🕹️ A Cycle-Accurate Game Boy Colour emulator written in Zig.
- Full Sharp LR35902 instruction set
- All memory structures and registers apart from Serial Transfer
- Currently supports 4 GameBoy cartridge types with automatic detection
- Full PPU using scanline rendering with DMG and CGB modes
- Various components such as the Timer, Interrupt Controller, and Joypad
- SDL3 GUI using Zig's C interoperability, implementing rendering and ROM selection
- Full APU implementation, using SDL's Audio Stream to drive frame rate + timing
- Working save games
- Toggleable emulation speeds
zig build run
| Game Boy | Keyboard |
|---|---|
| D-Pad | Arrow Keys |
| A | Z |
| B | X |
| Start | Enter |
| Select | Right Shift |
| Emulator | Keyboard |
|---|---|
| Toggle Speed | S |
- Save states
- FIFO rendering
- Additional MBCs
- Passes Blargg cpu instructions, instruction timing, interrupt timing, and memory timing tests