Photograph of Commodore 128
Evan-Amos / Wikimedia Commons / CC BY-SA 3.0

C64-compatible 80-column machine. Shares many C64 carts plus 8563/VDC video work.

Also known as: C128, C128D

Published open-source PCB projects

C128 keyboard diagnostic loopback board Open source · GPL-3.0-only

C128 keyboard diagnostic loopback

Open keyboard-loopback board for Commodore 128 diagnostic harnesses.

Other catalogued projects

Mod License Notes
VDC / 80-column RGB Mixed / partial source Cables and encoders for the 8563 80-column output.
Ultimate 64 / Chameleon on C128 Mixed / partial source FPGA cartridges and boards used in 128s in C64 mode.

Browse these projects in the 3D PCB mod directory. Open-source rows can be shallow-cloned into the git bucket. Generated board renders belong on the artifact CDN, not in git. See the catalog wiki note.