---
title: "Letters"
type: "article"
slug: "letters-19"
url: "http://localhost/article/letters-19/"
markdown_url: "http://localhost/article/letters-19.md"
published_at: "2020-10-27T17:19:12+00:00"
modified_at: "2024-06-23T12:02:52+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "RUNning with Reduced RAM, Brick Busters, Help, Upgrading Problem, Inverse Matrix."
category:
  - name: "SYNC"
    slug: "sync"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/sync/"
post_tag:
  - name: "1984"
    slug: "year-1984"
    taxonomy: "post_tag"
    url: "http://localhost/tag/year-1984/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Brian Daniels"
    slug: "brian-daniels"
    taxonomy: "indiv"
    url: "http://localhost/indiv/brian-daniels/"
  - name: "Ed Haymore"
    slug: "ed-haymore"
    taxonomy: "indiv"
    url: "http://localhost/indiv/ed-haymore/"
  - name: "Glenn Osborn"
    slug: "glenn-osborn"
    taxonomy: "indiv"
    url: "http://localhost/indiv/glenn-osborn/"
  - name: "Jesse Peeler"
    slug: "jesse-peeler"
    taxonomy: "indiv"
    url: "http://localhost/indiv/jesse-peeler/"
  - name: "Peter Marinelli"
    slug: "peter-marinelli"
    taxonomy: "indiv"
    url: "http://localhost/indiv/peter-marinelli/"
  - name: "Robert Thompson"
    slug: "robert-thompson"
    taxonomy: "indiv"
    url: "http://localhost/indiv/robert-thompson/"
  - name: "Salvatore Cimmino"
    slug: "salvatore-cimmino"
    taxonomy: "indiv"
    url: "http://localhost/indiv/salvatore-cimmino/"
publication: "Sync"
publication_r:
  id: 10243
  title: "SYNC"
  type: "periodical"
  url: "http://localhost/periodical/sync-magazine/"
authors: "Ed Haymore; Salvatore Cimmino; J. L. Peeler; Brian Daniels; Peter Marinelli; Glenn Osborn; Robert Thompson"
volume: "4"
issue: "1"
issues_articles:
  - id: 26653
    title: "SYNC v4 n1"
    type: "issue"
    url: "http://localhost/issue/sync-v4-n1/"
pages: "4-6"
pubdate: "January/February 1984"
archive_link: false
volumeissue: "v4n1"
---

# Letters

RUNning with Reduced RAM, Brick Busters, Help, Upgrading Problem, Inverse Matrix.