Bibi the Game Boy Game.
Built with Z80 assembly and assembled with RGBDS
Install the RGBDS toolkit for your OS.
Run the following commands to build the gb ROM.
rgbasm -o bibi.obj bibi.z80
rgblink -m bibi.map -n bibi.sym -o bibi.gb bibi.obj
rgbfix -p 0 -v bibi.gb
Run the ROM in your favourite emulator.
Or even better, flash the ROM to a gb flash cart and play on real hardware. Derp Cart