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

Collection of malware source code for a variety of platforms in an array of different programming languages.

Dozens of minimal operating systems to learn x86 system programming. Tested on Ubuntu 17.10 host in QEMU 2.10 and real hardware. Userland cheat at: https://github.com/cirosantilli/linux-kernel-modu…

A book teaching assembly language programming on the ARM 64 bit ISA. Along the way, good programming practices and insights into code development are offered which apply directly to higher level la…

flat assembler 1 - reconstructed source history

Todo Web Application in flat assembler

Under 200 loc HTTP server in Assembly (+ react server components implementation in assembly)

Automated svn2git mirror of avr-libc - link goes to upstream

Advents of Code in NASM x86_64 assembly