c64

Software Automatic Mouth - Tiny Speech Synthesizer

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

Compile Java byte-code to native CPU's.

VirtualC64 is a cycle-accurate C64 emulator for macOS

Sidekick64: A Versatile Software-Defined Cartridge for the C64, C128, C16, plus/4, and VIC20

SDK for developing with the llvm-mos compiler

The source from my Commodore 64 assembly programming tutorial for Windows

C64Studio is a .NET based IDE specializing in game development for the C64 in assembler and BASIC

Commodore 64 emulator written in Rust

SIDKick pico is an inexpensive dual-SID-replacement for the C64 and C128

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

Modern C64 Forth

RAD Expansion Unit for C64/C128

Collection of cartridges, adapters, and replacements for the Commodore C64

SIDKick -- the first complete SID 6581/8580-drop-in-replacement that you can build yourself

high level programming language and compiler targeting 6502 machines such as the C-64 and CommanderX16

A harness for the Diagnostic Rev. 586220 Test for the Commodore C64

Realtime cycle exact emulation of the C64 using multiple microcontrollers in parallel.

Commodore 64 OS running on Atari 8-bit hardware

Original sources and binaries for Supermon+64 V1.2 by Jim Butterfield