Original Apollo 11 Guidance Computer (AGC) source code for the command and lunar modules.

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

mal - Make a Lisp

An introduction to ARM64 assembly on Apple Silicon Macs

Virtual Apollo Guidance Computer (AGC) software

FPGA Based Apollo Guidance Computer

Reverse engineered C64 assembler source code to recreate a bit for bit identical version of the original game.

Bare-metal Forth implementation for RISC-V

Using FASM (the Flat assembler) cross-platform (OSX/Linux)

ci assembler and disassembler

A Speech Synthesizer, SID Soundcard, MIDI IN SID+AY Synthesizer for the Amstrad CPC