Commodore 64 FORTH: durexforth

durexforth running on VICE Commodore 64 emulator

This will be a short post, since I’ve only been playing around with durexforth for a few minutes so far. But some things I already like about durexforth:

  • Is coded for the great retro Commodore 64 PC
  • Is licensed under a free software license (MIT License)
  • Was pretty easy to build: only dependencies are make, gcc, and the ACME compiler from sourceforge. I used gcc 10.3.0 and the latest ACME SVN checkout (r319) from https://sourceforge.net/p/acme-crossass/code-0/HEAD/tree/trunk/.
  • Implements the words for the 2012 FORTH standard.

As you see in the above screenshot, you can use the % prefix to designate binary input, which is great.

Screenshot from the durexforth tutorial video

Here are the word listings:

Word list page 1

Word list page 2

I’m in the process of installing the texlive Guix package so I can try to build he durexforth PDF documentation and learn more about this FORTH. Some additional gratuitous screenshots of me playing around in durexforth:

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