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https://github.com/mohanson/gameboy

Full featured Cross-platform GameBoy emulator by Rust. Forever boys!.
https://github.com/mohanson/gameboy

emulator gameboy rust

Last synced: 26 days ago
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Full featured Cross-platform GameBoy emulator by Rust. Forever boys!.

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README

        

# Gameboy

Full-featured Cross-platform GameBoy emulator. **Forever boys!**

![sample.gif](./res/imgs/sample.gif)

You can start a game with the following command. The following example uses the built-in game "SUPER MARIOLAND":

```s
$ cargo run --release -- "./res/sml.gb"
```

The following options are supported:

```text
-a, --enable-audio Enable audio, default is false
-x, --scale-factor Scale the video by a factor of 1, 2, 4, or 8
```

Gameboy is developed in Rust and has been thoroughly tested on Windows, Ubuntu, and Mac.

# Dependencies

This project depends on the following Rust libraries, which have native dependencies:

- [cpal](https://github.com/RustAudio/cpal)
- [minifb](https://github.com/emoon/rust_minifb)

You may need to install the native dependencies these libraries require before running this emulator.

For Ubuntu Linux, you can run:

```sh
sudo apt install libasound2-dev # Install CPAL dependencies
sudo apt install libxkbcommon-dev libwayland-cursor0 libwayland-dev # Install MiniFB dependencies
```

For Windows, you should install [Microsoft C++ Build Tools](https://aka.ms/vs/17/release/vs_BuildTools.exe).

# Controls

```
_n_________________
|_|_______________|_|
| ,-------------. |
| | .---------. | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | `---------' | |
| `---------------' |
| _ GAME BOY |
Up | _| |_ ,-. | ----> Z
Left/Right <--- ||_ O _| ,-. "._,"|
Down | |_| "._," A | ----> X
| _ _ B |
| // // |
| // // \\\\\\ | ----> Enter/BackSpace
| ` ` \\\\\\ ,
|________...______,"
```

# Tests

Thanks to [Blargg's Gameboy hardware test ROMs](https://github.com/retrio/gb-test-roms), I can easily verify my code. Run tests with the command:

```sh
$ cargo run --example blargg
```

| Test Name | Result |
|--------------|-------------------------------------|
| cpu_instrs | ![img](./res/imgs/cpu_instrs.png) |
| instr_timing | ![img](./res/imgs/instr_timing.png) |

# References

- [Gbdev](http://gbdev.gg8.se/wiki/articles/Main_Page)
- [Open Game Boy Documentation Project](https://mgba-emu.github.io/gbdoc/)
- [LR35902 Opcodes](https://rednex.github.io/rgbds/gbz80.7.html)
- [LR35902 Opcodes Table](http://www.pastraiser.com/cpu/gameboy/gameboy_opcodes.html)
- [Game Boy Memory Map](http://gameboy.mongenel.com/dmg/asmmemmap.html)
- [Game Boy Technical Data](http://bgb.bircd.org/pandocs.htm)
- [awesome-gbdev](https://github.com/gbdev/awesome-gbdev)
- [List of MBC roms](https://ladecadence.net/trastero/listado%20juegos%20gameboy.html)
- [Roms download](http://romhustler.net/roms/gbc/number)

# Licenses

MIT.