Tag: gameboy
2 posts tagged with "gameboy".
Reading a Real Cartridge Through a Fake CH340
The console's USB host port met a GBFlash cartridge reader that pretends to be a CH340 serial chip. Three wrong theories, one packet-size discovery, and by the end of the day the firmware read a physical Game Boy cartridge's header and validated it.
The wire learns a second shape: Game Boy first light
Two days from a feasibility study to DMG code rendering pixel-perfect on the TV: picking an emulator core, passing Blargg and dmg-acid2 on the host, and teaching the console's SPI video wire to carry two frame geometries at once.