6502

A JavaScript NES emulator.

A latency-hating emulator of 8- and 16-bit platforms: the Acorn Electron, Amstrad CPC, Apple II/II+/IIe and early Macintosh, Atari 2600 and ST, ColecoVision, Enterprise 64/128, Commodore Vic-20 and Amiga, MSX 1, Oric 1/Atmos, Sega Master System, Sinclair ZX80/81 and ZX Spectrum.

Apple II emulator for Windows

PCjs Machines 1.0 (archived)

The original IBM PC and other machine emulations in JavaScript

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

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

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

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

Javascript BBC micro emulator

Fully documented and annotated source code for the cassette version of Elite on the BBC Micro

Integrated Development Environment for the 8-bit Nintendo Entertainment System

A JSON parser written in 6502 assembly language.

Yet another 6502 emulator that one day dreams of being an Atari 2600.

A cycle-accurate, cross-platform NES emulator written in C++

Millfork: a middle-level programming language targeting 6502- and Z80-based microcomputers and home consoles

Port of LLVM to the MOS 6502 and related processors

Byte-aligned, efficient lossless packer that is optimized for fast decompression on 8-bit micros

Emulate 6502-based microcomputer systems in Python

All you need to start programming 6510 assembler for the Commodore 64 on Microsoft Windows or Linux.