An emulator for the Nintendo Game Boy (DMG) written in Rust.

$ git clone https://github.com/afishberg/feo-boy && cd feo-boy
$ cargo run --release -- --bios path/to/bios.gb path/to/rom.gb

See all options with the --help flag.

$ cargo run --release -- --help

Enable log output by setting RUST_LOG=feo_boy.

Enable debug mode by passing the --debug flag. You will see a prompt that allows you to step emulation one instruction at a time. You may also dump memory or CPU state from this prompt.

Enter ? at this prompt to see all debug options.

Run unit tests with cargo test.