---
title: "Decoder"
id: 12332
type: "product"
slug: "decoder"
url: "http://localhost/product/decoder/"
markdown_url: "http://localhost/product/decoder.md"
published_at: "2019-11-30T01:42:41+00:00"
modified_at: "2026-03-22T13:13:31+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Fits inside the ZX80/ZX81 and remaps internal RAM to 8-9K or 9-10K. For use with external RAM pack."
category:
  - name: "RAM"
    slug: "ram"
    taxonomy: "category"
    url: "http://localhost/category/hardware/ram/"
post_tag:
  - name: "John Oliger Co."
    slug: "john-oliger-co"
    taxonomy: "post_tag"
    url: "http://localhost/tag/john-oliger-co/"
  - name: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
genre:
  - name: "Hardware"
    slug: "hardware"
    taxonomy: "genre"
    url: "http://localhost/type/hardware/"
  - name: "RAM"
    slug: "ram"
    taxonomy: "genre"
    url: "http://localhost/type/ram/"
company:
  id: 10990
  title: "John Oliger Co."
  type: "company"
  url: "http://localhost/company/john-oliger-co/"
price: 5.95
date: 1982
rarity: "Uncommon"
adverts:
  - publication:
      - id: 26710
        title: "Syntax/Syntax ZX80 v3 n9"
        type: "issue"
        url: "http://localhost/issue/syntax-syntax-zx80-v3-n9/"
    advert_page: "22"
companies_products:
  - id: 10990
    title: "John Oliger Co."
    type: "company"
    url: "http://localhost/company/john-oliger-co/"
---

# Decoder

Fits inside the ZX80/ZX81 and remaps internal RAM to 8-9K or 9-10K. For use with external RAM pack.