4-Stack Forth

Quick Help

Type help to see all available words with documentation and stack effects. Add a word to the stack like s" dup" and then run doc to see documentation for that word.

Stack Focus: Use focus.red, focus.teal, focus.blue, or focus.yellow (or focus.1, focus.2, focus.3, focus.4) to switch which stack operations target. Currently focused: Red (1)

Data Stacks

Stack 1 (Red)

Stack 2 (Teal)

Stack 3 (Blue)

Stack 4 (Yellow)

Command Input

Press Enter to execute commands

Output