A modern, scratch-built, open-source (GPLv3) alternative ROM BIOS for PC, XT, 8088 Clone or Turbo PCs.

Chrome's t-rex based bootsector game (512 bytes) written in 16-bit x86 assembly (now with 8086 support!)

A tiny but powerful VGA text mode font editor for DOS

A 16-bits x86 DOS Assembly library that provides many useful functions for developing programs. It has both VGA grapics functions as well as general purpose utilities. The main purpose of this library was to be able to implement simple DOS games (in Assembly) using VGA (320x200, 256 colors) display.

A real-time clock PC BIOS ROM for XT systems supporting many popular RTC ICs

Best way to learn x86 is by hacking it

86 dos operating System

512-byte boot sector remake of Bill Gates' DONKEY.BAS game from DOS 1.0

A hobby kernel developed from scratch using i8086 assembly

The very functional operating system

Sample COM Programs, Tools for Reverse Engineering and Analysis of MS-DOS malware

DOS toolset; optimizes CGA output for TV sets. Includes a boot-sector version for booter game support.

Operating System for x86

Programas en lenguaje ensamblador Intel8086, detalla explicaciones e incorpora videos.

Snake that fits in 512 bytes (boot sector size) written for x86 real mode.

Plasma in 115 bytes for DOS in FASM

A toy IA-32 operating system with a custom boot loader.

Dosbox 8086 Assembly Game inspired from Bomberman (Dyna Blaster)

Boot sector which loads OS loader on FAT12 and FAT16

An 8086 assembler and step debugger.