- Updated Snes constructor to initialize CPU callbacks directly, improving readability and maintainability.
- Removed unnecessary CpuCallbacks parameter from Cpu constructor, streamlining the class design.
- Added new methods in Apu for retrieving cycles, status, control, and handling DMA transfers, enhancing audio processing capabilities.
- Introduced unit tests for Apu to validate initialization, sample generation, and handshake timing, ensuring robust audio functionality.
