CHIP 8

CHIP-8

CHIP-8 resources used

• Base guide: http://www.multigesture.net/articles/how-to-write-an-emulator-chip-8-interpreter
• Chip-8 ROMs: https://github.com/JohnEarnest/chip8Archive
• Generic: https://github.com/trapexit/chip-8_documentation
• More in-depth, with symbols, but without extra calls: http://devernay.free.fr/hacks/chip8/C8TECH10.HTM
• Sprite drawing: https://chip8.fandom.com/wiki/Instruction_Draw
• Extensions: https://chip-8.github.io/extensions/#xo-chip
• Dev env, for testing roms: http://johnearnest.github.io/Octo
• Comprehensive references: https://github.com/tobiasvl/awesome-chip-8#documentation
• SDL audio
  • beep: https://stackoverflow.com/a/10111570 (source: https://is.gd/V0TZ4E)
  • rust: https://stasiak.at/updating-sdl2-audio-callback-data-in-rust.html
  • rust2: https://github.com/Rust-SDL2/rust-sdl2/blob/master/examples/audio-queue-squarewave.rs

Running the emulator

Keys: WASD.

Commands:

# Generic invocation
#
cargo run --bin emu-chip_8-sdl -- /path/to/rom

# Help
#
cargo run --bin emu-chip_8-sdl -- --help

Sample game execution:

cargo run --bin emu-chip_8-sdl -- <(curl -L 'https://github.com/JohnEarnest/chip8Archive/blob/master/roms/flightrunner.ch8?raw=true')