53 Open Source Commodore 64 Software Projects
Free and open source commodore 64 code projects including engines, APIs, generators, and tools.
C64 Devkit 139 ⭐
All you need to start programming 6510 assembler for the Commodore 64 on Microsoft Windows or Linux.
Millfork 142 ⭐
Millfork: a middle-level programming language targeting 6502- and Z80-based microcomputers and home consoles
Elite Harmless 52 ⭐
Disassembly (CA65) of the Commodore 64 port of the seminal space-sim Elite, by Ian Bell / David Braben.
Ultimateii Dos Lib 37 ⭐
cc65 library for accessing the DOS and network functions of the Ultimate II+ cartridge and Ultimate 64 motherboard
Petscii Bbs 31 ⭐
A Java framework for building highly customizable PETSCII-enabled BBS, accessible from Commodore 64/128
Deepsid 27 ⭐
The source codes for running DeepSID, a modern online SID player for the High Voltage and Compute's Gazette SID collections.
C64 Modulator Replacement 23 ⭐
A simple modulator replacement for Commodore 64s with "longboards", complements my Lumafix version as well adding an audio connector for second SID.
C64 Lumafix 17 ⭐
An easier to solder version of the Lumafix board, components spaced out a bit more to make things easier on the beginner (mostly meaning me).
Openc64megadrivepadadapter 18 ⭐
Safely connect your Sega Mega Drive/Genesis controllers to your Commodore 64 or Amiga
Kick C64 Dead Test 15 ⭐
Kick assembler personalized version of the C=64 rev. 781220 Dead Test + more
C64 Kernal Switcher 12 ⭐
Switchless kernal switcher for the common breadbin Commodore 64, "longboards". Reuses power LED for easier use.
64tass 11 ⭐
64tass - cross assembler for 6502 etc. microprocessors - by soci/singular - [git clone from the original sourceforge repo]
C64 Pi1541 Module 11 ⭐
I wanted an alternative to the SD2IEC on my Commodore 64, and I almost instantly took a liking to Pi1541 software. I did however need to design a board for it and this was the end result - even includes beepers, OLEDs and two IEC connectors
Arduino Usbretrogamingcontrollers 12 ⭐
Improve your retro gaming emulation experience by using the systems original controller.
Retro Computing 11 ⭐
🤓🕹💾 This hobby project contains software implementations of old microprocessors and complete computer systems. I'm very interested in retrocomputing and this is how I learn about the inner workings of these old, classic and amazing computers and game consoles.