GitHub repo documents reverse engineering of IBM MCGA gate array

A GitHub repository hosts a reverse‑engineering effort for IBM’s MCGA gate array. The project documents the hardware design of the MCGA video chip. It aims to recreate schematics and understand the chip’s operation. The work is intended for retro‑computing enthusiasts and preservationists. All source files and analysis are publicly accessible in the repo. The repository provides a basis for emulation or hardware replication. Contributors can review and extend the documentation. The effort highlights interest in legacy IBM graphics hardware.