What’s New?

To use the EPROM programmer discussed last month with the TS 1000/1500, you need to use the program listed here. Because the 1000/1500 does not have IN or OUT, a couple of short machine code routines appear in the REM statement of line 1. Memory location 16514 holds data to be outputted, and 16515 holds…article, orig pub: 09.13.22, updated: 06.11.26

A NEW MAGAZINE for the owners of Timex/Sinclair machines in the U.S. has been launched by ECC Publications, the publishers of Sinclair User. Timex/Sinclair User was launched in April and includes much the same mixture of reviews, projects and articles for which Sinclair User has become known. Terry Cartwright, managing director of ECC, believes that…article, orig pub: 02.08.23, updated: 06.11.26

THE Timex/Sinclair 2068 has been selling well in the States, despite reports that Timex has had difficulty with the new computer. The machine, which includes a ROM cartridge port and an RS232 interface, has been described as an upgrade of the Spectrum and has a bigger and more manageable keyboard. Better graphics facilities include the…article, orig pub: 02.08.23, updated: 06.11.26

One blot on the rosy scene of the Sinclair Research financial year was the disappointing performance of the Timex Sinclair 1000 in the U.S. Two factors seem to have affected sales badly, the raging personal computer price war which brought the selling price of the TS 1000 crashing to a derisory $39 and what some…article, orig pub: 10.27.20, updated: 06.11.26

TIMEX has revealed its plans for two new microcomputers, the 1500 and 2048, in the States. The specifications of the new computers were shown for the first time at a computer show in Chicago. The 1500 will be an upgraded version of the TS-1000, the U.S. version of the ZX-81, which has attracted some criticism…article, orig pub: 02.08.23, updated: 06.11.26

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

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: 04.30.26

A 60-room text adventure set in post-apocalyptic Manhattan, with subway transit, key-based door unlocking, and a hot air balloon escape on the rooftop.computer_media, orig pub: 03.19.26, updated: 05.02.26

A DATA-driven melody player for "On Top of Old Smokey" with adjustable tempo, lyric display, and clever ON ERR end-of-data detection.computer_media, orig pub: 04.13.26, updated: 04.14.26

A Snake game that encodes the entire body as a string of position characters and uses a REM-embedded machine code routine to read screen cells for collision detection.computer_media, orig pub: 04.13.26, updated: 04.13.26

Watch a sine wave build point by point across the screen, with live readouts of the x and y values updating at each step.computer_media, orig pub: 04.13.26, updated: 04.13.26

Command eleven named heroes across a living map, recruit armies, and storm the Keep of Darkness in this real-time strategy adventure with autonomous enemy movement.computer_media, orig pub: 04.13.26, updated: 04.13.26

Commented disassembly of the HOME ROM.document, orig pub: 03.27.26, updated: 06.04.26

Commented disassembly of the EXROM.document, orig pub: 03.27.26, updated: 06.04.26

Definitions for the HOME and EXROM disassemblies.document, orig pub: 03.27.26, updated: 06.04.26

The ZX COMPILER is a program, written in basic and machine code that will change a program in ‘BASIC’ into machine code. This can be used to create programs or sub routines that can run up to twenty or thirty times faster than normal BASIC! Because the ZX81 only has a capacity of 16K ram…document, orig pub: 02.11.25, updated: 06.04.26

By Wes Brzozowski version 3.0 documentation dated 1-4-86 Welcome to the wonderful world of the CLONE tape copier. this program provides some relatively easy ways to make copies of your tapes. It also allows some of the more advanced programmers to learn of the “hidden spec”, bundled away inside their program’s headers. But before describiing…document, orig pub: 06.04.24, updated: 04.07.26

User Groups Vendorsevent, orig pub: 02.14.23, updated: 03.12.26

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

British publication dedicated to Sinclair computers, most specifically the ZX Spectrum.periodical, orig pub: 12.11.19, updated: 06.11.26

Quarterly published by Tom Woods. Started as Pro/file Updates for owners of ZX Pro/File database. In 1986, the newsletter was renamed to Computer Updates and expanded to include updates to all software published by Tom Woods.periodical, orig pub: 10.11.25, updated: 06.06.26

Quarterly published by Tom Woods. Provided updates and more to owners of ZX Pro/File databasesperiodical, orig pub: 06.05.22, updated: 06.06.26

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

Additions to Pro/File 2068, including updates of Pro/File +3. This version allows file merge and dating files. Compiled by Robert Fischer using the numerous changes he documented in his EXTENSIONS newsletter.product, orig pub: 02.06.22, updated: 06.07.26

Minesweeper, the game Microsoft bundled with Windows, ported to the TS2068 in C with Z88DK by Alvin Albrecht. The board, the flags, the numbers, the regrettable first click are all present. Albrecht wanted one the computer could play well, and play fairly, deciding every move from the numbers on the board and never from the…product, orig pub: 06.02.21, updated: 06.05.26

Internally mounted Spectrum/TS 2068 ROM option, similar to ROMSwitch.product, orig pub: 10.19.20, updated: 05.31.26

Fully utilizes TS2068 Extended Color Mode. Select Paper, Ink and Border Colors. Draw and Erase freehand with pen or brush strokes. Features precision circle and line entry functions. Intermix text with graphics. Keep two screen drawings in memory at once. Save & Load screens to cassette tape. Prints a screen image to your Timex printer.product, orig pub: 05.31.26, updated: 05.31.26

Additions to Pro/File 2068, including all the improvements from the manual except where they are no longer appropriate (the machine code sort makes the block sort outdated), or improved by Robert Fischer’s routines in Extensions.product, orig pub: 11.07.25, updated: 05.29.26

This informal group has twice a month meetings online (via Zoom). Like in-person user group meetings, we have guests, talk about our projects and a wide array of computing topics. This group has its origins in the Yahoo TS 2068 Group, which migrated to groups.io when Yahoo Groups shut down. Join Our Email List Sign…usergroup, orig pub: 04.21.23, updated: 06.14.26

President: Frank DavisVice-President: Paul HolmgrenSecretary: Willie JonesTreasurer: Carol Davisusergroup, orig pub: 02.01.20, updated: 03.29.26

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

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

Ingo's keycap Kickstarter funded 7x in five days. Dr. Beep releases 150 ZX81 games on itch.io.video, orig pub: 05.03.26, updated: 05.03.26

Our meeting covered keyboard Kickstarter plans, Pascal compilers, AI-assisted coding, TS-Pico debugging, and RAM expansion techniques.video, orig pub: 03.16.26, updated: 05.03.26