---
title: "The Box Trilogy"
type: "article"
slug: "the-box-trilogy"
url: "http://localhost/article/the-box-trilogy/"
markdown_url: "http://localhost/article/the-box-trilogy.md"
published_at: "2020-10-27T17:09:56+00:00"
modified_at: "2025-11-04T13:25:08+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "This program will put a box outline anywhere on the screen at machine code speed. A slight modification produced a program that will doodle."
category:
  - name: "T-S Horizons"
    slug: "t-s-horizons"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/t-s-horizons/"
post_tag:
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "Type-in program"
    slug: "type-in-program"
    taxonomy: "post_tag"
    url: "http://localhost/tag/type-in-program/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "C. Vernon Tidwell"
    slug: "c-vernon-tidwell"
    taxonomy: "indiv"
    url: "http://localhost/indiv/c-vernon-tidwell/"
publication: "T-S Horizons"
publication_r:
  id: 10247
  title: "T-S Horizons"
  type: "periodical"
  url: "http://localhost/periodical/t-s-horizons/"
authors: "C. Vernon Tidwell"
issue: "17"
issues_articles:
  - id: 26860
    title: "T-S Horizons n17"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n17/"
pages: "9"
pubdate: "February/March 1986"
archive_link: false
volumeissue: "vn17"
---

This program will put a box outline anywhere on the screen at machine code speed. A slight modification produced a program that will doodle.