Recent additions and updates to TimexSinclair.com
Recently added or updated Articles
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. Reviews…article, 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 from…article, 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); AT…article, 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 yet…article, 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
Recently added or updated Books
Over 200 pages of educational material, written to be used as a self-teaching course in beginning machine code. Many examples and tips.book, orig pub: 04.05.20, updated: 03.13.26
Subtitle: The only book you’ll ever need to become an expert at the Timex/Sinclair 1000 and 2000book, orig pub: 04.05.20, updated: 03.13.26
Practical programs to do real jobs in a variety of environments. Included is a bulk storage program, word processing, financial applications, banking uses, plus educational programs. Author pushes the ZX81 and casts aside the idea that it is too small for any real computing work.book, orig pub: 04.05.20, updated: 03.13.26
Subroutines for applied math and plotting routines, for both TS 1000 and TS 2068. Available with cassette.book, orig pub: 10.18.20, updated: 02.15.26
30 games ranging from fortune telling programs to simulation of the ecosystem.book, orig pub: 04.05.20, updated: 01.24.26
Recently added or updated Companies
While the Timex Corporation is best known for its watches, it also produced a number of other products since its inception as a clock company in the mid-1800s. During World War II, the company produced fuse timers for defense products, continuing through the 1950s and the Korean war. After the Korean war ended, Timex expanded…company, orig pub: 06.19.19, updated: 03.13.26
company, orig pub: 05.30.22, updated: 02.15.26
company, orig pub: 06.19.19, updated: 01.15.26
company, orig pub: 06.19.19, updated: 01.12.26
company, orig pub: 06.19.19, updated: 01.06.26
Recently added or updated Computer Media
computer_media, orig pub: 10.05.24, updated: 03.08.26
Name and address program.computer_media, orig pub: 10.05.24, updated: 03.08.26
Billboard, Horizontal Scroll, Verti-Scroll.computer_media, orig pub: 09.22.24, updated: 03.08.26
Program to accompany Brad Bennett’s speech recognition article published in Sync magazine.computer_media, orig pub: 10.26.24, updated: 03.08.26
Early database program.computer_media, orig pub: 10.26.24, updated: 03.08.26
Recently added or updated Documents
QRL is for those who have modems and wish to decode or encode RLE files quickly. An RLE file is a run-length-encoded ASCII file that represents a picture of 256 X 192 resolution.document, orig pub: 06.04.24, updated: 02.24.26
document, orig pub: 11.05.22, updated: 02.02.26
document, orig pub: 02.02.26, updated: 02.02.26
This 2026 calendar features converted images of classic Timex and Sinclair hardware, with each image carefully optimized for the ZX Spectrum SCREEN$ format and monochrome printing on the Sinclair ZX Printer 2040. The images were converted using a modified version of Anders Tornblad’s ZX Spectrumizer. The original converter rendered dark colors using PAPER rather than…document, orig pub: 01.15.26, updated: 01.15.26
Cleaned up and reformatted by Tim Swenson in 2026.document, orig pub: 01.14.26, updated: 01.14.26
Recently added or updated Events
User Groups Vendorsevent, orig pub: 02.14.23, updated: 03.12.26
event, orig pub: 03.30.23, updated: 02.08.26
Vendorsevent, orig pub: 11.27.25, updated: 11.27.25
Fourth annual event. Held at the Hara Arena in Dayton, Ohio on August 28th and 29th. Tim Swenson hosted the first of several after-fest BBQs at his house in Dayton this year. Several of the attendees appear in the photos below.event, orig pub: 03.30.23, updated: 02.24.24
Organized by Tim Swenson, the West Coast Sinclair Show was held in Union City, CA, on 5 June 1999, one week after the East Coast Sinclair Show. Vendors The key visitor to the show was the renowned author Stan Kelly-Bootle, writer of many computer books, including the “Devil’s DP Dictionary”, and the holder of the…event, orig pub: 07.04.21, updated: 07.10.23
Recently added or updated Periodicals
Newsletter of the Greater Cleveland Sinclair Users Group.periodical, orig pub: 07.10.22, updated: 03.13.26
Newsletter of the Sinclair Milwaukee Users Group (SMUG).periodical, orig pub: 10.02.21, updated: 03.12.26
Newsletter published by Curry Computer for the Sinclair QL.periodical, orig pub: 05.30.22, updated: 02.14.26
Fan-produced magazine for Sinclair QL owners. IQLR was produced using a Sinclair QL with a Super Gold Card, Minerva ROM, Hermes co-processor, QIMI and Keyboard-90 interfaces, Text87 and Hewlett Packard inkjet and laserjet printers.periodical, orig pub: 10.30.20, updated: 02.08.26
Cassette-based magazine supplied with several programs per tape.periodical, orig pub: 03.17.22, updated: 01.24.26
Recently added or updated Products
You are about to be sent on a mission through treacherous enemy territory. As commander of the Penetrator, one of the most powerful and advanced ships yet developed, you will travel through torturous landscapes and tunnels on your hazardous expedition. To complete your trek and accomplish your mission, destroy the enemy neutron bomb installation or…product, orig pub: 01.07.20, updated: 02.11.26
Terminal program that offers 40, 60 and 80-column mode on the ZX81/TS 1000. Supports data transfers, full ASCII support, printer support and more. Requires M1 NOT adapter. 32K or more RAM recommended. Also available on EPROM for use with the IF/Firmware Card.product, orig pub: 11.29.19, updated: 02.11.26
Carrying cases custom molded for TIMEX Corporation. They resemble small attache cases, approximately 13 1/2″ x 10″ x 3 1/2″, have a black leather-like texture, distinctive Timex/Sinclair logo, and feature small fold—away carrying handles. Each case has seven individual compartments for the following items: Only 2,000 were produced.product, orig pub: 01.20.20, updated: 02.02.26
OS-64 is a ROM that supports the Timex/Sinclair’s 64-column mode. It is fully compatible with 32 column commands and functions. The original Zebra manual is available on archive.org. OS-64 is supplied on cartridge. Insert in the TS2068’s cartridge slot (with the power turned off), then turn your computer on. The boot screen will be black…product, orig pub: 11.30.19, updated: 02.02.26
24K program has many built-in features (including tri-base arithmetic) and printer drivers. Available on tape ($9.95) or EPROM ($39.95)product, orig pub: 06.05.22, updated: 02.02.26
Recently added or updated User Groups
President: Michael E. CarverVice-President: Bill DunlopSecretary: Jack ArmstrongTreasurer: Rod GowenLibrarian: Gaylen Benchusergroup, orig pub: 02.01.20, updated: 03.13.26
Presidents: Neal Schultz, Bill HeberleinVice President: Bill Heberlein, Neal SchultzSecretary: Lloyd Dreger, Bud DankertTreasurer: Judy Frohboese, Dick CulticeDirector of Education: Dick Culticeusergroup, orig pub: 02.01.20, updated: 03.12.26
usergroup, orig pub: 10.28.20, updated: 02.22.26
Website: https://web.archive.org/web/20161116054906/http://ncmedals.com/catug/ The user group had a BBS, using software written and maintained by Bob Swoger and hosted by his employer, Motorola. It was hosted on Digital Equipment Corporation minicomputers. Initially hosted on a PDP 11/23, it later moved to a PDP 11/60. When the PDP went down in 1990, Swoger migrated the BBS to…usergroup, orig pub: 02.01.20, updated: 02.12.26
President: Chuck DawsonVice-President: Frank BouldinSecretary: Fred StocktonTreasurer: Ellis Saunders The Timex/Sinclair Users Group of Fort Worth merged with the Dallas Timex/Sinclair/Amstrad Users Group in 1987.usergroup, orig pub: 02.01.20, updated: 02.04.26
Recently added or updated Videos
On this 42nd anniversary of Timex's departure from the computer industry, we discussed the announcement, the context and the impact on us individually and the community.video, orig pub: 02.22.26, updated: 02.22.26
We discussed custom keycaps for a full-size keyboard for the ZX81/TS1000, Carl and Ingo's work on getting Carl's new full-featured TS1000 going and more.video, orig pub: 02.22.26, updated: 02.22.26
Chris Boisvert, one of the original creators of Byte Power 1st Class Magazine, joined us. He explained how he and his brother Eric started the publication in 1986, aiming to produce high-quality content for Timex Sinclair 2068 users.video, orig pub: 02.22.26, updated: 02.22.26
We discussed VCF event planning, ham radio technology, Spectrum Next FPGA replicas, Jupiter Ace computers, retro computing alternatives, and Eastern Bloc computer history.video, orig pub: 01.13.26, updated: 01.13.26
In this meeting, we reviewed the history of the Timex Computer Corporation and development of the Timex/Sinclair 1000, Timex/Sinclair 1500 and Timex/Sinclair 2068 computers. David presented material from documents preserved by Lon Hildreth and others.video, orig pub: 12.21.25, updated: 01.13.26