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.

Explore the T/S1000
1983

Timex/Sinclair 1500

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

Explore the T/S1500
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.

Explore the T/S2068

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.

Explore the ZX80
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.

Explore the ZX81
1982

Sinclair ZX Spectrum

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

Explore the ZX Spectrum
1984

Sinclair QL

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

Explore the QL
1987

Cambridge Z88

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

Explore the Z88

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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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In this installment of CIDS, we will develop six essential routines. The only routine that is not a command is the error report routine. Also, as all programs are prone to revisions and extensions, the error routine may not reflect future versions, since the error routine takes memory that could be used for another command.article, orig pub: 02.15.26, updated: 02.15.26
company, orig pub: 05.30.22, updated: 02.15.26
The concept of a Completely Interactive Database System (CIDS) that has been implemented on a micro-computer is interesting in that this type of environment Is normally only found on mainframe computers. What I hope to do is cover the various aspects of implementing just such a system in the next few issues.article, orig pub: 10.27.20, updated: 02.15.26
SOFTWARE LO-RES is a machine-language utility program for the ZX81/TS1000/TS1500, which creates enlarged characters on the screen. This makes it useful for any persons with a visual handicap. Since it also allows fast moving screen displays; it is useful for any number of programs where a flashy screen is desired. You may want to consider…article, orig pub: 02.15.26, updated: 02.15.26
Thanks to Peter McMullin, we now have a “Print an ASCII character” routine for the Centronics interface from EPROM Services in England.article, orig pub: 02.15.26, updated: 02.15.26
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