---
title: "Beginning Z80 Machine Code"
type: "article"
slug: "beginning-z80-machine-code-3"
url: "http://localhost/article/beginning-z80-machine-code-3/"
markdown_url: "http://localhost/article/beginning-z80-machine-code-3.md"
published_at: "2024-01-07T21:58:44+00:00"
modified_at: "2024-05-26T13:29:04+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "This time we will discuss the I/O instructions. For those of you that are wondering what I/O means, it is Input and Output. When I was new to computerdom, I thought I/O referred to my financial status"
category:
  - name: "Time Designs Magazine"
    slug: "time-designs"
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    url: "http://localhost/category/periodicals/time-designs/"
post_tag:
  - name: "TS 1000"
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    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "Tutorial"
    slug: "tutorial"
    taxonomy: "post_tag"
    url: "http://localhost/tag/tutorial/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Syd Wyncoop"
    slug: "syd-wyncoop"
    taxonomy: "indiv"
    url: "http://localhost/indiv/syd-wyncoop/"
publication_r:
  id: 10277
  title: "Time Designs Magazine"
  type: "periodical"
  url: "http://localhost/periodical/time-designs-magazine/"
authors: "Syd Wyncoop"
volume: "3"
issue: "5"
issues_articles:
  - id: 36803
    title: "Time Designs Magazine v3 n5"
    type: "issue"
    url: "http://localhost/issue/time-designs-magazine-v3-n5/"
pages: "25-26"
pubdate: "July/August 1987"
archive_link: false
---

# Beginning Z80 Machine Code

This time we will discuss the I/O instructions. For those of you that are wondering what I/O means, it is Input and Output. When I was new to computerdom, I thought I/O referred to my financial status