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"PETTIL - Forth for the Commodore PET" by Charlie Hitselberger

16th July 2014 at 8:45am

A fast Forth interpreter for the Commodore PET, written in 6502 assembly language. The TiddlyWiki containing program documentation is automatically generated from the source code: see

Objectives of the project are, in no particular order:

  • make a Forth that runs on my Commodore PET 2001
  • have fun
  • improve my "6502 assembly golf" skills
  • find other people who are interested in this project