New and Updated Videos

Demo for EASYSprite by Eric Boisvert. Up to 255 sprites of different size and shape are allowed. The program uses a simple PRINT #3 command (or LPRINT).

Jeff Burrell gave an update the development of the 2068e project.

Tim Swenson shared 22-page ZX Zine number 11. The zine was funded by the Bill Miller collection and was printed at a local print shop.

Dave Franson shared his experiences with Sinclair computers, particularly the ZX81 and TS 2068. Dave shared his journey from being a college student in 1982 to becoming a user of Sinclair computers, and how he created Extended Paint for the TS 2068.

Carl Miles discusses plans for a comprehensive expansion board for the ZX81, tentatively called the "1560". Joao Diogo Ramos told us about the annual Game of the Year (GOTY) event and the documentary about Timex Portugal.

Jim Bumgardner, a software engineer and puzzle enthusiast, shared his journey from being a liberal arts student to becoming interested in computers, particularly through his exposure to modular synthesizers at Cal Arts.

Tim Swenson described differences between Boreal ZX Basic and Sinclair Basic. Carl demonstrated improvements he made to the Timex 1510 cartridge.

David and Joe discussed recovering old tapes. Joe described using a homemade dehydrator for 3D printer filaments to salvage tapes. Jeff Burrell discussed his 2068 FPGA board project, which supports downloading cores from an SD card.

We talked with David Solly about his new Spectrum Next. Paul DeMelto talked about his use of vintage computers and music making process.

Hugo Pinto shared his experience with the Load ZX Spectrum Museum's recent recovery of the Tenet educational network system.

David, Joe , and Adam discussed a 1983 Timex joystick, noting its unique features and considering a teardown to explore its internals. Joe compared it to a similar model, discussing modifications for better functionality.

Ingo Schmied shows his KiloZed, a pumped up and moderately larger Sinclair ZX81, and Joe Vandezande talked about his process for recovering ZX81/TS1000 tapes.

We talked about how to preserve the Timex Sinclair memory and machines in a physical way accessible to many. Is it a museum? Donations to an existing museum? We didn't come up with answers but did gather good ideas about preserving the history.

You can find all the Timex/Sinclair products discussed in this meeting and more at https://TimexSinclair.com/ Richard Booth, author of Applied Sinclair: Subroutines for the Mathematically-Minded, joined us to talk about the making of the book and its applications. You can learn more about Richard's book here: http://timexsinclair.com/book/applied-sinclair-subroutines-for-the-mathematically-minded/ You can learn more about these meetings, the Timex/Sinclair computers, hardware, software and accessories at https://timexsinclair.com. You can sign up for meeting reminders and see the calendar of our upcoming meetings here: https://www.timexsinclair.com/community/ About The Hosts David Anderson hosts the timexsinclair.com website, co-hosts these meetings and loves his Timex/Sinclair 1000 and 2068 computers. Adam Trionfo is a computer polyglot but his main focus has been the Bally Astrocade, an early computer/game console. You can find Adam's encyclopedic website about the Bally here: https://ballyalley.com/

This is the Monday, April 3rd, 2023, meeting of the Timex/Sinclair Online User Group meeting. It's hosted by David Anderson and Adam Trionfo. You can find all of the Timex/Sinclair products discussed in this meeting and more at https://TimexSinclair.com/ Adam Trionfo is a computer polyglot but his main focus has been the Bally Astrocade, an early computer/game console. You can find Adam's encyclopedic website about the Bally here: https://ballyalley.com/ Bob Fischer, a former middle and high school band instructor, joined us to talk about a gradebook program for the TS1000 he wrote and sold and using Pro/File 2068 and the Extensions newsletter he published for to support Pro/File. https://www.timexsinclair.com/indiv/robert-fischer/ https://www.timexsinclair.com/company/robert-fischer/ Adam gave an update on typing Starblasters by Dan Tandberg. He explained how Carl Miles helped him understand TS 1000 keywords. https://www.timexsinclair.com/indiv/dan-tandberg/ Carl gave an update on some composite video output converters for the TS1000 he purchased and assembled. Newcomer Mike Druckenmiller, Sr., told us about how he got into the Timex computers back in the 80s and how he's returning to them for new adventures. Joe Vandezande showed us his Byte-Back BB-1 Control Module: https://www.timexsinclair.com/product/control-module/ Tim Swenson talked about learning to program when he first got his ZX81 and there weren't a lot of magazines or books available. Cláudio Da Silveira Pinheiro joined us from Brazil and showed his Mikrodigital ZX Spectrum clone along with some other computers. You can learn more about these meetings, the Timex/Sinclair computers, hardware, software and accessories at https://timexsinclair.com. You can sign up for meeting reminders and see the calendar of our upcoming meetings here: https://www.timexsinclair.com/about/community/

We were joined by Chuck Durang, author of the Timex/Sinclair 1000, 1500 and 2068 user manuals.

We talked about updates to the website, recovered programs and what the members of the group have been working on.

Danny Ross, former Vice President and COO of Timex Computer Corporation, joins us for this special meeting. João Diogo Ramos of the Museum LOAD ZX Spectrum (loadzx.com) co-hosts this meeting with David and Adam.

This is the Sunday, March 19th, 2023, meeting of the Timex/Sinclair Online User Group meeting. It's hosted by David Anderson and Adam Trionfo. You can find all of the Timex/Sinclair products discussed in this meeting and more at https://TimexSinclair.com/ Adam Trionfo is a computer polyglot but his main focus has been the Bally Astrocade, an early computer/game console. You can find Adam's encyclopedic website about the Bally here: https://ballyalley.com/ Claudius Fatla joined to tell us about developing a clone of the Timex Computer 2048, a computer produced by Timex Portugal. As part of his newer version, he re-implemented the Timex SCLD in an FPGA. While there are differences between the Timex Sinclair 2068 SCLD and the SCLD in the TC2048, this suggests that the TS2068 SCLD could be re-created, as well. You can learn more about these meetings, the Timex/Sinclair computers, hardware, software and accessories at https://timexsinclair.com. You can sign up for meeting reminders and see the calendar of our upcoming meetings here: https://www.timexsinclair.com/community/ You can support the TimexSinclair.com website and these meetings by contributing to our gofundme: https://gofund.me/69406e64

This is the Monday, January 2nd, 2023, meeting of the Timex/Sinclair Online User Group meeting. It's hosted by David Anderson and Adam Trionfo. You can find all of the Timex/Sinclair products discussed in this meeting and more at https://TimexSinclair.com/ Adam Trionfo is a computer polyglot but his main focus has been the Bally Astrocade, an early computer/game console. You can find Adam's encyclopedic website about the Bally here: https://ballyalley.com/ David Anderson talked about Bob Swoger, who passed away December 18th. He a long-time Timex/Sinclair user and supporter. You can learn more about Bob here: https://www.timexsinclair.com/indiv/bob-swoger/ Bob was very active in the Chicago Area Timex User's Group: https://www.timexsinclair.com/usergroup/chicago-area-timex-users-group/ Ryan showed us a calendar program he'd written a number of years ago. He demonstrated generating a new calendar using FUSE, the Free Unix Spectrum Emulator, including sending printer output to a PDF file. Adam asked Stewart about TechDraw Jr., a program Jeff Street wrote for the TS 2068 and sold by Zebra Systems. https://www.timexsinclair.com/company/zebra-systems/ https://www.timexsinclair.com/product/techdraw-jr/ https://www.timexsinclair.com/indiv/jeff-street/ After Ryan finished presenting about his program, we got into some details about information Timex provided to programmers to help convert ZX Spectrum programs to the TS 2068. Greg Bennett showed us some nifty programs he'd written on the TS 1000 using a redefined character set. We talked a bit about how that was possible and the WRX modification needed to display high resolution graphics on the TS 1000. Stewart chatted a bit about a project he's working on, including upgrades to the TS1000. We talked quite a bit about getting a TS1000 to Adam, including what his system should have in upgrades. Stewart showed some interesting details about raw, unused TS 1000 shells, especially compared to ZX81 shells. Tim Swenson talked a bit about the Sinclair QL in response to Adam's question. Gustavo gave some details about the US vs Portugal versions of the SCLD in the TS 2068. We discussed the SCLD buy that the Capital Area Timex Sinclair user group did back in 1986. https://www.timexsinclair.com/article/scld-status/ https://www.timexsinclair.com/article/installing-the-scld/ You can learn more about these meetings, the Timex/Sinclair computers, hardware, software and accessories at https://timexsinclair.com. You can sign up for meeting reminders and see the calendar of our upcoming meetings here: https://www.timexsinclair.com/about/community/

This is the Sunday, January 15th, 2023, meeting of the Timex/Sinclair Online User Group meeting. It's hosted by David Anderson and Adam Trionfo. You can find all of the Timex/Sinclair products discussed in this meeting and more at https://TimexSinclair.com/ Adam Trionfo is a computer polyglot but his main focus has been the Bally Astrocade, an early computer/game console. You can find Adam's encyclopedic website about the Bally here: https://ballyalley.com/ Tim Swenson gave a demonstration of Sinclair QL emulators, including showing off some microdrive cartridges. Tim demonstrated sQLux, a QL for Unix, and SMSQ/E. https://github.com/SinclairQL/sQLux https://www.wlenerz.com/smsqe/ Charlie Ingley, in New Zealand, has designed a Microdrive replacement for ZX Spectrum and Sinclair QL users: https://vdrivezx.com/vdriveql/ Nigel Searle announced the QL in the US at the Boston Computer Society in May 1984: https://www.youtube.com/watch?v=Xss0bsf9N7c Of course, one can't mention the Sinclair QL without mentioning its most famous user: Linus Torvalds. João Diogo Ramos, of the LOAD ZX Spectrum museum in Portugal, told us about the upcoming Game Of The Year ceremony on January 29th (Sunday) at 15h00 London/Lisbon time. It will be streamed online, as in the two previous years. This year it'll take place at the museum. João also gave an impromptu virtual tour of the museum. https://loadzx.com/en/ http://planetasinclair.blogspot.com/2023/01/os-nomeados-por-categoria-no-goty-2022.html Jeff Burrell demonstrated his FPGA video generator solution, which runs parallel to the SCLD and displays TS 2068 video in full color and beautiful resolution. Francois Lanciault, who attended the first ever meeting, rejoined us to see Tim's presentation and told us about history with the Sinclair computers. David Anderson gave an update on using a Windows computer and the FUSE and EightyOne emulators to preserve cassette tapes via a traditional tape player and Audacity. https://fuse-emulator.sourceforge.net/ https://sourceforge.net/projects/eightyone-sinclair-emulator/ https://www.audacityteam.org/ https://github.com/shred/tzxtools Carl Miles asked about some products for the TS 2068 he purchased from David Anderson via andertone.com. And last, we continued in our discussion about restoring a TS 1000 for Adam. One day Adam will have the full power and glory of the TS 1000. Our discussion included how to preserve ZX81/TS1000 keyboard tails, including stiffening them with Kapton tape. Gustavo told us before the meeting that 5,000 TS 2068 computers were imported to Argentina in the 1980s. Unfortunately, we didn't get to that in the video. You can learn more about these meetings, the Timex/Sinclair computers, hardware, software and accessories at https://timexsinclair.com. You can sign up for meeting reminders and see the calendar of our upcoming meetings here: https://www.timexsinclair.com/about/community/

This is the Monday, February 6th, 2023, meeting of the Timex/Sinclair Online User Group meeting. It's hosted by David Anderson and Adam Trionfo. You can find all of the Timex/Sinclair products discussed in this meeting and more at https://TimexSinclair.com/ Adam Trionfo is a computer polyglot but his main focus has been the Bally Astrocade, an early computer/game console. You can find Adam's encyclopedic website about the Bally here: https://ballyalley.com/ Paul Holmgren, former part owner of Mechanical Affinity and one half of the team that wrote the ISTUG TS2068 BBS program, joined our meeting. You can learn more about Paul here: https://www.timexsinclair.com/indiv/paul-holmgren/ Issues of Update magazine are here: https://www.timexsinclair.com/periodical/update-magazine/ Dave (a Scot living in the US) joined us by way of TJ Ferreira's recommendation and talked to us about growing up with the ZX Spectrum, a point of view we don't often get in the US. He regaled us with stories about the Enterprise 64 and other fun stuff from the other side of the pond. https://en.wikipedia.org/wiki/Enterprise_(computer) https://www.youtube.com/watch?v=e2ONq0DASqY Check out TJ Ferreira's channel for very enthusiastic retro goodness: https://www.youtube.com/@MacSociety/videos Paul gave us some interesting details about his intro to the microcomputers, starting with the Motorola MEK6800D2: https://en.wikipedia.org/wiki/MEK6800D2 https://www.timexsinclair.com/company/mechanical-affinity/ Paul and Tim Swenson, who did an epic road trip together quite a while back, caught up a little. Paul dropped a little trivia bomb: in the late 1980s/early 1990s, Supreme Court Justice David Souter was a Mechanical Affinity customer. Paul also told us a little about the problems shipping product to South America at the time. Stewart Newfeld, another former retailer, was able to weigh on the topic, too. Gustavo talked a bit about his TS 2068 and had some questions about various Timex products. Stewart Newfeld showed us a ZX Wespi, an open source file server/video device for the Sinclair ZX81/TS1000. Stewart is trying to build one. Larry Lorenson talked about his and some of the issues he encountered in getting it going. https://github.com/holmatic/zx-iot-video That led into a discussion about ways FPGAs can be used to replace or supplement the Timex/Sinclair computers. Dave showed his MISTer and Gustavo talked about how FPGAs can be used to re-implement the 2068 SCLD for high quality video. https://mister-devel.github.io/MkDocs_MiSTer/ Ryan Gray prefaced his demo by browsing the "merch store", where you can find all sort of clothing and other items with Timex items: https://www.redbubble.com/people/factus10/shop?asc=u Ryan then talked to us about work he's been doing ove the past few weeks, including a program to turn ZX81 .P files into TAP files. You can find it here: https://github.com/ryangray/zx81-utils Ryan also produced some fantastic cheat sheats for the ZX81/TS1000 and TS2068: https://www.timexsinclair.com/document/zx-81-ts-1000-ts-1500-character-reference-sheet/ https://www.timexsinclair.com/document/zx-spectrum-ts-2068-character-reference-sheet/ Ryan gave an extended discussion of how his code works to reverse a program and handle the many special character codes used by the ZX81/TS1000 and TS2068 in ZMakeBas. Adam showed his ZX81/TS1000 stickers on a PC keyboard. He's learning the TS1000, preparing for his impending TS1000 and to play Grimm's Fairy Trails. We talked a little bit about custom keyboards and then Keith Watson walked us through his TS 2068 system, including an AERCO disk interface connected to an Amdek III disk system. https://www.timexsinclair.com/indiv/keith-watson/ https://www.timexsinclair.com/product/floppy-disk-interface-3/ We talked about the upcoming meeting with Dan Ross, VP of Timex Computer Corporation. https://www.timexsinclair.com/indiv/ross-dan/ Last, we chatted about Mark Fendrick, a software author and writer who was published in Computer Shopper and ZX Computing. https://www.timexsinclair.com/indiv/mark-fendrick/ You can learn more about these meetings, the Timex/Sinclair computers, hardware, software and accessories at https://timexsinclair.com. You can sign up for meeting reminders and see the calendar of our upcoming meetings here: https://www.timexsinclair.com/about/community/

This clip comes from a program called "space", recorded on the Capital Area Timex Sinclair User Group TS2068 Library Tape 8. You can download the recording of the tape here: https://archive.org/details/ts-2068-program-taps/CATS+2068+Library+Tape+9.wav

5 seasonal tunes played on the Timex/Sinclair 2068. This program originally appeared on the Winter 1989 issue of Byte Power, a cassette-based "magazine" for Timex/Sinclair users. https://www.timexsinclair.com/issue/byte-power-12/

We discussed the SPONZY (Spectrum ROM on ZX81) project, the TS-Pico new software and other projects.

Johan "Dr Beep" Koelman talked to us about how he got into Sinclair computers and what led him to write a bunch of games for the 1K Sinclair ZX81.

We discussed the project to re-create the Timex 1510 cartridge player. Carl talked about his effort to recreate the Timex/Sinclair 2000 and Ryan showed us photos he took at two computer museums in England.

We talked about reasons for enjoying the ZX81/TS1000, Mowgli Assor joined and told us of his experiences.

We discussed real uses of the TS 2068, including small business accounting in Canada and Argentina, the 1510 cartridge system and other topics.

Jim March joined us and we updated him on progress with the hardware, software and other items he donated for preservation.

Jack Boatwright joined us and recounted his experiences.

Special guest is Gary Grimes, the industrial designer responsible for the Timex/Sinclair 2068 case design.

In this meeting, we talked about the TS Pico project, new members, records with ZX programs and more.

Will Collum, former Timex Computer Corporation programmer, joins us to discuss his work at Timex (he wrote the cartridge detection code in the TS 1500), Z80 coding, and his career before and after Timex.

Our first Sunday meeting with folks from Europe.

David gave an update on archiving tapes, documents, newsletters and more. Jeff Burrell showed the latest developments and demonstrated functions of his amazing video board.

Jaroslav Švelch, PhD, is head of the Prague Game Production Studies group at Charles University in Prague, Czech Republic. He talked to us about his book, GAMING THE IRON CURTAIN: How Teenagers and Amateurs in Communist Czechoslovakia Claimed the Medium of Computer Games.

Keith Watson's use of a Timex/Sinclair 2068 to produce compressor performance charts.

Load ZX Museum: https://loadzx.com/en Sell My Retro: https://loadzx.com/books/ Planeta Sinclair: https://planetasinclair.blogspot.com/

In this week's meeting, we talked about the huge amount of documentation Jack Boatwright preserved.

In this week's meeting of our group, we were joined by Lon Hildreth, a former Timex programmer. Lon worked at Burroughs, with Lou Galie and Scott McCourt, prior to joining Lou and Scott at Timex.

In this week's meeting of our group, we were joined by Tim Ward, a Timex enthusiast. Tim was instrumental in forming the Timex/Sinclair Users Group Of Fort Worth and later, with Tony Willing, formed a tape library of TS1000 and TS2068 programs.

In this week's meeting of our group, we were joined by Ryan Gray, a Timex enthusiast. Ryan has resurrected a user-defined graphics editor he wrote on the TS 2068 in the 1980s and is working on improving it. Ryan is using a Raspberry Pi 400 with the ZEsarUX and FUSE emulators for his development.

In this week's meeting of our group, we were joined by Joe Vandezande, a Timex enthusiast. Joe told us about his maxed-out Timex/Sinclair 1000 that he attempted to mount in a Hazeltine computer terminal. Andy Hradesky, a long-term TS enthusiast, joined us and regaled us with tales of his experiences.

We watched David as he tried to operate the ZESarUX emulator in real time and at full speed, encountering all sorts of problems trying to run a simple demonstration.

Newcomer Paul Anderson gave us an intro to how he came into the Timex/Sinclair scene in the 1980s and what he's doing now.

Adam Trionfo dug into the FDD 3/3000 disk images, examining a home-made version of Q*Bert.

Adam gave an update on the activities of the Albuquerque Timex Sinclair User's Group, made up of Ryan Gray, Carl Miles and Adam.

We talked about creating multi-ROM cartridges, the possibility of an auto-boot Spectrum ROM cartridge and more.

Sunday afternoon meeting so European Timex and Sinclair and American enthusiasts can meet.

Clark Calkins joined us for this meeting. Clark had a long career in computer programming and worked for a brief bit, part-time, for A & J Microdrive. He also wrote a real-time, embedded operating system for the Timex/Sinclair 1000 based on CP/M.

Bob Swoger developed LogiCall as an easy-to-use front end for Larken DOS disk drive systems.

This program plots the orbit of Halley's Comet, starting in 1986.

David talked a bit about the connection between the Koala Pad and Sinclair computers. David also gave an update on archiving tapes, documents, newsletters and more.

We chatted about our projects, including Ingo Schmied's work on making an enlarged ZX81/TS1000 with a full size keyboard, Joe Vandezande reverse engineering a floppy disk interface for the TS 1000 and more.

We chatted about the TS Pico, a device developed by Ricardo Colagno, Gustavo Pane, Tim H and Jeff Burrell. It was inspired by work Johan "Dr Beep" Koelman did for the ZX Spectrum.

We were joined by Steve North, a comedian and comic coach who, in the early 1980s, wrote four games for the Timex/Sinclair 1000.

We talked about: - a 3D printed cartridge case and board to fit in it - potential solution for lower (video) RAM in the 2068 - what a "next" TS 2068 might look like

With special guest Jeff Street, Zebra Systems programmer. Jeff wrote a number of programs and drivers for Zebra Systems, including OS-64.

Tim showed off a Sinclair Spectrum +2 and we had a fun discussion about what we might do as a community to complete the TS 2060 Bus Expansion Unit and build a "next" 2068.

Bill Miller's collection rescued, Louis Florit's TS 2068 website, Johnny Red shows Portuguese Timex computers.

Ricardo Calcagno, Gustavo Pane, Jeff Burrell and David Anderson demo and discuss the TS Pico interface for the Timex/Sinclair 2068. Tim Swenson talks about Bill Miller's collection.

We talked about creating a bus expansion unit (BEU), now that we have information from Timex about its specifications, as well as an updated TS 2068.

We were joined by Dan Roy, who designed a TMS9918A-based video expansion for the Sinclair ZX81/TS1000.

We discussed the implementation and possible expansions of the ZX Spectrum computer.

João Diogo Ramos, of the Load ZX Spectrum museum, discussed the status of two pending projects, including the SCLD documentation and the launch of the Timex Computer World website.

Adam and Ryan considered creating a podcast focused on unusual stories of how people used their Timex and Sinclair computers.

Eduardo Fuentes presented his enhancements to a CP/M board for the 2068.

We discussed using modems with Timex computers, ongoing software conversion projects, ZXZine and more.

Jeff Burrell discussed the potential options for a "next" TS2068 using either software or hardware.

Joe Vandezande shared some software for the ZX81 he'd recently archived, we welcomed new participants Jeremiah Stoddard and Zee Mehciz, and more.

Richard Booth, author of Applied Sinclair: Subroutines for the Mathematically-Minded, joined us.

Our discussion included emulator usage, Baud Day and the TS-1510

With special guest George Grimm, former software manager for Timex Computer Corporation.

Online meeting of Timex/Sinclair computer enthusiasts. Includes presentations by Stewart Newfeld (of Zebra Systems) and Jeff Burrell.

In this week's meeting of our group, we were joined by Tim Horner (from New Zealand!), Ingo Schmied, Ryan Gray, Jeff Burrell and Stewart Newfeld.

Jeff Mazur, author of the Timex Sinclair 2068 Intermediate/Advanced Guide talked about his book, NTSC ZX Spectrum he was sent to work from, and more.

Short clip of the Byte-Back BB-1, activating the relays in sequence. Each relay has an LED that lights when the relay is active.

This meeting features Tim Swenson, a long-time Sinclair user. Tim started out with a Sinclair ZX-81, briefly transitioned to the Timex/Sinclair 2068 and used the Sinclair QL for many years.

Greg Bennett talks about his implementation of Wordle on the ZX81, Jeff Burrell talks about his work on using UnoDOS and divMMC hardware to potentially lead to a 2068-specific divMMC.

This meeting features Thomas B. Woods, Wes Brzozowski, Jeff Mazur, Tim Horner, Ryan Gray, Jeff Burrell and Stewart Newfeld.

The Timex/Sinclair 2068 to Spectrum twister includes an RGB output port compatible with most Sega Genesis HDMI converters.

Discussion about Bob Swoger, a long time supporter of the Timex Sinclair community.

Bob Swoger memorialized; members demonstrated their programs and caught us up on projects.

Tim Swenson gave a demonstration of Sinclair QL emulators, including showing off some microdrive cartridges.

In this meeting we learned that former Supreme Court Justice David Souter was a Timex/Sinclair 2068 user.

Special guest Jim March chats about writing The Timex/Sinclair User's Encyclopedia.

Members caught us up on their projects. Adam, Carl and Ryan met in person.

Mark Kloosterman showed us some of his large Sinclair and Timex/Sinclair collection.

We talked about updates to the website, recovered programs and what the members of the group have been working on.

Chuck Durang, author of the Timex/Sinclair 1000, 1500 and 2068 user manuals, join us to talk about his experiences.

Adam Trionfo demonstrates Diamond Mike, released by JRC Software in 1985 for the Timex/Sinclair 2068 Computer. It was written by John Coffey. Collect diamonds until the screen ‘POPS’ and then find the exit before the time runs out. The top of the screen will show your score, time remaining, number of lives MIKE has left,…

Danny Ross, former Vice President and COO of Timex Computer Corporation, joins us for this special meeting.

Claudius Fatla joined to tell us about developing a clone of the Timex Computer 2048, a computer produced by Timex Portugal.

Bob Fischer, a former middle and high school band instructor, joined us to talk about a grade book program for the TS1000 he wrote and sold.

Behold the glory of the Timex/Sinclair 1000 in 1982. The power is within your reach!

Greg Harder demonstrates Fred Nachbaur’s F-Scapes program.