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

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

OS for z80 calculators

Working draft of the proposed RISC-V V vector extension

Incompatible Timesharing System

Disassembly of Pokemon Yellow

Ping-Pong-like game in Assembly that works without OS

A simple, clean code, multi-tasking kernel written in pure Assembly language for 64-bit processors from the AMD64 family.

8-bit ATmega1284 retro computer

nes tetris training rom

A new 8086-based reimagining of PC DOS and BASIC

A futuristic DOS

Collection of Hello World programs written in multiple languages =D

A 16 bit operating system made from enthusiasts to enthusiasts with love

Simple example to show how x64 Assembler and Raylib work together

Systeme d'exploitation

Core Math functions for MS Windows

A repo of xOS the dead os project from @omarrx024

Atari ST tool to clean the Ghost virus

ACPI Shutdown Hack in 512 bytes of Assembly

The big project that I am most likely to finish.

A fast, tiny operating system for the PC.

x86 Assembly practice

Various tests of direct draw to VGA hardware on Atari ST

The Brownie Operating System

A toy OS with an own bootloader

Hello World programs written in multiple languages =D