GBR

GBR is a Game Boy emulator written in Rust.

It was created for the purpose of learning Rust and the CPU emulator, keeping in mind the readability of the code.

Useage

cargo run --release -- --rom [filename]

Joypad

Game Boy	Key
Up	Arrow Up
Down	Arrow Down
Left	Arrow Left
Right	Arrow Right
A	Z
B	X
START	Enter
SELECT	Backspace

Features

• Cartridge
  • No MBC
  • MBC1
  • Other
• PPU
• Timer
• APU
• Serial I/O

Test

cargo run --release -- --rom ./rom/individual/cpu_instrs.gb

Platform

I have only checked the operation on Windows 10.

References

Documents 📚

• Game Boy™ CPU Manual
• Pan Docs - Game Boy technical reference

Videos 🎥

• The Game Boy, a hardware autopsy - Part 1: the CPU
• The Ultimate Game Boy Talk (33c3)

Emulators 🎮

• Gekkio/mooneye-gb
• bokuweb/gopher-boy