---
title: "8K BASIC ROM"
id: 11670
type: "product"
slug: "8k-basic-rom-2"
url: "http://localhost/product/8k-basic-rom-2/"
markdown_url: "http://localhost/product/8k-basic-rom-2.md"
published_at: "2019-11-30T01:13:01+00:00"
modified_at: "2026-03-22T13:23:06+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Upgrade ZX-80 compatible 4K ROM to ZX-81 compatible 8K ROM. The MicroAce scrambled several data lines, so it requires an equally scrambled ROM."
category:
  - name: "ROM"
    slug: "rom"
    taxonomy: "category"
    url: "http://localhost/category/hardware/rom/"
post_tag:
  - name: "Comp Shop Ltd."
    slug: "comp-shop-ltd"
    taxonomy: "post_tag"
    url: "http://localhost/tag/comp-shop-ltd/"
  - name: "MicroAce"
    slug: "microace"
    taxonomy: "post_tag"
    url: "http://localhost/tag/microace/"
model:
  - name: "MicroAce"
    slug: "microace"
    taxonomy: "model"
    url: "http://localhost/model/microace/"
genre:
  - name: "Hardware"
    slug: "hardware"
    taxonomy: "genre"
    url: "http://localhost/type/hardware/"
  - name: "ROM"
    slug: "rom"
    taxonomy: "genre"
    url: "http://localhost/type/rom/"
company:
  id: 10740
  title: "Comp Shop, Ltd."
  type: "company"
  url: "http://localhost/company/comp-shop-ltd/"
price: 35
date: 1981
rarity: "Uncommon"
articles:
  - article:
      id: 24260
      title: "Resources (Sync v1 n4)"
      type: "article"
      url: "http://localhost/article/resources-sync-v1-n4/"
companies_products:
  - id: 11104
    title: "MicroAce"
    type: "company"
    url: "http://localhost/company/microace/"
  - id: 10740
    title: "Comp Shop, Ltd."
    type: "company"
    url: "http://localhost/company/comp-shop-ltd/"
---

# 8K BASIC ROM

Upgrade ZX-80 compatible 4K ROM to ZX-81 compatible 8K ROM. The MicroAce scrambled several data lines, so it requires an equally scrambled ROM.