nsreeen / pyforth

Forth implemented in python

Pyforth

A mini Forth implemented in Python. To visualize the stack go to: https://pyforth.herokuapp.com/visualizer

Terminal tool usage:

To run the REPL:

1. You must have python 3.5 installed
2. Save a copy of this directory locally (type git clone https://github.com/Nasreen123/Pyforth.git in your terminal)
3. Type python pyforth/pyforth.py from the root of the directory (don't go into a subfolder)

To interpret a Forth file and run the REPL:

1. Save the file in your copy of this directory
2. Type python pyforth/pyforth.py <filename>

Builtin words implemented so far:

.S DUP * + - = < >
OVER SWAP ROT DROP NIP TUCK 2DUP MOD
: ; ! @ ,
> R R> R@ R0
IF ELSE THEN DO LOOP I J
.D // prints the dictionary, only works in the terminal