13h
There are 3 repositories under 13h topic.
mach-kernel/spcbrd
DOS 13h flappy bird style game, in space, written entirely on a Toshiba Libretto 50CT.
qroph/mand.asm
A Mandelbrot set generator
wille-io/13h
Quick and dirty Mode 13h playback application written in Qt. Useful for running Doom without any syscalls but writing every frame into separate files. Not even mapped to the 256 color palette.