 Tanner Fokkens
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9bb5705759
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Add Game Boy Color support
- New CGB state management (cgb.c/cgb.h)
- VRAM banking (VBK register)
- WRAM banking (SVBK register, banks 1-7)
- Speed switching (KEY1 register)
- HDMA transfers (HDMA1-5 registers)
- CGB palette registers (BCPS/BCPD, OCPS/OCPD)
- CGB rendering (lcd_cgb.c, lcd_mac_cgb.c)
- Tile attributes from VRAM bank 1
- Per-tile palettes, H/V flip, priority
- 8 background and 8 sprite palettes
- RGB555 to Mac indexed color conversion
- JIT initialization sets A=$11 for CGB mode detection
- UI: "Run as GBC" menu option, .gbc file filter
Working: Tetris DX, Pokemon Gold
Known issues: Crystal, SMB Deluxe, LADX hang at boot
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2026-02-01 00:57:25 -08:00 |
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Matthew Laux