GameBoy Emulator
This is a work in progress and it's nowhere near completion.
(!) Games and bootrom are not included in this repository
Run
cargo run <path to rom>
Debugger
A lot of time in this project was spent on a CPU debugger. Enable the debugger property in Settings.toml: debug_enabled = true to run
the emulator in Debug mode. This allows you to step through the CPU instructions and print registers/memory data.
Debugger started
- Add breakpoints (b)
- Add start (s)
> s
Application stopped at breakpoint: 0x0000
> n
Application stopped at breakpoint: 0x0003
> n
Application stopped at breakpoint: 0x0004
> n
Application stopped at breakpoint: 0x0007
> n
Application stopped at breakpoint: 0x0008
> reg
AF: 0x00 0x40 (01000000)
BC: 0x00 0x00
DE: 0xff 0x56
HL: 0x9f 0xfe
SP: 0xfffe
PC: 0x0008
>