jdah/tetris-os
Video with an explanation of the development process. It's Tetris. 32-bit (x86) Fully custom bootloader Soundblaster 16 driver Custom music track runner Fully hardcoded tetris theme Double-buffered 60 FPS graphics at 320x200 pixels with custom 8-bit RGB palette NOTE: This has only been tested in an emulator. Real hardware might not like it.
https://github.com/jdah/tetris-os