https://github.com/jamesbowman/swapforth

Swapforth is a cross-platform ANS Forth
https://github.com/jamesbowman/swapforth

forth

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Swapforth is a cross-platform ANS Forth

• Host: GitHub
• URL: https://github.com/jamesbowman/swapforth
• Owner: jamesbowman
• License: bsd-3-clause
• Created: 2015-06-15T02:33:15.000Z (over 10 years ago)
• Default Branch: master
• Last Pushed: 2023-12-26T15:50:52.000Z (about 2 years ago)
• Last Synced: 2025-10-09T09:33:50.689Z (5 months ago)
• Topics: forth
• Language: Forth
• Homepage:
• Size: 7.26 MB
• Stars: 295
• Watchers: 35
• Forks: 58
• Open Issues: 34
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
![swapforth](/doc/swapforth1.png)

[![Build Status](https://travis-ci.org/jamesbowman/swapforth.svg?branch=master)](https://travis-ci.org/jamesbowman/swapforth)

[![Issue Stats](http://issuestats.com/github/jamesbowman/swapforth/badge/issue?style=flat-square)](http://issuestats.com/github/jamesbowman/swapforth)

Swapforth is a cross-platform 16- and 32-bit ANS Forth.

Currently supported hosts are:

 * J1a - minimal 16-bit FPGA CPU with 8K of memory [Demo](http://www.excamera.com/sphinx/article-j1a-swapforth.html)

 * J1b - 32-bit FPGA CPU with 32K of memory

 * FT900 - 32-bit 100 MHz CPU with 256K flash, 64K RAM

Simulated hosts include:

 * Python in 16-, 32- and 64-bit big- and little-endian

 * J1a and J1b under Verilator

## Recent changes:

### 2015-09-26

 * Both Python 2.x and 3.x are supported

 * The shell now runs on Windows, with and without [pyreadline](https://pypi.python.org/pypi/pyreadline)

 * The iCEstick port is now running at 48 MHz