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README.md
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README.md
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@ -6,16 +6,86 @@
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Nintendo GameBoy Advance ™ emulator and debugger, written in rust.
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# Progress
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## Supported features:
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* Display modes 0,1,2,3,4
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* PCM Audio channels
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* Snapshots (AKA savestates)
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* Cartridge backup saves
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## Todo:
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* CGB audio (4 wave generator channels)
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* web.asm frontend
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* Andriod & IOS applications
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* color correction
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* Configurable keybindings
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* Controller support
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# Build and usage
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1. set-up rust *nightly*
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2. Obtain a gba bios binary. you can get an [open source GBA bios](https://github.com/Nebuleon/ReGBA/blob/master/bios/gba_bios.bin)
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3. Place the bios file in the repository root and name it `gba_bios.bin`
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The following instructions build the `rba-sdl2` target which is currently the main platform. (`rba-minifb` is also available without audio support)
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4. Build and run in release mode (performance is terrible in the `dev` profile)
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```bash
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$ cargo run --release -- path/to/rom
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```
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To get started, you need to get a [stable rust toolchain](https://rustup.rs).
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## Linux build dependencies
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Install SDL2 dependencies
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```bash
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sudo apt-get -y install libsdl2-dev libsdl2-image-dev
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```
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## Windows build dependencies
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Download SDL2 runtime binaries for windows (either 32bit or 64bit depending on the target machine)
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https://www.libsdl.org/download-2.0.php
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https://www.libsdl.org/projects/SDL_image/
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Extract all the DLLs into the project root (Yeah, its dirty and a build script will be written in the future to automate this)
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## Build & Usage
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You need to obtain a gba bios binary.
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An [open source GBA bios](https://github.com/Nebuleon/ReGBA/blob/master/bios/gba_bios.bin) is also available and supported.
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Place the bios file in the repository root and name it `gba_bios.bin` (or alternatively use the `-b` command line option)
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Build and run in release mode (performance is terrible in the `dev` profile)
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```bash
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$ cargo run --release -- path/to/rom
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```
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You can also drag&drop rom files or any zip files containing `.gba` files inside into the emulator window and a new rom will be loaded.
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# Key bindings
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> Currently the key bindings are not configureable.
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GBA key bindings:
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| Keyboard | GBA |
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|----------- |---------- |
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| Up | Up |
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| Down | Down |
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| Left | Right |
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| Right | Right |
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| Z | B Button |
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| X | A Button |
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| Return | Start |
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| Backspace | Select |
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| A | L |
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| S | R |
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Special key bindings
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| Key | Function |
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|-------------- |-------------------- |
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| Space (hold) | Disable 60fps cap |
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| F5 | Save snapshot file |
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| F9 | Load snapshot file |
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# Why is this project needed ?
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@ -29,33 +99,8 @@ I tried to resurrect it a year ago but didn't have the time to get invested in a
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I've grown to like rust a lot since then, so here we go again.
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You know what they say, *third time's a charm*.
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# Progress
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## Supported features:
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* Display modes 0,4,5
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* PCM Audio channels
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## Todo:
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* Display modes 2,3 (affine backgrounds)
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* Flash(backup) support
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* CGB audio (4 wave generator channels)
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* web.asm frontend
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* color correction
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## Tested games status
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### Kirby - Nightmare in Dreamland*
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No issues so far
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### Pokemon - Emerald
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~~Won't boot unless binary patched to remove a loop querying the flash chip~~
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### Dragon Ball - Legacy of Goku 2
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~~crashes when entering in-game menu, other than that works fine.~~
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## Screenshots
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## More Screenshots
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# Links and attribution
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@ -71,4 +116,4 @@ No issues so far
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A GameBoy Advance emulator written in C++17 by a nice person called fleroviux.
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I've used this for debugging.
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- [Eggvance gba-suite](https://github.com/jsmolka/gba-suite)
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Incredible test suite for the arm7tdmi interpreter that I'm using, written by Julian Smolka.
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Incredible test suite for the arm7tdmi interpreter that I'm using, written by Julian Smolka.
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