A JavaScript NES emulator.

The original IBM PC and other machine emulations in JavaScript

Apple II emulator for Windows

Qt-based Nintendo Entertaiment System emulator and NSF/NSF2/NSFe Music Player (Linux, FreeBSD, OpenBSD and Windows)

Ultimate Commodore 64 Reference: ROM Disassembly, Memory Map, ...

Compile Java byte-code to native CPU's.

Port of LLVM to the MOS 6502 and related processors

Ted Fried's MicroCore Labs Projects - FPGA CPU cores and emulators for the 8088, 8086, 8051, 6502, 68000, Z80, Risc-V, and also Typewriter and EPROM Emulator projects. MCL51, MCL64, MCL65, MCL65+, MCL68, MCL86, MCL86+, MCL86jr, MCLR5, MCLZ8, MCL6809, XTMax, MCL8080+

Fully documented source code for the cassette version of the classic game Elite on the BBC Micro

Self-hosting metacompiled Forth, bootstrapping from a few lines of C; targets Linux, Windows, ARM, RISC-V, 68000, PDP-11, asm.js.

PCjs Machines 1.0 (archived)

Fully documented source code for the classic game Elite on the Commodore 64

NES/Famicom emulator with P2P network multiplayer and WASM support

Fully documented source code for the classic game Elite on the Nintendo Entertainment System (NES)

Another NES Emulator - written for fun & learning - first implementation of wideNES

Javascript BBC micro emulator

SDK for developing with the llvm-mos compiler

Integrated Development Environment for the 8-bit Nintendo Entertainment System

Disassembly of the Apple II Desktop - ProDOS GUI

Apple ][ emulator for MS-DOS, written in 8088 assembly