Kladu odpory

Kladu odpory

Share this post

Kladu odpory
Kladu odpory
Reverse-Engineered GEOS 2.0 for C64 Source Code

Reverse-Engineered GEOS 2.0 for C64 Source Code

Martin Maly's avatar
Martin Maly
Aug 20, 2016
∙ Paid

Share this post

Kladu odpory
Kladu odpory
Reverse-Engineered GEOS 2.0 for C64 Source Code
Share

The GEOS operating system managed to clone the Macintosh GUI on the Commodore 64, a computer with an 8 bit CPU and 64 KB of RAM. Based on Maciej Witkowiak's work, I created a reverse-engineered source version of the C64 GEOS 2.0 KERNAL for the cc65 compiler suite: https://github.com/mist64/geos The…

Source: Reverse-Engineered GEOS 2.0 for C64 Source Code

Keep reading with a 7-day free trial

Subscribe to Kladu odpory to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Martin Maly
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture

Share