There are 24 repositories under 6502 topic.
Qt-based Nintendo Entertaiment System emulator and NSF/NSF2/NSFe Music Player (Linux, FreeBSD, OpenBSD and Windows)
Compile Java byte-code to native CPU's.
Fully documented and annotated source code for the cassette version of 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.
Ted Fried's MicroCore Labs Projects which include microsequencer-based FPGA 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
NES/Famicom emulator with P2P network multiplayer and WASM support
Another NES Emulator - written for fun & learning - first implementation of wideNES
Fully documented and annotated source code for Elite on the Commodore 64
Fully documented and annotated source code for Elite on the Nintendo Entertainment System (NES)
Integrated Development Environment for the 8-bit Nintendo Entertainment System
SDK for developing with the llvm-mos compiler
Millfork: a middle-level programming language targeting 6502- and Z80-based microcomputers and home consoles
Byte-aligned, efficient lossless packer that is optimized for fast decompression on 8-bit micros
A language-agnostic JSON-encoded instruction-by-instruction test suite for the 8088, 68000, 65816, 65[c]02 and SPC700 that includes bus activity.
An annotated disassembly with supplemental materials of the Contra (US) and Probotector NES game.
Nintendo Entertainment System (NES) / Famicom / Famiclones chip reversing
A Javascript NES Emulator