The Authoritative Website for Timex/Sinclair Computers
The Authoritative Website for Timex/Sinclair Computers
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.
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.
Fort Worth user group history, semiconductor fab war stories, the 2060 expansion board project, a Baudot telegraph keyboard interface, Joust for the ZX81, and a rescued tape.video, orig pub: 05.17.26, updated: 05.17.26
This music player for the TS2068 reads ProTracker 2 / Vortex Tracker II songs and plays them through the onboard AY-3-8912.video, orig pub: 05.17.26, updated: 05.17.26
We look at the N-Go Spectrum Next clone from Spain, a PC-8300 ZX81 clone, and various tools for converting images to retro computing styles.video, orig pub: 05.17.26, updated: 05.17.26
The Z80 has three Interrupt modes (IM) two of which are of special interest to the programmer. An “interrupt” is a signal sent to the microprocessог, which generally suspends the execution of the current program without the program being aware of it. IM1 is the normal operating mode for the TS2068 and when an interrupt…article, orig pub: 09.13.22, updated: 05.12.26