64FORTH is an implementation of the FORTH programming language. It is a super-set of fig-FORTH. It uses the Commodore file-system and has many functions that access the C64 hardware including sound and graphics. It occupies 16k of cartridge memory from $8000-BFFF and comes with a comprehensive manual.  64FORTH was written by Tom Zimmer and published by HES software in 1983.

Included in this archive is the complete manual in a .txt file.