Commodore 64

Ultimate 64 demo built around a Heartbeat Soundtracker song, with a full C player port and a note-reactive visualiser.

On-device Mandelbrot fractal generator with live Upic display and interactive pan/zoom, for the Commodore 64 Ultimate.

Boot menu for C64 Ultimate-enabled devices, with auto-boot default slot and mount/command-only slots.

Demo for the Ultimate 64 showcasing turbo mode, Ultimate Audio DMA, and eight visual effects.