b : Set a breakpoint on an instruction address.

p : Print the byte at the specified memory address.

To build the emulator with debugger support: cargo build -manifest-path emu/Cargo.toml -features debugĪs soon as you run the emulator, it will jump into the REPL. Note that the debugger is not included by default. The emulator comes with a simple GDB-like debugger CLI. The full build in release mode (including SDL) on a 10 core Windows VM takes ~1 min.

Install rustup (this also installs rustc and cargo):.Since we statically link against libsdl on all platforms to avoid having to ship the DLL with the emulator, you do not need to install SDL for the build. Note that SDL is automatically built as part of the Rust-SDL2 build script, but the script needs a few tools: Buildingĭue to the SDL dependency, you have to install some dependencies before you can build the emulator. These tests run on every commit to the repo. Integration tests: run existing test ROMs and ensure that they pass.Functional tests: verify the basic functions of the CPU and peripherals.emu-wasm: lib compiled to WASM and running on a Canvas2D in JS.emu: emulator frontend GUI written using SDL2 (runs on macOS, Windows, and Linux).lib: main library for emulating a Gameboy.The emulator is divided into three crates:

The Legend of Zelda: Link's Awakening DX (GBC, MBC5).

Note: these are replaced with buttons in the WASM version. Run with -h to view all flags and options. Visit the Releases page and download the latest version for your OS.

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