---
title: "2068-Leap-Forth"
id: 71842
type: "computer_media"
slug: "2068-leap-forth"
url: "http://localhost/computer_media/2068-leap-forth/"
markdown_url: "http://localhost/computer_media/2068-leap-forth.md"
published_at: "2026-10-17T13:01:16+00:00"
modified_at: "2026-10-17T13:01:17+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "A from-scratch Forth that replaces the TS2068 system ROM, built on the 2068-Leap hardware kernel: a real keyboard line editor, floating point with SIN, COS and SQRT, and its own dictionary and error handling. Release files 2068-Forth-latest.zip2068-Forth-latest.zip.sha2562068-Leap-Forth-latest-source.zip (source code)"
category:
  - name: "Archived Media"
    slug: "archived-media"
    taxonomy: "category"
    url: "http://localhost/category/archived-media/"
post_tag:
  - name: "Downloadable"
    slug: "downloadable"
    taxonomy: "post_tag"
    url: "http://localhost/tag/downloadable/"
  - name: "Forth (programming language)"
    slug: "forth"
    taxonomy: "post_tag"
    url: "http://localhost/tag/forth/"
  - name: "TS 2068"
    slug: "ts2068"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts2068/"
model:
  - name: "Timex/Sinclair 2068"
    slug: "ts-2068"
    taxonomy: "model"
    url: "http://localhost/model/ts-2068/"
indiv:
  - name: "Charlie Day"
    slug: "charlie-day"
    taxonomy: "indiv"
    url: "http://localhost/indiv/charlie-day/"
genre:
  - name: "Forth (programming language)"
    slug: "forth-programming-language"
    taxonomy: "genre"
    url: "http://localhost/type/forth-programming-language/"
media_type: "Firmware"
programmers:
  - name: "Charlie Day"
    slug: "charlie-day"
    taxonomy: "indiv"
    url: "http://localhost/indiv/charlie-day/"
download_url: "https://archive.org/download/timex-sinclair-contemporary-releases/nchiker-2068-Leap-Forth/latest/2068-Forth-latest.zip"
mediadate: "2026"
media_type_tags: "Forth (programming language)"
repo_url: "https://github.com/nchiker/2068-Leap-Forth"
release_version: "latest"
release_date: "2026-09-13"
license: "MIT"
mirror_basis: "license"
mirror_ref: "latest (fff5259)"
mirror_date: "2026-10-17"
web_app_path: "/tsrun/?rom=leapforth"
---

# 2068-Leap-Forth

A from-scratch Forth that replaces the TS2068 system ROM, built on the 2068-Leap hardware kernel: a real keyboard line editor, floating point with SIN, COS and SQRT, and its own dictionary and error handling.

### Release files

- [2068-Forth-latest.zip](https://archive.org/download/timex-sinclair-contemporary-releases/nchiker-2068-Leap-Forth/latest/2068-Forth-latest.zip)
- [2068-Forth-latest.zip.sha256](https://archive.org/download/timex-sinclair-contemporary-releases/nchiker-2068-Leap-Forth/latest/2068-Forth-latest.zip.sha256)
- [2068-Leap-Forth-latest-source.zip](https://archive.org/download/timex-sinclair-contemporary-releases/nchiker-2068-Leap-Forth/latest/2068-Leap-Forth-latest-source.zip) (source code)