UI is based on ImGui and shows some internals (CPU state, code).
> cargo run
- ROMs used from this repo: https://github.com/dmatlack/chip8/tree/master/roms
- ImGui wgpu backend was taken from here: https://github.com/unconed/imgui-wgpu-rs and hacked to add basic support for updating/reuploading textures.