CLEANUP: cleans up dependencies to use workspace version

CLEANUP: standardizes on pretty_env_logger
NEWBIN: Adds gemmarat to use Ratatui as an interface
CLEANUP: removes debugging display from computer.rs
ENHANCEMENT: Constants for locations of test roms built from environment
BUGFIX: SoundTimer was using i32 internally when it needs to be u8
CLEANUP: removes commented code used during diagnostics

gemma/tests/computer_tests.rs

@@ -6,7 +6,7 @@ use gemma::chip8::computer_manager::Chip8ComputerManager;
 use gemma::chip8::quirk_modes::QuirkMode;
 use gemma::chip8::quirk_modes::QuirkMode::{Chip8, SChipModern, XOChip};
 use gemma::chip8::registers::Chip8Registers;
-use gemma::constants::{CHIP8_VIDEO_MEMORY, TESTS_ROOT};
+use gemma::constants::{CHIP8_VIDEO_MEMORY, TESTS_ROOT, TEST_ROM_ROOT};
 use crate::test_utils::{load_compressed_result, load_result, load_rom};
 
 #[test]
@@ -187,7 +187,7 @@ fn quirks_mode_test() {
 fn load_rom_allows_starting() {
     let mut new_manager = Chip8ComputerManager::default();
     assert!(!new_manager.core_should_run);
-    let p = format!("{}/../resources/test/roms/1-chip8-logo.ch8" , std::env::current_dir().unwrap().display());
+    let p = TEST_ROM_ROOT.to_string() + "/1-chip8-logo.ch8";
     let full_path =  Path::new(p.as_str());
     new_manager.load_new_program_from_disk_to_system_memory(full_path);
     assert!(new_manager.core_should_run)

gemma/tests/state_tests.rs

@@ -11,20 +11,6 @@ fn load_result(to_load: &str) -> String {
     std::fs::read_to_string(full_path).unwrap()
 }
 
-// fn load_compressed_result(file_path: &str) -> io::Result<String> {
-//     // Load the compressed file contents
-//     let compressed_data = fs::read(file_path)?;
-//
-//     // Create a GzDecoder to uncompress the data
-//     let mut decoder = GzDecoder::new(&mut compressed_data[..]);
-//     let mut decompressed_data = String::new();
-//
-//     // Read the decompressed data directly into a String
-//     decoder.read_to_string(&mut decompressed_data)?;
-//
-//     Ok(decompressed_data)
-// }
-
 fn load_rom(to_load: &str) -> Vec<u8> {
     fs::read(format!("resources/test/roms/{}", to_load)).unwrap()
 }