Trevor Merritt
067164c657
adds list of test roms and ability to load as desired passes the Corax+ opcode test now
671 lines
582 KiB
HTML
671 lines
582 KiB
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var data = {"files":[{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","chip8_constants.rs"],"content":"\npub const CHIP8_MEMORY_SIZE: u16 = 0x1000;\npub const CHIP8_MEMORY_SIZE_USIZE: usize = 0x1000;\n\npub const FONT_0: [u8; 5] = [0xF0, 0x90, 0x90, 0x90, 0xF0];\npub const FONT_1: [u8; 5] = [0x20, 0x60, 0x20, 0x20, 0x70];\npub const FONT_2: [u8; 5] = [0xF0, 0x10, 0xF0, 0x80, 0xF0];\npub const FONT_3: [u8; 5] = [0xF0, 0x10, 0xF0, 0x10, 0xF0];\npub const FONT_4: [u8; 5] = [0x90, 0x90, 0xF0, 0x10, 0x10];\npub const FONT_5: [u8; 5] = [0xF0, 0x80, 0xF0, 0x10, 0xF0];\npub const FONT_6: [u8; 5] = [0xF0, 0x80, 0xF0, 0x90, 0xF0];\npub const FONT_7: [u8; 5] = [0xF0, 0x10, 0x20, 0x40, 0x40];\npub const FONT_8: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0xF0];\npub const FONT_9: [u8; 5] = [0xF0, 0x90, 0xF0, 0x10, 0xF0];\npub const FONT_A: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0x90];\npub const FONT_B: [u8; 5] = [0xE0, 0x90, 0xE0, 0x90, 0xE0];\npub const FONT_C: [u8; 5] = [0xF0, 0x80, 0x80, 0x80, 0xF0];\npub const FONT_D: [u8; 5] = [0xE0, 0x90, 0x90, 0x90, 0xE0];\npub const FONT_E: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0xF0];\npub const FONT_F: [u8; 5] = [0xF0, 0x80, 0xf0, 0x80, 0x80];\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","chip8_mnemonics.rs"],"content":"use bitmask::bitmask;\n\nuse crate::{chip8_constants::CHIP8_MEMORY_SIZE, parts::Display::Chip8Display};\n\nenum Chip8StartOffset {\n STANDARD,\n ETI600,\n OTHER,\n}\n\nstruct Chip8Registers {\n V: [u8; 16],\n I: u16,\n DelayTimer: u16,\n SoundTimer: u16,\n StackPointer: u8,\n ProgramCounter: u16,\n}\n\nimpl Default for Chip8Registers {\n fn default() -\u003e Self {\n Chip8Registers {\n DelayTimer: 60,\n V: [\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00,\n ],\n I: 0x00,\n SoundTimer: 60,\n StackPointer: 255,\n ProgramCounter: 0x200,\n }\n }\n}\n\nenum Chip8Instruction {\n SYS(u16),\n CLS,\n RET,\n JMP(u16),\n CALL(u16),\n SNEQ(u8, u16),\n SNNE(u8, u8),\n SNRE(u8, u8),\n STOR(u8, u16),\n ADD(u8, u16),\n MOV(u8, u8),\n OR(u8, u8),\n AND(u8, u8),\n XOR(u8, u8),\n ADC(u8, u8),\n SBC(u8, u8),\n RSR(u8, u8),\n LSR(u8, u8),\n SNE(u8, u8),\n STO(i16),\n JMPI(u16),\n RND(u8, u8),\n SETD(u8),\n SETT(u8),\n BCD(u8),\n}\n\nenum Chip8Keys {\n KEY0,\n KEY1,\n KEY2,\n KEY3,\n KEY4,\n KEY5,\n KEY6,\n KEY7,\n KEY8,\n KEY9,\n KEYA,\n KEYB,\n KEYC,\n KEYD,\n KEYE,\n KEYF,\n}\n\npub fn display_video_memory(system_memory: [u8; CHIP8_MEMORY_SIZE as usize]) {\n // Assumes memory addresses from\n}\n\nconst ZERO: u16 = 0b0000000000000000;\nconst BOTTOM_BYTE: u16 = 0b0000000011111111;\nconst TOP_BYTE: u16 = 0b1111111100000000;\nconst NIBBLE0: u16 = 0b1111000000000000;\nconst NIBBLE1: u16 = 0b0000111100000000;\nconst NIBBLE2: u16 = 0b0000000011110000;\nconst NIBBLE3: u16 = 0b0000000000001111;\nconst NIBBLE0_BALANCE: u16 = 0x0FFF;\nconst PMSK_0000: i16 = 0x0000;\nconst PMSK_00X0: i16 = 0x00F0;\nconst PMSK_0X00: i16 = 0x0F00;\nconst PMSK_0XXX: i16 = 0x0FFF;\n\n// AND against the possible operand to find which one we have\nbitmask! {\n mask Chip8Instructions: u16 where flags Chip8InstructionFlags {\n SYS = 0x00,\n CLR = 0b0000000011100000,\n RTS = 0b0000000011101110,\n JUMP = 0b0001000000000000,\n CALL = 0b0010000000000000,\n SKE = 0b0011000000000000,\n SKNE = 0b0100000000000000,\n SKRE = 0b0101000000000000,\n LOAD = 0b0110000000000000,\n ADD = 0b0111000000000000,\n MOVE = 0b1000000000000000,\n OR = 0b1000000000000001,\n AND = 0b1000000000000010,\n XOR = 0b1000000000000011,\n ADDR = 0b1000000000000100,\n SUB = 0b1000000000000101,\n SHR = 0b1000000000000110,\n SHL = 0b1000000000001110,\n SKRNE = 0b1001000000000000,\n LOADI = 0b1010000000000000,\n JUMPI = 0b1011000000000000,\n RAND = 0b1100000000000000,\n DRAW = 0b1101000000000000,\n SKPR = 0b1110000000001110,\n SKUP = 0b1111000010100001,\n MOVED = 0b1111000000000111, \n KEYD = 0b1111000000001010, \n LOADD = 0b1111000000010101, \n LOADS = 0b1111000000011000, \n ADDI = 0b1111000000011110, \n LDSPR = 0b1111000000101001, \n BCD = 0b1111000000110011, \n STOR = 0b1111000001010101, \n MEMCPY = 0b1111000001100101 \n }\n}\n\nenum Chip8Asm {\n SYS(u16),\n CLR(),\n RTS(),\n JUMP(u16),\n CALL(u16),\n SKE(u8, u8),\n SKNE(u8, u8),\n SKRE(u8, u8),\n LOAD(u8, u8),\n ADD(u8, u8),\n MOVE(u8, u8),\n OR(u8, u8),\n AND(u8, u8),\n XOR(u8, u8),\n ADDR(u8, u8),\n SUB(u8, u8),\n SHR(u8, u8),\n SHL(u8, u8),\n SKRNE(u8, u8),\n LOADI(u16),\n JUMPI(u16),\n RAND(u8, u8),\n DRAW(u8, u8, u8),\n SKPR(u8),\n SKUP(u8),\n MOVED(u8),\n KEYD(u8),\n LOADD(u8),\n LOADS(u8),\n ADDI(u8),\n LDSPR(u8),\n BCD(u8),\n STOR(u8),\n READ(u8),\n}\n\nstruct Chip8Cpu {}\n\nstruct Chip8System {\n registers: Chip8Registers,\n system_memory: [u8; 2048]\n}\n\nimpl Chip8System {\n pub fn tick(mut self) {\n println!(\" Ticking Chip8System\");\n\n let next_instruction = self.system_memory[self.registers.ProgramCounter as usize] as u16;\n println!(\"READ INSTRUCTION {next_instruction}\");\n self.registers.ProgramCounter += 0x2;\n\n \u0026self.delay_timer_tick();\n \u0026self.sound_timer_tick();\n\n // self.screen.tick();\n }\n\n fn delay_timer_tick(\u0026mut self) {\n self.registers.DelayTimer = self.registers.DelayTimer - 1;\n\n }\n\n fn sound_timer_tick(\u0026mut self) {\n self.registers.SoundTimer = self.registers.SoundTimer - 1;\n\n }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","lib.rs"],"content":"pub mod chip8_mnemonics;\npub mod chip8_constants;\n\npub mod parts {\n pub mod CPU;\n pub mod Display;\n pub mod Keyboard;\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","parts","CPU.rs"],"content":"struct Chip8Registers {\n\n}\n\n\nimpl Chip8Registers {\n pub fn tick(self: \u0026Self) {\n println!(\"Ticking Registers\");\n }\n}\n\npub struct Chip8InstructionParameter {\n pub mask: u16\n}\n\npub struct Chip8Instruction {\n pub id: String,\n pub mask: u16,\n pub pattern: u16,\n pub arguments: Vec\u003cChip8InstructionParameter\u003e,\n pub description: Box\u003cstr\u003e\n}\n\npub fn fill_chip8_instructions() -\u003e [Chip8Instruction; 34] {\n [\n Chip8Instruction {\n id: \"SYS\".to_string(),\n mask: 0x00,\n pattern: 0x00,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0FFF\n }\n ],\n description: \"Execute method at address referenced by parameter\".into()\n },\n Chip8Instruction {\n id: \"CLR\".to_string(),\n mask: 0x00E0,\n pattern: 0x00E0,\n arguments: vec![],\n description: \"Clear the Screen\".into()\n },\n Chip8Instruction {\n id: \"RET\".to_string(),\n mask: 0x00EE,\n pattern: 0x00EE,\n arguments: vec![],\n description: \"Return from Subroutine\".into()\n },\n Chip8Instruction {\n id: \"JMP\".to_string(),\n mask: 0x1FFF,\n pattern: 0x1000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0fff\n }\n ],\n description: \"Jump to specified location\".into()\n },\n Chip8Instruction {\n id: \"SEQ\".to_string(),\n mask: 0x3FFF,\n pattern: 0x3000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Skip next instruction if Register does equal parameter\".into()\n },\n Chip8Instruction {\n id: \"SNE\".to_string(),\n mask: 0x4FFF,\n pattern: 0x4000,\n arguments: vec! [\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Skip next instruction if Register doesn't equal parameter\".into()\n },\n Chip8Instruction {\n id: \"SREQ\".to_string(),\n mask: 0x5FF0,\n pattern: 0x5000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"TBD\".into()\n },\n Chip8Instruction {\n id: \"STO\".to_string(),\n mask: 0x6FFF,\n pattern: 0x6000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Store value into register\".into()\n },\n Chip8Instruction {\n id: \"ADD\".to_string(),\n mask: 0x7FFF,\n pattern: 0x7000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Add value in register 0x0f00 with value 0x00ff\".into()\n },\n Chip8Instruction {\n id: \"CPY\".to_string(),\n mask: 0x8FF0,\n pattern: 0x8000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Copy value between Register X and Y\".into()\n },\n Chip8Instruction {\n id: \"OR\".to_string(),\n mask: 0x8FF1,\n pattern: 0x8001,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Logical OR of registers placing result in first register\".into()\n },\n Chip8Instruction {\n id: \"AND\".to_string(),\n mask: 0x8FF2,\n pattern: 0x8002,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Logical AND of registers placing result in first register\".into()\n },\n Chip8Instruction {\n id: \"XOR\".to_string(),\n mask: 0x8FF3,\n pattern: 0x8003,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Logical XOR of registers placing result in first register\".into()\n },\n Chip8Instruction {\n id: \"ADC\".to_string(),\n mask: 0x8FF4,\n pattern: 0x8004,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Add 2 Registers with carry flag\".into()\n },\n Chip8Instruction {\n id: \"SUBC\".to_string(),\n mask: 0x8FF5,\n pattern: 0x8005,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Subtract 2 Registers with carry flag\".into()\n },\n Chip8Instruction {\n id: \"RSR\".to_string(),\n mask: 0x8FF6,\n pattern: 0x8006,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Register Shifted Right\".into()\n },\n Chip8Instruction {\n id: \"SUBC\".to_string(),\n mask: 0x8FF7,\n pattern: 0x8007,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Subtract 2 Regiters with Carry\".into()\n },\n Chip8Instruction {\n id: \"RSL\".to_string(),\n mask: 0x8FFE,\n pattern: 0x800E,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Register Shifted Left\".into()\n },\n Chip8Instruction {\n id: \"SRNE\".to_string(),\n mask: 0x9FF0,\n pattern: 0x9000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Skip next instruction if registers not equal\".into()\n },\n Chip8Instruction {\n id: \"LDI\".to_string(),\n mask: 0xAFFF,\n pattern: 0xA000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0fff\n }\n ],\n description: \"Load Data from Memory Address\".into()\n },\n Chip8Instruction {\n id: \"JMPI\".to_string(),\n mask: 0xBFFF,\n pattern: 0xB000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0fff\n }\n ],\n description: \"Jump to Memory Address\".into()\n },\n Chip8Instruction {\n id: \"RNG\".to_string(),\n mask: 0xCFFF,\n pattern: 0xC000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Random number Generator\".into()\n },\n Chip8Instruction {\n id: \"SPR\".to_string(),\n mask: 0xDFFF,\n pattern: 0xD000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n },\n Chip8InstructionParameter {\n mask: 0x000f\n }\n \n ],\n description: \"TBD\".into()\n },\n Chip8Instruction {\n id: \"JNK\".to_string(),\n mask: 0xEF9E,\n pattern: 0xE09E,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Jump over next instruction if Key Pressed\".into()\n },\n Chip8Instruction {\n id: \"JKP\".to_string(),\n mask: 0xEFA1,\n pattern: 0xE0A1,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Jump over next instruction if Key Not Pressed\".into()\n },\n Chip8Instruction {\n id: \"SDT\".to_string(),\n mask: 0xFF07,\n pattern: 0xF007,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0F00\n }\n ],\n description: \"TBD\".into()\n },\n Chip8Instruction {\n id: \"WKP\".to_string(),\n mask: 0xFF0A,\n pattern: 0xF00A,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Wait for a Key to be pressed\".into()\n },\n Chip8Instruction {\n id: \"LDT\".to_string(),\n mask: 0xFF15,\n pattern: 0xF015,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Load Data Timer\".into()\n },\n Chip8Instruction {\n id: \"LST\".to_string(),\n mask: 0xFF18,\n pattern: 0xF018,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Load Sound Timer\".into()\n },\n Chip8Instruction {\n id: \"ADDI\".to_string(),\n mask: 0xFF1E,\n pattern: 0xF01E,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Add register with value at I\".into()\n },\n Chip8Instruction {\n id: \"SETI\".to_string(),\n mask: 0xFF29,\n pattern: 0xF029,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"TBD\".into()\n },\n Chip8Instruction{\n id: \"BCD\".to_string(),\n mask: 0xFF33,\n pattern: 0xF033,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Binary Coded Decimal of register\".into()\n },\n Chip8Instruction{\n id: \"MSTO\".to_string(),\n mask: 0xFF55,\n pattern: 0xF055,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Store value in register X at offset I\".into()\n },\n Chip8Instruction {\n id: \"MLOAD\".to_string(),\n mask: 0xFF65,\n pattern: 0xF065,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Load value into register X at offset I\".into()\n }\n ]\n}\n\n\nstruct Chip8System {\n\n}\n\nimpl Chip8System {\n \n}\n\ntrait CpuInstruction {\n fn execute(input: Chip8System) -\u003e Chip8System;\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","parts","Display.rs"],"content":"\npub struct Chip8Display {\n // 64w x 32h\n pub memory: [bool; 512],\n}\n\nimpl Chip8Display {\n pub fn tick(self: \u0026Self) {\n println!(\"Ticking the display\");\n }\n\n pub fn render_chip8_display(to_render: Chip8Display) {\n // 32 rows...\n for index_row in 0..=32 {\n // ...64 columns\n for index_col in 0..=64 {\n let offset = (index_row * 64) + index_col;\n if to_render.memory[offset] {\n print!(\"*\")\n } else {\n print!(\" \")\n };\n }\n println!();\n }\n }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","parts","Keyboard.rs"],"content":"\n#[derive(Clone)]\nstruct Chip8Keyboard {\n keys_state: [bool; 16]\n}\n\nimpl Default for Chip8Keyboard {\n fn default() -\u003e Self {\n Self { keys_state: [ \n false, false, false, false,\n false, false, false, false,\n false, false, false, false,\n false, false, false, false\n ] }\n }\n}\n\nimpl Chip8Keyboard {\n\n fn display_keyboard_key(self: Self, key_id: u8) {\n let filler = if self.is_pressed(key_id) { \"*\" } else { \" \" };\n print!(\"{}{}{}\", filler, key_id, filler)\n }\n\n fn display_keyboard_horizontal_line(self: Self, row_values: [u8; 4]) {\n print!(\"|\");\n for current in row_values {\n self.clone().display_keyboard_key(current);\n print!(\"|\");\n }\n println!();\n } \n\n fn display_keyboard_seperator_line(self: Self) {\n println!(\"+---+---+---+---+\");\n\n }\n\n pub fn display_keyboard(self: Self) {\n self.clone().display_keyboard_seperator_line();\n self.clone().display_keyboard_horizontal_line(\n [1,2,3,0xC]\n );\n println!(\"+---+---+---+---+\");\n println!(\"| 4 | 5 | 6 | D |\");\n println!(\"+---+---+---+---+\");\n println!(\"| 7 | 8 | 9 | E |\");\n println!(\"+---+---+---+---+\");\n println!(\"| A | 0 | B | F |\");\n println!(\"+---+---+---+---+\");\n }\n \n pub fn press_key(self: \u0026mut Self, key_id: u8) {\n self.keys_state[key_id as usize] = true;\n }\n\n pub fn release_key(self: \u0026mut Self, key_id: u8) {\n self.keys_state[key_id as usize] = false;\n }\n\n pub fn is_pressed(self: Self, key_id: u8) -\u003e bool {\n self.keys_state[key_id as usize]\n }\n}\n\n\n#[cfg(test)]\nmod tests {\n use super::*;\n \n #[test]\n fn smoke_test() {\n assert_eq!(true, true);\n }\n \n #[test]\n fn basic_keyboard_display_works() {\n let basic_keyboard = Chip8Keyboard::default();\n\n \n }\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","app.rs"],"content":"/*\n\n#[derive(Default)]\npub struct App;\n\nimpl UiBuilder for App {\n fn do_ui(\u0026mut self, ui: \u0026Ui\u003cSelf\u003e) {\n #[cfg(feature = \"docking\")]\n {\n ui.dock_space_over_viewport(0, imgui::DockNodeFlags::None);\n }\n ui.show_demo_window(None);\n\n }\n}*/","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","gui","display.rs"],"content":"use winit::{application::ApplicationHandler, event_loop::ActiveEventLoop, window::{Window, WindowAttributes}};\n\n/*\npub struct Chip8Display {\n pub window: MainWindowWithRenderer,\n}\n\nimpl Chip8Display {\n pub fn new(event_loop: \u0026ActiveEventLoop) -\u003e Chip8Display {\n Chip8Display { window: MainWindowWithRenderer::new(\n MainWindow::new::\u003c()\u003e(\u0026event_loop, Window::default_attributes().with_title(\"Chip8 Display\")).unwrap())\n }\n }\n\n pub fn render\u003cM\u003e(ui: \u0026Ui\u003cM\u003e) {\n \n }\n}\n\nimpl UiBuilder for Chip8AppHandler {\n fn do_ui(\u0026mut self, ui: \u0026Ui\u003cSelf\u003e) {\n\n ui.text(\"This is where the Chip8 UI Goes\");\n ui.text(\"Controls for Start/Stop/Load/Run Maybe?\");\n\n\n }\n}\n\n#[derive(Default)]\npub struct Chip8AppHandler {\n pub windows: Vec\u003cMainWindowWithRenderer\u003e,\n // pub display: Chip8Display\n}\n\nimpl ApplicationHandler for Chip8AppHandler {\n fn suspended(\u0026mut self, _event_loop: \u0026ActiveEventLoop) {\n self.windows.clear();\n }\n\n fn resumed(\u0026mut self, event_loop: \u0026ActiveEventLoop) {\n self.windows.push(Chip8Display::new(event_loop).window);\n }\n\n fn window_event(\n \u0026mut self,\n event_loop: \u0026ActiveEventLoop,\n window_id: winit::window::WindowId,\n event: winit::event::WindowEvent,\n ) {\n for window in \u0026mut self.windows {\n if window.main_window().window().id() != window_id {\n continue;\n }\n }\n }\n fn new_events(\u0026mut self, _event_loop: \u0026ActiveEventLoop, _cause: winit::event::StartCause) {\n for window in \u0026mut self.windows {\n window.new_events();\n }\n }\n fn about_to_wait(\u0026mut self, _event_loop: \u0026ActiveEventLoop) {\n for window in \u0026mut self.windows {\n window.about_to_wait();\n }\n }\n\n}\n*/","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","lib.rs"],"content":"pub mod app;\n\npub mod gui {\n pub mod display;\n}\n\npub mod support;","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","main.rs"],"content":"use trevors_chip8_core::parts::CPU::fill_chip8_instructions;\nuse trevors_chip8_toy::support;\nuse winit::{event::WindowEvent, event_loop::EventLoop};\n\nuse imgui::*;\n/*\npub fn display_instruction_table(current_index: u32, ui: \u0026Ui\u003cApp\u003e) -\u003e u32 {\n let to_display = fill_chip8_instructions();\n let mut return_index = current_index;\n let current_instruction = to_display.get(return_index as usize).unwrap();\n ui.text(\"Instructions\");\n ui.set_next_item_width(100f32);\n ui.with_group(|| {\n ui.text(format!(\"{}\", current_instruction.description).as_str());\n if current_instruction.arguments.is_empty() {\n ui.text(\"No Parameters\");\n } else {\n for current_parameter in current_instruction.arguments {\n ui.text(format!(\"{}\", current_parameter.mask).as_str());\n }\n }\n ui.text(format!(\"{:#}\", current_instruction.arguments).as_str());\n ui.text(\"This is where cool stuff happens part 2\");\n });\n ui.same_line();\n ui.with_group(|| {\n for (index, current) in to_display.iter().enumerate() {\n if ui\n .selectable_config(current.id.clone())\n .selected(index == return_index as usize)\n .build()\n {\n return_index = index as u32;\n }\n }\n });\n return_index\n}\n*/\n\nfn chip8_instructions(initial_index: u32, ui: \u0026mut Ui) -\u003e u32 {\n let to_display = fill_chip8_instructions();\n let mut return_index = initial_index;\n let instruction_to_display = to_display.get(return_index as usize).unwrap();\n let instruction_window = ui\n .window(\"Instructions\")\n .size([400.0, 400.0], Condition::FirstUseEver)\n .build(|| {\n ui.text(\"This should be my current instruction example\");\n ui.same_line();\n ui.set_next_item_width(-1.0f32);\n for (index, instruction) in to_display.iter().enumerate() {\n if ui\n .selectable_config(instruction.id.to_string())\n .selected(index as u32 == return_index)\n .build()\n {\n return_index = index as u32;\n println!(\"RETURN INDEX {return_index}\");\n }\n }\n });\n return_index\n}\n\nfn main() {\n let mut value = 0;\n let choices = [\"test test this is 1\", \"test test this is 2\"];\n\n let mut selected_instruction = 0;\n\n support::simple_init(file!(), move |_, ui| {\n selected_instruction = chip8_instructions(selected_instruction, ui);\n\n ui.window(\"Hello world\")\n .size([300.0, 110.0], Condition::FirstUseEver)\n .build(|| {\n ui.text_wrapped(\"Hello world!\");\n if ui.button(choices[value]) {\n value += 1;\n value %= 2;\n }\n\n ui.button(\"This...is...imgui-rs!\");\n ui.separator();\n let mouse_pos = ui.io().mouse_pos;\n ui.text(format!(\n \"Mouse Position: ({:.1},{:.1})\",\n mouse_pos[0], mouse_pos[1]\n ));\n });\n });\n}\n/*\nfn main() {\n let event_loop = EventLoop::new().unwrap();\n\n let mut main = AppHandler::\u003cApp\u003e::default();\n main.attributes().title = String::from(\"Example-420\");\n\n event_loop.run_app(\u0026mut main).unwrap();\n}\n\n#[derive(Default)]\npub struct App {\n pub selected_instruction_index: u32,\n}\n\nimpl App {}\n\nimpl Application for App {\n type UserEvent = ();\n type Data = ();\n fn new(_: Args\u003c()\u003e) -\u003e App {\n App {\n selected_instruction_index: 0,\n }\n }\n fn window_event(\u0026mut self, args: Args\u003c()\u003e, _event: WindowEvent, res: EventResult) {\n if res.window_closed {\n args.event_loop.exit();\n }\n }\n}\n\nimpl imgui::UiBuilder for App {\n fn do_ui(\u0026mut self, ui: \u0026imgui::Ui\u003cSelf\u003e) {\n #[cfg(feature = \"docking\")]\n {\n ui.dock_space_over_viewport(0, imgui::DockNodeFlags::None);\n }\n\n let x = ui.collapsing_header_config(\"collapsing header\");\n\n ui.with_group(|| {\n self.selected_instruction_index =\n display_instruction_table(self.selected_instruction_index, ui);\n });\n\n ui.show_demo_window(None);\n }\n}\n*/\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","support","clipboard.rs"],"content":"use copypasta::{ClipboardContext, ClipboardProvider};\nuse imgui::ClipboardBackend;\n\npub struct ClipboardSupport(pub ClipboardContext);\n\npub fn 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","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","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::dpi::LogicalSize;\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\nmod clipboard;\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_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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std::io::{stdout, Result};\n/*\nuse emmaemu::{chip8::{computer::Chip8Computer, video::Chip8Video}, constants::{CHIP8_MEMORY_SIZE, CHIP8_REGISTER_COUNT, CHIP8_ROM_SIZE, CHIP8_VIDEO_MEMORY}};\nuse ratatui::{\n backend::CrosstermBackend,\n crossterm::{\n event::{self, KeyCode, KeyEventKind},\n terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},\n ExecutableCommand,\n },\n layout::{Alignment, Rect},\n style::{Style, Stylize},\n widgets::{List, Paragraph, Widget},\n Frame, Terminal,\n};\n\n\nfn system_memory_to_text_render(data_to_dump: [u8; 2048]) -\u003e String {\n let mut to_return = String::new();\n\n for i in 0..256 {\n to_return += \u0026format!(\"{:x}\\t\", data_to_dump[i as usize]).to_string();\n\n if ((i + 1) % CHIP8_REGISTER_COUNT) == 0 {\n to_return += \"\\n\";\n }\n }\n\n to_return\n}\n\nfn dump_memory_to_console(data_to_dump: [u8; 2048]) {\n println!(\"STARTING TO DUMP MEMORY TO CONSOLE\");\n println!(\"{}\", system_memory_to_text_render(data_to_dump));\n println!(\"DONE DUMPING!\");\n panic!(\"DONE DUMPING\");\n}\n\nstruct ControlKeyboard {\n\n}\n\nimpl Widget for ControlKeyboard {\n fn render(self, area: Rect, buf: \u0026mut ratatui::prelude::Buffer)\n where\n Self: Sized {\n let style = Style::new();\n buf.set_string(0, 0, \"F1 to cycle foreground - F2 to cycle background\", style)\n }\n}\n\n\n#[derive(Clone)]\nstruct AppState {\n pub menu_items: Vec\u003cString\u003e,\n pub selected_menu_item: i32,\n pub system: Chip8Computer,\n}\n\nimpl Default for AppState {\n fn default() -\u003e Self {\n println!(\"Creating new AppState\");\n Self {\n menu_items: vec![\n \"Step CPU \u003cF5\u003e\".into(),\n \"Reset CPU \u003cF12\u003e\".into(),\n \"Item 3\".into(),\n ],\n selected_menu_item: 0,\n system: Chip8Computer {\n ..Default::default()\n },\n }\n }\n}\n\nfn main() -\u003e Result\u003c()\u003e {\n stdout().execute(EnterAlternateScreen)?;\n enable_raw_mode()?;\n let mut terminal = Terminal::new(CrosstermBackend::new(stdout()))?;\n terminal.clear()?;\n\n let app = AppState::default();\n\n loop {\n // Draw Ui...\n terminal.draw(|frame| {\n frame.render_widget(app.system.memory, frame.area());\n // frame.render_widget(app.control_keyboard, area);\n //render_cpu_state(app.system.clone(), frame);\n // render_video_state(app.system.video_memory, frame);\n // render_menu_list(app.clone(), frame);\n })?;\n // ...handle Events.\n if event::poll(std::time::Duration::from_millis(16))? {\n if let event::Event::Key(key) = event::read()? {\n match key.kind {\n KeyEventKind::Press =\u003e match key.code {\n KeyCode::F(5) =\u003e {\n println!(\"Execute Next Instruction\");\n }\n KeyCode::F(12) =\u003e {\n println!(\"Resetting CPU\");\n }\n KeyCode::Char('q') =\u003e { break; }\n _ =\u003e (),\n },\n _ =\u003e (),\n }\n }\n }\n }\n\n // stdout().execute(LeaveAlternateScreen)?;\n // disable_raw_mode()?;\n Ok(())\n}\n\n#[cfg(test)]\nmod test {\n use emmaemu::constants::{CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH};\n\n use crate::*;\n #[test]\n fn blank_screen_renders_to_text() {\n let test_video = Chip8Video::default();\n\n\n let blank_data: [bool; CHIP8_VIDEO_MEMORY] = [false; CHIP8_VIDEO_MEMORY];\n let blank_screen = (\" \".repeat(CHIP8_VIDEO_WIDTH.try_into().unwrap()) + \"\\n\")\n .repeat(CHIP8_VIDEO_HEIGHT.try_into().unwrap());\n \n assert_eq!(Chip8Video::new(blank_data).format_as_string(), blank_screen);\n }\n\n #[test]\n fn filled_screen_renders_to_text() {\n let filled_data: [bool; CHIP8_VIDEO_MEMORY] = [true; CHIP8_VIDEO_MEMORY];\n let filled_screen = (\"*\".repeat(CHIP8_VIDEO_WIDTH.try_into().unwrap()) + \"\\n\")\n .repeat(CHIP8_VIDEO_HEIGHT.try_into().unwrap());\n assert_eq!(Chip8Video::new(filled_data).format_as_string(), filled_screen);\n }\n\n #[test]\n fn grid_pattern_renders_to_text() {\n let mut grid_data: [bool; CHIP8_VIDEO_MEMORY] = [false; CHIP8_VIDEO_MEMORY];\n let mut expected_data = String::new();\n for i in 0..CHIP8_VIDEO_MEMORY {\n grid_data[i] = (i % 2 == 0);\n if i % 2 == 0 {\n grid_data[i] = true;\n expected_data += \"*\";\n } else {\n grid_data[i] = false;\n expected_data += \" \";\n }\n if (i as i32 % CHIP8_VIDEO_WIDTH as i32 == CHIP8_VIDEO_WIDTH - 1) {\n expected_data += \"\\n\";\n }\n }\n\n assert_eq!(Chip8Video::new(grid_data).format_as_string(), expected_data);\n }\n}\n*/\nfn main() {\n println!(\"Taxation is theft\");\n}","traces":[{"line":166,"address":[119248],"length":1,"stats":{"Line":0}},{"line":167,"address":[119252],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":2},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","bin","emmagui.rs"],"content":"use std::default::Default;\nuse std::fs::DirEntry;\nuse std::time::Instant;\nuse emmaemu::{\n chip8::computer::Chip8Computer,\n constants::{CHIP8_MEMORY_SIZE, CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH},\n};\nuse imgui::*;\nuse ratatui::symbols::half_block;\nuse sys::{ImColor, ImVec2, ImVector_ImU32};\nuse rand::random;\nuse emmaemu::chip8::system_memory::Chip8SystemMemory;\nuse support::emmagui_support::EmmaGui;\nmod support;\n\n\nstruct UiState {\n pub show_registers: bool,\n pub show_memory: bool,\n pub show_video: 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: f32\n}\n\nimpl Clone for UiState {\n fn clone(\u0026self) -\u003e Self {\n UiState {\n show_registers: self.show_registers,\n show_memory: self.show_memory,\n show_video: self.show_video,\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 }\n }\n}\n\nimpl Default for UiState {\n fn default() -\u003e Self {\n UiState {\n show_registers: false,\n show_memory: false,\n show_video: 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: 32.0\n }\n }\n}\n\nfn main() {\n pretty_env_logger::init();\n let mut system = Chip8Computer::default();\n let mut ui_state = UiState::default();\n let mut last_tick_time = Instant::now();\n\n support::simple_init(file!(), move |_, ui| {\n let current_time = Instant::now();\n let time_since_last_tick = current_time.duration_since(last_tick_time).as_millis();\n if ui_state.is_running \u0026\u0026 time_since_last_tick \u003e ui_state.frame_time as u128 {\n system.step_system();\n last_tick_time = current_time;\n }\n\n EmmaGui::system_controls(\u0026mut system, \u0026mut ui_state, ui);\n\n if ui_state.show_registers {\n EmmaGui::registers_view(\u0026system, ui);\n }\n\n if ui_state.show_video {\n EmmaGui::video_display(\u0026system, \u0026ui_state, ui);\n }\n\n if ui_state.show_memory {\n let active_instruction = system.registers.peek_pc();\n EmmaGui::hex_memory_display(system.memory.clone(), (0x100, 0x10), active_instruction as i16, ui);\n }\n });\n}\n","traces":[{"line":29,"address":[4555552],"length":1,"stats":{"Line":0}},{"line":31,"address":[4555576],"length":1,"stats":{"Line":0}},{"line":32,"address":[4555583],"length":1,"stats":{"Line":0}},{"line":33,"address":[4555590],"length":1,"stats":{"Line":0}},{"line":34,"address":[4555597],"length":1,"stats":{"Line":0}},{"line":35,"address":[4555637],"length":1,"stats":{"Line":0}},{"line":36,"address":[4555641],"length":1,"stats":{"Line":0}},{"line":37,"address":[4555645],"length":1,"stats":{"Line":0}},{"line":38,"address":[4555649],"length":1,"stats":{"Line":0}},{"line":44,"address":[4555911,4555728],"length":1,"stats":{"Line":0}},{"line":49,"address":[4555747],"length":1,"stats":{"Line":0}},{"line":50,"address":[4555759],"length":1,"stats":{"Line":0}},{"line":51,"address":[4555814],"length":1,"stats":{"Line":0}},{"line":58,"address":[4556356,4555936],"length":1,"stats":{"Line":0}},{"line":59,"address":[4555988],"length":1,"stats":{"Line":0}},{"line":60,"address":[4556013],"length":1,"stats":{"Line":0}},{"line":61,"address":[4556043],"length":1,"stats":{"Line":0}},{"line":62,"address":[4556166,4556091],"length":1,"stats":{"Line":0}},{"line":64,"address":[4556181],"length":1,"stats":{"Line":0}},{"line":65,"address":[4817912],"length":1,"stats":{"Line":0}},{"line":66,"address":[4817935],"length":1,"stats":{"Line":0}},{"line":67,"address":[4818018,4818218,4818071],"length":1,"stats":{"Line":0}},{"line":68,"address":[4818181],"length":1,"stats":{"Line":0}},{"line":69,"address":[4818196],"length":1,"stats":{"Line":0}},{"line":72,"address":[4818034],"length":1,"stats":{"Line":0}},{"line":74,"address":[4818051],"length":1,"stats":{"Line":0}},{"line":75,"address":[4818246],"length":1,"stats":{"Line":0}},{"line":78,"address":[4818228],"length":1,"stats":{"Line":0}},{"line":79,"address":[4818280],"length":1,"stats":{"Line":0}},{"line":82,"address":[4818262],"length":1,"stats":{"Line":0}},{"line":83,"address":[4818307],"length":1,"stats":{"Line":0}},{"line":84,"address":[4818342],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":32},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","bin","font","text_rendering.rs"],"content":"use ratatui::{style::Stylize, widgets::{List, Paragraph}, Frame};\n\nuse crate::{AppState, Chip8Computer, CHIP8_REGISTER_COUNT, CHIP8_VIDEO_MEMORY};\n\n\npub fn render_cpu_state(cpu_state: Chip8Computer, frame: \u0026mut Frame) {\n let mut area = frame.area();\n\n let mut current_state: Vec\u003cString\u003e = vec![];\n\n current_state.push(format!(\"Delay Timer {:X}\", cpu_state.delay_timer));\n current_state.push(format!(\"Sound Timer {:X}\", cpu_state.sound_timer));\n current_state.push(format!(\"PC {:X}\", cpu_state.pc));\n for i in 0 .. CHIP8_REGISTER_COUNT {\n current_state.push(format!(\"V{}: {}\", i, cpu_state.registers[i as usize]));\n }\n\n frame.render_widget(\n List::new(current_state).blue().on_white(), area)\n}\n\npub fn render_menu_list(state: AppState, frame: \u0026mut Frame) {\n let mut area = frame.area();\n\n frame.render_widget(List::new(state.menu_items).blue().on_white(), area);\n}\n\npub fn render_hello_world(frame: \u0026mut Frame) {\n let area = frame.area();\n frame.render_widget(\n Paragraph::new(\"Hello Ratatui! (press 'q' to quit)\")\n .white()\n .on_blue(),\n area,\n );\n}\n\npub fn render_video_state(video_memory: [bool; CHIP8_VIDEO_MEMORY], frame: \u0026mut Frame) {\n \n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","bin","support","clipboard.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","bin","support","emmagui_support.rs"],"content":"use std::fs::File;\nuse std::io::Read;\nuse std::path::{Path, PathBuf};\nuse std::thread::sleep;\nuse std::time::Duration;\nuse imgui::{Condition, ImColor32, Ui};\nuse log::debug;\nuse emmaemu::chip8::computer::Chip8Computer;\nuse emmaemu::chip8::system_memory::Chip8SystemMemory;\nuse emmaemu::constants::{CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH};\nuse crate::UiState;\n\n\npub struct EmmaGui {}\n\nconst CELL_WIDTH: i32 = 5i32;\nconst CELL_HEIGHT: i32 = 5i32;\n\nstruct 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 for (index, entry) in std::fs::read_dir(root.as_path()).unwrap().enumerate() {\n let filename = entry.unwrap().file_name();\n let filename = filename.to_str().unwrap();\n let mut working_select = ui.selectable_config(format!(\"{}\", filename));\n if filename == selected_filename {\n working_select = working_select.selected(true);\n }\n if working_select.build() {\n debug!(\"SELECTED {index} / {filename}\");\n working_filename = filename.to_string();\n };\n }\n working_filename\n }\n}\n\n\nimpl EmmaGui {\n pub fn video_display(system_to_control: \u0026Chip8Computer, gui_state: \u0026UiState, ui: \u0026Ui) {\n // draw area size\n let draw_area_size = ui.io().display_size;\n let cell_width = ((draw_area_size[0] as i32 / 64) * 6) / 10;\n let cell_height = ((draw_area_size[1] as i32 / 32) * 6) / 10;\n\n ui.window(format!(\"Display {cell_width}x{cell_height}\"))\n .size([300.0, 300.0], Condition::FirstUseEver)\n .build(|| {\n let origin = ui.cursor_screen_pos();\n let fg = ui.get_window_draw_list();\n ui.text(\"This is the video display.\");\n for current_row in 0..=31 {\n for current_column in 0..=63 {\n let x_offset = origin[0] as i32 + (current_column * cell_width);\n let y_offset = origin[1] as i32 + (current_row * cell_height);\n let current_origin = [x_offset as f32, y_offset as f32];\n let current_limit = [(x_offset + cell_width) as f32, (y_offset + cell_height) as f32];\n let memory_offset = (current_row * 64 + 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(current_origin, current_limit, color, color, color, color);\n }\n }\n });\n }\n pub fn system_controls(system_to_control: \u0026mut Chip8Computer, gui_state: \u0026mut UiState, ui: \u0026Ui) {\n ui.window(\"!!!! CONTROLS !!!!\")\n .size([345.0, 200.0], Condition::FirstUseEver)\n .build(|| {\n /* ROM Lister */\n let new_filename = GuiFileList::display_path(PathBuf::from(\"resources/roms\"), \u0026gui_state.filename_to_load, ui);\n if !new_filename.is_empty() {\n if new_filename != gui_state.filename_to_load {\n println!(\"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::new();\n\n println!(\"PREPARING TO LOAD {}\", gui_state.filename_to_load);\n // let mut input_file = File::open(Path::new(\"./1-chip8-logo.ch8\")).expect(\"put 1-chip8-logo.ch8 in this directory\");\n let mut input_file = File::open(Path::new(\u0026(\"resources/roms/\".to_string() + \u0026gui_state.filename_to_load))).expect(\"put 1-chip8-logo.ch8 in this directory\");\n input_file.read_to_end(\u0026mut buffer).expect(\"unable to read file\");\n system_to_control.load_bytes_to_memory(0x200, buffer.into());\n }\n }\n ui.separator();\n if ui.button(\"Step\") {\n system_to_control.step_system();\n };\n if ui.button(\"Run\") {\n gui_state.is_running = true;\n println!(\"STARTING THE SYSTEM\");\n }\n if ui.button(\"Stop\") {\n gui_state.is_running = false;\n println!(\"STOPPING THE SYSTEM\");\n }\n ui.same_line();\n if ui.button(\"Reset\") {\n *system_to_control = Chip8Computer::new();\n }\n if ui.button(\"Dump Video Memory\") {\n println!(\"{}\", system_to_control.dump_video_to_string());\n }\n ui.same_line();\n if ui.button(\"Dump Keypad State\") {\n println!(\"{}\", system_to_control.dump_keypad_to_string());\n }\n ui.same_line();\n if ui.button(\"Dump Registers\") {\n println!(\"{}\", system_to_control.dump_registers_to_string());\n }\n ui.separator();\n\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 });\n }\n\n pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026Ui) {\n ui.window(\"Registers\")\n .size([400.0, 500.0], 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(bytes: Chip8SystemMemory, position: (i32, i32), active: i16, ui: \u0026Ui) {\n let rows = position.0;\n let cols = position.1;\n ui.window(\"System Memory\")\n .size([400.0, 300.0], Condition::FirstUseEver)\n .position([500.0, 300.0], Condition::Always)\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(text_location, [bounding_box.x, bounding_box.y]);\n let is_active = data_offset == active as i32;\n\n ui.text_colored(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 }, 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 println!(\"Offset: [{}] [0x{:02x}] Value: [{}]\", data_offset, data_offset, formatted_text.clone());\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!(\"Offset 0x{:03x}\", current_x_hover * cols + current_y_hover));\n });\n }\n\n pub fn system_memory_render(memory: Chip8SystemMemory, ui: \u0026Ui) {\n ui.window(\"System Memory\")\n .size([300.0, 100.0], Condition::FirstUseEver)\n .build(|| {\n ui.text(\"Rendering System Memory Here\");\n let draw_list = ui.get_foreground_draw_list();\n let mut idx = 0;\n for row in 0..CHIP8_VIDEO_HEIGHT {\n for column in 0..CHIP8_VIDEO_WIDTH {\n let x_offset = column * CELL_WIDTH;\n let y_offset = row * CELL_WIDTH;\n let start_point = [x_offset as f32, y_offset as f32];\n let end_point = [(x_offset + CELL_WIDTH) as f32,\n (y_offset + CELL_HEIGHT) as f32\n ];\n let memory_offset = (row * CHIP8_VIDEO_WIDTH) + column;\n let target_color = if memory.peek(memory_offset as u16) == 0 {\n ImColor32::BLACK\n } else {\n ImColor32::WHITE\n };\n draw_list.add_rect([x_offset as f32, y_offset as f32],\n [(x_offset + CELL_WIDTH) as f32, (y_offset + CELL_HEIGHT) as f32],\n target_color).build();\n idx += 1;\n }\n }\n });\n 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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::dpi::LogicalSize;\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 emmagui_support;\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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log::{debug, error};\nuse crate::chip8::delay_timer::DelayTimer;\nuse crate::chip8::instructions::Chip8CpuInstructions::XXXXERRORINSTRUCTION;\nuse crate::chip8::keypad::Keypad;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8::sound_timer::SoundTimer;\nuse crate::chip8::stack::Chip8Stack;\nuse crate::chip8::util::InstructionUtil;\nuse crate::constants::{CHIP8_MEMORY_SIZE, CHIP8_REGISTER_COUNT};\n\nuse super::{\n cpu_states::Chip8CpuStates, instructions::Chip8CpuInstructions, system_memory::Chip8SystemMemory, video::Chip8Video,\n};\n\nconst STACK_POINTER_DEFAULT: i16 = 0x100;\n\n#[derive(Clone)]\npub struct Chip8Computer {\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}\nimpl Default for Chip8Computer {\n fn default() -\u003e Self {\n Self {\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 }\n }\n}\n\nimpl Chip8Computer {\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.video_memory.format_as_string()\n }\n\n pub fn new_with_program(new_program: Box\u003cVec\u003cu16\u003e\u003e) -\u003e Self {\n let mut working = Chip8Computer::new();\n for i in 0..new_program.len() {\n let high_byte = (new_program[i as usize] \u003e\u003e 8) as u8;\n let low_byte = (new_program[i] \u0026 0xff) as u8;\n let base_offset = i * 2;\n working.memory.poke(base_offset as u16, high_byte);\n working.memory.poke((base_offset + 1) as u16, low_byte);\n }\n working\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: Box\u003cVec\u003cu8\u003e\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 }\n\n pub fn step_system(\u0026mut self) -\u003e \u0026mut Chip8Computer {\n debug!(\"Stepping System 1 Step\");\n // read the next instruction\n\n let mut working_instruction: u16 = 0b0000000000000000;\n let start_pc = self.registers.peek_pc();\n let high_byte = (self.memory.clone().peek(start_pc) as u16).rotate_left(8);\n let low_byte = self.memory.clone().peek(start_pc + 1) as u16;\n let result = high_byte | low_byte;\n let decoded_instruction =\n Chip8CpuInstructions::decode(result);\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 self.sound_timer.tick();\n self.delay_timer.tick();\n }\n Chip8CpuStates::WaitingForKey =\u003e {\n println!(\"waiting for a key press...\");\n }\n _ =\u003e {}\n }\n self\n }\n}\n\n#[cfg(test)]\nmod test {\n use rand::random;\n use crate::constants::CHIP8_VIDEO_MEMORY;\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n 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Copy, Default)]\npub enum Chip8CpuStates {\n #[default]\n WaitingForInstruction,\n WaitingForKey,\n ExecutingInstruction,\n Error,\n}\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","chip8","delay_timer.rs"],"content":"#[derive(Clone, Copy)]\npub struct DelayTimer {\n counter: i32\n}\n\nimpl DelayTimer {\n pub fn current(\u0026self) -\u003e i32 {\n self.counter\n }\n\n pub fn new() -\u003e Self {\n DelayTimer {\n counter: 0xff\n }\n }\n pub fn set_timer(\u0026mut self, new_value: i32) {\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\n#[cfg(test)]\nmod test {\n use crate::chip8::sound_timer::SoundTimer;\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn 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]\n fn 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":[{"line":7,"address":[1838736],"length":1,"stats":{"Line":1}},{"line":8,"address":[1838741],"length":1,"stats":{"Line":1}},{"line":16,"address":[1838768],"length":1,"stats":{"Line":1}},{"line":17,"address":[1838777],"length":1,"stats":{"Line":2}},{"line":20,"address":[1838784],"length":1,"stats":{"Line":1}},{"line":21,"address":[1838837,1838798],"length":1,"stats":{"Line":2}},{"line":22,"address":[1838839,1838813],"length":1,"stats":{"Line":1}}],"covered":7,"coverable":7},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","chip8","instructions.rs"],"content":"use std::ops::{Shl, Shr};\nuse imgui::ColorPicker3;\nuse log::debug;\nuse rand::random;\nuse crate::chip8::computer::{Chip8Computer};\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForKey;\nuse crate::chip8::instructions::Chip8CpuInstructions::XXXXERRORINSTRUCTION;\nuse crate::chip8::util::InstructionUtil;\nuse crate::chip8::video::Chip8Video;\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)]\npub enum Chip8CpuInstructions {\n /// 0nnn\n /// Exit to System Call at nnn\n SysAddr(i16),\n /// Clear Screen\n CLS,\n /// Return from Subroutine\n RET,\n /// 1nnn\n /// Jump to Address nnn\n JpAddr(i16),\n /// 2nnn\n /// Call Subroutine at nnn\n CallAddr(i16),\n /// 0x3xkk\n /// Skip next instruction if Vx == kk\n SeVxByte(i16, i16),\n /// 4xkk\n /// Skip next instruction if Vx != kk\n SneVxByte(i16, i16),\n /// 5xy0\n /// Skip next instruction if Vx == Vy\n SeVxVy(u16, u16),\n /// 6xkk\n /// Set Vx = kk\n LdVxByte(u16, u16),\n /// 7xkk\n /// Set Vx = Vx + kk\n AddVxByte(u16, u16),\n /// 8xy0\n /// Set Vx = Vy\n LdVxVy(u16, u16),\n /// 8xy1\n /// Set Vx = Vx OR Vy\n OrVxVy(u16, u16),\n /// 8xy2\n /// Set Vx = Vx AND Vy\n AndVxVy(u16, u16),\n /// 8xy3\n /// Set Vx = Vx XOR Vy\n XorVxVy(u16, u16),\n /// 8xy4\n /// Set Vx = Vx + Vy\n /// Set VF=1 if Carry\n AddVxVy(u16, u16),\n /// 8xy5\n /// Set Vx = Vx - Vy\n /// Set VF=1 if No Borrow\n SubVxVy(u16, u16),\n /// 8xy6\n /// Set Vx = Vx SHR 1\n ShrVxVy(u16, u16),\n /// 8xy7\n /// Set Vx = Vy - Vx\n /// Set VF=1 if No Borrow\n SubnVxVy(u16, u16),\n /// 8xye\n /// Set Vx = Vx SHL 1\n ShlVxVy(u16, u16),\n /// 9xy0\n /// Skip next instruction if Vx != Vy\n SneVxVy(u16, u16),\n /// Annn\n /// Load I register with NNN\n LdIAddr(u16),\n /// Bnnn\n /// Jump to nnn+V0\n JpV0Addr(u16),\n /// Cxkk\n /// Set Vx = Random u8 AND kk\n RndVxByte(u16, u16),\n /// Dxyn\n /// Display N byte tall sprite starting at Vx, Vy\n DrawVxVyNibble(u16, u16, u16),\n /// Ex9E\n /// Skip next instruction of key in Vx pressed\n SkpVx(u16),\n /// ExA1\n /// Skip Next If Key Not Pressed\n SnkpVx(u16),\n /// Fx07\n /// Set Vx = Dt\n LdVxDt(u16),\n /// Fx0A\n /// Wait for Key to be pressed and store\n /// in Vx\n LdVxK(u16),\n /// Fx15\n /// Load Value in Delay Timer to Vx\n LdDtVx(u16), // 0xFx15 Set Delay Timer\n /// Fx18\n /// Set Dt = Vx\n LdStVx(u16),\n AddIVx(u16), // 0xFx1E I = I + Vx\n LdFVx(u16), // 0xFx29 Set I = Location of sprite for Digit Vx\n LdBVx(u16), // 0xFx33 Store BCD of Vx in I, I+1, I+2\n LdIVx(u16), // 0xFx55 Store V0 to Vx in memory starting at I\n LdVxI(u16), // 0xFx65 Load V0 to Vx in memory starting at I\n XXXXERRORINSTRUCTION,\n}\n\nimpl Chip8CpuInstructions {\n pub fn encode(\u0026self) -\u003e u16 {\n match self {\n Chip8CpuInstructions::SysAddr(target) =\u003e {\n (0x0000 | (target \u0026 0x0FFF)) as u16\n }\n Chip8CpuInstructions::CLS =\u003e {\n 0x00E0\n }\n Chip8CpuInstructions::RET =\u003e {\n 0x00EE\n }\n Chip8CpuInstructions::JpAddr(new_addr) =\u003e {\n 0x1000 | (new_addr \u0026 0x0FFF) as u16\n }\n Chip8CpuInstructions::CallAddr(address) =\u003e {\n (0x2000 | (address \u0026 0x0FFF)) as u16\n }\n Chip8CpuInstructions::SeVxByte(vx_register, byte) =\u003e {\n (0x3000 | (vx_register \u003c\u003c 8 | byte) as u16)\n }\n Chip8CpuInstructions::SneVxByte(vx_register, byte) =\u003e {\n (0x4000i16 | vx_register \u003c\u003c 8 | byte) as u16\n }\n Chip8CpuInstructions::SeVxVy(x_register, y_register) =\u003e {\n 0x5000u16 | (x_register \u003c\u003c 8 | y_register \u003c\u003c 4)\n }\n Chip8CpuInstructions::LdVxByte(x_register, byte) =\u003e {\n 0x6000u16 | x_register \u003c\u003c 8 | byte\n }\n Chip8CpuInstructions::AddVxByte(x_register, byte) =\u003e {\n 0x7000u16 | x_register \u003c\u003c 8 | byte\n }\n Chip8CpuInstructions::LdVxVy(x_register, y_register) =\u003e {\n 0x8000u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::OrVxVy(x_register, y_register) =\u003e {\n 0x8001u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::AndVxVy(x_register, y_register) =\u003e {\n 0x8002u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::XorVxVy(x_register, y_register) =\u003e {\n 0x8003u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::AddVxVy(x_register, y_register) =\u003e {\n 0x8004u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::SubVxVy(x_register, y_register) =\u003e {\n 0x8005u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::ShrVxVy(x_register, y_register) =\u003e {\n 0x8006u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::SubnVxVy(x_register, y_register) =\u003e {\n 0x8007u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::ShlVxVy(x_register, y_register) =\u003e {\n 0x800Eu16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::SneVxVy(x_register, y_register) =\u003e {\n 0x9000u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::LdIAddr(addr) =\u003e {\n 0xA000u16 | addr\n }\n Chip8CpuInstructions::JpV0Addr(addr) =\u003e {\n 0xB000u16 | addr\n }\n Chip8CpuInstructions::RndVxByte(x_register, byte) =\u003e {\n 0xC000u16 | x_register \u003c\u003c 8 | byte\n }\n Chip8CpuInstructions::DrawVxVyNibble(x_register, y_register, height) =\u003e {\n 0xD000u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4 | height\n }\n Chip8CpuInstructions::SkpVx(x_register) =\u003e {\n 0xE09Eu16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::SnkpVx(x_register) =\u003e {\n 0xE0A1u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdVxDt(x_register) =\u003e {\n 0xF007u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdVxK(x_register) =\u003e {\n 0xF00Au16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdDtVx(x_register) =\u003e {\n 0xF015u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdStVx(x_register) =\u003e {\n 0xF018u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::AddIVx(x_register) =\u003e {\n 0xF01Eu16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdFVx(x_register) =\u003e {\n 0xF029u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdBVx(x_register) =\u003e {\n 0xf033u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdIVx(x_register) =\u003e {\n 0xf055u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdVxI(x_register) =\u003e {\n 0xf065u16 | x_register \u003c\u003c 8\n }\n XXXXERRORINSTRUCTION =\u003e {\n 0xffff\n }\n }\n }\n pub fn decode(input: u16) -\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;\n\n match input {\n 0x00E0 =\u003e {\n // 00E0 - CLS\n // Clear the display.\n Chip8CpuInstructions::CLS\n }\n 0x00EE =\u003e {\n // 00EE - RET\n // Return from a subroutine.\n Chip8CpuInstructions::RET\n }\n 0x0000..=0x0FFF =\u003e {\n // 0nnn - SYS addr\n // Jump to a machine code routine at nnn.\n Chip8CpuInstructions::SysAddr(addr_param as i16)\n }\n 0x1000..=0x1FFF =\u003e {\n // 1nnn - JP addr\n // Jump to location nnn.\n Chip8CpuInstructions::JpAddr(addr_param as i16)\n }\n 0x2000..=0x2FFF =\u003e {\n // 2nnn - CALL addr\n // Call subroutine at nnn.\n Chip8CpuInstructions::CallAddr(addr_param as i16)\n }\n 0x3000..=0x3FFF =\u003e {\n // 3xkk - SE Vx, byte\n // Skip next instruction if Vx = kk.\n Chip8CpuInstructions::SeVxByte(x_param as i16, byte_param as i16)\n }\n 0x4000..=0x4FFF =\u003e {\n // 4xkk - SNE Vx, byte\n // Skip next instruction if Vx != kk.\n Chip8CpuInstructions::SneVxByte(x_param as i16, byte_param as i16)\n }\n 0x5000..=0x5FF0 =\u003e {\n // 5xy0 - SE Vx, Vy\n // Skip next instruction if Vx = Vy.\n // if the last nibble isn't 0...\n if 0xf \u0026 input \u003e 0 {\n // ... we have a problem.\n Chip8CpuInstructions::XXXXERRORINSTRUCTION\n } else {\n Chip8CpuInstructions::SeVxVy(x_param, y_param)\n }\n }\n 0x6000..=0x6FFF =\u003e {\n // 6xkk - LD Vx, byte\n // Set Vx = kk.\n Chip8CpuInstructions::LdVxByte(x_param, byte_param)\n }\n 0x7000..=0x7FFF =\u003e {\n // ADD Vx, Byte\n Chip8CpuInstructions::AddVxByte(x_param, byte_param)\n }\n 0x8000..=0x8FFE =\u003e {\n // 0x8000 Series\n let last_nibble = input \u0026 0xF;\n match last_nibble {\n 0x0 =\u003e {\n // LD Vx, Vy\n Chip8CpuInstructions::LdVxVy(x_param, y_param)\n }\n 0x1 =\u003e {\n // OR Vx, Vy\n Chip8CpuInstructions::OrVxVy(x_param, y_param)\n }\n 0x2 =\u003e {\n // AND Vx, Vy\n Chip8CpuInstructions::AndVxVy(x_param, y_param)\n }\n 0x3 =\u003e {\n // XOR Vx, Vy\n Chip8CpuInstructions::XorVxVy(x_param, y_param)\n }\n 0x4 =\u003e {\n // ADD Vx, Vy\n Chip8CpuInstructions::AddVxVy(x_param, y_param)\n }\n 0x5 =\u003e {\n // SUB Vx, Vy\n Chip8CpuInstructions::SubVxVy(x_param, y_param)\n }\n 0x6 =\u003e {\n // SHR Vx, {, Vy }\n Chip8CpuInstructions::ShrVxVy(x_param, y_param)\n }\n 0x7 =\u003e {\n // SUBN Vx, Vy\n Chip8CpuInstructions::SubnVxVy(x_param, y_param)\n }\n 0xE =\u003e {\n // SHL Vx, {, Vy}\n Chip8CpuInstructions::ShlVxVy(x_param, y_param)\n }\n _ =\u003e {\n Chip8CpuInstructions::XXXXERRORINSTRUCTION\n }\n }\n }\n 0x9000..=0x9FF0 =\u003e {\n // SNE Vx, Vy\n if 0xf \u0026 input \u003e 0 {\n XXXXERRORINSTRUCTION\n } else {\n Chip8CpuInstructions::SneVxVy(x_param, y_param)\n }\n }\n 0xA000..=0xAFFF =\u003e {\n // LD I, Addr\n Chip8CpuInstructions::LdIAddr(addr_param)\n }\n 0xB000..=0xBFFF =\u003e {\n // JP V0, Addr\n Chip8CpuInstructions::JpV0Addr(addr_param)\n }\n 0xC000..=0xCFFF =\u003e {\n // RND Vx, byte\n Chip8CpuInstructions::RndVxByte(x_param, byte_param)\n }\n 0xD000..=0xDFFF =\u003e {\n // DRAW Vx, Vy, nibble\n Chip8CpuInstructions::DrawVxVyNibble(x_param, y_param, nibble_param)\n }\n 0xE09E..=0xEFA1 =\u003e {\n match last_byte {\n 0x9E =\u003e {\n Chip8CpuInstructions::SkpVx(ubln)\n }\n 0xA1 =\u003e {\n Chip8CpuInstructions::SnkpVx(ubln)\n }\n _ =\u003e {\n XXXXERRORINSTRUCTION\n }\n }\n }\n 0xF007..=0xFF65 =\u003e {\n match last_byte {\n 0x07 =\u003e {\n Chip8CpuInstructions::LdVxDt(ubln)\n }\n 0x0A =\u003e {\n Chip8CpuInstructions::LdVxK(ubln)\n }\n 0x15 =\u003e {\n Chip8CpuInstructions::LdDtVx(ubln)\n }\n 0x18 =\u003e {\n Chip8CpuInstructions::LdStVx(ubln)\n }\n 0x1E =\u003e {\n Chip8CpuInstructions::AddIVx(ubln)\n }\n 0x29 =\u003e {\n Chip8CpuInstructions::LdFVx(ubln)\n }\n 0x33 =\u003e {\n Chip8CpuInstructions::LdBVx(ubln)\n }\n 0x55 =\u003e {\n Chip8CpuInstructions::LdIVx(ubln)\n }\n 0x65 =\u003e {\n Chip8CpuInstructions::LdVxI(ubln)\n }\n _ =\u003e {\n XXXXERRORINSTRUCTION\n }\n }\n }\n _ =\u003e {\n XXXXERRORINSTRUCTION\n }\n }\n }\n\n pub fn execute(\u0026self, mut input: \u0026mut Chip8Computer) -\u003e Chip8Computer {\n let start_pc = input.registers.peek_pc();\n input.registers.poke_pc(start_pc + 2);\n let _ = match self {\n // 0x0nnn Exit to System Call\n Chip8CpuInstructions::SysAddr(new_address) =\u003e {\n debug!(\"SysAddr [0x{new_address:3x}]\");\n\n input.registers.poke_pc(*new_address as u16);\n }\n // * 0x00E0 Clear Screen\n Chip8CpuInstructions::CLS =\u003e {\n for i in 0..(64 * 32) {\n input.video_memory.poke(i, false);\n }\n }\n // 0x00EE Return from Subroutine\n Chip8CpuInstructions::RET =\u003e {\n let return_address = input.stack.pop();\n debug!(\"Returning from subroutine to {return_address:03x}\");\n input.registers.poke_pc(return_address);\n }\n // 0x1nnn Jump to Address\n Chip8CpuInstructions::JpAddr(new_address) =\u003e {\n debug!(\"JpAddr [0x{new_address:3x}]\");\n input.registers.poke_pc(*new_address as u16);\n }\n // 0x2nnn Call Subroutine\n Chip8CpuInstructions::CallAddr(new_address) =\u003e {\n debug!(\"CALL ADDR 0x{new_address:3x}\");\n let return_address = input.registers.peek_pc();\n input.registers.poke_pc(*new_address as u16);\n input.stack.push(\u0026return_address);\n }\n // 0x3xkk Skip next instruction if Vx = kk.\n Chip8CpuInstructions::SeVxByte(vx_register, byte) =\u003e {\n if input.registers.peek(*vx_register as u8) == *byte as u8 {\n input.registers.advance_pc();\n }\n debug!(\"SeVxByte [0x{vx_register:1x}] [0x{byte:2x}]\");\n }\n // 0x4xkk Skip next instruction if Vx != kk\n Chip8CpuInstructions::SneVxByte(x, byte) =\u003e {\n if input.registers.peek(*x as u8) != *byte as u8 {\n input.registers.advance_pc();\n }\n debug!(\"SneVxByte [0x{x:1x}] [0x{byte:2x}\");\n }\n // 0x5xy0 Skip next instruction if Vx == Vy\n Chip8CpuInstructions::SeVxVy(x, y) =\u003e {\n let lhs = input.registers.peek(*x as u8);\n let rhs = input.registers.peek(*y as u8);\n\n if lhs == rhs {\n input.registers.advance_pc();\n }\n debug!(\"SeVxVy [0x{x:1x}] [0x{y:1x}]\");\n }\n // 0x6xkk Set Vx = kk\n Chip8CpuInstructions::LdVxByte(register, byte) =\u003e {\n let byte_value = *byte as u8;\n input.registers.poke(*register as u8, byte_value);\n debug!(\"LdVxByte [0x{register:1x}] [0x{byte:2.0x}]\");\n }\n // 0x7xkk Set Vx = Vx + kk\n Chip8CpuInstructions::AddVxByte(vx_register, byte) =\u003e {\n let x_value: u16 = input.registers.peek(*vx_register as u8) as u16;\n let value_to_poke = (x_value + *byte) as u8;\n input.registers.poke(*vx_register as u8, value_to_poke);\n debug!(\"AddVxByte [0x{vx_register:1x}] [0x{byte:02x}] [0x{value_to_poke:02x}\");\n }\n // 0x8xy0 Set value of Vy in Vx\n Chip8CpuInstructions::LdVxVy(x, y) =\u003e {\n input.registers.poke(*x as u8, input.registers.peek(*y as u8));\n debug!(\"LdVxVy [0x{x:1x}] [0x{y:1x}]\");\n }\n // 0x8xy1 Set Vx = Vx OR Vy\n Chip8CpuInstructions::OrVxVy(x, y) =\u003e {\n // shift them to 16 bit\n let working_16_x = input.registers.peek(*x as u8) as u16;\n let working_16_y = input.registers.peek(*y as u8) as u16;\n // OR them\n let working_16_or = working_16_x | working_16_y;\n // shift them back to 8 bit.\n let to_set = working_16_or as u8;\n input.registers.poke(*x as u8, to_set);\n debug!(\"OrVxVy [0x{x:1x}] [0x{y:1x}]\")\n }\n // 0x8xy2 Set Vx = Vx AND Vy\n Chip8CpuInstructions::AndVxVy(x, y) =\u003e {\n let lhs_16 = input.registers.peek(*x as u8) as u16;\n let rhs_16 = input.registers.peek(*y as u8) as u16;\n let and_16 = lhs_16 \u0026 rhs_16;\n\n input.registers.poke(*x as u8, and_16 as u8);\n debug!(\"AndVxVy [0x{x:02x}] [0x{y:02x}] [0b{and_16:08b}\");\n }\n // 0x8xy3 Set Vx = Vx XOR Vy\n Chip8CpuInstructions::XorVxVy(x, y) =\u003e {\n let lhs_16 = input.registers.peek(*x as u8) as u16;\n let rhs_16 = input.registers.peek(*y as u8) as u16;\n let xor_16 = lhs_16 ^ rhs_16;\n input.registers.poke(*x as u8, xor_16 as u8);\n }\n // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n Chip8CpuInstructions::AddVxVy(x, y) =\u003e {\n let lhs = input.registers.peek(*x as u8) as i16;\n let rhs = input.registers.peek(*y as u8) as i16;\n let working = lhs + rhs;\n if working \u003e 0xff {\n input.registers.poke(0xf, 0x01);\n }\n input.registers.poke(*x as u8, working as u8);\n }\n Chip8CpuInstructions::SubVxVy(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 let mut x_value: u16 = input.registers.peek(*x as u8) as u16;\n let y_value = input.registers.peek(*y as u8);\n // do we borrow?\n if y_value \u003e= x_value as u8 {\n x_value += 256;\n input.registers.poke(0xf, 1);\n } else {\n input.registers.poke(0xf, 0);\n }\n let result = (x_value - y_value as u16) as u8;\n input.registers.poke(*x as u8, result);\n }\n Chip8CpuInstructions::ShrVxVy(x, _) =\u003e {\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, otherwise 0. Then Vx is divided by 2.\n let initial_value = input.registers.peek(*x as u8);\n if 0xb1 \u0026 initial_value == 1 {\n input.registers.poke(0xf, 1);\n }\n input.registers.poke(*x as u8, initial_value.shr(1));\n }\n Chip8CpuInstructions::SubnVxVy(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 as u8);\n let x_register = input.registers.peek(*x as u8);\n let new_value = if y_register \u003c= x_register { 1 } else { 0 };\n let value_to_poke = if y_register \u003c= x_register {\n ((y_register as u16 + 256) - x_register as u16) as u8\n } else {\n y_register - x_register\n };\n input.registers.poke(0xf, new_value);\n input.registers.poke(*x as u8, value_to_poke);\n }\n\n Chip8CpuInstructions::ShlVxVy(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 as u8);\n if 0x80 \u0026 initial_value == 0x80 {\n input.registers.poke(0xf, 1);\n }\n input.registers.poke(*x as u8, initial_value.shl(1));\n }\n Chip8CpuInstructions::SneVxVy(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 as u8);\n let y_reg_value = input.registers.peek(*vy_register as u8);\n if x_reg_value != y_reg_value {\n input.registers.advance_pc();\n }\n }\n Chip8CpuInstructions::LdIAddr(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::JpV0Addr(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.registers.poke_pc(input.registers.peek(0) as u16 + addr);\n }\n Chip8CpuInstructions::RndVxByte(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 new_value: u8 = random();\n input.registers.poke(*x as u8, (new_value \u0026 *byte as u8))\n }\n Chip8CpuInstructions::DrawVxVyNibble(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\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\n let x_offset = input.registers.peek(*x as u8);\n let y_offset = input.registers.peek(*y as u8);\n\n println!(\"X_OFFSET = {x_offset} / y_offset = {y_offset}\");\n let target_memory_offset = x_offset as u16 * 64 + y_offset as u16;\n\n println!(\"CHIP8CPUINSTRUCTION:DRAWVXNIBBLE -\u003e STARTING AT {source_memory_offset} WRITING TO {target_memory_offset}\");\n let num_bytes_to_read = *n;\n println!(\"CHIP8CPUINSTRUCTION:DRAWVXNIBBLE -\u003e PREPARING TO READ {num_bytes_to_read} BYTES FROM MEMORY TO VIDEO\");\n for byte_index in 0..num_bytes_to_read {\n let current_byte = input.memory.peek(byte_index + source_memory_offset);\n println!(\"CHIP8CPUINSTRUCTION:DRAWVXNIBBLE -\u003e READ BYTE [0x{byte_index:2x}]\\t{current_byte:02x}\\t{current_byte:08b}\");\n for bit_index in 0..8 {\n let data_offset = ((x_offset as u16 + byte_index) * 64 ) + (y_offset + bit_index) as u16;\n let current_bit = (current_byte.shr(7 - bit_index) \u0026 0x1u8) == 0x1u8;\n input.video_memory.poke(data_offset, current_bit);\n }\n }\n\n println!(\"PPOOSSTT -\u003e CHIP8CPUINSTRUCTION:DRAWVXNIBBLE -\u003e {}\", input.video_memory.format_as_string());\n\n let mut did_change: bool = false;\n\n if did_change {\n input.registers.poke(0xf, 1u8);\n } else {\n input.registers.poke(0xf, 0u8);\n }\n }\n Chip8CpuInstructions::SkpVx(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 as u8);\n let is_pressed = input.keypad.pressed(key_to_check);\n if is_pressed {\n input.registers.advance_pc();\n }\n }\n Chip8CpuInstructions::SnkpVx(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 as u8);\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::LdVxDt(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 as u8, value_to_set as u8);\n }\n Chip8CpuInstructions::LdVxK(x) =\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::LdDtVx(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 as u8);\n input.delay_timer.set_timer(new_time as i32);\n }\n Chip8CpuInstructions::LdStVx(new_time) =\u003e {\n let new_value = input.registers.peek(*new_time as u8);\n input.sound_timer.set_timer(new_value as i32);\n }\n Chip8CpuInstructions::AddIVx(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 as u8);\n input.registers.poke_i(base + x_value as u16);\n }\n Chip8CpuInstructions::LdFVx(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 to_offset = input.registers.peek(*x as u8) - 1;\n let real_offset = to_offset as u16 * 5;\n input.registers.poke_i(real_offset as u16);\n }\n Chip8CpuInstructions::LdBVx(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 as u8);\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 // Convert to BCD\n let result = ((hundreds as u16) \u003c\u003c 8) | units as u16;\n (tens \u003c\u003c 4) | units;\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::LdIVx(x) =\u003e {\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 offset = input.registers.peek_i();\n for i in 0..*x {\n input.memory.poke(offset + i, input.registers.peek(i as u8));\n }\n input.registers.poke_i(offset + 1);\n }\n Chip8CpuInstructions::LdVxI(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 println!(\"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 as u8, src_value);\n println!(\"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 };\n input.clone()\n }\n}\n\n#[cfg(test)]\nmod test {\n use dimensioned::typenum::assert_type;\n use ratatui::crossterm::execute;\n use crate::chip8::cpu_states::Chip8CpuStates;\n use crate::chip8::system_memory::{CHIP8FONT_0, CHIP8FONT_1, CHIP8FONT_2, CHIP8FONT_9};\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn encode_decode_test() {\n assert_eq!(Chip8CpuInstructions::CLS.encode(), 0x00E0);\n assert_eq!(Chip8CpuInstructions::RET.encode(), 0x00EE);\n assert_eq!(Chip8CpuInstructions::SysAddr(0x123).encode(), 0x0123);\n assert_eq!(Chip8CpuInstructions::JpAddr(0x234).encode(), 0x1234);\n assert_eq!(Chip8CpuInstructions::CallAddr(0x345).encode(), 0x2345);\n assert_eq!(Chip8CpuInstructions::SeVxByte(0x4, 0x56).encode(), 0x3456);\n assert_eq!(Chip8CpuInstructions::SneVxByte(0xa, 0xbc).encode(), 0x4abc);\n assert_eq!(Chip8CpuInstructions::SeVxVy(0xa, 0xb).encode(), 0x5ab0);\n assert_eq!(Chip8CpuInstructions::LdVxByte(0xa, 0xff).encode(), 0x6aff);\n assert_eq!(Chip8CpuInstructions::AddVxByte(0xa, 0xbc).encode(), 0x7abc);\n assert_eq!(Chip8CpuInstructions::LdVxVy(0xa, 0xb).encode(), 0x8ab0);\n assert_eq!(Chip8CpuInstructions::OrVxVy(0xb, 0xa).encode(), 0x8ba1);\n assert_eq!(Chip8CpuInstructions::AndVxVy(0xc, 0xd).encode(), 0x8cd2);\n assert_eq!(Chip8CpuInstructions::XorVxVy(0xd, 0xe).encode(), 0x8de3);\n assert_eq!(Chip8CpuInstructions::AddVxVy(0xe, 0xf).encode(), 0x8ef4);\n assert_eq!(Chip8CpuInstructions::SubVxVy(0xf, 0x0).encode(), 0x8f05);\n assert_eq!(Chip8CpuInstructions::ShrVxVy(0x0, 0x1).encode(), 0x8016);\n assert_eq!(Chip8CpuInstructions::SubnVxVy(0x1, 0x2).encode(), 0x8127);\n assert_eq!(Chip8CpuInstructions::ShlVxVy(0x3, 0x4).encode(), 0x834e);\n assert_eq!(Chip8CpuInstructions::SneVxVy(0xa, 0xb).encode(), 0x9ab0);\n assert_eq!(Chip8CpuInstructions::LdIAddr(0x123).encode(), 0xa123);\n assert_eq!(Chip8CpuInstructions::JpV0Addr(0x234).encode(), 0xb234);\n assert_eq!(Chip8CpuInstructions::RndVxByte(0xa, 0xca).encode(), 0xcaca);\n assert_eq!(Chip8CpuInstructions::DrawVxVyNibble(0xa, 0xb, 0x4).encode(), 0xdab4);\n assert_eq!(Chip8CpuInstructions::SkpVx(0x1).encode(), 0xe19e);\n assert_eq!(Chip8CpuInstructions::SnkpVx(0x2).encode(), 0xe2a1);\n assert_eq!(Chip8CpuInstructions::LdVxDt(0x1).encode(), 0xf107);\n assert_eq!(Chip8CpuInstructions::LdVxK(0x4).encode(), 0xf40a);\n assert_eq!(Chip8CpuInstructions::LdDtVx(0x6).encode(), 0xf615);\n assert_eq!(Chip8CpuInstructions::LdStVx(0xb).encode(), 0xfb18);\n assert_eq!(Chip8CpuInstructions::AddIVx(0xd).encode(), 0xfd1e);\n assert_eq!(Chip8CpuInstructions::LdFVx(0xc).encode(), 0xfc29);\n assert_eq!(Chip8CpuInstructions::LdBVx(0xd).encode(), 0xfd33);\n assert_eq!(Chip8CpuInstructions::LdIVx(0xe).encode(), 0xfe55);\n assert_eq!(Chip8CpuInstructions::LdVxI(0x3).encode(), 0xf365);\n assert!(matches!(Chip8CpuInstructions::decode(0x00E0u16), Chip8CpuInstructions::CLS));\n assert!(matches!(Chip8CpuInstructions::decode(0x00EEu16), Chip8CpuInstructions::RET));\n assert!(matches!(Chip8CpuInstructions::decode(0x0123), Chip8CpuInstructions::SysAddr(0x123)));\n assert!(matches!(Chip8CpuInstructions::decode(0x0FFF), Chip8CpuInstructions::SysAddr(0xfff)));\n assert!(matches!(Chip8CpuInstructions::decode(0x1002), Chip8CpuInstructions::JpAddr(0x2)));\n assert!(matches!(Chip8CpuInstructions::decode(0x1FF0), Chip8CpuInstructions::JpAddr(0xFF0)));\n assert!(matches!(Chip8CpuInstructions::decode(0x2002), Chip8CpuInstructions::CallAddr(0x2)));\n assert!(matches!(Chip8CpuInstructions::decode(0x3123), Chip8CpuInstructions::SeVxByte(0x1, 0x23)));\n assert!(matches!(Chip8CpuInstructions::decode(0x4abc), Chip8CpuInstructions::SneVxByte(0xa, 0xbc)));\n assert!(matches!(Chip8CpuInstructions::decode(0x5ab0), Chip8CpuInstructions::SeVxVy(0xa, 0xb)));\n assert!(matches!(Chip8CpuInstructions::decode(0x6aff), Chip8CpuInstructions::LdVxByte(0xa, 0xff)));\n assert!(matches!(Chip8CpuInstructions::decode(0x7abc), Chip8CpuInstructions::AddVxByte(0xa, 0xbc)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8ab0), Chip8CpuInstructions::LdVxVy(0xa, 0xb)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8ba1), Chip8CpuInstructions::OrVxVy(0xb, 0xa)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8cd2), Chip8CpuInstructions::AndVxVy(0xc, 0xd)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8de3), Chip8CpuInstructions::XorVxVy(0xd, 0xe)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8ef4), Chip8CpuInstructions::AddVxVy(0xe, 0xf)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8f05), Chip8CpuInstructions::SubVxVy(0xf, 0x0)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8016), Chip8CpuInstructions::ShrVxVy(0x0, 0x1)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8127), Chip8CpuInstructions::SubnVxVy(0x1, 0x2)));\n assert!(matches!(Chip8CpuInstructions::decode(0x834e), Chip8CpuInstructions::ShlVxVy(0x3, 0x4)));\n assert!(matches!(Chip8CpuInstructions::decode(0x9ab0), Chip8CpuInstructions::SneVxVy(0xa, 0xb)));\n assert!(matches!(Chip8CpuInstructions::decode(0xa123), Chip8CpuInstructions::LdIAddr(0x123)));\n assert!(matches!(Chip8CpuInstructions::decode(0xb234), Chip8CpuInstructions::JpV0Addr(0x234)));\n assert!(matches!(Chip8CpuInstructions::decode(0xcaca), Chip8CpuInstructions::RndVxByte(0xa, 0xca)));\n assert!(matches!(Chip8CpuInstructions::decode(0xdab4), Chip8CpuInstructions::DrawVxVyNibble(0xa, 0xb, 0x4)));\n assert!(matches!(Chip8CpuInstructions::decode(0xe19e), Chip8CpuInstructions::SkpVx(0x1)));\n assert!(matches!(Chip8CpuInstructions::decode(0xe2a1), Chip8CpuInstructions::SnkpVx(0x2)));\n assert!(matches!(Chip8CpuInstructions::decode(0xf107), Chip8CpuInstructions::LdVxDt(0x1)));\n assert!(matches!(Chip8CpuInstructions::decode(0xf40a), Chip8CpuInstructions::LdVxK(0x4)));\n assert!(matches!(Chip8CpuInstructions::decode(0xf615), Chip8CpuInstructions::LdDtVx(0x6)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfb18), Chip8CpuInstructions::LdStVx(0xb)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfd1e), Chip8CpuInstructions::AddIVx(0xd)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfc29), Chip8CpuInstructions::LdFVx(0xc)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfd33), Chip8CpuInstructions::LdBVx(0xd)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfe55), Chip8CpuInstructions::LdIVx(0xe)));\n assert!(matches!(Chip8CpuInstructions::decode(0xf365), Chip8CpuInstructions::LdVxI(0x3)));\n }\n\n #[test]\n fn decoder_test_invalid_instructions() {\n let invalid_to_encode = [\n 0x5ab1, 0x5abf, 0x8ab8, 0x8abd, 0x8abf,\n 0x9ab1, 0x9abf, 0xea9d, 0xea9f, 0xeaa0,\n 0xeaa2, 0xf006, 0xf008\n ];\n\n for i in invalid_to_encode {\n assert_eq!(Chip8CpuInstructions::decode(i).encode(), 0xffff);\n assert!(matches!(Chip8CpuInstructions::decode(i), Chip8CpuInstructions::XXXXERRORINSTRUCTION));\n }\n }\n\n /// START OF THE EXECUTION TESTS\n #[test]\n fn sys_test() {\n // 0x0nnn Exit to System Call\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::SysAddr(0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0);\n\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::SysAddr(0xFA0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0xFA0);\n\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::SysAddr(0x0AF).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x0AF);\n }\n\n #[test]\n fn jpaddr_test() {\n // 0x1nnn Jump to Address\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::JpAddr(0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0);\n\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::JpAddr(0xABC).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0xABC);\n }\n\n // ** test moved up so it can be used later\n #[test]\n fn ld_vx_byte_test() {\n // 0x6xkk Set Vx = kk\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::LdVxByte(1, 0x12).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0x12);\n\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::LdVxByte(2, 0x21).execute(\u0026mut x);\n assert_eq!(x.registers.peek(2), 0x21);\n }\n\n #[test]\n fn sevxbyte_match_test() {\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::SeVxByte(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::SeVxByte(1, 0x84).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x204);\n }\n\n #[test]\n fn se_vx_vy_test() {\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::SeVxVy(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::SeVxVy(0x01, 0x02).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn ld_vx_vy_test() {\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::LdVxVy(0x01, 0x02).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0x02);\n }\n\n #[test]\n fn or_vx_vy_test() {\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::OrVxVy(1, 2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0b01011010);\n }\n\n #[test]\n fn and_vx_vy_test() {\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::AndVxVy(1, 2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0xC8);\n }\n\n #[test]\n fn xor_vx_vy_test() {\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::XorVxVy(1, 2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0b00110110);\n }\n\n #[test]\n fn add_vx_vy_test() {\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::AddVxVy(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::AddVxVy(1, 2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(0xf), 1);\n assert_eq!(x.registers.peek(1), 0);\n }\n\n #[test]\n fn shr_vx_vy_test() {\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::ShrVxVy(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::ShrVxVy(0x1, 0x2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0b00000100);\n assert_eq!(x.registers.peek(0xf), 1);\n }\n\n #[test]\n fn ldi_addr_test() {\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::LdIAddr(0x123).execute(\u0026mut x);\n assert_eq!(x.registers.peek_i(), 0x123);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn jp_v0addr_test() {\n let mut x = Chip8Computer::new();\n /// jump to I + nnn\n x.registers.poke(0x0, 0xff);\n Chip8CpuInstructions::JpV0Addr(0x100).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x1FF);\n }\n\n #[test]\n fn cls_test() {\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::CLS.execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn skip_next_instruction_ne_text() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0xf0);\n Chip8CpuInstructions::SneVxByte(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::SneVxByte(0x1, 0xf0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn addivx_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke_i(0xabc);\n x.registers.poke(0x0, 0x10);\n Chip8CpuInstructions::AddIVx(0x0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_i(), 0xacc);\n }\n\n #[test]\n fn ldstvt_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0xf0);\n Chip8CpuInstructions::LdStVx(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]\n fn rnd_vx_byte_text() {\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::RndVxByte(0x1, 0x0f).execute(\u0026mut x);\n let new_value = x.registers.peek(0x1);\n assert!(new_value \u003c 0x10);\n }\n\n #[test]\n fn 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::AddVxByte(0x1, 0x10).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0xbb);\n }\n\n #[test]\n fn 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::SubVxVy(0x1, 0x02).execute(\u0026mut x);\n assert_eq!(x.registers.peek(0xf), 0);\n assert_eq!(x.registers.peek(0x1), 0x8);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn sne_vx_vy_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0x10);\n x.registers.poke(0x2, 0x10);\n Chip8CpuInstructions::SneVxVy(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::SneVxVy(0x01, 0x02).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x204)\n }\n\n #[test]\n fn ld_dt_vx_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0x10);\n Chip8CpuInstructions::LdDtVx(0x1).execute(\u0026mut x);\n assert_eq!(x.delay_timer.current(), 0x10);\n for i in 0..0x20 {\n x.delay_timer.tick();\n }\n assert_eq!(x.delay_timer.current(), 0);\n }\n\n #[test]\n fn ld_vx_dt_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0xf0);\n Chip8CpuInstructions::LdDtVx(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]\n fn 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::SubnVxVy(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), 0x0);\n\n let mut x = Chip8Computer::new();\n x.registers.poke(0x01, 0xab);\n x.registers.poke(0x02, 0xa0);\n Chip8CpuInstructions::SubnVxVy(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), 0x1);\n }\n\n #[test]\n fn shl_vx_vy_test_1() {\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::ShlVxVy(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::ShlVxVy(0x1, 0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek(0x1), 0b01010100);\n assert_eq!(x.registers.peek(0xf), 0x1);\n }\n\n #[test]\n fn ld_f_vx_test() {\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::LdFVx(0x1).execute(\u0026mut x);\n\n assert_eq!(x.registers.peek_i(), 0x5);\n\n let mut x = Chip8Computer::new();\n x.registers.poke(0x01, 0x06);\n Chip8CpuInstructions::LdFVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_i(), 25);\n }\n\n #[test]\n fn ld_b_vx_test() {\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::LdBVx(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\n #[test]\n fn ld_i_vx_test() {\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::LdIVx(to_load.len() as u16).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\n #[test]\n fn ld_vx_i_test() {\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::LdVxI(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 }\n\n #[test]\n fn Sknkpvx_test() {\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::SnkpVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x202);\n x.keypad.release_key(0x5);\n Chip8CpuInstructions::SnkpVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x206);\n }\n\n #[test]\n fn skpvx_test() {\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::SkpVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x204);\n\n x.keypad.release_key(0x5);\n Chip8CpuInstructions::SkpVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x206);\n }\n\n #[test]\n fn draw_nibble_vx_vy_n_test() {\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::DrawVxVyNibble(x_register as u16, y_register as u16, 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 = (x_offset\n 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 println!(\"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 println!(\"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]\n fn sub_test() {\n // 2nnn\n // Call a subroutine at 2nnn\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::CallAddr(0x124).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x124);\n assert_eq!(x.stack.depth(), 1);\n Chip8CpuInstructions::CallAddr(0x564).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x564);\n assert_eq!(x.stack.depth(), 2);\n }\n\n #[test]\n fn ret_test() {\n // Return from a subroutine.\n let mut x = Chip8Computer::new();\n x.stack.push(\u00260x132);\n x.stack.push(\u00260xabc);\n Chip8CpuInstructions::RET.execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0xabc);\n assert_eq!(x.stack.depth(), 1);\n Chip8CpuInstructions::RET.execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x132);\n assert_eq!(x.stack.depth(), 0);\n }\n\n\n #[test]\n fn ldvxk_test() {\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::LdVxByte(0x1, 0x1).execute(\u0026mut x);\n Chip8CpuInstructions::LdVxK(0x1).execute(\u0026mut x);\n assert!(matches!(x.state, WaitingForKey));\n 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imgui::Key;\n\n\n#[derive(Clone, Copy)]\npub struct Keypad {\n keys: [bool; 0x10],\n}\n\nimpl Keypad {\n pub fn format_as_string(\u0026self) -\u003e String {\n let mut return_value = String::new();\n // draw a 4x4 grid showing the keys with * filling the cells that are depressed\n let keys = [\n [0x1, 0x2, 0x3, 0xc],[0x4, 0x5, 0x6, 0xd],[0x7, 0x8, 0x9, 0xe],[0xa, 0x0, 0xb, 0xf]\n ];\n\n for row in keys.iter() {\n for (index, key) in row.iter().enumerate() {\n let is_lit = if self.keys[*key] { \"*\".to_string() } else { char::from_digit(*key as u32, 16).unwrap_or(' ').to_string() };\n match index {\n 3 =\u003e {\n // last in col\n return_value += format!(\"|{}|\\n\", is_lit).as_str();\n }\n _=\u003e {\n return_value += format!(\"|{}\", is_lit).as_str();\n }\n }\n }\n }\n\n return_value\n }\n}\n\nimpl Default for Keypad {\n fn default() -\u003e Self {\n Keypad {\n keys: [ false; 16]\n }\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 }\n}\n\n#[cfg(test)]\nmod test {\n use super::*;\n\n #[test]\n fn smoke() { assert!(true) }\n\n #[test]\n fn 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 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log::debug;\n\n/// Registers. numbered 1-16 publicly.\n/// Privately using zero base array so -1 to shift from pub to priv.\n#[derive(Clone, Copy)]\npub struct Chip8Registers {\n registers: [u8; 16],\n i_register: u16,\n pc: u16,\n sp: u16,\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 sp: 0x100,\n }\n }\n}\n\nimpl Chip8Registers {\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\n#[cfg(test)]\nmod test {\n use crate::chip8::registers::Chip8Registers;\n\n #[test]\n fn smoke() { assert!(true) }\n\n #[test]\n fn 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]\n fn 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]\n fn invalid_register() {\n let mut x = Chip8Registers::default();\n x.poke(0x10, 0xff);\n }\n\n #[test]\n fn 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 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std::{thread, time};\nuse beep::beep;\nuse log::trace;\n\n#[derive(Clone, Copy)]\npub struct SoundTimer {\n counter: i32\n}\n\nimpl SoundTimer {\n pub fn current(\u0026self) -\u003e i32 {\n self.counter\n }\n pub fn new() -\u003e Self {\n SoundTimer {\n counter: 0\n }\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!(\"TICKING SOUND FROM {} to {}\", self.counter, self.counter - 1);\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\n#[cfg(test)]\nmod test {\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn 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]\n fn 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":[{"line":11,"address":[1755072],"length":1,"stats":{"Line":1}},{"line":12,"address":[1755077],"length":1,"stats":{"Line":1}},{"line":19,"address":[1755104],"length":1,"stats":{"Line":1}},{"line":20,"address":[1755206,1755328,1755128],"length":1,"stats":{"Line":2}},{"line":21,"address":[1755164],"length":1,"stats":{"Line":1}},{"line":24,"address":[1755472],"length":1,"stats":{"Line":1}},{"line":25,"address":[1755492,1755570,1755685,1755823],"length":1,"stats":{"Line":2}},{"line":26,"address":[1755528,1756052],"length":1,"stats":{"Line":2}},{"line":27,"address":[1756028,1756054],"length":1,"stats":{"Line":1}}],"covered":9,"coverable":9},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","chip8","stack.rs"],"content":"#[derive(Clone)]\npub struct Chip8Stack {\n items: Vec\u003cu16\u003e\n}\n\nimpl Default for Chip8Stack {\n fn default() -\u003e Self {\n Chip8Stack {\n items: vec![],\n }\n }\n}\n\nimpl Chip8Stack {\n pub fn push(\u0026mut self, new_value: \u0026u16) {\n if self.depth() == 16 {\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 {\n items: vec![]\n }\n }\n}\n\n#[cfg(test)]\nmod test {\n use rand::random;\n use super::*;\n\n #[test]\n fn smoke() { assert!(true) }\n\n #[test]\n fn 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]\n fn 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]\n fn stack_underflow_test() {\n let mut x = Chip8Stack::new();\n x.pop();\n }\n\n #[test]\n fn lots_of_subs() {\n let mut x = Chip8Stack::new();\n let stack_contents = [0x123, 0x321, 0xabc, 0xdef,\n 0xbad, 0xbef, 0xfed, 0xcab,\n 0xbed, 0xcad, 0xfeb, 0xcab,\n 0xfff, 0x000, 0x001];\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 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glium::RawUniformValue::Vec2;\nuse image::load;\nuse imgui::sys::ImColor;\nuse imgui::{ImColor32, Ui};\nuse log::{debug, trace};\nuse ratatui::{style::Style, widgets::Widget};\n\nuse crate::constants::{CHIP8_MEMORY_SIZE, CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH};\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\n#[derive(Clone, Copy)]\npub struct Chip8SystemMemory {\n memory: [u8; CHIP8_MEMORY_SIZE as usize],\n}\n\nimpl Default for Chip8SystemMemory {\n fn default() -\u003e Self {\n\n let mut x = Chip8SystemMemory {\n memory: [0x00; CHIP8_MEMORY_SIZE as usize],\n };\n\n x.load_fonts_to_memory();\n x\n }\n}\n\nconst cell_width: i32 = 5i32;\nconst cell_height: i32 = 5i32;\n\nimpl Chip8SystemMemory {\n \n pub fn new() -\u003e Self {\n Chip8SystemMemory {\n memory: [0x00; CHIP8_MEMORY_SIZE as usize],\n }\n }\n\n pub fn peek(self, address: u16) -\u003e u8 {\n trace!(\"PEEK: {} / {}\", address, self.memory[address as usize].clone());\n self.memory[address as usize]\n }\n\n pub fn poke(\u0026mut self, address: u16, value: u8) {\n trace!(\"POKE: {} / {} to {}\", address, self.memory[address as usize], value);\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\n#[cfg(test)]\nmod test {\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn model_smoke() {\n let m = Chip8SystemMemory::default();\n for i in 0..5 {\n assert_eq!(m.peek(i), CHIP8FONT_0[i as usize]);\n }\n\n assert_eq!(m.peek((CHIP8_MEMORY_SIZE - 1) as u16), 0);\n }\n\n #[test]\n fn known_data_loaded_correctly() {\n let to_load = [ 0x01, 0x02, 0x03, 0x04, 0x05 , 0x06 ];\n let mut x = Chip8SystemMemory::default();\n\n for (index, value) in [1..10].iter().enumerate() {\n assert_ne!(x.peek(0), 0x01);\n x.poke(0, 0x01);\n assert_eq!(x.peek(0), 0x01);\n }\n }\n\n #[test]\n fn verify_load_program() {\n // first line of 1-chip-logo.ch8\n let program_to_load = [0x00e0, 0x6101, 0x6008, 0xa250, 0xd01f, 0x6010, 0xa25f, 0xd01f];\n\n let mut x = Chip8SystemMemory::new();\n\n \n 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struct InstructionUtil {}\n\nimpl InstructionUtil {\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 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 = return_value | new_bit\n }\n }\n return_value\n }\n\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 pub fn join_bytes(high: u8, low: u8) -\u003e u16 {\n let result = (high as u16) \u003c\u003c 8 | low as u16;\n result\n }\n\n // nnn or addr - A 12-bit value, the lowest 12 bits of the instruction\n pub fn read_addr_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n instruction_to_read_from \u0026 0x0FFF\n }\n\n // n or nibble - A 4-bit value, the lowest 4 bits of the instruction\n pub fn read_nibble_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n instruction_to_read_from \u0026 0x000F\n }\n\n // x - A 4-bit value, the lower 4 bits of the high byte of the instruction\n pub fn read_x_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n (instruction_to_read_from \u0026 0x0F00).rotate_right(8)\n }\n\n // y - A 4-bit value, the upper 4 bits of the low byte of the instruction\n pub fn read_y_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n (instruction_to_read_from \u0026 0x00F0).rotate_right(4)\n }\n\n // kk or byte - An 8-bit value, the lowest 8 bits of the instruction\n pub fn read_byte_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n (instruction_to_read_from \u0026 0x00FF)\n }\n\n pub fn read_upper_byte_lower_nibble(to_read_from: u16) -\u003e u16 {\n (to_read_from \u0026 0x0f00) \u003e\u003e 8\n }\n}\n\n#[cfg(test)]\nmod test {\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn 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]\n fn 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]\n fn 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]\n fn 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]\n fn byte_to_bool_changes() {\n assert_eq!(InstructionUtil::byte_to_bools(0b00000000), [false, false, false, false, false, false, false, false]);\n assert_eq!(InstructionUtil::byte_to_bools(0b11111111), [true, true, true, true, true, true, true, true]);\n assert_eq!(InstructionUtil::byte_to_bools(0b11001100), [false, false, true, true, false, false, true, true]);\n assert_eq!(InstructionUtil::byte_to_bools(0b11110000), [false, false, false, false, true, true, true, true]);\n assert_eq!(InstructionUtil::bools_to_byte([false, false, false, false, false, false, false, false]), 0b00000000);\n assert_eq!(InstructionUtil::bools_to_byte([true, true, true, true, true, true, true, true]), 0b11111111);\n assert_eq!(InstructionUtil::bools_to_byte([false, false, true, true, false, false, true, true]), 0b11001100);\n assert_eq!(InstructionUtil::bools_to_byte([false, false, false, false, true, true, true, true]), 0b11110000);\n 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log::{debug, trace};\nuse crate::constants::CHIP8_VIDEO_MEMORY;\n\n#[derive(Clone, Copy)]\npub struct Chip8Video {\n memory: [bool; CHIP8_VIDEO_MEMORY],\n pub has_frame_changed: bool\n}\n\nimpl Chip8Video {\n pub fn cls(\u0026mut self) {\n for i in 0..CHIP8_VIDEO_MEMORY {\n self.memory[i] = 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: [bool; CHIP8_VIDEO_MEMORY]) -\u003e Self {\n Self {\n memory: initial_configuration,\n has_frame_changed: false\n }\n }\n\n pub fn peek(self, address: u16) -\u003e bool {\n self.memory[address as usize]\n }\n\n pub fn poke(\u0026mut self, address: u16, new_value: bool) -\u003e Self {\n trace!(\"OFFSET: {address} - POKING {new_value}\");\n let old_value = self.memory[address as usize];\n if old_value != new_value {\n trace!(\"**VIDEO** TOGGLING\");\n self.has_frame_changed = true;\n } else {\n trace!(\"NOT TOGGLING\");\n }\n self.memory[address as usize] = new_value;\n self.to_owned()\n }\n\n pub fn poke_byte(\u0026mut self, first_address: u16, to_write: u8) -\u003e Self {\n for i in (0..8).rev() {\n let shifted = ((1 \u003c\u003c i) \u0026 to_write) \u003e\u003e i;\n //\n let target_address = first_address + (7 - i);\n let is_set = shifted == 1;\n self.poke(target_address, is_set);\n }\n self.to_owned()\n }\n\n pub fn poke_sprite(\u0026mut self, first_address: u16, to_write: Vec\u003cu8\u003e) -\u003e Self {\n let sprite_length = to_write.len();\n\n for (index, byte) in to_write.iter().enumerate() {\n let real_address = index * 64;\n self.poke_byte(real_address as u16, *byte);\n }\n self.to_owned()\n }\n\n pub fn format_as_string(self) -\u003e String {\n let mut output = String::new();\n for row in 0..32 {\n for column in 0..64 {\n let data_offset = row * 64 + column;\n debug!(\"Rendering {data_offset} with value {}\", self.memory[data_offset]);\n if self.memory[data_offset] {\n output += \"*\"\n } else {\n output += \" \"\n }\n }\n output += \"\\n\";\n }\n\n output\n }\n}\n\nimpl Default for Chip8Video {\n fn default() -\u003e Self {\n Self { memory: [false; CHIP8_VIDEO_MEMORY as usize], has_frame_changed: false }\n }\n}\n\n#[cfg(test)]\nmod test {\n use std::fs::File;\n use std::io::Read;\n use crate::chip8::system_memory::{CHIP8FONT_0, CHIP8FONT_1, CHIP8FONT_2, CHIP8FONT_3, CHIP8FONT_4, CHIP8FONT_5, CHIP8FONT_6, CHIP8FONT_7};\n use crate::constants::{CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH};\n use super::*;\n\n #[test]\n fn smoke() { assert!(true) }\n\n #[test]\n fn default_test() {\n let mut x = Chip8Video::default();\n\n for i in 0..CHIP8_VIDEO_MEMORY {\n assert!(!x.peek(i as u16));\n // then flip the value and test again.\n \u0026x.poke(i as u16, true);\n assert!(x.peek(i as u16));\n }\n }\n\n #[test]\n fn string_test_1() {\n let mut x = Chip8Video::default();\n let mut working_string = String::new();\n for i in 0..32 {\n working_string += \u0026*(\" \".repeat(64) + \"\\n\");\n }\n\n assert_eq!(working_string, x.format_as_string());\n\n let mut working_string = String::new();\n // set a checkerboard...\n for cb_row in 0..32 {\n for cb_col in 0..64 {\n let data_offset = cb_row * 64 + cb_col;\n if data_offset % 2 == 0 {\n x.poke(data_offset, true);\n working_string += \"*\";\n } else {\n x.poke(data_offset, false);\n working_string += \" \";\n }\n }\n working_string += \"\\n\";\n }\n\n assert_eq!(working_string, x.format_as_string());\n }\n\n #[test]\n fn set_initial_memory() {\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]\n fn poke_byte() {\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]\n fn cls() {\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 initial_memory[dof] = true;\n }\n ws += \" \";\n }\n ws += \"\\n\";\n }\n let mut set_x = Chip8Video::new(initial_memory);\n set_x.cls();\n assert_eq!(set_x.format_as_string(), ws);\n }\n\n #[test]\n fn poke_byte_test() {\n let to_poke = 0b10101010;\n let mut v = Chip8Video::default();\n v.poke_byte(0x00, to_poke);\n assert!(v.peek(0x00));\n assert!(v.peek(0x02));\n assert!(v.peek(0x04));\n assert!(v.peek(0x06));\n assert!(!v.peek(0x01));\n assert!(!v.peek(0x03));\n assert!(!v.peek(0x05));\n assert!(!v.peek(0x07));\n for i in 0x8..CHIP8_VIDEO_MEMORY {\n assert!(!v.peek(i as u16));\n }\n }\n\n #[test]\n fn poke_multi_line_test() {\n let mut v = Chip8Video::default();\n let to_poke = [\n 0b00000000,\n 0b11111111,\n 0b10101010,\n 0b01010101\n ];\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.peek(0x40));\n assert!(v.peek(0x41));\n assert!(v.peek(0x42));\n assert!(v.peek(0x43));\n assert!(v.peek(0x44));\n assert!(v.peek(0x45));\n assert!(v.peek(0x46));\n assert!(v.peek(0x47));\n\n // row 3 column 1\n assert!(!v.peek(0xC0));\n assert!(v.peek(0xC1));\n assert!(!v.peek(0xC2));\n assert!(v.peek(0xC3));\n assert!(!v.peek(0xC4));\n assert!(v.peek(0xC5));\n assert!(!v.peek(0xC6));\n assert!(v.peek(0xC7));\n }\n }\n\n #[test]\n fn moved_poke_test() {\n let mut v = Chip8Video::default();\n let to_poke = [\n 0b00000000,\n 0b11111111,\n 0b10101010,\n 0b01010101\n ];\n\n let x_offset = 20;\n let y_offset = 5;\n\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.peek(test_offset));\n assert!(!v.peek(test_offset + 1));\n assert!(!v.peek(test_offset + 2));\n assert!(!v.peek(test_offset + 3));\n assert!(!v.peek(test_offset + 4));\n assert!(!v.peek(test_offset + 5));\n assert!(!v.peek(test_offset + 6));\n assert!(!v.peek(test_offset + 7));\n\n let test_offset= test_offset + 0x40;\n assert!(v.peek(test_offset));\n assert!(v.peek(test_offset + 1));\n assert!(v.peek(test_offset + 2));\n assert!(v.peek(test_offset + 3));\n assert!(v.peek(test_offset + 4));\n assert!(v.peek(test_offset + 5));\n assert!(v.peek(test_offset + 6));\n assert!(v.peek(test_offset + 7));\n }\n\n #[test]\n fn poke_sprite_test() {\n let mut v = Chip8Video::default();\n let to_poke = [\n 0b00000000,\n 0b11111111,\n 0b10101010,\n 0b01010101\n ];\n\n v.poke_sprite(0x00, to_poke.into());\n\n assert!(v.peek(0x40));\n assert!(v.peek(0x41));\n assert!(v.peek(0x42));\n assert!(v.peek(0x43));\n assert!(v.peek(0x44));\n assert!(v.peek(0x45));\n assert!(v.peek(0x46));\n assert!(v.peek(0x47));\n\n // row 3 column 1\n assert!(!v.peek(0xC0));\n assert!(v.peek(0xC1));\n assert!(!v.peek(0xC2));\n assert!(v.peek(0xC3));\n assert!(!v.peek(0xC4));\n assert!(v.peek(0xC5));\n assert!(!v.peek(0xC6));\n assert!(v.peek(0xC7));\n }\n\n #[test]\n fn verify_change_registered() {\n let mut v = Chip8Video::default();\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]\n fn write_checkboard() {\n let mut v = Chip8Video::default();\n for current_row in 0..CHIP8_VIDEO_WIDTH {\n for current_col in 0..(CHIP8_VIDEO_HEIGHT / 8){\n let offset = current_row * CHIP8_VIDEO_HEIGHT + current_col;\n println!(\"CHECKBOARD OFFSET = {offset}\");\n v.poke(offset as u16, offset % 2 == 0);\n }\n }\n println!(\"{}\", v.format_as_string());\n println!(\"fsck is a cool tool\");\n }\n\n #[test]\n fn zero_test() {\n let mut x = Chip8Video::default();\n\n x.poke_byte(0x00, CHIP8FONT_0[0]);\n x.poke_byte(0x40, CHIP8FONT_0[1]);\n x.poke_byte(0x80, CHIP8FONT_0[2]);\n x.poke_byte(0xC0, CHIP8FONT_0[3]);\n x.poke_byte(0x100, CHIP8FONT_0[4]);\n\n assert_eq!(std::fs::read_to_string(\"../resources/test/test_video_zero.asc\")\n .unwrap(),\n x.format_as_string());\n }\n\n #[test]\n fn multi_sprite_test() {\n let mut x = Chip8Video::default();\n // draw a row of digits 01234567\n\n let start_offset = 0x00;\n let per_row_skip = 0x40;\n let to_draw = [CHIP8FONT_0, CHIP8FONT_1, CHIP8FONT_2, CHIP8FONT_3, CHIP8FONT_4, CHIP8FONT_5, CHIP8FONT_6, CHIP8FONT_7];\n for (index, sprite) in to_draw.iter().enumerate() {\n let data_base_offset = index * 0x8;\n println!(\"STARTING {index} at 0x{data_base_offset:04x} ({data_base_offset})\");\n x.poke_byte(data_base_offset as u16, sprite[0]);\n x.poke_byte((data_base_offset + 0x40) as u16, sprite[1]);\n x.poke_byte((data_base_offset + 0x80) as u16, sprite[2]);\n x.poke_byte((data_base_offset + 0xC0) as u16, sprite[3]);\n x.poke_byte((data_base_offset + 0x100) as u16, sprite[4]);\n }\n\n\n assert_eq!(std::fs::read_to_string(\"../resources/test/test_multi_sprite.asc\")\n .unwrap(),\n x.format_as_string()); 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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","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","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}\n\npub mod constants;","traces":[],"covered":0,"coverable":0}]};
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var previousData = {"files":[{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","chip8_constants.rs"],"content":"\npub const CHIP8_MEMORY_SIZE: u16 = 0x1000;\npub const CHIP8_MEMORY_SIZE_USIZE: usize = 0x1000;\n\npub const FONT_0: [u8; 5] = [0xF0, 0x90, 0x90, 0x90, 0xF0];\npub const FONT_1: [u8; 5] = [0x20, 0x60, 0x20, 0x20, 0x70];\npub const FONT_2: [u8; 5] = [0xF0, 0x10, 0xF0, 0x80, 0xF0];\npub const FONT_3: [u8; 5] = [0xF0, 0x10, 0xF0, 0x10, 0xF0];\npub const FONT_4: [u8; 5] = [0x90, 0x90, 0xF0, 0x10, 0x10];\npub const FONT_5: [u8; 5] = [0xF0, 0x80, 0xF0, 0x10, 0xF0];\npub const FONT_6: [u8; 5] = [0xF0, 0x80, 0xF0, 0x90, 0xF0];\npub const FONT_7: [u8; 5] = [0xF0, 0x10, 0x20, 0x40, 0x40];\npub const FONT_8: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0xF0];\npub const FONT_9: [u8; 5] = [0xF0, 0x90, 0xF0, 0x10, 0xF0];\npub const FONT_A: [u8; 5] = [0xF0, 0x90, 0xF0, 0x90, 0x90];\npub const FONT_B: [u8; 5] = [0xE0, 0x90, 0xE0, 0x90, 0xE0];\npub const FONT_C: [u8; 5] = [0xF0, 0x80, 0x80, 0x80, 0xF0];\npub const FONT_D: [u8; 5] = [0xE0, 0x90, 0x90, 0x90, 0xE0];\npub const FONT_E: [u8; 5] = [0xF0, 0x80, 0xF0, 0x80, 0xF0];\npub const FONT_F: [u8; 5] = [0xF0, 0x80, 0xf0, 0x80, 0x80];\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","chip8_mnemonics.rs"],"content":"use bitmask::bitmask;\n\nuse crate::{chip8_constants::CHIP8_MEMORY_SIZE, parts::Display::Chip8Display};\n\nenum Chip8StartOffset {\n STANDARD,\n ETI600,\n OTHER,\n}\n\nstruct Chip8Registers {\n V: [u8; 16],\n I: u16,\n DelayTimer: u16,\n SoundTimer: u16,\n StackPointer: u8,\n ProgramCounter: u16,\n}\n\nimpl Default for Chip8Registers {\n fn default() -\u003e Self {\n Chip8Registers {\n DelayTimer: 60,\n V: [\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00,\n ],\n I: 0x00,\n SoundTimer: 60,\n StackPointer: 255,\n ProgramCounter: 0x200,\n }\n }\n}\n\nenum Chip8Instruction {\n SYS(u16),\n CLS,\n RET,\n JMP(u16),\n CALL(u16),\n SNEQ(u8, u16),\n SNNE(u8, u8),\n SNRE(u8, u8),\n STOR(u8, u16),\n ADD(u8, u16),\n MOV(u8, u8),\n OR(u8, u8),\n AND(u8, u8),\n XOR(u8, u8),\n ADC(u8, u8),\n SBC(u8, u8),\n RSR(u8, u8),\n LSR(u8, u8),\n SNE(u8, u8),\n STO(i16),\n JMPI(u16),\n RND(u8, u8),\n SETD(u8),\n SETT(u8),\n BCD(u8),\n}\n\nenum Chip8Keys {\n KEY0,\n KEY1,\n KEY2,\n KEY3,\n KEY4,\n KEY5,\n KEY6,\n KEY7,\n KEY8,\n KEY9,\n KEYA,\n KEYB,\n KEYC,\n KEYD,\n KEYE,\n KEYF,\n}\n\npub fn display_video_memory(system_memory: [u8; CHIP8_MEMORY_SIZE as usize]) {\n // Assumes memory addresses from\n}\n\nconst ZERO: u16 = 0b0000000000000000;\nconst BOTTOM_BYTE: u16 = 0b0000000011111111;\nconst TOP_BYTE: u16 = 0b1111111100000000;\nconst NIBBLE0: u16 = 0b1111000000000000;\nconst NIBBLE1: u16 = 0b0000111100000000;\nconst NIBBLE2: u16 = 0b0000000011110000;\nconst NIBBLE3: u16 = 0b0000000000001111;\nconst NIBBLE0_BALANCE: u16 = 0x0FFF;\nconst PMSK_0000: i16 = 0x0000;\nconst PMSK_00X0: i16 = 0x00F0;\nconst PMSK_0X00: i16 = 0x0F00;\nconst PMSK_0XXX: i16 = 0x0FFF;\n\n// AND against the possible operand to find which one we have\nbitmask! {\n mask Chip8Instructions: u16 where flags Chip8InstructionFlags {\n SYS = 0x00,\n CLR = 0b0000000011100000,\n RTS = 0b0000000011101110,\n JUMP = 0b0001000000000000,\n CALL = 0b0010000000000000,\n SKE = 0b0011000000000000,\n SKNE = 0b0100000000000000,\n SKRE = 0b0101000000000000,\n LOAD = 0b0110000000000000,\n ADD = 0b0111000000000000,\n MOVE = 0b1000000000000000,\n OR = 0b1000000000000001,\n AND = 0b1000000000000010,\n XOR = 0b1000000000000011,\n ADDR = 0b1000000000000100,\n SUB = 0b1000000000000101,\n SHR = 0b1000000000000110,\n SHL = 0b1000000000001110,\n SKRNE = 0b1001000000000000,\n LOADI = 0b1010000000000000,\n JUMPI = 0b1011000000000000,\n RAND = 0b1100000000000000,\n DRAW = 0b1101000000000000,\n SKPR = 0b1110000000001110,\n SKUP = 0b1111000010100001,\n MOVED = 0b1111000000000111, \n KEYD = 0b1111000000001010, \n LOADD = 0b1111000000010101, \n LOADS = 0b1111000000011000, \n ADDI = 0b1111000000011110, \n LDSPR = 0b1111000000101001, \n BCD = 0b1111000000110011, \n STOR = 0b1111000001010101, \n MEMCPY = 0b1111000001100101 \n }\n}\n\nenum Chip8Asm {\n SYS(u16),\n CLR(),\n RTS(),\n JUMP(u16),\n CALL(u16),\n SKE(u8, u8),\n SKNE(u8, u8),\n SKRE(u8, u8),\n LOAD(u8, u8),\n ADD(u8, u8),\n MOVE(u8, u8),\n OR(u8, u8),\n AND(u8, u8),\n XOR(u8, u8),\n ADDR(u8, u8),\n SUB(u8, u8),\n SHR(u8, u8),\n SHL(u8, u8),\n SKRNE(u8, u8),\n LOADI(u16),\n JUMPI(u16),\n RAND(u8, u8),\n DRAW(u8, u8, u8),\n SKPR(u8),\n SKUP(u8),\n MOVED(u8),\n KEYD(u8),\n LOADD(u8),\n LOADS(u8),\n ADDI(u8),\n LDSPR(u8),\n BCD(u8),\n STOR(u8),\n READ(u8),\n}\n\nstruct Chip8Cpu {}\n\nstruct Chip8System {\n registers: Chip8Registers,\n system_memory: [u8; 2048]\n}\n\nimpl Chip8System {\n pub fn tick(mut self) {\n println!(\" Ticking Chip8System\");\n\n let next_instruction = self.system_memory[self.registers.ProgramCounter as usize] as u16;\n println!(\"READ INSTRUCTION {next_instruction}\");\n self.registers.ProgramCounter += 0x2;\n\n \u0026self.delay_timer_tick();\n \u0026self.sound_timer_tick();\n\n // self.screen.tick();\n }\n\n fn delay_timer_tick(\u0026mut self) {\n self.registers.DelayTimer = self.registers.DelayTimer - 1;\n\n }\n\n fn sound_timer_tick(\u0026mut self) {\n self.registers.SoundTimer = self.registers.SoundTimer - 1;\n\n }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","lib.rs"],"content":"pub mod chip8_mnemonics;\npub mod chip8_constants;\n\npub mod parts {\n pub mod CPU;\n pub mod Display;\n pub mod Keyboard;\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","parts","CPU.rs"],"content":"struct Chip8Registers {\n\n}\n\n\nimpl Chip8Registers {\n pub fn tick(self: \u0026Self) {\n println!(\"Ticking Registers\");\n }\n}\n\npub struct Chip8InstructionParameter {\n pub mask: u16\n}\n\npub struct Chip8Instruction {\n pub id: String,\n pub mask: u16,\n pub pattern: u16,\n pub arguments: Vec\u003cChip8InstructionParameter\u003e,\n pub description: Box\u003cstr\u003e\n}\n\npub fn fill_chip8_instructions() -\u003e [Chip8Instruction; 34] {\n [\n Chip8Instruction {\n id: \"SYS\".to_string(),\n mask: 0x00,\n pattern: 0x00,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0FFF\n }\n ],\n description: \"Execute method at address referenced by parameter\".into()\n },\n Chip8Instruction {\n id: \"CLR\".to_string(),\n mask: 0x00E0,\n pattern: 0x00E0,\n arguments: vec![],\n description: \"Clear the Screen\".into()\n },\n Chip8Instruction {\n id: \"RET\".to_string(),\n mask: 0x00EE,\n pattern: 0x00EE,\n arguments: vec![],\n description: \"Return from Subroutine\".into()\n },\n Chip8Instruction {\n id: \"JMP\".to_string(),\n mask: 0x1FFF,\n pattern: 0x1000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0fff\n }\n ],\n description: \"Jump to specified location\".into()\n },\n Chip8Instruction {\n id: \"SEQ\".to_string(),\n mask: 0x3FFF,\n pattern: 0x3000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Skip next instruction if Register does equal parameter\".into()\n },\n Chip8Instruction {\n id: \"SNE\".to_string(),\n mask: 0x4FFF,\n pattern: 0x4000,\n arguments: vec! [\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Skip next instruction if Register doesn't equal parameter\".into()\n },\n Chip8Instruction {\n id: \"SREQ\".to_string(),\n mask: 0x5FF0,\n pattern: 0x5000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"TBD\".into()\n },\n Chip8Instruction {\n id: \"STO\".to_string(),\n mask: 0x6FFF,\n pattern: 0x6000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Store value into register\".into()\n },\n Chip8Instruction {\n id: \"ADD\".to_string(),\n mask: 0x7FFF,\n pattern: 0x7000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Add value in register 0x0f00 with value 0x00ff\".into()\n },\n Chip8Instruction {\n id: \"CPY\".to_string(),\n mask: 0x8FF0,\n pattern: 0x8000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Copy value between Register X and Y\".into()\n },\n Chip8Instruction {\n id: \"OR\".to_string(),\n mask: 0x8FF1,\n pattern: 0x8001,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Logical OR of registers placing result in first register\".into()\n },\n Chip8Instruction {\n id: \"AND\".to_string(),\n mask: 0x8FF2,\n pattern: 0x8002,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Logical AND of registers placing result in first register\".into()\n },\n Chip8Instruction {\n id: \"XOR\".to_string(),\n mask: 0x8FF3,\n pattern: 0x8003,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Logical XOR of registers placing result in first register\".into()\n },\n Chip8Instruction {\n id: \"ADC\".to_string(),\n mask: 0x8FF4,\n pattern: 0x8004,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Add 2 Registers with carry flag\".into()\n },\n Chip8Instruction {\n id: \"SUBC\".to_string(),\n mask: 0x8FF5,\n pattern: 0x8005,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Subtract 2 Registers with carry flag\".into()\n },\n Chip8Instruction {\n id: \"RSR\".to_string(),\n mask: 0x8FF6,\n pattern: 0x8006,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Register Shifted Right\".into()\n },\n Chip8Instruction {\n id: \"SUBC\".to_string(),\n mask: 0x8FF7,\n pattern: 0x8007,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Subtract 2 Regiters with Carry\".into()\n },\n Chip8Instruction {\n id: \"RSL\".to_string(),\n mask: 0x8FFE,\n pattern: 0x800E,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Register Shifted Left\".into()\n },\n Chip8Instruction {\n id: \"SRNE\".to_string(),\n mask: 0x9FF0,\n pattern: 0x9000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n }\n ],\n description: \"Skip next instruction if registers not equal\".into()\n },\n Chip8Instruction {\n id: \"LDI\".to_string(),\n mask: 0xAFFF,\n pattern: 0xA000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0fff\n }\n ],\n description: \"Load Data from Memory Address\".into()\n },\n Chip8Instruction {\n id: \"JMPI\".to_string(),\n mask: 0xBFFF,\n pattern: 0xB000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0fff\n }\n ],\n description: \"Jump to Memory Address\".into()\n },\n Chip8Instruction {\n id: \"RNG\".to_string(),\n mask: 0xCFFF,\n pattern: 0xC000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00ff\n }\n ],\n description: \"Random number Generator\".into()\n },\n Chip8Instruction {\n id: \"SPR\".to_string(),\n mask: 0xDFFF,\n pattern: 0xD000,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n },\n Chip8InstructionParameter {\n mask: 0x00f0\n },\n Chip8InstructionParameter {\n mask: 0x000f\n }\n \n ],\n description: \"TBD\".into()\n },\n Chip8Instruction {\n id: \"JNK\".to_string(),\n mask: 0xEF9E,\n pattern: 0xE09E,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Jump over next instruction if Key Pressed\".into()\n },\n Chip8Instruction {\n id: \"JKP\".to_string(),\n mask: 0xEFA1,\n pattern: 0xE0A1,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Jump over next instruction if Key Not Pressed\".into()\n },\n Chip8Instruction {\n id: \"SDT\".to_string(),\n mask: 0xFF07,\n pattern: 0xF007,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0F00\n }\n ],\n description: \"TBD\".into()\n },\n Chip8Instruction {\n id: \"WKP\".to_string(),\n mask: 0xFF0A,\n pattern: 0xF00A,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Wait for a Key to be pressed\".into()\n },\n Chip8Instruction {\n id: \"LDT\".to_string(),\n mask: 0xFF15,\n pattern: 0xF015,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Load Data Timer\".into()\n },\n Chip8Instruction {\n id: \"LST\".to_string(),\n mask: 0xFF18,\n pattern: 0xF018,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Load Sound Timer\".into()\n },\n Chip8Instruction {\n id: \"ADDI\".to_string(),\n mask: 0xFF1E,\n pattern: 0xF01E,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Add register with value at I\".into()\n },\n Chip8Instruction {\n id: \"SETI\".to_string(),\n mask: 0xFF29,\n pattern: 0xF029,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"TBD\".into()\n },\n Chip8Instruction{\n id: \"BCD\".to_string(),\n mask: 0xFF33,\n pattern: 0xF033,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Binary Coded Decimal of register\".into()\n },\n Chip8Instruction{\n id: \"MSTO\".to_string(),\n mask: 0xFF55,\n pattern: 0xF055,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Store value in register X at offset I\".into()\n },\n Chip8Instruction {\n id: \"MLOAD\".to_string(),\n mask: 0xFF65,\n pattern: 0xF065,\n arguments: vec![\n Chip8InstructionParameter {\n mask: 0x0f00\n }\n ],\n description: \"Load value into register X at offset I\".into()\n }\n ]\n}\n\n\nstruct Chip8System {\n\n}\n\nimpl Chip8System {\n \n}\n\ntrait CpuInstruction {\n fn execute(input: Chip8System) -\u003e Chip8System;\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","parts","Display.rs"],"content":"\npub struct Chip8Display {\n // 64w x 32h\n pub memory: [bool; 512],\n}\n\nimpl Chip8Display {\n pub fn tick(self: \u0026Self) {\n println!(\"Ticking the display\");\n }\n\n pub fn render_chip8_display(to_render: Chip8Display) {\n // 32 rows...\n for index_row in 0..=32 {\n // ...64 columns\n for index_col in 0..=64 {\n let offset = (index_row * 64) + index_col;\n if to_render.memory[offset] {\n print!(\"*\")\n } else {\n print!(\" \")\n };\n }\n println!();\n }\n }\n}\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_core","src","parts","Keyboard.rs"],"content":"\n#[derive(Clone)]\nstruct Chip8Keyboard {\n keys_state: [bool; 16]\n}\n\nimpl Default for Chip8Keyboard {\n fn default() -\u003e Self {\n Self { keys_state: [ \n false, false, false, false,\n false, false, false, false,\n false, false, false, false,\n false, false, false, false\n ] }\n }\n}\n\nimpl Chip8Keyboard {\n\n fn display_keyboard_key(self: Self, key_id: u8) {\n let filler = if self.is_pressed(key_id) { \"*\" } else { \" \" };\n print!(\"{}{}{}\", filler, key_id, filler)\n }\n\n fn display_keyboard_horizontal_line(self: Self, row_values: [u8; 4]) {\n print!(\"|\");\n for current in row_values {\n self.clone().display_keyboard_key(current);\n print!(\"|\");\n }\n println!();\n } \n\n fn display_keyboard_seperator_line(self: Self) {\n println!(\"+---+---+---+---+\");\n\n }\n\n pub fn display_keyboard(self: Self) {\n self.clone().display_keyboard_seperator_line();\n self.clone().display_keyboard_horizontal_line(\n [1,2,3,0xC]\n );\n println!(\"+---+---+---+---+\");\n println!(\"| 4 | 5 | 6 | D |\");\n println!(\"+---+---+---+---+\");\n println!(\"| 7 | 8 | 9 | E |\");\n println!(\"+---+---+---+---+\");\n println!(\"| A | 0 | B | F |\");\n println!(\"+---+---+---+---+\");\n }\n \n pub fn press_key(self: \u0026mut Self, key_id: u8) {\n self.keys_state[key_id as usize] = true;\n }\n\n pub fn release_key(self: \u0026mut Self, key_id: u8) {\n self.keys_state[key_id as usize] = false;\n }\n\n pub fn is_pressed(self: Self, key_id: u8) -\u003e bool {\n self.keys_state[key_id as usize]\n }\n}\n\n\n#[cfg(test)]\nmod tests {\n use super::*;\n \n #[test]\n fn smoke_test() {\n assert_eq!(true, true);\n }\n \n #[test]\n fn basic_keyboard_display_works() {\n let basic_keyboard = Chip8Keyboard::default();\n\n \n }\n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","app.rs"],"content":"/*\n\n#[derive(Default)]\npub struct App;\n\nimpl UiBuilder for App {\n fn do_ui(\u0026mut self, ui: \u0026Ui\u003cSelf\u003e) {\n #[cfg(feature = \"docking\")]\n {\n ui.dock_space_over_viewport(0, imgui::DockNodeFlags::None);\n }\n ui.show_demo_window(None);\n\n }\n}*/","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","gui","display.rs"],"content":"use winit::{application::ApplicationHandler, event_loop::ActiveEventLoop, window::{Window, WindowAttributes}};\n\n/*\npub struct Chip8Display {\n pub window: MainWindowWithRenderer,\n}\n\nimpl Chip8Display {\n pub fn new(event_loop: \u0026ActiveEventLoop) -\u003e Chip8Display {\n Chip8Display { window: MainWindowWithRenderer::new(\n MainWindow::new::\u003c()\u003e(\u0026event_loop, Window::default_attributes().with_title(\"Chip8 Display\")).unwrap())\n }\n }\n\n pub fn render\u003cM\u003e(ui: \u0026Ui\u003cM\u003e) {\n \n }\n}\n\nimpl UiBuilder for Chip8AppHandler {\n fn do_ui(\u0026mut self, ui: \u0026Ui\u003cSelf\u003e) {\n\n ui.text(\"This is where the Chip8 UI Goes\");\n ui.text(\"Controls for Start/Stop/Load/Run Maybe?\");\n\n\n }\n}\n\n#[derive(Default)]\npub struct Chip8AppHandler {\n pub windows: Vec\u003cMainWindowWithRenderer\u003e,\n // pub display: Chip8Display\n}\n\nimpl ApplicationHandler for Chip8AppHandler {\n fn suspended(\u0026mut self, _event_loop: \u0026ActiveEventLoop) {\n self.windows.clear();\n }\n\n fn resumed(\u0026mut self, event_loop: \u0026ActiveEventLoop) {\n self.windows.push(Chip8Display::new(event_loop).window);\n }\n\n fn window_event(\n \u0026mut self,\n event_loop: \u0026ActiveEventLoop,\n window_id: winit::window::WindowId,\n event: winit::event::WindowEvent,\n ) {\n for window in \u0026mut self.windows {\n if window.main_window().window().id() != window_id {\n continue;\n }\n }\n }\n fn new_events(\u0026mut self, _event_loop: \u0026ActiveEventLoop, _cause: winit::event::StartCause) {\n for window in \u0026mut self.windows {\n window.new_events();\n }\n }\n fn about_to_wait(\u0026mut self, _event_loop: \u0026ActiveEventLoop) {\n for window in \u0026mut self.windows {\n window.about_to_wait();\n }\n }\n\n}\n*/","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","lib.rs"],"content":"pub mod app;\n\npub mod gui {\n pub mod display;\n}\n\npub mod support;","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","main.rs"],"content":"use trevors_chip8_core::parts::CPU::fill_chip8_instructions;\nuse trevors_chip8_toy::support;\nuse winit::{event::WindowEvent, event_loop::EventLoop};\n\nuse imgui::*;\n/*\npub fn display_instruction_table(current_index: u32, ui: \u0026Ui\u003cApp\u003e) -\u003e u32 {\n let to_display = fill_chip8_instructions();\n let mut return_index = current_index;\n let current_instruction = to_display.get(return_index as usize).unwrap();\n ui.text(\"Instructions\");\n ui.set_next_item_width(100f32);\n ui.with_group(|| {\n ui.text(format!(\"{}\", current_instruction.description).as_str());\n if current_instruction.arguments.is_empty() {\n ui.text(\"No Parameters\");\n } else {\n for current_parameter in current_instruction.arguments {\n ui.text(format!(\"{}\", current_parameter.mask).as_str());\n }\n }\n ui.text(format!(\"{:#}\", current_instruction.arguments).as_str());\n ui.text(\"This is where cool stuff happens part 2\");\n });\n ui.same_line();\n ui.with_group(|| {\n for (index, current) in to_display.iter().enumerate() {\n if ui\n .selectable_config(current.id.clone())\n .selected(index == return_index as usize)\n .build()\n {\n return_index = index as u32;\n }\n }\n });\n return_index\n}\n*/\n\nfn chip8_instructions(initial_index: u32, ui: \u0026mut Ui) -\u003e u32 {\n let to_display = fill_chip8_instructions();\n let mut return_index = initial_index;\n let instruction_to_display = to_display.get(return_index as usize).unwrap();\n let instruction_window = ui\n .window(\"Instructions\")\n .size([400.0, 400.0], Condition::FirstUseEver)\n .build(|| {\n ui.text(\"This should be my current instruction example\");\n ui.same_line();\n ui.set_next_item_width(-1.0f32);\n for (index, instruction) in to_display.iter().enumerate() {\n if ui\n .selectable_config(instruction.id.to_string())\n .selected(index as u32 == return_index)\n .build()\n {\n return_index = index as u32;\n println!(\"RETURN INDEX {return_index}\");\n }\n }\n });\n return_index\n}\n\nfn main() {\n let mut value = 0;\n let choices = [\"test test this is 1\", \"test test this is 2\"];\n\n let mut selected_instruction = 0;\n\n support::simple_init(file!(), move |_, ui| {\n selected_instruction = chip8_instructions(selected_instruction, ui);\n\n ui.window(\"Hello world\")\n .size([300.0, 110.0], Condition::FirstUseEver)\n .build(|| {\n ui.text_wrapped(\"Hello world!\");\n if ui.button(choices[value]) {\n value += 1;\n value %= 2;\n }\n\n ui.button(\"This...is...imgui-rs!\");\n ui.separator();\n let mouse_pos = ui.io().mouse_pos;\n ui.text(format!(\n \"Mouse Position: ({:.1},{:.1})\",\n mouse_pos[0], mouse_pos[1]\n ));\n });\n });\n}\n/*\nfn main() {\n let event_loop = EventLoop::new().unwrap();\n\n let mut main = AppHandler::\u003cApp\u003e::default();\n main.attributes().title = String::from(\"Example-420\");\n\n event_loop.run_app(\u0026mut main).unwrap();\n}\n\n#[derive(Default)]\npub struct App {\n pub selected_instruction_index: u32,\n}\n\nimpl App {}\n\nimpl Application for App {\n type UserEvent = ();\n type Data = ();\n fn new(_: Args\u003c()\u003e) -\u003e App {\n App {\n selected_instruction_index: 0,\n }\n }\n fn window_event(\u0026mut self, args: Args\u003c()\u003e, _event: WindowEvent, res: EventResult) {\n if res.window_closed {\n args.event_loop.exit();\n }\n }\n}\n\nimpl imgui::UiBuilder for App {\n fn do_ui(\u0026mut self, ui: \u0026imgui::Ui\u003cSelf\u003e) {\n #[cfg(feature = \"docking\")]\n {\n ui.dock_space_over_viewport(0, imgui::DockNodeFlags::None);\n }\n\n let x = ui.collapsing_header_config(\"collapsing header\");\n\n ui.with_group(|| {\n self.selected_instruction_index =\n display_instruction_table(self.selected_instruction_index, ui);\n });\n\n ui.show_demo_window(None);\n }\n}\n*/\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","support","clipboard.rs"],"content":"use copypasta::{ClipboardContext, ClipboardProvider};\nuse imgui::ClipboardBackend;\n\npub struct ClipboardSupport(pub ClipboardContext);\n\npub fn 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","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","chip8_toy","src","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::dpi::LogicalSize;\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\nmod clipboard;\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_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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std::io::{stdout, Result};\n/*\nuse emmaemu::{chip8::{computer::Chip8Computer, video::Chip8Video}, constants::{CHIP8_MEMORY_SIZE, CHIP8_REGISTER_COUNT, CHIP8_ROM_SIZE, CHIP8_VIDEO_MEMORY}};\nuse ratatui::{\n backend::CrosstermBackend,\n crossterm::{\n event::{self, KeyCode, KeyEventKind},\n terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},\n ExecutableCommand,\n },\n layout::{Alignment, Rect},\n style::{Style, Stylize},\n widgets::{List, Paragraph, Widget},\n Frame, Terminal,\n};\n\n\nfn system_memory_to_text_render(data_to_dump: [u8; 2048]) -\u003e String {\n let mut to_return = String::new();\n\n for i in 0..256 {\n to_return += \u0026format!(\"{:x}\\t\", data_to_dump[i as usize]).to_string();\n\n if ((i + 1) % CHIP8_REGISTER_COUNT) == 0 {\n to_return += \"\\n\";\n }\n }\n\n to_return\n}\n\nfn dump_memory_to_console(data_to_dump: [u8; 2048]) {\n println!(\"STARTING TO DUMP MEMORY TO CONSOLE\");\n println!(\"{}\", system_memory_to_text_render(data_to_dump));\n println!(\"DONE DUMPING!\");\n panic!(\"DONE DUMPING\");\n}\n\nstruct ControlKeyboard {\n\n}\n\nimpl Widget for ControlKeyboard {\n fn render(self, area: Rect, buf: \u0026mut ratatui::prelude::Buffer)\n where\n Self: Sized {\n let style = Style::new();\n buf.set_string(0, 0, \"F1 to cycle foreground - F2 to cycle background\", style)\n }\n}\n\n\n#[derive(Clone)]\nstruct AppState {\n pub menu_items: Vec\u003cString\u003e,\n pub selected_menu_item: i32,\n pub system: Chip8Computer,\n}\n\nimpl Default for AppState {\n fn default() -\u003e Self {\n println!(\"Creating new AppState\");\n Self {\n menu_items: vec![\n \"Step CPU \u003cF5\u003e\".into(),\n \"Reset CPU \u003cF12\u003e\".into(),\n \"Item 3\".into(),\n ],\n selected_menu_item: 0,\n system: Chip8Computer {\n ..Default::default()\n },\n }\n }\n}\n\nfn main() -\u003e Result\u003c()\u003e {\n stdout().execute(EnterAlternateScreen)?;\n enable_raw_mode()?;\n let mut terminal = Terminal::new(CrosstermBackend::new(stdout()))?;\n terminal.clear()?;\n\n let app = AppState::default();\n\n loop {\n // Draw Ui...\n terminal.draw(|frame| {\n frame.render_widget(app.system.memory, frame.area());\n // frame.render_widget(app.control_keyboard, area);\n //render_cpu_state(app.system.clone(), frame);\n // render_video_state(app.system.video_memory, frame);\n // render_menu_list(app.clone(), frame);\n })?;\n // ...handle Events.\n if event::poll(std::time::Duration::from_millis(16))? {\n if let event::Event::Key(key) = event::read()? {\n match key.kind {\n KeyEventKind::Press =\u003e match key.code {\n KeyCode::F(5) =\u003e {\n println!(\"Execute Next Instruction\");\n }\n KeyCode::F(12) =\u003e {\n println!(\"Resetting CPU\");\n }\n KeyCode::Char('q') =\u003e { break; }\n _ =\u003e (),\n },\n _ =\u003e (),\n }\n }\n }\n }\n\n // stdout().execute(LeaveAlternateScreen)?;\n // disable_raw_mode()?;\n Ok(())\n}\n\n#[cfg(test)]\nmod test {\n use emmaemu::constants::{CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH};\n\n use crate::*;\n #[test]\n fn blank_screen_renders_to_text() {\n let test_video = Chip8Video::default();\n\n\n let blank_data: [bool; CHIP8_VIDEO_MEMORY] = [false; CHIP8_VIDEO_MEMORY];\n let blank_screen = (\" \".repeat(CHIP8_VIDEO_WIDTH.try_into().unwrap()) + \"\\n\")\n .repeat(CHIP8_VIDEO_HEIGHT.try_into().unwrap());\n \n assert_eq!(Chip8Video::new(blank_data).format_as_string(), blank_screen);\n }\n\n #[test]\n fn filled_screen_renders_to_text() {\n let filled_data: [bool; CHIP8_VIDEO_MEMORY] = [true; CHIP8_VIDEO_MEMORY];\n let filled_screen = (\"*\".repeat(CHIP8_VIDEO_WIDTH.try_into().unwrap()) + \"\\n\")\n .repeat(CHIP8_VIDEO_HEIGHT.try_into().unwrap());\n assert_eq!(Chip8Video::new(filled_data).format_as_string(), filled_screen);\n }\n\n #[test]\n fn grid_pattern_renders_to_text() {\n let mut grid_data: [bool; CHIP8_VIDEO_MEMORY] = [false; CHIP8_VIDEO_MEMORY];\n let mut expected_data = String::new();\n for i in 0..CHIP8_VIDEO_MEMORY {\n grid_data[i] = (i % 2 == 0);\n if i % 2 == 0 {\n grid_data[i] = true;\n expected_data += \"*\";\n } else {\n grid_data[i] = false;\n expected_data += \" \";\n }\n if (i as i32 % CHIP8_VIDEO_WIDTH as i32 == CHIP8_VIDEO_WIDTH - 1) {\n expected_data += \"\\n\";\n }\n }\n\n assert_eq!(Chip8Video::new(grid_data).format_as_string(), expected_data);\n }\n}\n*/\nfn main() {\n println!(\"Taxation is theft\");\n}","traces":[{"line":166,"address":[119248],"length":1,"stats":{"Line":0}},{"line":167,"address":[119252],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":2},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","bin","emmagui.rs"],"content":"use std::default::Default;\nuse std::fs::DirEntry;\nuse std::time::Instant;\nuse emmaemu::{\n chip8::computer::Chip8Computer,\n constants::{CHIP8_MEMORY_SIZE, CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH},\n};\nuse imgui::*;\nuse ratatui::symbols::half_block;\nuse sys::{ImColor, ImVec2, ImVector_ImU32};\nuse rand::random;\nuse emmaemu::chip8::system_memory::Chip8SystemMemory;\nuse support::emmagui_support::EmmaGui;\nmod support;\n\n\nstruct UiState {\n pub show_registers: bool,\n pub show_memory: bool,\n pub show_video: 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: f32\n}\n\nimpl Clone for UiState {\n fn clone(\u0026self) -\u003e Self {\n UiState {\n show_registers: self.show_registers,\n show_memory: self.show_memory,\n show_video: self.show_video,\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 }\n }\n}\n\nimpl Default for UiState {\n fn default() -\u003e Self {\n UiState {\n show_registers: false,\n show_memory: false,\n show_video: 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: 32.0\n }\n }\n}\n\nfn main() {\n pretty_env_logger::init();\n let mut system = Chip8Computer::default();\n let mut ui_state = UiState::default();\n let mut last_tick_time = Instant::now();\n\n support::simple_init(file!(), move |_, ui| {\n let current_time = Instant::now();\n let time_since_last_tick = current_time.duration_since(last_tick_time).as_millis();\n if ui_state.is_running \u0026\u0026 time_since_last_tick \u003e ui_state.frame_time as u128 {\n system.step_system();\n last_tick_time = current_time;\n }\n\n EmmaGui::system_controls(\u0026mut system, \u0026mut ui_state, ui);\n\n if ui_state.show_registers {\n EmmaGui::registers_view(\u0026system, ui);\n }\n\n if ui_state.show_video {\n EmmaGui::video_display(\u0026system, \u0026ui_state, ui);\n }\n\n if ui_state.show_memory {\n let active_instruction = system.registers.peek_pc();\n EmmaGui::hex_memory_display(system.memory.clone(), (0x100, 0x10), active_instruction as i16, ui);\n }\n });\n}\n","traces":[{"line":29,"address":[4555552],"length":1,"stats":{"Line":0}},{"line":31,"address":[4555576],"length":1,"stats":{"Line":0}},{"line":32,"address":[4555583],"length":1,"stats":{"Line":0}},{"line":33,"address":[4555590],"length":1,"stats":{"Line":0}},{"line":34,"address":[4555597],"length":1,"stats":{"Line":0}},{"line":35,"address":[4555637],"length":1,"stats":{"Line":0}},{"line":36,"address":[4555641],"length":1,"stats":{"Line":0}},{"line":37,"address":[4555645],"length":1,"stats":{"Line":0}},{"line":38,"address":[4555649],"length":1,"stats":{"Line":0}},{"line":44,"address":[4555728,4555911],"length":1,"stats":{"Line":0}},{"line":49,"address":[4555747],"length":1,"stats":{"Line":0}},{"line":50,"address":[4555759],"length":1,"stats":{"Line":0}},{"line":51,"address":[4555814],"length":1,"stats":{"Line":0}},{"line":58,"address":[4556356,4555936],"length":1,"stats":{"Line":0}},{"line":59,"address":[4555988],"length":1,"stats":{"Line":0}},{"line":60,"address":[4556013],"length":1,"stats":{"Line":0}},{"line":61,"address":[4556043],"length":1,"stats":{"Line":0}},{"line":62,"address":[4556166,4556091],"length":1,"stats":{"Line":0}},{"line":64,"address":[4556181],"length":1,"stats":{"Line":0}},{"line":65,"address":[4817912],"length":1,"stats":{"Line":0}},{"line":66,"address":[4817935],"length":1,"stats":{"Line":0}},{"line":67,"address":[4818018,4818218,4818071],"length":1,"stats":{"Line":0}},{"line":68,"address":[4818181],"length":1,"stats":{"Line":0}},{"line":69,"address":[4818196],"length":1,"stats":{"Line":0}},{"line":72,"address":[4818034],"length":1,"stats":{"Line":0}},{"line":74,"address":[4818051],"length":1,"stats":{"Line":0}},{"line":75,"address":[4818246],"length":1,"stats":{"Line":0}},{"line":78,"address":[4818228],"length":1,"stats":{"Line":0}},{"line":79,"address":[4818280],"length":1,"stats":{"Line":0}},{"line":82,"address":[4818262],"length":1,"stats":{"Line":0}},{"line":83,"address":[4818307],"length":1,"stats":{"Line":0}},{"line":84,"address":[4818342],"length":1,"stats":{"Line":0}}],"covered":0,"coverable":32},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","bin","font","text_rendering.rs"],"content":"use ratatui::{style::Stylize, widgets::{List, Paragraph}, Frame};\n\nuse crate::{AppState, Chip8Computer, CHIP8_REGISTER_COUNT, CHIP8_VIDEO_MEMORY};\n\n\npub fn render_cpu_state(cpu_state: Chip8Computer, frame: \u0026mut Frame) {\n let mut area = frame.area();\n\n let mut current_state: Vec\u003cString\u003e = vec![];\n\n current_state.push(format!(\"Delay Timer {:X}\", cpu_state.delay_timer));\n current_state.push(format!(\"Sound Timer {:X}\", cpu_state.sound_timer));\n current_state.push(format!(\"PC {:X}\", cpu_state.pc));\n for i in 0 .. CHIP8_REGISTER_COUNT {\n current_state.push(format!(\"V{}: {}\", i, cpu_state.registers[i as usize]));\n }\n\n frame.render_widget(\n List::new(current_state).blue().on_white(), area)\n}\n\npub fn render_menu_list(state: AppState, frame: \u0026mut Frame) {\n let mut area = frame.area();\n\n frame.render_widget(List::new(state.menu_items).blue().on_white(), area);\n}\n\npub fn render_hello_world(frame: \u0026mut Frame) {\n let area = frame.area();\n frame.render_widget(\n Paragraph::new(\"Hello Ratatui! (press 'q' to quit)\")\n .white()\n .on_blue(),\n area,\n );\n}\n\npub fn render_video_state(video_memory: [bool; CHIP8_VIDEO_MEMORY], frame: \u0026mut Frame) {\n \n}","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","bin","support","clipboard.rs"],"content":"","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","bin","support","emmagui_support.rs"],"content":"use std::fs::File;\nuse std::io::Read;\nuse std::path::{Path, PathBuf};\nuse std::thread::sleep;\nuse std::time::Duration;\nuse imgui::{Condition, ImColor32, Ui};\nuse log::debug;\nuse emmaemu::chip8::computer::Chip8Computer;\nuse emmaemu::chip8::system_memory::Chip8SystemMemory;\nuse emmaemu::constants::{CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH};\nuse crate::UiState;\n\n\npub struct EmmaGui {}\n\nconst CELL_WIDTH: i32 = 5i32;\nconst CELL_HEIGHT: i32 = 5i32;\n\nstruct 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 for (index, entry) in std::fs::read_dir(root.as_path()).unwrap().enumerate() {\n let filename = entry.unwrap().file_name();\n let filename = filename.to_str().unwrap();\n let mut working_select = ui.selectable_config(format!(\"{}\", filename));\n if filename == selected_filename {\n working_select = working_select.selected(true);\n }\n if working_select.build() {\n debug!(\"SELECTED {index} / {filename}\");\n working_filename = filename.to_string();\n };\n }\n working_filename\n }\n}\n\n\nimpl EmmaGui {\n pub fn video_display(system_to_control: \u0026Chip8Computer, gui_state: \u0026UiState, ui: \u0026Ui) {\n // draw area size\n let draw_area_size = ui.io().display_size;\n let cell_width = ((draw_area_size[0] as i32 / 64) * 6) / 10;\n let cell_height = ((draw_area_size[1] as i32 / 32) * 6) / 10;\n\n ui.window(format!(\"Display {cell_width}x{cell_height}\"))\n .size([300.0, 300.0], Condition::FirstUseEver)\n .build(|| {\n let origin = ui.cursor_screen_pos();\n let fg = ui.get_window_draw_list();\n ui.text(\"This is the video display.\");\n for current_row in 0..=31 {\n for current_column in 0..=63 {\n let x_offset = origin[0] as i32 + (current_column * cell_width);\n let y_offset = origin[1] as i32 + (current_row * cell_height);\n let current_origin = [x_offset as f32, y_offset as f32];\n let current_limit = [(x_offset + cell_width) as f32, (y_offset + cell_height) as f32];\n let memory_offset = (current_row * 64 + 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(current_origin, current_limit, color, color, color, color);\n }\n }\n });\n }\n pub fn system_controls(system_to_control: \u0026mut Chip8Computer, gui_state: \u0026mut UiState, ui: \u0026Ui) {\n ui.window(\"!!!! CONTROLS !!!!\")\n .size([345.0, 200.0], Condition::FirstUseEver)\n .build(|| {\n /* ROM Lister */\n let new_filename = GuiFileList::display_path(PathBuf::from(\"resources/roms\"), \u0026gui_state.filename_to_load, ui);\n if !new_filename.is_empty() {\n if new_filename != gui_state.filename_to_load {\n println!(\"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::new();\n\n println!(\"PREPARING TO LOAD {}\", gui_state.filename_to_load);\n // let mut input_file = File::open(Path::new(\"./1-chip8-logo.ch8\")).expect(\"put 1-chip8-logo.ch8 in this directory\");\n let mut input_file = File::open(Path::new(\u0026(\"resources/roms/\".to_string() + \u0026gui_state.filename_to_load))).expect(\"put 1-chip8-logo.ch8 in this directory\");\n input_file.read_to_end(\u0026mut buffer).expect(\"unable to read file\");\n system_to_control.load_bytes_to_memory(0x200, buffer.into());\n }\n }\n ui.separator();\n if ui.button(\"Step\") {\n system_to_control.step_system();\n };\n if ui.button(\"Run\") {\n gui_state.is_running = true;\n println!(\"STARTING THE SYSTEM\");\n }\n if ui.button(\"Stop\") {\n gui_state.is_running = false;\n println!(\"STOPPING THE SYSTEM\");\n }\n ui.same_line();\n if ui.button(\"Reset\") {\n *system_to_control = Chip8Computer::new();\n }\n if ui.button(\"Dump Video Memory\") {\n println!(\"{}\", system_to_control.dump_video_to_string());\n }\n ui.same_line();\n if ui.button(\"Dump Keypad State\") {\n println!(\"{}\", system_to_control.dump_keypad_to_string());\n }\n ui.same_line();\n if ui.button(\"Dump Registers\") {\n println!(\"{}\", system_to_control.dump_registers_to_string());\n }\n ui.separator();\n\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 });\n }\n\n pub fn registers_view(system: \u0026Chip8Computer, ui: \u0026Ui) {\n ui.window(\"Registers\")\n .size([400.0, 500.0], 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(bytes: Chip8SystemMemory, position: (i32, i32), active: i16, ui: \u0026Ui) {\n let rows = position.0;\n let cols = position.1;\n ui.window(\"System Memory\")\n .size([400.0, 300.0], Condition::FirstUseEver)\n .position([500.0, 300.0], Condition::Always)\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(text_location, [bounding_box.x, bounding_box.y]);\n let is_active = data_offset == active as i32;\n\n ui.text_colored(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 }, 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 println!(\"Offset: [{}] [0x{:02x}] Value: [{}]\", data_offset, data_offset, formatted_text.clone());\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!(\"Offset 0x{:03x}\", current_x_hover * cols + current_y_hover));\n });\n }\n\n pub fn system_memory_render(memory: Chip8SystemMemory, ui: \u0026Ui) {\n ui.window(\"System Memory\")\n .size([300.0, 100.0], Condition::FirstUseEver)\n .build(|| {\n ui.text(\"Rendering System Memory Here\");\n let draw_list = ui.get_foreground_draw_list();\n let mut idx = 0;\n for row in 0..CHIP8_VIDEO_HEIGHT {\n for column in 0..CHIP8_VIDEO_WIDTH {\n let x_offset = column * CELL_WIDTH;\n let y_offset = row * CELL_WIDTH;\n let start_point = [x_offset as f32, y_offset as f32];\n let end_point = [(x_offset + CELL_WIDTH) as f32,\n (y_offset + CELL_HEIGHT) as f32\n ];\n let memory_offset = (row * CHIP8_VIDEO_WIDTH) + column;\n let target_color = if memory.peek(memory_offset as u16) == 0 {\n ImColor32::BLACK\n } else {\n ImColor32::WHITE\n };\n draw_list.add_rect([x_offset as f32, y_offset as f32],\n [(x_offset + CELL_WIDTH) as f32, (y_offset + CELL_HEIGHT) as f32],\n target_color).build();\n idx += 1;\n }\n }\n });\n 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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::dpi::LogicalSize;\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 emmagui_support;\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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log::{debug, error};\nuse crate::chip8::delay_timer::DelayTimer;\nuse crate::chip8::instructions::Chip8CpuInstructions::XXXXERRORINSTRUCTION;\nuse crate::chip8::keypad::Keypad;\nuse crate::chip8::registers::Chip8Registers;\nuse crate::chip8::sound_timer::SoundTimer;\nuse crate::chip8::stack::Chip8Stack;\nuse crate::chip8::util::InstructionUtil;\nuse crate::constants::{CHIP8_MEMORY_SIZE, CHIP8_REGISTER_COUNT};\n\nuse super::{\n cpu_states::Chip8CpuStates, instructions::Chip8CpuInstructions, system_memory::Chip8SystemMemory, video::Chip8Video,\n};\n\nconst STACK_POINTER_DEFAULT: i16 = 0x100;\n\n#[derive(Clone)]\npub struct Chip8Computer {\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}\nimpl Default for Chip8Computer {\n fn default() -\u003e Self {\n Self {\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 }\n }\n}\n\nimpl Chip8Computer {\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.video_memory.format_as_string()\n }\n\n pub fn new_with_program(new_program: Box\u003cVec\u003cu16\u003e\u003e) -\u003e Self {\n let mut working = Chip8Computer::new();\n for i in 0..new_program.len() {\n let high_byte = (new_program[i as usize] \u003e\u003e 8) as u8;\n let low_byte = (new_program[i] \u0026 0xff) as u8;\n let base_offset = i * 2;\n working.memory.poke(base_offset as u16, high_byte);\n working.memory.poke((base_offset + 1) as u16, low_byte);\n }\n working\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: Box\u003cVec\u003cu8\u003e\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 }\n\n pub fn step_system(\u0026mut self) -\u003e \u0026mut Chip8Computer {\n debug!(\"Stepping System 1 Step\");\n // read the next instruction\n\n let mut working_instruction: u16 = 0b0000000000000000;\n let start_pc = self.registers.peek_pc();\n let high_byte = (self.memory.clone().peek(start_pc) as u16).rotate_left(8);\n let low_byte = self.memory.clone().peek(start_pc + 1) as u16;\n let result = high_byte | low_byte;\n let decoded_instruction =\n Chip8CpuInstructions::decode(result);\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 self.sound_timer.tick();\n self.delay_timer.tick();\n }\n Chip8CpuStates::WaitingForKey =\u003e {\n println!(\"waiting for a key press...\");\n }\n _ =\u003e {}\n }\n self\n }\n}\n\n#[cfg(test)]\nmod test {\n use rand::random;\n use crate::constants::CHIP8_VIDEO_MEMORY;\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n 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Copy, Default)]\npub enum Chip8CpuStates {\n #[default]\n WaitingForInstruction,\n WaitingForKey,\n ExecutingInstruction,\n Error,\n}\n\n","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","chip8","delay_timer.rs"],"content":"#[derive(Clone, Copy)]\npub struct DelayTimer {\n counter: i32\n}\n\nimpl DelayTimer {\n pub fn current(\u0026self) -\u003e i32 {\n self.counter\n }\n\n pub fn new() -\u003e Self {\n DelayTimer {\n counter: 0xff\n }\n }\n pub fn set_timer(\u0026mut self, new_value: i32) {\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\n#[cfg(test)]\nmod test {\n use crate::chip8::sound_timer::SoundTimer;\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn 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]\n fn 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":[{"line":7,"address":[1838080],"length":1,"stats":{"Line":1}},{"line":8,"address":[1838085],"length":1,"stats":{"Line":1}},{"line":16,"address":[1838112],"length":1,"stats":{"Line":2}},{"line":17,"address":[1838121],"length":1,"stats":{"Line":1}},{"line":20,"address":[1838128],"length":1,"stats":{"Line":1}},{"line":21,"address":[1838142,1838181],"length":1,"stats":{"Line":2}},{"line":22,"address":[1838183,1838157],"length":1,"stats":{"Line":1}}],"covered":7,"coverable":7},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","chip8","instructions.rs"],"content":"use std::ops::{Shl, Shr};\nuse imgui::ColorPicker3;\nuse log::debug;\nuse rand::random;\nuse crate::chip8::computer::{Chip8Computer};\nuse crate::chip8::cpu_states::Chip8CpuStates::WaitingForKey;\nuse crate::chip8::instructions::Chip8CpuInstructions::XXXXERRORINSTRUCTION;\nuse crate::chip8::util::InstructionUtil;\nuse crate::chip8::video::Chip8Video;\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)]\npub enum Chip8CpuInstructions {\n /// 0nnn\n /// Exit to System Call at nnn\n SysAddr(i16),\n /// Clear Screen\n CLS,\n /// Return from Subroutine\n RET,\n /// 1nnn\n /// Jump to Address nnn\n JpAddr(i16),\n /// 2nnn\n /// Call Subroutine at nnn\n CallAddr(i16),\n /// 0x3xkk\n /// Skip next instruction if Vx == kk\n SeVxByte(i16, i16),\n /// 4xkk\n /// Skip next instruction if Vx != kk\n SneVxByte(i16, i16),\n /// 5xy0\n /// Skip next instruction if Vx == Vy\n SeVxVy(u16, u16),\n /// 6xkk\n /// Set Vx = kk\n LdVxByte(u16, u16),\n /// 7xkk\n /// Set Vx = Vx + kk\n AddVxByte(u16, u16),\n /// 8xy0\n /// Set Vx = Vy\n LdVxVy(u16, u16),\n /// 8xy1\n /// Set Vx = Vx OR Vy\n OrVxVy(u16, u16),\n /// 8xy2\n /// Set Vx = Vx AND Vy\n AndVxVy(u16, u16),\n /// 8xy3\n /// Set Vx = Vx XOR Vy\n XorVxVy(u16, u16),\n /// 8xy4\n /// Set Vx = Vx + Vy\n /// Set VF=1 if Carry\n AddVxVy(u16, u16),\n /// 8xy5\n /// Set Vx = Vx - Vy\n /// Set VF=1 if No Borrow\n SubVxVy(u16, u16),\n /// 8xy6\n /// Set Vx = Vx SHR 1\n ShrVxVy(u16, u16),\n /// 8xy7\n /// Set Vx = Vy - Vx\n /// Set VF=1 if No Borrow\n SubnVxVy(u16, u16),\n /// 8xye\n /// Set Vx = Vx SHL 1\n ShlVxVy(u16, u16),\n /// 9xy0\n /// Skip next instruction if Vx != Vy\n SneVxVy(u16, u16),\n /// Annn\n /// Load I register with NNN\n LdIAddr(u16),\n /// Bnnn\n /// Jump to nnn+V0\n JpV0Addr(u16),\n /// Cxkk\n /// Set Vx = Random u8 AND kk\n RndVxByte(u16, u16),\n /// Dxyn\n /// Display N byte tall sprite starting at Vx, Vy\n DrawVxVyNibble(u16, u16, u16),\n /// Ex9E\n /// Skip next instruction of key in Vx pressed\n SkpVx(u16),\n /// ExA1\n /// Skip Next If Key Not Pressed\n SnkpVx(u16),\n /// Fx07\n /// Set Vx = Dt\n LdVxDt(u16),\n /// Fx0A\n /// Wait for Key to be pressed and store\n /// in Vx\n LdVxK(u16),\n /// Fx15\n /// Load Value in Delay Timer to Vx\n LdDtVx(u16), // 0xFx15 Set Delay Timer\n /// Fx18\n /// Set Dt = Vx\n LdStVx(u16),\n AddIVx(u16), // 0xFx1E I = I + Vx\n LdFVx(u16), // 0xFx29 Set I = Location of sprite for Digit Vx\n LdBVx(u16), // 0xFx33 Store BCD of Vx in I, I+1, I+2\n LdIVx(u16), // 0xFx55 Store V0 to Vx in memory starting at I\n LdVxI(u16), // 0xFx65 Load V0 to Vx in memory starting at I\n XXXXERRORINSTRUCTION,\n}\n\nimpl Chip8CpuInstructions {\n pub fn encode(\u0026self) -\u003e u16 {\n match self {\n Chip8CpuInstructions::SysAddr(target) =\u003e {\n (0x0000 | (target \u0026 0x0FFF)) as u16\n }\n Chip8CpuInstructions::CLS =\u003e {\n 0x00E0\n }\n Chip8CpuInstructions::RET =\u003e {\n 0x00EE\n }\n Chip8CpuInstructions::JpAddr(new_addr) =\u003e {\n 0x1000 | (new_addr \u0026 0x0FFF) as u16\n }\n Chip8CpuInstructions::CallAddr(address) =\u003e {\n (0x2000 | (address \u0026 0x0FFF)) as u16\n }\n Chip8CpuInstructions::SeVxByte(vx_register, byte) =\u003e {\n (0x3000 | (vx_register \u003c\u003c 8 | byte) as u16)\n }\n Chip8CpuInstructions::SneVxByte(vx_register, byte) =\u003e {\n (0x4000i16 | vx_register \u003c\u003c 8 | byte) as u16\n }\n Chip8CpuInstructions::SeVxVy(x_register, y_register) =\u003e {\n 0x5000u16 | (x_register \u003c\u003c 8 | y_register \u003c\u003c 4)\n }\n Chip8CpuInstructions::LdVxByte(x_register, byte) =\u003e {\n 0x6000u16 | x_register \u003c\u003c 8 | byte\n }\n Chip8CpuInstructions::AddVxByte(x_register, byte) =\u003e {\n 0x7000u16 | x_register \u003c\u003c 8 | byte\n }\n Chip8CpuInstructions::LdVxVy(x_register, y_register) =\u003e {\n 0x8000u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::OrVxVy(x_register, y_register) =\u003e {\n 0x8001u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::AndVxVy(x_register, y_register) =\u003e {\n 0x8002u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::XorVxVy(x_register, y_register) =\u003e {\n 0x8003u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::AddVxVy(x_register, y_register) =\u003e {\n 0x8004u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::SubVxVy(x_register, y_register) =\u003e {\n 0x8005u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::ShrVxVy(x_register, y_register) =\u003e {\n 0x8006u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::SubnVxVy(x_register, y_register) =\u003e {\n 0x8007u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::ShlVxVy(x_register, y_register) =\u003e {\n 0x800Eu16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::SneVxVy(x_register, y_register) =\u003e {\n 0x9000u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4\n }\n Chip8CpuInstructions::LdIAddr(addr) =\u003e {\n 0xA000u16 | addr\n }\n Chip8CpuInstructions::JpV0Addr(addr) =\u003e {\n 0xB000u16 | addr\n }\n Chip8CpuInstructions::RndVxByte(x_register, byte) =\u003e {\n 0xC000u16 | x_register \u003c\u003c 8 | byte\n }\n Chip8CpuInstructions::DrawVxVyNibble(x_register, y_register, height) =\u003e {\n 0xD000u16 | x_register \u003c\u003c 8 | y_register \u003c\u003c 4 | height\n }\n Chip8CpuInstructions::SkpVx(x_register) =\u003e {\n 0xE09Eu16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::SnkpVx(x_register) =\u003e {\n 0xE0A1u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdVxDt(x_register) =\u003e {\n 0xF007u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdVxK(x_register) =\u003e {\n 0xF00Au16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdDtVx(x_register) =\u003e {\n 0xF015u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdStVx(x_register) =\u003e {\n 0xF018u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::AddIVx(x_register) =\u003e {\n 0xF01Eu16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdFVx(x_register) =\u003e {\n 0xF029u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdBVx(x_register) =\u003e {\n 0xf033u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdIVx(x_register) =\u003e {\n 0xf055u16 | x_register \u003c\u003c 8\n }\n Chip8CpuInstructions::LdVxI(x_register) =\u003e {\n 0xf065u16 | x_register \u003c\u003c 8\n }\n XXXXERRORINSTRUCTION =\u003e {\n 0xffff\n }\n }\n }\n pub fn decode(input: u16) -\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;\n\n match input {\n 0x00E0 =\u003e {\n // 00E0 - CLS\n // Clear the display.\n Chip8CpuInstructions::CLS\n }\n 0x00EE =\u003e {\n // 00EE - RET\n // Return from a subroutine.\n Chip8CpuInstructions::RET\n }\n 0x0000..=0x0FFF =\u003e {\n // 0nnn - SYS addr\n // Jump to a machine code routine at nnn.\n Chip8CpuInstructions::SysAddr(addr_param as i16)\n }\n 0x1000..=0x1FFF =\u003e {\n // 1nnn - JP addr\n // Jump to location nnn.\n Chip8CpuInstructions::JpAddr(addr_param as i16)\n }\n 0x2000..=0x2FFF =\u003e {\n // 2nnn - CALL addr\n // Call subroutine at nnn.\n Chip8CpuInstructions::CallAddr(addr_param as i16)\n }\n 0x3000..=0x3FFF =\u003e {\n // 3xkk - SE Vx, byte\n // Skip next instruction if Vx = kk.\n Chip8CpuInstructions::SeVxByte(x_param as i16, byte_param as i16)\n }\n 0x4000..=0x4FFF =\u003e {\n // 4xkk - SNE Vx, byte\n // Skip next instruction if Vx != kk.\n Chip8CpuInstructions::SneVxByte(x_param as i16, byte_param as i16)\n }\n 0x5000..=0x5FF0 =\u003e {\n // 5xy0 - SE Vx, Vy\n // Skip next instruction if Vx = Vy.\n // if the last nibble isn't 0...\n if 0xf \u0026 input \u003e 0 {\n // ... we have a problem.\n Chip8CpuInstructions::XXXXERRORINSTRUCTION\n } else {\n Chip8CpuInstructions::SeVxVy(x_param, y_param)\n }\n }\n 0x6000..=0x6FFF =\u003e {\n // 6xkk - LD Vx, byte\n // Set Vx = kk.\n Chip8CpuInstructions::LdVxByte(x_param, byte_param)\n }\n 0x7000..=0x7FFF =\u003e {\n // ADD Vx, Byte\n Chip8CpuInstructions::AddVxByte(x_param, byte_param)\n }\n 0x8000..=0x8FFE =\u003e {\n // 0x8000 Series\n let last_nibble = input \u0026 0xF;\n match last_nibble {\n 0x0 =\u003e {\n // LD Vx, Vy\n Chip8CpuInstructions::LdVxVy(x_param, y_param)\n }\n 0x1 =\u003e {\n // OR Vx, Vy\n Chip8CpuInstructions::OrVxVy(x_param, y_param)\n }\n 0x2 =\u003e {\n // AND Vx, Vy\n Chip8CpuInstructions::AndVxVy(x_param, y_param)\n }\n 0x3 =\u003e {\n // XOR Vx, Vy\n Chip8CpuInstructions::XorVxVy(x_param, y_param)\n }\n 0x4 =\u003e {\n // ADD Vx, Vy\n Chip8CpuInstructions::AddVxVy(x_param, y_param)\n }\n 0x5 =\u003e {\n // SUB Vx, Vy\n Chip8CpuInstructions::SubVxVy(x_param, y_param)\n }\n 0x6 =\u003e {\n // SHR Vx, {, Vy }\n Chip8CpuInstructions::ShrVxVy(x_param, y_param)\n }\n 0x7 =\u003e {\n // SUBN Vx, Vy\n Chip8CpuInstructions::SubnVxVy(x_param, y_param)\n }\n 0xE =\u003e {\n // SHL Vx, {, Vy}\n Chip8CpuInstructions::ShlVxVy(x_param, y_param)\n }\n _ =\u003e {\n Chip8CpuInstructions::XXXXERRORINSTRUCTION\n }\n }\n }\n 0x9000..=0x9FF0 =\u003e {\n // SNE Vx, Vy\n if 0xf \u0026 input \u003e 0 {\n XXXXERRORINSTRUCTION\n } else {\n Chip8CpuInstructions::SneVxVy(x_param, y_param)\n }\n }\n 0xA000..=0xAFFF =\u003e {\n // LD I, Addr\n Chip8CpuInstructions::LdIAddr(addr_param)\n }\n 0xB000..=0xBFFF =\u003e {\n // JP V0, Addr\n Chip8CpuInstructions::JpV0Addr(addr_param)\n }\n 0xC000..=0xCFFF =\u003e {\n // RND Vx, byte\n Chip8CpuInstructions::RndVxByte(x_param, byte_param)\n }\n 0xD000..=0xDFFF =\u003e {\n // DRAW Vx, Vy, nibble\n Chip8CpuInstructions::DrawVxVyNibble(x_param, y_param, nibble_param)\n }\n 0xE09E..=0xEFA1 =\u003e {\n match last_byte {\n 0x9E =\u003e {\n Chip8CpuInstructions::SkpVx(ubln)\n }\n 0xA1 =\u003e {\n Chip8CpuInstructions::SnkpVx(ubln)\n }\n _ =\u003e {\n XXXXERRORINSTRUCTION\n }\n }\n }\n 0xF007..=0xFF65 =\u003e {\n match last_byte {\n 0x07 =\u003e {\n Chip8CpuInstructions::LdVxDt(ubln)\n }\n 0x0A =\u003e {\n Chip8CpuInstructions::LdVxK(ubln)\n }\n 0x15 =\u003e {\n Chip8CpuInstructions::LdDtVx(ubln)\n }\n 0x18 =\u003e {\n Chip8CpuInstructions::LdStVx(ubln)\n }\n 0x1E =\u003e {\n Chip8CpuInstructions::AddIVx(ubln)\n }\n 0x29 =\u003e {\n Chip8CpuInstructions::LdFVx(ubln)\n }\n 0x33 =\u003e {\n Chip8CpuInstructions::LdBVx(ubln)\n }\n 0x55 =\u003e {\n Chip8CpuInstructions::LdIVx(ubln)\n }\n 0x65 =\u003e {\n Chip8CpuInstructions::LdVxI(ubln)\n }\n _ =\u003e {\n XXXXERRORINSTRUCTION\n }\n }\n }\n _ =\u003e {\n XXXXERRORINSTRUCTION\n }\n }\n }\n\n pub fn execute(\u0026self, mut input: \u0026mut Chip8Computer) -\u003e Chip8Computer {\n let start_pc = input.registers.peek_pc();\n input.registers.poke_pc(start_pc + 2);\n let _ = match self {\n // 0x0nnn Exit to System Call\n Chip8CpuInstructions::SysAddr(new_address) =\u003e {\n debug!(\"SysAddr [0x{new_address:3x}]\");\n\n input.registers.poke_pc(*new_address as u16);\n }\n // * 0x00E0 Clear Screen\n Chip8CpuInstructions::CLS =\u003e {\n for i in 0..(64 * 32) {\n input.video_memory.poke(i, false);\n }\n }\n // 0x00EE Return from Subroutine\n Chip8CpuInstructions::RET =\u003e {\n let return_address = input.stack.pop();\n debug!(\"Returning from subroutine to {return_address:03x}\");\n input.registers.poke_pc(return_address);\n }\n // 0x1nnn Jump to Address\n Chip8CpuInstructions::JpAddr(new_address) =\u003e {\n debug!(\"JpAddr [0x{new_address:3x}]\");\n input.registers.poke_pc(*new_address as u16);\n }\n // 0x2nnn Call Subroutine\n Chip8CpuInstructions::CallAddr(new_address) =\u003e {\n debug!(\"CALL ADDR 0x{new_address:3x}\");\n let return_address = input.registers.peek_pc();\n input.registers.poke_pc(*new_address as u16);\n input.stack.push(\u0026return_address);\n }\n // 0x3xkk Skip next instruction if Vx = kk.\n Chip8CpuInstructions::SeVxByte(vx_register, byte) =\u003e {\n if input.registers.peek(*vx_register as u8) == *byte as u8 {\n input.registers.advance_pc();\n }\n debug!(\"SeVxByte [0x{vx_register:1x}] [0x{byte:2x}]\");\n }\n // 0x4xkk Skip next instruction if Vx != kk\n Chip8CpuInstructions::SneVxByte(x, byte) =\u003e {\n if input.registers.peek(*x as u8) != *byte as u8 {\n input.registers.advance_pc();\n }\n debug!(\"SneVxByte [0x{x:1x}] [0x{byte:2x}\");\n }\n // 0x5xy0 Skip next instruction if Vx == Vy\n Chip8CpuInstructions::SeVxVy(x, y) =\u003e {\n let lhs = input.registers.peek(*x as u8);\n let rhs = input.registers.peek(*y as u8);\n\n if lhs == rhs {\n input.registers.advance_pc();\n }\n debug!(\"SeVxVy [0x{x:1x}] [0x{y:1x}]\");\n }\n // 0x6xkk Set Vx = kk\n Chip8CpuInstructions::LdVxByte(register, byte) =\u003e {\n let byte_value = *byte as u8;\n input.registers.poke(*register as u8, byte_value);\n debug!(\"LdVxByte [0x{register:1x}] [0x{byte:2.0x}]\");\n }\n // 0x7xkk Set Vx = Vx + kk\n Chip8CpuInstructions::AddVxByte(vx_register, byte) =\u003e {\n let x_value: u16 = input.registers.peek(*vx_register as u8) as u16;\n let value_to_poke = (x_value + *byte) as u8;\n input.registers.poke(*vx_register as u8, value_to_poke);\n debug!(\"AddVxByte [0x{vx_register:1x}] [0x{byte:02x}] [0x{value_to_poke:02x}\");\n }\n // 0x8xy0 Set value of Vy in Vx\n Chip8CpuInstructions::LdVxVy(x, y) =\u003e {\n input.registers.poke(*x as u8, input.registers.peek(*y as u8));\n debug!(\"LdVxVy [0x{x:1x}] [0x{y:1x}]\");\n }\n // 0x8xy1 Set Vx = Vx OR Vy\n Chip8CpuInstructions::OrVxVy(x, y) =\u003e {\n // shift them to 16 bit\n let working_16_x = input.registers.peek(*x as u8) as u16;\n let working_16_y = input.registers.peek(*y as u8) as u16;\n // OR them\n let working_16_or = working_16_x | working_16_y;\n // shift them back to 8 bit.\n let to_set = working_16_or as u8;\n input.registers.poke(*x as u8, to_set);\n debug!(\"OrVxVy [0x{x:1x}] [0x{y:1x}]\")\n }\n // 0x8xy2 Set Vx = Vx AND Vy\n Chip8CpuInstructions::AndVxVy(x, y) =\u003e {\n let lhs_16 = input.registers.peek(*x as u8) as u16;\n let rhs_16 = input.registers.peek(*y as u8) as u16;\n let and_16 = lhs_16 \u0026 rhs_16;\n\n input.registers.poke(*x as u8, and_16 as u8);\n debug!(\"AndVxVy [0x{x:02x}] [0x{y:02x}] [0b{and_16:08b}\");\n }\n // 0x8xy3 Set Vx = Vx XOR Vy\n Chip8CpuInstructions::XorVxVy(x, y) =\u003e {\n let lhs_16 = input.registers.peek(*x as u8) as u16;\n let rhs_16 = input.registers.peek(*y as u8) as u16;\n let xor_16 = lhs_16 ^ rhs_16;\n input.registers.poke(*x as u8, xor_16 as u8);\n }\n // 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)\n Chip8CpuInstructions::AddVxVy(x, y) =\u003e {\n let lhs = input.registers.peek(*x as u8) as i16;\n let rhs = input.registers.peek(*y as u8) as i16;\n let working = lhs + rhs;\n if working \u003e 0xff {\n input.registers.poke(0xf, 0x01);\n }\n input.registers.poke(*x as u8, working as u8);\n }\n Chip8CpuInstructions::SubVxVy(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 let mut x_value: u16 = input.registers.peek(*x as u8) as u16;\n let y_value = input.registers.peek(*y as u8);\n // do we borrow?\n if y_value \u003e= x_value as u8 {\n x_value += 256;\n input.registers.poke(0xf, 1);\n } else {\n input.registers.poke(0xf, 0);\n }\n let result = (x_value - y_value as u16) as u8;\n input.registers.poke(*x as u8, result);\n }\n Chip8CpuInstructions::ShrVxVy(x, _) =\u003e {\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, otherwise 0. Then Vx is divided by 2.\n let initial_value = input.registers.peek(*x as u8);\n if 0xb1 \u0026 initial_value == 1 {\n input.registers.poke(0xf, 1);\n }\n input.registers.poke(*x as u8, initial_value.shr(1));\n }\n Chip8CpuInstructions::SubnVxVy(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 as u8);\n let x_register = input.registers.peek(*x as u8);\n let new_value = if y_register \u003c= x_register { 1 } else { 0 };\n let value_to_poke = if y_register \u003c= x_register {\n ((y_register as u16 + 256) - x_register as u16) as u8\n } else {\n y_register - x_register\n };\n input.registers.poke(0xf, new_value);\n input.registers.poke(*x as u8, value_to_poke);\n }\n\n Chip8CpuInstructions::ShlVxVy(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 as u8);\n if 0x80 \u0026 initial_value == 0x80 {\n input.registers.poke(0xf, 1);\n }\n input.registers.poke(*x as u8, initial_value.shl(1));\n }\n Chip8CpuInstructions::SneVxVy(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 as u8);\n let y_reg_value = input.registers.peek(*vy_register as u8);\n if x_reg_value != y_reg_value {\n input.registers.advance_pc();\n }\n }\n Chip8CpuInstructions::LdIAddr(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::JpV0Addr(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.registers.poke_pc(input.registers.peek(0) as u16 + addr);\n }\n Chip8CpuInstructions::RndVxByte(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 new_value: u8 = random();\n input.registers.poke(*x as u8, (new_value \u0026 *byte as u8))\n }\n Chip8CpuInstructions::DrawVxVyNibble(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\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\n let x_offset = input.registers.peek(*x as u8);\n let y_offset = input.registers.peek(*y as u8);\n\n println!(\"X_OFFSET = {x_offset} / y_offset = {y_offset}\");\n let target_memory_offset = x_offset as u16 * 64 + y_offset as u16;\n\n println!(\"CHIP8CPUINSTRUCTION:DRAWVXNIBBLE -\u003e STARTING AT {source_memory_offset} WRITING TO {target_memory_offset}\");\n let num_bytes_to_read = *n;\n println!(\"CHIP8CPUINSTRUCTION:DRAWVXNIBBLE -\u003e PREPARING TO READ {num_bytes_to_read} BYTES FROM MEMORY TO VIDEO\");\n for byte_index in 0..num_bytes_to_read {\n let current_byte = input.memory.peek(byte_index + source_memory_offset);\n println!(\"CHIP8CPUINSTRUCTION:DRAWVXNIBBLE -\u003e READ BYTE [0x{byte_index:2x}]\\t{current_byte:02x}\\t{current_byte:08b}\");\n for bit_index in 0..8 {\n let data_offset = ((x_offset as u16 + byte_index) * 64 ) + (y_offset + bit_index) as u16;\n let current_bit = (current_byte.shr(7 - bit_index) \u0026 0x1u8) == 0x1u8;\n input.video_memory.poke(data_offset, current_bit);\n }\n }\n\n println!(\"PPOOSSTT -\u003e CHIP8CPUINSTRUCTION:DRAWVXNIBBLE -\u003e {}\", input.video_memory.format_as_string());\n\n let mut did_change: bool = false;\n\n if did_change {\n input.registers.poke(0xf, 1u8);\n } else {\n input.registers.poke(0xf, 0u8);\n }\n }\n Chip8CpuInstructions::SkpVx(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 as u8);\n let is_pressed = input.keypad.pressed(key_to_check);\n if is_pressed {\n input.registers.advance_pc();\n }\n }\n Chip8CpuInstructions::SnkpVx(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 as u8);\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::LdVxDt(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 as u8, value_to_set as u8);\n }\n Chip8CpuInstructions::LdVxK(x) =\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::LdDtVx(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 as u8);\n input.delay_timer.set_timer(new_time as i32);\n }\n Chip8CpuInstructions::LdStVx(new_time) =\u003e {\n let new_value = input.registers.peek(*new_time as u8);\n input.sound_timer.set_timer(new_value as i32);\n }\n Chip8CpuInstructions::AddIVx(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 as u8);\n input.registers.poke_i(base + x_value as u16);\n }\n Chip8CpuInstructions::LdFVx(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 to_offset = input.registers.peek(*x as u8) - 1;\n let real_offset = to_offset as u16 * 5;\n input.registers.poke_i(real_offset as u16);\n }\n Chip8CpuInstructions::LdBVx(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 as u8);\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 // Convert to BCD\n let result = ((hundreds as u16) \u003c\u003c 8) | units as u16;\n (tens \u003c\u003c 4) | units;\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::LdIVx(x) =\u003e {\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 offset = input.registers.peek_i();\n for i in 0..*x {\n input.memory.poke(offset + i, input.registers.peek(i as u8));\n }\n input.registers.poke_i(offset + 1);\n }\n Chip8CpuInstructions::LdVxI(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 println!(\"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 as u8, src_value);\n println!(\"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 };\n input.clone()\n }\n}\n\n#[cfg(test)]\nmod test {\n use dimensioned::typenum::assert_type;\n use ratatui::crossterm::execute;\n use crate::chip8::cpu_states::Chip8CpuStates;\n use crate::chip8::system_memory::{CHIP8FONT_0, CHIP8FONT_1, CHIP8FONT_2, CHIP8FONT_9};\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn encode_decode_test() {\n assert_eq!(Chip8CpuInstructions::CLS.encode(), 0x00E0);\n assert_eq!(Chip8CpuInstructions::RET.encode(), 0x00EE);\n assert_eq!(Chip8CpuInstructions::SysAddr(0x123).encode(), 0x0123);\n assert_eq!(Chip8CpuInstructions::JpAddr(0x234).encode(), 0x1234);\n assert_eq!(Chip8CpuInstructions::CallAddr(0x345).encode(), 0x2345);\n assert_eq!(Chip8CpuInstructions::SeVxByte(0x4, 0x56).encode(), 0x3456);\n assert_eq!(Chip8CpuInstructions::SneVxByte(0xa, 0xbc).encode(), 0x4abc);\n assert_eq!(Chip8CpuInstructions::SeVxVy(0xa, 0xb).encode(), 0x5ab0);\n assert_eq!(Chip8CpuInstructions::LdVxByte(0xa, 0xff).encode(), 0x6aff);\n assert_eq!(Chip8CpuInstructions::AddVxByte(0xa, 0xbc).encode(), 0x7abc);\n assert_eq!(Chip8CpuInstructions::LdVxVy(0xa, 0xb).encode(), 0x8ab0);\n assert_eq!(Chip8CpuInstructions::OrVxVy(0xb, 0xa).encode(), 0x8ba1);\n assert_eq!(Chip8CpuInstructions::AndVxVy(0xc, 0xd).encode(), 0x8cd2);\n assert_eq!(Chip8CpuInstructions::XorVxVy(0xd, 0xe).encode(), 0x8de3);\n assert_eq!(Chip8CpuInstructions::AddVxVy(0xe, 0xf).encode(), 0x8ef4);\n assert_eq!(Chip8CpuInstructions::SubVxVy(0xf, 0x0).encode(), 0x8f05);\n assert_eq!(Chip8CpuInstructions::ShrVxVy(0x0, 0x1).encode(), 0x8016);\n assert_eq!(Chip8CpuInstructions::SubnVxVy(0x1, 0x2).encode(), 0x8127);\n assert_eq!(Chip8CpuInstructions::ShlVxVy(0x3, 0x4).encode(), 0x834e);\n assert_eq!(Chip8CpuInstructions::SneVxVy(0xa, 0xb).encode(), 0x9ab0);\n assert_eq!(Chip8CpuInstructions::LdIAddr(0x123).encode(), 0xa123);\n assert_eq!(Chip8CpuInstructions::JpV0Addr(0x234).encode(), 0xb234);\n assert_eq!(Chip8CpuInstructions::RndVxByte(0xa, 0xca).encode(), 0xcaca);\n assert_eq!(Chip8CpuInstructions::DrawVxVyNibble(0xa, 0xb, 0x4).encode(), 0xdab4);\n assert_eq!(Chip8CpuInstructions::SkpVx(0x1).encode(), 0xe19e);\n assert_eq!(Chip8CpuInstructions::SnkpVx(0x2).encode(), 0xe2a1);\n assert_eq!(Chip8CpuInstructions::LdVxDt(0x1).encode(), 0xf107);\n assert_eq!(Chip8CpuInstructions::LdVxK(0x4).encode(), 0xf40a);\n assert_eq!(Chip8CpuInstructions::LdDtVx(0x6).encode(), 0xf615);\n assert_eq!(Chip8CpuInstructions::LdStVx(0xb).encode(), 0xfb18);\n assert_eq!(Chip8CpuInstructions::AddIVx(0xd).encode(), 0xfd1e);\n assert_eq!(Chip8CpuInstructions::LdFVx(0xc).encode(), 0xfc29);\n assert_eq!(Chip8CpuInstructions::LdBVx(0xd).encode(), 0xfd33);\n assert_eq!(Chip8CpuInstructions::LdIVx(0xe).encode(), 0xfe55);\n assert_eq!(Chip8CpuInstructions::LdVxI(0x3).encode(), 0xf365);\n assert!(matches!(Chip8CpuInstructions::decode(0x00E0u16), Chip8CpuInstructions::CLS));\n assert!(matches!(Chip8CpuInstructions::decode(0x00EEu16), Chip8CpuInstructions::RET));\n assert!(matches!(Chip8CpuInstructions::decode(0x0123), Chip8CpuInstructions::SysAddr(0x123)));\n assert!(matches!(Chip8CpuInstructions::decode(0x0FFF), Chip8CpuInstructions::SysAddr(0xfff)));\n assert!(matches!(Chip8CpuInstructions::decode(0x1002), Chip8CpuInstructions::JpAddr(0x2)));\n assert!(matches!(Chip8CpuInstructions::decode(0x1FF0), Chip8CpuInstructions::JpAddr(0xFF0)));\n assert!(matches!(Chip8CpuInstructions::decode(0x2002), Chip8CpuInstructions::CallAddr(0x2)));\n assert!(matches!(Chip8CpuInstructions::decode(0x3123), Chip8CpuInstructions::SeVxByte(0x1, 0x23)));\n assert!(matches!(Chip8CpuInstructions::decode(0x4abc), Chip8CpuInstructions::SneVxByte(0xa, 0xbc)));\n assert!(matches!(Chip8CpuInstructions::decode(0x5ab0), Chip8CpuInstructions::SeVxVy(0xa, 0xb)));\n assert!(matches!(Chip8CpuInstructions::decode(0x6aff), Chip8CpuInstructions::LdVxByte(0xa, 0xff)));\n assert!(matches!(Chip8CpuInstructions::decode(0x7abc), Chip8CpuInstructions::AddVxByte(0xa, 0xbc)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8ab0), Chip8CpuInstructions::LdVxVy(0xa, 0xb)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8ba1), Chip8CpuInstructions::OrVxVy(0xb, 0xa)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8cd2), Chip8CpuInstructions::AndVxVy(0xc, 0xd)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8de3), Chip8CpuInstructions::XorVxVy(0xd, 0xe)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8ef4), Chip8CpuInstructions::AddVxVy(0xe, 0xf)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8f05), Chip8CpuInstructions::SubVxVy(0xf, 0x0)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8016), Chip8CpuInstructions::ShrVxVy(0x0, 0x1)));\n assert!(matches!(Chip8CpuInstructions::decode(0x8127), Chip8CpuInstructions::SubnVxVy(0x1, 0x2)));\n assert!(matches!(Chip8CpuInstructions::decode(0x834e), Chip8CpuInstructions::ShlVxVy(0x3, 0x4)));\n assert!(matches!(Chip8CpuInstructions::decode(0x9ab0), Chip8CpuInstructions::SneVxVy(0xa, 0xb)));\n assert!(matches!(Chip8CpuInstructions::decode(0xa123), Chip8CpuInstructions::LdIAddr(0x123)));\n assert!(matches!(Chip8CpuInstructions::decode(0xb234), Chip8CpuInstructions::JpV0Addr(0x234)));\n assert!(matches!(Chip8CpuInstructions::decode(0xcaca), Chip8CpuInstructions::RndVxByte(0xa, 0xca)));\n assert!(matches!(Chip8CpuInstructions::decode(0xdab4), Chip8CpuInstructions::DrawVxVyNibble(0xa, 0xb, 0x4)));\n assert!(matches!(Chip8CpuInstructions::decode(0xe19e), Chip8CpuInstructions::SkpVx(0x1)));\n assert!(matches!(Chip8CpuInstructions::decode(0xe2a1), Chip8CpuInstructions::SnkpVx(0x2)));\n assert!(matches!(Chip8CpuInstructions::decode(0xf107), Chip8CpuInstructions::LdVxDt(0x1)));\n assert!(matches!(Chip8CpuInstructions::decode(0xf40a), Chip8CpuInstructions::LdVxK(0x4)));\n assert!(matches!(Chip8CpuInstructions::decode(0xf615), Chip8CpuInstructions::LdDtVx(0x6)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfb18), Chip8CpuInstructions::LdStVx(0xb)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfd1e), Chip8CpuInstructions::AddIVx(0xd)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfc29), Chip8CpuInstructions::LdFVx(0xc)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfd33), Chip8CpuInstructions::LdBVx(0xd)));\n assert!(matches!(Chip8CpuInstructions::decode(0xfe55), Chip8CpuInstructions::LdIVx(0xe)));\n assert!(matches!(Chip8CpuInstructions::decode(0xf365), Chip8CpuInstructions::LdVxI(0x3)));\n }\n\n #[test]\n fn decoder_test_invalid_instructions() {\n let invalid_to_encode = [\n 0x5ab1, 0x5abf, 0x8ab8, 0x8abd, 0x8abf,\n 0x9ab1, 0x9abf, 0xea9d, 0xea9f, 0xeaa0,\n 0xeaa2, 0xf006, 0xf008\n ];\n\n for i in invalid_to_encode {\n assert_eq!(Chip8CpuInstructions::decode(i).encode(), 0xffff);\n assert!(matches!(Chip8CpuInstructions::decode(i), Chip8CpuInstructions::XXXXERRORINSTRUCTION));\n }\n }\n\n /// START OF THE EXECUTION TESTS\n #[test]\n fn sys_test() {\n // 0x0nnn Exit to System Call\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::SysAddr(0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0);\n\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::SysAddr(0xFA0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0xFA0);\n\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::SysAddr(0x0AF).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x0AF);\n }\n\n #[test]\n fn jpaddr_test() {\n // 0x1nnn Jump to Address\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::JpAddr(0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0);\n\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::JpAddr(0xABC).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0xABC);\n }\n\n // ** test moved up so it can be used later\n #[test]\n fn ld_vx_byte_test() {\n // 0x6xkk Set Vx = kk\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::LdVxByte(1, 0x12).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0x12);\n\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::LdVxByte(2, 0x21).execute(\u0026mut x);\n assert_eq!(x.registers.peek(2), 0x21);\n }\n\n #[test]\n fn sevxbyte_match_test() {\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::SeVxByte(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::SeVxByte(1, 0x84).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x204);\n }\n\n #[test]\n fn se_vx_vy_test() {\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::SeVxVy(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::SeVxVy(0x01, 0x02).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn ld_vx_vy_test() {\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::LdVxVy(0x01, 0x02).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0x02);\n }\n\n #[test]\n fn or_vx_vy_test() {\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::OrVxVy(1, 2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0b01011010);\n }\n\n #[test]\n fn and_vx_vy_test() {\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::AndVxVy(1, 2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0xC8);\n }\n\n #[test]\n fn xor_vx_vy_test() {\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::XorVxVy(1, 2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0b00110110);\n }\n\n #[test]\n fn add_vx_vy_test() {\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::AddVxVy(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::AddVxVy(1, 2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(0xf), 1);\n assert_eq!(x.registers.peek(1), 0);\n }\n\n #[test]\n fn shr_vx_vy_test() {\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::ShrVxVy(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::ShrVxVy(0x1, 0x2).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0b00000100);\n assert_eq!(x.registers.peek(0xf), 1);\n }\n\n #[test]\n fn ldi_addr_test() {\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::LdIAddr(0x123).execute(\u0026mut x);\n assert_eq!(x.registers.peek_i(), 0x123);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn jp_v0addr_test() {\n let mut x = Chip8Computer::new();\n /// jump to I + nnn\n x.registers.poke(0x0, 0xff);\n Chip8CpuInstructions::JpV0Addr(0x100).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x1FF);\n }\n\n #[test]\n fn cls_test() {\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::CLS.execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn skip_next_instruction_ne_text() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0xf0);\n Chip8CpuInstructions::SneVxByte(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::SneVxByte(0x1, 0xf0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn addivx_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke_i(0xabc);\n x.registers.poke(0x0, 0x10);\n Chip8CpuInstructions::AddIVx(0x0).execute(\u0026mut x);\n assert_eq!(x.registers.peek_i(), 0xacc);\n }\n\n #[test]\n fn ldstvt_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0xf0);\n Chip8CpuInstructions::LdStVx(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]\n fn rnd_vx_byte_text() {\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::RndVxByte(0x1, 0x0f).execute(\u0026mut x);\n let new_value = x.registers.peek(0x1);\n assert!(new_value \u003c 0x10);\n }\n\n #[test]\n fn 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::AddVxByte(0x1, 0x10).execute(\u0026mut x);\n assert_eq!(x.registers.peek(1), 0xbb);\n }\n\n #[test]\n fn 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::SubVxVy(0x1, 0x02).execute(\u0026mut x);\n assert_eq!(x.registers.peek(0xf), 0);\n assert_eq!(x.registers.peek(0x1), 0x8);\n assert_eq!(x.registers.peek_pc(), 0x202);\n }\n\n #[test]\n fn sne_vx_vy_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0x10);\n x.registers.poke(0x2, 0x10);\n Chip8CpuInstructions::SneVxVy(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::SneVxVy(0x01, 0x02).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x204)\n }\n\n #[test]\n fn ld_dt_vx_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0x10);\n Chip8CpuInstructions::LdDtVx(0x1).execute(\u0026mut x);\n assert_eq!(x.delay_timer.current(), 0x10);\n for i in 0..0x20 {\n x.delay_timer.tick();\n }\n assert_eq!(x.delay_timer.current(), 0);\n }\n\n #[test]\n fn ld_vx_dt_test() {\n let mut x = Chip8Computer::new();\n x.registers.poke(0x1, 0xf0);\n Chip8CpuInstructions::LdDtVx(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]\n fn 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::SubnVxVy(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), 0x0);\n\n let mut x = Chip8Computer::new();\n x.registers.poke(0x01, 0xab);\n x.registers.poke(0x02, 0xa0);\n Chip8CpuInstructions::SubnVxVy(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), 0x1);\n }\n\n #[test]\n fn shl_vx_vy_test_1() {\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::ShlVxVy(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::ShlVxVy(0x1, 0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek(0x1), 0b01010100);\n assert_eq!(x.registers.peek(0xf), 0x1);\n }\n\n #[test]\n fn ld_f_vx_test() {\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::LdFVx(0x1).execute(\u0026mut x);\n\n assert_eq!(x.registers.peek_i(), 0x5);\n\n let mut x = Chip8Computer::new();\n x.registers.poke(0x01, 0x06);\n Chip8CpuInstructions::LdFVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_i(), 25);\n }\n\n #[test]\n fn ld_b_vx_test() {\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::LdBVx(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\n #[test]\n fn ld_i_vx_test() {\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::LdIVx(to_load.len() as u16).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\n #[test]\n fn ld_vx_i_test() {\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::LdVxI(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 }\n\n #[test]\n fn Sknkpvx_test() {\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::SnkpVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x202);\n x.keypad.release_key(0x5);\n Chip8CpuInstructions::SnkpVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x206);\n }\n\n #[test]\n fn skpvx_test() {\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::SkpVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x204);\n\n x.keypad.release_key(0x5);\n Chip8CpuInstructions::SkpVx(0x1).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x206);\n }\n\n #[test]\n fn draw_nibble_vx_vy_n_test() {\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::DrawVxVyNibble(x_register as u16, y_register as u16, 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 = (x_offset\n 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 println!(\"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 println!(\"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]\n fn sub_test() {\n // 2nnn\n // Call a subroutine at 2nnn\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::CallAddr(0x124).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x124);\n assert_eq!(x.stack.depth(), 1);\n Chip8CpuInstructions::CallAddr(0x564).execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x564);\n assert_eq!(x.stack.depth(), 2);\n }\n\n #[test]\n fn ret_test() {\n // Return from a subroutine.\n let mut x = Chip8Computer::new();\n x.stack.push(\u00260x132);\n x.stack.push(\u00260xabc);\n Chip8CpuInstructions::RET.execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0xabc);\n assert_eq!(x.stack.depth(), 1);\n Chip8CpuInstructions::RET.execute(\u0026mut x);\n assert_eq!(x.registers.peek_pc(), 0x132);\n assert_eq!(x.stack.depth(), 0);\n }\n\n\n #[test]\n fn ldvxk_test() {\n let mut x = Chip8Computer::new();\n Chip8CpuInstructions::LdVxByte(0x1, 0x1).execute(\u0026mut x);\n Chip8CpuInstructions::LdVxK(0x1).execute(\u0026mut x);\n assert!(matches!(x.state, WaitingForKey));\n 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imgui::Key;\n\n\n#[derive(Clone, Copy)]\npub struct Keypad {\n keys: [bool; 0x10],\n}\n\nimpl Keypad {\n pub fn format_as_string(\u0026self) -\u003e String {\n let mut return_value = String::new();\n // draw a 4x4 grid showing the keys with * filling the cells that are depressed\n let keys = [\n [0x1, 0x2, 0x3, 0xc],[0x4, 0x5, 0x6, 0xd],[0x7, 0x8, 0x9, 0xe],[0xa, 0x0, 0xb, 0xf]\n ];\n\n for row in keys.iter() {\n for (index, key) in row.iter().enumerate() {\n let is_lit = if self.keys[*key] { \"*\".to_string() } else { char::from_digit(*key as u32, 16).unwrap_or(' ').to_string() };\n match index {\n 3 =\u003e {\n // last in col\n return_value += format!(\"|{}|\\n\", is_lit).as_str();\n }\n _=\u003e {\n return_value += format!(\"|{}\", is_lit).as_str();\n }\n }\n }\n }\n\n return_value\n }\n}\n\nimpl Default for Keypad {\n fn default() -\u003e Self {\n Keypad {\n keys: [ false; 16]\n }\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 }\n}\n\n#[cfg(test)]\nmod test {\n use super::*;\n\n #[test]\n fn smoke() { assert!(true) }\n\n #[test]\n fn 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 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log::debug;\n\n/// Registers. numbered 1-16 publicly.\n/// Privately using zero base array so -1 to shift from pub to priv.\n#[derive(Clone, Copy)]\npub struct Chip8Registers {\n registers: [u8; 16],\n i_register: u16,\n pc: u16,\n sp: u16,\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 sp: 0x100,\n }\n }\n}\n\nimpl Chip8Registers {\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\n#[cfg(test)]\nmod test {\n use crate::chip8::registers::Chip8Registers;\n\n #[test]\n fn smoke() { assert!(true) }\n\n #[test]\n fn 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]\n fn 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]\n fn invalid_register() {\n let mut x = Chip8Registers::default();\n x.poke(0x10, 0xff);\n }\n\n #[test]\n fn 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 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std::{thread, time};\nuse beep::beep;\nuse log::trace;\n\n#[derive(Clone, Copy)]\npub struct SoundTimer {\n counter: i32\n}\n\nimpl SoundTimer {\n pub fn current(\u0026self) -\u003e i32 {\n self.counter\n }\n pub fn new() -\u003e Self {\n SoundTimer {\n counter: 0\n }\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!(\"TICKING SOUND FROM {} to {}\", self.counter, self.counter - 1);\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\n#[cfg(test)]\nmod test {\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn 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]\n fn 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":[{"line":11,"address":[1754528],"length":1,"stats":{"Line":1}},{"line":12,"address":[1754533],"length":1,"stats":{"Line":1}},{"line":19,"address":[1754560],"length":1,"stats":{"Line":1}},{"line":20,"address":[1754784,1754584,1754662],"length":1,"stats":{"Line":2}},{"line":21,"address":[1754620],"length":1,"stats":{"Line":1}},{"line":24,"address":[1754928],"length":1,"stats":{"Line":1}},{"line":25,"address":[1754948,1755141,1755279,1755026],"length":1,"stats":{"Line":2}},{"line":26,"address":[1755508,1754984],"length":1,"stats":{"Line":2}},{"line":27,"address":[1755484,1755510],"length":1,"stats":{"Line":1}}],"covered":9,"coverable":9},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","src","chip8","stack.rs"],"content":"#[derive(Clone)]\npub struct Chip8Stack {\n items: Vec\u003cu16\u003e\n}\n\nimpl Default for Chip8Stack {\n fn default() -\u003e Self {\n Chip8Stack {\n items: vec![],\n }\n }\n}\n\nimpl Chip8Stack {\n pub fn push(\u0026mut self, new_value: \u0026u16) {\n if self.depth() == 16 {\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 {\n items: vec![]\n }\n }\n}\n\n#[cfg(test)]\nmod test {\n use rand::random;\n use super::*;\n\n #[test]\n fn smoke() { assert!(true) }\n\n #[test]\n fn 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]\n fn 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]\n fn stack_underflow_test() {\n let mut x = Chip8Stack::new();\n x.pop();\n }\n\n #[test]\n fn lots_of_subs() {\n let mut x = Chip8Stack::new();\n let stack_contents = [0x123, 0x321, 0xabc, 0xdef,\n 0xbad, 0xbef, 0xfed, 0xcab,\n 0xbed, 0xcad, 0xfeb, 0xcab,\n 0xfff, 0x000, 0x001];\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 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glium::RawUniformValue::Vec2;\nuse image::load;\nuse imgui::sys::ImColor;\nuse imgui::{ImColor32, Ui};\nuse log::{debug, trace};\nuse ratatui::{style::Style, widgets::Widget};\n\nuse crate::constants::{CHIP8_MEMORY_SIZE, CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH};\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\n#[derive(Clone, Copy)]\npub struct Chip8SystemMemory {\n memory: [u8; CHIP8_MEMORY_SIZE as usize],\n}\n\nimpl Default for Chip8SystemMemory {\n fn default() -\u003e Self {\n\n let mut x = Chip8SystemMemory {\n memory: [0x00; CHIP8_MEMORY_SIZE as usize],\n };\n\n x.load_fonts_to_memory();\n x\n }\n}\n\nconst cell_width: i32 = 5i32;\nconst cell_height: i32 = 5i32;\n\nimpl Chip8SystemMemory {\n \n pub fn new() -\u003e Self {\n Chip8SystemMemory {\n memory: [0x00; CHIP8_MEMORY_SIZE as usize],\n }\n }\n\n pub fn peek(self, address: u16) -\u003e u8 {\n trace!(\"PEEK: {} / {}\", address, self.memory[address as usize].clone());\n self.memory[address as usize]\n }\n\n pub fn poke(\u0026mut self, address: u16, value: u8) {\n trace!(\"POKE: {} / {} to {}\", address, self.memory[address as usize], value);\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\n#[cfg(test)]\nmod test {\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn model_smoke() {\n let m = Chip8SystemMemory::default();\n for i in 0..5 {\n assert_eq!(m.peek(i), CHIP8FONT_0[i as usize]);\n }\n\n assert_eq!(m.peek((CHIP8_MEMORY_SIZE - 1) as u16), 0);\n }\n\n #[test]\n fn known_data_loaded_correctly() {\n let to_load = [ 0x01, 0x02, 0x03, 0x04, 0x05 , 0x06 ];\n let mut x = Chip8SystemMemory::default();\n\n for (index, value) in [1..10].iter().enumerate() {\n assert_ne!(x.peek(0), 0x01);\n x.poke(0, 0x01);\n assert_eq!(x.peek(0), 0x01);\n }\n }\n\n #[test]\n fn verify_load_program() {\n // first line of 1-chip-logo.ch8\n let program_to_load = [0x00e0, 0x6101, 0x6008, 0xa250, 0xd01f, 0x6010, 0xa25f, 0xd01f];\n\n let mut x = Chip8SystemMemory::new();\n\n \n 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struct InstructionUtil {}\n\nimpl InstructionUtil {\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 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 = return_value | new_bit\n }\n }\n return_value\n }\n\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 pub fn join_bytes(high: u8, low: u8) -\u003e u16 {\n let result = (high as u16) \u003c\u003c 8 | low as u16;\n result\n }\n\n // nnn or addr - A 12-bit value, the lowest 12 bits of the instruction\n pub fn read_addr_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n instruction_to_read_from \u0026 0x0FFF\n }\n\n // n or nibble - A 4-bit value, the lowest 4 bits of the instruction\n pub fn read_nibble_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n instruction_to_read_from \u0026 0x000F\n }\n\n // x - A 4-bit value, the lower 4 bits of the high byte of the instruction\n pub fn read_x_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n (instruction_to_read_from \u0026 0x0F00).rotate_right(8)\n }\n\n // y - A 4-bit value, the upper 4 bits of the low byte of the instruction\n pub fn read_y_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n (instruction_to_read_from \u0026 0x00F0).rotate_right(4)\n }\n\n // kk or byte - An 8-bit value, the lowest 8 bits of the instruction\n pub fn read_byte_from_instruction(instruction_to_read_from: u16) -\u003e u16 {\n (instruction_to_read_from \u0026 0x00FF)\n }\n\n pub fn read_upper_byte_lower_nibble(to_read_from: u16) -\u003e u16 {\n (to_read_from \u0026 0x0f00) \u003e\u003e 8\n }\n}\n\n#[cfg(test)]\nmod test {\n use super::*;\n\n #[test]\n fn smoke() {\n assert!(true)\n }\n\n #[test]\n fn 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]\n fn 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]\n fn 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]\n fn 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]\n fn byte_to_bool_changes() {\n assert_eq!(InstructionUtil::byte_to_bools(0b00000000), [false, false, false, false, false, false, false, false]);\n assert_eq!(InstructionUtil::byte_to_bools(0b11111111), [true, true, true, true, true, true, true, true]);\n assert_eq!(InstructionUtil::byte_to_bools(0b11001100), [false, false, true, true, false, false, true, true]);\n assert_eq!(InstructionUtil::byte_to_bools(0b11110000), [false, false, false, false, true, true, true, true]);\n assert_eq!(InstructionUtil::bools_to_byte([false, false, false, false, false, false, false, false]), 0b00000000);\n assert_eq!(InstructionUtil::bools_to_byte([true, true, true, true, true, true, true, true]), 0b11111111);\n assert_eq!(InstructionUtil::bools_to_byte([false, false, true, true, false, false, true, true]), 0b11001100);\n assert_eq!(InstructionUtil::bools_to_byte([false, false, false, false, true, true, true, true]), 0b11110000);\n 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log::{debug, trace};\nuse crate::constants::CHIP8_VIDEO_MEMORY;\n\n#[derive(Clone, Copy)]\npub struct Chip8Video {\n memory: [bool; CHIP8_VIDEO_MEMORY],\n pub has_frame_changed: bool\n}\n\nimpl Chip8Video {\n pub fn cls(\u0026mut self) {\n for i in 0..CHIP8_VIDEO_MEMORY {\n self.memory[i] = 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: [bool; CHIP8_VIDEO_MEMORY]) -\u003e Self {\n Self {\n memory: initial_configuration,\n has_frame_changed: false\n }\n }\n\n pub fn peek(self, address: u16) -\u003e bool {\n self.memory[address as usize]\n }\n\n pub fn poke(\u0026mut self, address: u16, new_value: bool) -\u003e Self {\n trace!(\"OFFSET: {address} - POKING {new_value}\");\n let old_value = self.memory[address as usize];\n if old_value != new_value {\n trace!(\"**VIDEO** TOGGLING\");\n self.has_frame_changed = true;\n } else {\n trace!(\"NOT TOGGLING\");\n }\n self.memory[address as usize] = new_value;\n self.to_owned()\n }\n\n pub fn poke_byte(\u0026mut self, first_address: u16, to_write: u8) -\u003e Self {\n for i in (0..8).rev() {\n let shifted = ((1 \u003c\u003c i) \u0026 to_write) \u003e\u003e i;\n //\n let target_address = first_address + (7 - i);\n let is_set = shifted == 1;\n self.poke(target_address, is_set);\n }\n self.to_owned()\n }\n\n pub fn poke_sprite(\u0026mut self, first_address: u16, to_write: Vec\u003cu8\u003e) -\u003e Self {\n let sprite_length = to_write.len();\n\n for (index, byte) in to_write.iter().enumerate() {\n let real_address = index * 64;\n self.poke_byte(real_address as u16, *byte);\n }\n self.to_owned()\n }\n\n pub fn format_as_string(self) -\u003e String {\n let mut output = String::new();\n for row in 0..32 {\n for column in 0..64 {\n let data_offset = row * 64 + column;\n debug!(\"Rendering {data_offset} with value {}\", self.memory[data_offset]);\n if self.memory[data_offset] {\n output += \"*\"\n } else {\n output += \" \"\n }\n }\n output += \"\\n\";\n }\n\n output\n }\n}\n\nimpl Default for Chip8Video {\n fn default() -\u003e Self {\n Self { memory: [false; CHIP8_VIDEO_MEMORY as usize], has_frame_changed: false }\n }\n}\n\n#[cfg(test)]\nmod test {\n use std::fs::File;\n use std::io::Read;\n use crate::chip8::system_memory::{CHIP8FONT_0, CHIP8FONT_1, CHIP8FONT_2, CHIP8FONT_3, CHIP8FONT_4, CHIP8FONT_5, CHIP8FONT_6, CHIP8FONT_7};\n use crate::constants::{CHIP8_VIDEO_HEIGHT, CHIP8_VIDEO_WIDTH};\n use super::*;\n\n #[test]\n fn smoke() { assert!(true) }\n\n #[test]\n fn default_test() {\n let mut x = Chip8Video::default();\n\n for i in 0..CHIP8_VIDEO_MEMORY {\n assert!(!x.peek(i as u16));\n // then flip the value and test again.\n \u0026x.poke(i as u16, true);\n assert!(x.peek(i as u16));\n }\n }\n\n #[test]\n fn string_test_1() {\n let mut x = Chip8Video::default();\n let mut working_string = String::new();\n for i in 0..32 {\n working_string += \u0026*(\" \".repeat(64) + \"\\n\");\n }\n\n assert_eq!(working_string, x.format_as_string());\n\n let mut working_string = String::new();\n // set a checkerboard...\n for cb_row in 0..32 {\n for cb_col in 0..64 {\n let data_offset = cb_row * 64 + cb_col;\n if data_offset % 2 == 0 {\n x.poke(data_offset, true);\n working_string += \"*\";\n } else {\n x.poke(data_offset, false);\n working_string += \" \";\n }\n }\n working_string += \"\\n\";\n }\n\n assert_eq!(working_string, x.format_as_string());\n }\n\n #[test]\n fn set_initial_memory() {\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]\n fn poke_byte() {\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]\n fn cls() {\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 initial_memory[dof] = true;\n }\n ws += \" \";\n }\n ws += \"\\n\";\n }\n let mut set_x = Chip8Video::new(initial_memory);\n set_x.cls();\n assert_eq!(set_x.format_as_string(), ws);\n }\n\n #[test]\n fn poke_byte_test() {\n let to_poke = 0b10101010;\n let mut v = Chip8Video::default();\n v.poke_byte(0x00, to_poke);\n assert!(v.peek(0x00));\n assert!(v.peek(0x02));\n assert!(v.peek(0x04));\n assert!(v.peek(0x06));\n assert!(!v.peek(0x01));\n assert!(!v.peek(0x03));\n assert!(!v.peek(0x05));\n assert!(!v.peek(0x07));\n for i in 0x8..CHIP8_VIDEO_MEMORY {\n assert!(!v.peek(i as u16));\n }\n }\n\n #[test]\n fn poke_multi_line_test() {\n let mut v = Chip8Video::default();\n let to_poke = [\n 0b00000000,\n 0b11111111,\n 0b10101010,\n 0b01010101\n ];\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.peek(0x40));\n assert!(v.peek(0x41));\n assert!(v.peek(0x42));\n assert!(v.peek(0x43));\n assert!(v.peek(0x44));\n assert!(v.peek(0x45));\n assert!(v.peek(0x46));\n assert!(v.peek(0x47));\n\n // row 3 column 1\n assert!(!v.peek(0xC0));\n assert!(v.peek(0xC1));\n assert!(!v.peek(0xC2));\n assert!(v.peek(0xC3));\n assert!(!v.peek(0xC4));\n assert!(v.peek(0xC5));\n assert!(!v.peek(0xC6));\n assert!(v.peek(0xC7));\n }\n }\n\n #[test]\n fn moved_poke_test() {\n let mut v = Chip8Video::default();\n let to_poke = [\n 0b00000000,\n 0b11111111,\n 0b10101010,\n 0b01010101\n ];\n\n let x_offset = 20;\n let y_offset = 5;\n\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.peek(test_offset));\n assert!(!v.peek(test_offset + 1));\n assert!(!v.peek(test_offset + 2));\n assert!(!v.peek(test_offset + 3));\n assert!(!v.peek(test_offset + 4));\n assert!(!v.peek(test_offset + 5));\n assert!(!v.peek(test_offset + 6));\n assert!(!v.peek(test_offset + 7));\n\n let test_offset= test_offset + 0x40;\n assert!(v.peek(test_offset));\n assert!(v.peek(test_offset + 1));\n assert!(v.peek(test_offset + 2));\n assert!(v.peek(test_offset + 3));\n assert!(v.peek(test_offset + 4));\n assert!(v.peek(test_offset + 5));\n assert!(v.peek(test_offset + 6));\n assert!(v.peek(test_offset + 7));\n }\n\n #[test]\n fn poke_sprite_test() {\n let mut v = Chip8Video::default();\n let to_poke = [\n 0b00000000,\n 0b11111111,\n 0b10101010,\n 0b01010101\n ];\n\n v.poke_sprite(0x00, to_poke.into());\n\n assert!(v.peek(0x40));\n assert!(v.peek(0x41));\n assert!(v.peek(0x42));\n assert!(v.peek(0x43));\n assert!(v.peek(0x44));\n assert!(v.peek(0x45));\n assert!(v.peek(0x46));\n assert!(v.peek(0x47));\n\n // row 3 column 1\n assert!(!v.peek(0xC0));\n assert!(v.peek(0xC1));\n assert!(!v.peek(0xC2));\n assert!(v.peek(0xC3));\n assert!(!v.peek(0xC4));\n assert!(v.peek(0xC5));\n assert!(!v.peek(0xC6));\n assert!(v.peek(0xC7));\n }\n\n #[test]\n fn verify_change_registered() {\n let mut v = Chip8Video::default();\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]\n fn write_checkboard() {\n let mut v = Chip8Video::default();\n for current_row in 0..CHIP8_VIDEO_WIDTH {\n for current_col in 0..(CHIP8_VIDEO_HEIGHT / 8){\n let offset = current_row * CHIP8_VIDEO_HEIGHT + current_col;\n println!(\"CHECKBOARD OFFSET = {offset}\");\n v.poke(offset as u16, offset % 2 == 0);\n }\n }\n println!(\"{}\", v.format_as_string());\n println!(\"fsck is a cool tool\");\n }\n\n #[test]\n fn zero_test() {\n let mut x = Chip8Video::default();\n\n x.poke_byte(0x00, CHIP8FONT_0[0]);\n x.poke_byte(0x40, CHIP8FONT_0[1]);\n x.poke_byte(0x80, CHIP8FONT_0[2]);\n x.poke_byte(0xC0, CHIP8FONT_0[3]);\n x.poke_byte(0x100, CHIP8FONT_0[4]);\n\n assert_eq!(std::fs::read_to_string(\"../resources/test/test_video_zero.asc\")\n .unwrap(),\n x.format_as_string());\n }\n\n #[test]\n fn multi_sprite_test() {\n let mut x = Chip8Video::default();\n // draw a row of digits 01234567\n\n let start_offset = 0x00;\n let per_row_skip = 0x40;\n let to_draw = [CHIP8FONT_0, CHIP8FONT_1, CHIP8FONT_2, CHIP8FONT_3, CHIP8FONT_4, CHIP8FONT_5, CHIP8FONT_6, CHIP8FONT_7];\n for (index, sprite) in to_draw.iter().enumerate() {\n let data_base_offset = index * 0x8;\n println!(\"STARTING {index} at 0x{data_base_offset:04x} ({data_base_offset})\");\n x.poke_byte(data_base_offset as u16, sprite[0]);\n x.poke_byte((data_base_offset + 0x40) as u16, sprite[1]);\n x.poke_byte((data_base_offset + 0x80) as u16, sprite[2]);\n x.poke_byte((data_base_offset + 0xC0) as u16, sprite[3]);\n x.poke_byte((data_base_offset + 0x100) as u16, sprite[4]);\n }\n\n\n assert_eq!(std::fs::read_to_string(\"../resources/test/test_multi_sprite.asc\")\n .unwrap(),\n x.format_as_string()); 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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","traces":[],"covered":0,"coverable":0},{"path":["/","home","tmerritt","Projects","chip8_toy","emma","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}\n\npub mod constants;","traces":[],"covered":0,"coverable":0}]};
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|
a.memoizedState||(b.effectTag|=256),b.memoizedProps=d,b.memoizedState=p),g.props=d,g.state=p,g.context=n,d=l):("function"!==typeof g.componentDidUpdate||h===a.memoizedProps&&m===a.memoizedState||(b.effectTag|=4),"function"!==typeof g.getSnapshotBeforeUpdate||h===a.memoizedProps&&m===a.memoizedState||(b.effectTag|=256),d=!1);return Ie(a,b,c,d,f,e)}function Ie(a,b,c,d,e,f){qh(a,b);var g=0!==(b.effectTag&64);if(!d&&!g)return e&&Hg(b,c,!1),sa(a,b,f);d=b.stateNode;gj.current=b;var h=g&&"function"!==typeof c.getDerivedStateFromError?
|
|
null:d.render();b.effectTag|=1;null!==a&&g?(b.child=wb(b,a.child,null,f),b.child=wb(b,null,h,f)):T(a,b,h,f);b.memoizedState=d.state;e&&Hg(b,c,!0);return b.child}function sh(a){var b=a.stateNode;b.pendingContext?Fg(a,b.pendingContext,b.pendingContext!==b.context):b.context&&Fg(a,b.context,!1);se(a,b.containerInfo)}function th(a,b,c){var d=b.mode,e=b.pendingProps,f=D.current,g=!1,h;(h=0!==(b.effectTag&64))||(h=0!==(f&2)&&(null===a||null!==a.memoizedState));h?(g=!0,b.effectTag&=-65):null!==a&&null===
|
|
a.memoizedState||void 0===e.fallback||!0===e.unstable_avoidThisFallback||(f|=1);y(D,f&1);if(null===a){void 0!==e.fallback&&De(b);if(g){g=e.fallback;e=Ha(null,d,0,null);e.return=b;if(0===(b.mode&2))for(a=null!==b.memoizedState?b.child.child:b.child,e.child=a;null!==a;)a.return=e,a=a.sibling;c=Ha(g,d,c,null);c.return=b;e.sibling=c;b.memoizedState=Je;b.child=e;return c}d=e.children;b.memoizedState=null;return b.child=Fe(b,null,d,c)}if(null!==a.memoizedState){a=a.child;d=a.sibling;if(g){e=e.fallback;
|
|
c=Sa(a,a.pendingProps);c.return=b;if(0===(b.mode&2)&&(g=null!==b.memoizedState?b.child.child:b.child,g!==a.child))for(c.child=g;null!==g;)g.return=c,g=g.sibling;d=Sa(d,e);d.return=b;c.sibling=d;c.childExpirationTime=0;b.memoizedState=Je;b.child=c;return d}c=wb(b,a.child,e.children,c);b.memoizedState=null;return b.child=c}a=a.child;if(g){g=e.fallback;e=Ha(null,d,0,null);e.return=b;e.child=a;null!==a&&(a.return=e);if(0===(b.mode&2))for(a=null!==b.memoizedState?b.child.child:b.child,e.child=a;null!==
|
|
a;)a.return=e,a=a.sibling;c=Ha(g,d,c,null);c.return=b;e.sibling=c;c.effectTag|=2;e.childExpirationTime=0;b.memoizedState=Je;b.child=e;return c}b.memoizedState=null;return b.child=wb(b,a,e.children,c)}function uh(a,b){a.expirationTime<b&&(a.expirationTime=b);var c=a.alternate;null!==c&&c.expirationTime<b&&(c.expirationTime=b);Sg(a.return,b)}function Ke(a,b,c,d,e,f){var g=a.memoizedState;null===g?a.memoizedState={isBackwards:b,rendering:null,renderingStartTime:0,last:d,tail:c,tailExpiration:0,tailMode:e,
|
|
lastEffect:f}:(g.isBackwards=b,g.rendering=null,g.renderingStartTime=0,g.last=d,g.tail=c,g.tailExpiration=0,g.tailMode=e,g.lastEffect=f)}function vh(a,b,c){var d=b.pendingProps,e=d.revealOrder,f=d.tail;T(a,b,d.children,c);d=D.current;if(0!==(d&2))d=d&1|2,b.effectTag|=64;else{if(null!==a&&0!==(a.effectTag&64))a:for(a=b.child;null!==a;){if(13===a.tag)null!==a.memoizedState&&uh(a,c);else if(19===a.tag)uh(a,c);else if(null!==a.child){a.child.return=a;a=a.child;continue}if(a===b)break a;for(;null===a.sibling;){if(null===
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a.return||a.return===b)break a;a=a.return}a.sibling.return=a.return;a=a.sibling}d&=1}y(D,d);if(0===(b.mode&2))b.memoizedState=null;else switch(e){case "forwards":c=b.child;for(e=null;null!==c;)a=c.alternate,null!==a&&null===Rc(a)&&(e=c),c=c.sibling;c=e;null===c?(e=b.child,b.child=null):(e=c.sibling,c.sibling=null);Ke(b,!1,e,c,f,b.lastEffect);break;case "backwards":c=null;e=b.child;for(b.child=null;null!==e;){a=e.alternate;if(null!==a&&null===Rc(a)){b.child=e;break}a=e.sibling;e.sibling=c;c=e;e=a}Ke(b,
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|
!0,c,null,f,b.lastEffect);break;case "together":Ke(b,!1,null,null,void 0,b.lastEffect);break;default:b.memoizedState=null}return b.child}function sa(a,b,c){null!==a&&(b.dependencies=a.dependencies);var d=b.expirationTime;0!==d&&Kc(d);if(b.childExpirationTime<c)return null;if(null!==a&&b.child!==a.child)throw Error(k(153));if(null!==b.child){a=b.child;c=Sa(a,a.pendingProps);b.child=c;for(c.return=b;null!==a.sibling;)a=a.sibling,c=c.sibling=Sa(a,a.pendingProps),c.return=b;c.sibling=null}return b.child}
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|
function $c(a,b){switch(a.tailMode){case "hidden":b=a.tail;for(var c=null;null!==b;)null!==b.alternate&&(c=b),b=b.sibling;null===c?a.tail=null:c.sibling=null;break;case "collapsed":c=a.tail;for(var d=null;null!==c;)null!==c.alternate&&(d=c),c=c.sibling;null===d?b||null===a.tail?a.tail=null:a.tail.sibling=null:d.sibling=null}}function hj(a,b,c){var d=b.pendingProps;switch(b.tag){case 2:case 16:case 15:case 0:case 11:case 7:case 8:case 12:case 9:case 14:return null;case 1:return N(b.type)&&(q(G),q(B)),
|
|
null;case 3:return tb(),q(G),q(B),c=b.stateNode,c.pendingContext&&(c.context=c.pendingContext,c.pendingContext=null),null!==a&&null!==a.child||!Zc(b)||(b.effectTag|=4),wh(b),null;case 5:te(b);c=Ta(Tb.current);var e=b.type;if(null!==a&&null!=b.stateNode)ij(a,b,e,d,c),a.ref!==b.ref&&(b.effectTag|=128);else{if(!d){if(null===b.stateNode)throw Error(k(166));return null}a=Ta(ja.current);if(Zc(b)){d=b.stateNode;e=b.type;var f=b.memoizedProps;d[Aa]=b;d[vc]=f;switch(e){case "iframe":case "object":case "embed":w("load",
|
|
d);break;case "video":case "audio":for(a=0;a<Db.length;a++)w(Db[a],d);break;case "source":w("error",d);break;case "img":case "image":case "link":w("error",d);w("load",d);break;case "form":w("reset",d);w("submit",d);break;case "details":w("toggle",d);break;case "input":Hf(d,f);w("invalid",d);oa(c,"onChange");break;case "select":d._wrapperState={wasMultiple:!!f.multiple};w("invalid",d);oa(c,"onChange");break;case "textarea":Kf(d,f),w("invalid",d),oa(c,"onChange")}Ud(e,f);a=null;for(var g in f)if(f.hasOwnProperty(g)){var h=
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|
f[g];"children"===g?"string"===typeof h?d.textContent!==h&&(a=["children",h]):"number"===typeof h&&d.textContent!==""+h&&(a=["children",""+h]):db.hasOwnProperty(g)&&null!=h&&oa(c,g)}switch(e){case "input":mc(d);Jf(d,f,!0);break;case "textarea":mc(d);Mf(d);break;case "select":case "option":break;default:"function"===typeof f.onClick&&(d.onclick=uc)}c=a;b.updateQueue=c;null!==c&&(b.effectTag|=4)}else{g=9===c.nodeType?c:c.ownerDocument;"http://www.w3.org/1999/xhtml"===a&&(a=Nf(e));"http://www.w3.org/1999/xhtml"===
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|
a?"script"===e?(a=g.createElement("div"),a.innerHTML="<script>\x3c/script>",a=a.removeChild(a.firstChild)):"string"===typeof d.is?a=g.createElement(e,{is:d.is}):(a=g.createElement(e),"select"===e&&(g=a,d.multiple?g.multiple=!0:d.size&&(g.size=d.size))):a=g.createElementNS(a,e);a[Aa]=b;a[vc]=d;jj(a,b,!1,!1);b.stateNode=a;g=Vd(e,d);switch(e){case "iframe":case "object":case "embed":w("load",a);h=d;break;case "video":case "audio":for(h=0;h<Db.length;h++)w(Db[h],a);h=d;break;case "source":w("error",a);
|
|
h=d;break;case "img":case "image":case "link":w("error",a);w("load",a);h=d;break;case "form":w("reset",a);w("submit",a);h=d;break;case "details":w("toggle",a);h=d;break;case "input":Hf(a,d);h=Cd(a,d);w("invalid",a);oa(c,"onChange");break;case "option":h=Fd(a,d);break;case "select":a._wrapperState={wasMultiple:!!d.multiple};h=M({},d,{value:void 0});w("invalid",a);oa(c,"onChange");break;case "textarea":Kf(a,d);h=Gd(a,d);w("invalid",a);oa(c,"onChange");break;default:h=d}Ud(e,h);var m=h;for(f in m)if(m.hasOwnProperty(f)){var n=
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|
m[f];"style"===f?gg(a,n):"dangerouslySetInnerHTML"===f?(n=n?n.__html:void 0,null!=n&&xh(a,n)):"children"===f?"string"===typeof n?("textarea"!==e||""!==n)&&Wb(a,n):"number"===typeof n&&Wb(a,""+n):"suppressContentEditableWarning"!==f&&"suppressHydrationWarning"!==f&&"autoFocus"!==f&&(db.hasOwnProperty(f)?null!=n&&oa(c,f):null!=n&&xd(a,f,n,g))}switch(e){case "input":mc(a);Jf(a,d,!1);break;case "textarea":mc(a);Mf(a);break;case "option":null!=d.value&&a.setAttribute("value",""+va(d.value));break;case "select":a.multiple=
|
|
!!d.multiple;c=d.value;null!=c?hb(a,!!d.multiple,c,!1):null!=d.defaultValue&&hb(a,!!d.multiple,d.defaultValue,!0);break;default:"function"===typeof h.onClick&&(a.onclick=uc)}lg(e,d)&&(b.effectTag|=4)}null!==b.ref&&(b.effectTag|=128)}return null;case 6:if(a&&null!=b.stateNode)kj(a,b,a.memoizedProps,d);else{if("string"!==typeof d&&null===b.stateNode)throw Error(k(166));c=Ta(Tb.current);Ta(ja.current);Zc(b)?(c=b.stateNode,d=b.memoizedProps,c[Aa]=b,c.nodeValue!==d&&(b.effectTag|=4)):(c=(9===c.nodeType?
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|
c:c.ownerDocument).createTextNode(d),c[Aa]=b,b.stateNode=c)}return null;case 13:q(D);d=b.memoizedState;if(0!==(b.effectTag&64))return b.expirationTime=c,b;c=null!==d;d=!1;null===a?void 0!==b.memoizedProps.fallback&&Zc(b):(e=a.memoizedState,d=null!==e,c||null===e||(e=a.child.sibling,null!==e&&(f=b.firstEffect,null!==f?(b.firstEffect=e,e.nextEffect=f):(b.firstEffect=b.lastEffect=e,e.nextEffect=null),e.effectTag=8)));if(c&&!d&&0!==(b.mode&2))if(null===a&&!0!==b.memoizedProps.unstable_avoidThisFallback||
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|
0!==(D.current&1))F===Xa&&(F=ad);else{if(F===Xa||F===ad)F=bd;0!==Xb&&null!==U&&(Ya(U,P),yh(U,Xb))}if(c||d)b.effectTag|=4;return null;case 4:return tb(),wh(b),null;case 10:return me(b),null;case 17:return N(b.type)&&(q(G),q(B)),null;case 19:q(D);d=b.memoizedState;if(null===d)return null;e=0!==(b.effectTag&64);f=d.rendering;if(null===f)if(e)$c(d,!1);else{if(F!==Xa||null!==a&&0!==(a.effectTag&64))for(f=b.child;null!==f;){a=Rc(f);if(null!==a){b.effectTag|=64;$c(d,!1);e=a.updateQueue;null!==e&&(b.updateQueue=
|
|
e,b.effectTag|=4);null===d.lastEffect&&(b.firstEffect=null);b.lastEffect=d.lastEffect;for(d=b.child;null!==d;)e=d,f=c,e.effectTag&=2,e.nextEffect=null,e.firstEffect=null,e.lastEffect=null,a=e.alternate,null===a?(e.childExpirationTime=0,e.expirationTime=f,e.child=null,e.memoizedProps=null,e.memoizedState=null,e.updateQueue=null,e.dependencies=null):(e.childExpirationTime=a.childExpirationTime,e.expirationTime=a.expirationTime,e.child=a.child,e.memoizedProps=a.memoizedProps,e.memoizedState=a.memoizedState,
|
|
e.updateQueue=a.updateQueue,f=a.dependencies,e.dependencies=null===f?null:{expirationTime:f.expirationTime,firstContext:f.firstContext,responders:f.responders}),d=d.sibling;y(D,D.current&1|2);return b.child}f=f.sibling}}else{if(!e)if(a=Rc(f),null!==a){if(b.effectTag|=64,e=!0,c=a.updateQueue,null!==c&&(b.updateQueue=c,b.effectTag|=4),$c(d,!0),null===d.tail&&"hidden"===d.tailMode&&!f.alternate)return b=b.lastEffect=d.lastEffect,null!==b&&(b.nextEffect=null),null}else 2*Y()-d.renderingStartTime>d.tailExpiration&&
|
|
1<c&&(b.effectTag|=64,e=!0,$c(d,!1),b.expirationTime=b.childExpirationTime=c-1);d.isBackwards?(f.sibling=b.child,b.child=f):(c=d.last,null!==c?c.sibling=f:b.child=f,d.last=f)}return null!==d.tail?(0===d.tailExpiration&&(d.tailExpiration=Y()+500),c=d.tail,d.rendering=c,d.tail=c.sibling,d.lastEffect=b.lastEffect,d.renderingStartTime=Y(),c.sibling=null,b=D.current,y(D,e?b&1|2:b&1),c):null}throw Error(k(156,b.tag));}function lj(a,b){switch(a.tag){case 1:return N(a.type)&&(q(G),q(B)),b=a.effectTag,b&4096?
|
|
(a.effectTag=b&-4097|64,a):null;case 3:tb();q(G);q(B);b=a.effectTag;if(0!==(b&64))throw Error(k(285));a.effectTag=b&-4097|64;return a;case 5:return te(a),null;case 13:return q(D),b=a.effectTag,b&4096?(a.effectTag=b&-4097|64,a):null;case 19:return q(D),null;case 4:return tb(),null;case 10:return me(a),null;default:return null}}function Le(a,b){return{value:a,source:b,stack:Bd(b)}}function Me(a,b){var c=b.source,d=b.stack;null===d&&null!==c&&(d=Bd(c));null!==c&&na(c.type);b=b.value;null!==a&&1===a.tag&&
|
|
na(a.type);try{console.error(b)}catch(e){setTimeout(function(){throw e;})}}function mj(a,b){try{b.props=a.memoizedProps,b.state=a.memoizedState,b.componentWillUnmount()}catch(c){Za(a,c)}}function zh(a){var b=a.ref;if(null!==b)if("function"===typeof b)try{b(null)}catch(c){Za(a,c)}else b.current=null}function nj(a,b){switch(b.tag){case 0:case 11:case 15:case 22:return;case 1:if(b.effectTag&256&&null!==a){var c=a.memoizedProps,d=a.memoizedState;a=b.stateNode;b=a.getSnapshotBeforeUpdate(b.elementType===
|
|
b.type?c:aa(b.type,c),d);a.__reactInternalSnapshotBeforeUpdate=b}return;case 3:case 5:case 6:case 4:case 17:return}throw Error(k(163));}function Ah(a,b){b=b.updateQueue;b=null!==b?b.lastEffect:null;if(null!==b){var c=b=b.next;do{if((c.tag&a)===a){var d=c.destroy;c.destroy=void 0;void 0!==d&&d()}c=c.next}while(c!==b)}}function Bh(a,b){b=b.updateQueue;b=null!==b?b.lastEffect:null;if(null!==b){var c=b=b.next;do{if((c.tag&a)===a){var d=c.create;c.destroy=d()}c=c.next}while(c!==b)}}function oj(a,b,c,d){switch(c.tag){case 0:case 11:case 15:case 22:Bh(3,
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|
c);return;case 1:a=c.stateNode;c.effectTag&4&&(null===b?a.componentDidMount():(d=c.elementType===c.type?b.memoizedProps:aa(c.type,b.memoizedProps),a.componentDidUpdate(d,b.memoizedState,a.__reactInternalSnapshotBeforeUpdate)));b=c.updateQueue;null!==b&&Wg(c,b,a);return;case 3:b=c.updateQueue;if(null!==b){a=null;if(null!==c.child)switch(c.child.tag){case 5:a=c.child.stateNode;break;case 1:a=c.child.stateNode}Wg(c,b,a)}return;case 5:a=c.stateNode;null===b&&c.effectTag&4&&lg(c.type,c.memoizedProps)&&
|
|
a.focus();return;case 6:return;case 4:return;case 12:return;case 13:null===c.memoizedState&&(c=c.alternate,null!==c&&(c=c.memoizedState,null!==c&&(c=c.dehydrated,null!==c&&bg(c))));return;case 19:case 17:case 20:case 21:return}throw Error(k(163));}function Ch(a,b,c){"function"===typeof Ne&&Ne(b);switch(b.tag){case 0:case 11:case 14:case 15:case 22:a=b.updateQueue;if(null!==a&&(a=a.lastEffect,null!==a)){var d=a.next;Da(97<c?97:c,function(){var a=d;do{var c=a.destroy;if(void 0!==c){var g=b;try{c()}catch(h){Za(g,
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|
h)}}a=a.next}while(a!==d)})}break;case 1:zh(b);c=b.stateNode;"function"===typeof c.componentWillUnmount&&mj(b,c);break;case 5:zh(b);break;case 4:Dh(a,b,c)}}function Eh(a){var b=a.alternate;a.return=null;a.child=null;a.memoizedState=null;a.updateQueue=null;a.dependencies=null;a.alternate=null;a.firstEffect=null;a.lastEffect=null;a.pendingProps=null;a.memoizedProps=null;a.stateNode=null;null!==b&&Eh(b)}function Fh(a){return 5===a.tag||3===a.tag||4===a.tag}function Gh(a){a:{for(var b=a.return;null!==
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|
b;){if(Fh(b)){var c=b;break a}b=b.return}throw Error(k(160));}b=c.stateNode;switch(c.tag){case 5:var d=!1;break;case 3:b=b.containerInfo;d=!0;break;case 4:b=b.containerInfo;d=!0;break;default:throw Error(k(161));}c.effectTag&16&&(Wb(b,""),c.effectTag&=-17);a:b:for(c=a;;){for(;null===c.sibling;){if(null===c.return||Fh(c.return)){c=null;break a}c=c.return}c.sibling.return=c.return;for(c=c.sibling;5!==c.tag&&6!==c.tag&&18!==c.tag;){if(c.effectTag&2)continue b;if(null===c.child||4===c.tag)continue b;
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|
else c.child.return=c,c=c.child}if(!(c.effectTag&2)){c=c.stateNode;break a}}d?Oe(a,c,b):Pe(a,c,b)}function Oe(a,b,c){var d=a.tag,e=5===d||6===d;if(e)a=e?a.stateNode:a.stateNode.instance,b?8===c.nodeType?c.parentNode.insertBefore(a,b):c.insertBefore(a,b):(8===c.nodeType?(b=c.parentNode,b.insertBefore(a,c)):(b=c,b.appendChild(a)),c=c._reactRootContainer,null!==c&&void 0!==c||null!==b.onclick||(b.onclick=uc));else if(4!==d&&(a=a.child,null!==a))for(Oe(a,b,c),a=a.sibling;null!==a;)Oe(a,b,c),a=a.sibling}
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|
function Pe(a,b,c){var d=a.tag,e=5===d||6===d;if(e)a=e?a.stateNode:a.stateNode.instance,b?c.insertBefore(a,b):c.appendChild(a);else if(4!==d&&(a=a.child,null!==a))for(Pe(a,b,c),a=a.sibling;null!==a;)Pe(a,b,c),a=a.sibling}function Dh(a,b,c){for(var d=b,e=!1,f,g;;){if(!e){e=d.return;a:for(;;){if(null===e)throw Error(k(160));f=e.stateNode;switch(e.tag){case 5:g=!1;break a;case 3:f=f.containerInfo;g=!0;break a;case 4:f=f.containerInfo;g=!0;break a}e=e.return}e=!0}if(5===d.tag||6===d.tag){a:for(var h=
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|
a,m=d,n=c,l=m;;)if(Ch(h,l,n),null!==l.child&&4!==l.tag)l.child.return=l,l=l.child;else{if(l===m)break a;for(;null===l.sibling;){if(null===l.return||l.return===m)break a;l=l.return}l.sibling.return=l.return;l=l.sibling}g?(h=f,m=d.stateNode,8===h.nodeType?h.parentNode.removeChild(m):h.removeChild(m)):f.removeChild(d.stateNode)}else if(4===d.tag){if(null!==d.child){f=d.stateNode.containerInfo;g=!0;d.child.return=d;d=d.child;continue}}else if(Ch(a,d,c),null!==d.child){d.child.return=d;d=d.child;continue}if(d===
|
|
b)break;for(;null===d.sibling;){if(null===d.return||d.return===b)return;d=d.return;4===d.tag&&(e=!1)}d.sibling.return=d.return;d=d.sibling}}function Qe(a,b){switch(b.tag){case 0:case 11:case 14:case 15:case 22:Ah(3,b);return;case 1:return;case 5:var c=b.stateNode;if(null!=c){var d=b.memoizedProps,e=null!==a?a.memoizedProps:d;a=b.type;var f=b.updateQueue;b.updateQueue=null;if(null!==f){c[vc]=d;"input"===a&&"radio"===d.type&&null!=d.name&&If(c,d);Vd(a,e);b=Vd(a,d);for(e=0;e<f.length;e+=2){var g=f[e],
|
|
h=f[e+1];"style"===g?gg(c,h):"dangerouslySetInnerHTML"===g?xh(c,h):"children"===g?Wb(c,h):xd(c,g,h,b)}switch(a){case "input":Dd(c,d);break;case "textarea":Lf(c,d);break;case "select":b=c._wrapperState.wasMultiple,c._wrapperState.wasMultiple=!!d.multiple,a=d.value,null!=a?hb(c,!!d.multiple,a,!1):b!==!!d.multiple&&(null!=d.defaultValue?hb(c,!!d.multiple,d.defaultValue,!0):hb(c,!!d.multiple,d.multiple?[]:"",!1))}}}return;case 6:if(null===b.stateNode)throw Error(k(162));b.stateNode.nodeValue=b.memoizedProps;
|
|
return;case 3:b=b.stateNode;b.hydrate&&(b.hydrate=!1,bg(b.containerInfo));return;case 12:return;case 13:c=b;null===b.memoizedState?d=!1:(d=!0,c=b.child,Re=Y());if(null!==c)a:for(a=c;;){if(5===a.tag)f=a.stateNode,d?(f=f.style,"function"===typeof f.setProperty?f.setProperty("display","none","important"):f.display="none"):(f=a.stateNode,e=a.memoizedProps.style,e=void 0!==e&&null!==e&&e.hasOwnProperty("display")?e.display:null,f.style.display=fg("display",e));else if(6===a.tag)a.stateNode.nodeValue=d?
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"":a.memoizedProps;else if(13===a.tag&&null!==a.memoizedState&&null===a.memoizedState.dehydrated){f=a.child.sibling;f.return=a;a=f;continue}else if(null!==a.child){a.child.return=a;a=a.child;continue}if(a===c)break;for(;null===a.sibling;){if(null===a.return||a.return===c)break a;a=a.return}a.sibling.return=a.return;a=a.sibling}Hh(b);return;case 19:Hh(b);return;case 17:return}throw Error(k(163));}function Hh(a){var b=a.updateQueue;if(null!==b){a.updateQueue=null;var c=a.stateNode;null===c&&(c=a.stateNode=
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new pj);b.forEach(function(b){var d=qj.bind(null,a,b);c.has(b)||(c.add(b),b.then(d,d))})}}function Ih(a,b,c){c=Ea(c,null);c.tag=3;c.payload={element:null};var d=b.value;c.callback=function(){cd||(cd=!0,Se=d);Me(a,b)};return c}function Jh(a,b,c){c=Ea(c,null);c.tag=3;var d=a.type.getDerivedStateFromError;if("function"===typeof d){var e=b.value;c.payload=function(){Me(a,b);return d(e)}}var f=a.stateNode;null!==f&&"function"===typeof f.componentDidCatch&&(c.callback=function(){"function"!==typeof d&&
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(null===La?La=new Set([this]):La.add(this),Me(a,b));var c=b.stack;this.componentDidCatch(b.value,{componentStack:null!==c?c:""})});return c}function ka(){return(p&(ca|ma))!==H?1073741821-(Y()/10|0):0!==dd?dd:dd=1073741821-(Y()/10|0)}function Va(a,b,c){b=b.mode;if(0===(b&2))return 1073741823;var d=Cc();if(0===(b&4))return 99===d?1073741823:1073741822;if((p&ca)!==H)return P;if(null!==c)a=Fc(a,c.timeoutMs|0||5E3,250);else switch(d){case 99:a=1073741823;break;case 98:a=Fc(a,150,100);break;case 97:case 96:a=
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Fc(a,5E3,250);break;case 95:a=2;break;default:throw Error(k(326));}null!==U&&a===P&&--a;return a}function ed(a,b){a.expirationTime<b&&(a.expirationTime=b);var c=a.alternate;null!==c&&c.expirationTime<b&&(c.expirationTime=b);var d=a.return,e=null;if(null===d&&3===a.tag)e=a.stateNode;else for(;null!==d;){c=d.alternate;d.childExpirationTime<b&&(d.childExpirationTime=b);null!==c&&c.childExpirationTime<b&&(c.childExpirationTime=b);if(null===d.return&&3===d.tag){e=d.stateNode;break}d=d.return}null!==e&&
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(U===e&&(Kc(b),F===bd&&Ya(e,P)),yh(e,b));return e}function fd(a){var b=a.lastExpiredTime;if(0!==b)return b;b=a.firstPendingTime;if(!Kh(a,b))return b;var c=a.lastPingedTime;a=a.nextKnownPendingLevel;a=c>a?c:a;return 2>=a&&b!==a?0:a}function V(a){if(0!==a.lastExpiredTime)a.callbackExpirationTime=1073741823,a.callbackPriority=99,a.callbackNode=Og(Te.bind(null,a));else{var b=fd(a),c=a.callbackNode;if(0===b)null!==c&&(a.callbackNode=null,a.callbackExpirationTime=0,a.callbackPriority=90);else{var d=ka();
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1073741823===b?d=99:1===b||2===b?d=95:(d=10*(1073741821-b)-10*(1073741821-d),d=0>=d?99:250>=d?98:5250>=d?97:95);if(null!==c){var e=a.callbackPriority;if(a.callbackExpirationTime===b&&e>=d)return;c!==Qg&&Rg(c)}a.callbackExpirationTime=b;a.callbackPriority=d;b=1073741823===b?Og(Te.bind(null,a)):Ng(d,Lh.bind(null,a),{timeout:10*(1073741821-b)-Y()});a.callbackNode=b}}}function Lh(a,b){dd=0;if(b)return b=ka(),Ue(a,b),V(a),null;var c=fd(a);if(0!==c){b=a.callbackNode;if((p&(ca|ma))!==H)throw Error(k(327));
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xb();a===U&&c===P||$a(a,c);if(null!==t){var d=p;p|=ca;var e=Mh();do try{rj();break}catch(h){Nh(a,h)}while(1);le();p=d;gd.current=e;if(F===hd)throw b=id,$a(a,c),Ya(a,c),V(a),b;if(null===t)switch(e=a.finishedWork=a.current.alternate,a.finishedExpirationTime=c,d=F,U=null,d){case Xa:case hd:throw Error(k(345));case Oh:Ue(a,2<c?2:c);break;case ad:Ya(a,c);d=a.lastSuspendedTime;c===d&&(a.nextKnownPendingLevel=Ve(e));if(1073741823===ta&&(e=Re+Ph-Y(),10<e)){if(jd){var f=a.lastPingedTime;if(0===f||f>=c){a.lastPingedTime=
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c;$a(a,c);break}}f=fd(a);if(0!==f&&f!==c)break;if(0!==d&&d!==c){a.lastPingedTime=d;break}a.timeoutHandle=We(ab.bind(null,a),e);break}ab(a);break;case bd:Ya(a,c);d=a.lastSuspendedTime;c===d&&(a.nextKnownPendingLevel=Ve(e));if(jd&&(e=a.lastPingedTime,0===e||e>=c)){a.lastPingedTime=c;$a(a,c);break}e=fd(a);if(0!==e&&e!==c)break;if(0!==d&&d!==c){a.lastPingedTime=d;break}1073741823!==Yb?d=10*(1073741821-Yb)-Y():1073741823===ta?d=0:(d=10*(1073741821-ta)-5E3,e=Y(),c=10*(1073741821-c)-e,d=e-d,0>d&&(d=0),d=
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(120>d?120:480>d?480:1080>d?1080:1920>d?1920:3E3>d?3E3:4320>d?4320:1960*sj(d/1960))-d,c<d&&(d=c));if(10<d){a.timeoutHandle=We(ab.bind(null,a),d);break}ab(a);break;case Xe:if(1073741823!==ta&&null!==kd){f=ta;var g=kd;d=g.busyMinDurationMs|0;0>=d?d=0:(e=g.busyDelayMs|0,f=Y()-(10*(1073741821-f)-(g.timeoutMs|0||5E3)),d=f<=e?0:e+d-f);if(10<d){Ya(a,c);a.timeoutHandle=We(ab.bind(null,a),d);break}}ab(a);break;default:throw Error(k(329));}V(a);if(a.callbackNode===b)return Lh.bind(null,a)}}return null}function Te(a){var b=
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a.lastExpiredTime;b=0!==b?b:1073741823;if((p&(ca|ma))!==H)throw Error(k(327));xb();a===U&&b===P||$a(a,b);if(null!==t){var c=p;p|=ca;var d=Mh();do try{tj();break}catch(e){Nh(a,e)}while(1);le();p=c;gd.current=d;if(F===hd)throw c=id,$a(a,b),Ya(a,b),V(a),c;if(null!==t)throw Error(k(261));a.finishedWork=a.current.alternate;a.finishedExpirationTime=b;U=null;ab(a);V(a)}return null}function uj(){if(null!==bb){var a=bb;bb=null;a.forEach(function(a,c){Ue(c,a);V(c)});ha()}}function Qh(a,b){var c=p;p|=1;try{return a(b)}finally{p=
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c,p===H&&ha()}}function Rh(a,b){var c=p;p&=-2;p|=Ye;try{return a(b)}finally{p=c,p===H&&ha()}}function $a(a,b){a.finishedWork=null;a.finishedExpirationTime=0;var c=a.timeoutHandle;-1!==c&&(a.timeoutHandle=-1,vj(c));if(null!==t)for(c=t.return;null!==c;){var d=c;switch(d.tag){case 1:d=d.type.childContextTypes;null!==d&&void 0!==d&&(q(G),q(B));break;case 3:tb();q(G);q(B);break;case 5:te(d);break;case 4:tb();break;case 13:q(D);break;case 19:q(D);break;case 10:me(d)}c=c.return}U=a;t=Sa(a.current,null);
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P=b;F=Xa;id=null;Yb=ta=1073741823;kd=null;Xb=0;jd=!1}function Nh(a,b){do{try{le();Sc.current=Tc;if(Uc)for(var c=z.memoizedState;null!==c;){var d=c.queue;null!==d&&(d.pending=null);c=c.next}Ia=0;J=K=z=null;Uc=!1;if(null===t||null===t.return)return F=hd,id=b,t=null;a:{var e=a,f=t.return,g=t,h=b;b=P;g.effectTag|=2048;g.firstEffect=g.lastEffect=null;if(null!==h&&"object"===typeof h&&"function"===typeof h.then){var m=h;if(0===(g.mode&2)){var n=g.alternate;n?(g.updateQueue=n.updateQueue,g.memoizedState=
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n.memoizedState,g.expirationTime=n.expirationTime):(g.updateQueue=null,g.memoizedState=null)}var l=0!==(D.current&1),k=f;do{var p;if(p=13===k.tag){var q=k.memoizedState;if(null!==q)p=null!==q.dehydrated?!0:!1;else{var w=k.memoizedProps;p=void 0===w.fallback?!1:!0!==w.unstable_avoidThisFallback?!0:l?!1:!0}}if(p){var y=k.updateQueue;if(null===y){var r=new Set;r.add(m);k.updateQueue=r}else y.add(m);if(0===(k.mode&2)){k.effectTag|=64;g.effectTag&=-2981;if(1===g.tag)if(null===g.alternate)g.tag=17;else{var O=
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Ea(1073741823,null);O.tag=Jc;Fa(g,O)}g.expirationTime=1073741823;break a}h=void 0;g=b;var v=e.pingCache;null===v?(v=e.pingCache=new wj,h=new Set,v.set(m,h)):(h=v.get(m),void 0===h&&(h=new Set,v.set(m,h)));if(!h.has(g)){h.add(g);var x=xj.bind(null,e,m,g);m.then(x,x)}k.effectTag|=4096;k.expirationTime=b;break a}k=k.return}while(null!==k);h=Error((na(g.type)||"A React component")+" suspended while rendering, but no fallback UI was specified.\n\nAdd a <Suspense fallback=...> component higher in the tree to provide a loading indicator or placeholder to display."+
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Bd(g))}F!==Xe&&(F=Oh);h=Le(h,g);k=f;do{switch(k.tag){case 3:m=h;k.effectTag|=4096;k.expirationTime=b;var A=Ih(k,m,b);Ug(k,A);break a;case 1:m=h;var u=k.type,B=k.stateNode;if(0===(k.effectTag&64)&&("function"===typeof u.getDerivedStateFromError||null!==B&&"function"===typeof B.componentDidCatch&&(null===La||!La.has(B)))){k.effectTag|=4096;k.expirationTime=b;var H=Jh(k,m,b);Ug(k,H);break a}}k=k.return}while(null!==k)}t=Sh(t)}catch(cj){b=cj;continue}break}while(1)}function Mh(a){a=gd.current;gd.current=
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Tc;return null===a?Tc:a}function Vg(a,b){a<ta&&2<a&&(ta=a);null!==b&&a<Yb&&2<a&&(Yb=a,kd=b)}function Kc(a){a>Xb&&(Xb=a)}function tj(){for(;null!==t;)t=Th(t)}function rj(){for(;null!==t&&!yj();)t=Th(t)}function Th(a){var b=zj(a.alternate,a,P);a.memoizedProps=a.pendingProps;null===b&&(b=Sh(a));Uh.current=null;return b}function Sh(a){t=a;do{var b=t.alternate;a=t.return;if(0===(t.effectTag&2048)){b=hj(b,t,P);if(1===P||1!==t.childExpirationTime){for(var c=0,d=t.child;null!==d;){var e=d.expirationTime,
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f=d.childExpirationTime;e>c&&(c=e);f>c&&(c=f);d=d.sibling}t.childExpirationTime=c}if(null!==b)return b;null!==a&&0===(a.effectTag&2048)&&(null===a.firstEffect&&(a.firstEffect=t.firstEffect),null!==t.lastEffect&&(null!==a.lastEffect&&(a.lastEffect.nextEffect=t.firstEffect),a.lastEffect=t.lastEffect),1<t.effectTag&&(null!==a.lastEffect?a.lastEffect.nextEffect=t:a.firstEffect=t,a.lastEffect=t))}else{b=lj(t);if(null!==b)return b.effectTag&=2047,b;null!==a&&(a.firstEffect=a.lastEffect=null,a.effectTag|=
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2048)}b=t.sibling;if(null!==b)return b;t=a}while(null!==t);F===Xa&&(F=Xe);return null}function Ve(a){var b=a.expirationTime;a=a.childExpirationTime;return b>a?b:a}function ab(a){var b=Cc();Da(99,Aj.bind(null,a,b));return null}function Aj(a,b){do xb();while(null!==Zb);if((p&(ca|ma))!==H)throw Error(k(327));var c=a.finishedWork,d=a.finishedExpirationTime;if(null===c)return null;a.finishedWork=null;a.finishedExpirationTime=0;if(c===a.current)throw Error(k(177));a.callbackNode=null;a.callbackExpirationTime=
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0;a.callbackPriority=90;a.nextKnownPendingLevel=0;var e=Ve(c);a.firstPendingTime=e;d<=a.lastSuspendedTime?a.firstSuspendedTime=a.lastSuspendedTime=a.nextKnownPendingLevel=0:d<=a.firstSuspendedTime&&(a.firstSuspendedTime=d-1);d<=a.lastPingedTime&&(a.lastPingedTime=0);d<=a.lastExpiredTime&&(a.lastExpiredTime=0);a===U&&(t=U=null,P=0);1<c.effectTag?null!==c.lastEffect?(c.lastEffect.nextEffect=c,e=c.firstEffect):e=c:e=c.firstEffect;if(null!==e){var f=p;p|=ma;Uh.current=null;Ze=tc;var g=kg();if(Xd(g)){if("selectionStart"in
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g)var h={start:g.selectionStart,end:g.selectionEnd};else a:{h=(h=g.ownerDocument)&&h.defaultView||window;var m=h.getSelection&&h.getSelection();if(m&&0!==m.rangeCount){h=m.anchorNode;var n=m.anchorOffset,q=m.focusNode;m=m.focusOffset;try{h.nodeType,q.nodeType}catch(sb){h=null;break a}var ba=0,w=-1,y=-1,B=0,D=0,r=g,z=null;b:for(;;){for(var v;;){r!==h||0!==n&&3!==r.nodeType||(w=ba+n);r!==q||0!==m&&3!==r.nodeType||(y=ba+m);3===r.nodeType&&(ba+=r.nodeValue.length);if(null===(v=r.firstChild))break;z=r;
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r=v}for(;;){if(r===g)break b;z===h&&++B===n&&(w=ba);z===q&&++D===m&&(y=ba);if(null!==(v=r.nextSibling))break;r=z;z=r.parentNode}r=v}h=-1===w||-1===y?null:{start:w,end:y}}else h=null}h=h||{start:0,end:0}}else h=null;$e={activeElementDetached:null,focusedElem:g,selectionRange:h};tc=!1;l=e;do try{Bj()}catch(sb){if(null===l)throw Error(k(330));Za(l,sb);l=l.nextEffect}while(null!==l);l=e;do try{for(g=a,h=b;null!==l;){var x=l.effectTag;x&16&&Wb(l.stateNode,"");if(x&128){var A=l.alternate;if(null!==A){var u=
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A.ref;null!==u&&("function"===typeof u?u(null):u.current=null)}}switch(x&1038){case 2:Gh(l);l.effectTag&=-3;break;case 6:Gh(l);l.effectTag&=-3;Qe(l.alternate,l);break;case 1024:l.effectTag&=-1025;break;case 1028:l.effectTag&=-1025;Qe(l.alternate,l);break;case 4:Qe(l.alternate,l);break;case 8:n=l,Dh(g,n,h),Eh(n)}l=l.nextEffect}}catch(sb){if(null===l)throw Error(k(330));Za(l,sb);l=l.nextEffect}while(null!==l);u=$e;A=kg();x=u.focusedElem;h=u.selectionRange;if(A!==x&&x&&x.ownerDocument&&jg(x.ownerDocument.documentElement,
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x)){null!==h&&Xd(x)&&(A=h.start,u=h.end,void 0===u&&(u=A),"selectionStart"in x?(x.selectionStart=A,x.selectionEnd=Math.min(u,x.value.length)):(u=(A=x.ownerDocument||document)&&A.defaultView||window,u.getSelection&&(u=u.getSelection(),n=x.textContent.length,g=Math.min(h.start,n),h=void 0===h.end?g:Math.min(h.end,n),!u.extend&&g>h&&(n=h,h=g,g=n),n=ig(x,g),q=ig(x,h),n&&q&&(1!==u.rangeCount||u.anchorNode!==n.node||u.anchorOffset!==n.offset||u.focusNode!==q.node||u.focusOffset!==q.offset)&&(A=A.createRange(),
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A.setStart(n.node,n.offset),u.removeAllRanges(),g>h?(u.addRange(A),u.extend(q.node,q.offset)):(A.setEnd(q.node,q.offset),u.addRange(A))))));A=[];for(u=x;u=u.parentNode;)1===u.nodeType&&A.push({element:u,left:u.scrollLeft,top:u.scrollTop});"function"===typeof x.focus&&x.focus();for(x=0;x<A.length;x++)u=A[x],u.element.scrollLeft=u.left,u.element.scrollTop=u.top}tc=!!Ze;$e=Ze=null;a.current=c;l=e;do try{for(x=a;null!==l;){var F=l.effectTag;F&36&&oj(x,l.alternate,l);if(F&128){A=void 0;var E=l.ref;if(null!==
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E){var G=l.stateNode;switch(l.tag){case 5:A=G;break;default:A=G}"function"===typeof E?E(A):E.current=A}}l=l.nextEffect}}catch(sb){if(null===l)throw Error(k(330));Za(l,sb);l=l.nextEffect}while(null!==l);l=null;Cj();p=f}else a.current=c;if(ld)ld=!1,Zb=a,$b=b;else for(l=e;null!==l;)b=l.nextEffect,l.nextEffect=null,l=b;b=a.firstPendingTime;0===b&&(La=null);1073741823===b?a===af?ac++:(ac=0,af=a):ac=0;"function"===typeof bf&&bf(c.stateNode,d);V(a);if(cd)throw cd=!1,a=Se,Se=null,a;if((p&Ye)!==H)return null;
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|
ha();return null}function Bj(){for(;null!==l;){var a=l.effectTag;0!==(a&256)&&nj(l.alternate,l);0===(a&512)||ld||(ld=!0,Ng(97,function(){xb();return null}));l=l.nextEffect}}function xb(){if(90!==$b){var a=97<$b?97:$b;$b=90;return Da(a,Dj)}}function Dj(){if(null===Zb)return!1;var a=Zb;Zb=null;if((p&(ca|ma))!==H)throw Error(k(331));var b=p;p|=ma;for(a=a.current.firstEffect;null!==a;){try{var c=a;if(0!==(c.effectTag&512))switch(c.tag){case 0:case 11:case 15:case 22:Ah(5,c),Bh(5,c)}}catch(d){if(null===
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a)throw Error(k(330));Za(a,d)}c=a.nextEffect;a.nextEffect=null;a=c}p=b;ha();return!0}function Vh(a,b,c){b=Le(c,b);b=Ih(a,b,1073741823);Fa(a,b);a=ed(a,1073741823);null!==a&&V(a)}function Za(a,b){if(3===a.tag)Vh(a,a,b);else for(var c=a.return;null!==c;){if(3===c.tag){Vh(c,a,b);break}else if(1===c.tag){var d=c.stateNode;if("function"===typeof c.type.getDerivedStateFromError||"function"===typeof d.componentDidCatch&&(null===La||!La.has(d))){a=Le(b,a);a=Jh(c,a,1073741823);Fa(c,a);c=ed(c,1073741823);null!==
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c&&V(c);break}}c=c.return}}function xj(a,b,c){var d=a.pingCache;null!==d&&d.delete(b);U===a&&P===c?F===bd||F===ad&&1073741823===ta&&Y()-Re<Ph?$a(a,P):jd=!0:Kh(a,c)&&(b=a.lastPingedTime,0!==b&&b<c||(a.lastPingedTime=c,V(a)))}function qj(a,b){var c=a.stateNode;null!==c&&c.delete(b);b=0;0===b&&(b=ka(),b=Va(b,a,null));a=ed(a,b);null!==a&&V(a)}function Ej(a){if("undefined"===typeof __REACT_DEVTOOLS_GLOBAL_HOOK__)return!1;var b=__REACT_DEVTOOLS_GLOBAL_HOOK__;if(b.isDisabled||!b.supportsFiber)return!0;try{var c=
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b.inject(a);bf=function(a,e){try{b.onCommitFiberRoot(c,a,void 0,64===(a.current.effectTag&64))}catch(f){}};Ne=function(a){try{b.onCommitFiberUnmount(c,a)}catch(e){}}}catch(d){}return!0}function Fj(a,b,c,d){this.tag=a;this.key=c;this.sibling=this.child=this.return=this.stateNode=this.type=this.elementType=null;this.index=0;this.ref=null;this.pendingProps=b;this.dependencies=this.memoizedState=this.updateQueue=this.memoizedProps=null;this.mode=d;this.effectTag=0;this.lastEffect=this.firstEffect=this.nextEffect=
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null;this.childExpirationTime=this.expirationTime=0;this.alternate=null}function Ge(a){a=a.prototype;return!(!a||!a.isReactComponent)}function Gj(a){if("function"===typeof a)return Ge(a)?1:0;if(void 0!==a&&null!==a){a=a.$$typeof;if(a===zd)return 11;if(a===Ad)return 14}return 2}function Sa(a,b){var c=a.alternate;null===c?(c=la(a.tag,b,a.key,a.mode),c.elementType=a.elementType,c.type=a.type,c.stateNode=a.stateNode,c.alternate=a,a.alternate=c):(c.pendingProps=b,c.effectTag=0,c.nextEffect=null,c.firstEffect=
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var l=fc.mouseEnter;var k="mouse"}else if("pointerout"===a||"pointerover"===a)m=hi,n=fc.pointerLeave,l=fc.pointerEnter,k="pointer";a=null==g?f:Pa(g);f=null==b?f:Pa(b);n=m.getPooled(n,g,c,d);n.type=k+"leave";n.target=a;n.relatedTarget=f;c=m.getPooled(l,b,c,d);c.type=k+"enter";c.target=f;c.relatedTarget=a;d=g;k=b;if(d&&k)a:{m=d;l=k;g=0;for(a=m;a;a=pa(a))g++;a=0;for(b=l;b;b=pa(b))a++;for(;0<g-a;)m=pa(m),g--;for(;0<a-g;)l=pa(l),a--;for(;g--;){if(m===l||m===l.alternate)break a;m=pa(m);l=pa(l)}m=null}else m=
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null;l=m;for(m=[];d&&d!==l;){g=d.alternate;if(null!==g&&g===l)break;m.push(d);d=pa(d)}for(d=[];k&&k!==l;){g=k.alternate;if(null!==g&&g===l)break;d.push(k);k=pa(k)}for(k=0;k<m.length;k++)be(m[k],"bubbled",n);for(k=d.length;0<k--;)be(d[k],"captured",c);return 0===(e&64)?[n]:[n,c]}},Qa="function"===typeof Object.is?Object.is:Zi,$i=Object.prototype.hasOwnProperty,Zj=wa&&"documentMode"in document&&11>=document.documentMode,Eg={select:{phasedRegistrationNames:{bubbled:"onSelect",captured:"onSelectCapture"},
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dependencies:"blur contextmenu dragend focus keydown keyup mousedown mouseup selectionchange".split(" ")}},nb=null,he=null,Pb=null,ge=!1,ak={eventTypes:Eg,extractEvents:function(a,b,c,d,e,f){e=f||(d.window===d?d.document:9===d.nodeType?d:d.ownerDocument);if(!(f=!e)){a:{e=Jd(e);f=rd.onSelect;for(var g=0;g<f.length;g++)if(!e.has(f[g])){e=!1;break a}e=!0}f=!e}if(f)return null;e=b?Pa(b):window;switch(a){case "focus":if(yg(e)||"true"===e.contentEditable)nb=e,he=b,Pb=null;break;case "blur":Pb=he=nb=null;
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break;case "mousedown":ge=!0;break;case "contextmenu":case "mouseup":case "dragend":return ge=!1,Dg(c,d);case "selectionchange":if(Zj)break;case "keydown":case "keyup":return Dg(c,d)}return null}},bk=R.extend({animationName:null,elapsedTime:null,pseudoElement:null}),ck=R.extend({clipboardData:function(a){return"clipboardData"in a?a.clipboardData:window.clipboardData}}),dk=dc.extend({relatedTarget:null}),ek={Esc:"Escape",Spacebar:" ",Left:"ArrowLeft",Up:"ArrowUp",Right:"ArrowRight",Down:"ArrowDown",
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|
Del:"Delete",Win:"OS",Menu:"ContextMenu",Apps:"ContextMenu",Scroll:"ScrollLock",MozPrintableKey:"Unidentified"},fk={8:"Backspace",9:"Tab",12:"Clear",13:"Enter",16:"Shift",17:"Control",18:"Alt",19:"Pause",20:"CapsLock",27:"Escape",32:" ",33:"PageUp",34:"PageDown",35:"End",36:"Home",37:"ArrowLeft",38:"ArrowUp",39:"ArrowRight",40:"ArrowDown",45:"Insert",46:"Delete",112:"F1",113:"F2",114:"F3",115:"F4",116:"F5",117:"F6",118:"F7",119:"F8",120:"F9",121:"F10",122:"F11",123:"F12",144:"NumLock",145:"ScrollLock",
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224:"Meta"},gk=dc.extend({key:function(a){if(a.key){var b=ek[a.key]||a.key;if("Unidentified"!==b)return b}return"keypress"===a.type?(a=Ac(a),13===a?"Enter":String.fromCharCode(a)):"keydown"===a.type||"keyup"===a.type?fk[a.keyCode]||"Unidentified":""},location:null,ctrlKey:null,shiftKey:null,altKey:null,metaKey:null,repeat:null,locale:null,getModifierState:fe,charCode:function(a){return"keypress"===a.type?Ac(a):0},keyCode:function(a){return"keydown"===a.type||"keyup"===a.type?a.keyCode:0},which:function(a){return"keypress"===
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a.type?Ac(a):"keydown"===a.type||"keyup"===a.type?a.keyCode:0}}),hk=ec.extend({dataTransfer:null}),ik=dc.extend({touches:null,targetTouches:null,changedTouches:null,altKey:null,metaKey:null,ctrlKey:null,shiftKey:null,getModifierState:fe}),jk=R.extend({propertyName:null,elapsedTime:null,pseudoElement:null}),kk=ec.extend({deltaX:function(a){return"deltaX"in a?a.deltaX:"wheelDeltaX"in a?-a.wheelDeltaX:0},deltaY:function(a){return"deltaY"in a?a.deltaY:"wheelDeltaY"in a?-a.wheelDeltaY:"wheelDelta"in a?
|
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-a.wheelDelta:0},deltaZ:null,deltaMode:null}),lk={eventTypes:dg,extractEvents:function(a,b,c,d,e){e=cg.get(a);if(!e)return null;switch(a){case "keypress":if(0===Ac(c))return null;case "keydown":case "keyup":a=gk;break;case "blur":case "focus":a=dk;break;case "click":if(2===c.button)return null;case "auxclick":case "dblclick":case "mousedown":case "mousemove":case "mouseup":case "mouseout":case "mouseover":case "contextmenu":a=ec;break;case "drag":case "dragend":case "dragenter":case "dragexit":case "dragleave":case "dragover":case "dragstart":case "drop":a=
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hk;break;case "touchcancel":case "touchend":case "touchmove":case "touchstart":a=ik;break;case $h:case ai:case bi:a=bk;break;case ci:a=jk;break;case "scroll":a=dc;break;case "wheel":a=kk;break;case "copy":case "cut":case "paste":a=ck;break;case "gotpointercapture":case "lostpointercapture":case "pointercancel":case "pointerdown":case "pointermove":case "pointerout":case "pointerover":case "pointerup":a=hi;break;default:a=R}b=a.getPooled(e,b,c,d);lb(b);return b}};(function(a){if(ic)throw Error(k(101));
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ic=Array.prototype.slice.call(a);nf()})("ResponderEventPlugin SimpleEventPlugin EnterLeaveEventPlugin ChangeEventPlugin SelectEventPlugin BeforeInputEventPlugin".split(" "));(function(a,b,c){td=a;rf=b;mf=c})(ae,Hb,Pa);pf({SimpleEventPlugin:lk,EnterLeaveEventPlugin:Yj,ChangeEventPlugin:Xj,SelectEventPlugin:ak,BeforeInputEventPlugin:Wj});var ie=[],ob=-1,Ca={},B={current:Ca},G={current:!1},Ra=Ca,bj=Pd,je=$f,Rg=Lj,aj=Nj,Dc=Oj,Ig=Zh,Jg=ag,Kg=Pj,Lg=Qj,Qg={},yj=Mj,Cj=void 0!==Yh?Yh:function(){},qa=null,
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Ec=null,ke=!1,ii=ff(),Y=1E4>ii?ff:function(){return ff()-ii},Ic={current:null},Hc=null,qb=null,Gc=null,Tg=0,Jc=2,Ga=!1,Vb=da.ReactCurrentBatchConfig,$g=(new ea.Component).refs,Mc={isMounted:function(a){return(a=a._reactInternalFiber)?Na(a)===a:!1},enqueueSetState:function(a,b,c){a=a._reactInternalFiber;var d=ka(),e=Vb.suspense;d=Va(d,a,e);e=Ea(d,e);e.payload=b;void 0!==c&&null!==c&&(e.callback=c);Fa(a,e);Ja(a,d)},enqueueReplaceState:function(a,b,c){a=a._reactInternalFiber;var d=ka(),e=Vb.suspense;
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d=Va(d,a,e);e=Ea(d,e);e.tag=1;e.payload=b;void 0!==c&&null!==c&&(e.callback=c);Fa(a,e);Ja(a,d)},enqueueForceUpdate:function(a,b){a=a._reactInternalFiber;var c=ka(),d=Vb.suspense;c=Va(c,a,d);d=Ea(c,d);d.tag=Jc;void 0!==b&&null!==b&&(d.callback=b);Fa(a,d);Ja(a,c)}},Qc=Array.isArray,wb=ah(!0),Fe=ah(!1),Sb={},ja={current:Sb},Ub={current:Sb},Tb={current:Sb},D={current:0},Sc=da.ReactCurrentDispatcher,X=da.ReactCurrentBatchConfig,Ia=0,z=null,K=null,J=null,Uc=!1,Tc={readContext:W,useCallback:S,useContext:S,
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useEffect:S,useImperativeHandle:S,useLayoutEffect:S,useMemo:S,useReducer:S,useRef:S,useState:S,useDebugValue:S,useResponder:S,useDeferredValue:S,useTransition:S},dj={readContext:W,useCallback:ih,useContext:W,useEffect:eh,useImperativeHandle:function(a,b,c){c=null!==c&&void 0!==c?c.concat([a]):null;return ze(4,2,gh.bind(null,b,a),c)},useLayoutEffect:function(a,b){return ze(4,2,a,b)},useMemo:function(a,b){var c=ub();b=void 0===b?null:b;a=a();c.memoizedState=[a,b];return a},useReducer:function(a,b,c){var d=
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ub();b=void 0!==c?c(b):b;d.memoizedState=d.baseState=b;a=d.queue={pending:null,dispatch:null,lastRenderedReducer:a,lastRenderedState:b};a=a.dispatch=ch.bind(null,z,a);return[d.memoizedState,a]},useRef:function(a){var b=ub();a={current:a};return b.memoizedState=a},useState:xe,useDebugValue:Be,useResponder:ue,useDeferredValue:function(a,b){var c=xe(a),d=c[0],e=c[1];eh(function(){var c=X.suspense;X.suspense=void 0===b?null:b;try{e(a)}finally{X.suspense=c}},[a,b]);return d},useTransition:function(a){var b=
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xe(!1),c=b[0];b=b[1];return[ih(Ce.bind(null,b,a),[b,a]),c]}},ej={readContext:W,useCallback:Yc,useContext:W,useEffect:Xc,useImperativeHandle:hh,useLayoutEffect:fh,useMemo:jh,useReducer:Vc,useRef:dh,useState:function(a){return Vc(Ua)},useDebugValue:Be,useResponder:ue,useDeferredValue:function(a,b){var c=Vc(Ua),d=c[0],e=c[1];Xc(function(){var c=X.suspense;X.suspense=void 0===b?null:b;try{e(a)}finally{X.suspense=c}},[a,b]);return d},useTransition:function(a){var b=Vc(Ua),c=b[0];b=b[1];return[Yc(Ce.bind(null,
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b,a),[b,a]),c]}},fj={readContext:W,useCallback:Yc,useContext:W,useEffect:Xc,useImperativeHandle:hh,useLayoutEffect:fh,useMemo:jh,useReducer:Wc,useRef:dh,useState:function(a){return Wc(Ua)},useDebugValue:Be,useResponder:ue,useDeferredValue:function(a,b){var c=Wc(Ua),d=c[0],e=c[1];Xc(function(){var c=X.suspense;X.suspense=void 0===b?null:b;try{e(a)}finally{X.suspense=c}},[a,b]);return d},useTransition:function(a){var b=Wc(Ua),c=b[0];b=b[1];return[Yc(Ce.bind(null,b,a),[b,a]),c]}},ra=null,Ka=null,Wa=
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!1,gj=da.ReactCurrentOwner,ia=!1,Je={dehydrated:null,retryTime:0};var jj=function(a,b,c,d){for(c=b.child;null!==c;){if(5===c.tag||6===c.tag)a.appendChild(c.stateNode);else if(4!==c.tag&&null!==c.child){c.child.return=c;c=c.child;continue}if(c===b)break;for(;null===c.sibling;){if(null===c.return||c.return===b)return;c=c.return}c.sibling.return=c.return;c=c.sibling}};var wh=function(a){};var ij=function(a,b,c,d,e){var f=a.memoizedProps;if(f!==d){var g=b.stateNode;Ta(ja.current);a=null;switch(c){case "input":f=
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|
Cd(g,f);d=Cd(g,d);a=[];break;case "option":f=Fd(g,f);d=Fd(g,d);a=[];break;case "select":f=M({},f,{value:void 0});d=M({},d,{value:void 0});a=[];break;case "textarea":f=Gd(g,f);d=Gd(g,d);a=[];break;default:"function"!==typeof f.onClick&&"function"===typeof d.onClick&&(g.onclick=uc)}Ud(c,d);var h,m;c=null;for(h in f)if(!d.hasOwnProperty(h)&&f.hasOwnProperty(h)&&null!=f[h])if("style"===h)for(m in g=f[h],g)g.hasOwnProperty(m)&&(c||(c={}),c[m]="");else"dangerouslySetInnerHTML"!==h&&"children"!==h&&"suppressContentEditableWarning"!==
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h&&"suppressHydrationWarning"!==h&&"autoFocus"!==h&&(db.hasOwnProperty(h)?a||(a=[]):(a=a||[]).push(h,null));for(h in d){var k=d[h];g=null!=f?f[h]:void 0;if(d.hasOwnProperty(h)&&k!==g&&(null!=k||null!=g))if("style"===h)if(g){for(m in g)!g.hasOwnProperty(m)||k&&k.hasOwnProperty(m)||(c||(c={}),c[m]="");for(m in k)k.hasOwnProperty(m)&&g[m]!==k[m]&&(c||(c={}),c[m]=k[m])}else c||(a||(a=[]),a.push(h,c)),c=k;else"dangerouslySetInnerHTML"===h?(k=k?k.__html:void 0,g=g?g.__html:void 0,null!=k&&g!==k&&(a=a||
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[]).push(h,k)):"children"===h?g===k||"string"!==typeof k&&"number"!==typeof k||(a=a||[]).push(h,""+k):"suppressContentEditableWarning"!==h&&"suppressHydrationWarning"!==h&&(db.hasOwnProperty(h)?(null!=k&&oa(e,h),a||g===k||(a=[])):(a=a||[]).push(h,k))}c&&(a=a||[]).push("style",c);e=a;if(b.updateQueue=e)b.effectTag|=4}};var kj=function(a,b,c,d){c!==d&&(b.effectTag|=4)};var pj="function"===typeof WeakSet?WeakSet:Set,wj="function"===typeof WeakMap?WeakMap:Map,sj=Math.ceil,gd=da.ReactCurrentDispatcher,
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Uh=da.ReactCurrentOwner,H=0,Ye=8,ca=16,ma=32,Xa=0,hd=1,Oh=2,ad=3,bd=4,Xe=5,p=H,U=null,t=null,P=0,F=Xa,id=null,ta=1073741823,Yb=1073741823,kd=null,Xb=0,jd=!1,Re=0,Ph=500,l=null,cd=!1,Se=null,La=null,ld=!1,Zb=null,$b=90,bb=null,ac=0,af=null,dd=0,Ja=function(a,b){if(50<ac)throw ac=0,af=null,Error(k(185));a=ed(a,b);if(null!==a){var c=Cc();1073741823===b?(p&Ye)!==H&&(p&(ca|ma))===H?Te(a):(V(a),p===H&&ha()):V(a);(p&4)===H||98!==c&&99!==c||(null===bb?bb=new Map([[a,b]]):(c=bb.get(a),(void 0===c||c>b)&&bb.set(a,
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b)))}};var zj=function(a,b,c){var d=b.expirationTime;if(null!==a){var e=b.pendingProps;if(a.memoizedProps!==e||G.current)ia=!0;else{if(d<c){ia=!1;switch(b.tag){case 3:sh(b);Ee();break;case 5:bh(b);if(b.mode&4&&1!==c&&e.hidden)return b.expirationTime=b.childExpirationTime=1,null;break;case 1:N(b.type)&&Bc(b);break;case 4:se(b,b.stateNode.containerInfo);break;case 10:d=b.memoizedProps.value;e=b.type._context;y(Ic,e._currentValue);e._currentValue=d;break;case 13:if(null!==b.memoizedState){d=b.child.childExpirationTime;
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if(0!==d&&d>=c)return th(a,b,c);y(D,D.current&1);b=sa(a,b,c);return null!==b?b.sibling:null}y(D,D.current&1);break;case 19:d=b.childExpirationTime>=c;if(0!==(a.effectTag&64)){if(d)return vh(a,b,c);b.effectTag|=64}e=b.memoizedState;null!==e&&(e.rendering=null,e.tail=null);y(D,D.current);if(!d)return null}return sa(a,b,c)}ia=!1}}else ia=!1;b.expirationTime=0;switch(b.tag){case 2:d=b.type;null!==a&&(a.alternate=null,b.alternate=null,b.effectTag|=2);a=b.pendingProps;e=pb(b,B.current);rb(b,c);e=we(null,
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b,d,a,e,c);b.effectTag|=1;if("object"===typeof e&&null!==e&&"function"===typeof e.render&&void 0===e.$$typeof){b.tag=1;b.memoizedState=null;b.updateQueue=null;if(N(d)){var f=!0;Bc(b)}else f=!1;b.memoizedState=null!==e.state&&void 0!==e.state?e.state:null;ne(b);var g=d.getDerivedStateFromProps;"function"===typeof g&&Lc(b,d,g,a);e.updater=Mc;b.stateNode=e;e._reactInternalFiber=b;pe(b,d,a,c);b=Ie(null,b,d,!0,f,c)}else b.tag=0,T(null,b,e,c),b=b.child;return b;case 16:a:{e=b.elementType;null!==a&&(a.alternate=
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null,b.alternate=null,b.effectTag|=2);a=b.pendingProps;ri(e);if(1!==e._status)throw e._result;e=e._result;b.type=e;f=b.tag=Gj(e);a=aa(e,a);switch(f){case 0:b=He(null,b,e,a,c);break a;case 1:b=rh(null,b,e,a,c);break a;case 11:b=nh(null,b,e,a,c);break a;case 14:b=oh(null,b,e,aa(e.type,a),d,c);break a}throw Error(k(306,e,""));}return b;case 0:return d=b.type,e=b.pendingProps,e=b.elementType===d?e:aa(d,e),He(a,b,d,e,c);case 1:return d=b.type,e=b.pendingProps,e=b.elementType===d?e:aa(d,e),rh(a,b,d,e,c);
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|
case 3:sh(b);d=b.updateQueue;if(null===a||null===d)throw Error(k(282));d=b.pendingProps;e=b.memoizedState;e=null!==e?e.element:null;oe(a,b);Qb(b,d,null,c);d=b.memoizedState.element;if(d===e)Ee(),b=sa(a,b,c);else{if(e=b.stateNode.hydrate)Ka=kb(b.stateNode.containerInfo.firstChild),ra=b,e=Wa=!0;if(e)for(c=Fe(b,null,d,c),b.child=c;c;)c.effectTag=c.effectTag&-3|1024,c=c.sibling;else T(a,b,d,c),Ee();b=b.child}return b;case 5:return bh(b),null===a&&De(b),d=b.type,e=b.pendingProps,f=null!==a?a.memoizedProps:
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|
null,g=e.children,Yd(d,e)?g=null:null!==f&&Yd(d,f)&&(b.effectTag|=16),qh(a,b),b.mode&4&&1!==c&&e.hidden?(b.expirationTime=b.childExpirationTime=1,b=null):(T(a,b,g,c),b=b.child),b;case 6:return null===a&&De(b),null;case 13:return th(a,b,c);case 4:return se(b,b.stateNode.containerInfo),d=b.pendingProps,null===a?b.child=wb(b,null,d,c):T(a,b,d,c),b.child;case 11:return d=b.type,e=b.pendingProps,e=b.elementType===d?e:aa(d,e),nh(a,b,d,e,c);case 7:return T(a,b,b.pendingProps,c),b.child;case 8:return T(a,
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|
b,b.pendingProps.children,c),b.child;case 12:return T(a,b,b.pendingProps.children,c),b.child;case 10:a:{d=b.type._context;e=b.pendingProps;g=b.memoizedProps;f=e.value;var h=b.type._context;y(Ic,h._currentValue);h._currentValue=f;if(null!==g)if(h=g.value,f=Qa(h,f)?0:("function"===typeof d._calculateChangedBits?d._calculateChangedBits(h,f):1073741823)|0,0===f){if(g.children===e.children&&!G.current){b=sa(a,b,c);break a}}else for(h=b.child,null!==h&&(h.return=b);null!==h;){var m=h.dependencies;if(null!==
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|
m){g=h.child;for(var l=m.firstContext;null!==l;){if(l.context===d&&0!==(l.observedBits&f)){1===h.tag&&(l=Ea(c,null),l.tag=Jc,Fa(h,l));h.expirationTime<c&&(h.expirationTime=c);l=h.alternate;null!==l&&l.expirationTime<c&&(l.expirationTime=c);Sg(h.return,c);m.expirationTime<c&&(m.expirationTime=c);break}l=l.next}}else g=10===h.tag?h.type===b.type?null:h.child:h.child;if(null!==g)g.return=h;else for(g=h;null!==g;){if(g===b){g=null;break}h=g.sibling;if(null!==h){h.return=g.return;g=h;break}g=g.return}h=
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|
g}T(a,b,e.children,c);b=b.child}return b;case 9:return e=b.type,f=b.pendingProps,d=f.children,rb(b,c),e=W(e,f.unstable_observedBits),d=d(e),b.effectTag|=1,T(a,b,d,c),b.child;case 14:return e=b.type,f=aa(e,b.pendingProps),f=aa(e.type,f),oh(a,b,e,f,d,c);case 15:return ph(a,b,b.type,b.pendingProps,d,c);case 17:return d=b.type,e=b.pendingProps,e=b.elementType===d?e:aa(d,e),null!==a&&(a.alternate=null,b.alternate=null,b.effectTag|=2),b.tag=1,N(d)?(a=!0,Bc(b)):a=!1,rb(b,c),Yg(b,d,e),pe(b,d,e,c),Ie(null,
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|
b,d,!0,a,c);case 19:return vh(a,b,c)}throw Error(k(156,b.tag));};var bf=null,Ne=null,la=function(a,b,c,d){return new Fj(a,b,c,d)};ef.prototype.render=function(a){md(a,this._internalRoot,null,null)};ef.prototype.unmount=function(){var a=this._internalRoot,b=a.containerInfo;md(null,a,null,function(){b[Lb]=null})};var Di=function(a){if(13===a.tag){var b=Fc(ka(),150,100);Ja(a,b);df(a,b)}};var Yf=function(a){13===a.tag&&(Ja(a,3),df(a,3))};var Bi=function(a){if(13===a.tag){var b=ka();b=Va(b,a,null);Ja(a,
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b);df(a,b)}};sd=function(a,b,c){switch(b){case "input":Dd(a,c);b=c.name;if("radio"===c.type&&null!=b){for(c=a;c.parentNode;)c=c.parentNode;c=c.querySelectorAll("input[name="+JSON.stringify(""+b)+'][type="radio"]');for(b=0;b<c.length;b++){var d=c[b];if(d!==a&&d.form===a.form){var e=ae(d);if(!e)throw Error(k(90));Gf(d);Dd(d,e)}}}break;case "textarea":Lf(a,c);break;case "select":b=c.value,null!=b&&hb(a,!!c.multiple,b,!1)}};(function(a,b,c,d){ee=a;eg=b;vd=c;vf=d})(Qh,function(a,b,c,d,e){var f=p;p|=4;
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|
try{return Da(98,a.bind(null,b,c,d,e))}finally{p=f,p===H&&ha()}},function(){(p&(1|ca|ma))===H&&(uj(),xb())},function(a,b){var c=p;p|=2;try{return a(b)}finally{p=c,p===H&&ha()}});var mk={Events:[Hb,Pa,ae,pf,qd,lb,function(a){Kd(a,Ki)},sf,tf,sc,pc,xb,{current:!1}]};(function(a){var b=a.findFiberByHostInstance;return Ej(M({},a,{overrideHookState:null,overrideProps:null,setSuspenseHandler:null,scheduleUpdate:null,currentDispatcherRef:da.ReactCurrentDispatcher,findHostInstanceByFiber:function(a){a=Sf(a);
|
|
return null===a?null:a.stateNode},findFiberByHostInstance:function(a){return b?b(a):null},findHostInstancesForRefresh:null,scheduleRefresh:null,scheduleRoot:null,setRefreshHandler:null,getCurrentFiber:null}))})({findFiberByHostInstance:Bb,bundleType:0,version:"16.13.1",rendererPackageName:"react-dom"});I.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED=mk;I.createPortal=Xh;I.findDOMNode=function(a){if(null==a)return null;if(1===a.nodeType)return a;var b=a._reactInternalFiber;if(void 0===
|
|
b){if("function"===typeof a.render)throw Error(k(188));throw Error(k(268,Object.keys(a)));}a=Sf(b);a=null===a?null:a.stateNode;return a};I.flushSync=function(a,b){if((p&(ca|ma))!==H)throw Error(k(187));var c=p;p|=1;try{return Da(99,a.bind(null,b))}finally{p=c,ha()}};I.hydrate=function(a,b,c){if(!bc(b))throw Error(k(200));return nd(null,a,b,!0,c)};I.render=function(a,b,c){if(!bc(b))throw Error(k(200));return nd(null,a,b,!1,c)};I.unmountComponentAtNode=function(a){if(!bc(a))throw Error(k(40));return a._reactRootContainer?
|
|
(Rh(function(){nd(null,null,a,!1,function(){a._reactRootContainer=null;a[Lb]=null})}),!0):!1};I.unstable_batchedUpdates=Qh;I.unstable_createPortal=function(a,b){return Xh(a,b,2<arguments.length&&void 0!==arguments[2]?arguments[2]:null)};I.unstable_renderSubtreeIntoContainer=function(a,b,c,d){if(!bc(c))throw Error(k(200));if(null==a||void 0===a._reactInternalFiber)throw Error(k(38));return nd(a,b,c,!1,d)};I.version="16.13.1"});
|
|
</script>
|
|
<script>const e = React.createElement;
|
|
|
|
function pathToString(path) {
|
|
if (path[0] === '/') {
|
|
return '/' + path.slice(1).join('/');
|
|
} else {
|
|
return path.join('/');
|
|
}
|
|
}
|
|
|
|
function findCommonPath(files) {
|
|
if (!files || !files.length) {
|
|
return [];
|
|
}
|
|
|
|
function isPrefix(arr, prefix) {
|
|
if (arr.length < prefix.length) {
|
|
return false;
|
|
}
|
|
for (let i = prefix.length - 1; i >= 0; --i) {
|
|
if (arr[i] !== prefix[i]) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
let commonPath = files[0].path.slice(0, -1);
|
|
while (commonPath.length) {
|
|
if (files.every(file => isPrefix(file.path, commonPath))) {
|
|
break;
|
|
}
|
|
commonPath.pop();
|
|
}
|
|
return commonPath;
|
|
}
|
|
|
|
function findFolders(files) {
|
|
if (!files || !files.length) {
|
|
return [];
|
|
}
|
|
|
|
let folders = files.filter(file => file.path.length > 1).map(file => file.path[0]);
|
|
folders = [...new Set(folders)]; // unique
|
|
folders.sort();
|
|
|
|
folders = folders.map(folder => {
|
|
let filesInFolder = files
|
|
.filter(file => file.path[0] === folder)
|
|
.map(file => ({
|
|
...file,
|
|
path: file.path.slice(1),
|
|
parent: [...file.parent, file.path[0]],
|
|
}));
|
|
|
|
const children = findFolders(filesInFolder); // recursion
|
|
|
|
return {
|
|
is_folder: true,
|
|
path: [folder],
|
|
parent: files[0].parent,
|
|
children,
|
|
covered: children.reduce((sum, file) => sum + file.covered, 0),
|
|
coverable: children.reduce((sum, file) => sum + file.coverable, 0),
|
|
prevRun: {
|
|
covered: children.reduce((sum, file) => sum + file.prevRun.covered, 0),
|
|
coverable: children.reduce((sum, file) => sum + file.prevRun.coverable, 0),
|
|
}
|
|
};
|
|
});
|
|
|
|
return [
|
|
...folders,
|
|
...files.filter(file => file.path.length === 1),
|
|
];
|
|
}
|
|
|
|
class App extends React.Component {
|
|
constructor(...args) {
|
|
super(...args);
|
|
|
|
this.state = {
|
|
current: [],
|
|
};
|
|
}
|
|
|
|
componentDidMount() {
|
|
this.updateStateFromLocation();
|
|
window.addEventListener("hashchange", () => this.updateStateFromLocation(), false);
|
|
}
|
|
|
|
updateStateFromLocation() {
|
|
if (window.location.hash.length > 1) {
|
|
const current = window.location.hash.substr(1).split('/');
|
|
this.setState({current});
|
|
} else {
|
|
this.setState({current: []});
|
|
}
|
|
}
|
|
|
|
getCurrentPath() {
|
|
let file = this.props.root;
|
|
let path = [file];
|
|
for (let p of this.state.current) {
|
|
file = file.children.find(file => file.path[0] === p);
|
|
if (!file) {
|
|
return path;
|
|
}
|
|
path.push(file);
|
|
}
|
|
return path;
|
|
}
|
|
|
|
render() {
|
|
const path = this.getCurrentPath();
|
|
const file = path[path.length - 1];
|
|
|
|
let w = null;
|
|
if (file.is_folder) {
|
|
w = e(FilesList, {
|
|
folder: file,
|
|
onSelectFile: this.selectFile.bind(this),
|
|
onBack: path.length > 1 ? this.back.bind(this) : null,
|
|
});
|
|
} else {
|
|
w = e(DisplayFile, {
|
|
file,
|
|
onBack: this.back.bind(this),
|
|
});
|
|
}
|
|
|
|
return e('div', {className: 'app'}, w);
|
|
}
|
|
|
|
selectFile(file) {
|
|
this.setState(({current}) => {
|
|
return {current: [...current, file.path[0]]};
|
|
}, () => this.updateHash());
|
|
}
|
|
|
|
back(file) {
|
|
this.setState(({current}) => {
|
|
return {current: current.slice(0, current.length - 1)};
|
|
}, () => this.updateHash());
|
|
}
|
|
|
|
updateHash() {
|
|
if (!this.state.current || !this.state.current.length) {
|
|
window.location = '#';
|
|
} else {
|
|
window.location = '#' + this.state.current.join('/');
|
|
}
|
|
}
|
|
}
|
|
|
|
function FilesList({folder, onSelectFile, onBack}) {
|
|
let files = folder.children;
|
|
return e('div', {className: 'display-folder'},
|
|
e(FileHeader, {file: folder, onBack}),
|
|
e('table', {className: 'files-list'},
|
|
e('thead', {className: 'files-list__head'},
|
|
e('tr', null,
|
|
e('th', null, "Path"),
|
|
e('th', null, "Coverage")
|
|
)
|
|
),
|
|
e('tbody', {className: 'files-list__body'},
|
|
files.map(file => e(File, {file, onClick: onSelectFile}))
|
|
)
|
|
)
|
|
);
|
|
}
|
|
|
|
function File({file, onClick}) {
|
|
const coverage = file.coverable ? file.covered / file.coverable * 100 : -1;
|
|
const coverageDelta = file.prevRun &&
|
|
(file.covered / file.coverable * 100 - file.prevRun.covered / file.prevRun.coverable * 100);
|
|
|
|
return e('tr', {
|
|
className: 'files-list__file'
|
|
+ (coverage >= 0 && coverage < 50 ? ' files-list__file_low': '')
|
|
+ (coverage >= 50 && coverage < 80 ? ' files-list__file_medium': '')
|
|
+ (coverage >= 80 ? ' files-list__file_high': '')
|
|
+ (file.is_folder ? ' files-list__file_folder': ''),
|
|
onClick: () => onClick(file),
|
|
},
|
|
e('td', null, e('a', null, pathToString(file.path))),
|
|
e('td', null,
|
|
file.covered + ' / ' + file.coverable +
|
|
(coverage >= 0 ? ' (' + coverage.toFixed(2) + '%)' : ''),
|
|
e('span', {title: 'Change from the previous run'},
|
|
(coverageDelta ? ` (${coverageDelta > 0 ? '+' : ''}${coverageDelta.toFixed(2)}%)` : ''))
|
|
)
|
|
);
|
|
}
|
|
|
|
function DisplayFile({file, onBack}) {
|
|
return e('div', {className: 'display-file'},
|
|
e(FileHeader, {file, onBack}),
|
|
e(FileContent, {file})
|
|
);
|
|
}
|
|
|
|
function FileHeader({file, onBack}) {
|
|
const coverage = file.covered / file.coverable * 100;
|
|
const coverageDelta = file.prevRun && (coverage - file.prevRun.covered / file.prevRun.coverable * 100);
|
|
|
|
return e('div', {className: 'file-header'},
|
|
onBack ? e('a', {className: 'file-header__back', onClick: onBack}, 'Back') : null,
|
|
e('div', {className: 'file-header__name'}, pathToString([...file.parent, ...file.path])),
|
|
e('div', {className: 'file-header__stat'},
|
|
'Covered: ' + file.covered + ' of ' + file.coverable +
|
|
(file.coverable ? ' (' + coverage.toFixed(2) + '%)' : ''),
|
|
e('span', {title: 'Change from the previous run'},
|
|
(coverageDelta ? ` (${coverageDelta > 0 ? '+' : ''}${coverageDelta.toFixed(2)}%)` : ''))
|
|
)
|
|
);
|
|
}
|
|
|
|
function FileContent({file}) {
|
|
return e('pre', {className: 'file-content'},
|
|
file.content.split(/\r?\n/).map((line, index) => {
|
|
const trace = file.traces.find(trace => trace.line === index + 1);
|
|
const covered = trace && trace.stats.Line;
|
|
const uncovered = trace && !trace.stats.Line;
|
|
return e('code', {
|
|
className: 'code-line'
|
|
+ (covered ? ' code-line_covered' : '')
|
|
+ (uncovered ? ' code-line_uncovered' : ''),
|
|
title: trace ? JSON.stringify(trace.stats, null, 2) : null,
|
|
}, line);
|
|
})
|
|
);
|
|
}
|
|
|
|
(function(){
|
|
const commonPath = findCommonPath(data.files);
|
|
const prevFilesMap = new Map();
|
|
|
|
previousData && previousData.files.forEach((file) => {
|
|
const path = file.path.slice(commonPath.length).join('/');
|
|
prevFilesMap.set(path, file);
|
|
});
|
|
|
|
const files = data.files.map((file) => {
|
|
const path = file.path.slice(commonPath.length);
|
|
const { covered = 0, coverable = 0 } = prevFilesMap.get(path.join('/')) || {};
|
|
return {
|
|
...file,
|
|
path,
|
|
parent: commonPath,
|
|
prevRun: { covered, coverable },
|
|
};
|
|
});
|
|
|
|
const children = findFolders(files);
|
|
|
|
const root = {
|
|
is_folder: true,
|
|
children,
|
|
path: commonPath,
|
|
parent: [],
|
|
covered: children.reduce((sum, file) => sum + file.covered, 0),
|
|
coverable: children.reduce((sum, file) => sum + file.coverable, 0),
|
|
prevRun: {
|
|
covered: children.reduce((sum, file) => sum + file.prevRun.covered, 0),
|
|
coverable: children.reduce((sum, file) => sum + file.prevRun.coverable, 0),
|
|
}
|
|
};
|
|
|
|
ReactDOM.render(e(App, {root, prevFilesMap}), document.getElementById('root'));
|
|
}());
|
|
</script>
|
|
</body>
|
|
</html> |