---
title: "In and Out of Machine Language"
type: "article"
slug: "in-and-out-of-machine-language"
url: "http://localhost/article/in-and-out-of-machine-language/"
markdown_url: "http://localhost/article/in-and-out-of-machine-language.md"
published_at: "2020-10-27T21:12:05+00:00"
modified_at: "2024-06-23T00:45:06+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "When you use machine language programs, you have no keys to press directly. So we need to tell the machine to RUN a machine language program, and to tell it to STOP."
category:
  - name: "Syntax"
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    taxonomy: "category"
    url: "http://localhost/category/periodicals/syntax/"
post_tag:
  - name: "1981"
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    url: "http://localhost/tag/year-1981/"
  - name: "Machine language programming"
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    url: "http://localhost/tag/machine-language/"
  - name: "Tutorial"
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  - name: "ZX80"
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  - name: "ZX81"
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    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX80"
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    url: "http://localhost/model/zx80/"
  - name: "Sinclair ZX81"
    slug: "zx81"
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    url: "http://localhost/model/zx81/"
publication: "Syntax"
publication_r:
  id: 10246
  title: "Syntax"
  type: "periodical"
  url: "http://localhost/periodical/syntax/"
volume: "2"
issue: "8"
issues_articles:
  - id: 26700
    title: "Syntax/Syntax ZX80 v2 n8"
    type: "issue"
    url: "http://localhost/issue/syntax-syntax-zx80-v2-n8/"
pages: "5"
pubdate: "August 1981"
archive_link: false
volumeissue: "v2n8"
---

# In and Out of Machine Language

When you use machine language programs, you have no keys to press directly. So we need to tell the machine to RUN a machine language program, and to tell it to STOP.