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gbboi-emu

A toy C# GameBoy (DMG-01) emulator

Implemented opcodes

Base

0 1 2 3 4 5 6 7 8 9 A B C D E F
0x βœ” βœ” ✘ 🟑 🟑 🟑 🟑 🟑 ✘ ✘ ✘ ✘ 🟑 🟑 🟑 ✘
1x ✘ 🟑 ✘ 🟑 ✘ 🟑 🟑 ✘ 🟑 ✘ 🟑 ✘ ✘ 🟑 🟑 ✘
2x 🟑 βœ” 🟑 🟑 🟑 ✘ ✘ ✘ 🟑 ✘ ✘ ✘ ✘ ✘ 🟑 ✘
3x βœ” βœ” ✘ ✘ ✘ βœ” ✘ ✘ ✘ ✘ ✘ ✘ ✘ 🟑 🟑 ✘
4x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
5x βœ” ✘ ✘ ✘ ✘ ✘ ✘ 🟑 ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
6x ✘ ✘ ✘ ✘ ✘ ✘ βœ” 🟑 ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
7x ✘ ✘ ✘ ✘ ✘ ✘ ✘ 🟑 🟑 ✘ ✘ 🟑 🟑 ✘ ✘ ✘
8x ✘ ✘ ✘ ✘ ✘ ✘ 🟑 ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
9x 🟑 ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
Ax ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ βœ”
Bx ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ 🟑 ✘
Cx ✘ ✘ ✘ βœ” ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ βœ” 🟑 βœ” ✘
Dx ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ 🟑 ✘ ✘ ✘ ✘ ✘ ✘ ✘
Ex 🟑 ✘ 🟑 ✘ ✘ ✘ ✘ ✘ ✘ ✘ 🟑 ✘ ✘ ✘ ✘ ✘
Fx 🟑 ✘ ✘ βœ” ✘ ✘ ✘ ✘ ✘ ✘ ✘ βœ” ✘ ✘ 🟑 βœ”

Two byte opcodes (CE-prefixed)

0 1 2 3 4 5 6 7 8 9 A B C D E F
0x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
1x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
2x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
3x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
4x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
5x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
6x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
7x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ βœ” ✘ ✘ ✘
8x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
9x ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
Ax ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
Bx ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
Cx ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
Dx ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
Ex ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
Fx ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘

Key

Symbol Meaning
βœ” Supported, with unit test
🟑 Supported, unit tests needed
✘ Not supported at all

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A toy C# GameBoy (DMG-01) emulator

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