[Brendan] has had the opposite experience with this custom handheld originally designed for Game and Watch games, though, and he eventually added NES and Game Boy functionality as well. As this ...

This repository contains early PoC code and PCB flex cable design to support SD card on the console. Only NES and GB games were currently tested! The single flash chip support is not broken too! PCB ...

This repository contains pre-built tools for backing up & restoring the original Game and Watch firmware. Both the Mario and Zelda variants are supported. When connecting the debugger ensure that at ...