!!! English Software Company FORTH

Seems to be based an FIG-FORTH, but with some unique "Words". Requires an Atari 400/800 OS (non-XL) or Oldrunner Disk.

[PDF Manual|English Software Company FORTH/es_forth.pdf]

[JPEG scans of the ES Forth manual|http://www.atarimania.com/utility-atari-400-800-xl-xe-es-forth_s13827.html]