- Replace floating-point ratio with integer numerator/denominator
- Convert RunCycles() to use new Step() function
- Implement explicit cycle budget loop
- Add detailed comments explaining the conversion
Benefits:
- Perfect precision (no floating-point drift over long sessions)
- Explicit cycle counting for better debugging
- Faster integer arithmetic
- Testable cycle accuracy per instruction
- Introduced a new audio backend system with SDL2 support, allowing for flexible audio management and improved performance.
- Added APU handshake tracking capabilities to monitor CPU-APU communication during audio program uploads, enhancing debugging and transfer diagnostics.
- Updated the Emulator class to integrate the new audio backend, ensuring compatibility with existing audio handling.
- Implemented an APU Debugger UI for real-time monitoring of handshake status, port activity, and transfer progress, improving user experience for debugging audio issues.
- Refactored audio-related code to streamline audio sample queuing and management, enhancing overall emulator performance.
- Added frame rate tracking to the emulator, calculating and displaying current FPS in the UI.
- Enhanced audio management by monitoring queued audio frames and ensuring the audio buffer is filled appropriately.
- Updated texture handling to align with the PPU output format, improving visual consistency.
- Refactored timing management to cap time accumulation, preventing performance issues during frame processing.
- Refactored SDL initialization process to enhance clarity and error handling, ensuring proper setup of video, audio, and event subsystems.
- Utilized RAII smart pointers for window and renderer management, improving resource cleanup during shutdown.
- Updated audio buffer allocation to use unique_ptr for automatic memory management.
- Enhanced logging for emulator state and initialization, providing better insights during execution.
- Streamlined timing management and frame processing logic for improved performance and maintainability.
- Decreased logging limits in Snes, Apu, and Spc700 classes to prevent overflow crashes during execution.
- Updated comments in the APU boot ROM for clarity regarding the hardware dump and critical fixes.
- Enhanced logging to provide better insights while maintaining system stability.
- Added deadlock detection in the emulator's main loop to identify when the CPU is stuck, enhancing debugging capabilities.
- Updated logging during emulator shutdown to provide clearer status messages, including final CPU state and resource cleanup.
- Refactored audio and texture cleanup processes to ensure proper resource management during shutdown.
- Renamed command-line flags for improved clarity and consistency, enhancing usability for ROM loading, GUI options, and state management.
- Adjusted default maximum frames for emulator execution to 180, optimizing performance settings.
- Refactored CMake configuration to reflect changes in source file structure, ensuring proper build setup for the emulator application.
- Updated APU boot ROM comments for clarity and completeness, including details on multi-byte transfer acknowledgments.
- Improved logging in APU and SPC700 classes to provide comprehensive tracing during execution, particularly for transfer protocols and MOVS instructions.
- Refactored MOVS, MOVSX, and MOVSY methods to use consistent address handling, enhancing readability and maintainability.
- Added conditional logging for specific addresses to aid in debugging and tracking state changes during instruction execution.
- Updated Emulator::Run method to accept a Rom* parameter, improving flexibility in ROM handling.
- Refactored texture creation and ROM data initialization to utilize the new parameter.
- Enhanced logging in Snes class to provide detailed information during initialization, reset, and frame processing, aiding in debugging and performance monitoring.
- Introduced cycle tracking in Apu and Spc700 classes for accurate synchronization and debugging.
- Added unit tests for APU DSP functionality and IPL ROM handshake to ensure reliability and correctness of audio processing.
