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

Continuous Unix commit history from 1970 until today

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…

An experiment.

A cross-platform x86 assembler with an Intel-like syntax

Web server for Linux written in amd64 assembly.

CPU miner for Litecoin and Bitcoin

Virtual Apollo Guidance Computer (AGC) software

OS for z80 calculators

Monospaced bitmap fonts

The development kit for over a hundred z80 family machines - c compiler, assembler, linker, libraries.

A tiny bootable Minecraft clone written partly in x86 assembly

Floppy Bird (OS)

MOVED TO: https://cirosantilli.com/linux-kernel-module-cheat/userland-assembly with code at https://github.com/cirosantilli/linux-kernel-module-cheat/tree/master/userland/arch/x86_64 SEE README. x8…

Source code for 'Low-Level Programming' by Igor Zhirkov

This project was put together to teach myself NASM x86 assembly language on linux.

Collection of ancient computer virus source codes

Arithmetic calculator in x86 assembly

Pure64 is a kernel/software loader for x86-64 systems.

An iOS app in assembly

A project to resurrect Unix on the PDP-7 from a scan of the original assembly code

Assembly Programming and Computer Architecture for Software Engineers

3D rail shooter written in ARM assembly

Fully annotated disassembly of the original Metal Gear game (MSX2, Konami, 1987, RC750)

🏳️‍🌈 A "Hello World" NES ROM with fully-commented 6502 assembly-language source code.

A minimalist HTTP server for Linux, written in x86_64 assembly

A tutorial for 16-bit, x86 assembly language-based game programming

Source code for 'Modern X86 Assembly Language Programming' by Daniel Kusswurm