---
title: "Technical Report: ZX Spectrum Modifications to U.S.A. Standards"
type: "article"
slug: "technical-report-zx-spectrum-modifications-to-u-s-a-standards"
url: "http://localhost/article/technical-report-zx-spectrum-modifications-to-u-s-a-standards/"
markdown_url: "http://localhost/article/technical-report-zx-spectrum-modifications-to-u-s-a-standards.md"
published_at: "2022-10-07T12:25:58+00:00"
modified_at: "2026-04-07T21:23:09+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
category:
  - name: "LISTing Newsletter"
    slug: "listing-newsletter"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/listing-newsletter/"
post_tag:
  - name: "Hardware project"
    slug: "hardware-project"
    taxonomy: "post_tag"
    url: "http://localhost/tag/hardware-project/"
  - name: "ZX Spectrum"
    slug: "zx-spectrum"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx-spectrum/"
model:
  - name: "Sinclair ZX Spectrum"
    slug: "zxspectrum"
    taxonomy: "model"
    url: "http://localhost/model/zxspectrum/"
indiv:
  - name: "Bob Gilder"
    slug: "bob-gilder"
    taxonomy: "indiv"
    url: "http://localhost/indiv/bob-gilder/"
publication_r:
  id: 38992
  title: "LISTing Newsletter"
  type: "periodical"
  url: "http://localhost/periodical/listing-newsletter/"
authors: "Bob Gilder"
issues_articles:
  - id: 40172
    title: "LISTing Newsletter March 1985"
    type: "issue"
    url: "http://localhost/issue/listing-newsletter-march-1985/"
pages: "13-15"
pubdate: "March 1985"
archive_link: false
---

# Technical Report: ZX Spectrum Modifications to U.S.A. Standards