🤓🕹💾 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.

emulator mos6502 emulation commodore c64 commodore-64 retrocomputing 6502 6502-assembly commodore64 6502-disassembly commodore-basic c64-emulator

• Updated Oct 15, 2023
• C#

Reformat and enhance with explanations, Commodore BASIC programs to make them more readable

basic dotnet c64 commodore-64 commodore-basic

• Updated Aug 8, 2019
• C#

Just for the fun of it - retro computer programming (Commodore Basic)

commodore-64 basic-programming cbm-basic commodore-basic cbm-prg-studio

• Updated Dec 13, 2023
• FreeBASIC

Display C64 keyboard matrix, showing which keys are pressed.

commodore-64 assembly-6502 commodore-basic assembly-6510

• Updated Oct 14, 2023
• Assembly

Archetype [ca65, Commodore 64]: PRG with Basic header to execute assembly code.

commodore-64 assembly-6502 commodore-basic assembly-6510

• Updated Oct 14, 2023
• Assembly

A example program designed for commodore basic v2!

basic commodore-basic

• Updated Oct 29, 2021
• BASIC

C64 game domino-empire

basic commodore-64 commodore-basic

• Updated Nov 16, 2022
• BASIC

Pre-processor for Commodore BASIC cross-development that introduces some modern language features and optimisations

commodore commodore-64 commodore-pet basic-programming commodore-16 commodore-128 commodore-basic commodore-plus4

• Updated Jun 1, 2026
• Kotlin

Dump ROM from a Commodore 1541, 1571 or 1581 drive

commodore-64 commodore-basic commodore-1541

• Updated Jan 2, 2026
• QuickBASIC

A game of 20 BASIC lines, created in 1989 on C64

assembly commodore-64 commodore-basic

• Updated Jan 6, 2021