1,"stats":{"Line":1}},{"line":26,"address":[342745],"length":1,"stats":{"Line":1}},{"line":31,"address":[342752],"length":1,"stats":{"Line":1}},{"line":33,"address":[40372910],"length":1,"stats":{"Line":1}},{"line":37,"address":[632336],"length":1,"stats":{"Line":5}},{"line":38,"address":[747592],"length":1,"stats":{"Line":4}},{"line":42,"address":[1182192],"length":1,"stats":{"Line":5}},{"line":43,"address":[623656],"length":1,"stats":{"Line":4}},{"line":47,"address":[1182208],"length":1,"stats":{"Line":5}},{"line":48,"address":[632376],"length":1,"stats":{"Line":4}},{"line":52,"address":[706368],"length":1,"stats":{"Line":4}},{"line":53,"address":[706376],"length":1,"stats":{"Line":5}},{"line":57,"address":[1594192],"length":1,"stats":{"Line":4}},{"line":58,"address":[632472],"length":1,"stats":{"Line":5}},{"line":61,"address":[747728],"length":1,"stats":{"Line":4}},{"line":62,"address":[747736],"length":1,"stats":{"Line":5}}],"covered":30,"coverable":30},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","chip8","video.rs"],"content":"use crate::chip8::video::Chip8VideoModes::{HighRes, LowRes};\nuse crate::constants::{\n    CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_MEMORY, CHIP8_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT,\n    SCHIP_VIDEO_WIDTH, SCHIP_VIDE_MEMORY,\n};\nuse serde::{Deserialize, Serialize};\n\n#[derive(Clone, Copy, Serialize, Deserialize, Debug)]\npub enum Chip8VideoModes {\n    LowRes,\n    HighRes,\n}\n\n#[derive(Clone, Serialize, Deserialize, Debug)]\npub struct Chip8Video {\n    memory: Vec\u003cbool\u003e,\n    pub has_frame_changed: bool,\n    current_res: Chip8VideoModes,\n}\n\nimpl Chip8Video {\n    pub fn reset(\u0026mut self) {\n        self.cls();\n        self.set_lowres();\n        self.start_frame();\n    }\n\n    pub fn is_highres(\u0026self) -\u003e bool {\n        matches!(self.current_res, HighRes)\n    }\n\n    pub fn set_highres(\u0026mut self) {\n        self.current_res = HighRes;\n        self.cls();\n    }\n\n    pub fn set_lowres(\u0026mut self) {\n        self.current_res = LowRes\n    }\n\n    pub fn get_screen_resolution(\u0026mut self) -\u003e Chip8VideoModes {\n        self.current_res\n    }\n\n    pub fn cls(\u0026mut self) {\n        self.memory.clear();\n        let num_loops = match self.current_res {\n            LowRes =\u003e CHIP8_VIDEO_MEMORY,\n            HighRes =\u003e SCHIP_VIDE_MEMORY,\n        };\n        for _ in 0..num_loops {\n            self.memory.push(false);\n        }\n    }\n\n    pub fn start_frame(\u0026mut self) {\n        self.has_frame_changed = false;\n    }\n\n    pub fn new(initial_configuration: Box\u003cVec\u003cbool\u003e\u003e) -\u003e Self {\n        Self {\n            memory: *initial_configuration,\n            has_frame_changed: false,\n            current_res: Chip8VideoModes::LowRes,\n        }\n    }\n\n    pub fn peek(\u0026self, address: u16) -\u003e bool {\n        let loop_value: u16 = if self.is_highres() {\n            SCHIP_VIDE_MEMORY as u16\n        } else {\n            CHIP8_VIDEO_MEMORY as u16\n        };\n        let effective_address = if address \u003e= loop_value {\n            address % loop_value\n        } else {\n            address\n        };\n        self.memory[effective_address as usize]\n    }\n\n    pub fn poke(\u0026mut self, address: u16, new_value: bool) {\n        let loop_value: u16 = self.get_memory_size() as u16;\n        // Loop the address\n        let effective_address = address % loop_value;\n\n        let old_value = self.memory[effective_address as usize];\n        let xored_value = new_value ^ old_value; // XOR of the video\n                                                 // if the frame has already changed we dont care if it changed again.\n        if !self.has_frame_changed \u0026\u0026 old_value != xored_value {\n            self.has_frame_changed = true\n        }\n\n        //     println!(\"VIDEO POKE COMPLETE WITH {effective_address} SET TO {xored_value}\");\n        self.memory[effective_address as usize] = xored_value;\n    }\n\n    pub fn poke_byte(\u0026mut self, first_address: u16, to_write: u8) {\n        for i in (0..8).rev() {\n            self.poke(first_address + (7 - i), (to_write \u0026 (1 \u003c\u003c i)) != 0);\n        }\n    }\n\n    pub fn poke_2byte(\u0026mut self, first_address: u16, to_write: [u8; 2]) {\n        for (idx, _) in to_write.iter().enumerate() {\n            for i in (0..8).rev() {\n                self.poke(\n                    first_address + (idx * 8) as u16 + (7 - i),\n                    (to_write[idx] \u0026 (1 \u003c\u003c i)) != 0,\n                );\n            }\n        }\n    }\n\n    pub fn format_as_string(\u0026self) -\u003e String {\n        let (width, height) = self.get_resolution();\n        // println!(\"FORMATTING {width}x{height}\");\n        let mut output = String::new();\n        for row in 0..height {\n            for column in 0..width {\n                let data_offset = row * width + column;\n\n                if self.memory[data_offset as usize] {\n                    output += \"*\"\n                } else {\n                    output += \" \"\n                }\n            }\n            output += \"\\n\";\n        }\n        output\n    }\n\n    pub fn get_resolution(\u0026self) -\u003e (i32, i32) {\n        if self.is_highres() {\n            (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT)\n        } else {\n            (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT)\n        }\n    }\n    fn get_memory_size(\u0026self) -\u003e i32 {\n        let (width, height) = self.get_resolution();\n        width * height\n    }\n\n    pub fn tick(\u0026mut self) {\n        self.has_frame_changed = false;\n    }\n\n    pub fn scroll_right(\u0026mut self) {\n        // println!(\"SCROLLRIGHTPRE:::[{}]\", self.format_as_string());\n        let (width, height) = self.get_resolution();\n\n        for current_row in 0..height {\n            let row_offset: usize = (current_row * width) as usize;\n\n            // Shift pixels to the right by 4 in the current row\n            for current_column in (0..(width - 4)).rev() {\n                let source_address = row_offset + current_column as usize;\n                let target_address = source_address + 4;\n                self.memory[target_address] = self.memory[source_address];\n            }\n\n            // Clear the first 4 pixels in the current row\n            self.memory[row_offset..row_offset + 4].fill(false);\n        }\n        // println!(\"SCROLLRIGHTPOST:::[{}]\", self.format_as_string());\n    }\n\n    pub fn scroll_left(\u0026mut self) {\n        // println!(\"SCROLLLEFTPRE:::[{}]\", self.format_as_string());\n        let (width, height) = self.get_resolution();\n\n        for current_row in 0..height {\n            let row_offset = current_row * width;\n            for current_column in 0..width - 4 {\n                let target: usize = (row_offset + current_column) as usize;\n                let source: usize = target + 4;\n                self.memory[target] = self.memory[source];\n                // println!(\"Moving from {source} to {target}\");\n            }\n\n            let clear_start: usize = (row_offset + width - 4) as usize;\n            let clear_end: usize = clear_start + 4;\n\n            self.memory[clear_start..clear_end].fill(false);\n        }\n        // println!(\"SCROLLLEFTPOST:::[{}]\", self.format_as_string());\n    }\n\n    pub fn scroll_up(\u0026mut self, how_far: \u0026u8) {\n        let how_far = *how_far as i32;\n        let (width, height) = self.get_resolution();\n        let row_shift = how_far * width;\n\n        for current_source_row in how_far..height {\n            let current_source_offset = current_source_row * width;\n            for current_source_column in 0..width {\n                let base_offset: usize = (current_source_offset + current_source_column) as usize;\n                let shifted_offset: usize = base_offset - row_shift as usize;\n                self.memory[shifted_offset] = self.memory[base_offset];\n            }\n        }\n\n        // Clear the new bottom rows after shifting\n        let clear_start = ((height - how_far) * width) as usize;\n        self.memory[clear_start..].fill(false);\n    }\n\n    pub fn scroll_down(\u0026mut self, how_far: i32) {\n        let (width, height) = self.get_resolution();\n        let row_shift = how_far * width;\n\n        let max_source_row = height - how_far;\n        for current_source_row in (0..max_source_row).rev() {\n            let current_source_offset = current_source_row * width;\n            for current_source_column in 0..width {\n                let base_offset: usize = (current_source_offset + current_source_column) as usize;\n                let extended_offset: usize = base_offset + row_shift as usize;\n                self.memory[extended_offset] = self.memory[base_offset];\n            }\n        }\n\n        // Clear the new top rows after shifting\n        let clear_end = (how_far * width) as usize;\n        self.memory[0..clear_end].fill(false);\n    }\n}\n\nimpl Default for Chip8Video {\n    fn default() -\u003e Self {\n        let mut mem = vec![];\n        for _ in 0..CHIP8_VIDEO_MEMORY {\n            mem.push(false);\n        }\n        Chip8Video {\n            memory: mem,\n            has_frame_changed: false,\n            current_res: LowRes,\n        }\n    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const CHIP8_REGISTER_COUNT: i32 = 16;\npub const CHIP8_MEMORY_SIZE: i32 = 4096i32;\npub const CHIP8_VIDEO_WIDTH: i32 = 64i32;\npub const CHIP8_VIDEO_HEIGHT: i32 = 32i32;\npub const CHIP8_VIDEO_MEMORY: usize = (CHIP8_VIDEO_HEIGHT * CHIP8_VIDEO_WIDTH) as usize;\npub const CHIP8_ROM_SIZE: usize = 512;\n\npub const LABEL_QUIRK_CHIP8:  \u0026str = \"Chip8\";\npub const LABEL_QUIRK_XOCHIP: \u0026str = \"XO Chip\";\npub const LABEL_QUIRK_SCHIP: \u0026str = \"SChip-Modern\";\n\npub const BASE_ROOT: \u0026'static str = \u0026(env!(\"CARGO_MANIFEST_DIR\"));\npub const RESOURCES_ROOT: \u0026'static str = concat!(env!(\"CARGO_MANIFEST_DIR\"), \"/../resources\");\npub const TESTS_ROOT: \u0026'static str = concat!(env!(\"CARGO_MANIFEST_DIR\"), \"/../resources/test\");\npub const TEST_ROM_ROOT: \u0026'static str =concat!(env!(\"CARGO_MANIFEST_DIR\"), \"/../resources/test/roms\");\n\npub const CHIP8_KEYBOARD: [[u8; 4]; 4] = [\n    [0x01, 0x02, 0x03, 0x0C],\n    [0x04, 0x05, 0x06, 0x0D],\n    [0x07, 0x08, 0x09, 0x0E],\n    [0x0A, 0x00, 0x0B, 0x0F],\n];\n\npub const SCHIP_VIDEO_HEIGHT: i32 = 64;\npub const SCHIP_VIDEO_WIDTH: i32 = 128;\npub const SCHIP_VIDE_MEMORY: usize = (SCHIP_VIDEO_HEIGHT * SCHIP_VIDEO_WIDTH) as usize;\n\npub const INST_ADDI: \u0026str = \"ADDI\";\npub const INST_ADD: \u0026str = \"ADD\";\npub const INST_ADDR: \u0026str = \"ADDR\";\npub const INST_AND: \u0026str = \"AND\";\npub const INST_CLS: \u0026str = \"CLS\";\npub const INST_CALL: \u0026str = \"CALL\";\npub const INST_DRW: \u0026str = \"DRW\";\npub const INST_EXIT: \u0026str = \"EXIT\";\npub const INST_JPA: \u0026str = \"JPA\";\npub const INST_JPI: \u0026str = \"JPI\";\npub const INST_JPX: \u0026str = \"JPX\";\npub const INST_BCD: \u0026str = \"BCD\";\npub const INST_LDD: \u0026str = \"LDD\";\npub const INST_LDF: \u0026str = \"LDF\";\npub const INST_LDF2: \u0026str = \"LDF2\";\npub const INST_LDIA: \u0026str = \"LDIA\";\npub const INST_LDIX: \u0026str = \"LDIX\";\npub const INST_LIDR: \u0026str = \"LIDR\";\npub const INST_LDIS: \u0026str = \"LDIS\";\npub const INST_LDR: \u0026str = \"LDR\";\npub const INST_LDRD: \u0026str = \"LDRD\";\npub const INST_LDRI: \u0026str = \"LDRI\";\npub const INST_LDRK: \u0026str = \"LDRK\";\npub const INST_LDRY: \u0026str = \"LDRY\";\npub const INST_OR: \u0026str = \"OR\";\npub const INST_RET: \u0026str = \"RET\";\npub const INST_RND: \u0026str = \"RND\";\npub const INST_SCD: \u0026str = \"SCD\";\npub const INST_SCR: \u0026str = \"SCR\";\npub const INST_SCL: \u0026str = \"SCL\";\npub const INST_SEX: \u0026str = \"SEX\";\npub const INST_SEY: \u0026str = \"SEY\";\npub const INST_SHL: \u0026str = \"SHL\";\npub const INST_SHR: \u0026str = \"SHR\";\npub const INST_SKP: \u0026str = \"SKP\";\npub const INST_SKNP: \u0026str = \"SKNP\";\npub const INST_SNEB: \u0026str = \"SNEB\";\npub const INST_SNEY: \u0026str = \"SNEY\";\npub const INST_STR: \u0026str = \"STR\";\npub const INST_SUB: \u0026str = \"SUB\";\npub const INST_SUBC: \u0026str = \"SUBC\";\npub const INST_SYS: \u0026str = \"SYS\";\npub const INST_LOW: \u0026str = \"LOW\";\npub const INST_HIGH: \u0026str = \"HIGH\";\npub const INST_ORY: \u0026str = \"ORY\";\npub const INST_SCU: \u0026str = \"SCU\";\n/// Data Word\n/// Data to be loaded to memory for application use\npub const INST_DW: \u0026str = \"DW\";\n\npub const XXXXERRORINSTRUCTION_ENCODED: u16 = 0x0000;\n\npub const CHIP8_PROGRAM_LOAD_OFFSET: i32 = 0x200;\npub const CHIP8FONT_0: [u8; 5] = [0xF0, 0x90, 0x90, 0x90, 0xF0];\npub const CHIP8FONT_1: [u8; 5] = [0x20, 0x60, 0x20, 0x20, 0x70];\npub const CHIP8FONT_2: [u8; 5] = [0xF0, 0x10, 0xF0, 0x80, 0xF0];\npub const CHIP8FONT_3: [u8; 5] = [0xF0, 0x10, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_4: [u8; 5] = [0x90, 0x90, 0xF0, 0x10, 0x10];\npub const CHIP8FONT_5: [u8; 5] = [0xF0, 0x80, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_6: [u8; 5] = [0xF0, 0x80, 0xF0, 0x90, 0xF0];\npub const CHIP8FONT_7: [u8; 5] = [0xF0, 0x10, 0x20, 0x40, 0x40];\npub const CHIP8FONT_8: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0xF0];\npub const CHIP8FONT_9: [u8; 5] = [0xF0, 0x90, 0xF0, 0x10, 0xF0];\npub const CHIP8FONT_A: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0x90];\npub const CHIP8FONT_B: [u8; 5] = [0xE0, 0x90, 0xE0, 0x90, 0xE0];\npub const CHIP8FONT_C: [u8; 5] = [0xF0, 0x80, 0x80, 0x80, 0xF0];\npub const CHIP8FONT_D: [u8; 5] = [0xE0, 0x90, 0x90, 0x90, 0xE0];\npub const CHIP8FONT_E: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0xF0];\npub const CHIP8FONT_F: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0x80];\n\npub const SCHIPFONT_OFFSET: u32 = 0x81;\npub const SCHIPFONT_0: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_1: [u8; 0x0A] = [0x20, 0x60, 0xA0, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x70];\npub const SCHIPFONT_2: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0xF0, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_3: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_4: [u8; 0x0A] = [0x90, 0x90, 0x90, 0x90, 0xF0, 0x10, 0x10, 0x10, 0x10, 0x10];\npub const SCHIPFONT_5: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_6: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_7: [u8; 0x0A] = [0xF0, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10];\npub const SCHIPFONT_8: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x90, 0x90, 0x90, 0x90, 0xF0];\npub const SCHIPFONT_9: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xF0];\npub const SCHIPFONT_A: [u8; 0x0A] = [0xF0, 0x90, 0x90, 0x90, 0xF0, 0x90, 0x90, 0x90, 0x90, 0x90];\npub const SCHIPFONT_B: [u8; 0x0A] = [0xE0, 0x90, 0x90, 0x90, 0xE0, 0x90, 0x90, 0x90, 0x90, 0xE0];\npub const SCHIPFONT_C: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_D: [u8; 0x0A] = [0xE0, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xE0];\npub const SCHIPFONT_E: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x80, 0x80, 0x80, 0x80, 0xF0];\npub const SCHIPFONT_F: [u8; 0x0A] = [0xF0, 0x80, 0x80, 0x80, 0xF0, 0x80, 0x80, 0x80, 0x80, 0x80];\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","src","lib.rs"],"content":"pub mod chip8 {\n    pub mod video;\n    pub mod sound_timer;\n    pub mod delay_timer;\n    pub mod keypad;\n    pub mod computer;\n    pub mod system_memory;\n    pub mod instructions;\n    pub mod cpu_states;\n    pub mod util;\n    pub mod registers;\n\n    pub mod stack;\n    pub  mod computer_manager;\n    pub mod quirk_modes;\n}\n\npub mod constants;","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","computer_tests.rs"],"content":"mod test_utils;\nuse crate::test_utils::load_compressed_result;\nuse crate::test_utils::load_rom;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::chip8::registers::Chip8Registers;\nuse gemma::constants::{CHIP8_VIDEO_MEMORY, TEST_ROM_ROOT};\nuse std::path::Path;\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\nfn reset_clears_video() {\n    let mut x = Chip8Computer::new();\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        x.video_memory.poke(i as u16, i % 2 == 0);\n    }\n\n    x.reset(gemma::chip8::quirk_modes::QuirkMode::Chip8);\n    x.video_memory.reset();\n\n    assert_eq!(x.dump_video_to_string(), x.video_memory.format_as_string());\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.video_memory.peek(i as u16));\n    }\n}\n\n#[test]\nfn level1_test() {\n    let mut x = Chip8Computer::new();\n    let level_1_rom = load_rom(\"1-chip8-logo\");\n    x.load_bytes_to_memory(0x200, \u0026level_1_rom);\n\n    // run for 0x40 cycles\n    while x.num_cycles \u003c 0x40 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_level_1_test\")\n    );\n}\n\n#[test]\nfn level2_test() {\n    let mut x = Chip8Computer::new();\n    // Load the IBM rom and run it.\n    // it takes 39 cycles to get to the end so lets run it 40.\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"2-ibm-logo\"));\n    for _ in 0..40 {\n        x.step_system();\n    }\n    // ...then verify that the current video memory of the chip-8\n    // simulator matches what we expect it to be\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_ibm_rom_output\")\n    );\n}\n\n#[test]\nfn level3_test() {\n    let mut x = Chip8Computer::new();\n\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"3-corax+\"));\n    for _ in 0..0x180 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_corax_plus\")\n    );\n}\n\n#[test]\nfn level3_compressed_test() {\n    let mut x = Chip8Computer::new();\n\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"3-corax+\"));\n    for _ in 0..0x180 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_corax_plus\")\n    );\n}\n\n#[test]\nfn rps_test() {\n    let mut x = Chip8Computer::new();\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"RPS\"));\n    for _ in 0..0xF0 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_rps_stage1\")\n    );\n    x.keypad.push_key(0x01);\n    for _ in 0..0x200 {\n        x.step_system();\n    }\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_rps_stage2\")\n    );\n}\n\n#[test]\nfn level4_test() {\n    // flags\n    let mut x = Chip8Computer::new();\n    x.load_bytes_to_memory(0x200, \u0026load_rom(\"4-flags\"));\n    for _ in 0..0x400 {\n        x.step_system();\n    }\n\n    assert_eq!(\n        x.dump_video_to_string(),\n        load_compressed_result(\"gemma_integration_flags\")\n    );\n}\n\n#[test]\nfn partial_eq_chip8computer() {\n    let x = Chip8Computer::new();\n    let y = Chip8Computer::new();\n    assert_eq!(x, y)\n}\n\n#[test]\nfn tick_when_not_ready() {}\n\n#[test]\nfn tick_one_step_only() {}\n","traces":[{"line":7,"address":[245824],"length":1,"stats":{"Line":2}},{"line":8,"address":[246054,245951],"length":1,"stats":{"Line":5}},{"line":11,"address":[246272],"length":1,"stats":{"Line":1}},{"line":12,"address":[246502,246399],"length":1,"stats":{"Line":5}}],"covered":4,"coverable":4},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","state_tests.rs"],"content":"mod test_utils;\nuse gemma::chip8::computer::Chip8Computer;\nuse std::fs;\nuse std::io::prelude::*;\nuse crate::test_utils::load_compressed_result;\n\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\n#[ignore]\nfn serialization_round_trip() {\n    let original_computer = Chip8Computer::new();\n    let expected_json = load_compressed_result(\"smoke_001_round_trip_serialize_deserialize\");\n\n    // Serialize the Chip8Computer instance\n    let serialized = serde_json::to_string(\u0026original_computer).expect(\"Serialization failed\");\n\n    // Compare the serialized output to the expected JSON\n    println!(\"Serialized Output: [{}]\", serialized);\n    assert_eq!(\n        serialized.trim(),\n        expected_json.trim(),\n        \"Serialized output does not match expected JSON\"\n    );\n\n    // Deserialize back to Chip8Computer and assert equality\n    let deserialized_computer: Chip8Computer =\n        serde_json::from_str(\u0026serialized).expect(\"Deserialization failed\");\n    assert_eq!(\n        deserialized_computer, original_computer,\n        \"Deserialized instance does not match the original\"\n    );\n}\n//\n// #[test]\n// fn computer_001_system_zero_state() {\n//     let x = Chip8Computer::new();\n//     let expected_string = load_compressed_result(\"smoke_002_round_trip_serialize_deserialize.tflt\").unwrap();\n//     let serialized = serde_json::to_string(\u0026x).unwrap();\n//     assert_eq!(serialized, expected_string);\n// }\n//\n","traces":[{"line":3,"address":[428240],"length":1,"stats":{"Line":1}},{"line":4,"address":[428367,428470],"length":1,"stats":{"Line":2}},{"line":7,"address":[428688],"length":1,"stats":{"Line":0}},{"line":8,"address":[428815,428918],"length":1,"stats":{"Line":0}}],"covered":2,"coverable":4},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","unit_tests.rs"],"content":"use crate::test_utils::load_compressed_result;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::cpu_states::Chip8CpuStates::WaitingForInstruction;\nuse gemma::chip8::delay_timer::DelayTimer;\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::JPX;\nuse gemma::chip8::keypad::Keypad;\nuse gemma::chip8::quirk_modes::QuirkMode::{self, Chip8, SChipModern, XOChip};\nuse gemma::chip8::registers::Chip8Registers;\nuse gemma::chip8::sound_timer::SoundTimer;\nuse gemma::chip8::stack::Chip8Stack;\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::chip8::util::InstructionUtil;\nuse gemma::chip8::video::{Chip8Video, Chip8VideoModes};\nuse gemma::constants::*;\nuse log::debug;\nuse rand::random;\nuse serde::Serialize;\nuse std::fs::File;\nuse std::io::Read;\nuse test_utils::read_compressed_test_result;\n\nmod test_utils;\n\n#[test]\nfn smoke() {\n    assert!(true)\n}\n\n#[test]\n#[ignore]\nfn decoder_test_invalid_instructions() {\n    let invalid_to_encode = [\n        0x5ab1, 0x5abf, 0x8ab8, 0x8abd, 0x8abf, 0x9ab1, 0x9abf, 0xea9d, 0xea9f, 0xeaa0, 0xeaa2,\n        0xf006, 0xf008,\n    ];\n\n    for i in invalid_to_encode {\n        assert_eq!(\n            Chip8CpuInstructions::decode(i, \u0026Chip8).encode(),\n            XXXXERRORINSTRUCTION_ENCODED\n        );\n        assert!(matches!(\n            Chip8CpuInstructions::decode(i, \u0026Chip8),\n            Chip8CpuInstructions::XXXXERRORINSTRUCTION\n        ));\n    }\n}\n\n#[test]\nfn format_as_string_looks_right() {\n    let mut x = Chip8Registers::default();\n    for i in 0..0x10 {\n        x.registers[i] = i as u8;\n    }\n    x.pc = 0xabc;\n    x.i_register = 0xcab;\n    let result_string = x.format_as_string();\n    assert_eq!(result_string, String::from(\"Vx: 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07\\n    0x08 0x09 0x0a 0x0b 0x0c 0x0d 0x0e 0x0f\\nI: 0x0cab\\tPC: 0x0abc\"));\n}\n\n\n#[test]\nfn stack_push_pop_test() {\n    let mut x = Chip8Stack::new();\n\n    // lets see if we can push and pop a bunch\n    x.push(\u00260xabcu16);\n    x.push(\u00260xcdeu16);\n    x.pop();\n    assert_eq!(x.depth(), 1);\n}\n\n#[test]\nfn video_split_bytes() {\n    // from 0xABCD we should have AB high, CD low\n    let (low, high) = InstructionUtil::split_bytes(0xabcd);\n    assert_eq!(low, 0xAB);\n    assert_eq!(high, 0xCD);\n}\n\n#[test]\nfn video_join_bytes() {\n    // from 0xAB low and 0xCD high we get 0xABCD\n    let merged = InstructionUtil::join_bytes(0xcd, 0xab);\n    assert_eq!(merged, 0xcdab);\n}\n\n#[test]\nfn instruction_read_from_instruction() {\n    // from 0xABCD\n    let source = 0xABCD;\n    assert_eq!(InstructionUtil::read_addr_from_instruction(source), 0xBCD);\n    assert_eq!(InstructionUtil::read_nibble_from_instruction(source), 0xD);\n    assert_eq!(InstructionUtil::read_x_from_instruction(source), 0xB);\n    assert_eq!(InstructionUtil::read_y_from_instruction(source), 0xC);\n    assert_eq!(InstructionUtil::read_byte_from_instruction(source), 0xCD);\n}\n\n#[test]\nfn instruction_ubln() {\n    // from 0xABCD we should see B\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0xABCD), 0xB);\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0x0123), 0x1);\n    assert_eq!(InstructionUtil::read_upper_byte_lower_nibble(0x0000), 0x0);\n}\n\n#[test]\nfn instruction_byte_to_bool_changes() {\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b00000000),\n        [false, false, false, false, false, false, false, false]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11111111),\n        [true, true, true, true, true, true, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11001100),\n        [false, false, true, true, false, false, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::byte_to_bools(0b11110000),\n        [false, false, false, false, true, true, true, true]\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, false, false, false, false, false, false]),\n        0b00000000\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([true, true, true, true, true, true, true, true]),\n        0b11111111\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, true, true, false, false, true, true]),\n        0b11001100\n    );\n    assert_eq!(\n        InstructionUtil::bools_to_byte([false, false, false, false, true, true, true, true]),\n        0b11110000\n    );\n}\n\nfn real_build_checkboard(in_hd: bool) -\u003e Chip8Video {\n    let mut r = Chip8Video::default();\n    let (width, height) = if in_hd {\n        r.set_highres();\n        (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT)\n    } else {\n        (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT)\n    };\n\n    println!(\"BUILDING BOARD WITH SIZE OF {width}x{height}\");\n\n    for row in 0..height {\n        let data_offset = row * width;\n\n        for col in 0..width {\n            // XOR row and column indices to alternate in a checkerboard pattern\n            let to_poke = (row % 2) ^ (col % 2) == 1;\n            let local_offset: u16 = (data_offset + col) as u16;\n\n            r.poke(local_offset, to_poke);\n        }\n    }\n    r\n}\n\nfn build_checkboard_hd() -\u003e Chip8Video {\n    real_build_checkboard(true)\n}\n\nfn build_checkerboard() -\u003e Chip8Video {\n    real_build_checkboard(false)\n}\n\n#[test]\nfn video_default_test() {\n    let mut x = Chip8Video::default();\n\n    for i in 0..CHIP8_VIDEO_MEMORY {\n        assert!(!x.clone().peek(i as u16));\n        // then flip the value and test again.\n        x.poke(i as u16, true);\n        assert!(x.clone().peek(i as u16));\n    }\n}\n\n#[test]\nfn video_set_initial_memory_sd() {\n    let mut x = Chip8Video::default();\n    // let mut initial_memory = [false; CHIP8_VIDEO_MEMORY];\n    let mut ws = String::new();\n    // set our checkerboard\n    for cbr in 0..32 {\n        for cbc in 0..64 {\n            let dof = cbr * 64 + cbc;\n            if (dof as i32 % 2) == 0 {\n                x.poke(dof, true);\n                ws += \"*\";\n            } else {\n                ws += \" \";\n            }\n        }\n        ws += \"\\n\";\n    }\n    assert_eq!(x.format_as_string(), ws);\n}\n\n#[test]\nfn video_poke_byte_test() {\n    let to_poke = 0b11001111;\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x05, to_poke);\n    let mut expected = String::new();\n    expected = \"     **  ****                                                   \\n\".to_string();\n    for i in 0..31 {\n        expected += \u0026*(\" \".repeat(64) + \"\\n\");\n    }\n    assert_eq!(x.format_as_string(), expected);\n}\n\n#[test]\nfn video_poke_2byte_test() {\n    let to_poke: [u8; 2] = [0b11001111, 0b00111100];\n\n    let mut x = Chip8Video::default();\n    x.poke_2byte(0x00, to_poke);\n\n    let mut expected = String::new();\n    expected = \"**  ****  ****  \".to_string() + \u0026*\" \".repeat(64 - 16).to_string() + \"\\n\";\n    for i in 0..31 {\n        expected += \u0026*((*\" \".repeat(64)).to_string() + \"\\n\");\n    }\n\n    assert_eq!(expected, x.format_as_string());\n}\n\n#[test]\nfn video_poke_multirow_2_byte_sprite() {\n    // take 2 rows of 16bits and write them to memory\n}\n\n#[test]\nfn video_cls_stddef() {\n    let width = 64;\n    let height = 32;\n    let initial_memory = vec![];\n    let mut ws = String::new();\n    let mut set_x = Chip8Video::new(initial_memory.into());\n    for cbr in 0..32 {\n        ws += \u0026*\" \".repeat(width);\n        ws += \"\\n\";\n    }\n    set_x.cls();\n\n    assert_eq!(set_x.format_as_string(), ws);\n}\n\n#[test]\nfn video_poke_byte_test_2() {\n    let to_poke = 0b10101010;\n    let mut v = Chip8Video::default();\n    v.poke_byte(0x00, to_poke);\n    assert!(v.clone().peek(0x00));\n    assert!(!v.clone().peek(0x01));\n    assert!(v.clone().peek(0x02));\n    assert!(!v.clone().peek(0x03));\n    assert!(v.clone().peek(0x04));\n    assert!(!v.clone().peek(0x05));\n    assert!(v.clone().peek(0x06));\n    assert!(!v.clone().peek(0x07));\n    for i in 0x8..CHIP8_VIDEO_MEMORY {\n        assert!(!v.clone().peek(i as u16));\n    }\n}\n\n#[test]\nfn video_poke_multi_line_test() {\n    let mut v = Chip8Video::default();\n    let to_poke = [0b00000000, 0b11111111, 0b10101010, 0b01010101];\n\n    for (byte_in_set, byte_to_poke) in to_poke.iter().enumerate() {\n        let base_offset = byte_in_set * 64;\n        v.poke_byte(base_offset as u16, *byte_to_poke);\n    }\n\n    // row 2 column 1\n    {\n        assert!(v.clone().peek(0x40));\n        assert!(v.clone().peek(0x41));\n        assert!(v.clone().peek(0x42));\n        assert!(v.clone().peek(0x43));\n        assert!(v.clone().peek(0x44));\n        assert!(v.clone().peek(0x45));\n        assert!(v.clone().peek(0x46));\n        assert!(v.clone().peek(0x47));\n\n        // row 3 column 1\n        assert!(!v.clone().peek(0xC0));\n        assert!(v.clone().peek(0xC1));\n        assert!(!v.clone().peek(0xC2));\n        assert!(v.clone().peek(0xC3));\n        assert!(!v.clone().peek(0xC4));\n        assert!(v.clone().peek(0xC5));\n        assert!(!v.clone().peek(0xC6));\n        assert!(v.clone().peek(0xC7));\n    }\n}\n\n#[test]\nfn video_moved_poke_test() {\n    let mut v = Chip8Video::default();\n    let to_poke = [0b00000000, 0b11111111, 0b10101010, 0b01010101];\n\n    let x_offset = 20;\n    let y_offset = 5;\n\n    for (byte_in_set, byte_to_poke) in to_poke.iter().enumerate() {\n        let base_offset = (x_offset + byte_in_set) * 64 + y_offset;\n        v.poke_byte(base_offset as u16, *byte_to_poke);\n    }\n\n    let test_offset = (x_offset * 64 + y_offset) as u16;\n    assert!(!v.clone().peek(test_offset));\n    assert!(!v.clone().peek(test_offset + 1));\n    assert!(!v.clone().peek(test_offset + 2));\n    assert!(!v.clone().peek(test_offset + 3));\n    assert!(!v.clone().peek(test_offset + 4));\n    assert!(!v.clone().peek(test_offset + 5));\n    assert!(!v.clone().peek(test_offset + 6));\n    assert!(!v.clone().peek(test_offset + 7));\n\n    let test_offset = test_offset + 0x40;\n    assert!(v.clone().peek(test_offset));\n    assert!(v.clone().peek(test_offset + 1));\n    assert!(v.clone().peek(test_offset + 2));\n    assert!(v.clone().peek(test_offset + 3));\n    assert!(v.clone().peek(test_offset + 4));\n    assert!(v.clone().peek(test_offset + 5));\n    assert!(v.clone().peek(test_offset + 6));\n    assert!(v.clone().peek(test_offset + 7));\n}\n\n#[test]\nfn video_verify_change_registered() {\n    let mut v = Chip8Video::default();\n    v.poke(0x01, true);\n    v.poke(0x01, true);\n    assert!(v.has_frame_changed);\n\n    v.start_frame();\n    assert!(!v.has_frame_changed);\n}\n\n#[test]\nfn video_write_checkboard() {\n    let v = build_checkerboard();\n    assert_eq!(\n        v.clone().format_as_string(),\n        load_compressed_result(\"test_video_write_checkerboard\")\n    );\n}\n\n#[test]\n#[ignore]\nfn video_zero_test() {\n    let mut x = Chip8Video::default();\n\n    for (byte_index, data_offset) in (0..=0x100).step_by(0x40).enumerate() {\n        x.poke_byte(data_offset as u16, CHIP8FONT_0[byte_index]);\n    }\n\n    assert_eq!(\n        load_compressed_result(\"test_video_zero\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_multi_sprite_test() {\n    let mut x = Chip8Video::default();\n    // draw a row of digits 01234567\n    let to_draw = [\n        CHIP8FONT_0,\n        CHIP8FONT_1,\n        CHIP8FONT_2,\n        CHIP8FONT_3,\n        CHIP8FONT_4,\n        CHIP8FONT_5,\n        CHIP8FONT_6,\n        CHIP8FONT_7,\n    ];\n    for (index, sprite) in to_draw.iter().enumerate() {\n        let data_base_offset = index * 0x8;\n        for (index, offset) in (0..=0x100).step_by(0x40).enumerate() {\n            x.poke_byte((data_base_offset + offset) as u16, sprite[index]);\n        }\n    }\n\n    assert_eq!(\n        load_compressed_result(\"test_multi_sprite\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_reset_test() {\n    let mut x = build_checkerboard();\n    x.reset();\n    assert_eq!(\n        x.format_as_string(),\n        load_compressed_result(\"test_reset_clears_video\")\n    );\n}\n\n#[test]\nfn video_collision_test() {\n    // Setup: Set 0xFF to 0x00 with a new frame ready\n    // Action: Run Poke to the same area\n    // Test: Verify the 'changed' flag is tripped\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0xff);\n    x.tick();\n    // set the cell thats already set...\n    x.poke(0x00, true);\n    // it becomes unset and theres a frame changed\n    assert!(!x.peek(0x00));\n\n    assert!(x.clone().has_frame_changed);\n}\n\n#[test]\nfn video_collision_test2() {\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0b11110000);\n    assert!(x.has_frame_changed);\n    x.tick();\n    assert!(!x.has_frame_changed);\n    // clear the 'has changed' flag\n\n    // now set a no-collision value\n    x.poke_byte(0x00, 0b00001111);\n    assert!(x.has_frame_changed);\n}\n\n#[test]\nfn video_collision_test3() {\n    // draw a couple sprites that do not overlap.\n    // goal being drawing without triggering the collision\n    // detection.\n    let mut x = Chip8Video::default();\n    x.poke_byte(0x00, 0b11110000);\n}\n\n#[test]\nfn video_peek_out_of_bounds_doesnt_panic() {\n    let x = Chip8Video::default();\n\n    let y = x.clone().peek(2049);\n    let y = x.clone().peek(0);\n\n    // if we got here we didn't panic\n    assert!(true);\n}\n\n#[test]\nfn video_scroll_down_1_row_test() {\n    let mut x = build_checkerboard();\n    x.scroll_down(1);\n    assert_eq!(\n        load_compressed_result(\"test_video_scroll_down_1\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_10_row_test() {\n    let mut x = build_checkerboard();\n    x.scroll_down(10);\n    assert_eq!(\n        load_compressed_result(\"test_video_scroll_down_10\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_high_res_has_right_resolution() {\n    let x = build_checkboard_hd();\n    println!(\"[{}]\", x.format_as_string());\n    assert_eq!(\n        load_compressed_result(\"test_video_highdef\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_1_row_test_schip() {\n    let mut x = build_checkboard_hd();\n    x.scroll_down(1);\n\n    assert_eq!(\n        load_compressed_result(\"test_scroll_down_1_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_down_10_row_test_schip() {\n    let mut x = build_checkboard_hd();\n    x.scroll_down(10);\n    assert_eq!(\n        load_compressed_result(\"test_scroll_down_10_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_left_4_row_test_std_def() {\n    let mut x = build_checkerboard();\n    x.scroll_left();\n    assert_eq!(\n        load_compressed_result(\"test_scroll_left_4\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_left_4_row_test_high_def() {\n    let mut x = build_checkboard_hd();\n    x.scroll_left();\n    assert_eq!(\n        load_compressed_result(\"test_scroll_left_4_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_right_4_row_test_std_def() {\n    let mut x = build_checkerboard();\n    x.scroll_right();\n    assert_eq!(\n        load_compressed_result(\"test_scroll_right_4\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_right_4_row_test_high_def() {\n    let mut x = build_checkboard_hd();\n    x.scroll_right();\n    assert_eq!(\n        load_compressed_result(\"test_scroll_right_4_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn instructions_operands_tests() {\n    assert_eq!(Chip8CpuInstructions::SYS(0x000).operands(), \"0x0000\");\n    assert_eq!(Chip8CpuInstructions::JPI(0x123).operands(), \"0x0123\");\n    assert_eq!(Chip8CpuInstructions::JPA(0x234).operands(), \"0x0234\");\n    assert_eq!(Chip8CpuInstructions::LDIA(0x345).operands(), \"0x0345\");\n    assert_eq!(Chip8CpuInstructions::CALL(0x456).operands(), \"0x0456\");\n}\n\n#[test]\nfn instruction_ena_dis_tests() {\n    let mut x = Chip8Computer::new();\n    for quirk in [SChipModern, XOChip] {\n        x.quirk_mode = quirk;\n        assert!(!x.video_memory.is_highres());\n        Chip8CpuInstructions::HIGH.execute(\u0026mut x);\n        assert!(x.video_memory.is_highres());\n        Chip8CpuInstructions::HIGH.execute(\u0026mut x);\n        assert!(x.video_memory.is_highres());\n        Chip8CpuInstructions::LOW.execute(\u0026mut x);\n        assert!(!x.video_memory.is_highres());\n    }\n}\n\n#[test]\nfn instruction_test_scrolling_lowres() {\n    for quirk in [SChipModern, XOChip] {\n        let mut x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCR.execute(\u0026mut x);\n        assert_eq!(\n            load_compressed_result(\"test_scroll_right_4\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCL.execute(\u0026mut x);\n\n        assert_eq!(\n            load_compressed_result(\"test_scroll_left_4\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCD(0x01).execute(\u0026mut x);\n        assert_eq!(\n            load_compressed_result(\"test_video_scroll_down_1\"),\n            x.dump_video_to_string()\n        );\n\n        x = Chip8Computer::new();\n        x.video_memory = build_checkerboard();\n        x.quirk_mode = quirk.clone();\n        Chip8CpuInstructions::SCD(0xA).execute(\u0026mut x);\n        assert_eq!(\n            load_compressed_result(\"test_video_scroll_down_10\"),\n            x.dump_video_to_string()\n        );\n    }\n}\n\n#[test]\nfn computer_dump_keypad_to_string() {\n    let mut x = Chip8Computer::new();\n    x.keypad.push_key(0x1);\n    x.keypad.push_key(0x2);\n    assert_eq!(\n        load_compressed_result(\"test_keypad_to_string\"),\n        x.dump_keypad_to_string()\n    );\n}\n\n#[test]\nfn computer_dump_registers_to_string() {\n    let mut x = Chip8Computer::new();\n    let values_to_set = [\n        0x0b, 0xad, 0xbe, 0xef, 0xca, 0xb0, 0x7a, 0xc0, 0xca, 0x70, 0xba, 0xdb, 0xed, 0x00, 0x00,\n        0x00,\n    ];\n    let expected_value = \"Vx: 0x0b 0xad 0xbe 0xef 0xca 0xb0 0x7a 0xc0\\n    0xca 0x70 0xba 0xdb 0xed 0x00 0x00 0x00\\nI: 0x0000\\tPC: 0x0200\";\n\n    for i in 0..16 {\n        x.registers.poke(i, values_to_set[i as usize]);\n    }\n\n    // now verify.\n    assert_eq!(expected_value, x.dump_registers_to_string());\n}\n\n#[test]\nfn video_scroll_up_tests_sd() {\n    let mut x = build_checkerboard();\n    let distance = 1u8;\n    x.scroll_up(\u0026distance);\n    assert_eq!(\n        load_compressed_result(\"test_video_scroll_up_test_sd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_scroll_up_tests_hd() {\n    let mut x = build_checkboard_hd();\n    let distance = 1u8;\n    x.scroll_up(\u0026distance);\n    assert_eq!(\n        load_compressed_result(\"test_video_scroll_up_test_hd\"),\n        x.format_as_string()\n    );\n}\n\n#[test]\nfn video_resolution_changing() {\n    let mut x = Chip8Video::default();\n\n    x.set_highres();\n    assert_eq!(x.get_resolution(), (SCHIP_VIDEO_WIDTH, SCHIP_VIDEO_HEIGHT));\n    assert!(matches!(\n        x.get_screen_resolution(),\n        Chip8VideoModes::HighRes\n    ));\n    x.set_lowres();\n    assert_eq!(x.get_resolution(), (CHIP8_VIDEO_WIDTH, CHIP8_VIDEO_HEIGHT));\n    assert!(matches!(x.get_screen_resolution(), Chip8VideoModes::LowRes));\n}\n\n#[test]\nfn delay_timer_default() {\n    let t = DelayTimer::default();\n    assert_eq!(t.current(), 0xff);\n}\n\n#[test]\nfn instruction_jpx() {\n    // JPX -\u003e 0xBXnn\n    // Jump to Xnn+Vx\n    let mut x = Chip8Computer::new();\n    // set X1 to 4...\n    x.registers.poke(0x01, 0x04);\n    // ...use (x1)+0x134\n    let to_execute = JPX(0x01, 0x34);\n    // expect to set PC to 0x834\n    to_execute.execute(\u0026mut x);\n    assert_eq!(x.registers.peek_i(), 0x834);\n}\n\n#[test]\nfn instruction_ldrd() {\n    let mut x = Chip8Computer::new();\n    x.state = WaitingForInstruction;\n    x.delay_timer.set_timer(0x01);\n    Chip8CpuInstructions::LDRD(0x01).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x01), 0x01);\n    x.delay_timer.set_timer(0xff);\n    Chip8CpuInstructions::LDRD(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x00), 0xff);\n    x.step_system();\n    x.step_system();\n    x.step_system();\n    x.step_system();\n    Chip8CpuInstructions::LDRD(0x0).execute(\u0026mut x);\n    assert_eq!(x.registers.peek(0x0), 0xfb);\n}\n\n#[test]\nfn video_hires_loop_check() {\n    let max_address = SCHIP_VIDE_MEMORY;\n    let x = build_checkboard_hd();\n    x.peek((max_address + 1) as u16);\n    // if we got here we didn't explode!\n    assert!(true);\n}\n\n#[test]\nfn system_memory_new() {\n    let x = Chip8SystemMemory::new();\n\n    // check its empty.\n    for i in 0..CHIP8_MEMORY_SIZE {\n        assert_eq!(x.peek(i as u16), 0x00);\n    }\n}\n\n#[test]\n#[ignore]\nfn video_lowres_schip_draw_chip8_sprite() {\n    let mut x = Chip8Computer::new();\n    x.quirk_mode = QuirkMode::SChipModern;\n    x.video_memory.set_lowres();\n    // point at the 1 from chip8\n    x.registers.poke_i(0x0005);\n    // point to 1,2 for the drawing\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::DRW(0x01, 0x01, 0x08).execute(\u0026mut x);\n    let expected_state = read_compressed_test_result(\"state/video_lowres_schip_draw_chip8_sprite_result\");\n    let actual_state = x.dump_state_to_json();\n    assert_eq!(expected_state, actual_state);\n}\n\n#[test]\n#[ignore]\nfn video_lowres_schip_draw_schip_sprite() {\n    let mut x = Chip8Computer::new();\n    x.quirk_mode = SChipModern;\n    x.video_memory.set_lowres();\n    x.registers.poke_i(0x0005);\n    x.registers.poke(0x01, 0x01);\n    x.registers.poke(0x02, 0x02);\n    Chip8CpuInstructions::DRW(0x01, 0x01, 0x08).execute(\u0026mut x);\n    let expected_state = read_compressed_test_result(\"state/video_lowres_schip_draw_schip_sprite\");\n    let actual_state = x.dump_state_to_json();\n    assert_eq!(expected_state, actual_state);\n}\n\n#[test]\nfn video_highres_schip_draw_chip8_sprite() {}\n#[test]\nfn video_highres_schip_draw_schip_sprite() {}\n\n\n#[test]\nfn quirk_mode_labels() {\n    assert_eq!(format!(\"{}\", Chip8), LABEL_QUIRK_CHIP8);\n    assert_eq!(format!(\"{}\", XOChip), LABEL_QUIRK_XOCHIP);\n    assert_eq!(format!(\"{}\", SChipModern), LABEL_QUIRK_SCHIP);\n}\n","traces":[{"line":20,"address":[261120],"length":1,"stats":{"Line":1}},{"line":21,"address":[261157],"length":1,"stats":{"Line":1}},{"line":478,"address":[261424,262270],"length":1,"stats":{"Line":0}},{"line":479,"address":[261448],"length":1,"stats":{"Line":0}},{"line":481,"address":[261462],"length":1,"stats":{"Line":0}},{"line":482,"address":[261431],"length":1,"stats":{"Line":0}},{"line":483,"address":[261470],"length":1,"stats":{"Line":0}},{"line":484,"address":[261436],"length":1,"stats":{"Line":0}},{"line":485,"address":[261441],"length":1,"stats":{"Line":0}},{"line":486,"address":[261478],"length":1,"stats":{"Line":0}},{"line":487,"address":[261545],"length":1,"stats":{"Line":0}},{"line":488,"address":[261571],"length":1,"stats":{"Line":0}},{"line":489,"address":[261587],"length":1,"stats":{"Line":0}},{"line":490,"address":[261608],"length":1,"stats":{"Line":0}},{"line":492,"address":[261827,261691],"length":1,"stats":{"Line":0}},{"line":494,"address":[261976],"length":1,"stats":{"Line":0}},{"line":895,"address":[263338,262304],"length":1,"stats":{"Line":1}},{"line":896,"address":[262337],"length":1,"stats":{"Line":1}},{"line":897,"address":[262352,262569,262393,262372],"length":1,"stats":{"Line":5}},{"line":898,"address":[262374],"length":1,"stats":{"Line":2}},{"line":899,"address":[262553],"length":1,"stats":{"Line":2}},{"line":901,"address":[262356],"length":1,"stats":{"Line":1}},{"line":904,"address":[262675],"length":1,"stats":{"Line":1}},{"line":906,"address":[262760,262922],"length":1,"stats":{"Line":2}},{"line":907,"address":[262940,262990],"length":1,"stats":{"Line":1}},{"line":909,"address":[263018,262965],"length":1,"stats":{"Line":2}},{"line":911,"address":[263250,263120],"length":1,"stats":{"Line":1}},{"line":912,"address":[263312,263279,263237],"length":1,"stats":{"Line":2}},{"line":914,"address":[263290,263333],"length":1,"stats":{"Line":2}},{"line":917,"address":[262879],"length":1,"stats":{"Line":1}},{"line":920,"address":[263360],"length":1,"stats":{"Line":2}},{"line":921,"address":[263368],"length":1,"stats":{"Line":2}},{"line":924,"address":[263392],"length":1,"stats":{"Line":1}},{"line":925,"address":[263400],"length":1,"stats":{"Line":1}}],"covered":20,"coverable":34},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemma","tests","unit_tests_instructions.rs"],"content":"use gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::*;\nuse gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};\nuse gemma::constants::*;\n\n#[derive(Clone)]\nstruct InstructionTestQuirks {\n    chip8: Chip8CpuInstructions,\n    schip: Chip8CpuInstructions,\n    xochip: Chip8CpuInstructions,\n}\n\n#[derive(Clone)]\nstruct InstructionTest {\n    name: String,\n    instruction: Chip8CpuInstructions,\n    operands: String,\n    asm: String,\n    encoded: u16,\n    quirks: InstructionTestQuirks,\n}\n\n#[test]\nfn instructions_encode_decode_tests_with_quirks() {\n    let it = vec![\n        InstructionTest {\n            name: INST_SYS.to_string(),\n            instruction: SYS(0x123),\n            operands: \"0x0123\".to_string(),\n            asm: \"SYS 0x0123\".to_string(),\n            encoded: 0x0123,\n            quirks: InstructionTestQuirks {\n                chip8: SYS(0x123),\n                schip: XXXXERRORINSTRUCTION,\n                xochip: XXXXERRORINSTRUCTION,\n            },\n        },\n        InstructionTest {\n            name: INST_CLS.to_string(),\n            instruction: CLS,\n            asm: \"CLS\".to_string(),\n            operands: \"\".to_string(),\n            encoded: 0x00E0,\n            quirks: InstructionTestQuirks {\n                chip8: CLS,\n                schip: CLS,\n                xochip: CLS,\n            },\n        },\n        InstructionTest {\n            name: INST_RET.to_string(),\n            instruction: RET,\n            asm: \"RET\".to_string(),\n            operands: \"\".to_string(),\n            encoded: 0x00ee,\n            quirks: InstructionTestQuirks {\n                chip8: RET,\n                schip: RET,\n                xochip: RET,\n            },\n        },\n        InstructionTest {\n            name: INST_JPX.to_string(),\n            instruction: JPX(0x1, 0xab),\n            operands: \"0x01, 0x01ab\".to_string(),\n            asm: \"JPX 0x01, 0x01ab\".to_string(),\n            encoded: 0xb1ab,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: JPX(0x1, 0xab),\n                xochip: XXXXERRORINSTRUCTION,\n            },\n        },\n        InstructionTest {\n            name: INST_CALL.to_string(),\n            instruction: CALL(0x123),\n            asm: \"CALL 0x0123\".to_string(),\n            encoded: 0x2123,\n            operands: \"0x0123\".to_string(),\n            quirks: InstructionTestQuirks {\n                chip8: CALL(0x123),\n                schip: CALL(0x123),\n                xochip: CALL(0x123),\n            },\n        },\n        InstructionTest {\n            name: INST_DRW.to_string(),\n            instruction: DRW(0x01, 0x02, 0x03),\n            operands: \"0x01, 0x02, 0x03\".to_string(),\n            asm: \"DRW 0x01, 0x02, 0x03\".to_string(),\n            encoded: 0xd123,\n            quirks: InstructionTestQuirks {\n                chip8: DRW(0x1, 0x2, 0x3),\n                schip: DRW(0x1, 0x2, 0x3),\n                xochip: DRW(0x1, 0x2, 0x3),\n            },\n        },\n        InstructionTest {\n            name: INST_JPI.to_string(),\n            instruction: JPI(0x321),\n            operands: \"0x0321\".to_string(),\n            asm: \"JPI 0x0321\".to_string(),\n            encoded: 0xb321,\n            quirks: InstructionTestQuirks {\n                chip8: JPI(0x321),\n                schip: XXXXERRORINSTRUCTION,\n                xochip: JPI(0x321),\n            },\n        },\n        InstructionTest {\n            name: INST_SCD.to_string(),\n            instruction: SCD(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SCD 0x01\".to_string(),\n            encoded: 0x00c1,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCD(0x1),\n                xochip: SCD(0x1),\n            },\n        },\n        InstructionTest {\n            name: INST_SCR.to_string(),\n            instruction: Chip8CpuInstructions::SCR,\n            operands: \"\".to_string(),\n            asm: \"SCR\".to_string(),\n            encoded: 0x00FB,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCR,\n                xochip: SCR,\n            },\n        },\n        InstructionTest {\n            name: INST_SCL.to_string(),\n            instruction: SCL,\n            operands: \"\".to_string(),\n            asm: \"SCL\".to_string(),\n            encoded: 0x00FC,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: SCL,\n                xochip: SCL,\n            },\n        },\n        InstructionTest {\n            name: INST_EXIT.to_string(),\n            instruction: EXIT,\n            operands: \"\".to_string(),\n            asm: \"EXIT\".to_string(),\n            encoded: 0x00FD,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: EXIT,\n                xochip: EXIT,\n            },\n        },\n        InstructionTest {\n            name: INST_LOW.to_string(),\n            instruction: LOW,\n            operands: \"\".to_string(),\n            asm: \"LOW\".to_string(),\n            encoded: 0x00FE,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LOW,\n                xochip: LOW,\n            },\n        },\n        InstructionTest {\n            name: INST_HIGH.to_string(),\n            instruction: HIGH,\n            operands: \"\".to_string(),\n            asm: \"HIGH\".to_string(),\n            encoded: 0x00FF,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: HIGH,\n                xochip: HIGH,\n            },\n        },\n        InstructionTest {\n            name: INST_SEX.to_string(),\n            instruction: Chip8CpuInstructions::SEX(0x01, 0xfa),\n            operands: \"0x01, 0xfa\".to_string(),\n            asm: \"SEX 0x01, 0xfa\".to_string(),\n            encoded: 0x31fa,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SEX(0x1, 0xfa),\n                schip: Chip8CpuInstructions::SEX(0x1, 0xfa),\n                xochip: Chip8CpuInstructions::SEX(0x1, 0xfa),\n            },\n        },\n        InstructionTest {\n            name: INST_SNEB.to_string(),\n            instruction: Chip8CpuInstructions::SNEB(0x01, 0xab),\n            operands: \"0x01, 0xab\".to_string(),\n            asm: \"SNEB 0x01, 0xab\".to_string(),\n            encoded: 0x41ab,\n            quirks: InstructionTestQuirks {\n                chip8: SNEB(0x01, 0xab),\n                schip: SNEB(0x01, 0xab),\n                xochip: SNEB(0x01, 0xab),\n            },\n        },\n        InstructionTest {\n            name: INST_SEY.to_string(),\n            instruction: Chip8CpuInstructions::SEY(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SEY 0x1, 0x2\".to_string(),\n            encoded: 0x5120,\n            quirks: InstructionTestQuirks {\n                chip8: SEY(0x1, 0x2),\n                schip: SEY(0x1, 0x2),\n                xochip: SEY(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_LDR.to_string(),\n            instruction: LDR(0xa, 0xbe),\n            operands: \"0x0a, 0xbe\".to_string(),\n            asm: \"LDR 0x0a, 0xbe\".to_string(),\n            encoded: 0x6abe,\n            quirks: InstructionTestQuirks {\n                chip8: LDR(0xa, 0xbe),\n                schip: LDR(0xa, 0xbe),\n                xochip: LDR(0xa, 0xbe),\n            },\n        },\n        InstructionTest {\n            name: INST_ADD.to_string(),\n            instruction: Chip8CpuInstructions::ADD(0x01, 0xab),\n            operands: \"0x01, 0xab\".to_string(),\n            asm: \"ADD 0x01, 0xab\".to_string(),\n            encoded: 0x71ab,\n            quirks: InstructionTestQuirks {\n                chip8: ADD(0x01, 0xab),\n                schip: ADD(0x01, 0xab),\n                xochip: ADD(0x01, 0xab),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRK.to_string(),\n            instruction: Chip8CpuInstructions::LDRK(0x6),\n            operands: \"0x06\".to_string(),\n            asm: \"LDRK 0x06\".to_string(),\n            encoded: 0xF60A,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRK(0x6),\n                schip: Chip8CpuInstructions::LDRK(0x6),\n                xochip: Chip8CpuInstructions::LDRK(0x6),\n            },\n        },\n        InstructionTest {\n            name: INST_ADDI.to_string(),\n            instruction: Chip8CpuInstructions::ADDI(0x02),\n            operands: \"0x02\".to_string(),\n            asm: \"ADDI 0x02\".to_string(),\n            encoded: 0xF21E,\n            quirks: InstructionTestQuirks {\n                chip8: ADDI(0x02),\n                schip: ADDI(0x02),\n                xochip: ADDI(0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_ADD.to_string(),\n            instruction: Chip8CpuInstructions::ADD(0x02, 0x12),\n            operands: \"0x02, 0x12\".to_string(),\n            asm: \"ADD 0x02, 0x12\".to_string(),\n            encoded: 0x7212,\n            quirks: InstructionTestQuirks {\n                chip8: ADD(0x02, 0x12),\n                schip: ADD(0x02, 0x12),\n                xochip: ADD(0x02, 0x12),\n            },\n        },\n        InstructionTest {\n            name: INST_SCU.to_string(),\n            instruction: Chip8CpuInstructions::SCU(0x04),\n            operands: \"0x04\".to_string(),\n            asm: \"SCU 0x04\".to_string(),\n            encoded: 0x00D4,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: XXXXERRORINSTRUCTION,\n                xochip: SCU(0x04),\n            },\n        },\n        InstructionTest {\n            name: INST_ADDR.to_string(),\n            instruction: ADDR(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"ADDR 0x1, 0x2\".to_string(),\n            encoded: 0x8124,\n            quirks: InstructionTestQuirks {\n                chip8: ADDR(0x01, 0x02),\n                schip: ADDR(0x01, 0x02),\n                xochip: ADDR(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_AND.to_string(),\n            instruction: AND(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"AND 0x1, 0x2\".to_string(),\n            encoded: 0x8122,\n            quirks: InstructionTestQuirks {\n                chip8: AND(0x1, 0x2),\n                schip: AND(0x1, 0x2),\n                xochip: AND(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_JPA.to_string(),\n            instruction: JPA(0x345),\n            operands: \"0x0345\".to_string(),\n            asm: \"JPA 0x0345\".to_string(),\n            encoded: 0x1345,\n\n            quirks: InstructionTestQuirks {\n                chip8: JPA(0x345),\n                schip: JPA(0x345),\n                xochip: JPA(0x345),\n            },\n        },\n        InstructionTest {\n            name: INST_BCD.to_string(),\n            instruction: BCD(0xc),\n            operands: \"0x0c\".to_string(),\n            asm: \"BCD 0x0c\".to_string(),\n            encoded: 0xfc33,\n            quirks: InstructionTestQuirks {\n                chip8: BCD(0xcd),\n                schip: BCD(0xcd),\n                xochip: BCD(0xcd),\n            },\n        },\n        InstructionTest {\n            name: INST_LDD.to_string(),\n            instruction: LDD(0xfc),\n            operands: \"0xfc\".to_string(),\n            asm: \"LDD 0xfc\".to_string(),\n            encoded: 0xfc15,\n            quirks: InstructionTestQuirks {\n                chip8: LDD(0xfc),\n                schip: LDD(0xfc),\n                xochip: LDD(0xfc),\n            },\n        },\n        InstructionTest {\n            name: INST_ORY.to_string(),\n            instruction: ORY(0x01, 0x3),\n            operands: \"0x1, 0x3\".to_string(),\n            asm: \"ORY 0x1, 0x3\".to_string(),\n            encoded: 0x8133,\n            quirks: InstructionTestQuirks {\n                chip8: ORY(0x01, 0x3),\n                schip: ORY(0x01, 0x3),\n                xochip: ORY(0x01, 0x3),\n            },\n        },\n        InstructionTest {\n            name: INST_SUBC.to_string(),\n            instruction: Chip8CpuInstructions::SUBC(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SUBC 0x1, 0x2\".to_string(),\n            encoded: 0x8127,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SUBC(0x1, 0x2),\n                schip: Chip8CpuInstructions::SUBC(0x1, 0x2),\n                xochip: Chip8CpuInstructions::SUBC(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_SUB.to_string(),\n            instruction: Chip8CpuInstructions::SUB(0x1, 0x2),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"SUB 0x1, 0x2\".to_string(),\n            encoded: 0x8125,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::SUB(0x1, 0x2),\n                schip: Chip8CpuInstructions::SUB(0x1, 0x2),\n                xochip: Chip8CpuInstructions::SUB(0x1, 0x2),\n            },\n        },\n        InstructionTest {\n            name: INST_STR.to_string(),\n            instruction: Chip8CpuInstructions::STR(0x06),\n            operands: \"0x06\".to_string(),\n            asm: \"STR 0x06\".to_string(),\n            encoded: 0xf675,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: Chip8CpuInstructions::STR(0x06),\n                xochip: Chip8CpuInstructions::STR(0x06),\n            },\n        },\n        InstructionTest {\n            name: INST_OR.to_string(),\n            instruction: OR(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"OR 0x1, 0x2\".to_string(),\n            encoded: 0x8121,\n            quirks: InstructionTestQuirks {\n                chip8: OR(0x01, 0x02),\n                schip: OR(0x01, 0x02),\n                xochip: OR(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_SHR.to_string(),\n            instruction: SHR(0x04, 0x4),\n            operands: \"0x4, 0x4\".to_string(),\n            asm: \"SHR 0x4, 0x4\".to_string(),\n            encoded: 0x8446,\n            quirks: InstructionTestQuirks {\n                chip8: SHR(0x04, 0x4),\n                schip: SHR(0x04, 0x4),\n                xochip: SHR(0x04, 0x4),\n            },\n        },\n        InstructionTest {\n            name: INST_SHL.to_string(),\n            instruction: SHL(0x04, 0x4),\n            operands: \"0x4, 0x4\".to_string(),\n            asm: \"SHL 0x4, 0x4\".to_string(),\n            encoded: 0x844e,\n            quirks: InstructionTestQuirks {\n                chip8: SHL(0x04, 0x4),\n                schip: SHL(0x04, 0x4),\n                xochip: SHL(0x04, 0x4),\n            },\n        },\n        InstructionTest {\n            name: INST_RND.to_string(),\n            instruction: RND(0x01, 0xff),\n            operands: \"0x01, 0xff\".to_string(),\n            asm: \"RND 0x01, 0xff\".to_string(),\n            encoded: 0xc1ff,\n            quirks: InstructionTestQuirks {\n                chip8: RND(0x01, 0xff),\n                schip: RND(0x01, 0xff),\n                xochip: RND(0x01, 0xff),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRY.to_string(),\n            instruction: LDRY(0x01, 0x02),\n            operands: \"0x1, 0x2\".to_string(),\n            asm: \"LDRY 0x1, 0x2\".to_string(),\n            encoded: 0x8120,\n            quirks: InstructionTestQuirks {\n                chip8: LDRY(0x01, 0x02),\n                schip: LDRY(0x01, 0x02),\n                xochip: LDRY(0x01, 0x02),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIS.to_string(),\n            instruction: LDIS(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDIS 0x01\".to_string(),\n            encoded: 0xf118,\n            quirks: InstructionTestQuirks {\n                chip8: LDIS(0x01),\n                schip: LDIS(0x01),\n                xochip: LDIS(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LIDR.to_string(),\n            instruction: LIDR(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LIDR 0x01\".to_string(),\n            encoded: 0xf185,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LIDR(0x01),\n                xochip: LIDR(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDF2.to_string(),\n            instruction: LDF2(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDF2 0x01\".to_string(),\n            encoded: 0xf130,\n            quirks: InstructionTestQuirks {\n                chip8: XXXXERRORINSTRUCTION,\n                schip: LDF2(0x01),\n                xochip: LDF2(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDF.to_string(),\n            instruction: LDFX(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDF 0x01\".to_string(),\n            encoded: 0xf129,\n            quirks: InstructionTestQuirks {\n                chip8: LDFX(0x01),\n                schip: LDFX(0x01),\n                xochip: LDFX(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIA.to_string(),\n            instruction: LDIA(0x01),\n            operands: \"0x0001\".to_string(),\n            asm: \"LDIA 0x0001\".to_string(),\n            encoded: 0xa001,\n            quirks: InstructionTestQuirks {\n                chip8: LDIA(0x01),\n                schip: LDIA(0x01),\n                xochip: LDIA(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDIX.to_string(),\n            instruction: LDIX(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDIX 0x01\".to_string(),\n            encoded: 0xf155,\n            quirks: InstructionTestQuirks {\n                chip8: LDIX(0x01),\n                schip: LDIX(0x01),\n                xochip: LDIX(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRD.to_string(),\n            instruction: Chip8CpuInstructions::LDRD(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDRD 0x01\".to_string(),\n            encoded: 0xf107,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRD(0x01),\n                schip: Chip8CpuInstructions::LDRD(0x01),\n                xochip: Chip8CpuInstructions::LDRD(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_LDRI.to_string(),\n            instruction: Chip8CpuInstructions::LDRI(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"LDRI 0x01\".to_string(),\n            encoded: 0xf165,\n            quirks: InstructionTestQuirks {\n                chip8: Chip8CpuInstructions::LDRI(0x01),\n                schip: Chip8CpuInstructions::LDRI(0x01),\n                xochip: Chip8CpuInstructions::LDRI(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_SKP.to_string(),\n            instruction: SKP(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SKP 0x01\".to_string(),\n            encoded: 0xe19e,\n            quirks: InstructionTestQuirks {\n                chip8: SKP(0x01),\n                schip: SKP(0x01),\n                xochip: SKP(0x01),\n            },\n        },\n        InstructionTest {\n            name: INST_SNEY.to_string(),\n            instruction: SNEY(0x01, 0x1),\n            operands: \"0x1, 0x1\".to_string(),\n            asm: \"SNEY 0x1, 0x1\".to_string(),\n            encoded: 0x9110,\n            quirks: InstructionTestQuirks {\n                chip8: SNEY(0x01, 0x1),\n                schip: SNEY(0x01, 0x1),\n                xochip: SNEY(0x01, 0x1),\n            },\n        },\n        InstructionTest {\n            name: INST_SKNP.to_string(),\n            instruction: SKNP(0x01),\n            operands: \"0x01\".to_string(),\n            asm: \"SKNP 0x01\".to_string(),\n            encoded: 0xe1a1,\n            quirks: InstructionTestQuirks {\n                chip8: SKNP(0x01),\n                schip: SKNP(0x01),\n                xochip: SKNP(0x01),\n            },\n        },\n    ];\n\n    for current in it {\n        let instruction = current.clone().instruction;\n        let asm = Chip8CpuInstructions::from_str(\u0026current.asm);\n        let as_chip8 = Chip8CpuInstructions::decode(current.encoded, \u0026Chip8);\n        let quirks_chip8 = current.quirks.chip8;\n        let as_schip = Chip8CpuInstructions::decode(current.encoded, \u0026SChipModern);\n        let quirks_schip = current.quirks.schip;\n        let as_xochip = Chip8CpuInstructions::decode(current.encoded, \u0026XOChip);\n        let quirks_xochip = current.quirks.xochip;\n\n        // ** CONVERSION **\n        // -\u003e Integer to Instruction\n        assert!(matches!(\n            Chip8CpuInstructions::decode(current.encoded, \u0026Chip8),\n            i\n        ));\n        // -\u003e Instruction to Integer\n        println!(\n            \"TESTING INSTRUCTION TO INTEGER FOR {:?} / {:04x} {:04x}\",\n            current.instruction,\n            current.encoded,\n            instruction.encode()\n        );\n        assert_eq!(current.encoded, instruction.encode());\n        // -\u003e Instruction to String\n        assert_eq!(instruction.to_string(), current.asm);\n        assert_eq!(instruction.operands(), current.operands);\n        assert_eq!(current.instruction.name(), current.name);\n        // -\u003e String to Instruction\n        assert!(matches!(Chip8CpuInstructions::from_str(\u0026current.name), asm));\n        // ** QUIRKS **\n        assert!(matches!(as_chip8, quirks_chip8));\n        assert!(matches!(as_schip, quirks_schip));\n        assert!(matches!(as_xochip, quirks_xochip));\n    }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","gemmaegui.rs"],"content":"use crate::support::gemma_egui_support::{EGuiFileList, GemmaEguiSupport};\nuse eframe::egui;\nuse egui::Key;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::path::PathBuf;\nuse std::time::Instant;\n\nmod support;\n\nconst LIN_KEYS: [[(Key, u8); 4]; 4] = [\n    [\n        (Key::Num1, 0x01),\n        (Key::Num2, 0x02),\n        (Key::Num3, 0x03),\n        (Key::Num4, 0x0c),\n    ],\n    [\n        (Key::Q, 0x04),\n        (Key::W, 0x05),\n        (Key::E, 0x06),\n        (Key::R, 0x0d),\n    ],\n    [\n        (Key::A, 0x07),\n        (Key::S, 0x08),\n        (Key::D, 0x09),\n        (Key::F, 0x0e),\n    ],\n    [\n        (Key::Z, 0x0a),\n        (Key::X, 0x00),\n        (Key::C, 0x0b),\n        (Key::V, 0x0F),\n    ],\n];\n\n#[derive(Default)]\nstruct DisplayOptions {\n    pub video: bool,\n    pub registers: bool,\n    pub memory: bool,\n}\npub struct GemmaViewerState {\n    pub selected_file_index: i32,\n    pub selected_filename: String,\n    pub display_options: DisplayOptions,\n}\n\nimpl Default for GemmaViewerState {\n    fn default() -\u003e Self {\n        GemmaViewerState {\n            selected_file_index: -1,\n            selected_filename: String::new(),\n            display_options: Default::default(),\n        }\n    }\n}\n\nimpl GemmaViewerState {\n    pub fn new() -\u003e GemmaViewerState {\n        GemmaViewerState {\n            ..Default::default()\n        }\n    }\n}\n\nfn main() -\u003e eframe::Result {\n    println!(\"Taxation is Theft\");\n\n    let mut computer = Chip8ComputerManager::new();\n    let mut state = GemmaViewerState::new();\n\n    let options = eframe::NativeOptions {\n        viewport: egui::ViewportBuilder::default().with_inner_size([320.0, 240.0]),\n        ..Default::default()\n    };\n\n    eframe::run_simple_native(\"EGUI Gemma\", options, move |ctx, _frame| {\n        catppuccin_egui::set_theme(ctx, catppuccin_egui::MOCHA);\n        egui::CentralPanel::default().show(ctx, |ui| {\n            let frame_start_time = Instant::now();\n\n            let local_computer = computer.state();\n            //if state.display_video {\n            GemmaEguiSupport::video_view(local_computer, ui);\n            // }\n\n            ui.heading(\"EGUI Gemma\");\n\n            //  if state.display_memory {\n            GemmaEguiSupport::memory_view(local_computer, ui);\n            //  }\n\n            //  if state.display_registers {\n            GemmaEguiSupport::registers_view(local_computer, ui);\n            //  }\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                if ui.button(\"Start\").clicked() {\n                    computer.start();\n                }\n                if ui.button(\"Step\").clicked() {\n                    computer.step();\n                }\n\n                if ui.button(\"Stop\").clicked() {\n                    computer.stop();\n                    //     state.is_running = false;\n                }\n                if ui.button(\"Reset\").clicked() {\n                    computer.reset(computer.quirks_mode());\n                    //   state.is_running = false;\n                }\n            });\n\n            if ui\n                .button(format!(\"Load {}\", state.selected_filename))\n                .clicked()\n            {\n                // println!(\"Should load the bin now\");\n                let read_bin = std::fs::read(PathBuf::from(format!(\n                    \"resources/roms/{}\",\n                    state.selected_filename\n                )))\n                .unwrap();\n                computer.load_new_program_to_system_memory(read_bin);\n            };\n            EGuiFileList::display_path(\n                PathBuf::from(\"resources/roms\"),\n                \u0026mut state.selected_filename,\n                ui,\n            );\n            ctx.input(|input| {\n                // loop through the keys we are checking...\n                for row in LIN_KEYS {\n                    for (keyboard_key, keypad_key) in row {\n                        if input.key_pressed(keyboard_key) {\n                            computer.press_key(keypad_key);\n                            // println!(\"KEY {keypad_key:02x} DOWN\");\n                        } else {\n                            // release it if the user just did\n                            if computer.is_key_pressed(keypad_key) {\n                                computer.release_key(keypad_key);\n                                //    println!(\"KEY {keypad_key:02x} up\");\n                            }\n                        }\n                    }\n                }\n            });\n\n            // run our target number of ticks in the amount of available time.\n            // let time_consumed = Instant::now().duration_since(frame_start_time).as_millis();\n            let mut num_ticks = 0;\n            while num_ticks \u003c 1000 {\n                computer.tick();\n                num_ticks += 1;\n            }\n            ctx.request_repaint();\n        });\n    })\n}\n","traces":[{"line":31,"address":[3152968,3152800],"length":1,"stats":{"Line":0}},{"line":34,"address":[3152819],"length":1,"stats":{"Line":0}},{"line":35,"address":[3152824,3152881],"length":1,"stats":{"Line":0}},{"line":41,"address":[3152992],"length":1,"stats":{"Line":0}},{"line":48,"address":[3154134,3153088,3154103],"length":1,"stats":{"Line":0}},{"line":49,"address":[3153105],"length":1,"stats":{"Line":0}},{"line":51,"address":[3153169],"length":1,"stats":{"Line":0}},{"line":52,"address":[3153199],"length":1,"stats":{"Line":0}},{"line":55,"address":[3153308,3153263],"length":1,"stats":{"Line":0}},{"line":59,"address":[3103920],"length":1,"stats":{"Line":0}},{"line":60,"address":[3103960],"length":1,"stats":{"Line":0}},{"line":61,"address":[3105759,3104004,3104112],"length":1,"stats":{"Line":0}},{"line":62,"address":[3104137],"length":1,"stats":{"Line":0}},{"line":64,"address":[3104180],"length":1,"stats":{"Line":0}},{"line":66,"address":[3104213],"length":1,"stats":{"Line":0}},{"line":69,"address":[3104223],"length":1,"stats":{"Line":0}},{"line":72,"address":[3104274],"length":1,"stats":{"Line":0}},{"line":76,"address":[3104289],"length":1,"stats":{"Line":0}},{"line":78,"address":[3106691,3105792,3104403],"length":1,"stats":{"Line":0}},{"line":79,"address":[3105931,3105817],"length":1,"stats":{"Line":0}},{"line":80,"address":[3106006],"length":1,"stats":{"Line":0}},{"line":82,"address":[3106145,3106022],"length":1,"stats":{"Line":0}},{"line":83,"address":[3106229],"length":1,"stats":{"Line":0}},{"line":86,"address":[3106245,3106368],"length":1,"stats":{"Line":0}},{"line":87,"address":[3106452],"length":1,"stats":{"Line":0}},{"line":90,"address":[3106591,3106468],"length":1,"stats":{"Line":0}},{"line":91,"address":[3106672],"length":1,"stats":{"Line":0}},{"line":96,"address":[3104624,3104878,3104759,3104534],"length":1,"stats":{"Line":0}},{"line":98,"address":[3104970,3105190,3105060],"length":1,"stats":{"Line":0}},{"line":99,"address":[3105453],"length":1,"stats":{"Line":0}},{"line":101,"address":[3105470],"length":1,"stats":{"Line":0}},{"line":102,"address":[3106720,3107378,3105533],"length":1,"stats":{"Line":0}},{"line":104,"address":[3106969,3106745,3106902],"length":1,"stats":{"Line":0}},{"line":105,"address":[3106985,3107229,3107159],"length":1,"stats":{"Line":0}},{"line":106,"address":[3107257,3107221],"length":1,"stats":{"Line":0}},{"line":107,"address":[3107313,3107373],"length":1,"stats":{"Line":0}},{"line":111,"address":[3107286,3107336],"length":1,"stats":{"Line":0}},{"line":112,"address":[3107349],"length":1,"stats":{"Line":0}},{"line":121,"address":[3105545],"length":1,"stats":{"Line":0}},{"line":122,"address":[3105644],"length":1,"stats":{"Line":0}},{"line":123,"address":[3105741,3105655],"length":1,"stats":{"Line":0}},{"line":124,"address":[3105703],"length":1,"stats":{"Line":0}},{"line":125,"address":[3105712,3105743],"length":1,"stats":{"Line":0}},{"line":127,"address":[3105673],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":44},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","gemma_egui_state.rs"],"content":"use std::ops::Range;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\n\npub struct GemmaEGuiState {\n    pub display_video: bool,\n    pub display_memory: bool,\n    pub display_registers: bool,\n    pub memory_view: Range\u003ci32\u003e,\n    pub computer: Chip8ComputerManager,\n    pub selected_rom_filename: String\n}\n\nimpl Default for GemmaEGuiState {\n    fn default() -\u003e Self {\n        Self {\n            display_video: true,\n            display_memory: true,\n            display_registers: true,\n            memory_view: 0x00..0x200,\n            computer: Chip8ComputerManager::new(),\n            selected_rom_filename: String::new()\n        }\n    }\n}\n","traces":[{"line":14,"address":[3140595,3140384],"length":1,"stats":{"Line":0}},{"line":20,"address":[3140401],"length":1,"stats":{"Line":0}},{"line":21,"address":[3140423],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":3},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","gemma_egui_support.rs"],"content":"use crate::Chip8Computer;\nuse egui::Rect;\nuse egui::Ui;\nuse egui::Vec2;\nuse egui::{Align, Color32, ComboBox, Pos2};\nuse std::fs::read_dir;\nuse std::path::PathBuf;\n\nconst CELL_WIDTH: f32 = 5.0;\nconst CELL_HEIGHT: f32 = 5.0;\n\npub struct EGuiFileList {}\nimpl EGuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026mut String, ui: \u0026mut Ui) {\n        let working_filename = selected_filename.clone();\n        ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n            //  ui.label(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to Load Path\")));\n            ComboBox::from_label(\"Select ROM\")\n                .selected_text(selected_filename.clone())\n                .show_ui(ui, |ui| {\n                    let mut sorted_options = vec![];\n                    for option in read_dir(root.as_path()).unwrap() {\n                        let to_push = option\n                            .unwrap()\n                            .file_name()\n                            .into_string()\n                            .unwrap_or(String::new());\n                        sorted_options.push(to_push);\n                    }\n\n                    sorted_options.sort();\n                    for item in sorted_options {\n                        // Add each option to the ComboBox\n                        if ui\n                            .selectable_label(selected_filename.eq(\u0026item.as_str()), item.clone())\n                            .clicked()\n                        {\n                            *selected_filename = item;\n                        }\n                    }\n                });\n            // Display the selected option\n        });\n    }\n}\n\npub struct GemmaEguiSupport {}\n\nimpl GemmaEguiSupport {\n    pub fn controls_view(system: \u0026mut Chip8Computer, ui: \u0026mut Ui) {\n        ui.with_layout(egui::Layout::left_to_right(Align::TOP), |ui| {\n            //    ui.checkbox(\u0026mut state.display_memory, \"Display Memory\");\n            //    ui.checkbox(\u0026mut state.display_video, \"Display Video\");\n            //   ui.checkbox(\u0026mut state.display_registers, \"Display Registers\");\n        });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(format!(\n            \"V0-7: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x00),\n            system.registers.peek(0x01),\n            system.registers.peek(0x02),\n            system.registers.peek(0x03),\n            system.registers.peek(0x04),\n            system.registers.peek(0x05),\n            system.registers.peek(0x06),\n            system.registers.peek(0x07)\n        ));\n        ui.label(format!(\n            \"V8-F: {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} {:02x} \",\n            system.registers.peek(0x08),\n            system.registers.peek(0x09),\n            system.registers.peek(0x0A),\n            system.registers.peek(0x0B),\n            system.registers.peek(0x0C),\n            system.registers.peek(0x0D),\n            system.registers.peek(0x0E),\n            system.registers.peek(0x0F)\n        ));\n        ui.label(format!(\n            \"PC: {:04x}\\tI: {:04x}\",\n            system.registers.peek_pc(),\n            system.registers.peek_i()\n        ));\n    }\n\n    pub fn video_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        let (_resp, painter) = ui.allocate_painter(Vec2::new(350.0, 165.0), egui::Sense::hover());\n        for current_row in 0..32 {\n            for current_col in 0..64 {\n                let data_offset = current_row * 64 + current_col;\n                let x_offset = current_col as f32 * CELL_WIDTH;\n                let y_offset = current_row as f32 * CELL_HEIGHT;\n                let origin = Pos2::new(x_offset, y_offset);\n                let colour = if system.video_memory.peek(data_offset) {\n                    Color32::RED\n                } else {\n                    Color32::WHITE\n                };\n                let rect = Rect::from_min_size(origin, Vec2::new(CELL_WIDTH, CELL_HEIGHT));\n                painter.rect_filled(rect, 0.0, colour);\n                // println!(\"Cell {current_col}x{current_row} at {}x{} -\u003e {}\",\n                //          origin.x, origin.y,\n                //          system.video_memory.peek(data_offset));\n            }\n        }\n        //    thread::sleep(Duration::from_secs(1));\n    }\n\n    pub fn memory_view(system: \u0026Chip8Computer, ui: \u0026mut Ui) {\n        ui.label(\"Memory View\");\n\n        for i in (0..0x200).step_by(16) {\n            ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {\n                for y in 0..16 {\n                    ui.label(format!(\"{:02x}\", system.memory.peek((i + y) as u16)).as_str());\n                }\n            });\n        }\n        ui.label(\"Should have **something** to adjust the 'memory window'\");\n    }\n}\n","traces":[{"line":14,"address":[3118177,3117744],"length":1,"stats":{"Line":0}},{"line":15,"address":[3117774],"length":1,"stats":{"Line":0}},{"line":16,"address":[3118005],"length":1,"stats":{"Line":0}},{"line":18,"address":[3159854,3159678,3159788],"length":1,"stats":{"Line":0}},{"line":19,"address":[3159836,3159904,3159723],"length":1,"stats":{"Line":0}},{"line":20,"address":[3159936,3161727,3159844,3162148],"length":1,"stats":{"Line":0}},{"line":22,"address":[3159972],"length":1,"stats":{"Line":0}},{"line":23,"address":[3160133,3160029,3160359,3160498,3162099,3160531],"length":1,"stats":{"Line":0}},{"line":24,"address":[3161758,3162126],"length":1,"stats":{"Line":0}},{"line":25,"address":[3162024],"length":1,"stats":{"Line":0}},{"line":28,"address":[3160773],"length":1,"stats":{"Line":0}},{"line":29,"address":[3161047,3160807,3160997,3161703],"length":1,"stats":{"Line":0}},{"line":31,"address":[3161197,3161398,3161690,3161087],"length":1,"stats":{"Line":0}},{"line":33,"address":[3161509],"length":1,"stats":{"Line":0}},{"line":45,"address":[3118208],"length":1,"stats":{"Line":0}},{"line":47,"address":[3118327],"length":1,"stats":{"Line":0}},{"line":54,"address":[3118448],"length":1,"stats":{"Line":0}},{"line":55,"address":[3120536,3120304,3119584,3121000,3121232,3120768,3120072,3122076,3121464,3121696],"length":1,"stats":{"Line":0}},{"line":56,"address":[3118496],"length":1,"stats":{"Line":0}},{"line":57,"address":[3118630],"length":1,"stats":{"Line":0}},{"line":58,"address":[3118767],"length":1,"stats":{"Line":0}},{"line":59,"address":[3118904],"length":1,"stats":{"Line":0}},{"line":60,"address":[3119041],"length":1,"stats":{"Line":0}},{"line":61,"address":[3119178],"length":1,"stats":{"Line":0}},{"line":62,"address":[3119315],"length":1,"stats":{"Line":0}},{"line":63,"address":[3119452],"length":1,"stats":{"Line":0}},{"line":65,"address":[3124154,3124386,3124618,3123690,3125314,3123202,3124850,3125082,3123922,3125694],"length":1,"stats":{"Line":0}},{"line":66,"address":[3122111],"length":1,"stats":{"Line":0}},{"line":67,"address":[3122248],"length":1,"stats":{"Line":0}},{"line":68,"address":[3122385],"length":1,"stats":{"Line":0}},{"line":69,"address":[3122522],"length":1,"stats":{"Line":0}},{"line":70,"address":[3122659],"length":1,"stats":{"Line":0}},{"line":71,"address":[3122796],"length":1,"stats":{"Line":0}},{"line":72,"address":[3122933],"length":1,"stats":{"Line":0}},{"line":73,"address":[3123070],"length":1,"stats":{"Line":0}},{"line":75,"address":[3125868,3125735,3126707,3126524,3126292,3125996],"length":1,"stats":{"Line":0}},{"line":78,"address":[3126752,3128144],"length":1,"stats":{"Line":0}},{"line":79,"address":[3126807],"length":1,"stats":{"Line":0}},{"line":80,"address":[3127119,3127201,3127305],"length":1,"stats":{"Line":0}},{"line":81,"address":[3127424,3127326],"length":1,"stats":{"Line":0}},{"line":82,"address":[3127708,3127539],"length":1,"stats":{"Line":0}},{"line":83,"address":[3127628],"length":1,"stats":{"Line":0}},{"line":84,"address":[3127662],"length":1,"stats":{"Line":0}},{"line":85,"address":[3127748],"length":1,"stats":{"Line":0}},{"line":86,"address":[3127784,3127829],"length":1,"stats":{"Line":0}},{"line":87,"address":[3127831],"length":1,"stats":{"Line":0}},{"line":89,"address":[3127816],"length":1,"stats":{"Line":0}},{"line":92,"address":[3128058],"length":1,"stats":{"Line":0}},{"line":101,"address":[3128176],"length":1,"stats":{"Line":0}},{"line":102,"address":[3128208],"length":1,"stats":{"Line":0}},{"line":104,"address":[3128242,3128454],"length":1,"stats":{"Line":0}},{"line":105,"address":[3128567],"length":1,"stats":{"Line":0}},{"line":106,"address":[3162296,3162238],"length":1,"stats":{"Line":0}},{"line":107,"address":[3162433,3162307,3162681,3162863],"length":1,"stats":{"Line":0}},{"line":111,"address":[3128397],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":55},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaegui","src","bin","support","mod.rs"],"content":"pub mod gemma_egui_state;\npub mod gemma_egui_support;\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","gemmaimgui.rs"],"content":"use clap::{Parser, Subcommand};\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse std::path::Path;\nuse std::time::Instant;\nuse std::{default::Default, path::PathBuf};\nuse support::ui_state::ROMPATH_DEFAULT;\nuse support::{emmagui_support::GemmaImguiSupport, ui_state::ImGuiUiState};\n\nmod support;\n\n/// Keypad Mappings for my Linux box\n/// 1 2 3 C\n/// 4 5 6 D\n/// 7 8 9 E\n/// A 0 B F\n\nconst LIN_KEYS: [(u16, u8); 0x10] = [\n    (537, 0x01),\n    (538, 0x02),\n    (539, 0x03),\n    (540, 0x0c),\n    (562, 0x04),\n    (568, 0x05),\n    (550, 0x06),\n    (563, 0x0d),\n    (546, 0x7),\n    (564, 0x8),\n    (549, 0x9),\n    (551, 0xe),\n    (571, 0xa),\n    (569, 0x0),\n    (548, 0xb),\n    (567, 0xf),\n];\n\n#[derive(Parser)]\n#[command(version, about, long_about = None)]\nstruct GemmaImguiCLIOptions {\n    roms_directory: Option\u003cPathBuf\u003e,\n}\n\nfn main() {\n    pretty_env_logger::init();\n\n    let cli_options = GemmaImguiCLIOptions::parse();\n\n    let mut system = Chip8ComputerManager::default();\n    println!(\"GOT A ROMS_DIRECTORY =\u003e [{:?}]\", cli_options.roms_directory);\n    println!(\"{:?}\", std::env::var(\"PWD\"));\n    let mut ui_state = if cli_options.roms_directory.is_none() {\n        ImGuiUiState::new(Some(PathBuf::from(ROMPATH_DEFAULT)))\n    } else {\n        ImGuiUiState::new(cli_options.roms_directory)\n    };\n\n    support::simple_init(file!(), move |_, ui| {\n        let current_time = Instant::now();\n        let mut num_cycles = 0;\n\n        // Key Checks\n        let down_keys = ui.io().keys_down;\n\n        // START DEBUG CODE TO DISPLAY WHAT KEYS WE TRAPPED\n        for (idx, val) in down_keys.iter().enumerate() {\n            if *val {\n                println!(\"{idx} = {val}\");\n            }\n        }\n        // END DEBUG CODE\n\n        for (key_code, key_reg) in LIN_KEYS {\n            if down_keys[key_code as usize] {\n                system.press_key(key_reg);\n                system.wait_for_instruction();\n            } else {\n                // do we need to release it?\n\n                if system.is_key_pressed(key_reg) {\n                    system.release_key(key_reg);\n                }\n            }\n        }\n\n        let target_ms = ui_state.frame_time;\n        let loop_start_time = Instant::now();\n        while Instant::now().duration_since(current_time).as_millis() \u003c target_ms as u128\n            \u0026\u0026 num_cycles \u003c ui_state.target_ips\n        {\n            if system.tick() {\n                num_cycles += 1;\n            }\n        }\n        let cycles_time = Instant::now().duration_since(loop_start_time);\n        if num_cycles \u003e 0 {\n            println!(\n                \"Ran for {}ms and executed {}/{} cycles.\",\n                cycles_time.as_millis(),\n                num_cycles,\n                ui_state.target_ips\n            );\n        }\n        // GUI Parts\n        if ui_state.show_video {\n            GemmaImguiSupport::video_display(system.state(), \u0026ui_state, ui);\n        }\n\n        GemmaImguiSupport::system_controls(\u0026mut system, \u0026mut ui_state, ui);\n\n        if ui_state.show_registers {\n            GemmaImguiSupport::registers_view(system.state(), ui);\n        }\n\n        if ui_state.show_memory {\n            let active_instruction = system.state().registers.peek_pc();\n            GemmaImguiSupport::hex_memory_display(\n                system.state().memory.clone(),\n                (0x100, 0x10),\n                active_instruction as i16,\n                ui,\n            );\n        }\n\n        if ui_state.show_keypad {\n            GemmaImguiSupport::keypad_display(system.state(), ui);\n        }\n    });\n}\n","traces":[{"line":33,"address":[4155843,4155814,4155568],"length":1,"stats":{"Line":0}},{"line":34,"address":[4155575],"length":1,"stats":{"Line":0}},{"line":36,"address":[4155592],"length":1,"stats":{"Line":0}},{"line":37,"address":[4155622],"length":1,"stats":{"Line":0}},{"line":39,"address":[3295426,3293568],"length":1,"stats":{"Line":0}},{"line":40,"address":[3293609],"length":1,"stats":{"Line":0}},{"line":41,"address":[3293644],"length":1,"stats":{"Line":0}},{"line":44,"address":[3293652],"length":1,"stats":{"Line":0}},{"line":47,"address":[3293683,3293918],"length":1,"stats":{"Line":0}},{"line":48,"address":[3293950],"length":1,"stats":{"Line":0}},{"line":49,"address":[3295668],"length":1,"stats":{"Line":0}},{"line":54,"address":[3294037,3294169,3293980,3293844],"length":1,"stats":{"Line":0}},{"line":55,"address":[3294203,3295275],"length":1,"stats":{"Line":0}},{"line":56,"address":[3295350],"length":1,"stats":{"Line":0}},{"line":57,"address":[3295410],"length":1,"stats":{"Line":0}},{"line":61,"address":[3295323,3295368],"length":1,"stats":{"Line":0}},{"line":62,"address":[3295386],"length":1,"stats":{"Line":0}},{"line":67,"address":[3294120],"length":1,"stats":{"Line":0}},{"line":68,"address":[3294137],"length":1,"stats":{"Line":0}},{"line":69,"address":[3294228],"length":1,"stats":{"Line":0}},{"line":70,"address":[3294406],"length":1,"stats":{"Line":0}},{"line":72,"address":[3294423,3295249],"length":1,"stats":{"Line":0}},{"line":73,"address":[3295254,3295226],"length":1,"stats":{"Line":0}},{"line":76,"address":[3294328],"length":1,"stats":{"Line":0}},{"line":77,"address":[3294392],"length":1,"stats":{"Line":0}},{"line":78,"address":[3294713,3294809],"length":1,"stats":{"Line":0}},{"line":80,"address":[3294473],"length":1,"stats":{"Line":0}},{"line":86,"address":[3294447],"length":1,"stats":{"Line":0}},{"line":87,"address":[3294999],"length":1,"stats":{"Line":0}},{"line":90,"address":[3294963],"length":1,"stats":{"Line":0}},{"line":92,"address":[3294983],"length":1,"stats":{"Line":0}},{"line":93,"address":[3295053],"length":1,"stats":{"Line":0}},{"line":96,"address":[3295037],"length":1,"stats":{"Line":0}},{"line":97,"address":[3295095],"length":1,"stats":{"Line":0}},{"line":98,"address":[3295164],"length":1,"stats":{"Line":0}},{"line":99,"address":[3295132],"length":1,"stats":{"Line":0}},{"line":106,"address":[3295079],"length":1,"stats":{"Line":0}},{"line":107,"address":[3295205],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":38},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","emmagui_support.rs"],"content":"use crate::support::gui_file_list::GuiFileList;\nuse crate::ImGuiUiState;\nuse dimensioned::ucum::f32consts::CUP_M;\nuse gemma::chip8::computer::Chip8Computer;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::computer_manager::ManagerDumpables::{Keyboard, Registers, Video};\nuse gemma::chip8::quirk_modes::QuirkMode::{self, *};\nuse gemma::chip8::system_memory::Chip8SystemMemory;\nuse gemma::constants::CHIP8_KEYBOARD;\nuse imgui::{CollapsingHeader, Condition, ImColor32, Ui};\nuse log::debug;\nuse std::fs::File;\nuse std::io::Read;\nuse std::path::{Path, PathBuf};\n\nconst ROM_ROOT: \u0026str = \"resources/roms\";\n\npub struct GemmaImguiSupport {}\n\nconst CELL_WIDTH: i32 = 5i32;\nconst CELL_HEIGHT: i32 = 5i32;\n\nimpl GemmaImguiSupport {\n    pub fn keypad_display(system_to_display: \u0026Chip8Computer, ui: \u0026Ui) {\n        ui.window(\"Keypad\".to_string())\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                for row in CHIP8_KEYBOARD {\n                    for key in row {\n                        let label = if system_to_display.keypad.pressed(key) {\n                            format!(\"*{:1x}*\", key)\n                        } else {\n                            format!(\"{:1x}\", key)\n                        };\n                        ui.text(\u0026label);\n                        ui.same_line();\n                    }\n                    ui.text(\"\");\n                }\n            });\n    }\n\n    pub fn video_display(system_to_control: \u0026Chip8Computer, gui_state: \u0026ImGuiUiState, ui: \u0026Ui) {\n        // draw area size\n        let (width, height) = system_to_control.video_memory.get_resolution();\n        let draw_area_size = ui.io().display_size;\n        //  println!(\"DRAW_AREA_SIZE = {}x{}\", draw_area_size[0], draw_area_size[1]);\n        let cell_width = ((draw_area_size[0] as i32 / width) * 6) / 10;\n        let cell_height = ((draw_area_size[1] as i32 / height) * 6) / 10;\n\n        let origin = ui.cursor_pos();\n        let fg = ui.get_foreground_draw_list();\n        if system_to_control.video_memory.is_highres() {\n            // ui.text(\"High Def Video here\");\n            for current_row in 0..=height {\n                let y_offset = origin[1] as i32 + (current_row * cell_height);\n                for current_column in 0..=width {\n                    let x_offset = origin[0] as i32 + (current_column * cell_width);\n                    let current_origin = [x_offset as f32, y_offset as f32];\n                    let current_limit = [\n                        (x_offset + cell_width) as f32,\n                        (y_offset + cell_height) as f32,\n                    ];\n                    let memory_offset = (current_row * width + current_column) as u16;\n                    let to_render = system_to_control.video_memory.peek(memory_offset);\n                    let color: ImColor32 = if to_render {\n                        gui_state.on_colour\n                    } else {\n                        gui_state.off_colour\n                    };\n                    fg.add_rect_filled_multicolor(\n                        current_origin,\n                        current_limit,\n                        color,\n                        color,\n                        color,\n                        color,\n                    );\n                }\n            }\n        } else {\n            for current_row in 0..height {\n                let y_offset = origin[1] as i32 + (current_row * cell_height);\n                for current_column in 0..width {\n                    let x_offset = origin[0] as i32 + (current_column * cell_width);\n                    let current_origin = [x_offset as f32, y_offset as f32];\n                    let current_limit = [\n                        (x_offset + cell_width) as f32,\n                        (y_offset + cell_height) as f32,\n                    ];\n                    let memory_offset = (current_row * width + current_column) as u16;\n                    let to_render = system_to_control.video_memory.peek(memory_offset);\n                    let color: ImColor32 = if to_render {\n                        gui_state.on_colour\n                    } else {\n                        gui_state.off_colour\n                    };\n                    fg.add_rect_filled_multicolor(\n                        current_origin,\n                        current_limit,\n                        color,\n                        color,\n                        color,\n                        color,\n                    );\n                }\n            }\n        }\n    }\n    pub fn system_controls(\n        system_to_control: \u0026mut Chip8ComputerManager,\n        gui_state: \u0026mut ImGuiUiState,\n        ui: \u0026Ui,\n    ) {\n        // let mut state: Chip8Computer = system_to_control;\n        ui.window(\"!!!! CONTROLS !!!!\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                /* System Step Counter */\n                ui.text(format!(\"Step {:04x}\", system_to_control.num_cycles()).as_str());\n                ui.text(format!(\"Mode {}\", system_to_control.quirks_mode()));\n                /* ROM Lister */\n                if CollapsingHeader::new(\"Roms\").build(ui) {\n                    let new_filename = GuiFileList::display_path(\n                        gui_state.roms_root_path.clone(),\n                        \u0026gui_state.filename_to_load,\n                        ui,\n                    );\n                    if !new_filename.is_empty() {\n                        if new_filename != gui_state.filename_to_load {\n                            debug!(\"NEW FILENAME SELECTED -\u003e {new_filename}\");\n                            gui_state.filename_to_load = new_filename;\n                        }\n                        if ui.button(\"Load Program\") {\n                            let mut buffer: Vec\u003cu8\u003e = Vec::new();\n                            let full_name = format!(\n                                \"{}/{}\",\n                                gui_state\n                                    .roms_root_path\n                                    .clone()\n                                    .as_os_str()\n                                    .to_string_lossy(),\n                                gui_state.filename_to_load.to_string()\n                            );\n                            debug!(\"PREPARING TO LOAD {}\", full_name);\n\n                            let input_file = File::open(Path::new(\u0026full_name));\n                            input_file\n                                .unwrap()\n                                .read_to_end(\u0026mut buffer)\n                                .expect(\"Unable to read rom.\");\n                            system_to_control.load_new_program_to_system_memory(buffer);\n                        }\n                    }\n                }\n\n                if CollapsingHeader::new(\"Controls\").build(ui) {\n                    // if the system has no program loaded hide the buttons.\n                    let bytes: [u8; 2] = [\n                        system_to_control.state().memory.peek(0x200),\n                        system_to_control.state().memory.peek(0x201),\n                    ];\n                    let show_buttons = bytes[0] != 0 || bytes[1] == 0xe0;\n\n                    if show_buttons {\n                        if ui.button(\"Step\") {\n                            system_to_control.step();\n                        };\n                        ui.same_line();\n                        if ui.button(\"Run\") {\n                            system_to_control.start();\n                        }\n                    }\n                    ui.same_line();\n                    if ui.button(\"Stop\") {\n                        system_to_control.stop();\n                    }\n                    ui.same_line();\n                    if ui.button(\"Reset\") {\n                        system_to_control.reset(system_to_control.quirks_mode());\n                    }\n                    if ui.button(\"Dump Video Memory\") {\n                        println!(\"{}\", system_to_control.dump_to_string(Video));\n                    }\n                    ui.same_line();\n                    if ui.button(\"Dump Keypad State\") {\n                        debug!(\"{}\", system_to_control.dump_to_string(Keyboard));\n                    }\n                    ui.same_line();\n                    if ui.button(\"Dump Registers\") {\n                        debug!(\"{}\", system_to_control.dump_to_string(Registers));\n                    }\n                }\n\n                if CollapsingHeader::new(\"Options\").build(ui) {\n                    ui.checkbox(\"Show Memory\", \u0026mut gui_state.show_memory);\n                    ui.same_line();\n                    ui.checkbox(\"Show Video\", \u0026mut gui_state.show_video);\n                    ui.same_line();\n                    ui.checkbox(\"Show Registers\", \u0026mut gui_state.show_registers);\n                    ui.same_line();\n                    ui.checkbox(\"Show Keypad\", \u0026mut gui_state.show_keypad);\n                    ui.input_int(\"Target IPS\", \u0026mut gui_state.target_ips)\n                        .build();\n                };\n\n                let selectors = [Chip8, SChipModern, XOChip];\n                for current_selector in selectors {\n                    let mut working_selector =\n                        ui.selectable_config(current_selector.clone().to_string());\n                    match system_to_control.quirks_mode() {\n                        Chip8 =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                        SChipModern =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                        XOChip =\u003e {\n                            working_selector = working_selector.selected(true);\n                        }\n                    }\n                    if working_selector.build() {\n                        system_to_control.reset(current_selector);\n                        println!(\"CLICK ON {}\", \u0026current_selector);\n                    }\n                }\n            });\n    }\n\n    pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026Ui) {\n        ui.window(\"Registers\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                ui.text(\"Registers\");\n                for i in 1..0x10 {\n                    ui.text(format!(\"V{:X}: {}\", i, system.registers.peek(i)));\n                    if i != 7 {\n                        ui.same_line();\n                    }\n                }\n                ui.text(\"\");\n                ui.text(format!(\"I: {:03X}\", system.registers.peek_i()));\n                ui.same_line();\n                ui.text(format!(\"ST: {:02X}\", system.sound_timer.current()));\n                ui.same_line();\n                ui.text(format!(\"DT: {:02X}\", system.delay_timer.current()));\n                ui.text(format!(\"PC: {:02X}\", system.registers.peek_pc()));\n                ui.text(format!(\"SP: {:02X}\", system.stack.depth()));\n            });\n    }\n\n    pub fn hex_memory_display(\n        bytes: Chip8SystemMemory,\n        position: (i32, i32),\n        active: i16,\n        ui: \u0026Ui,\n    ) {\n        let rows = position.0;\n        let cols = position.1;\n        ui.window(\"System Memory\")\n            .position([100.0, 640.0], Condition::FirstUseEver)\n            .build(|| {\n                let mut current_x_hover: i32 = 0;\n                let mut current_y_hover: i32 = 0;\n                // display a block of data\n                for current_row in 0..rows {\n                    ui.text(format!(\"{:02x}\", current_row * cols));\n                    ui.same_line();\n                    for current_column in 0..cols {\n                        let data_offset = current_row * cols + current_column;\n                        let formatted_text = format!(\"{:02x}\", bytes.peek(data_offset as u16));\n                        let text_location = ui.cursor_screen_pos();\n                        let text_size = ui.calc_text_size(formatted_text.clone());\n                        let bounding_box = imgui::sys::ImVec2 {\n                            x: text_location[0] + text_size[0],\n                            y: text_location[1] + text_size[1],\n                        };\n\n                        let hovering = ui.is_mouse_hovering_rect(\n                            text_location,\n                            [bounding_box.x, bounding_box.y],\n                        );\n                        let is_active = data_offset == active as i32;\n\n                        ui.text_colored(\n                            if hovering {\n                                [0., 1., 1., 1.]\n                            } else if is_active {\n                                [1., 0., 1., 1.]\n                            } else {\n                                [1., 1., 0., 1.]\n                            },\n                            formatted_text.clone(),\n                        );\n\n                        // if we are hovering show that at the bottom...\n                        if hovering {\n                            // Optionally change the text color to indicate it's interactable\n                            current_x_hover = current_column;\n                            current_y_hover = current_row;\n\n                            // Check if the left mouse button is clicked while hovering over the text\n                            if ui.is_mouse_clicked(imgui::MouseButton::Left) {\n                                debug!(\n                                    \"Offset: [{}] [0x{:02x}] Value: [{}]\",\n                                    data_offset,\n                                    data_offset,\n                                    formatted_text.clone()\n                                );\n                                // Perform any action here, e.g., call a function, trigger an event, etc.\n                            }\n                        }\n\n                        // are we on the same line?\n                        if current_column != (cols - 1) {\n                            ui.same_line();\n                        }\n                    }\n                }\n                ui.text(format!(\n                    \"Offset 0x{:03x}\",\n                    current_x_hover * cols + current_y_hover\n                ));\n            });\n    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std::ffi::OsString;\nuse std::fs::read_dir;\nuse std::path::PathBuf;\nuse imgui::Ui;\nuse log::debug;\n\npub struct GuiFileList {}\n\nimpl GuiFileList {\n    pub fn display_path(root: PathBuf, selected_filename: \u0026String, ui: \u0026Ui) -\u003e String {\n        let mut working_filename = selected_filename.clone();\n        ui.text(format!(\"Displaying {}\", root.to_str().unwrap_or(\"Unable to parse path\")));\n\n        let mut known_files: Vec\u003cOsString\u003e = vec![];\n\n     //   println!(\"STARTING AT {:?}\", std::env::current_dir());\n        for entry in read_dir(root.as_path()).unwrap() {\n            known_files.push(entry.unwrap().file_name());\n        }\n\n        known_files.sort();\n\n        for (index, entry) in known_files.iter().enumerate() {\n            let mut working_select = ui.selectable_config(entry.clone().into_string().unwrap().to_string());\n            if *entry.to_str().unwrap() == *selected_filename.as_str() {\n                working_select = working_select.selected(true);\n            }\n            if working_select.build() {\n                debug!(\"SELECTED {index} / {entry:?}\");\n                working_filename = entry.clone().into_string().unwrap();\n            };\n        }\n        working_filename\n    }\n}\n","traces":[{"line":10,"address":[3978804,3974832,3978665],"length":1,"stats":{"Line":0}},{"line":11,"address":[3974906,3974993],"length":1,"stats":{"Line":0}},{"line":12,"address":[3975435,3975298,3975078,3975001],"length":1,"stats":{"Line":0}},{"line":14,"address":[3975450],"length":1,"stats":{"Line":0}},{"line":17,"address":[3975616,3976019,3976048,3975465,3975860],"length":1,"stats":{"Line":0}},{"line":18,"address":[3978674],"length":1,"stats":{"Line":0}},{"line":21,"address":[3976296],"length":1,"stats":{"Line":0}},{"line":23,"address":[3976660,3976350,3977656],"length":1,"stats":{"Line":0}},{"line":24,"address":[3976769,3976692,3977017],"length":1,"stats":{"Line":0}},{"line":25,"address":[3977193,3977633,3977382],"length":1,"stats":{"Line":0}},{"line":26,"address":[3977515],"length":1,"stats":{"Line":0}},{"line":28,"address":[3977642,3977440,3978642],"length":1,"stats":{"Line":0}},{"line":29,"address":[3977781,3977661,3978050],"length":1,"stats":{"Line":0}},{"line":30,"address":[3978255,3978484,3977713],"length":1,"stats":{"Line":0}},{"line":33,"address":[3976614],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":15},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","mod.rs"],"content":"use glium::glutin::surface::WindowSurface;\nuse glium::{Display, Surface};\nuse imgui::{Context, FontConfig, FontGlyphRanges, FontSource, Ui};\nuse imgui_glium_renderer::Renderer;\nuse imgui_winit_support::winit::event::{Event, WindowEvent};\nuse imgui_winit_support::winit::event_loop::EventLoop;\nuse imgui_winit_support::winit::window::WindowBuilder;\nuse imgui_winit_support::{HiDpiMode, WinitPlatform};\nuse std::path::Path;\nuse std::time::Instant;\n\npub mod ui_state;\npub mod emmagui_support;\nmod gui_file_list;\n\nuse copypasta::{ClipboardContext, ClipboardProvider};\nuse imgui::ClipboardBackend;\n\npub struct ClipboardSupport(pub ClipboardContext);\n\npub fn clipboard_init() -\u003e Option\u003cClipboardSupport\u003e {\n    ClipboardContext::new().ok().map(ClipboardSupport)\n}\n\nimpl ClipboardBackend for ClipboardSupport {\n    fn get(\u0026mut self) -\u003e Option\u003cString\u003e {\n        self.0.get_contents().ok()\n    }\n    fn set(\u0026mut self, text: \u0026str) {\n        // ignore errors?\n        let _ = self.0.set_contents(text.to_owned());\n    }\n}\n\npub const FONT_SIZE: f32 = 13.0;\n\n#[allow(dead_code)] // annoyingly, RA yells that this is unusued\npub fn simple_init\u003cF: FnMut(\u0026mut bool, \u0026mut Ui) + 'static\u003e(title: \u0026str, run_ui: F) {\n    init_with_startup(title, |_, _, _| {}, run_ui);\n}\n\npub fn init_with_startup\u003cFInit, FUi\u003e(title: \u0026str, mut startup: FInit, mut run_ui: FUi)\nwhere\n    FInit: FnMut(\u0026mut Context, \u0026mut Renderer, \u0026Display\u003cWindowSurface\u003e) + 'static,\n    FUi: FnMut(\u0026mut bool, \u0026mut Ui) + 'static,\n{\n    let mut imgui = create_context();\n\n    let title = match Path::new(\u0026title).file_name() {\n        Some(file_name) =\u003e file_name.to_str().unwrap(),\n        None =\u003e title,\n    };\n    let event_loop = EventLoop::new().expect(\"Failed to create EventLoop\");\n\n    let builder = WindowBuilder::new()\n        .with_maximized(true)\n        .with_title(title);\n      //  .with_inner_size(LogicalSize::new(1024, 768));\n    let (window, display) = glium::backend::glutin::SimpleWindowBuilder::new()\n        .set_window_builder(builder)\n        .build(\u0026event_loop);\n    let mut renderer = Renderer::init(\u0026mut imgui, \u0026display).expect(\"Failed to initialize renderer\");\n\n    if let Some(backend) = clipboard_init() {\n        imgui.set_clipboard_backend(backend);\n    } else {\n        eprintln!(\"Failed to initialize clipboard\");\n    }\n\n    let mut platform = WinitPlatform::init(\u0026mut imgui);\n    {\n        let dpi_mode = if let Ok(factor) = std::env::var(\"IMGUI_EXAMPLE_FORCE_DPI_FACTOR\") {\n            // Allow forcing of HiDPI factor for debugging purposes\n            match factor.parse::\u003cf64\u003e() {\n                Ok(f) =\u003e HiDpiMode::Locked(f),\n                Err(e) =\u003e panic!(\"Invalid scaling factor: {}\", e),\n            }\n        } else {\n            HiDpiMode::Default\n        };\n\n        platform.attach_window(imgui.io_mut(), \u0026window, dpi_mode);\n    }\n\n    let mut last_frame = Instant::now();\n\n    startup(\u0026mut imgui, \u0026mut renderer, \u0026display);\n\n    event_loop\n        .run(move |event, window_target| match event {\n            Event::NewEvents(_) =\u003e {\n                let now = Instant::now();\n                imgui.io_mut().update_delta_time(now - last_frame);\n                last_frame = now;\n            }\n            Event::AboutToWait =\u003e {\n                platform\n                    .prepare_frame(imgui.io_mut(), \u0026window)\n                    .expect(\"Failed to prepare frame\");\n                window.request_redraw();\n            }\n            Event::WindowEvent {\n                event: WindowEvent::RedrawRequested,\n                ..\n            } =\u003e {\n                let ui = imgui.frame();\n\n                let mut run = true;\n                run_ui(\u0026mut run, ui);\n                if !run {\n                    window_target.exit();\n                }\n\n                let mut target = display.draw();\n                target.clear_color_srgb(1.0, 1.0, 1.0, 1.0);\n                platform.prepare_render(ui, \u0026window);\n                let draw_data = imgui.render();\n                renderer\n                    .render(\u0026mut target, draw_data)\n                    .expect(\"Rendering failed\");\n                target.finish().expect(\"Failed to swap buffers\");\n            }\n            Event::WindowEvent {\n                event: WindowEvent::Resized(new_size),\n                ..\n            } =\u003e {\n                if new_size.width \u003e 0 \u0026\u0026 new_size.height \u003e 0 {\n                    display.resize((new_size.width, new_size.height));\n                }\n                platform.handle_event(imgui.io_mut(), \u0026window, \u0026event);\n            }\n            Event::WindowEvent {\n                event: WindowEvent::CloseRequested,\n                ..\n            } =\u003e window_target.exit(),\n            event =\u003e {\n                platform.handle_event(imgui.io_mut(), \u0026window, \u0026event);\n            }\n        })\n        .expect(\"EventLoop error\");\n}\n\n/// Creates the imgui context\npub fn create_context() -\u003e imgui::Context {\n    let mut imgui = Context::create();\n    // Fixed font size. Note imgui_winit_support uses \"logical\n    // pixels\", which are physical pixels scaled by the devices\n    // scaling factor. Meaning, 13.0 pixels should look the same size\n    // on two different screens, and thus we do not need to scale this\n    // value (as the scaling is handled by winit)\n    imgui.fonts().add_font(\u0026[\n        FontSource::TtfData {\n            data: include_bytes!(\"../../../../resources/Roboto-Regular.ttf\"),\n            size_pixels: FONT_SIZE,\n            config: Some(FontConfig {\n                // As imgui-glium-renderer isn't gamma-correct with\n                // it's font rendering, we apply an arbitrary\n                // multiplier to make the font a bit \"heavier\". With\n                // default imgui-glow-renderer this is unnecessary.\n                rasterizer_multiply: 1.5,\n                // Oversampling font helps improve text rendering at\n                // expense of larger font atlas texture.\n                oversample_h: 4,\n                oversample_v: 4,\n                ..FontConfig::default()\n            }),\n        },\n        FontSource::TtfData {\n            data: include_bytes!(\"../../../../resources/mplus-1p-regular.ttf\"),\n            size_pixels: FONT_SIZE,\n            config: Some(FontConfig {\n                // Oversampling font helps improve text rendering at\n                // expense of larger font atlas texture.\n                oversample_h: 4,\n                oversample_v: 4,\n                // Range of glyphs to rasterize\n                glyph_ranges: FontGlyphRanges::japanese(),\n                ..FontConfig::default()\n            }),\n        },\n    ]);\n    imgui.set_ini_filename(None);\n\n    imgui\n}\n","traces":[{"line":21,"address":[4314784],"length":1,"stats":{"Line":0}},{"line":22,"address":[4314801],"length":1,"stats":{"Line":0}},{"line":26,"address":[4314864],"length":1,"stats":{"Line":0}},{"line":27,"address":[4314883],"length":1,"stats":{"Line":0}},{"line":29,"address":[4314928],"length":1,"stats":{"Line":0}},{"line":31,"address":[4314951],"length":1,"stats":{"Line":0}},{"line":38,"address":[],"length":0,"stats":{"Line":0}},{"line":39,"address":[],"length":0,"stats":{"Line":0}},{"line":42,"address":[3285079,3286062,3283008],"length":1,"stats":{"Line":0}},{"line":47,"address":[],"length":0,"stats":{"Line":0}},{"line":49,"address":[3283313,3283220],"length":1,"stats":{"Line":0}},{"line":50,"address":[3283621,3283435],"length":1,"stats":{"Line":0}},{"line":51,"address":[],"length":0,"stats":{"Line":0}},{"line":53,"address":[],"length":0,"stats":{"Line":0}},{"line":55,"address":[],"length":0,"stats":{"Line":0}},{"line":57,"address":[3283819,3283776],"length":1,"stats":{"Line":0}},{"line":59,"address":[],"length":0,"stats":{"Line":0}},{"line":60,"address":[],"length":0,"stats":{"Line":0}},{"line":61,"address":[],"length":0,"stats":{"Line":0}},{"line":62,"address":[3284095,3284143],"length":1,"stats":{"Line":0}},{"line":64,"address":[],"length":0,"stats":{"Line":0}},{"line":65,"address":[],"length":0,"stats":{"Line":0}},{"line":67,"address":[],"length":0,"stats":{"Line":0}},{"line":70,"address":[],"length":0,"stats":{"Line":0}},{"line":72,"address":[],"length":0,"stats":{"Line":0}},{"line":74,"address":[],"length":0,"stats":{"Line":0}},{"line":75,"address":[],"length":0,"stats":{"Line":0}},{"line":76,"address":[3284821,3285001],"length":1,"stats":{"Line":0}},{"line":79,"address":[],"length":0,"stats":{"Line":0}},{"line":82,"address":[],"length":0,"stats":{"Line":0}},{"line":85,"address":[],"length":0,"stats":{"Line":0}},{"line":87,"address":[],"length":0,"stats":{"Line":0}},{"line":89,"address":[],"length":0,"stats":{"Line":0}},{"line":90,"address":[],"length":0,"stats":{"Line":0}},{"line":91,"address":[],"length":0,"stats":{"Line":0}},{"line":92,"address":[],"length":0,"stats":{"Line":0}},{"line":93,"address":[3286588],"length":1,"stats":{"Line":0}},{"line":94,"address":[3286703],"length":1,"stats":{"Line":0}},{"line":96,"address":[],"length":0,"stats":{"Line":0}},{"line":97,"address":[],"length":0,"stats":{"Line":0}},{"line":98,"address":[],"length":0,"stats":{"Line":0}},{"line":99,"address":[],"length":0,"stats":{"Line":0}},{"line":100,"address":[],"length":0,"stats":{"Line":0}},{"line":102,"address":[],"length":0,"stats":{"Line":0}},{"line":103,"address":[],"length":0,"stats":{"Line":0}},{"line":104,"address":[],"length":0,"stats":{"Line":0}},{"line":105,"address":[],"length":0,"stats":{"Line":0}},{"line":106,"address":[],"length":0,"stats":{"Line":0}},{"line":108,"address":[],"length":0,"stats":{"Line":0}},{"line":109,"address":[],"length":0,"stats":{"Line":0}},{"line":110,"address":[],"length":0,"stats":{"Line":0}},{"line":111,"address":[],"length":0,"stats":{"Line":0}},{"line":114,"address":[],"length":0,"stats":{"Line":0}},{"line":115,"address":[3287075],"length":1,"stats":{"Line":0}},{"line":116,"address":[],"length":0,"stats":{"Line":0}},{"line":117,"address":[],"length":0,"stats":{"Line":0}},{"line":118,"address":[3287245],"length":1,"stats":{"Line":0}},{"line":119,"address":[],"length":0,"stats":{"Line":0}},{"line":120,"address":[],"length":0,"stats":{"Line":0}},{"line":121,"address":[3287309],"length":1,"stats":{"Line":0}},{"line":123,"address":[],"length":0,"stats":{"Line":0}},{"line":124,"address":[],"length":0,"stats":{"Line":0}},{"line":125,"address":[],"length":0,"stats":{"Line":0}},{"line":126,"address":[],"length":0,"stats":{"Line":0}},{"line":127,"address":[],"length":0,"stats":{"Line":0}},{"line":128,"address":[],"length":0,"stats":{"Line":0}},{"line":130,"address":[3286838,3286942],"length":1,"stats":{"Line":0}},{"line":132,"address":[],"length":0,"stats":{"Line":0}},{"line":133,"address":[],"length":0,"stats":{"Line":0}},{"line":134,"address":[],"length":0,"stats":{"Line":0}},{"line":135,"address":[],"length":0,"stats":{"Line":0}},{"line":136,"address":[],"length":0,"stats":{"Line":0}},{"line":137,"address":[],"length":0,"stats":{"Line":0}},{"line":144,"address":[4316556,4315008],"length":1,"stats":{"Line":0}},{"line":145,"address":[4315025],"length":1,"stats":{"Line":0}},{"line":151,"address":[4315049,4316150],"length":1,"stats":{"Line":0}},{"line":152,"address":[4315448],"length":1,"stats":{"Line":0}},{"line":155,"address":[4315125],"length":1,"stats":{"Line":0}},{"line":165,"address":[4315106],"length":1,"stats":{"Line":0}},{"line":168,"address":[4316016],"length":1,"stats":{"Line":0}},{"line":171,"address":[4315701],"length":1,"stats":{"Line":0}},{"line":177,"address":[4315582],"length":1,"stats":{"Line":0}},{"line":178,"address":[4315667],"length":1,"stats":{"Line":0}},{"line":182,"address":[4316495],"length":1,"stats":{"Line":0}},{"line":184,"address":[4316528],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":85},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmaimgui","src","bin","support","ui_state.rs"],"content":"use imgui::ImColor32;\nuse std::path::PathBuf;\nuse std::time::Instant;\n\npub const ROMPATH_DEFAULT: \u0026str = \"resources/roms\";\n\npub struct ImGuiUiState {\n    pub show_registers: bool,\n    pub show_memory: bool,\n    pub show_video: bool,\n    pub show_keypad: bool,\n    pub filename_to_load: String,\n    pub on_colour: ImColor32,\n    pub off_colour: ImColor32,\n    pub is_running: bool,\n    pub frame_time: u32,\n    pub last_frame_instant: Instant,\n    pub target_ips: i32,\n    pub roms_root_path: PathBuf\n}\n\nimpl Clone for ImGuiUiState {\n    fn clone(\u0026self) -\u003e Self {\n        ImGuiUiState {\n            show_registers: self.show_registers,\n            show_memory: self.show_memory,\n            show_video: self.show_video,\n            show_keypad: self.show_keypad,\n            filename_to_load: self.filename_to_load.to_string(),\n            on_colour: self.on_colour,\n            off_colour: self.off_colour,\n            is_running: self.is_running,\n            frame_time: self.frame_time,\n            last_frame_instant: self.last_frame_instant,\n            target_ips: self.target_ips,\n            roms_root_path: self.roms_root_path.to_owned()\n        }\n    }\n}\n\nimpl Default for ImGuiUiState {\n    fn default() -\u003e Self {\n        ImGuiUiState {\n            show_registers: false,\n            show_memory: false,\n            show_video: true,\n            show_keypad: true,\n            filename_to_load: String::new(),\n            on_colour: ImColor32::from_rgb(0xff, 0xff, 0x00),\n            off_colour: ImColor32::from_rgb(0x00, 0xff, 0xff),\n            is_running: false,\n            frame_time: 16,\n            last_frame_instant: Instant::now(),\n            target_ips: 200000,\n            roms_root_path: PathBuf::from(ROMPATH_DEFAULT)\n        }\n    }\n}\n\nimpl ImGuiUiState {\n    pub fn new(rom_path: Option\u003cPathBuf\u003e) -\u003e ImGuiUiState {\n        let unwrapped = rom_path.clone().unwrap_or(PathBuf::from(ROMPATH_DEFAULT));\n\n        println!(\"UNWRAPPED =\u003e [{:?}]\", unwrapped);\n\n        ImGuiUiState {\n            roms_root_path: rom_path.unwrap_or(PathBuf::from(ROMPATH_DEFAULT)),\n            ..Default::default()\n        }\n    }\n}\n","traces":[{"line":19,"address":[4009216],"length":1,"stats":{"Line":0}},{"line":21,"address":[4009245],"length":1,"stats":{"Line":0}},{"line":22,"address":[4009249],"length":1,"stats":{"Line":0}},{"line":23,"address":[4009253],"length":1,"stats":{"Line":0}},{"line":24,"address":[4009257],"length":1,"stats":{"Line":0}},{"line":25,"address":[4009260],"length":1,"stats":{"Line":0}},{"line":26,"address":[4009284],"length":1,"stats":{"Line":0}},{"line":27,"address":[4009288],"length":1,"stats":{"Line":0}},{"line":28,"address":[4009292],"length":1,"stats":{"Line":0}},{"line":29,"address":[4009296],"length":1,"stats":{"Line":0}},{"line":30,"address":[4009300],"length":1,"stats":{"Line":0}},{"line":31,"address":[4009307],"length":1,"stats":{"Line":0}},{"line":37,"address":[4009408,4009634],"length":1,"stats":{"Line":0}},{"line":43,"address":[4009427],"length":1,"stats":{"Line":0}},{"line":44,"address":[4009439],"length":1,"stats":{"Line":0}},{"line":45,"address":[4009494],"length":1,"stats":{"Line":0}},{"line":48,"address":[4009507],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":17},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmatelnet","src","bin","gemmatelnetd.rs"],"content":"use std::io::{BufRead, BufReader, Write};\nuse std::net::{TcpListener, TcpStream};\nuse std::thread;\nuse gemma::chip8::computer_manager::Chip8ComputerManager;\nuse gemma::chip8::quirk_modes::QuirkMode;\nuse gemmatelnet::client_handler::handle_client;\nuse log::info;\nuse clap::Parser;\n\nconst LISTEN_HOST: \u0026str = \"0.0.0.0\";\nconst LISTEN_PORT: u32 = 1420;\n\n#[derive(Parser, Debug)]\n#[command(name = \"myapp\")]\n#[command(about = \"Does awesome things\", long_about = None)]\nstruct Cli {\n    #[arg(long, default_value = \"0.0.0.0\")]\n    host: Option\u003cString\u003e,\n    #[arg(long, default_value = \"1420\")]\n    port: Option\u003cu32\u003e,\n}\n\nimpl Cli {\n    pub fn host(\u0026self) -\u003e String {\n        self.host.clone().unwrap_or(LISTEN_HOST.into())\n    }\n    pub fn port(\u0026self) -\u003e u32 {\n        self.port.unwrap_or(LISTEN_PORT.into())\n    }\n}\n\nfn main() -\u003e std::io::Result\u003c()\u003e {\n    let config = Cli::parse();\n\n    let listener = TcpListener::bind(format!(\"{}:{}\", config.host(), config.port()))?;\n    println!(\"Listening to {}:{}\", LISTEN_HOST, LISTEN_PORT);\n\n    for stream in listener.incoming() {\n        match stream {\n            Ok(stream) =\u003e {\n                thread::spawn(|| handle_client(stream));\n            }\n            Err(e) =\u003e {\n                eprintln!(\"Connection Failed -\u003e {}\", e);\n            }\n        }\n    }\n\n    Ok(())\n}","traces":[{"line":1,"address":[116080,116128],"length":1,"stats":{"Line":1}},{"line":2,"address":[116084],"length":1,"stats":{"Line":0}}],"covered":1,"coverable":2},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","bin2hex.rs"],"content":"use clap::{Arg, Command};\nuse std::fs::File;\nuse std::io;\nuse std::io::{BufReader, Read};\n\n#[derive(Debug)]\nstruct CliArgs {\n    input: String,\n}\n\nfn main() {\n    println!(\"Taxation is Theft!\");\n    // Set up the command line arguments\n    let matches = Command::new(\"my_program\")\n        .about(\"Processes an input file and outputs it with a specified bit width\")\n        .arg(\n            Arg::new(\"input\")\n                .help(\"The input file to process\")\n                .required(true)\n                .index(1),\n        )\n        .get_matches();\n\n    // Parse the command-line arguments\n    let args = CliArgs {\n        input: matches.get_one::\u003cString\u003e(\"input\").unwrap().to_string(),\n    };\n\n    // Use the parsed arguments\n    println!(\"Input file: {}\", args.input);\n\n    // behave like a shift register and load each character from the file 1 by 1.\n    let results = read_file_to_bools(\u0026args.input);\n    for result in results.unwrap().bytes() {\n        print!(\"0x{:02x}, \", result.unwrap());\n    }\n}\n\nfn read_file_to_bools(file_path: \u0026str) -\u003e io::Result\u003cVec\u003cu8\u003e\u003e {\n    // Open the file\n    let file = File::open(file_path)?;\n    let mut reader = BufReader::new(file);\n\n    let mut bytes = Vec::new();\n    reader.read_to_end(\u0026mut bytes)?;\n\n    let mut output = Vec::new();\n    let mut current_byte = 0u8;\n    let mut bit_index = 0;\n\n    for \u0026byte in \u0026bytes {\n        // Convert ASCII character '1' or '0' to boolean, skip any other characters\n        let bit = match byte {\n            b'1' =\u003e true,\n            b'0' =\u003e false,\n            _ =\u003e continue, // Skip non-'1' or '0' characters\n        };\n\n        // Set the appropriate bit in the current byte\n        if bit {\n            current_byte |= 1 \u003c\u003c (7 - bit_index); // Set the bit at the correct position\n        }\n\n        bit_index += 1;\n\n        // Once we have filled 8 bits, push the byte and reset\n        if bit_index == 8 {\n            output.push(current_byte);\n            current_byte = 0;\n            bit_index = 0;\n        }\n    }\n\n    // If there are remaining bits, push the last byte (it will be partially filled)\n    if bit_index \u003e 0 {\n        output.push(current_byte);\n    }\n\n    Ok(output)\n}\n","traces":[{"line":11,"address":[244912,247058],"length":1,"stats":{"Line":0}},{"line":12,"address":[244934],"length":1,"stats":{"Line":0}},{"line":14,"address":[244991,245315,245240],"length":1,"stats":{"Line":0}},{"line":17,"address":[245073,245145],"length":1,"stats":{"Line":0}},{"line":27,"address":[245497,245328],"length":1,"stats":{"Line":0}},{"line":31,"address":[245724],"length":1,"stats":{"Line":0}},{"line":34,"address":[245801],"length":1,"stats":{"Line":0}},{"line":35,"address":[246070,246313,246173],"length":1,"stats":{"Line":0}},{"line":36,"address":[246568,246949,246685],"length":1,"stats":{"Line":0}},{"line":39,"address":[247104,248192,248248],"length":1,"stats":{"Line":0}},{"line":41,"address":[247235,247137],"length":1,"stats":{"Line":0}},{"line":42,"address":[247203],"length":1,"stats":{"Line":0}},{"line":44,"address":[247314],"length":1,"stats":{"Line":0}},{"line":45,"address":[247442,247536,247374],"length":1,"stats":{"Line":0}},{"line":47,"address":[247524],"length":1,"stats":{"Line":0}},{"line":48,"address":[247569],"length":1,"stats":{"Line":0}},{"line":49,"address":[247577],"length":1,"stats":{"Line":0}},{"line":51,"address":[247596,247761,247667],"length":1,"stats":{"Line":0}},{"line":53,"address":[247782],"length":1,"stats":{"Line":0}},{"line":54,"address":[247950],"length":1,"stats":{"Line":0}},{"line":55,"address":[247960],"length":1,"stats":{"Line":0}},{"line":60,"address":[248077,247968],"length":1,"stats":{"Line":0}},{"line":61,"address":[248079,247998],"length":1,"stats":{"Line":0}},{"line":64,"address":[248101,247978,248123],"length":1,"stats":{"Line":0}},{"line":67,"address":[248108,248187],"length":1,"stats":{"Line":0}},{"line":68,"address":[248141],"length":1,"stats":{"Line":0}},{"line":69,"address":[248168],"length":1,"stats":{"Line":0}},{"line":70,"address":[248176],"length":1,"stats":{"Line":0}},{"line":75,"address":[247749],"length":1,"stats":{"Line":0}},{"line":76,"address":[247885],"length":1,"stats":{"Line":0}},{"line":81,"address":[247811],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":31},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","ch8asm.rs"],"content":"use gemma::chip8::util::InstructionUtil;\nuse gemma::chip8::{instructions::Chip8CpuInstructions, quirk_modes::QuirkMode};\nuse std::fs::{self, File};\nuse std::io::Write;\n// Ch8Asm\n// Converts well formed CH8ASM.\n// no variables.\n// no labels.\n// nothing fun.\n// VALID FORMAT\n// \u003cINSTRUCTION\u003e \u003c0x|0X\u003e\u003cparameter\u003e[, ][\u003c0x|OX\u003e\u003cparameter\u003e[, ][\u003c0x|OX\u003e\u003cparameter\u003e]][; comment]\nuse pest::Parser;\nuse pest_derive::Parser;\n#[derive(Parser)]\n#[grammar = \"chip8_asm.pest\"]\npub struct Chip8AsmParser;\n\nfn main() {\n    println!(\"Taxation is Theft\");\n\n    let unparsed = fs::read_to_string(\"resources/test/asm/gemma_disassembler_manual_document.asm8\")\n        .expect(\"Unable to read input\");\n\n    let file = Chip8AsmParser::parse(Rule::file, \u0026unparsed)\n        .expect(\"Unable to parse.  Try again.\")\n        .next()\n        .unwrap();\n\n    println!(\"PREPARING TO WRITE THE TARGET FILE...\");\n    let mut target_file = File::create(\"thisismytarget.ch8\").expect(\"Unable to create target\");\n\n    for record in file.into_inner() {\n        //  let mut working_instruction = Chip8CpuInstructions::XXXXERRORINSTRUCTION;\n        match record.as_rule() {\n            Rule::record =\u003e {\n                print!(\"record = {:?}\\t\", record.as_str());\n                let x = Chip8CpuInstructions::from_str(record.as_str());\n                println!(\"DECODED TO {:?} {:04x}\", x, x.encode());\n                let (low, high) = InstructionUtil::split_bytes(x.encode());\n                target_file\n                    .write_all(\u0026[high, low])\n                    .expect(\"Unable to write to the file.\");\n            }\n            _ =\u003e {}\n        }\n    }\n}\n","traces":[{"line":14,"address":[366113,366019,364768],"length":1,"stats":{"Line":0}},{"line":15,"address":[364775],"length":1,"stats":{"Line":0}},{"line":17,"address":[364831],"length":1,"stats":{"Line":0}},{"line":19,"address":[364902,364978],"length":1,"stats":{"Line":0}},{"line":22,"address":[365237,365472,365428,366057],"length":1,"stats":{"Line":0}},{"line":23,"address":[365536,365619],"length":1,"stats":{"Line":0}},{"line":25,"address":[365764,365640,365891],"length":1,"stats":{"Line":0}},{"line":28,"address":[365719,366028],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":8},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","src","bin","ch8disasm.rs"],"content":"use std::path::Path;\nuse clap::{command, Parser};\nuse gemma::chip8::instructions::Chip8CpuInstructions;\nuse gemma::chip8::instructions::Chip8CpuInstructions::XXXXERRORINSTRUCTION;\nuse gemma::chip8::quirk_modes::QuirkMode::Chip8;\n\n/// ch8disasm\n///\n/// Provide disassembled version of the CH8 file provided.\n#[derive(Parser)]\n#[command(version, about, long_about = None)]\nstruct DisassemblerApp {\n    #[arg(short)]\n    input_file: Box\u003cPath\u003e,\n    #[arg(short)]\n    output_file: Option\u003cBox\u003cPath\u003e\u003e,\n}\n\nstruct Disassembler {}\nimpl Disassembler {\n    pub fn disassemble(from_data: Vec\u003cu8\u003e) -\u003e String {\n        let mut working_instruction: u16 = 0x0000;\n\n        // read the input data and loop through it byte by byte.\n        let mut output_string = String::new();\n\n        for (offset, byte) in from_data.iter().enumerate() {\n            working_instruction = (working_instruction \u003c\u003c 8) | (*byte as u16);\n            if offset % 2 != 0 {\n                let decoded = Chip8CpuInstructions::decode(working_instruction, \u0026Chip8);\n                let decoded_string = decoded.to_string();\n                let mut current_parts = String::new();\n\n                match decoded {\n                    XXXXERRORINSTRUCTION =\u003e {\n                        current_parts = format!(\"DW 0x{:04x}\", working_instruction);\n                    }\n                    _ =\u003e {\n                        current_parts = format!(\"{}\", decoded);\n                    }\n                };\n\n                let target_length: i32 = 25;\n                let spacing_length = target_length.saturating_sub(current_parts.len() as i32);\n\n                // now add the rest after the string\n                let x = spacing_length as usize;\n                current_parts = format!(\"{}{:\u003cx$}; Bytes [0x{:04x}] offset [0x{:04x}]\\n\", current_parts, \" \", working_instruction, offset -1);\n                //   println!(\"SHOULD OUTPUT: [{current_parts}]\");\n                output_string = output_string.to_string() + \u0026*current_parts.to_string();\n\n                working_instruction = 0x0000;\n            }\n        }\n\n        output_string\n    }\n}\n\nfn main() {\n    println!(\"Taxation is Theft\");\n    let result = DisassemblerApp::parse();\n    println!(\"PREPARING TO DISASSEMBLE {:?}\", result.input_file.file_name());\n\n\n    let source_file = result.input_file.to_str().unwrap();\n    let decompiled_program = Disassembler::disassemble(\n        std::fs::read(source_file).unwrap()\n    );\n\n    match result.output_file {\n        None =\u003e {\n            println!(\"Output to console.\");\n            println!(\"OS: \\n\\n{}\", decompiled_program);\n        }\n        Some(target) =\u003e {\n            println!(\"Output to {:?}\", target);\n            std::fs::write(target, decompiled_program).unwrap();\n        }\n    }\n}","traces":[{"line":21,"address":[376560,380976],"length":1,"stats":{"Line":0}},{"line":22,"address":[376602],"length":1,"stats":{"Line":0}},{"line":25,"address":[376628],"length":1,"stats":{"Line":0}},{"line":27,"address":[376687,376759,377041],"length":1,"stats":{"Line":0}},{"line":28,"address":[377083],"length":1,"stats":{"Line":0}},{"line":29,"address":[377129],"length":1,"stats":{"Line":0}},{"line":30,"address":[377143],"length":1,"stats":{"Line":0}},{"line":31,"address":[377214],"length":1,"stats":{"Line":0}},{"line":32,"address":[377229],"length":1,"stats":{"Line":0}},{"line":34,"address":[377280],"length":1,"stats":{"Line":0}},{"line":36,"address":[377986,377568,377832],"length":1,"stats":{"Line":0}},{"line":38,"address":[378414],"length":1,"stats":{"Line":0}},{"line":39,"address":[378272,378151],"length":1,"stats":{"Line":0}},{"line":43,"address":[376591],"length":1,"stats":{"Line":0}},{"line":44,"address":[378424,378136,378492],"length":1,"stats":{"Line":0}},{"line":47,"address":[378499],"length":1,"stats":{"Line":0}},{"line":48,"address":[380403,378984,380156,379692,379924,378841,379080,379460],"length":1,"stats":{"Line":0}},{"line":50,"address":[380545,380935],"length":1,"stats":{"Line":0}},{"line":52,"address":[380884],"length":1,"stats":{"Line":0}},{"line":56,"address":[376984],"length":1,"stats":{"Line":0}},{"line":60,"address":[382871,382801,381008],"length":1,"stats":{"Line":0}},{"line":61,"address":[381015],"length":1,"stats":{"Line":0}},{"line":62,"address":[381079],"length":1,"stats":{"Line":0}},{"line":63,"address":[381333,381100,381207],"length":1,"stats":{"Line":0}},{"line":66,"address":[381402,381554],"length":1,"stats":{"Line":0}},{"line":68,"address":[381578],"length":1,"stats":{"Line":0}},{"line":72,"address":[381843],"length":1,"stats":{"Line":0}},{"line":74,"address":[382105,381872],"length":1,"stats":{"Line":0}},{"line":75,"address":[382234],"length":1,"stats":{"Line":0}},{"line":77,"address":[381901],"length":1,"stats":{"Line":0}},{"line":78,"address":[382385],"length":1,"stats":{"Line":0}},{"line":79,"address":[382454],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":32},{"path":["/","home","tmerritt","Projects","trevors_chip8_toy","gemmautil","tests","assmber_tests.rs"],"content":"","traces":[],"covered":0,"coverable":0}]};
     </script>
     <script crossorigin>/** @license React v16.13.1
  * react.production.min.js
diff --git a/gemma/Cargo.toml b/gemma/Cargo.toml
index b602875..6a8fe48 100644
--- a/gemma/Cargo.toml
+++ b/gemma/Cargo.toml
@@ -15,4 +15,6 @@ flate2.workspace = true
 clap.workspace = true
 hex.workspace = true
 log.workspace = true
+# Testing
 tempfile.workspace = true
+lipsum.workspace = true
diff --git a/gemma/src/bin/testcompression.rs b/gemma/src/bin/testcompression.rs
index dcf1483..3da84c4 100644
--- a/gemma/src/bin/testcompression.rs
+++ b/gemma/src/bin/testcompression.rs
@@ -17,7 +17,6 @@
 ///  - Uncompressed files must only contain printable ASCII characters
 ///  - Stuff I don't know about yet
 
-
 use std::fs;
 use std::fs::File;
 use clap::{Parser, Subcommand};
@@ -33,6 +32,7 @@ use std::io::prelude::*;
 use std::io;
 use std::ptr::write;
 use log::{debug, info};
+use gemma::test_compression::TestCompression;
 
 #[derive(Parser)]
 #[command(author, version, about = "Compress or decompress a string", long_about = None)]
@@ -56,52 +56,6 @@ enum Commands {
     }
 }
 
-fn compress_file(input_path: &PathBuf) -> io::Result<()> {
-    let compressed_bytes= compress_file_to_array(input_path);
-    let output_filename = input_path.with_extension("deflated");
-    let mut output_file = File::create(&output_filename)?;
-    output_file.write_all(&compressed_bytes.unwrap())?;
-    Ok(())
-}
-
-fn compress_file_to_array(input_path: &Path) -> Result<Vec<u8>, String> {
-    let mut file = File::open(input_path)
-        .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to open input path [{}]: {}", input_path.display(), e)));
-
-    let mut read_buffer = Vec::new();
-    let mut write_buffer = Vec::new();
-    file.unwrap().read_to_end(&mut read_buffer)
-        .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to read input file [{}]: {}", input_path.display(), e)));
-
-    let mut encoder = DeflateEncoder::new(read_buffer, Compression::default());
-    encoder.write_all(&write_buffer)
-        .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to compress data for [{}]: {}", input_path.display(), e)));
-
-    debug!("Compressed file from path: {}", input_path.display());
-    Ok(write_buffer)
-}
-
-fn decompress_file_to_array(input_path: &Path) -> Vec<u8> {
-    let file = File::open(input_path)
-        .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to open input path [{}]: {}", input_path.display(), e)));
-
-    let mut decoder = DeflateDecoder::new(file.unwrap());
-    let mut return_vec = Vec::new();
-    decoder.read_to_end(&mut return_vec)
-        .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to decompress data for [{}]: {}", input_path.display(), e)));
-
-    debug!("Decompressed file from path: {}", input_path.display());
-    return_vec
-}
-
-fn decompress_file(input_path: &PathBuf) -> io::Result<()> {
-    let decompressed_bytes = decompress_file_to_array(input_path);
-    let output_path = input_path.with_extension("inflated");
-    let mut output_file = File::create(&output_path)?;
-    output_file.write_all(&decompressed_bytes).expect(format!("Unable to write compressed data to [{}]", output_path.display()).as_str());
-    Ok(())
-}
-
 fn main() {
     pretty_env_logger::init();
 
@@ -109,10 +63,10 @@ fn main() {
 
     match cli.command {
         Commands::Compress { input } => {
-            compress_file(&input).expect(format!("Unable to compress {}", input.display()).as_str());
+            TestCompression::compress_file(&input).expect(format!("Unable to compress {}", input.display()).as_str());
         }
         Commands::Decompress { input } => {
-            decompress_file(&input).expect(format!("Unable to decompress {}", input.display()).as_str());
+            TestCompression::decompress_file(&input).expect(format!("Unable to decompress {}", input.display()).as_str());
         }
     }
 }
diff --git a/gemma/src/lib.rs b/gemma/src/lib.rs
index 1f26cfb..f67c9f0 100644
--- a/gemma/src/lib.rs
+++ b/gemma/src/lib.rs
@@ -15,4 +15,5 @@ pub mod chip8 {
     pub mod quirk_modes;
 }
 
-pub mod constants;
\ No newline at end of file
+pub mod constants;
+pub mod test_compression;
diff --git a/gemma/src/test_compression.rs b/gemma/src/test_compression.rs
new file mode 100644
index 0000000..f8e2a47
--- /dev/null
+++ b/gemma/src/test_compression.rs
@@ -0,0 +1,74 @@
+use std::fs::File;
+use std::io;
+use std::io::{Read, Write};
+use std::path::{Path, PathBuf};
+use flate2::Compression;
+use flate2::read::DeflateDecoder;
+use flate2::write::DeflateEncoder;
+use log::debug;
+
+pub struct TestCompression {}
+
+impl TestCompression {
+
+    pub fn compress_file(input_path: &PathBuf) -> io::Result<()> {
+        let compressed_bytes= TestCompression::compress_file_to_array(input_path);
+        let output_filename = input_path.with_extension("deflated");
+        let mut output_file = File::create(&output_filename)?;
+        output_file.write_all(&compressed_bytes.unwrap())?;
+        Ok(())
+    }
+
+    pub fn compress_file_to_array(input_path: &Path) -> Result<Vec<u8>, String> {
+        let mut file = File::open(input_path)
+            .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to open input path [{}]: {}", input_path.display(), e)));
+
+        let mut read_buffer = Vec::new();
+        let mut write_buffer = Vec::new();
+        file.unwrap().read_to_end(&mut read_buffer)
+            .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to read input file [{}]: {}", input_path.display(), e)));
+
+        let mut encoder = DeflateEncoder::new(read_buffer, Compression::default());
+        encoder.write_all(&write_buffer)
+            .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to compress data for [{}]: {}", input_path.display(), e)));
+
+        debug!("Compressed file from path: {}", input_path.display());
+        Ok(write_buffer)
+    }
+
+    pub fn decompress_file_to_array(input_path: &Path) -> Vec<u8> {
+        let file = File::open(input_path)
+            .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to open input path [{}]: {}", input_path.display(), e)));
+
+        let mut decoder = DeflateDecoder::new(file.unwrap());
+        let mut return_vec = Vec::new();
+        decoder.read_to_end(&mut return_vec)
+            .map_err(|e| std::io::Error::new(e.kind(), format!("Unable to decompress data for [{}]: {}", input_path.display(), e)));
+
+        debug!("Decompressed file from path: {}", input_path.display());
+        return_vec
+    }
+
+    pub fn decompress_file(input_path: &PathBuf) -> io::Result<()> {
+        let decompressed_bytes = TestCompression::decompress_file_to_array(input_path);
+        let output_path = input_path.with_extension("inflated");
+        let mut output_file = File::create(&output_path)?;
+        output_file.write_all(&decompressed_bytes).expect(format!("Unable to write compressed data to [{}]", output_path.display()).as_str());
+        Ok(())
+    }
+
+    pub fn compress_string(input: &str) -> Vec<u8> {
+        let mut encoder = DeflateEncoder::new(Vec::new(), Compression::default());
+        encoder
+            .write_all(input.as_bytes())
+            .expect("Failed to write data");
+        encoder.finish().expect("Failed to finish compression")
+    }
+    pub fn decompress_to_string(compressed_data: &[u8]) -> Result<String, std::io::Error> {
+        let mut decoder = DeflateDecoder::new(compressed_data);
+        let mut decompressed = String::new();
+        decoder.read_to_string(&mut decompressed)?;
+        Ok(decompressed)
+    }
+
+}
\ No newline at end of file
diff --git a/gemma/tests/computer_tests.rs b/gemma/tests/computer_tests.rs
index 7376932..94c2410 100644
--- a/gemma/tests/computer_tests.rs
+++ b/gemma/tests/computer_tests.rs
@@ -92,7 +92,7 @@ fn level3_compressed_test() {
 
     assert_eq!(
         x.dump_video_to_string(),
-        load_compressed_result("gemma_integration.corax_plus")
+        load_compressed_result("gemma_integration_corax_plus")
     );
 }
 
@@ -132,7 +132,6 @@ fn level4_test() {
     );
 }
 
-
 #[test]
 fn partial_eq_chip8computer() {
     let x = Chip8Computer::new();
@@ -140,6 +139,19 @@ fn partial_eq_chip8computer() {
     assert_eq!(x, y)
 }
 
+#[test]
+fn state_to_json() {
+    let x = Chip8Computer::new();
+
+    let expected  = load_compressed_result("gemma_integration_state_to_json1");
+    let actual = x.dump_state_to_json();
+    println!("ACTUAL:: [{}]", actual);
+
+    assert_eq!(
+        actual,
+        expected
+    );
+}
 
 #[test]
 fn tick_when_not_ready() {}
diff --git a/gemma/tests/keypad.rs b/gemma/tests/keypad.rs
index a3a2f59..d6727ce 100644
--- a/gemma/tests/keypad.rs
+++ b/gemma/tests/keypad.rs
@@ -1,6 +1,6 @@
 mod test_utils;
-use gemma::chip8::keypad::Keypad;
 use crate::test_utils::read_compressed_test_result;
+use gemma::chip8::keypad::Keypad;
 
 #[test]
 fn keypad_keys_check() {
@@ -20,17 +20,12 @@ fn keypad_keys_check() {
 }
 
 #[test]
+#[ignore]
 fn keypad_string_format_test() {
-    let k = Keypad::new();
-
     let expected_result = read_compressed_test_result("gemma_keypad_string_result");
-    let actual_result = k.format_as_string();
-
+    let actual_result = Keypad::new().format_as_string();
 
     println!("EXPECTING [{}]", expected_result);
     println!("GOT [{}]", actual_result);
-    assert_eq!(
-        k.format_as_string(),
-        read_compressed_test_result("gemma_keypad_string_result")
-    );
+    assert_eq!(actual_result, expected_result);
 }
diff --git a/gemma/tests/test_compression_tests.rs b/gemma/tests/test_compression_tests.rs
index a658664..026a63b 100644
--- a/gemma/tests/test_compression_tests.rs
+++ b/gemma/tests/test_compression_tests.rs
@@ -1,4 +1,7 @@
-use crate::test_utils::{compress_string, decompress_to_string};
+use std::io::Write;
+use std::path::Path;
+use tempfile::{NamedTempFile, tempfile};
+use gemma::test_compression::TestCompression;
 
 mod test_utils;
 
@@ -10,9 +13,42 @@ fn smoke() {
 #[test]
 fn round_trip() {
     let text_to_process = "The quick brown fox jumps over the lazy dog.";
-    let compressed = compress_string(text_to_process);
-    let decompressed = decompress_to_string(&compressed).unwrap();
+    let compressed = TestCompression::compress_string(text_to_process);
+    let decompressed = TestCompression::decompress_to_string(&compressed).unwrap();
 
     assert_eq!(text_to_process, decompressed);
 }
 
+#[test]
+fn compress_file_to_array() {
+    // create a file with plain text...
+
+    // ...compress it to in-memory data
+
+    // ...confirm that matches predefined data
+}
+
+#[test]
+fn compress_file() {
+    // create a file with plain text...
+
+    // ...compress it to a temp file...
+
+    // ...read the compressed data...
+
+    // ...verify it matches initial plain text
+}
+
+#[test]
+fn decompress_file_to_array() {
+  // crate a file with plain text...
+
+    // ...write the compressed version
+
+    // ...
+}
+
+#[test]
+fn decompress_file() {
+
+}
\ No newline at end of file
diff --git a/gemma/tests/test_utils.rs b/gemma/tests/test_utils.rs
index 9e83748..778f418 100644
--- a/gemma/tests/test_utils.rs
+++ b/gemma/tests/test_utils.rs
@@ -4,28 +4,16 @@ use flate2::Compression;
 use std::fs::File;
 use std::io::{Read, Write};
 use tempfile::tempfile;
-const TEST_OUTPUT_SAMPLE_DIR: &str = "../resources/test/";
+use gemma::test_compression::TestCompression;
 
+const TEST_OUTPUT_SAMPLE_DIR: &str = "../resources/test/";
+const TEST_ROMS_SAMPLE_DIR: &str = "../resources/roms/";
 
 #[test]
 fn smoke() {
     assert!(true)
 }
 
-pub fn compress_string(input: &str) -> Vec<u8> {
-    let mut encoder = DeflateEncoder::new(Vec::new(), Compression::default());
-    encoder
-        .write_all(input.as_bytes())
-        .expect("Failed to write data");
-    encoder.finish().expect("Failed to finish compression")
-}
-pub fn decompress_to_string(compressed_data: &[u8]) -> Result<String, std::io::Error> {
-    let mut decoder = DeflateDecoder::new(compressed_data);
-    let mut decompressed = String::new();
-    decoder.read_to_string(&mut decompressed)?;
-    Ok(decompressed)
-}
-
 /// Read a compressed test result and return the expected result
 /// as a string
 pub fn read_compressed_test_result(suffix: &str) -> String {
@@ -42,7 +30,7 @@ pub fn read_compressed_test_result(suffix: &str) -> String {
         .read_to_end(&mut compressed_data)
         .expect("Unable to compress data");
 
-    decompress_to_string(&compressed_data).unwrap()
+    TestCompression::decompress_to_string(&compressed_data).unwrap()
 }
 
 pub fn load_compressed_result(suffix: &str) -> String {
@@ -50,39 +38,5 @@ pub fn load_compressed_result(suffix: &str) -> String {
 }
 
 pub fn load_rom(to_load: &str) -> Vec<u8> {
-    std::fs::read(format!("../resources/roms/{}.ch8", to_load)).unwrap()
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn smoke() {
-        assert!(true)
-    }
-
-    #[test]
-    fn compression_round_trip() {
-        let to_compress = "The quick brown fox jumps over the lazy dog.";
-
-        let compressed_text = compress_string(to_compress);
-        let decompressed_text = decompress_to_string(&compressed_text).unwrap();
-        assert_eq!(to_compress, decompressed_text);
-    }
-
-    #[test]
-    fn file_compression_round_trip() {
-        // compress string to file...
-        let string_to_compress = "The quick brown fox jumps over the lazy dog.";
-        let compressed_string = compress_string(string_to_compress);
-        let temp_target = tempfile().unwrap();
-
-        //
-        // ...decompress from file...
-        //
-        // ...verify its the same.
-    }
-
-
+    std::fs::read(format!("{}{}.ch8", TEST_ROMS_SAMPLE_DIR, to_load)).unwrap()
 }
diff --git a/imgui.ini b/imgui.ini
new file mode 100644
index 0000000..4b55a07
--- /dev/null
+++ b/imgui.ini
@@ -0,0 +1,25 @@
+[Window][Debug##Default]
+Pos=60,60
+Size=400,400
+Collapsed=0
+
+[Window][!!!! CONTROLS !!!!]
+Pos=8,21
+Size=298,569
+Collapsed=0
+
+[Window][Keypad]
+Pos=1057,32
+Size=76,99
+Collapsed=0
+
+[Window][Video]
+Pos=321,4
+Size=800,600
+Collapsed=0
+
+[Window][System Memory]
+Pos=768,2
+Size=385,600
+Collapsed=0
+
diff --git a/resources/test/gemma_integration_state_to_json1.asc b/resources/test/gemma_integration_state_to_json1.asc
new file mode 100644
index 0000000..639ba23
--- /dev/null
+++ b/resources/test/gemma_integration_state_to_json1.asc
@@ -0,0 +1 @@
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diff --git a/resources/test/gemma_integration_state_to_json1.deflated b/resources/test/gemma_integration_state_to_json1.deflated
new file mode 100644
index 0000000..e69de29