Welcome to TimexSinclair.com, your definitive resource for everything related to the Sinclair and Timex/Sinclair computers in the United States. From the groundbreaking Sinclair ZX81 that brought affordable computing to American homes in 1982, to the Timex/Sinclair 2068, we celebrate these remarkable machines that introduced a generation to the world of programming and digital innovation.

Timex/Sinclair

The American chapter—Timex brought Sinclair’s vision to U.S. homes.

Welcome to Timex/Sinclair.com
1982

Timex/Sinclair 1000

The U.S. version of the ZX81, available for under $100 at retail stores across America. This machine democratized computing in the United States.

1983

Timex/Sinclair 1500

Enhanced version of the Timex/Sinclair 1000 with 16K RAM built in, ZX Spectrum style case and keyboard.

1983

Timex/Sinclair 2068

Color graphics, sound capabilities, and a cartridge port made the 2068 the ultimate U.S. Sinclair experience with serious computing power.

Sinclair

The pioneering machines from Clive Sinclair that revolutionized home computing.

1980

Sinclair ZX80

The machine that started it all—revolutionary for its price point and brought computing to everyday people.

1981

Sinclair ZX81

The machine that brought computing to the masses. Sold over 1.5 million units worldwide—legendary affordability and hackability made it an icon.

1982

Sinclair ZX Spectrum

The ZX Spectrum brought vibrant color graphics and sound to the home computer market, selling over 5 million units worldwide.

1984

Sinclair QL

Sinclair’s ambitious 32-bit business computer. Multitasking OS, built-in Microdrives—ahead of its time with professional aspirations.

1987

Cambridge Z88

Sinclair’s ambitious 32-bit business computer. Multitasking OS, built-in Microdrives—ahead of its time with professional aspirations.

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We have a YouTube channel, active email list and more! We meet via Zoom on the first Monday and third Sunday of each month to chat about our favorite computers, projects and more. Each meeting is recorded and posted to YouTube. You can watch some of our most recent meetings below.

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Extended opinion column arguing that BASIC remains viable for amateur programmers across all platforms, including the Sinclair range. Harmer discusses migration paths to Pascal (HiSoft Pascal on TS2068, Partial Pascal for ZX-81/TS1000, Turbo Pascal for IBM) and the importance of distributing BASIC source code for educational purposes rather than compiling and distributing binaries only. Reviewsarticle, orig pub: 03.14.26, updated: 03.14.26
Discussion of technical compatibility questions from around the community: interfacing a Commodore 64 disk drive to the TS2068 (reportedly attempted by an Ohio group per SLIX); TurboPascal 4.0-5.5 CASE/LONGINT compiler bug and fix (use IF..THEN..ELSE instead); MS-DOS version 3.x compatibility issues for compiled programs; searching for a public domain program to read CP/M disks fromarticle, orig pub: 03.14.26, updated: 03.14.26
Curated list of active Timex/Sinclair hardware and software suppliers: TK Computerware (QL software, North Stanford Kent UK); Lloyd Dreger (3 machine code books for TS2068, Butler WI); Pyramid Electronics (TS1000 and TS2068 software, Sarasota FL); Bottle Cap Software (OS-64 programs for TS1000/TS2068 including Checkbook Balancer and Credit Card Payer at $6 each, Cincinnati OH); ATarticle, orig pub: 03.14.26, updated: 03.14.26
Reports new contacts for Sinclair SIGs discovered via SLIX: G. Granger in New Carlisle, Ohio, and Pittsburgh Area Computer Club Sinclair SIG (R. Vasko, Donora PA). Notes these are informal leads rather than official SIG representatives. Also reports that the Boston TSUG separation from Boston Computer Society is confirmed but no new mailing address yetarticle, orig pub: 03.14.26, updated: 03.14.26
Updates on Timex/Sinclair periodicals: SyncWare News/Quantuum Levels selling back issues at $3 each before closing (lost ~$5,000); Time Designs Vol.5 No.2 now available; Update Disk System Magazine subscription details ($18/yr for TS2068, QL, and Z-88 content); and Byte Power cassette magazine pricing (demo $3, 6 issues $32, also offering TS1000 programs, fast-load utility for TS2068,article, orig pub: 03.14.26, updated: 03.14.26
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