Freespin is a demo that runs on a Commodore 1541 floppy drive. More information at www.quiss.org/freespin/. It generates sound/music by vibrating the drive's head, and video by switching the two serial bus lines between ground and +5V. A single 100 Ω resistor is used to connect the video. A C64 is used to boot the demo, but can be disconnected once it's running.
2 июл 2021