An esoteric logic simulator inspired by TTL.

4-bit Add/Sub Machine

1. Install Crystal
2. shards install
3. Install Raylib from lib/raylib-cr/rsrc or install raylib from source
4. shards build app

Run ./bin/app and drag and drop palette and png files into the window.

• Ian Rash - creator and maintainer

Developed by Common Opera for use in Fall 2020’s “Variations on Coda to Yellow Sky (Im/Perfect Dawn: Repeat)”, available at https://commonopera.itch.io/variations-on-coda-to-yellow-sky-imperfect-dawn-repeat.