A legacy BIOS only boot loader maintained by johneric.
An 8-bit puter on a breadboard
Ping-Pong-like game in Assembly that works without OS
Multijoy (4 player) bomberman like game for Atari XL/XE
Minesweeper game for Nintendo Entertainment System
ARM linux run shared library rundotso dlopen dlsym Inline Assembler
PrimOS is a 32bit multi-task OS, which is still under development.