Chaos Communication Congress

Reconstructing game footage from a Game Boy's memory bus (37x98)

Air date: Dec 29, 2023

How do you capture a video from an 1989's Game Boy without modding the original hardware? With an adapter cartridge that spies on the memory bus! Let's talk about how to reconstruct the Game Boy's memory state, emulate its graphics unit and then encode the image into an MJPEG stream for anyone to use as a USB video class device. In realtime. On an rp2040 microcontroller.