Microsoft BASIC for 6502 Microprocessor - Version 1.1

Web server for Linux written in amd64 assembly.

bootOS is a monolithic operating system in 512 bytes of x86 machine code.

Source code and data of Second Reality by Future Crew in 1993

Official repository for 8086tiny: a tiny PC emulator/virtual machine

sectorforth is a 16-bit x86 Forth that fits in a 512-byte boot sector.

Fully documented and annotated source code for Elite on the Nintendo Entertainment System (NES)

IP65 - a TCP/IP stack for 6502 based computers

A patch for Commodore 64 and Plus/4 Elite that removes the flicker

A Subroutine Threaded Code (STC) ANS-like Forth for the 65c02

Word Writer 6 for the Commodore 64 Source Code - 6502 Assembly Language (C) 1983 - 1991

8086tiny interpreter by Adrian Cable, taken from http://www.megalith.co.uk/8086tiny/

Reconstructed source code for the Microprose game F-15 Strike Eagle 2 for MS-DOS

BBC Elite source for BeebAsm assembler

Minimal FORTH interpreter for 64-bit Linux systems. Based on jonesforth.

Enhancements to the Atari ST version of Stunt Car Racer to support STE hardware features

A minimal Commodore 64 Datasette program loader

Stunt Car Racer port to BBC Master

Ultimate Tron II is a game for the Commodore 64

Reverse engineering the data files and code of the german CRPG "Die Dunkle Dimension" on C64

GLFrontier's (Frontier: Elite II's OpenGL port), lightly modified to build on a modern 64-bit linux machine