A language-agnostic JSON-encoded instruction-by-instruction test suite for the 8088, 68000, 65816, 65[c]02 and SPC700 that includes bus activity.

Improved Apple //c (ROM 4X) and Apple IIc Plus (ROM 5X) firmware.

Apple ][ Emulator for Mac

A language-agnostic JSON-encoded instruction-by-instruction test suite for the 65[c]02 that includes bus activity.

6502/65C02 emulator library (C99)

Adds syntax highlighting to 65816/65C816/65802/6502/65C02 files in Atom, with extra support for various compilers.

A 65C816-based homebrew computer (prototype)

6502 based architecture for OpenComputers

Modular Backplane Computer

The Sorbus Computer is a very simple 65c02 computer for tinkering and learning

SYSMON65 is a full 2-pass assembler, with local and global labels, directives, and more. A 65C02 disassembler is included which includes Step-By-Step debugging (i.e., Tracing), memory dump, ASCII dump, fill, delete, block move, intel hex loader and more.

eXtremely Compact Interpreter - An adventure game engine for the Commander X16

Chase Vault: A new game for the Commander X16 retrocomputer.

OMEN Bravo / 65C02-based single board computer

An emulator of the 6502 processor written in Elixir with a focus on modern variants (65c02).

dflat is a BASIC-like language for 8-bit micros and retro computers running on 6502 and 65c02

An Intellij plugin for 6502 assembly projects (ca65 syntax)

Trying to build a 6502 based computer

Fake6502 with numerous bug fixes, plus fake65c02, a CMOS chip emulator. Public domain 6502 emulator and public domain 65c02 emulator.

Modular 8-bit computer designed around the 65C02 CPU and supporting I/O chips

A 65C02 Assembly eDSL in Haskell

Simple SBC based on 65c02s

Replacement AppleTalk boot blocks for Apple IIe Card for Macintosh LC.

Custom 6502 Video Game Console

Experimental 65C02 machine code interpreter/emulator/disassembler.

6522 / 65C22 VIA emulation library

Example game to compare performance of C, assembly, and Forth that runs on 65C02 emulator in browser

ACME 6502/65C02 Assembler

MG's utilities for the davex shell for Apple II ProDOS.

ToumaPet emulator