Computers
Companies
- Timex Computer Corporation
  Timex brought the Timex Sinclair 1000, 1500 and 2068 to eager users in the early 1980s.
- Timex (TMX) Portugal
  The Timex facility in Portugal designed and produced computers, disk drive systems and more.
- Sinclair Research Ltd.
  Sinclair produced the first home computer available for under $200 and continued to develop innovative, unique home computers.
- All Companies
  All the companies that supported the Sinclair and Timex/Sinclair users in the United States.
Products
- Hardware
  Physical expansions to the Timex/Sinclair computers, including disk drives, modems, printers, RAM and more.
- Software
  Applications that run on the Timex/Sinclair computers, spanning from art and entertainment to business to games to home maintenance.
- Accessories & Miscellaneous
  Add-ons or products that don't strictly fall in the hardware or software category.
Publications
- Books
  All the books, commercial and small press, published about the Timex/Sinclair computers.
- Periodicals
  Find all the periodicals and articles about Timex/Sinclair computers, community and more here.
- Documents
  Manuals, press releases, and other documents.
Community
- People
  Learn about the people who made up the Timex/Sinclair community.
- User Groups
  User groups were a popular way to meet and network with other users.
- Events
  The community organized a number of events over the years.
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ZX81 Background Reverse

Authors

F. W. Picken

Publication

Electronics Today International

Publication Details

Volume: 7 Issue: 11

Date

November 1983

Pages

Circuit to invert ZX81 video signal, provides white on black.

Products

Downloadable Media

People

F. W. Picken

ZX81 Background Reverse

Products

Downloadable Media

Related Articles

Tags

People