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

*Archived because I am not permitted to make/accept changes for the foreseeable future* Improved Apple //c (ROM 4X) and Apple IIc Plus (ROM 5X) firmware.

Apple ][ Emulator for Mac

6502/65C02 emulator library (C99)

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

6502 based architecture for OpenComputers

Modular Backplane Computer

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

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.

Port of AppleWin Emulator with Native macOS UI

OMEN Bravo / 65C02-based single board computer

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

A 65C816-based homebrew computer (prototype)

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

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

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

A 65C02 Assembly eDSL in Haskell

An Intellij plugin for 6502 assembly projects (ca65 syntax)

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