Highlights

Threads flagged as having high long-term reference value — the technical solutions, how-tos, project results and definitive answers worth finding again. Grouped by topic.

Machines

TS2068 / TC2068

Bill Miller Collection (#4564) — Bill Miller estate collection for sale becomes Amiga/Atari Q&A and biographical/newsletter archiving of Bill Miller.
ZX Spectrum ROM in TS2068 (#1001052) — Huge thread on Spectrum ROM in TS2068, TTL RGB, edge connectors, and a collection giveaway.
Demo Recording of Speech Synthesizer (2068) (#1321) — Recording demo of TS2068 software speech synthesizer; archiving word libraries; AY digital music.
TS2068 Repairs Dec 2023 -- Ian's Machine and Ryan's two TS2068 machines (#5242) — Detailed writeup of repairing Ian's and Ryan's TS2068s; dead donor machine revived as a socketed test machine.
TS Cartridge Rarity (#1003252) — Ebay listing drifts into extended discussion of TS cartridge rarity and value.
Best Exclusive TS 2068 Titlesþ (#1001429) — Community list of best TS2068-exclusive titles; expands into Didatik catalog and clones.
Timex hi-resolution modes - CP/M (#1001820) — Deep discussion of Timex hi-resolution video modes under CP/M, plus a software offer.
My New 2068 Toys/RGB Monitor Adapter Works - Hooray! (#530) — David's RGB monitor adapter works; long thread on HDMI conversion, capture-device sync issues and RF background.
ZX81 / TS1000 Motherboard (#6907) — TS2068 typeface/font project, then drifts into ZX81/TS1000 made-in-France/Portugal board variant research.
Any TS 2068 main PCB updates? (#6932) — Critique of TS2068 board bodges sparks new TS2068/TC2048 clone PCB design and PCBWay orders.
Elite? (#876) — Long saga getting Elite running on TS2068 in Spectrum mode; LensLock protection and Goat Soup generator
Video Blurry; was: TS 2068 - Sound/Hissing Problem (#1001405) — Sound-hissing diagnosis drifts into video-blurry repair and a definitive TS2068 video fix.
That Guide to Games book and a new fun toy (#9261) — Shaun McClure's TS1000/1500 games book chat drifts into developing the PixelPaste/Retro Pixel image converter app.
T/S 2068 Power Supply Replacement (#773) — TS2068 power supply replacement: Jameco part, regulator/cap upgrades, capacitor theory, with off-topic electric-shock anecdotes
My Alternate T/S 2068 Computer - Recapping? (#7677) — Recapping an alternate TS2068; covers common failures, RAM chips, stereo audio mod, later TS1500 caps.
TS2068 twister boards (#1002527) — Long thread on producing/distributing TS2068 'twister' expansion boards.
TS2068 Sound Issue (#5733) — Diagnosing no-sound TS2068 (failed speaker/AY); drifts to designing stereo AY output board on expansion bus.
TSAnim: Full motion video on the T/S 2068 (all 4 frames of it) (#7483) — AI-assisted Z80 4-frame video player TSAnim demo; drifts into ChatGPT-for-Z80-coding discussion
Topics for Next Timex Sinclair Zoom Meeting (End-of-July?) (#242) — Zoom-meeting topic call became a detailed 2068 RGB/bright-signal video-out engineering project
My review of the Willie Jones 2068 JLO disk system clone (#7242) — Review of Willie Jones JLO disk clone turns into buying/selling JLO boards, drives and TS1510 carts
Twister w/ ROM (#1003604) — Twister ROM cartridge thread drifts into S-video output mod and a newcomer question.
Toasted TS2068 (#4275) — Toasted TS2068 after VCFMW diagnosed as lower-16K RAM failure; suggestion to compile a hardware-fix FAQ
ZX Spectrum 128K vs TS2068 (#1001186) — Long thread comparing 128K Spectrum to 2068, Oliger FDD, and DivIDE storage.
Z80 Cross-Compiler for Spectrum/TS 2068? (#1055) — Z80 cross-assemblers for 2068/Spectrum/ZX81: zmac, Pasmo, z88dk, TASM; assembly book recs.
2068 ROM Sources (#1000358) — Sources for TS2068 ROM dumps; drifts into a larger hardware project plan.
CP/M source available for the T/S2068?! (#3895) — CP/M source for TS2068 explored; FDD3000 requirements, ROM paging and RS232 streams
My continuing conversation with Mr. Lou Galie (part 2) (#1003364) — Continuing interview with former Timex engineer Lou Galie about TS2068 history.
Spectrum Emulator Cart Emulates... (#1003472) — Spectrum-emulator cartridge: what it emulates and its limits on the TS2068.
TS 2068 Video Problem (#1003422) — Extended troubleshooting of a TS2068 video output problem.
2068 Video (color) problem... (#1000826) — Diagnosing TS2068 video colour problem — extended troubleshooting thread.
TS 2068 Books (#1000465) — Recommendations and sources for TS2068 books and manuals.
Hello and S-video mod for TS2068 (#1004008) — Newcomer introduction leading into an S-video modification for the TS2068.
RGB Video (#1001705) — RGB video for the TS2068; thread spun from discussion of the Essential Guide book.
Issue with a TS 2068 (#7969) — divMMC plugged without a twister fries a 2068; long RAM/TTL/Z80 repair, board mailed to Carl for fixing.
FPGA TS2068 (#1003800) — FPGA reimplementation of the TS2068 — community project discussion.
Does anyone know where I can find a Spectrum Emulator Cartridge (#1003650) — Hunt for a Spectrum emulator cartridge drifts into Timex contended-memory timing details.
SE Basic on Timex 2068 (#9365) — Getting SE Basic and TS2068 ROMs working in FUSE; ties into SE/Chloe and TS-Pico architecture.
TS 2068 Extended Video Display Option: I will only ask ONCE but I think I know t (#8918) — Whether TS2068 extended video modes need a cartridge; explains SCLD modes, OS-64, z88dk, TS-Pico hi-res copy.
NVRAM PCB made by Tom Woods (#6910) — Tom Woods NVRAM/SRAM bank-switched board for TS2068; docs, TS-Pico alternative, cartridge-saving limits.
Help with T/S 2068 Repair (#6608) — Detailed TS2068 repair: heat-related failure, suspect Z80 and U9 74LS245, RAM voltage and IC-substitution advice.
T/S 2068 "Bounty Bob Strikes Back!" Translation (#1003461) — Translating Bounty Bob Strikes Back to the TS2068; drifts into Timex add-on talk.
RGB Adapter for T/S 2068 (#1003205) — Building an RGB output adapter for the TS2068; schematics and photos attached.
TS 2068 - VGA (#1002761) — VGA output mod/conversion for the TS2068; technical discussion.
TS1500 Keyboard Membranes (#1002485) — TS1500 keyboard-membrane replacement that drifts into TS2068 upgrades and mods.
FPGA Version of TS2068 - Need Opinions (#1002405) — Soliciting opinions on an FPGA recreation of the TS2068.
TS 2068 on a modern cable ready TV (#1001252) — Long how-to thread on getting TS2068 video onto a modern cable-ready TV.
David's image converter and 'The Crown' remastered? (#9275) — David's image converter used to remaster 'The Crown' title screen in 2068 extended color mode.
Where to download TS2068 programs? (#1003822) — Where to download TS2068 programs and tape/TAP archives online.
FDD Zebra Technical manual (#1003271) — Hunting for and sharing the Zebra FDD technical manual.
More on CGA (#1001721) — More on CGA output from the TS2068 — driving CGA monitors, follow-up to VGA thread.
TS2068 ROMS (#9381) — Dumped 2068 ROMs to fix a bad-ROM machine; identifies custom EPROM mods and switchable Spectrum ROMs.
FuJinet (#7204) — FPGA-based FujiNet IO adapter ported to ZX Spectrum/TS2068 via parallel interface, boards in fab.
Power Circuitry Replacement (#5314) — Whether to replace TS2068 internal power circuitry; switch-mode noise worsened by socketed regulators and Pico load.
TS-2068 128K (#1003565) — Talk of a 128K RAM expansion/modification for the TS-2068.
TS2068 Power supply (#1003525) — Diagnosing and replacing the TS2068 power supply.
Request: Twister board feedback (#1003054) — Author solicits feedback on the Twister expansion-board prototype.
ROM replacement services (#1001266) — ROM-replacement services and the FlashD0 modern ROM device for TS2068.
50 Timex programs uploaded to groups.yahoo.com/group/ts2068/files/Software/ (#1000799) — Announcement: 50 Timex programs uploaded to the Yahoo group software library.
My guess..... (#1000263) — Drifts from speculation into posting found 2050 modem schematics.
Timex goodies (#223) — Donated parts haul including pre-production SCLDs and ROMs from ex-Timex source
TS2068 and arduino (#1003062) — Interfacing an Arduino to the TS2068 — DIY project discussion.
Convert TS2068 into ZX Spectrum 128K (#1001909) — Converting a TS2068 into a ZX Spectrum 128K-compatible machine.
Battery powering a TS2068? (#3467) — Battery/buck-converter powering of a TS2068, tail-ends into received bare Aerco cartridge boards
T/S 2068 Cartridge Explorations (#2096) — Adam's explorations of TS2068 cartridge headers (LROS/AROS), including Protector prototype.
Proposal for FPGA based advanced 2068 (#51) — Proposal for FPGA-based advanced 2068, Spectrum Next N-GO board fitting existing case
Yamaha Sound from Speaker or TV (#1003913) — Routing Yamaha AY sound chip output to the speaker or TV.
Lack of cartridge port on updated 2068 (#4337) — Should an updated 2068 keep the cartridge port; DOCK RAM vs physical carts debate
Timex Sinclair Online User Group Meeting Sunday, Sept 17 (#4268) — Meeting reminder brainstorming a 'next 2068' replacement: banked BASIC, SCLD redesign, S-100
TS2068 Keyboard Membrane Conductive Strip (#1003577) — Restoring the conductive strip on a TS2068 keyboard membrane.
Hybrid 2068/spectrum 48k rom mod (#1003549) — Hybrid TS2068/Spectrum 48K ROM modification for cross-compatibility.
TS2068 switchable ROM Method (#1003516) — Method for adding switchable ROM (Timex/Spectrum) to a TS2068.
multicolour mode.... (#1003438) — Using multicolour (8x1) graphics mode on the TS2068/Spectrum.
T/S 2068 version of a ZXSpand (#1003185) — Discussion of porting the ZXSpand SD-card interface to the TS2068.
Using a ZX Interface 1 with TS2068 (#1002706) — Using the ZX Interface 1 (microdrive/RS232/network) with a TS2068.
"Building the Backplane Connector" (#1002568) — How-to about building a backplane edge connector for the TS2068 expansion bus.
TS2068 simple upgrade: 512kB RAM, 128kB PEROM (#1000751) — Project: 512KB RAM plus 128KB PEROM upgrade for the TS2068.
TS2068 Expansion Interface Specification (#1000420) — Working out the TS2068 expansion-bus interface specification for new add-on boards.
TS2068 -to- Sony TV (#1000100) — Connecting TS2068 to a Sony TV — resolved with a working solution.
ts 2068 video programming. (#1003431) — Programming the TS2068 video hardware (screen modes, attributes).
ZX Sectrum in VGA monitor? Anyone made it?‏ (#1001691) — Spectrum-to-VGA continues, drifting into CGA output from the TS2068.
Adventures in AI-assisted assembly programming for the T/S 2068 (#7473) — Using AI (ChatGPT/Cursor) to help write a Z80 assembly graphics demo for TS2068
Billy Skyrme (from Timex) on the TS2068 and TS3068 (#6200) — Billy Skyrme of Timex on the TS3068, BEU, and TS2068
Timex 2068 Technical Manual (#5604) — Scanned TS2068 Technical Manual posted to archive.org and print-on-demand via Lulu
Benchmarks (#5077) — Why TS2068 scores poorly on 1984 BASIC benchmarks vs TS1000
RAS/CAS timing from SCLD to lower RAM (#4290) — Requesting RAS/CAS timing capture to explore SRAM replacement for 2068 RAM failures
TS1000 "gray" block graphic characters for the TS2068 (#2712) — Routine to poke ZX81/TS1000 graphics characters into TS2068 UDG locations
TASWIDE [from Ryan's old tapes] (#2546) — TASWIDE utility for 64-column tiny-font printing on Spectrum/2068
MSCRIPT [From Ryan's old tapes] (#2544) — MSCRIPT word processor for TS2068 recovered from old tapes
TS2068 Memory Map and ROM Disassembly by Bob Orrfelt (#1414) — Provenance of Bob Orrfelt's TS2068 Memory Map and ROM disassembly
TS2068 with defective ROM ? (#428) — Diagnosing TS2068 defective ROM via Spectrum ROM swap test
PCB files for the Twister Project (#1003346) — PCB files released for the Twister expansion board project.
Twister boards (update) (#1002662) — Progress update on the Twister expansion-board project for the TS2068.
Program Preservation: was; Re: Awesome TS 2068 Music!‏ (#1001432) — Program-preservation discussion sparked by the music thread, with a Frogger sub-question.
Defective 2068 (#9431) — Step-by-step isolating a short and bad 4416 RAM on a 2068.
TS2068 Emulator Recommendations? (#1000716) — Recommendations for TS2068 emulators.
TS 2068 Schematic (#6624) — Scanned TS2068 blueprint schematic uploaded to archive.org
FPGA Board Update (#442) — FPGA TS2068+ board update: serial tape loader and Spectrum mode progress
Timex design patents (#224) — Timex design patents for 2068 case, cartridge, and slot keypad
TS2068 on VGA finally (#1003803) — Member finally gets TS2068 video output working on a VGA monitor.
Additional info about the Millenia K disk interface for the TS2068 (#1003373) — Additional notes/details about the Millenia K disk interface for TS2068.
Questions about Spectrum Compatibility and 97% Figure (#1000790) — Discussion of the oft-quoted 97% TS2068 Spectrum compatibility figure.
Spectrum 1-chip IDE interface <--> 2068? (#1000775) — Can the Spectrum 1-chip IDE interface work with the TS2068?
RAM to DOCK (#9247) — Moving cartridge programs between DOCK and RAM banks on TS2068
Loading a tap on to the TS2068 (#8418) — Loading zmakebas-generated Spectrum TAP files onto the TS2068.
Sektor 2068 Disk Editor Program (#6788) — Mowgli Assor's Sektor 2068 disk sector editor for AERCO disk system
Blown up TS2068 (#6485) — Diagnosing/fixing a TS2068 blown by wrong-polarity Walmart PSU; LM78L12 regulator advice
Producing Sprites on the 2068 (#5079) — Troubleshooting a type-in sprite-producing BASIC program for the 2068
ZX Spectrum Tilde and vertical bar characters for the TS2068 (#2713) — Subroutine restoring Spectrum tilde/vertical-bar characters as UDGs on TS2068
New Timex-native AY demo - now with the TS2068 unique MULTICOLOR videomode (#1211) — New Timex-native AY demo using TS2068 unique multicolor mode
DivMMC on TS2068 (#1003602) — Using a DivMMC SD-card interface on the TS2068.
TS2068 expansion port and cartridge port pinout diagrams? (#1003450) — Looking for TS2068 expansion-port and cartridge-port pinout diagrams.
No plus 5 volts (#9435) — Detailed TS2068 power-supply voltage diagnostic procedure.
Production improved (#9236) — Insider account of Timex factory board testing and assembly process
A "behind the scenes" view of TS 2068 development (#8796) — Lon Hildreth's TS2068 development time capsule digitized; behind-scenes history
Program Your TS2068 in C (#1000266) — Pointer to programming the TS2068 in C.
TS2068 repair vs. symptoms (#5364) — Repairing burned-up TS2068 with socketed CMOS ICs and decoupling capacitors
System Software Question STRMS & CHANS (#4211) — STRMS/CHANS offsets and relocating serial driver code above MEMTOP
15 volt PS for TS2068 (#1389) — Finding a suitable tip-negative 15V power supply with polarity changer for TS2068

TS1000 / ZX81 / TS1500

Some news. Also looking for Zebra Systems Graphics designer (#1002351) — Catch-up thread: news, wanted Zebra Graphics designer, TS1500 talk, then Fuse serial joysticks.
Local Timex Users; was: I Have Unscanned Timex/Sinclair Books (#87) — Unscanned books request grows into broad archive.org scanning/indexing of TS books and user-group newsletters.
Archiving "Metagraphics" by Calliope Software (#3128) — Archiving Calliope's Metagraphics; deep dive into WAV/TZX conversion tools and ZX81 listing utilities
Tape Programs on the TS Pico (#8807) — TS-Pico .TAP load errors traced to SD card; drifts into Hot-Z breakpoint/single-step debugging on ZX81.
TS1000 -> TS1500 Conversion Project (#5664) — TS1000-to-TS1500 conversion build using real ROMs, case painting, video mod; drifts to Spectrum 6a builds.
Archived "Starblasters" by Dan Tandberg (#3061) — Archiving Tandberg's 'Starblasters' TS1000 game; ZMakebas listings and Calliope tape finds.
ZX81 / TS1000 Motherboard (#6907) — TS2068 typeface/font project, then drifts into ZX81/TS1000 made-in-France/Portugal board variant research.
Slightly off topic… TS1000 Help (#6651) — New member's dead TS1000 diagnosis, with ULA-replacement advice and a 32K-vs-64K Memopak RAM tangent.
zx81 tape recovery (#2784) — ZX81 tape-recovery via mvindahl dat-tape-reader JavaScript tool; debugging app.js until tapes successfully archive.
My Alternate T/S 2068 Computer - Recapping? (#7677) — Recapping an alternate TS2068; covers common failures, RAM chips, stereo audio mod, later TS1500 caps.
Z80 Cross-Compiler for Spectrum/TS 2068? (#1055) — Z80 cross-assemblers for 2068/Spectrum/ZX81: zmac, Pasmo, z88dk, TASM; assembly book recs.
Timex Store Demonstrator for TS1000 (#854) — Identifying a Timex in-store EPROM demonstrator board, dumping its ROM and getting it running in emulation
Picked these up recently from Argentina... (#6736) — eBay Czerweny CZ2000/CZ1500 finds spark detailed Argentine/Portuguese TS1500 PCB-variant and date-code analysis.
Sinclair ZX80 and the Chroma80 (#6152) — Chroma80 SCART interface leads to a ZX80 clone build with video troubleshooting updates.
T/S 1000 and T/S 2068 - How Compatible? (#2707) — TS1000 vs TS2068 BASIC compatibility, conversion tools like Firstloder, and quick-reference cards
TS1000/1500/ZX81 power supply (#8385) — Carl Miles makes/sells modern replacement switching power supplies for ZX81/TS1000/1500
Typed in a 1K "Galaxian" game for fun tonight (#7020) — Typing in a 1K Galaxian for TS1000; memory-saving code analysis and collection-preservation musings.
Terminator 1000 - batery powered Timex 1000 (#6703) — Battery-powered 'Terminator 1000' build, then troubleshooting why a TS1500 won't display WRX/hi-res graphics.
Robotron for ZX81/TS1000 (#9171) — Robotron-like WRX hi-res ZX81 game sparks plans to ROMify it onto a TS1510 clone cartridge.
Raspberry Pi 4 Sinclair ZX81 Emulator (#9082) — Hunting a ZX81 emulator for Raspberry Pi 4 ARM; settles on ZEsarUX plus EightyOne-via-Wine workarounds.
Composite TVs and Monitors (#5508) — Composite-ready TV recommendations for modded TS1000/TS1500; covers composite mod boards, then turns to parts trades.
Emulators (#3299) — Emulator comparison (FUSE, EightyOne, ZEsarUX) and how to save TAP files for real machines
The Timex/Sinclair 1000 Merchandising Display (#7942) — K-Mart TS1000 store demonstrator photos; ROM was dumped and hardware recreated on external ROM board.
TS1500 Keyboard Membranes (#1002485) — TS1500 keyboard-membrane replacement that drifts into TS2068 upgrades and mods.
WRX16 DEMO (#3556) — Typing in Wilf Rigter's WRX16 hi-res ZX81 demo from Syncware; figuring out its mandala output.
Timex/Sinclair 1000 RF out to TV (#2470) — TS1000 RF won't tune on digital TVs; leads to composite video mod and ULA dark-video fixes
VCF Southwest (#9396) — VCFSW attendance chat turns to a 3D-printed TS1510 clone adding ZXpand/OpenSpand functionality.
How to break out of VU-File to redirect to SDcard? (#5095) — How to break VU-File autoload to save to SDcard; tips for stopping autorun tape programs.
"Cavern Quest:" Greg's Ported Astrocade Maze Game? (#952) — Greg Bennett's ZX81 port of Astrocade 'Cavern Quest' shared, played, mapped, and archived.
Clark Calkins' CP/M-Like OS; was: UPDATED! Timex/Sinclair User Group Meeting Mon (#3949) — Clark Calkins' ROM-based CP/M-like OS for ZX81 discussed ahead of his guest meeting
TS1500 and 16k RAM pack (#3517) — How the TS1500 wires RAMRM so a 16K pack adds to 32K total, unlike the TS1000.
Sinclair ZX81 Assembly Language (#8552) — ZX81 assembly help: screen printing, keyboard read, scrolling using z88dk; points to Swenson tutorial
TS-1500 Schematic (#966) — Request for a good TS1500 schematic; Carl supplies it plus 4416-vs-4116 RAM/power-supply design notes
Old ROM vs. New ROM on ZX81/Timex 1000? (#3204) — Clarifying Old ROM vs New ROM (ZX80 4K vs ZX81 8K) in Toni Baker book
Coming soon-ish: OpenSpand (ZXpand) for the ZX81/TS1000 (#9427) — Ordering OpenSpand (ZXpand) boards for ZX81/TS1000 availability.
ts 1500 schematic (#1003149) — Request and sharing of the TS1500 schematic for repair reference.
zx81 assemblers software ts2068 ie Berch, ZXAS, ZX assembler and disassembler (#8756) — Troubleshooting ZX81/TS2068 assemblers (Berch, ZXAS) to get hex codes
Exploring Truchet Tiles on the ZX81 with BASIC (#8306) — Truchet tiles in BASIC on the ZX81, inspired by 10 PRINT
My TS1000 3D Printed Case (#1856) — 3D-printed TS1000 case design on Thingiverse with keyboard tray mods.
Hi-Res Upgrade (#7815) — Questions about ZX81/TS1000 hi-res video mod and requirements
Software Collection (#7582) — Inherited TS-1000 software collection scanned and being digitized/preserved.
ZX81/TS1000/TS1500 System ROM Replacement Cartridge and Interface PCB running SP (#7465) — ZX81/TS1000 ROM replacement cartridge and interface PCB running SPonZY
ZX81 tape conversion walkthrough (#7294) — Video walkthrough of recovering ZX81 tapes with converter tool and Audacity.
TS1500 cost reduction version Diagram (#9393) — Schematic for the TS1500 cost-reduced version from Timex Portugal.
Sponzy (#9207) — Getting external EPROM PCB (Sponzy) working on TS1000 with TZX loading
ZX81+38 clones (#6757) — Debugging ZX81+38 clone wiring of 27C256 ROM chip-select shorts
ZX81 utilities (#2800) — Ryan Gray's ZX81 utilities: p2txt lists .P BASIC as text, p2spectrum converts to Spectrum
ZX-Wespi Nano Project - Replaces the RF Modulator and brings VGA Video and Netwo (#8672) — ZX-Wespi Nano project replacing RF modulator, adding VGA video and network fileserver
TS1000 expansion connector (#8349) — Sourcing open-sided edge connectors that fit the TS1000 expansion port
Quick question on a ZX-80 (#8346) — Troubleshooting ZX80 sync: IORQ line and missing horizontal sync signal
SD Cart for the Timex 1000 (#1600) — BackBit Pro SD cartridge supports the Timex 1000.
Dan's Roy's ZX81 Motherboard Upgrade (#1369) — Dan Roy's ZX81 motherboard upgrade adding color/sound, from Sync article
follow up on ZX81 clone project (#6770) — ZX81 clone PCB address resistor tuning to work with static RAM chips
ZX81 video including pseudo hires, true hires (wrx), and rampack mod (#2671) — ZX81 video doc covering pseudo-hires, true hires (WRX), and rampack mod
Digital ZX81/TS1000 back porch mod for 2C184 or earlier ULA (#9061) — Digital back porch mod circuit for ZX81/TS1000 with 2C184 or earlier ULA.
ZX81 Expanded Memory (#7996) — Research draft on using ZX81 memory beyond normal 16K RAM
Silversoft ZX81 Compiler (#7668) — Found and shared missing Silversoft ZX81 Compiler documentation
Mahjongg ZX81+38 clone "NO DELETE" fix! (#7135) — Fix for ZX81+38 clone NO DELETE fault via keyboard pull-up resistor correction
ZX81/TS1000 tape archive (#3269) — Pointer to Simon Holdsworth's 600+ ZX81 tape online archive
One more TS1000 Hi Res Game (#9378) — Released Zoust, a 16K hi-res ZX81/TS1000 Joust homage.
ZXIO V2 Experimenters Kit (#6692) — ZXIO V2 memory-mapped I/O experimenters kit for ZX81/TS1000 announced
32K WRX compatible RAM for ZX81/TS1000 (#6689) — 32K WRX-compatible external RAM project for ZX81/TS1000 on GitHub
zx-wespi (#2774) — zx-wespi device for loading/running .P files on real ZX81, design notes
32K for the ZX81/TS1000 (#9057) — Resources/links for adding 32K RAM to the ZX81/TS1000.
New ZX81 ROM - Extended BASIC (#9015) — New ZX81 Extended BASIC (XTB) ROM with full-screen editor released.
Sinclaude (#8391) — Sinclaude: browser-based ZX81/Spectrum/Z80 emulator co-written with Claude, on GitHub
Pascal on the TS1000 (#1276) — Partial Pascal for TS1000 manual recovered, OCR'd and posted
P file to TS1510 cartridge ROM image converter (#8027) — Tool to convert ZX81/TS1000 P files to TS1510 cartridge ROM images
ZX81 replica PCBs (#7837) — ZX81 reproduction PCB resources on GitHub and Sinclair forums
ZX81/TIMEX-SINCLAIR 1000 Custom Mechanical Keyboard Prototype - Part 3 (#3956) — Ingo Schmied's ZX81/TS1000 custom mechanical keyboard prototype part 3
Update ZX81NU systems (#7538) — Completion of two ZX81NU clone systems; build and RAM timing notes.
update regarding ZX81+38 problems (#7175) — Fixing ZX81+38 clone build with schematic errors, RP1 resistor pack correction
Sinclair BASIC Variables (#3413) — Newcomer learning how Sinclair BASIC variable names work on a ZX80

ZX Spectrum

ZX Spectrum 48K Repair - Jan 2024 - Ryan got a ZX Spectrum 48K from the Bill Mil (#5525) — Diagnosing/recapping a dead ZX Spectrum 48K from Bill Miller collection; NTSC ULA, dot-crawl fix, PSU.
NTSC Spectrum (#1002185) — Deep NTSC discussion for the Spectrum and Timex 2048 — color signal, conversions, thank-yous.
TS1000 -> TS1500 Conversion Project (#5664) — TS1000-to-TS1500 conversion build using real ROMs, case painting, video mod; drifts to Spectrum 6a builds.
Switchable Timex Sinclair 2068 ROM modification (#1003483) — Switchable Spectrum-ROM mod for the TS2068, drifting into S-video and Spectranet.
ZX Spectrum 128K vs TS2068 (#1001186) — Long thread comparing 128K Spectrum to 2068, Oliger FDD, and DivIDE storage.
CZ2000 to TS2000 Prototype Conversion Project (#6840) — Converting Argentine CZ2000 into a TS2000 prototype replica; rainbow overlay techniques and PCB internals.
Investigating the Spectrum's RS232 Interface (ZX Interface 1), for a potential 2 (#6293) — Investigating ZX Interface 1 RS232 for a 2068 Spectrum-mode serial interface; Z80 accelerators discussed.
Wifi modem for TS-2068 via joystick port (#7205) — ESP-based WiFi modem via joystick port for TS2068 BBS access; build WIP and Microterm source shared
FuJinet (#7204) — FPGA-based FujiNet IO adapter ported to ZX Spectrum/TS2068 via parallel interface, boards in fab.
Convert TS2068 into ZX Spectrum 128K (#1001909) — Converting a TS2068 into a ZX Spectrum 128K-compatible machine.
Proposal for FPGA based advanced 2068 (#51) — Proposal for FPGA-based advanced 2068, Spectrum Next N-GO board fitting existing case
Hybrid 2068/spectrum 48k rom mod (#1003549) — Hybrid TS2068/Spectrum 48K ROM modification for cross-compatibility.
TS2068 switchable ROM Method (#1003516) — Method for adding switchable ROM (Timex/Spectrum) to a TS2068.
multicolour mode.... (#1003438) — Using multicolour (8x1) graphics mode on the TS2068/Spectrum.
Using a ZX Interface 1 with TS2068 (#1002706) — Using the ZX Interface 1 (microdrive/RS232/network) with a TS2068.
ZX Sectrum in VGA monitor? Anyone made it? (#1001684) — Driving a ZX Spectrum into a VGA monitor — has anyone built it? Mods discussed.
ZX Sectrum in VGA monitor? Anyone made it?‏ (#1001691) — Spectrum-to-VGA continues, drifting into CGA output from the TS2068.
Dead Spider mod (#9277) — Explanation of Spectrum ULA timing 'dead spider mod' fix
Unfinished Spectrum ROM (#8259) — ZX Spectrum prototype ROM recovered, unfinished I/O system and incompatibilities
Questions about Spectrum Compatibility and 97% Figure (#1000790) — Discussion of the oft-quoted 97% TS2068 Spectrum compatibility figure.
Spider Mod for ZX Spectrum 48 Series 2 PCB (#6283) — Spider mod and ULA replacement on ZX Spectrum 48 Series 2 PCB
ZX-Basicus (#7820) — ZX-Basicus fast ZX BASIC interpreter with format conversion
ZX Spectrum machine language book available as download (#7832) — Free ZX Spectrum assembly game-building book PDF/epub download

Timex Computer (European: TC2048/3256)

NTSC Spectrum (#1002185) — Deep NTSC discussion for the Spectrum and Timex 2048 — color signal, conversions, thank-yous.
Timex Computer 3256 Prototype (#4317) — Speculation on a next-gen 2068 drifts to the real TC3256 prototype history and Apple IIGS comparisons.
Best Exclusive TS 2068 Titlesþ (#1001429) — Community list of best TS2068-exclusive titles; expands into Didatik catalog and clones.
Any TS 2068 main PCB updates? (#6932) — Critique of TS2068 board bodges sparks new TS2068/TC2048 clone PCB design and PCBWay orders.
ZX81 / TS1000 Motherboard (#6907) — TS2068 typeface/font project, then drifts into ZX81/TS1000 made-in-France/Portugal board variant research.
Interesting announcements from last night’s Load ZX Museum livestream (#4623) — Load ZX Museum livestream announces Alvaro Lopes' drop-in CPLD SCLD replacement for TC2068
Picked these up recently from Argentina... (#6736) — eBay Czerweny CZ2000/CZ1500 finds spark detailed Argentine/Portuguese TS1500 PCB-variant and date-code analysis.
CZ2000 to TS2000 Prototype Conversion Project (#6840) — Converting Argentine CZ2000 into a TS2000 prototype replica; rainbow overlay techniques and PCB internals.
Timex Portugal in 1986 (pictures) (#1003941) — Historical photo set of Timex Portugal in 1986 with eight attachments.
Timex Connection video (#3880) — Timex Connection video on TS1500 history; drifts to Clark Calkins and ZCP/M prospects
new CPLD working (only with z80 nmos cpu) (#9251) — New working CPLD video board for Timex Computer 2068, NMOS Z80
Kio's Sinclair ZX Computers Archive (#4620) — Kio's Sinclair ZX computers archive site with many photos and TC2010 recorder.
TC 2068 no bright black mod (#6721) — TC2068 NoBRIGHT Black video mod PCBWay project, possible TS2068 use
TC2048 Hi-Resolution Graphics (#9115) — TC2048 hi-res/hi-color programs by Crowley and Owen run via emulator.
TIMEX TC2048 Schematics (#1000621) — TIMEX TC2048 schematics shared/requested.

Prototypes & rarities

"64 Column Mode Support" from T/S BASIC; was: New Timex documents uploaded (#4481) — New Timex docs scan drifts into 64-column OS-64 mode, Sprites 64, ROM fixes and memory maps.
Timex Computer 3256 Prototype (#4317) — Speculation on a next-gen 2068 drifts to the real TC3256 prototype history and Apple IIGS comparisons.
You must see this (#4465) — Lon Hildreth lends Timex docs/source; reveals the never-released Timex Microdrive (E. Arthur Brown)
Timex Store Demonstrator for TS1000 (#854) — Identifying a Timex in-store EPROM demonstrator board, dumping its ROM and getting it running in emulation
My continuing conversation with Mr. Lou Galie (part 2) (#1003364) — Continuing interview with former Timex engineer Lou Galie about TS2068 history.
CZ2000 to TS2000 Prototype Conversion Project (#6840) — Converting Argentine CZ2000 into a TS2000 prototype replica; rainbow overlay techniques and PCB internals.
PROTOTYPE TIMEX SINCLAIR 2000 (#1003982) — Sharing pictures and details of the prototype Timex Sinclair 2000.
Timex Connection video (#3880) — Timex Connection video on TS1500 history; drifts to Clark Calkins and ZCP/M prospects
Timex goodies (#223) — Donated parts haul including pre-production SCLDs and ROMs from ex-Timex source
Billy Skyrme (from Timex) on the TS2068 and TS3068 (#6200) — Billy Skyrme of Timex on the TS3068, BEU, and TS2068
Unfinished Spectrum ROM (#8259) — ZX Spectrum prototype ROM recovered, unfinished I/O system and incompatibilities
Timex design patents (#224) — Timex design patents for 2068 case, cartridge, and slot keypad
Timex Sinclair 2000 Picture and News from "Creative Computing" (April 1983) (#1004059) — Creative Computing April 1983 article picturing the prototype Timex Sinclair 2000.
A "behind the scenes" view of TS 2068 development (#8796) — Lon Hildreth's TS2068 development time capsule digitized; behind-scenes history
Timex 2000 Prototype Reproduction Video: Part 1 (#6893) — Video documenting Timex 2000 prototype reproduction project

Storage & Peripherals

Cartridges, EPROM & dumping

TS1510 on ebay (#5854) — eBay TS1510 listing becomes a TS1510 cartridge-player clone kit project with reproduction carts shipped.
UnoDos and the TS2068 (#874) — Long project: porting UnoDos/esxDos to TS2068 via FPGA, commenting code; drifts into command-syntax design.
ZX Spectrum ROM in TS2068 (#1001052) — Huge thread on Spectrum ROM in TS2068, TTL RGB, edge connectors, and a collection giveaway.
Zebra OS-64 Cartridge on Ebay... (#1003676) — eBay Zebra OS-64 cartridge sighting drifts into OS-64 manual and US/Canada newsletter discussion.
BASIC to cartidge (#2138) — Long project converting BASIC programs to TS2068 cartridge DCK images with helper Z80 code.
2068 relay board (#1589) — DIY 2068 relay control board built from schematics; drifts into bitwise operators and cart/sideways-RAM bank switching.
Test for a non-working Cartridge? (#1002938) — Long thread on how to test and diagnose a non-working command cartridge.
Q*Bert on tape? (#2011) — Hunt for QBert on tape becomes a QBert disassembly and Z80 source project; ABQ group aside.
New batch of REDESIGNED TS1510 CLONE Interface and Cartridges for purchase... (#7339) — Sale of redesigned TS1510 clone interfaces/cartridges; drifts into OS-64 docs and 512K flash-cart development.
Using Larkin Disks on the T/S 2068 (#3672) — Getting started with Larken DOS on TS2068, including printer driver commands.
TS Cartridge Rarity (#1003252) — Ebay listing drifts into extended discussion of TS cartridge rarity and value.
Larken System Software (#450) — Hunting missing Larken disk software; ends with member getting Larken and Oliger systems fully working.
Question about TS-Pico (#4981) — TS-Pico ROM remapping for Spectrum/OS-64/cartridge banks; Pico-as-coprocessor discussion.
New Mexico Timex Companies; was: ROM code calls in the 2068 (#2770) — 2068 ROM call references lead to NM Timex companies history and reverse-engineering an Aerco cart board.
TS1510 clone (#1002322) — Long thread building a modern TS1510 cartridge-player clone; design progress and attachment.
Twister w/ ROM (#1003604) — Twister ROM cartridge thread drifts into S-video output mod and a newcomer question.
tsPico sd card saves (#6401) — User struggles saving games to TS-Pico SD card; deep dive into ROM LOAD/SAVE internals and API.
Mystery Interface- Unable to Identify (#379) — Identifying mystery Timex Interface as FDD3000; covers Larken 256K ramdisk and TI ROM variants.
Timex Store Demonstrator for TS1000 (#854) — Identifying a Timex in-store EPROM demonstrator board, dumping its ROM and getting it running in emulation
Help with Androids 2764 and EPROM cart; was Convert Dock File to BIN File? (#593) — Converting Androids dock file to BIN and burning EPROM; detailed LROS/AROS header byte explanation.
2068 ROM Sources (#1000358) — Sources for TS2068 ROM dumps; drifts into a larger hardware project plan.
Shorter TS Pico Commands (#6230) — Proposal for shorter token-based TS-Pico commands; Gustavo shares ROM design history and CP/M limits.
Spectrum Emulator Cart Emulates... (#1003472) — Spectrum-emulator cartridge: what it emulates and its limits on the TS2068.
Sinclair Spectrum / TS 2068 TAP2BAS recommendations (#2256) — TAP-to-BASIC/DCK conversion tool recommendations and development for cartridge creation.
TS2068 working / not working Catridge dck files (#3708) — DIY cartridge dck files fail until AROS/LROS boot-mode header bytes identified as cause.
Zebra OS-64 Cartridge (#1003807) — Extended discussion of the Zebra OS-64 cartridge and its capabilities.
Z80 TS2068 Emulator Overflow & Half Carry Flags (#2881) — Z80 overflow/half-carry flag help for a C# emulator, ending with Aerco cartridge board scans
Five more detailed questions about creating a TS2068 AROS cartridge image (#1797) — Detailed Q&A on building TS2068 AROS cartridge images with BASIC and Z80 code.
TS 2068 ROM Disassembly book (#1422) — David's TS2068 ROM disassembly book; Burrell reformats home ROM/EXROM to reassemble byte-for-byte, bank-switching notes.
Does anyone know where I can find a Spectrum Emulator Cartridge (#1003650) — Hunt for a Spectrum emulator cartridge drifts into Timex contended-memory timing details.
Robotron for ZX81/TS1000 (#9171) — Robotron-like WRX hi-res ZX81 game sparks plans to ROMify it onto a TS1510 clone cartridge.
TS-Pico Expansion Board (#4956) — Whether TS-Pico expansion board is feed-through; cartridge-port limits, RESET/NMI signals.
The Timex/Sinclair 1000 Merchandising Display (#7942) — K-Mart TS1000 store demonstrator photos; ROM was dumped and hardware recreated on external ROM board.
Need help identifying some eproms (#1001360) — Twelve-message thread helping identify unknown EPROMs.
Those New Mexico Timex Fans (#3585) — NM Timex fans share scanned TS2068 diagnostic cart, MiniPeeker docs, and emulator getting-started guide.
NVRAM PCB made by Tom Woods (#6910) — Tom Woods NVRAM/SRAM bank-switched board for TS2068; docs, TS-Pico alternative, cartridge-saving limits.
T/S 2068 "Bounty Bob Strikes Back!" Translation (#1003461) — Translating Bounty Bob Strikes Back to the TS2068; drifts into Timex add-on talk.
Looks like I found the documentation for my Diagnostics Cartridge... (#6591) — Carl uploads scanned docs and Z80 source for his 1980s TS2068 Diagnostics cartridge before thermal paper fades.
TS 2068 Extended Video Display Option: I will only ask ONCE but I think I know t (#8918) — Whether TS2068 extended video modes need a cartridge; explains SCLD modes, OS-64, z88dk, TS-Pico hi-res copy.
missing carts recreated (#1002987) — Recreating missing Timex command cartridges from preserved dumps.
p2ts150 (#7470) — Debugging p2ts1510 tool that converts .p files to ROMs; fixed binary-mode and strncpy bugs
512kB cartridge (#1001060) — 512KB Dock cartridge project drifting into IDE/CF storage and Timex FDD utilities.
Timex 2068 cartridges... home made ones too (#1000944) — Making home-made Timex 2068 cartridges — practical how-to discussion.
To Carl re: TS1510 games (#6987) — TS1510 clone cartridge/ROM game orders; EPROM burning, plus burning the TS store demo to carts.
TS2068 ROMS (#9381) — Dumped 2068 ROMs to fix a bad-ROM machine; identifies custom EPROM mods and switchable Spectrum ROMs.
ROM patcher Python Script by Claude (#9144) — Claude-written Python ROM-patcher script for TS-Pico assembler workflows; shared with zx81-utils.
Help with Packman Cart for T/S 2068? (#629) — Burning a Pac-Man (Z-man) AROS cartridge to EPROMs: file header format, bank jumpers for 27C128/256/512
Timex Sinclair PROM Burner (#6089) — eBay PROM burner find restored and tested; scanned Jim Oram CTM articles and manual.
A Bluetooth Multicart... for the Astrocade? (#8675) — Astrocade Bluetooth multicart sparks next-gen wireless TS2068 cartridge design ideas and a flash multicart
Why Use "Out" for Spectrum Cartridge? (#1001794) — Technical Q&A on why OUT is used to access the Spectrum-emulator cartridge port.
Timex goodies (#223) — Donated parts haul including pre-production SCLDs and ROMs from ex-Timex source
TCC cartridge and DivIDE 57c (#6925) — Recovering data from TCC/NVRAM cartridges; AROS/LROS basics, TS-Pico workflow and DivIDE EsxDOS.
T/S 2068 Cartridge Explorations (#2096) — Adam's explorations of TS2068 cartridge headers (LROS/AROS), including Protector prototype.
Spectrum Cart Conversions to T/S 2068? (#622) — Argentine site of Spectrum-to-2068 cartridge conversions; member burns and runs converted ROMs.
redesigned ts1510 clone (#7353) — Collaborative debugging of redesigned TS1510 clone and EPROM ROM-replacement PCB; design fixed
Battery powering a TS2068? (#3467) — Battery/buck-converter powering of a TS2068, tail-ends into received bare Aerco cartridge boards
Hybrid 2068/spectrum 48k rom mod (#1003549) — Hybrid TS2068/Spectrum 48K ROM modification for cross-compatibility.
TS2068 switchable ROM Method (#1003516) — Method for adding switchable ROM (Timex/Spectrum) to a TS2068.
TS-Pico (#5476) — TS-Pico compatibility with printers and cartridges; Larken coexistence and TPI command printer workarounds.
Lack of cartridge port on updated 2068 (#4337) — Should an updated 2068 keep the cartridge port; DOCK RAM vs physical carts debate
TS2068 Cartridge Boards - Somethings Wrong (#3111) — Emulator list post that drifts into reverse-engineering bare Aerco TS2068 cartridge/dock boards
Using the TS2068 Command Cartridge V2 for two different AROS Programs (#1090) — Burning AROS programs to Command Cartridge V2, EPROM addressing and jumper settings
Redesigned TS1510 Clone Cartridge & Interface PCBs have arrived... (#7278) — Redesigned TS1510 clone cartridge and interface PCBs arrive, errors fixed.
For loops of zero executions in AROS (#6983) — AROS Dock bank can't run zero-execution FOR loops, unlike Home bank.
ROM Cartridge Address Decoding (#1003730) — Technical discussion of ROM cartridge address decoding on the TS2068.
Twister board schematic (#1003489) — Sharing/discussion of the Twister board schematic.
Ariel Ranieri’s EPROM cartridges (#2355) — Ariel Ranieri's EPROM cartridge project github for the TS2068
Diagnostic Cartridge for T/S 2068 (#2088) — Carl Miles' TS2068 diagnostic cartridge survives as Z80 assembly listing
Jupiter Ace emulation cartridge for real T/S 2068 (#8236) — Building Jupiter Ace emulator cartridge for real TS2068 via EEPROM programmer
ts1510 cartridge (#7741) — Technical question about EPROM pin 26/A13 wiring on modified TS1510 circuit
ZX81/TS1000/TS1500 System ROM Replacement Cartridge and Interface PCB running SP (#7465) — ZX81/TS1000 ROM replacement cartridge and interface PCB running SPonZY
Sponzy (#9207) — Getting external EPROM PCB (Sponzy) working on TS1000 with TZX loading
Bug fix for Timex/Sinclair 2068 States and Capitals cartridge (#9135) — Bug fix for 43-year-old TS2068 States and Capitals cartridge color attribute.
.dck file utility (#9021) — New dckls utility displays info from .dck virtual Command Cartridge files.
Cartridge door (3D model) (#829) — Shared 3D-printable cartridge door model (STL and OpenSCAD source)
Cartridge Board with Zif Socket (#769) — Using ZIF sockets on TS2068 EPROM cartridge boards for repeated burns
RAM to DOCK (#9247) — Moving cartridge programs between DOCK and RAM banks on TS2068
Testing TS2068 Cartridge with PicoROM-28 (#9198) — Testing TS2068 cartridge with PicoROM-28 RP2040-based EPROM emulator.
Patching cartridges or ROM using bank switching - an additional resource (#9196) — Using TS2068 bank-switching routines to copy ROM/cartridge data into RAM for editing.
TS2068 expansion port and cartridge port pinout diagrams? (#1003450) — Looking for TS2068 expansion-port and cartridge-port pinout diagrams.
EPROM copier (#6429) — Scans of homemade 1985 EPROM copier for the 2068
Some TS1510 resources (#5895) — Resource link on replicating the TS1510 cartridge interface.
TS2068 Joystick Compatibility (#1120) — TS2068 uses standard Atari 2600 joysticks; compatibility with cartridge games
Writing to Cartridge; was: Software prices‏ (#1001517) — How to write to TS2068 cartridges via EPROM/EEPROM programming.
Maximum TS 2068 Cartridge Size? (#1001495) — What is the maximum cartridge size supported by the TS2068?
Documentation for creating and testing T/S 2068 DCK files with DOSBox (#7551) — How-to for creating/testing TS2068 DCK cartridge files with DOSBox
64kB Dock cartridge with EPROM reading option (#1001064) — 64KB Dock cartridge with EPROM reading option — project announcement.
Proposal for AU (Golden) commands (#6975) — Preliminary definitions for TS-Pico Golden (AU) command/ROM routines.
New batch of RESDESIGNED TS1510 CLONE External Eprom (#9074) — Solving ROMCS/ problem on Thomas Heckmann external EPROM/TS1510 clone PCB.
SNA to LROS cartridge converter (#1002994) — Tool to convert Spectrum SNA snapshots into LROS cartridge format.
Online TAP to DCK converter (#7893) — Online TAP-to-DCK/EPROM converter tool released

Disk & floppy systems (Larken, AERCO, Oliger)

Tetris for TS2068; was: Monitor And Dissembler TS2068? (#1189) — Zeus assembler/monitor query drifts into porting Tetris to TS2068 and IF1bis/microdrive emulation
Zebra FDD 3” sk images (#2274) — Imaging and extracting Zebra FDD 3-inch disk programs (CATS disks) via FUSE and real 2068.
Larken 256K RamDisk (#576) — Larken 256K RAMdisk experiences and reverse-engineering; also ZXzine #9 and color graphics articles.
Using Larkin Disks on the T/S 2068 (#3672) — Getting started with Larken DOS on TS2068, including printer driver commands.
Larken Ramdisk (#1002877) — Long thread on configuring and using the Larken RAMdisk.
First steps in getting Microdrives running on a TS2068... (#8607) — DIY ZX Interface 1 / Microdrive clone board for the TS2068 (Interface Zero), build log and debugging
Larken System Software (#450) — Hunting missing Larken disk software; ends with member getting Larken and Oliger systems fully working.
You must see this (#4465) — Lon Hildreth lends Timex docs/source; reveals the never-released Timex Microdrive (E. Arthur Brown)
Math help, please :) (#4222) — Reverse-engineering Oliger DOS directory structure; drifts into ZX81 Z80 mouse code debugging
My review of the Willie Jones 2068 JLO disk system clone (#7242) — Review of Willie Jones JLO disk clone turns into buying/selling JLO boards, drives and TS1510 carts
ZX Spectrum 128K vs TS2068 (#1001186) — Long thread comparing 128K Spectrum to 2068, Oliger FDD, and DivIDE storage.
JLO Disk Boards & Printer Board (#4111) — Willie Jones clones JLO/Oliger floppy and printer boards; group orders kits and discusses expansion bus.
Mystery Interface- Unable to Identify (#379) — Identifying mystery Timex Interface as FDD3000; covers Larken 256K ramdisk and TI ROM variants.
CP/M source available for the T/S2068?! (#3895) — CP/M source for TS2068 explored; FDD3000 requirements, ROM paging and RS232 streams
Timex Disk Systems Overview? (#3676) — Overview of TS2068 disk systems leads to JLO board sharing and reproduction offer.
JLO Disk System (#1003379) — Discussion of the JLO (Oliger) disk system for the TS2068.
JLO Disk Interface (#384) — Getting a JLO disk interface running: board repair, EPROM/cable keying, 3.5" drives, MaxDos with Larken/Oliger
FDD Zebra Technical manual (#1003271) — Hunting for and sharing the Zebra FDD technical manual.
TS2068 disk drive systems (#1001489) — Survey of TS2068 disk-drive systems with attention to the Oliger interface; includes a new-member introduction.
512kB cartridge (#1001060) — 512KB Dock cartridge project drifting into IDE/CF storage and Timex FDD utilities.
TCC cartridge and DivIDE 57c (#6925) — Recovering data from TCC/NVRAM cartridges; AROS/LROS basics, TS-Pico workflow and DivIDE EsxDOS.
Oliger board (#1002815) — Discussion of the Oliger disk interface board for the TS2068.
Larken Disk Interface Software (#1000764) — Larken disk interface software questions and sharing.
Using a ZX Interface 1 with TS2068 (#1002706) — Using the ZX Interface 1 (microdrive/RS232/network) with a TS2068.
TS-Pico (#5476) — TS-Pico compatibility with printers and cartridges; Larken coexistence and TPI command printer workarounds.
A breakthrough! (#3936) — Breakthrough imaging Larken disks via Greaseweazle/Python and converting flux to loadable images
I give you Space War and Star Trek (#2239) — Extracting Space War game from CATS user group 3-inch FDD disks
SMUG Digitizer Programs (#4017) — De-Larkening digitized SMUG video digitizer disk programs
JLO DIsk Boards A & B and Printer Interface (#4081) — Successfully cloned JLO disk A/B and printer interface boards
Pinout of Oliger expansion board (#583) — Checking Oliger expansion slot wiring against a new experimenter's bus board
Larken disk imaging is complete! (#3659) — Imaging 210 Larken diskettes with Greaseweazle; workflow described
Additional info about the Millenia K disk interface for the TS2068 (#1003373) — Additional notes/details about the Millenia K disk interface for TS2068.
Larken 5 1/4 disk images from Bob Swoger (#3658) — Imaging Larken 5.25-inch disks from Bob Swoger's collection via Greaseweazle
FDD/FDD3000 disk geometry (#1003989) — Technical reference on FDD/FDD3000 disk geometry.
A bit of emulated Microdrive fun (#3041) — Putting Warajevo emulated Microdrive on removable USB floppy via Raspberry Pi.
Oliger Board/RGB Output (#1000785) — Oliger board and its RGB video output discussed.
Sektor 2068 Disk Editor Program (#6788) — Mowgli Assor's Sektor 2068 disk sector editor for AERCO disk system
Using Larken and Oliger together (#1003363) — Running a Larken and Oliger disk system on the same machine.
LARKEN Diskette to TAP File Port Utility (#1000529) — Utility converting LARKEN diskette files to TAP for archiving/emulation.
A&J Micro Drive Manual Model 2000 (#1645) — A&J Micro Drive Model 2000 manual and printer interface shared.

TS1510 cartridge interface

TS1510 on ebay (#5854) — eBay TS1510 listing becomes a TS1510 cartridge-player clone kit project with reproduction carts shipped.
New batch of REDESIGNED TS1510 CLONE Interface and Cartridges for purchase... (#7339) — Sale of redesigned TS1510 clone interfaces/cartridges; drifts into OS-64 docs and 512K flash-cart development.
TS1510 clone (#1002322) — Long thread building a modern TS1510 cartridge-player clone; design progress and attachment.
Timex Computer Collection Video; was: Re: Timex 1510 Cart Adapter (#1036) — Meeting with ex-Timex programmer Will Collum on 1500/1510 cart probe; collection video made and discussed.
p2ts150 (#7470) — Debugging p2ts1510 tool that converts .p files to ROMs; fixed binary-mode and strncpy bugs
To Carl re: TS1510 games (#6987) — TS1510 clone cartridge/ROM game orders; EPROM burning, plus burning the TS store demo to carts.
VCF Southwest (#9396) — VCFSW attendance chat turns to a 3D-printed TS1510 clone adding ZXpand/OpenSpand functionality.
Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 - Br (#7715) — Brainstorming a TS1560 bus expansion board: clone TS1510 carts, programmable joystick, 64K RAM, FujiNet/ZX-Wespi.
redesigned ts1510 clone (#7353) — Collaborative debugging of redesigned TS1510 clone and EPROM ROM-replacement PCB; design fixed
Redesigned TS1510 Clone Cartridge & Interface PCBs have arrived... (#7278) — Redesigned TS1510 clone cartridge and interface PCBs arrive, errors fixed.
ts1510 cartridge (#7741) — Technical question about EPROM pin 26/A13 wiring on modified TS1510 circuit
Some TS1510 resources (#5895) — Resource link on replicating the TS1510 cartridge interface.
P file to TS1510 cartridge ROM image converter (#8027) — Tool to convert ZX81/TS1000 P files to TS1510 cartridge ROM images
New batch of RESDESIGNED TS1510 CLONE External Eprom (#9074) — Solving ROMCS/ problem on Thomas Heckmann external EPROM/TS1510 clone PCB.

Tape, cassette & loading

T/S 2068 Library Tape Archiving Process (#2347) — Multi-year project archiving the T/S 2068 Library Tape to TZX/WAV, recovering BASIC and load errors.
Help me fix a file in The Crown? (#5436) — Converting game The Crown to TZX/TAP for Pico loading; deep detective work on levels, charsets and tape loading.
Archiving "Metagraphics" by Calliope Software (#3128) — Archiving Calliope's Metagraphics; deep dive into WAV/TZX conversion tools and ZX81 listing utilities
Tape Programs on the TS Pico (#8807) — TS-Pico .TAP load errors traced to SD card; drifts into Hot-Z breakpoint/single-step debugging on ZX81.
A plethora of programs (#3424) — Archiving Zebra/Swoger tapes (Tech-Draw, Sprites 2068) with emulator and tzx-to-wav workflow tips
I Got My Spectrum divMMC Today! (#639) — divMMC on TS2068 via Twister board: TZX/TAP conversion, boot-up failures traced to 2068 power/regulator weakness
zx81 tape recovery (#2784) — ZX81 tape-recovery via mvindahl dat-tape-reader JavaScript tool; debugging app.js until tapes successfully archive.
Blank Tape Recommendations?; was: Graphics One Liner - Archiving Interest? (#977) — BASIC graphics one-liner archiving drifts into blank-tape recommendations and how-to-record-tapes documentation
tsPico sd card saves (#6401) — User struggles saving games to TS-Pico SD card; deep dive into ROM LOAD/SAVE internals and API.
Adventures in .tap and .tzx (#2668) — Troubleshooting .tap/.tzx loading on real TS2068: RAMTOP limits, Spectrum ROM, weak audio input
A couple tapes for you to play around with (#2628) — Digitizing CATS user-group library tapes to WAV/TZX; loading verification and EightyOne/Fuse WAV tools
From Eric Johnson, by way of Jack Boatwright (#6541) — Jack Boatwright's garage fire destroys saved material; salvaged tapes get archived and recovered programs shared.
Tilez [from Ryan's old tapes] (#2627) — Ryan's recovered ZX81 Tilez tape drifts into boosting TS1000 save output gain and SVI-CAS/WESPI
Pico up and running, sort of (#5039) — Debugging TS-Pico load/run errors; sharing reworked Chess.tap that fixes loading on Pico.
Help with a wav file? (#3340) — Diagnosing a dodgy TS2068 cassette WAV; bad tape deck blamed, files later recovered and archived
Playing "Thief" by Ryan Gray (#2454) — Ryan Gray's tape-rescued 'Thief' game discussed, playtested, and bug-fixed across versions.
Emulators (#3299) — Emulator comparison (FUSE, EightyOne, ZEsarUX) and how to save TAP files for real machines
ZX-Wespi-Nano project (#8677) — ZX-Wespi-Nano video-capture board; user attempts to modify ESP32 C code for 60Hz and disable WAV save
How to break out of VU-File to redirect to SDcard? (#5095) — How to break VU-File autoload to save to SDcard; tips for stopping autorun tape programs.
Example of using Audacity (#2548) — Using Audacity to fix recorded tape waveform giving load errors
tape2tap utility and Warajevo tape to tap utility -- help needed (#1003187) — Help converting cassette recordings to TAP files via tape2tap and Warajevo.
Sinclair BASIC question (#5805) — How to determine dimensions of a BASIC array loaded back from tape
Rescuing 'The Crown' (#4932) — Recovering working copy of TS2068 game 'The Crown' from backup tape
WAV to TAP (#1031) — Converting WAV of ISTUG BBS program to TAP/TZX using Zesarux emulator
tzxduino (#3126) — Breadboarding TZXduino tape loader; loads TZX/P files at normal speed reliably.
Problems loading .tap on TSPico (#9011) — Troubleshooting tape errors mounting .tap files on a new TSPico.
Lunar Jetman and Jet Set Willy on the TS2068 (#6204) — Adjusting CLEAR statement to load Lunar Jetman and Jet Set Willy on 2068
ZX81 tape conversion walkthrough (#7294) — Video walkthrough of recovering ZX81 tapes with converter tool and Audacity.
Sponzy (#9207) — Getting external EPROM PCB (Sponzy) working on TS1000 with TZX loading
Loading a tap on to the TS2068 (#8418) — Loading zmakebas-generated Spectrum TAP files onto the TS2068.
ZX81/TS1000 tape archive (#3269) — Pointer to Simon Holdsworth's 600+ ZX81 tape online archive
List of CATS tapes (#2781) — Found catalog listing of CATS user-group library tapes by volume
zx-wespi (#2774) — zx-wespi device for loading/running .P files on real ZX81, design notes
Saving ML Programs to Tape (#1256) — How to save machine language routines to tape using CODE

RAM expansion & RAMdisk

Larken 256K RamDisk (#576) — Larken 256K RAMdisk experiences and reverse-engineering; also ZXzine #9 and color graphics articles.
Real CP/M on TS-2068 (#4074) — Designing a 64K RAM expansion board to run real CP/M on TS2068; cooperative PCB development.
Larken Ramdisk (#1002877) — Long thread on configuring and using the Larken RAMdisk.
Question about TS-Pico (#4981) — TS-Pico ROM remapping for Spectrum/OS-64/cartridge banks; Pico-as-coprocessor discussion.
Slightly off topic… TS1000 Help (#6651) — New member's dead TS1000 diagnosis, with ULA-replacement advice and a 32K-vs-64K Memopak RAM tangent.
Mystery Interface- Unable to Identify (#379) — Identifying mystery Timex Interface as FDD3000; covers Larken 256K ramdisk and TI ROM variants.
NVRAM PCB made by Tom Woods (#6910) — Tom Woods NVRAM/SRAM bank-switched board for TS2068; docs, TS-Pico alternative, cartridge-saving limits.
WRX16 DEMO (#3556) — Typing in Wilf Rigter's WRX16 hi-res ZX81 demo from Syncware; figuring out its mandala output.
VCF Southwest (#9396) — VCFSW attendance chat turns to a 3D-printed TS1510 clone adding ZXpand/OpenSpand functionality.
TS-2068 128K (#1003565) — Talk of a 128K RAM expansion/modification for the TS-2068.
Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 - Br (#7715) — Brainstorming a TS1560 bus expansion board: clone TS1510 carts, programmable joystick, 64K RAM, FujiNet/ZX-Wespi.
TS1500 and 16k RAM pack (#3517) — How the TS1500 wires RAMRM so a 16K pack adds to 32K total, unlike the TS1000.
TCC cartridge and DivIDE 57c (#6925) — Recovering data from TCC/NVRAM cartridges; AROS/LROS basics, TS-Pico workflow and DivIDE EsxDOS.
TS2068 simple upgrade: 512kB RAM, 128kB PEROM (#1000751) — Project: 512KB RAM plus 128KB PEROM upgrade for the TS2068.
TS-Pico Memory (#6213) — Whether TS-Pico's 512K SRAM is usable from MicroPython or banked into 2068
An external expansion to 128K RAM for TS/TC2068 (#700) — External 128K RAM expansion module project for TS/TC2068
RAM to DOCK (#9247) — Moving cartridge programs between DOCK and RAM banks on TS2068
follow up on ZX81 clone project (#6770) — ZX81 clone PCB address resistor tuning to work with static RAM chips
ZX81 Expanded Memory (#7996) — Research draft on using ZX81 memory beyond normal 16K RAM
32K WRX compatible RAM for ZX81/TS1000 (#6689) — 32K WRX-compatible external RAM project for ZX81/TS1000 on GitHub
32K for the ZX81/TS1000 (#9057) — Resources/links for adding 32K RAM to the ZX81/TS1000.

Modems, serial & RS-232

Modems and Voice-Over-IP Lines (#5281) — VoIP-line modem experiments; MTerm archiving; drifts to BBS-hosted Infocom/Zork text adventures.
Timex 2050 Modem and Serial Port Conversion (#5417) — Acquiring 2050 modems becomes a real project to convert them to RS-232 serial ports and TS-Pico boards.
ABQ User Group Meeting - Sat. Feb. 3, 2024 (#5879) — ABQ user group meeting minutes: Kaypro CP/M, Timex 2050 modem serial mod, wide-ranging chatter.
TS2060 parallel and serial interfaces (#4519) — TS2068 parallel/serial channel spec discussion; leads to BBS and wifi-modem project ideas
First steps in getting Microdrives running on a TS2068... (#8607) — DIY ZX Interface 1 / Microdrive clone board for the TS2068 (Interface Zero), build log and debugging
How to do Binary Comparison (BIT Test) in Timex Basic (#3958) — How to do bitwise/BIT tests in Timex BASIC; multiple BASIC and machine-code solutions offered
Serial Port Cards for TS2068 - 10 Ordered (#3762) — Group buy and PCB development of a TS2068 serial port card; boards ordered and debugged.
TS2068 Serial Port Cards - Busted (#3831) — Busted serial port cards; pivots to bit-banging RS-232 via joystick/IOA5 lines for internet access
Timex/Sinclair 2050 Modem with actual TS2050 Label (#5054) — Verified-genuine TS2050 modem photos; Westridge origin, RS-232 9600bps mod, website update.
Investigating the Spectrum's RS232 Interface (ZX Interface 1), for a potential 2 (#6293) — Investigating ZX Interface 1 RS232 for a 2068 Spectrum-mode serial interface; Z80 accelerators discussed.
Westridge TS-2050 Modem (#1000049) — Long technical thread on the Westridge TS-2050 modem.
TS-2050 modem (#1000248) — Long discussion of the TS-2050 modem with technical detail.
Wifi modem for TS-2068 via joystick port (#7205) — ESP-based WiFi modem via joystick port for TS2068 BBS access; build WIP and Microterm source shared
My guess..... (#1000263) — Drifts from speculation into posting found 2050 modem schematics.
Serial Port Works (#4023) — Working TS2068 RS-232 serial port; ideas for Raspberry Pi printer interface and terminal links
MTERM manuals (#472) — Inventory of MTERM 2050/2068 telecommunications manuals offered for scanning
WC2050 Hack to convert to serial port... (#1000253) — WC2050 hack to convert it to a serial port.
2050 schematics (#1000274) — 2050 modem schematics shared with the group.

Printers & plotters

Using Larkin Disks on the T/S 2068 (#3672) — Getting started with Larken DOS on TS2068, including printer driver commands.
TS2060 parallel and serial interfaces (#4519) — TS2068 parallel/serial channel spec discussion; leads to BBS and wifi-modem project ideas
Printing from Arduino to a ZX Printer (#1912) — Driving a ZX Printer from an Arduino Mega via custom edge-connector shield; PCB sharing.
JLO Disk Boards & Printer Board (#4111) — Willie Jones clones JLO/Oliger floppy and printer boards; group orders kits and discusses expansion bus.
Why does the TS2040 use 24v? (#8558) — Why TS2040 printer uses 24VAC; drifts into USB-C power-supply options for TS2068/1000/1500
Serial Port Works (#4023) — Working TS2068 RS-232 serial port; ideas for Raspberry Pi printer interface and terminal links
TS2040 Thermal Printer Schematic (#4004) — Request for dead TS2040 thermal printer schematic; locating correct schematic and IC corrections
Calendar Print (#2570) — Ryan Gray's reconstructed calendar-printer BASIC program with SCREEN$ images and Fuse/ImageMagick printing
TS-Pico (#5476) — TS-Pico compatibility with printers and cartridges; Larken coexistence and TPI command printer workarounds.

Joysticks & controllers

Some news. Also looking for Zebra Systems Graphics designer (#1002351) — Catch-up thread: news, wanted Zebra Graphics designer, TS1500 talk, then Fuse serial joysticks.
TS2068 Serial Port Cards - Busted (#3831) — Busted serial port cards; pivots to bit-banging RS-232 via joystick/IOA5 lines for internet access
TS2068 Joystick Compatibility (#1120) — TS2068 uses standard Atari 2600 joysticks; compatibility with cartridge games

Pico / modern interfaces (UnoDos, etc.)

UnoDos and the TS2068 (#874) — Long project: porting UnoDos/esxDos to TS2068 via FPGA, commenting code; drifts into command-syntax design.
Timex 2050 Modem and Serial Port Conversion (#5417) — Acquiring 2050 modems becomes a real project to convert them to RS-232 serial ports and TS-Pico boards.
Video Upgrade Board for TS2068 (#306) — Jeff Burrell proposes and builds an FPGA-based RGB/video upgrade PCB for the TS2068.
Tape Programs on the TS Pico (#8807) — TS-Pico .TAP load errors traced to SD card; drifts into Hot-Z breakpoint/single-step debugging on ZX81.
Question about TS-Pico (#4981) — TS-Pico ROM remapping for Spectrum/OS-64/cartridge banks; Pico-as-coprocessor discussion.
I Got My Spectrum divMMC Today! (#639) — divMMC on TS2068 via Twister board: TZX/TAP conversion, boot-up failures traced to 2068 power/regulator weakness
TSAnim: Full motion video on the T/S 2068 (all 4 frames of it) (#7483) — AI-assisted Z80 4-frame video player TSAnim demo; drifts into ChatGPT-for-Z80-coding discussion
tsPico sd card saves (#6401) — User struggles saving games to TS-Pico SD card; deep dive into ROM LOAD/SAVE internals and API.
ZX Spectrum 128K vs TS2068 (#1001186) — Long thread comparing 128K Spectrum to 2068, Oliger FDD, and DivIDE storage.
TS Pico interface (#2304) — Ricardo's TS-Pico RP2040 storage interface: development, schematics/PCB release, debugging.
Shorter TS Pico Commands (#6230) — Proposal for shorter token-based TS-Pico commands; Gustavo shares ROM design history and CP/M limits.
Timex Disk Systems Overview? (#3676) — Overview of TS2068 disk systems leads to JLO board sharing and reproduction offer.
Pico up and running, sort of (#5039) — Debugging TS-Pico load/run errors; sharing reworked Chess.tap that fixes loading on Pico.
Issue with a TS 2068 (#7969) — divMMC plugged without a twister fries a 2068; long RAM/TTL/Z80 repair, board mailed to Carl for fixing.
Raspberry Pi 4 Sinclair ZX81 Emulator (#9082) — Hunting a ZX81 emulator for Raspberry Pi 4 ARM; settles on ZEsarUX plus EightyOne-via-Wine workarounds.
TS-Pico Expansion Board (#4956) — Whether TS-Pico expansion board is feed-through; cartridge-port limits, RESET/NMI signals.
SE Basic on Timex 2068 (#9365) — Getting SE Basic and TS2068 ROMs working in FUSE; ties into SE/Chloe and TS-Pico architecture.
NVRAM PCB made by Tom Woods (#6910) — Tom Woods NVRAM/SRAM bank-switched board for TS2068; docs, TS-Pico alternative, cartridge-saving limits.
Wide video modes (#8416) — TS2068 64-column wide mode garbage explained; needs Zebra OS-64, Tasword/Mscript or Pico virtual cartridge
Quick Reference for TS Pico (#5181) — Randy's single-page TS-Pico quick-reference sheet; hidden commands and tips added, hosted on GitHub.
Elite without Lens Lock Tech? (#798) — Getting Elite past Lenslock copy protection on TS2068 via FUSE/LensKey snapshots and divMMC SNA/Z80 files
512kB cartridge (#1001060) — 512KB Dock cartridge project drifting into IDE/CF storage and Timex FDD utilities.
CDs as a storage device -- my successes and failures thus far (#1000519) — Project report: using CDs as TS2068 mass storage — successes and failures.
How to break out of VU-File to redirect to SDcard? (#5095) — How to break VU-File autoload to save to SDcard; tips for stopping autorun tape programs.
Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 - Br (#7715) — Brainstorming a TS1560 bus expansion board: clone TS1510 carts, programmable joystick, 64K RAM, FujiNet/ZX-Wespi.
ROM replacement services (#1001266) — ROM-replacement services and the FlashD0 modern ROM device for TS2068.
FuJinet (#7204) — FPGA-based FujiNet IO adapter ported to ZX Spectrum/TS2068 via parallel interface, boards in fab.
A Bluetooth Multicart... for the Astrocade? (#8675) — Astrocade Bluetooth multicart sparks next-gen wireless TS2068 cartridge design ideas and a flash multicart
New: How to use ZX Spectrum mode on your TS-Pico (#5444) — How to use ZX Spectrum (TC2048) ROM mode on the TS-Pico; hi-res 512x192 incompatibility noted.
TCC cartridge and DivIDE 57c (#6925) — Recovering data from TCC/NVRAM cartridges; AROS/LROS basics, TS-Pico workflow and DivIDE EsxDOS.
TS2068 FujiNet (#1328) — Proposal to port FujiNet (WiFi/SD) to TS2068; IF1/printer emulation challenges discussed.
TS Pico Script (#7588) — TS-Pico save script shared; discussion of BASIC renumbering and assemblers (Zeus, Hot-Z)
menu program for TSPico (#6968) — BASIC menu/helper programs for the TS-Pico; PAUSE timing and a planned machine-language interface.
T/S 2068 version of a ZXSpand (#1003185) — Discussion of porting the ZXSpand SD-card interface to the TS2068.
New FPGA Board (#2362) — FPGA board exploration (Efinix Trion); drifts to CH376 USB/SD module and ZX-Uno FPGA TS2068.
TS-Pico (#5476) — TS-Pico compatibility with printers and cartridges; Larken coexistence and TPI command printer workarounds.
Coming soon-ish: OpenSpand (ZXpand) for the ZX81/TS1000 (#9427) — Ordering OpenSpand (ZXpand) boards for ZX81/TS1000 availability.
2068 and pico info (#5363) — New user's TS2068 PICO questions: max SD card size and setup
tzxduino (#3126) — Breadboarding TZXduino tape loader; loads TZX/P files at normal speed reliably.
Problems loading .tap on TSPico (#9011) — Troubleshooting tape errors mounting .tap files on a new TSPico.
TS-Pico Memory (#6213) — Whether TS-Pico's 512K SRAM is usable from MicroPython or banked into 2068
TS Pico External Commands (#5255) — Example of TS-Pico External Commands using Python extcmd.py library
My first computer experience: Hangman (green screen terminal recreation with TS (#9040) — Hangman BASIC implementation for TS2068/TSPico with ~24000 word list.
tsPico SD card follow up. (#6484) — Which SD cards work with TS-Pico; FAT vs FAT32 formatting results
ZX-Wespi Nano Project - Replaces the RF Modulator and brings VGA Video and Netwo (#8672) — ZX-Wespi Nano project replacing RF modulator, adding VGA video and network fileserver
SD Cart for the Timex 1000 (#1600) — BackBit Pro SD cartridge supports the Timex 1000.
Spectrum 1-chip IDE interface <--> 2068? (#1000775) — Can the Spectrum 1-chip IDE interface work with the TS2068?
DivMMC on TS2068 (#1003602) — Using a DivMMC SD-card interface on the TS2068.
Testing TS2068 Cartridge with PicoROM-28 (#9198) — Testing TS2068 cartridge with PicoROM-28 RP2040-based EPROM emulator.
TS-Pico helper (#6512) — TS-Pico helper BASIC program simplifying command entry
TS Pico and diagnostics ROM/DCK (#5321) — Videos of TS-Pico diagnostics ROM/DCK running keyboard and memory tests
Proposal for AU (Golden) commands (#6975) — Preliminary definitions for TS-Pico Golden (AU) command/ROM routines.
One more TS1000 Hi Res Game (#9378) — Released Zoust, a 16K hi-res ZX81/TS1000 Joust homage.
zx-wespi (#2774) — zx-wespi device for loading/running .P files on real ZX81, design notes
Using the divMMC to LOAD/SAVE a BASIC Program (#675) — How to LOAD/SAVE BASIC programs using divMMC without the menu
Micropython versions and TS-Pico (#7354) — MicroPython version incompatibility breaking TS-Pico script after v1.20
Sucessful replacement of AY-3-8912 with AY-3-8912A (#3325) — Replacing defective AY-3-8912 with AY-3-8912A in TS-Pico project

Video & Hardware Mods

Video upgrades (composite, RGB, HDMI)

ZX Spectrum ROM in TS2068 (#1001052) — Huge thread on Spectrum ROM in TS2068, TTL RGB, edge connectors, and a collection giveaway.
ZX Spectrum 48K Repair - Jan 2024 - Ryan got a ZX Spectrum 48K from the Bill Mil (#5525) — Diagnosing/recapping a dead ZX Spectrum 48K from Bill Miller collection; NTSC ULA, dot-crawl fix, PSU.
NTSC Spectrum (#1002185) — Deep NTSC discussion for the Spectrum and Timex 2048 — color signal, conversions, thank-yous.
"64 Column Mode Support" from T/S BASIC; was: New Timex documents uploaded (#4481) — New Timex docs scan drifts into 64-column OS-64 mode, Sprites 64, ROM fixes and memory maps.
ABQ User Group "Meeting" - Sat. Feb. 25, 2023 (#2936) — ABQ meeting recap drifts into TS1000 composite-video mods, recapping, and a ZX81 game type-in.
Video Upgrade Board for TS2068 (#306) — Jeff Burrell proposes and builds an FPGA-based RGB/video upgrade PCB for the TS2068.
Regarding Improving Stock Video (#1953) — Detailed TS2068 power-supply recap/mod walkthrough: 15V-to-12V regulator, voltage rails, switching hiss
TS1000 -> TS1500 Conversion Project (#5664) — TS1000-to-TS1500 conversion build using real ROMs, case painting, video mod; drifts to Spectrum 6a builds.
Timex hi-resolution modes - CP/M (#1001820) — Deep discussion of Timex hi-resolution video modes under CP/M, plus a software offer.
My New 2068 Toys/RGB Monitor Adapter Works - Hooray! (#530) — David's RGB monitor adapter works; long thread on HDMI conversion, capture-device sync issues and RF background.
Switchable Timex Sinclair 2068 ROM modification (#1003483) — Switchable Spectrum-ROM mod for the TS2068, drifting into S-video and Spectranet.
Video Blurry; was: TS 2068 - Sound/Hissing Problem (#1001405) — Sound-hissing diagnosis drifts into video-blurry repair and a definitive TS2068 video fix.
Topics for Next Timex Sinclair Zoom Meeting (End-of-July?) (#242) — Zoom-meeting topic call became a detailed 2068 RGB/bright-signal video-out engineering project
Inspired to Play the 2068 (#1003902) — Playing the 2068 leads to a Terra Cresta translation attempt and color-adjustment tips.
Twister w/ ROM (#1003604) — Twister ROM cartridge thread drifts into S-video output mod and a newcomer question.
Interesting announcements from last night’s Load ZX Museum livestream (#4623) — Load ZX Museum livestream announces Alvaro Lopes' drop-in CPLD SCLD replacement for TC2068
YUV to RGB conversion PCB from David... (#5594) — Finishing and testing a YUV-to-RGB converter PCB for TS2068; brief Zoom meeting scheduling aside.
Potential full color video solution (#386) — Pursuing full-color RGB solution using TMS-RGB board and SCLD/MC1377 analysis for 2068.
Video Board Update (#3253) — Jeff's FPGA/VHDL video board with 80-column and enhanced TS graphics modes tested and demoed.
TS 2068 Video Problem (#1003422) — Extended troubleshooting of a TS2068 video output problem.
Sinclair ZX80 and the Chroma80 (#6152) — Chroma80 SCART interface leads to a ZX80 clone build with video troubleshooting updates.
A glorious day! (#66) — Repaired 2068 video outputs compared; drifts to David's custom keyboard build and Spectrum keycap stickers.
TS2068 RGB (#1003849) — Multi-message technical thread on adding RGB video output to the TS2068.
2068 Video (color) problem... (#1000826) — Diagnosing TS2068 video colour problem — extended troubleshooting thread.
RGB Video (#1001705) — RGB video for the TS2068; thread spun from discussion of the Essential Guide book.
Hello and S-video mod for TS2068 (#1004008) — Newcomer introduction leading into an S-video modification for the TS2068.
Terminator 1000 - batery powered Timex 1000 (#6703) — Battery-powered 'Terminator 1000' build, then troubleshooting why a TS1500 won't display WRX/hi-res graphics.
Composite TVs and Monitors (#5508) — Composite-ready TV recommendations for modded TS1000/TS1500; covers composite mod boards, then turns to parts trades.
TS-Pico Expansion Board (#4956) — Whether TS-Pico expansion board is feed-through; cartridge-port limits, RESET/NMI signals.
RGB Adapter for T/S 2068 (#1003205) — Building an RGB output adapter for the TS2068; schematics and photos attached.
TS 2068 Extended Video Display Option: I will only ask ONCE but I think I know t (#8918) — Whether TS2068 extended video modes need a cartridge; explains SCLD modes, OS-64, z88dk, TS-Pico hi-res copy.
T/S Video Board/Monitor Questions (#8706) — 60Hz vs 50Hz refresh and epilepsy concerns; VGA/HDMI/CRT monitor advice for TS video output
TS 2068 - VGA (#1002761) — VGA output mod/conversion for the TS2068; technical discussion.
TS 2068 on a modern cable ready TV (#1001252) — Long how-to thread on getting TS2068 video onto a modern cable-ready TV.
Hardware help? (#2852) — YUV-to-RGB converter circuit becomes a group-buy EasyEDA board project for CGA/HDMI output
Timex/Sinclair 1000 RF out to TV (#2470) — TS1000 RF won't tune on digital TVs; leads to composite video mod and ULA dark-video fixes
Wide video modes (#8416) — TS2068 64-column wide mode garbage explained; needs Zebra OS-64, Tasword/Mscript or Pico virtual cartridge
More on CGA (#1001721) — More on CGA output from the TS2068 — driving CGA monitors, follow-up to VGA thread.
RGB Video Upgrade/Adapter for T/S 2068 (#504) — RGB/HDMI upgrade options for 2068 via Sega Genesis adapter and Commodore monitor wiring.
TS2068: R69 value in composite video output circuit? (#4013) — R69 composite-video resistor value mystery; schematic vs SAMS vs actual installed part discrepancy
TS 2068 Edge Connector Source / Advice for RGB Connection (#1001437) — Sourcing the TS2068 edge connector and wiring it for an RGB monitor connection.
T/S 2068 Composite to HDMI Problems (#2020) — TS2068 composite-to-HDMI won't lock; explores video signal issues and YUV-to-analog-RGB mod.
GBS-8220 GBS8220 CGA EGA YPbPr to 2VGA and TS-2068 (#1003003) — Using the GBS-8220 video converter (CGA/EGA/YPbPr to VGA) with the TS2068.
ZX Sectrum in VGA monitor? Anyone made it? (#1001684) — Driving a ZX Spectrum into a VGA monitor — has anyone built it? Mods discussed.
Yet another attempt at getting decent video (#2033) — YUV-to-RGB converter schematic to improve 2068 video and show 15 colors
Connect TS2068 to monitor (#8365) — Testing an untested eBay TS2068: power supply conversion and video output
TS2068 -to- Sony TV (#1000100) — Connecting TS2068 to a Sony TV — resolved with a working solution.
ZX Sectrum in VGA monitor? Anyone made it?‏ (#1001691) — Spectrum-to-VGA continues, drifting into CGA output from the TS2068.
"12-Volt Modification" [To Get a Clean Composite Picture] (#1001452) — 12-volt modification to obtain a clean composite picture from the TS2068.
S-Video / Composite Video Color Fix.. (#1004023) — Fixing TS2068 color via an S-Video / composite video modification.
new CPLD working (only with z80 nmos cpu) (#9251) — New working CPLD video board for Timex Computer 2068, NMOS Z80
Hi-Res Upgrade (#7815) — Questions about ZX81/TS1000 hi-res video mod and requirements
TS2068 on VGA finally (#1003803) — Member finally gets TS2068 video output working on a VGA monitor.
TC 2068 no bright black mod (#6721) — TC2068 NoBRIGHT Black video mod PCBWay project, possible TS2068 use
TC2048 Hi-Resolution Graphics (#9115) — TC2048 hi-res/hi-color programs by Crowley and Owen run via emulator.
ZX-Wespi Nano Project - Replaces the RF Modulator and brings VGA Video and Netwo (#8672) — ZX-Wespi Nano project replacing RF modulator, adding VGA video and network fileserver
RGB adapter audio (#7758) — Fixing missing audio through RGB adapter due to mono/stereo pin mismatch
Timex 2068 RGB to SONY TV - PErfect picture. (#1001447) — Getting a perfect picture from the TS2068's RGB output into a Sony TV.
No video output on my 2068. (#7557) — Troubleshooting no video output on 2068; only PicoVideo works.
TS1500 composite video output (#3012) — How to add composite video output to TS1500/TS1500A boards.
Oliger Board/RGB Output (#1000785) — Oliger board and its RGB video output discussed.
ZX81 video including pseudo hires, true hires (wrx), and rampack mod (#2671) — ZX81 video doc covering pseudo-hires, true hires (WRX), and rampack mod
Digital ZX81/TS1000 back porch mod for 2C184 or earlier ULA (#9061) — Digital back porch mod circuit for ZX81/TS1000 with 2C184 or earlier ULA.
TS 2068 - RGR - Digital or Analog? (#1001436) — Is the TS2068's RGB output digital or analog? Definitive clarification.
Getting the BRIGHT signal (#331) — Extracting BRIGHT signal from NTSC using window comparators for color
Z88DK Compiler Switches For Display Modes (#3729) — Z88DK compiler switches to enable 32/64 column display modes on TS2068

Repair & restoration

ZX Spectrum 48K Repair - Jan 2024 - Ryan got a ZX Spectrum 48K from the Bill Mil (#5525) — Diagnosing/recapping a dead ZX Spectrum 48K from Bill Miller collection; NTSC ULA, dot-crawl fix, PSU.
ABQ User Group "Meeting" - Sat. Feb. 25, 2023 (#2936) — ABQ meeting recap drifts into TS1000 composite-video mods, recapping, and a ZX81 game type-in.
Test for a non-working Cartridge? (#1002938) — Long thread on how to test and diagnose a non-working command cartridge.
Regarding Improving Stock Video (#1953) — Detailed TS2068 power-supply recap/mod walkthrough: 15V-to-12V regulator, voltage rails, switching hiss
TS1000 -> TS1500 Conversion Project (#5664) — TS1000-to-TS1500 conversion build using real ROMs, case painting, video mod; drifts to Spectrum 6a builds.
TS2068 Repairs Dec 2023 -- Ian's Machine and Ryan's two TS2068 machines (#5242) — Detailed writeup of repairing Ian's and Ryan's TS2068s; dead donor machine revived as a socketed test machine.
Digest Number 261 (#1000654) — Digest covering Sinclair tokenized keyboard and PS/2 keyboard interface.
Any TS 2068 main PCB updates? (#6932) — Critique of TS2068 board bodges sparks new TS2068/TC2048 clone PCB design and PCBWay orders.
I Got My Spectrum divMMC Today! (#639) — divMMC on TS2068 via Twister board: TZX/TAP conversion, boot-up failures traced to 2068 power/regulator weakness
Slightly off topic… TS1000 Help (#6651) — New member's dead TS1000 diagnosis, with ULA-replacement advice and a 32K-vs-64K Memopak RAM tangent.
Video Blurry; was: TS 2068 - Sound/Hissing Problem (#1001405) — Sound-hissing diagnosis drifts into video-blurry repair and a definitive TS2068 video fix.
T/S 2068 Power Supply Replacement (#773) — TS2068 power supply replacement: Jameco part, regulator/cap upgrades, capacitor theory, with off-topic electric-shock anecdotes
My Alternate T/S 2068 Computer - Recapping? (#7677) — Recapping an alternate TS2068; covers common failures, RAM chips, stereo audio mod, later TS1500 caps.
TS2068 Sound Issue (#5733) — Diagnosing no-sound TS2068 (failed speaker/AY); drifts to designing stereo AY output board on expansion bus.
Toasted TS2068 (#4275) — Toasted TS2068 after VCFMW diagnosed as lower-16K RAM failure; suggestion to compile a hardware-fix FAQ
Picked these up recently from Argentina... (#6736) — eBay Czerweny CZ2000/CZ1500 finds spark detailed Argentine/Portuguese TS1500 PCB-variant and date-code analysis.
TS 2068 Video Problem (#1003422) — Extended troubleshooting of a TS2068 video output problem.
A glorious day! (#66) — Repaired 2068 video outputs compared; drifts to David's custom keyboard build and Spectrum keycap stickers.
TS2068 working / not working Catridge dck files (#3708) — DIY cartridge dck files fail until AROS/LROS boot-mode header bytes identified as cause.
2068 Video (color) problem... (#1000826) — Diagnosing TS2068 video colour problem — extended troubleshooting thread.
Tilez [from Ryan's old tapes] (#2627) — Ryan's recovered ZX81 Tilez tape drifts into boosting TS1000 save output gain and SVI-CAS/WESPI
JLO Disk Interface (#384) — Getting a JLO disk interface running: board repair, EPROM/cable keying, 3.5" drives, MaxDos with Larken/Oliger
TS1000/1500/ZX81 power supply (#8385) — Carl Miles makes/sells modern replacement switching power supplies for ZX81/TS1000/1500
Issue with a TS 2068 (#7969) — divMMC plugged without a twister fries a 2068; long RAM/TTL/Z80 repair, board mailed to Carl for fixing.
Terminator 1000 - batery powered Timex 1000 (#6703) — Battery-powered 'Terminator 1000' build, then troubleshooting why a TS1500 won't display WRX/hi-res graphics.
Composite TVs and Monitors (#5508) — Composite-ready TV recommendations for modded TS1000/TS1500; covers composite mod boards, then turns to parts trades.
Help with T/S 2068 Repair (#6608) — Detailed TS2068 repair: heat-related failure, suspect Z80 and U9 74LS245, RAM voltage and IC-substitution advice.
Looks like I found the documentation for my Diagnostics Cartridge... (#6591) — Carl uploads scanned docs and Z80 source for his 1980s TS2068 Diagnostics cartridge before thermal paper fades.
T/S Video Board/Monitor Questions (#8706) — 60Hz vs 50Hz refresh and epilepsy concerns; VGA/HDMI/CRT monitor advice for TS video output
TS1500 Keyboard Membranes (#1002485) — TS1500 keyboard-membrane replacement that drifts into TS2068 upgrades and mods.
Timex/Sinclair 1000 RF out to TV (#2470) — TS1000 RF won't tune on digital TVs; leads to composite video mod and ULA dark-video fixes
TS2068 ROMS (#9381) — Dumped 2068 ROMs to fix a bad-ROM machine; identifies custom EPROM mods and switchable Spectrum ROMs.
TS2068 Power supply (#1003525) — Diagnosing and replacing the TS2068 power supply.
Keyboard Membranes (#1002772) — Sources and techniques for replacement keyboard membranes.
Why does the TS2040 use 24v? (#8558) — Why TS2040 printer uses 24VAC; drifts into USB-C power-supply options for TS2068/1000/1500
Power Circuitry Replacement (#5314) — Whether to replace TS2068 internal power circuitry; switch-mode noise worsened by socketed regulators and Pico load.
ROM replacement services (#1001266) — ROM-replacement services and the FlashD0 modern ROM device for TS2068.
TS2068: R69 value in composite video output circuit? (#4013) — R69 composite-video resistor value mystery; schematic vs SAMS vs actual installed part discrepancy
TS1500 and 16k RAM pack (#3517) — How the TS1500 wires RAMRM so a 16K pack adds to 32K total, unlike the TS1000.
TS2040 Thermal Printer Schematic (#4004) — Request for dead TS2040 thermal printer schematic; locating correct schematic and IC corrections
Battery powering a TS2068? (#3467) — Battery/buck-converter powering of a TS2068, tail-ends into received bare Aerco cartridge boards
TS2068 Keyboard Membrane Conductive Strip (#1003577) — Restoring the conductive strip on a TS2068 keyboard membrane.
TS-1500 Schematic (#966) — Request for a good TS1500 schematic; Carl supplies it plus 4416-vs-4116 RAM/power-supply design notes
TS2068 Internal Power Supply Replacement / Repair (#295) — Replacing internal 2068 power supply with Chinese switching modules and recapping electrolytics.
ts 1500 schematic (#1003149) — Request and sharing of the TS1500 schematic for repair reference.
Connect TS2068 to monitor (#8365) — Testing an untested eBay TS2068: power supply conversion and video output
"12-Volt Modification" [To Get a Clean Composite Picture] (#1001452) — 12-volt modification to obtain a clean composite picture from the TS2068.
S-Video / Composite Video Color Fix.. (#1004023) — Fixing TS2068 color via an S-Video / composite video modification.
Diagnostic Cartridge for T/S 2068 (#2088) — Carl Miles' TS2068 diagnostic cartridge survives as Z80 assembly listing
Starting the upgrade to Adam's TS2068 - Power Supply and AY Stereo Sound (#8691) — Upgrading a TS2068 with switching power supply and AY stereo sound to reduce hiss
My TS1000 3D Printed Case (#1856) — 3D-printed TS1000 case design on Thingiverse with keyboard tray mods.
TS2068 with defective ROM ? (#428) — Diagnosing TS2068 defective ROM via Spectrum ROM swap test
RAS/CAS timing from SCLD to lower RAM (#4290) — Requesting RAS/CAS timing capture to explore SRAM replacement for 2068 RAM failures
Horizontal bars display on power up, (#568) — TS2068 shows horizontal bars on power up; troubleshooting with good voltages/clocks
A happy day! (#58) — TS2068 repaired: RAM chip, 12V regulator, and 5V inductor coil failures
New Replacement Faceplates / Keyboard Overlays (#1004041) — New replacement faceplates and keyboard overlays being produced for the TS2068.
Defective 2068 (#9431) — Step-by-step isolating a short and bad 4416 RAM on a 2068.
TS1500 cost reduction version Diagram (#9393) — Schematic for the TS1500 cost-reduced version from Timex Portugal.
Dead Spider mod (#9277) — Explanation of Spectrum ULA timing 'dead spider mod' fix
TS 2068 Schematic (#6624) — Scanned TS2068 blueprint schematic uploaded to archive.org
Quick question on a ZX-80 (#8346) — Troubleshooting ZX80 sync: IORQ line and missing horizontal sync signal
No video output on my 2068. (#7557) — Troubleshooting no video output on 2068; only PicoVideo works.
TS1500 composite video output (#3012) — How to add composite video output to TS1500/TS1500A boards.
TIMEX TC2048 Schematics (#1000621) — TIMEX TC2048 schematics shared/requested.
Blown up TS2068 (#6485) — Diagnosing/fixing a TS2068 blown by wrong-polarity Walmart PSU; LM78L12 regulator advice
Spider Mod for ZX Spectrum 48 Series 2 PCB (#6283) — Spider mod and ULA replacement on ZX Spectrum 48 Series 2 PCB
2068 power (#8551) — Detailed troubleshooting steps for diagnosing a dead/no-power TS2068 board
TS Pico and diagnostics ROM/DCK (#5321) — Videos of TS-Pico diagnostics ROM/DCK running keyboard and memory tests
Mahjongg ZX81+38 clone "NO DELETE" fix! (#7135) — Fix for ZX81+38 clone NO DELETE fault via keyboard pull-up resistor correction
No plus 5 volts (#9435) — Detailed TS2068 power-supply voltage diagnostic procedure.
Production improved (#9236) — Insider account of Timex factory board testing and assembly process
PCB repair soldering/unsoldering techniques (#5998) — Expert PCB desoldering/repair techniques to avoid damaging traces and ICs.
TS2068 repair vs. symptoms (#5364) — Repairing burned-up TS2068 with socketed CMOS ICs and decoupling capacitors
15 volt PS for TS2068 (#1389) — Finding a suitable tip-negative 15V power supply with polarity changer for TS2068
Horizontal bars display on power up (#579) — Horizontal bars diagnosis: bus held improperly by I/O interface logic
update regarding ZX81+38 problems (#7175) — Fixing ZX81+38 clone build with schematic errors, RP1 resistor pack correction
Sucessful replacement of AY-3-8912 with AY-3-8912A (#3325) — Replacing defective AY-3-8912 with AY-3-8912A in TS-Pico project

Hardware projects & new boards

TS1510 on ebay (#5854) — eBay TS1510 listing becomes a TS1510 cartridge-player clone kit project with reproduction carts shipped.
UnoDos and the TS2068 (#874) — Long project: porting UnoDos/esxDos to TS2068 via FPGA, commenting code; drifts into command-syntax design.
Timex 2050 Modem and Serial Port Conversion (#5417) — Acquiring 2050 modems becomes a real project to convert them to RS-232 serial ports and TS-Pico boards.
Timex Computer 3256 Prototype (#4317) — Speculation on a next-gen 2068 drifts to the real TC3256 prototype history and Apple IIGS comparisons.
Timex Digitizer was: Even more newsletters, featuring Willie Jones! (#1654) — Newsletter feature drifts into recreating the Timex/SMUG video digitizer as a PCB project.
2068 relay board (#1589) — DIY 2068 relay control board built from schematics; drifts into bitwise operators and cart/sideways-RAM bank switching.
Larken 256K RamDisk (#576) — Larken 256K RAMdisk experiences and reverse-engineering; also ZXzine #9 and color graphics articles.
Archiving "Timeblasters" by Calliope Software (#3129) — Archiving Calliope's Timeblasters drifts into disassembly and a Dual Bus DMA hardware idea
Video Upgrade Board for TS2068 (#306) — Jeff Burrell proposes and builds an FPGA-based RGB/video upgrade PCB for the TS2068.
New batch of REDESIGNED TS1510 CLONE Interface and Cartridges for purchase... (#7339) — Sale of redesigned TS1510 clone interfaces/cartridges; drifts into OS-64 docs and 512K flash-cart development.
Real CP/M on TS-2068 (#4074) — Designing a 64K RAM expansion board to run real CP/M on TS2068; cooperative PCB development.
Renumber Programs (#4663) — BASIC renumber program design and bug fixes; drifts to author's soldering/ZX81 projects.
TS1000 -> TS1500 Conversion Project (#5664) — TS1000-to-TS1500 conversion build using real ROMs, case painting, video mod; drifts to Spectrum 6a builds.
Digest Number 261 (#1000654) — Digest covering Sinclair tokenized keyboard and PS/2 keyboard interface.
First steps in getting Microdrives running on a TS2068... (#8607) — DIY ZX Interface 1 / Microdrive clone board for the TS2068 (Interface Zero), build log and debugging
Switchable Timex Sinclair 2068 ROM modification (#1003483) — Switchable Spectrum-ROM mod for the TS2068, drifting into S-video and Spectranet.
Any TS 2068 main PCB updates? (#6932) — Critique of TS2068 board bodges sparks new TS2068/TC2048 clone PCB design and PCBWay orders.
Printing from Arduino to a ZX Printer (#1912) — Driving a ZX Printer from an Arduino Mega via custom edge-connector shield; PCB sharing.
ZX81 / TS1000 Motherboard (#6907) — TS2068 typeface/font project, then drifts into ZX81/TS1000 made-in-France/Portugal board variant research.
I Got My Spectrum divMMC Today! (#639) — divMMC on TS2068 via Twister board: TZX/TAP conversion, boot-up failures traced to 2068 power/regulator weakness
TS2068 twister boards (#1002527) — Long thread on producing/distributing TS2068 'twister' expansion boards.
Serial Port Cards for TS2068 - 10 Ordered (#3762) — Group buy and PCB development of a TS2068 serial port card; boards ordered and debugged.
New Mexico Timex Companies; was: ROM code calls in the 2068 (#2770) — 2068 ROM call references lead to NM Timex companies history and reverse-engineering an Aerco cart board.
TS2068 Sound Issue (#5733) — Diagnosing no-sound TS2068 (failed speaker/AY); drifts to designing stereo AY output board on expansion bus.
TS1510 clone (#1002322) — Long thread building a modern TS1510 cartridge-player clone; design progress and attachment.
TS2068 Spectrum ROM/emulator board/etc (#1002809) — Long discussion of Spectrum ROM swap and emulator boards for the TS2068.
Interesting announcements from last night’s Load ZX Museum livestream (#4623) — Load ZX Museum livestream announces Alvaro Lopes' drop-in CPLD SCLD replacement for TC2068
JLO Disk Boards & Printer Board (#4111) — Willie Jones clones JLO/Oliger floppy and printer boards; group orders kits and discusses expansion bus.
YUV to RGB conversion PCB from David... (#5594) — Finishing and testing a YUV-to-RGB converter PCB for TS2068; brief Zoom meeting scheduling aside.
2068 ROM Sources (#1000358) — Sources for TS2068 ROM dumps; drifts into a larger hardware project plan.
TS Pico interface (#2304) — Ricardo's TS-Pico RP2040 storage interface: development, schematics/PCB release, debugging.
Twister Board (#1000075) — Extended discussion of the Twister Board expansion for the TS2068.
TS2068 Serial Port Cards - Busted (#3831) — Busted serial port cards; pivots to bit-banging RS-232 via joystick/IOA5 lines for internet access
Potential full color video solution (#386) — Pursuing full-color RGB solution using TMS-RGB board and SCLD/MC1377 analysis for 2068.
Video Board Update (#3253) — Jeff's FPGA/VHDL video board with 80-column and enhanced TS graphics modes tested and demoed.
Sinclair ZX80 and the Chroma80 (#6152) — Chroma80 SCART interface leads to a ZX80 clone build with video troubleshooting updates.
A glorious day! (#66) — Repaired 2068 video outputs compared; drifts to David's custom keyboard build and Spectrum keycap stickers.
JLO Disk Interface (#384) — Getting a JLO disk interface running: board repair, EPROM/cable keying, 3.5" drives, MaxDos with Larken/Oliger
CZ2000 to TS2000 Prototype Conversion Project (#6840) — Converting Argentine CZ2000 into a TS2000 prototype replica; rainbow overlay techniques and PCB internals.
Michaud/SMUG video digitizer (#1773) — EasyCAD project to recreate/modernize the Michaud/SMUG video digitizer board with LM1881 and modern parts.
FPGA TS2068 (#1003800) — FPGA reimplementation of the TS2068 — community project discussion.
Terminator 1000 - batery powered Timex 1000 (#6703) — Battery-powered 'Terminator 1000' build, then troubleshooting why a TS1500 won't display WRX/hi-res graphics.
Investigating the Spectrum's RS232 Interface (ZX Interface 1), for a potential 2 (#6293) — Investigating ZX Interface 1 RS232 for a 2068 Spectrum-mode serial interface; Z80 accelerators discussed.
TS-Pico Expansion Board (#4956) — Whether TS-Pico expansion board is feed-through; cartridge-port limits, RESET/NMI signals.
RGB Adapter for T/S 2068 (#1003205) — Building an RGB output adapter for the TS2068; schematics and photos attached.
FPGA Version of TS2068 - Need Opinions (#1002405) — Soliciting opinions on an FPGA recreation of the TS2068.
Hardware help? (#2852) — YUV-to-RGB converter circuit becomes a group-buy EasyEDA board project for CGA/HDMI output
Wifi modem for TS-2068 via joystick port (#7205) — ESP-based WiFi modem via joystick port for TS2068 BBS access; build WIP and Microterm source shared
Timex 2068 cartridges... home made ones too (#1000944) — Making home-made Timex 2068 cartridges — practical how-to discussion.
Request: Twister board feedback (#1003054) — Author solicits feedback on the Twister expansion-board prototype.
CDs as a storage device -- my successes and failures thus far (#1000519) — Project report: using CDs as TS2068 mass storage — successes and failures.
rare schematic (#1002935) — Sharing of a rare TS2068/peripheral schematic.
ZX-Wespi-Nano project (#8677) — ZX-Wespi-Nano video-capture board; user attempts to modify ESP32 C code for 60Hz and disable WAV save
Power Circuitry Replacement (#5314) — Whether to replace TS2068 internal power circuitry; switch-mode noise worsened by socketed regulators and Pico load.
Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 - Br (#7715) — Brainstorming a TS1560 bus expansion board: clone TS1510 carts, programmable joystick, 64K RAM, FujiNet/ZX-Wespi.
ROM replacement services (#1001266) — ROM-replacement services and the FlashD0 modern ROM device for TS2068.
FuJinet (#7204) — FPGA-based FujiNet IO adapter ported to ZX Spectrum/TS2068 via parallel interface, boards in fab.
TS-2068 128K (#1003565) — Talk of a 128K RAM expansion/modification for the TS-2068.
TS2068 and arduino (#1003062) — Interfacing an Arduino to the TS2068 — DIY project discussion.
Have Twister board, now what? (#1003043) — User has a Twister board and asks how to install and start using it.
Would anyone be interested in a TS2068 version of the DTV64? (#1002924) — Floating the idea of building a DTV64-style all-in-one TS2068 clone.
Timex Sinclair PROM Burner (#6089) — eBay PROM burner find restored and tested; scanned Jim Oram CTM articles and manual.
Convert TS2068 into ZX Spectrum 128K (#1001909) — Converting a TS2068 into a ZX Spectrum 128K-compatible machine.
TS 2068 Edge Connector Source / Advice for RGB Connection (#1001437) — Sourcing the TS2068 edge connector and wiring it for an RGB monitor connection.
Yamaha Sound from Speaker or TV (#1003913) — Routing Yamaha AY sound chip output to the speaker or TV.
Been busy but have some good news (twister board) (#1002104) — Progress update on the twister-board hardware project.
TS2068 FujiNet (#1328) — Proposal to port FujiNet (WiFi/SD) to TS2068; IF1/printer emulation challenges discussed.
Serial Port Works (#4023) — Working TS2068 RS-232 serial port; ideas for Raspberry Pi printer interface and terminal links
redesigned ts1510 clone (#7353) — Collaborative debugging of redesigned TS1510 clone and EPROM ROM-replacement PCB; design fixed
Proposal for FPGA based advanced 2068 (#51) — Proposal for FPGA-based advanced 2068, Spectrum Next N-GO board fitting existing case
Hybrid 2068/spectrum 48k rom mod (#1003549) — Hybrid TS2068/Spectrum 48K ROM modification for cross-compatibility.
TS2068 switchable ROM Method (#1003516) — Method for adding switchable ROM (Timex/Spectrum) to a TS2068.
T/S 2068 version of a ZXSpand (#1003185) — Discussion of porting the ZXSpand SD-card interface to the TS2068.
New FPGA Board (#2362) — FPGA board exploration (Efinix Trion); drifts to CH376 USB/SD module and ZX-Uno FPGA TS2068.
"Building the Backplane Connector" (#1002568) — How-to about building a backplane edge connector for the TS2068 expansion bus.
Lack of cartridge port on updated 2068 (#4337) — Should an updated 2068 keep the cartridge port; DOCK RAM vs physical carts debate
TS-1500 Schematic (#966) — Request for a good TS1500 schematic; Carl supplies it plus 4416-vs-4116 RAM/power-supply design notes
Timex Sinclair Online User Group Meeting Sunday, Sept 17 (#4268) — Meeting reminder brainstorming a 'next 2068' replacement: banked BASIC, SCLD redesign, S-100
A breakthrough! (#3936) — Breakthrough imaging Larken disks via Greaseweazle/Python and converting flux to loadable images
TS2068 Cartridge Boards - Somethings Wrong (#3111) — Emulator list post that drifts into reverse-engineering bare Aerco TS2068 cartridge/dock boards
TS2068 simple upgrade: 512kB RAM, 128kB PEROM (#1000751) — Project: 512KB RAM plus 128KB PEROM upgrade for the TS2068.
TS2068 Expansion Interface Specification (#1000420) — Working out the TS2068 expansion-bus interface specification for new add-on boards.
Redesigned TS1510 Clone Cartridge & Interface PCBs have arrived... (#7278) — Redesigned TS1510 clone cartridge and interface PCBs arrive, errors fixed.
ROM Cartridge Address Decoding (#1003730) — Technical discussion of ROM cartridge address decoding on the TS2068.
new CPLD working (only with z80 nmos cpu) (#9251) — New working CPLD video board for Timex Computer 2068, NMOS Z80
Twister board schematic (#1003489) — Sharing/discussion of the Twister board schematic.
PCB files for the Twister Project (#1003346) — PCB files released for the Twister expansion board project.
Ariel Ranieri’s EPROM cartridges (#2355) — Ariel Ranieri's EPROM cartridge project github for the TS2068
Starting the upgrade to Adam's TS2068 - Power Supply and AY Stereo Sound (#8691) — Upgrading a TS2068 with switching power supply and AY stereo sound to reduce hiss
Twister boards (update) (#1002662) — Progress update on the Twister expansion-board project for the TS2068.
2068 expansion interface mock up (#949) — DIY mockup of Timex 2068 expansion interface with gender changer boards
RAS/CAS timing from SCLD to lower RAM (#4290) — Requesting RAS/CAS timing capture to explore SRAM replacement for 2068 RAM failures
Hi-Res Upgrade (#7815) — Questions about ZX81/TS1000 hi-res video mod and requirements
JLO DIsk Boards A & B and Printer Interface (#4081) — Successfully cloned JLO disk A/B and printer interface boards
An external expansion to 128K RAM for TS/TC2068 (#700) — External 128K RAM expansion module project for TS/TC2068
Pinout of Oliger expansion board (#583) — Checking Oliger expansion slot wiring against a new experimenter's bus board
ZX81/TS1000/TS1500 System ROM Replacement Cartridge and Interface PCB running SP (#7465) — ZX81/TS1000 ROM replacement cartridge and interface PCB running SPonZY
New Replacement Faceplates / Keyboard Overlays (#1004041) — New replacement faceplates and keyboard overlays being produced for the TS2068.
TS1500 cost reduction version Diagram (#9393) — Schematic for the TS1500 cost-reduced version from Timex Portugal.
ZX81+38 clones (#6757) — Debugging ZX81+38 clone wiring of 27C256 ROM chip-select shorts
TC 2068 no bright black mod (#6721) — TC2068 NoBRIGHT Black video mod PCBWay project, possible TS2068 use
TS1000 expansion connector (#8349) — Sourcing open-sided edge connectors that fit the TS1000 expansion port
Dan's Roy's ZX81 Motherboard Upgrade (#1369) — Dan Roy's ZX81 motherboard upgrade adding color/sound, from Sync article
Cartridge door (3D model) (#829) — Shared 3D-printable cartridge door model (STL and OpenSCAD source)
Cartridge Board with Zif Socket (#769) — Using ZIF sockets on TS2068 EPROM cartridge boards for repeated burns
FPGA Board Update (#442) — FPGA TS2068+ board update: serial tape loader and Spectrum mode progress
Spectrum 1-chip IDE interface <--> 2068? (#1000775) — Can the Spectrum 1-chip IDE interface work with the TS2068?
follow up on ZX81 clone project (#6770) — ZX81 clone PCB address resistor tuning to work with static RAM chips
TS2068 expansion port and cartridge port pinout diagrams? (#1003450) — Looking for TS2068 expansion-port and cartridge-port pinout diagrams.
Digital ZX81/TS1000 back porch mod for 2C184 or earlier ULA (#9061) — Digital back porch mod circuit for ZX81/TS1000 with 2C184 or earlier ULA.
EPROM copier (#6429) — Scans of homemade 1985 EPROM copier for the 2068
WC2050 Hack to convert to serial port... (#1000253) — WC2050 hack to convert it to a serial port.
Getting the BRIGHT signal (#331) — Extracting BRIGHT signal from NTSC using window comparators for color
Mahjongg ZX81+38 clone "NO DELETE" fix! (#7135) — Fix for ZX81+38 clone NO DELETE fault via keyboard pull-up resistor correction
Timex 2000 Prototype Reproduction Video: Part 1 (#6893) — Video documenting Timex 2000 prototype reproduction project
ZXIO V2 Experimenters Kit (#6692) — ZXIO V2 memory-mapped I/O experimenters kit for ZX81/TS1000 announced
New batch of RESDESIGNED TS1510 CLONE External Eprom (#9074) — Solving ROMCS/ problem on Thomas Heckmann external EPROM/TS1510 clone PCB.
ZX81 replica PCBs (#7837) — ZX81 reproduction PCB resources on GitHub and Sinclair forums
ZX81/TIMEX-SINCLAIR 1000 Custom Mechanical Keyboard Prototype - Part 3 (#3956) — Ingo Schmied's ZX81/TS1000 custom mechanical keyboard prototype part 3
Update ZX81NU systems (#7538) — Completion of two ZX81NU clone systems; build and RAM timing notes.
update regarding ZX81+38 problems (#7175) — Fixing ZX81+38 clone build with schematic errors, RP1 resistor pack correction

Software

BASIC programming

T/S 2068 Library Tape Archiving Process (#2347) — Multi-year project archiving the T/S 2068 Library Tape to TZX/WAV, recovering BASIC and load errors.
BASIC to cartidge (#2138) — Long project converting BASIC programs to TS2068 cartridge DCK images with helper Z80 code.
"64 Column Mode Support" from T/S BASIC; was: New Timex documents uploaded (#4481) — New Timex docs scan drifts into 64-column OS-64 mode, Sprites 64, ROM fixes and memory maps.
ABQ User Group "Meeting" - Sat. Feb. 25, 2023 (#2936) — ABQ meeting recap drifts into TS1000 composite-video mods, recapping, and a ZX81 game type-in.
Timex Programming Tools; was: Archiving 1983 'Timeblasters' (3-20-83 Version) by (#3167) — Archiving Timeblasters/Rampager expands into Timex programming tools (hex2rem, REM-poking, monitors)
Renumber Programs (#4663) — BASIC renumber program design and bug fixes; drifts to author's soldering/ZX81 projects.
TS2060 parallel and serial interfaces (#4519) — TS2068 parallel/serial channel spec discussion; leads to BBS and wifi-modem project ideas
Archived "Starblasters" by Dan Tandberg (#3061) — Archiving Tandberg's 'Starblasters' TS1000 game; ZMakebas listings and Calliope tape finds.
Clock program (#2877) — FRAMES-based real-time clock leads to BASIC clock programs, MLX/Speedscript proofreaders, and AdamPhone dialer/clock
I need assistance (#3080) — New owner's emulator help grows into a planned cross-platform TS2068 emulator setup guide/video
LOAD "" CODE with Zesarux (#5336) — Christmas greetings drift into loading CODE blocks from .tap in Zesarux on the 2068; memory/RAMTOP discussion.
Math Subroutines Book by Richard Booth (#3782) — Richard Booth math subroutines book; OCR/type-in of routines, PLOT3 bug fixes, Time Machine aside
How to do Binary Comparison (BIT Test) in Timex Basic (#3958) — How to do bitwise/BIT tests in Timex BASIC; multiple BASIC and machine-code solutions offered
TS2068 Music Maker; was: Thank you, Tim Swenson! (#736) — zmakebas ASCII-to-Sinclair BASIC conversion of Music Maker drifts into OCR tests and a ZX81 Wordle game
Blank Tape Recommendations?; was: Graphics One Liner - Archiving Interest? (#977) — BASIC graphics one-liner archiving drifts into blank-tape recommendations and how-to-record-tapes documentation
Core War (#3900) — Website-update note becomes a full Core War (Redcode) port to the TS2068
Obstacle Run (#788) — David's zmakebas type-in of Warren Fricke's Obstacle Run, with PEEK/movement bug fixes, drifts into Dane Stegman history
QuickFont (#1590) — Ryan develops and iterates QuickFont 2068 font editor in BASIC, adding machine code through v2.4.
A work in progress software catalog (#9137) — Building a software catalog with Claude-generated BASIC descriptions and screenshots for the website.
Sinclair BASICs: DEF FN, Beginner (#8093) — DEF FN beginner tutorial that gets hijacked by a for-sale TS software list
Creating a work space for Machine Code in a Basic Line (#3301) — Creating a workspace to POKE machine code into BASIC lines, documented
T/S 1000 and T/S 2068 - How Compatible? (#2707) — TS1000 vs TS2068 BASIC compatibility, conversion tools like Firstloder, and quick-reference cards
Five more detailed questions about creating a TS2068 AROS cartridge image (#1797) — Detailed Q&A on building TS2068 AROS cartridge images with BASIC and Z80 code.
Assembly Language Idea and Build Tools Example (#4429) — Assembly build-tool workflows: PASMO, hex2rem/hex2tap utilities, embedding code in BASIC REM
Typed in a 1K "Galaxian" game for fun tonight (#7020) — Typing in a 1K Galaxian for TS1000; memory-saving code analysis and collection-preservation musings.
"Bubbles" T/S 2068 BASIC Program; was: TS Online User Group Meeting Sunday Decem (#8837) — Zoom meeting reminder drifts into typing in/testing the SYNC-magazine 'Bubbles' BASIC program under FUSE.
zmakebas and BASIC Backslash? (#752) — zmakebas backslash/escape-sequence issues converting Super Star Trek BASIC; doubling backslash and copyright-symbol fixes
WRX16 DEMO (#3556) — Typing in Wilf Rigter's WRX16 hi-res ZX81 demo from Syncware; figuring out its mandala output.
"Machine Code Graphics Loop" by Bernard Bush (#1522) — Type-in BASIC video-art program's embedded ML routine disassembled via Excel/online tools and explained.
"Cavern Quest:" Greg's Ported Astrocade Maze Game? (#952) — Greg Bennett's ZX81 port of Astrocade 'Cavern Quest' shared, played, mapped, and archived.
Creating Arcade Games on Your TS 2068 Book??? (#1001558) — Search for and discussion of the 'Creating Arcade Games on Your TS2068' book; brief spam complaint.
Type-In Program Suggestions (Master List?) (#185) — Type-in program coordination, archiving via zmakebas/TZX, ZXzine and Type Fantastic
Ottawa-Hull usergroup newsletter indexed (#135) — Ottawa-Hull newsletter indexed; drifts to zmakebas type-in workflow and library preservation
Do T/S 2068-Exclusive Type-In Games Exist? ;was: "Sorting TimexSinclair.com Prog (#7072) — Sorting TimexSinclair.com programs, becomes hunt for 2068-exclusive type-in games in old newsletters.
Calendar Print (#2570) — Ryan Gray's reconstructed calendar-printer BASIC program with SCREEN$ images and Fuse/ImageMagick printing
The Box Trilogy by C. Vernon Tidwell ; was: Sprites 2068 - Sprite Development an (#1511) — Tidwell 'Box Trilogy' BASIC programs' Z80 draw routine fully disassembled and commented by members.
Zmakebas fixed ON ERR and added DELETE (#8216) — Zmakebas bug fixes for TS2068 ON ERR and DELETE keywords, plus DOS build for AROS workflows
2068 Basic compiler / Assembler (#663) — Seeking 2068 BASIC compiler/assembler; community recommends TimeMachine, PASMO, Z88DK, ZIP with usage tips.
TS Pico Script (#7588) — TS-Pico save script shared; discussion of BASIC renumbering and assemblers (Zeus, Hot-Z)
menu program for TSPico (#6968) — BASIC menu/helper programs for the TS-Pico; PAUSE timing and a planned machine-language interface.
1000 and 2068 Character Cheatsheet (#2771) — Ryan Gray's TS1000/2068 character-set cheatsheet PDFs with Zmakebas escapes, added to website
DEF FuN (#8087) — Recursive DEF FN functions to trim padding spaces from Sinclair fixed-length string arrays
ts 2068 video programming. (#1003431) — Programming the TS2068 video hardware (screen modes, attributes).
Sinclair BASIC question (#5805) — How to determine dimensions of a BASIC array loaded back from tape
Support for TS2068 Basic in zmakebas (#1667) — Adding TS2068 BASIC support to the zmakebas conversion tool.
Exploring Truchet Tiles on the ZX81 with BASIC (#8306) — Truchet tiles in BASIC on the ZX81, inspired by 10 PRINT
Subroutine parameters via DEFADD trick (#8196) — Using DEFADD trick to pass parameters to BASIC subroutines
More 2068 programs (#896) — New type-in 2068 BASIC programs uploaded to archive.org, including 3D fractals
What is the difference USR and RANDOMIZE USR (#3793) — Explaining difference between USR and RANDOMIZE USR for calling machine code
For loops of zero executions in AROS (#6983) — AROS Dock bank can't run zero-execution FOR loops, unlike Home bank.
Fuse, Zesarux, Eightyone emulators (#9204) — Workflow using Fuse/Eightyone emulators to type in and save programs
TS1000 "gray" block graphic characters for the TS2068 (#2712) — Routine to poke ZX81/TS1000 graphics characters into TS2068 UDG locations
ZMakeBAS bug? (#2083) — ZMakeBAS bug dropping REM statements when used without line numbers
Spiders - Video Art from Synchro-Sette (Vol. 3, no. 2, Feb. 1984) (#1566) — Typed-in Spiders BASIC video-art program from Synchro-Sette newsletter.
Fuse Utilities: listbasic fixing 2068 keywords (#8217) — Fixing Fuse listbasic 2068 keyword output, added --timex mode option
Benchmarks (#5077) — Why TS2068 scores poorly on 1984 BASIC benchmarks vs TS1000
Recursive DEF FN (#7917) — Making recursive DEF FN functions work via tail recursion in BASIC
TS 2068 keyword reference (#277) — Alphabetical 2068 keyword keystroke reference card remade from TS Horizons
ts1000 rem line Machine Code in ts2068? (#211) — Can machine code be stored in a REM line on the 2068?
ZX81 utilities (#2800) — Ryan Gray's ZX81 utilities: p2txt lists .P BASIC as text, p2spectrum converts to Spectrum
My first computer experience: Hangman (green screen terminal recreation with TS (#9040) — Hangman BASIC implementation for TS2068/TSPico with ~24000 word list.
Binary in REM statements in text files (#8985) — ZX-Spectrumizer monochrome mod and TS calendar printer on GitHub
BasinC Developing Environment for Spectrum (#1382) — BasinC development environment for typing/saving TS2068 BASIC programs
Another Claude story (#9162) — Using Claude to auto-generate descriptions for 900+ BASIC program listings.
ZX Spectrum Tilde and vertical bar characters for the TS2068 (#2713) — Subroutine restoring Spectrum tilde/vertical-bar characters as UDGs on TS2068
TS-Pico helper (#6512) — TS-Pico helper BASIC program simplifying command entry
USCII - Hires zx81 basic (#2597) — USCII utility redefines characters for hires ZX81 BASIC demos
Loading a tap on to the TS2068 (#8418) — Loading zmakebas-generated Spectrum TAP files onto the TS2068.
Obscure commands, part 8 (#1000150) — Obscure BASIC commands series, part 8 — reference material.
Producing Sprites on the 2068 (#5079) — Troubleshooting a type-in sprite-producing BASIC program for the 2068
40 Keys: Remembering where everything is (#8115) — Tips for remembering keyword positions on the 40-key Sinclair keyboard.
Thief game in color (#8068) — Color Thief game released on GitHub, seeking bug reports and levels.
Spectrum BASIC "emulators" (#4562) — Windows Sinclair BASIC tools: BASin, BASinC, SpecBAS with download links.
ZX-Basicus (#7820) — ZX-Basicus fast ZX BASIC interpreter with format conversion
Calendar Printer (#7494) — Updated calendar printer BASIC program printing months/years with SCREEN$ graphics
AZ80 assembler modification to output decimal data instead of hex data in LST fi (#6894) — AZ80 assembler mod to output decimal instead of hex in listings
Modified listbasic for FUSE utilities (#9130) — Modified FUSE listbasic utility to correctly list TS2068 BASIC from .tap files.
New ZX81 ROM - Extended BASIC (#9015) — New ZX81 Extended BASIC (XTB) ROM with full-screen editor released.
Homebrew 64 column printing (#2547) — Homebrew 64-column printing using half-width fonts and PRINT OVER
ANN:OpenSE BASIC released (#1002901) — Release announcement for OpenSE BASIC.
Obscure commands, part 7 (#1000149) — Obscure BASIC commands series, part 7 — reference material.
Obscure commands, part 6 (#1000148) — Obscure BASIC commands series, part 6 — reference material.
Obscure commands, part 5 (#1000147) — Obscure BASIC commands series, part 5 — reference material.
Obscure commands, part 4 (#1000146) — Obscure BASIC commands series, part 4 — reference material.
Obscure commands, part 3 (#1000144) — Obscure BASIC commands series, part 3 — reference material.
Obscure commands, part 2 (#1000145) — Obscure BASIC commands series, part 2 — reference material.
Obscure commands, part 1 (#1000143) — Obscure BASIC commands series, part 1 — reference material.
DEFADD trick (#7821) — DEFADD trick for fast memory copy in BASIC without machine code
Using the divMMC to LOAD/SAVE a BASIC Program (#675) — How to LOAD/SAVE BASIC programs using divMMC without the menu
Sinclair BASIC Variables (#3413) — Newcomer learning how Sinclair BASIC variable names work on a ZX80

Machine code, Z80 & assemblers

UnoDos and the TS2068 (#874) — Long project: porting UnoDos/esxDos to TS2068 via FPGA, commenting code; drifts into command-syntax design.
BASIC to cartidge (#2138) — Long project converting BASIC programs to TS2068 cartridge DCK images with helper Z80 code.
Tetris for TS2068; was: Monitor And Dissembler TS2068? (#1189) — Zeus assembler/monitor query drifts into porting Tetris to TS2068 and IF1bis/microdrive emulation
"64 Column Mode Support" from T/S BASIC; was: New Timex documents uploaded (#4481) — New Timex docs scan drifts into 64-column OS-64 mode, Sprites 64, ROM fixes and memory maps.
Help me fix a file in The Crown? (#5436) — Converting game The Crown to TZX/TAP for Pico loading; deep detective work on levels, charsets and tape loading.
2068 relay board (#1589) — DIY 2068 relay control board built from schematics; drifts into bitwise operators and cart/sideways-RAM bank switching.
Q*Bert on tape? (#2011) — Hunt for QBert on tape becomes a QBert disassembly and Z80 source project; ABQ group aside.
Grimm’s Fairy Trails (#2700) — TS2068 ROM disassembly book release; drifts into EightyOne emulator help and .P-to-BASIC/WAV conversion
Archiving "Timeblasters" by Calliope Software (#3129) — Archiving Calliope's Timeblasters drifts into disassembly and a Dual Bus DMA hardware idea
Tape Programs on the TS Pico (#8807) — TS-Pico .TAP load errors traced to SD card; drifts into Hot-Z breakpoint/single-step debugging on ZX81.
Timex Programming Tools; was: Archiving 1983 'Timeblasters' (3-20-83 Version) by (#3167) — Archiving Timeblasters/Rampager expands into Timex programming tools (hex2rem, REM-poking, monitors)
Clock program (#2877) — FRAMES-based real-time clock leads to BASIC clock programs, MLX/Speedscript proofreaders, and AdamPhone dialer/clock
LOAD "" CODE with Zesarux (#5336) — Christmas greetings drift into loading CODE blocks from .tap in Zesarux on the 2068; memory/RAMTOP discussion.
Math Subroutines Book by Richard Booth (#3782) — Richard Booth math subroutines book; OCR/type-in of routines, PLOT3 bug fixes, Time Machine aside
How to do Binary Comparison (BIT Test) in Timex Basic (#3958) — How to do bitwise/BIT tests in Timex BASIC; multiple BASIC and machine-code solutions offered
New Mexico Timex Companies; was: ROM code calls in the 2068 (#2770) — 2068 ROM call references lead to NM Timex companies history and reverse-engineering an Aerco cart board.
TS2068 Music Maker; was: Thank you, Tim Swenson! (#736) — zmakebas ASCII-to-Sinclair BASIC conversion of Music Maker drifts into OCR tests and a ZX81 Wordle game
Core War (#3900) — Website-update note becomes a full Core War (Redcode) port to the TS2068
TSAnim: Full motion video on the T/S 2068 (all 4 frames of it) (#7483) — AI-assisted Z80 4-frame video player TSAnim demo; drifts into ChatGPT-for-Z80-coding discussion
Math help, please :) (#4222) — Reverse-engineering Oliger DOS directory structure; drifts into ZX81 Z80 mouse code debugging
Z80 Cross-Compiler for Spectrum/TS 2068? (#1055) — Z80 cross-assemblers for 2068/Spectrum/ZX81: zmac, Pasmo, z88dk, TASM; assembly book recs.
Help with Androids 2764 and EPROM cart; was Convert Dock File to BIN File? (#593) — Converting Androids dock file to BIN and burning EPROM; detailed LROS/AROS header byte explanation.
QuickFont (#1590) — Ryan develops and iterates QuickFont 2068 font editor in BASIC, adding machine code through v2.4.
Z80 TS2068 Emulator Overflow & Half Carry Flags (#2881) — Z80 overflow/half-carry flag help for a C# emulator, ending with Aerco cartridge board scans
Creating a work space for Machine Code in a Basic Line (#3301) — Creating a workspace to POKE machine code into BASIC lines, documented
That "Dragon Warrier-Looking" Game (#6243) — Identifying a Dragon Warrior-style RPG being written in Z80 assembly as a learning project; book recommendations.
Five more detailed questions about creating a TS2068 AROS cartridge image (#1797) — Detailed Q&A on building TS2068 AROS cartridge images with BASIC and Z80 code.
TS 2068 ROM Disassembly book (#1422) — David's TS2068 ROM disassembly book; Burrell reformats home ROM/EXROM to reassemble byte-for-byte, bank-switching notes.
Assembly Language Idea and Build Tools Example (#4429) — Assembly build-tool workflows: PASMO, hex2rem/hex2tap utilities, embedding code in BASIC REM
BATCODE (#7771) — Meeting reminder, then AY/STC sound-tracker player and BATCODE VM ported to TS2068 fighting NTSC timing and tight memory.
Does anyone know where I can find a Spectrum Emulator Cartridge (#1003650) — Hunt for a Spectrum emulator cartridge drifts into Timex contended-memory timing details.
Robotron for ZX81/TS1000 (#9171) — Robotron-like WRX hi-res ZX81 game sparks plans to ROMify it onto a TS1510 clone cartridge.
What makes Z80 special? (#1218) — Discussion of what makes the Z80 special vs 6502; CP/M history and other Z80 machines.
Need help identifying some eproms (#1001360) — Twelve-message thread helping identify unknown EPROMs.
Looks like I found the documentation for my Diagnostics Cartridge... (#6591) — Carl uploads scanned docs and Z80 source for his 1980s TS2068 Diagnostics cartridge before thermal paper fades.
TS 2068 Extended Video Display Option: I will only ask ONCE but I think I know t (#8918) — Whether TS2068 extended video modes need a cartridge; explains SCLD modes, OS-64, z88dk, TS-Pico hi-res copy.
WRX16 DEMO (#3556) — Typing in Wilf Rigter's WRX16 hi-res ZX81 demo from Syncware; figuring out its mandala output.
"Machine Code Graphics Loop" by Bernard Bush (#1522) — Type-in BASIC video-art program's embedded ML routine disassembled via Excel/online tools and explained.
p2ts150 (#7470) — Debugging p2ts1510 tool that converts .p files to ROMs; fixed binary-mode and strncpy bugs
ROM patcher Python Script by Claude (#9144) — Claude-written Python ROM-patcher script for TS-Pico assembler workflows; shared with zx81-utils.
Tricky Z80 Code (#8937) — Collaborative document of tricky/optimized Z80 instructions; suggestion to host on GitHub for contributions.
ZX-Wespi-Nano project (#8677) — ZX-Wespi-Nano video-capture board; user attempts to modify ESP32 C code for 60Hz and disable WAV save
Help with Packman Cart for T/S 2068? (#629) — Burning a Pac-Man (Z-man) AROS cartridge to EPROMs: file header format, bank jumpers for 27C128/256/512
ZXzine Issue #11 Timer in Assembly question (#7612) — ZXzine Pasmo timer-assembly question leads to shared lib files and QL emulator chat
Undocumented Zilog Z80 Opcodes (#8950) — Whether undocumented Z80 opcodes are safe; clone behavior differences and Z80-manufacturer identifier code.
Timex Sinclair PROM Burner (#6089) — eBay PROM burner find restored and tested; scanned Jim Oram CTM articles and manual.
Z80 Branch Math (#8511) — Converting 6809-style signed/unsigned branch logic to Z80; review of Mobley's first Z80 program
Why Use "Out" for Spectrum Cartridge? (#1001794) — Technical Q&A on why OUT is used to access the Spectrum-emulator cartridge port.
ZX81 Floating Point Calculator (#1835) — Newsletter sharing leads to Swenson's ZX81 floating-point calculator ROM-call assembly project, ported to 2068.
The Box Trilogy by C. Vernon Tidwell ; was: Sprites 2068 - Sprite Development an (#1511) — Tidwell 'Box Trilogy' BASIC programs' Z80 draw routine fully disassembled and commented by members.
2068 Basic compiler / Assembler (#663) — Seeking 2068 BASIC compiler/assembler; community recommends TimeMachine, PASMO, Z88DK, ZIP with usage tips.
TS Pico Script (#7588) — TS-Pico save script shared; discussion of BASIC renumbering and assemblers (Zeus, Hot-Z)
menu program for TSPico (#6968) — BASIC menu/helper programs for the TS-Pico; PAUSE timing and a planned machine-language interface.
multicolour mode.... (#1003438) — Using multicolour (8x1) graphics mode on the TS2068/Spectrum.
Sinclair ZX81 Assembly Language (#8552) — ZX81 assembly help: screen printing, keyboard read, scrolling using z88dk; points to Swenson tutorial
Old ROM vs. New ROM on ZX81/Timex 1000? (#3204) — Clarifying Old ROM vs New ROM (ZX80 4K vs ZX81 8K) in Toni Baker book
interrupt mode 2 (#1000820) — Z80 interrupt mode 2 (IM2) programming discussion.
ts 2068 video programming. (#1003431) — Programming the TS2068 video hardware (screen modes, attributes).
zx81 assemblers software ts2068 ie Berch, ZXAS, ZX assembler and disassembler (#8756) — Troubleshooting ZX81/TS2068 assemblers (Berch, ZXAS) to get hex codes
What is the difference USR and RANDOMIZE USR (#3793) — Explaining difference between USR and RANDOMIZE USR for calling machine code
TS2068 ROM Disassembly (#1000329) — Announcement and confirmations around the TS2068 ROM disassembly — a definitive reference document.
Diagnostic Cartridge for T/S 2068 (#2088) — Carl Miles' TS2068 diagnostic cartridge survives as Z80 assembly listing
Bresenham Line in Z80, pass 2 (#8225) — Bresenham line C-to-Z80 conversion with optimizations, pass 2 article
TS2068 Memory Map and ROM Disassembly by Bob Orrfelt (#1414) — Provenance of Bob Orrfelt's TS2068 Memory Map and ROM disassembly
Adventures in AI-assisted assembly programming for the T/S 2068 (#7473) — Using AI (ChatGPT/Cursor) to help write a Z80 assembly graphics demo for TS2068
ts1000 rem line Machine Code in ts2068? (#211) — Can machine code be stored in a REM line on the 2068?
Assemble-able ROM Files (#1785) — Reworked TS2068 ROM files made assembly-ready with zmac, byte-exact
Paper on Converting Spectrum assembly to T/S 2068 (#73) — Paper on converting Spectrum assembly ROM calls to T/S 2068 ROM calls
Introduction to 2068 Machine Code by Lloyd Dreger (#3479) — Scanned Lloyd Dreger's Introduction to 2068 Machine Code book
Patching cartridges or ROM using bank switching - an additional resource (#9196) — Using TS2068 bank-switching routines to copy ROM/cartridge data into RAM for editing.
Converting ZX Spectrum Machine Language programs to run on the TS2068 (#4967) — Converting ZX Spectrum machine language programs to run on the TS2068
ZX81 Expanded Memory (#7996) — Research draft on using ZX81 memory beyond normal 16K RAM
Silversoft ZX81 Compiler (#7668) — Found and shared missing Silversoft ZX81 Compiler documentation
Documentation for creating and testing T/S 2068 DCK files with DOSBox (#7551) — How-to for creating/testing TS2068 DCK cartridge files with DOSBox
Prototype RPG - "Ten Minute Adventure" (#7212) — Progress on 'Ten Minute Adventure' RPG project for the 2068, dev toolchain
Proposal for AU (Golden) commands (#6975) — Preliminary definitions for TS-Pico Golden (AU) command/ROM routines.
AZ80 assembler modification to output decimal data instead of hex data in LST fi (#6894) — AZ80 assembler mod to output decimal instead of hex in listings
The Mystery of the Missing 253 by Wes Brzozowski (#1000741) — Reference to Wes Brzozowski's article on the 'missing 253' ROM/BASIC quirk.
Program Your TS2068 in C (#1000266) — Pointer to programming the TS2068 in C.
Bresenham in z80, pass 3 (#8297) — Optimized Bresenham line routine in Z80 assembler, pass 3 article
Screen Address Calculator (#8228) — GitHub utility to calculate ZX Spectrum screen memory addresses
Saving ML Programs to Tape (#1256) — How to save machine language routines to tape using CODE
ZX Spectrum machine language book available as download (#7832) — Free ZX Spectrum assembly game-building book PDF/epub download
DEFADD trick (#7821) — DEFADD trick for fast memory copy in BASIC without machine code
System Software Question STRMS & CHANS (#4211) — STRMS/CHANS offsets and relocating serial driver code above MEMTOP
Timex/Sinclair emulators-Z-80 IM 2 (#7532) — Which emulators correctly support Z80 IM2 interrupts for animation/sound.
Z88DK Compiler Switches For Display Modes (#3729) — Z88DK compiler switches to enable 32/64 column display modes on TS2068

CP/M

ABQ User Group Meeting - Sat. Feb. 3, 2024 (#5879) — ABQ user group meeting minutes: Kaypro CP/M, Timex 2050 modem serial mod, wide-ranging chatter.
Real CP/M on TS-2068 (#4074) — Designing a 64K RAM expansion board to run real CP/M on TS2068; cooperative PCB development.
Timex hi-resolution modes - CP/M (#1001820) — Deep discussion of Timex hi-resolution video modes under CP/M, plus a software offer.
Shorter TS Pico Commands (#6230) — Proposal for shorter token-based TS-Pico commands; Gustavo shares ROM design history and CP/M limits.
CP/M source available for the T/S2068?! (#3895) — CP/M source for TS2068 explored; FDD3000 requirements, ROM paging and RS232 streams
What makes Z80 special? (#1218) — Discussion of what makes the Z80 special vs 6502; CP/M history and other Z80 machines.
Clark Calkins' CP/M-Like OS; was: UPDATED! Timex/Sinclair User Group Meeting Mon (#3949) — Clark Calkins' ROM-based CP/M-like OS for ZX81 discussed ahead of his guest meeting
Timex Connection video (#3880) — Timex Connection video on TS1500 history; drifts to Clark Calkins and ZCP/M prospects

Games

Modems and Voice-Over-IP Lines (#5281) — VoIP-line modem experiments; MTerm archiving; drifts to BBS-hosted Infocom/Zork text adventures.
Tetris for TS2068; was: Monitor And Dissembler TS2068? (#1189) — Zeus assembler/monitor query drifts into porting Tetris to TS2068 and IF1bis/microdrive emulation
Help me fix a file in The Crown? (#5436) — Converting game The Crown to TZX/TAP for Pico loading; deep detective work on levels, charsets and tape loading.
Q*Bert on tape? (#2011) — Hunt for QBert on tape becomes a QBert disassembly and Z80 source project; ABQ group aside.
Grimm’s Fairy Trails (#2700) — TS2068 ROM disassembly book release; drifts into EightyOne emulator help and .P-to-BASIC/WAV conversion
Archiving "Timeblasters" by Calliope Software (#3129) — Archiving Calliope's Timeblasters drifts into disassembly and a Dual Bus DMA hardware idea
Best Exclusive TS 2068 Titlesþ (#1001429) — Community list of best TS2068-exclusive titles; expands into Didatik catalog and clones.
Archived "Starblasters" by Dan Tandberg (#3061) — Archiving Tandberg's 'Starblasters' TS1000 game; ZMakebas listings and Calliope tape finds.
Elite? (#876) — Long saga getting Elite running on TS2068 in Spectrum mode; LensLock protection and Goat Soup generator
That Guide to Games book and a new fun toy (#9261) — Shaun McClure's TS1000/1500 games book chat drifts into developing the PixelPaste/Retro Pixel image converter app.
TS2068 Music Maker; was: Thank you, Tim Swenson! (#736) — zmakebas ASCII-to-Sinclair BASIC conversion of Music Maker drifts into OCR tests and a ZX81 Wordle game
Core War (#3900) — Website-update note becomes a full Core War (Redcode) port to the TS2068
Inspired to Play the 2068 (#1003902) — Playing the 2068 leads to a Terra Cresta translation attempt and color-adjustment tips.
Twister w/ ROM (#1003604) — Twister ROM cartridge thread drifts into S-video output mod and a newcomer question.
Obstacle Run (#788) — David's zmakebas type-in of Warren Fricke's Obstacle Run, with PEEK/movement bug fixes, drifts into Dane Stegman history
A work in progress software catalog (#9137) — Building a software catalog with Claude-generated BASIC descriptions and screenshots for the website.
From Eric Johnson, by way of Jack Boatwright (#6541) — Jack Boatwright's garage fire destroys saved material; salvaged tapes get archived and recovered programs shared.
Tilez [from Ryan's old tapes] (#2627) — Ryan's recovered ZX81 Tilez tape drifts into boosting TS1000 save output gain and SVI-CAS/WESPI
Timex Archive uploaded (#1002737) — Timex Archive upload announcement; drifts into making ZX Spectrum games run on TS2068.
That "Dragon Warrier-Looking" Game (#6243) — Identifying a Dragon Warrior-style RPG being written in Z80 assembly as a learning project; book recommendations.
Pico up and running, sort of (#5039) — Debugging TS-Pico load/run errors; sharing reworked Chess.tap that fixes loading on Pico.
Typed in a 1K "Galaxian" game for fun tonight (#7020) — Typing in a 1K Galaxian for TS1000; memory-saving code analysis and collection-preservation musings.
Robotron for ZX81/TS1000 (#9171) — Robotron-like WRX hi-res ZX81 game sparks plans to ROMify it onto a TS1510 clone cartridge.
Playing "Thief" by Ryan Gray (#2454) — Ryan Gray's tape-rescued 'Thief' game discussed, playtested, and bug-fixed across versions.
zmakebas and BASIC Backslash? (#752) — zmakebas backslash/escape-sequence issues converting Super Star Trek BASIC; doubling backslash and copyright-symbol fixes
T/S 2068 "Bounty Bob Strikes Back!" Translation (#1003461) — Translating Bounty Bob Strikes Back to the TS2068; drifts into Timex add-on talk.
David's image converter and 'The Crown' remastered? (#9275) — David's image converter used to remaster 'The Crown' title screen in 2068 extended color mode.
Elite without Lens Lock Tech? (#798) — Getting Elite past Lenslock copy protection on TS2068 via FUSE/LensKey snapshots and divMMC SNA/Z80 files
To Carl re: TS1510 games (#6987) — TS1510 clone cartridge/ROM game orders; EPROM burning, plus burning the TS store demo to carts.
"Cavern Quest:" Greg's Ported Astrocade Maze Game? (#952) — Greg Bennett's ZX81 port of Astrocade 'Cavern Quest' shared, played, mapped, and archived.
New: How to use ZX Spectrum mode on your TS-Pico (#5444) — How to use ZX Spectrum (TC2048) ROM mode on the TS-Pico; hi-res 512x192 incompatibility noted.
Creating Arcade Games on Your TS 2068 Book??? (#1001558) — Search for and discussion of the 'Creating Arcade Games on Your TS2068' book; brief spam complaint.
Do T/S 2068-Exclusive Type-In Games Exist? ;was: "Sorting TimexSinclair.com Prog (#7072) — Sorting TimexSinclair.com programs, becomes hunt for 2068-exclusive type-in games in old newsletters.
I give you Space War and Star Trek (#2239) — Extracting Space War game from CATS user group 3-inch FDD disks
Rescuing 'The Crown' (#4932) — Recovering working copy of TS2068 game 'The Crown' from backup tape
Software you can download for the 2068 (#1081) — Downloadable TS2068 software collection posted with screenshots
Lunar Jetman and Jet Set Willy on the TS2068 (#6204) — Adjusting CLEAR statement to load Lunar Jetman and Jet Set Willy on 2068
Program Preservation: was; Re: Awesome TS 2068 Music!‏ (#1001432) — Program-preservation discussion sparked by the music thread, with a Frogger sub-question.
Bug fix for Timex/Sinclair 2068 States and Capitals cartridge (#9135) — Bug fix for 43-year-old TS2068 States and Capitals cartridge color attribute.
My first computer experience: Hangman (green screen terminal recreation with TS (#9040) — Hangman BASIC implementation for TS2068/TSPico with ~24000 word list.
Thief game in color (#8068) — Color Thief game released on GitHub, seeking bug reports and levels.
New Timex-native AY demo - now with the TS2068 unique MULTICOLOR videomode (#1211) — New Timex-native AY demo using TS2068 unique multicolor mode
Prototype RPG - "Ten Minute Adventure" (#7212) — Progress on 'Ten Minute Adventure' RPG project for the 2068, dev toolchain
One more TS1000 Hi Res Game (#9378) — Released Zoust, a 16K hi-res ZX81/TS1000 Joust homage.

Utilities & applications

Some news. Also looking for Zebra Systems Graphics designer (#1002351) — Catch-up thread: news, wanted Zebra Graphics designer, TS1500 talk, then Fuse serial joysticks.
BASIC to cartidge (#2138) — Long project converting BASIC programs to TS2068 cartridge DCK images with helper Z80 code.
"64 Column Mode Support" from T/S BASIC; was: New Timex documents uploaded (#4481) — New Timex docs scan drifts into 64-column OS-64 mode, Sprites 64, ROM fixes and memory maps.
Timex Digitizer was: Even more newsletters, featuring Willie Jones! (#1654) — Newsletter feature drifts into recreating the Timex/SMUG video digitizer as a PCB project.
Zebra FDD 3” sk images (#2274) — Imaging and extracting Zebra FDD 3-inch disk programs (CATS disks) via FUSE and real 2068.
Demo Recording of Speech Synthesizer (2068) (#1321) — Recording demo of TS2068 software speech synthesizer; archiving word libraries; AY digital music.
Archiving "Metagraphics" by Calliope Software (#3128) — Archiving Calliope's Metagraphics; deep dive into WAV/TZX conversion tools and ZX81 listing utilities
New batch of REDESIGNED TS1510 CLONE Interface and Cartridges for purchase... (#7339) — Sale of redesigned TS1510 clone interfaces/cartridges; drifts into OS-64 docs and 512K flash-cart development.
T/S 2068 Image Converter Utility? (#4895) — Tools to convert images to TS2068/Spectrum SCREEN$; img2spec, bmp2scr, ZX Block Editor.
Timex Programming Tools; was: Archiving 1983 'Timeblasters' (3-20-83 Version) by (#3167) — Archiving Timeblasters/Rampager expands into Timex programming tools (hex2rem, REM-poking, monitors)
Renumber Programs (#4663) — BASIC renumber program design and bug fixes; drifts to author's soldering/ZX81 projects.
A plethora of programs (#3424) — Archiving Zebra/Swoger tapes (Tech-Draw, Sprites 2068) with emulator and tzx-to-wav workflow tips
Clock program (#2877) — FRAMES-based real-time clock leads to BASIC clock programs, MLX/Speedscript proofreaders, and AdamPhone dialer/clock
That Guide to Games book and a new fun toy (#9261) — Shaun McClure's TS1000/1500 games book chat drifts into developing the PixelPaste/Retro Pixel image converter app.
TS2068 Music Maker; was: Thank you, Tim Swenson! (#736) — zmakebas ASCII-to-Sinclair BASIC conversion of Music Maker drifts into OCR tests and a ZX81 Wordle game
Blank Tape Recommendations?; was: Graphics One Liner - Archiving Interest? (#977) — BASIC graphics one-liner archiving drifts into blank-tape recommendations and how-to-record-tapes documentation
QuickFont (#1590) — Ryan develops and iterates QuickFont 2068 font editor in BASIC, adding machine code through v2.4.
A work in progress software catalog (#9137) — Building a software catalog with Claude-generated BASIC descriptions and screenshots for the website.
Sinclair Spectrum / TS 2068 TAP2BAS recommendations (#2256) — TAP-to-BASIC/DCK conversion tool recommendations and development for cartridge creation.
Print "Byte Power" to from T/S 2068 Emulator? (#961) — Loading "Byte Power" tape magazine in EightyOne emulator sparks tape-preservation discussion and offers to digitize tapes/disks
Five more detailed questions about creating a TS2068 AROS cartridge image (#1797) — Detailed Q&A on building TS2068 AROS cartridge images with BASIC and Z80 code.
Michaud/SMUG video digitizer (#1773) — EasyCAD project to recreate/modernize the Michaud/SMUG video digitizer board with LM1881 and modern parts.
BATCODE (#7771) — Meeting reminder, then AY/STC sound-tracker player and BATCODE VM ported to TS2068 fighting NTSC timing and tight memory.
zmakebas and BASIC Backslash? (#752) — zmakebas backslash/escape-sequence issues converting Super Star Trek BASIC; doubling backslash and copyright-symbol fixes
Those New Mexico Timex Fans (#3585) — NM Timex fans share scanned TS2068 diagnostic cart, MiniPeeker docs, and emulator getting-started guide.
David's image converter and 'The Crown' remastered? (#9275) — David's image converter used to remaster 'The Crown' title screen in 2068 extended color mode.
Wide video modes (#8416) — TS2068 64-column wide mode garbage explained; needs Zebra OS-64, Tasword/Mscript or Pico virtual cartridge
ROM patcher Python Script by Claude (#9144) — Claude-written Python ROM-patcher script for TS-Pico assembler workflows; shared with zx81-utils.
How to break out of VU-File to redirect to SDcard? (#5095) — How to break VU-File autoload to save to SDcard; tips for stopping autorun tape programs.
Calendar Print (#2570) — Ryan Gray's reconstructed calendar-printer BASIC program with SCREEN$ images and Fuse/ImageMagick printing
The Box Trilogy by C. Vernon Tidwell ; was: Sprites 2068 - Sprite Development an (#1511) — Tidwell 'Box Trilogy' BASIC programs' Z80 draw routine fully disassembled and commented by members.
Zmakebas fixed ON ERR and added DELETE (#8216) — Zmakebas bug fixes for TS2068 ON ERR and DELETE keywords, plus DOS build for AROS workflows
New software archive location (#3590) — New archive.org TS software area using TOSEC naming; testing 64-column utilities in FUSE.
Software you can download for the 2068 (#1081) — Downloadable TS2068 software collection posted with screenshots
TASWIDE [from Ryan's old tapes] (#2546) — TASWIDE utility for 64-column tiny-font printing on Spectrum/2068
MSCRIPT [From Ryan's old tapes] (#2544) — MSCRIPT word processor for TS2068 recovered from old tapes
Fuse Utilities: listbasic fixing 2068 keywords (#8217) — Fixing Fuse listbasic 2068 keyword output, added --timex mode option
New .TZX of Timex utilities (#1002016) — Release of a new TZX tape image bundling a set of Timex utility programs.
SMUG Digitizer Programs (#4017) — De-Larkening digitized SMUG video digitizer disk programs
ZX81 utilities (#2800) — Ryan Gray's ZX81 utilities: p2txt lists .P BASIC as text, p2spectrum converts to Spectrum
.dck file utility (#9021) — New dckls utility displays info from .dck virtual Command Cartridge files.
Binary in REM statements in text files (#8985) — ZX-Spectrumizer monochrome mod and TS calendar printer on GitHub
BasinC Developing Environment for Spectrum (#1382) — BasinC development environment for typing/saving TS2068 BASIC programs
Sektor 2068 Disk Editor Program (#6788) — Mowgli Assor's Sektor 2068 disk sector editor for AERCO disk system
USCII - Hires zx81 basic (#2597) — USCII utility redefines characters for hires ZX81 BASIC demos
Calendar Printer (#7494) — Updated calendar printer BASIC program printing months/years with SCREEN$ graphics
Modified listbasic for FUSE utilities (#9130) — Modified FUSE listbasic utility to correctly list TS2068 BASIC from .tap files.
Homebrew 64 column printing (#2547) — Homebrew 64-column printing using half-width fonts and PRINT OVER
LARKEN Diskette to TAP File Port Utility (#1000529) — Utility converting LARKEN diskette files to TAP for archiving/emulation.
SNA to LROS cartridge converter (#1002994) — Tool to convert Spectrum SNA snapshots into LROS cartridge format.
Screen Address Calculator (#8228) — GitHub utility to calculate ZX Spectrum screen memory addresses
Pascal on the TS1000 (#1276) — Partial Pascal for TS1000 manual recovered, OCR'd and posted
P file to TS1510 cartridge ROM image converter (#8027) — Tool to convert ZX81/TS1000 P files to TS1510 cartridge ROM images
Online TAP to DCK converter (#7893) — Online TAP-to-DCK/EPROM converter tool released
Window by David Ellis (#4015) — Digitized Window screen save/restore ML routine by David Ellis from SyncWare News

Spectrum emulation & software

ZX Spectrum ROM in TS2068 (#1001052) — Huge thread on Spectrum ROM in TS2068, TTL RGB, edge connectors, and a collection giveaway.
Some news. Also looking for Zebra Systems Graphics designer (#1002351) — Catch-up thread: news, wanted Zebra Graphics designer, TS1500 talk, then Fuse serial joysticks.
T/S 2068 Library Tape Archiving Process (#2347) — Multi-year project archiving the T/S 2068 Library Tape to TZX/WAV, recovering BASIC and load errors.
Tetris for TS2068; was: Monitor And Dissembler TS2068? (#1189) — Zeus assembler/monitor query drifts into porting Tetris to TS2068 and IF1bis/microdrive emulation
Help me fix a file in The Crown? (#5436) — Converting game The Crown to TZX/TAP for Pico loading; deep detective work on levels, charsets and tape loading.
Zebra FDD 3” sk images (#2274) — Imaging and extracting Zebra FDD 3-inch disk programs (CATS disks) via FUSE and real 2068.
Grimm’s Fairy Trails (#2700) — TS2068 ROM disassembly book release; drifts into EightyOne emulator help and .P-to-BASIC/WAV conversion
T/S 2068 Image Converter Utility? (#4895) — Tools to convert images to TS2068/Spectrum SCREEN$; img2spec, bmp2scr, ZX Block Editor.
A plethora of programs (#3424) — Archiving Zebra/Swoger tapes (Tech-Draw, Sprites 2068) with emulator and tzx-to-wav workflow tips
Switchable Timex Sinclair 2068 ROM modification (#1003483) — Switchable Spectrum-ROM mod for the TS2068, drifting into S-video and Spectranet.
Question about TS-Pico (#4981) — TS-Pico ROM remapping for Spectrum/OS-64/cartridge banks; Pico-as-coprocessor discussion.
Elite? (#876) — Long saga getting Elite running on TS2068 in Spectrum mode; LensLock protection and Goat Soup generator
I Got My Spectrum divMMC Today! (#639) — divMMC on TS2068 via Twister board: TZX/TAP conversion, boot-up failures traced to 2068 power/regulator weakness
I need assistance (#3080) — New owner's emulator help grows into a planned cross-platform TS2068 emulator setup guide/video
LOAD "" CODE with Zesarux (#5336) — Christmas greetings drift into loading CODE blocks from .tap in Zesarux on the 2068; memory/RAMTOP discussion.
TS2068 Spectrum ROM/emulator board/etc (#1002809) — Long discussion of Spectrum ROM swap and emulator boards for the TS2068.
Adventures in .tap and .tzx (#2668) — Troubleshooting .tap/.tzx loading on real TS2068: RAMTOP limits, Spectrum ROM, weak audio input
A couple tapes for you to play around with (#2628) — Digitizing CATS user-group library tapes to WAV/TZX; loading verification and EightyOne/Fuse WAV tools
Timex Disk Systems Overview? (#3676) — Overview of TS2068 disk systems leads to JLO board sharing and reproduction offer.
Spectrum Emulator Cart Emulates... (#1003472) — Spectrum-emulator cartridge: what it emulates and its limits on the TS2068.
Print "Byte Power" to from T/S 2068 Emulator? (#961) — Loading "Byte Power" tape magazine in EightyOne emulator sparks tape-preservation discussion and offers to digitize tapes/disks
Timex Archive uploaded (#1002737) — Timex Archive upload announcement; drifts into making ZX Spectrum games run on TS2068.
Z80 TS2068 Emulator Overflow & Half Carry Flags (#2881) — Z80 overflow/half-carry flag help for a C# emulator, ending with Aerco cartridge board scans
Pico up and running, sort of (#5039) — Debugging TS-Pico load/run errors; sharing reworked Chess.tap that fixes loading on Pico.
BATCODE (#7771) — Meeting reminder, then AY/STC sound-tracker player and BATCODE VM ported to TS2068 fighting NTSC timing and tight memory.
FPGA TS2068 (#1003800) — FPGA reimplementation of the TS2068 — community project discussion.
Does anyone know where I can find a Spectrum Emulator Cartridge (#1003650) — Hunt for a Spectrum emulator cartridge drifts into Timex contended-memory timing details.
Raspberry Pi 4 Sinclair ZX81 Emulator (#9082) — Hunting a ZX81 emulator for Raspberry Pi 4 ARM; settles on ZEsarUX plus EightyOne-via-Wine workarounds.
Emulators (#3299) — Emulator comparison (FUSE, EightyOne, ZEsarUX) and how to save TAP files for real machines
Those New Mexico Timex Fans (#3585) — NM Timex fans share scanned TS2068 diagnostic cart, MiniPeeker docs, and emulator getting-started guide.
SE Basic on Timex 2068 (#9365) — Getting SE Basic and TS2068 ROMs working in FUSE; ties into SE/Chloe and TS-Pico architecture.
Where to download TS2068 programs? (#1003822) — Where to download TS2068 programs and tape/TAP archives online.
Elite without Lens Lock Tech? (#798) — Getting Elite past Lenslock copy protection on TS2068 via FUSE/LensKey snapshots and divMMC SNA/Z80 files
TS2068 ROMS (#9381) — Dumped 2068 ROMs to fix a bad-ROM machine; identifies custom EPROM mods and switchable Spectrum ROMs.
New: How to use ZX Spectrum mode on your TS-Pico (#5444) — How to use ZX Spectrum (TC2048) ROM mode on the TS-Pico; hi-res 512x192 incompatibility noted.
Why Use "Out" for Spectrum Cartridge? (#1001794) — Technical Q&A on why OUT is used to access the Spectrum-emulator cartridge port.
Spectrum Cart Conversions to T/S 2068? (#622) — Argentine site of Spectrum-to-2068 cartridge conversions; member burns and runs converted ROMs.
New software archive location (#3590) — New archive.org TS software area using TOSEC naming; testing 64-column utilities in FUSE.
TS2068 Cartridge Boards - Somethings Wrong (#3111) — Emulator list post that drifts into reverse-engineering bare Aerco TS2068 cartridge/dock boards
tape2tap utility and Warajevo tape to tap utility -- help needed (#1003187) — Help converting cassette recordings to TAP files via tape2tap and Warajevo.
Support for TS2068 Basic in zmakebas (#1667) — Adding TS2068 BASIC support to the zmakebas conversion tool.
WAV to TAP (#1031) — Converting WAV of ISTUG BBS program to TAP/TZX using Zesarux emulator
Errors running 1.44 MB FreeDOS Image file with Android IDOSBox and IBochs PC Emu (#3130) — How-to notes on running Warajevo TS2068 emulator via FreeDOS on Android emulators.
Fuse, Zesarux, Eightyone emulators (#9204) — Workflow using Fuse/Eightyone emulators to type in and save programs
Twister board schematic (#1003489) — Sharing/discussion of the Twister board schematic.
Lunar Jetman and Jet Set Willy on the TS2068 (#6204) — Adjusting CLEAR statement to load Lunar Jetman and Jet Set Willy on 2068
Jupiter Ace emulation cartridge for real T/S 2068 (#8236) — Building Jupiter Ace emulator cartridge for real TS2068 via EEPROM programmer
TS2068 Emulator Recommendations? (#1000716) — Recommendations for TS2068 emulators.
TC2048 Hi-Resolution Graphics (#9115) — TC2048 hi-res/hi-color programs by Crowley and Owen run via emulator.
.dck file utility (#9021) — New dckls utility displays info from .dck virtual Command Cartridge files.
BasinC Developing Environment for Spectrum (#1382) — BasinC development environment for typing/saving TS2068 BASIC programs
FPGA Board Update (#442) — FPGA TS2068+ board update: serial tape loader and Spectrum mode progress
TAPir program (#7309) — TAPir tool for editing/manipulating .TAP files for Sinclair machines.
Paper on Converting Spectrum assembly to T/S 2068 (#73) — Paper on converting Spectrum assembly ROM calls to T/S 2068 ROM calls
A bit of emulated Microdrive fun (#3041) — Putting Warajevo emulated Microdrive on removable USB floppy via Raspberry Pi.
Questions about Spectrum Compatibility and 97% Figure (#1000790) — Discussion of the oft-quoted 97% TS2068 Spectrum compatibility figure.
Converting ZX Spectrum Machine Language programs to run on the TS2068 (#4967) — Converting ZX Spectrum machine language programs to run on the TS2068
Spectrum BASIC "emulators" (#4562) — Windows Sinclair BASIC tools: BASin, BASinC, SpecBAS with download links.
ZX-Basicus (#7820) — ZX-Basicus fast ZX BASIC interpreter with format conversion
Documentation for creating and testing T/S 2068 DCK files with DOSBox (#7551) — How-to for creating/testing TS2068 DCK cartridge files with DOSBox
Modified listbasic for FUSE utilities (#9130) — Modified FUSE listbasic utility to correctly list TS2068 BASIC from .tap files.
SNA to LROS cartridge converter (#1002994) — Tool to convert Spectrum SNA snapshots into LROS cartridge format.
Sinclaude (#8391) — Sinclaude: browser-based ZX81/Spectrum/Z80 emulator co-written with Claude, on GitHub
Online TAP to DCK converter (#7893) — Online TAP-to-DCK/EPROM converter tool released
Timex/Sinclair emulators-Z-80 IM 2 (#7532) — Which emulators correctly support Z80 IM2 interrupts for animation/sound.

Archiving & Media

Tape & library archiving (TAP/TZX)

Modems and Voice-Over-IP Lines (#5281) — VoIP-line modem experiments; MTerm archiving; drifts to BBS-hosted Infocom/Zork text adventures.
T/S 2068 Library Tape Archiving Process (#2347) — Multi-year project archiving the T/S 2068 Library Tape to TZX/WAV, recovering BASIC and load errors.
Local Timex Users; was: I Have Unscanned Timex/Sinclair Books (#87) — Unscanned books request grows into broad archive.org scanning/indexing of TS books and user-group newsletters.
Help me fix a file in The Crown? (#5436) — Converting game The Crown to TZX/TAP for Pico loading; deep detective work on levels, charsets and tape loading.
Grimm’s Fairy Trails (#2700) — TS2068 ROM disassembly book release; drifts into EightyOne emulator help and .P-to-BASIC/WAV conversion
Demo Recording of Speech Synthesizer (2068) (#1321) — Recording demo of TS2068 software speech synthesizer; archiving word libraries; AY digital music.
Archiving "Timeblasters" by Calliope Software (#3129) — Archiving Calliope's Timeblasters drifts into disassembly and a Dual Bus DMA hardware idea
Archiving "Metagraphics" by Calliope Software (#3128) — Archiving Calliope's Metagraphics; deep dive into WAV/TZX conversion tools and ZX81 listing utilities
T/S 2068 Image Converter Utility? (#4895) — Tools to convert images to TS2068/Spectrum SCREEN$; img2spec, bmp2scr, ZX Block Editor.
Timex Programming Tools; was: Archiving 1983 'Timeblasters' (3-20-83 Version) by (#3167) — Archiving Timeblasters/Rampager expands into Timex programming tools (hex2rem, REM-poking, monitors)
A plethora of programs (#3424) — Archiving Zebra/Swoger tapes (Tech-Draw, Sprites 2068) with emulator and tzx-to-wav workflow tips
Archived "Starblasters" by Dan Tandberg (#3061) — Archiving Tandberg's 'Starblasters' TS1000 game; ZMakebas listings and Calliope tape finds.
zx81 tape recovery (#2784) — ZX81 tape-recovery via mvindahl dat-tape-reader JavaScript tool; debugging app.js until tapes successfully archive.
Blank Tape Recommendations?; was: Graphics One Liner - Archiving Interest? (#977) — BASIC graphics one-liner archiving drifts into blank-tape recommendations and how-to-record-tapes documentation
Adventures in .tap and .tzx (#2668) — Troubleshooting .tap/.tzx loading on real TS2068: RAMTOP limits, Spectrum ROM, weak audio input
A couple tapes for you to play around with (#2628) — Digitizing CATS user-group library tapes to WAV/TZX; loading verification and EightyOne/Fuse WAV tools
A work in progress software catalog (#9137) — Building a software catalog with Claude-generated BASIC descriptions and screenshots for the website.
From Eric Johnson, by way of Jack Boatwright (#6541) — Jack Boatwright's garage fire destroys saved material; salvaged tapes get archived and recovered programs shared.
Sinclair Spectrum / TS 2068 TAP2BAS recommendations (#2256) — TAP-to-BASIC/DCK conversion tool recommendations and development for cartridge creation.
Timex Newsletter Achiving (#1368) — Coordinating which Timex user-group newsletters are scanned; lists gaps to archive.
Print "Byte Power" to from T/S 2068 Emulator? (#961) — Loading "Byte Power" tape magazine in EightyOne emulator sparks tape-preservation discussion and offers to digitize tapes/disks
Tilez [from Ryan's old tapes] (#2627) — Ryan's recovered ZX81 Tilez tape drifts into boosting TS1000 save output gain and SVI-CAS/WESPI
Timex Archive uploaded (#1002737) — Timex Archive upload announcement; drifts into making ZX Spectrum games run on TS2068.
Help with a wav file? (#3340) — Diagnosing a dodgy TS2068 cassette WAV; bad tape deck blamed, files later recovered and archived
Typed in a 1K "Galaxian" game for fun tonight (#7020) — Typing in a 1K Galaxian for TS1000; memory-saving code analysis and collection-preservation musings.
Playing "Thief" by Ryan Gray (#2454) — Ryan Gray's tape-rescued 'Thief' game discussed, playtested, and bug-fixed across versions.
Looks like I found the documentation for my Diagnostics Cartridge... (#6591) — Carl uploads scanned docs and Z80 source for his 1980s TS2068 Diagnostics cartridge before thermal paper fades.
missing carts recreated (#1002987) — Recreating missing Timex command cartridges from preserved dumps.
Where to download TS2068 programs? (#1003822) — Where to download TS2068 programs and tape/TAP archives online.
ZX Appeal newsletters - scanned (#1002531) — ZX Appeal user-group newsletters scanned and shared with the list.
50 Timex programs uploaded to groups.yahoo.com/group/ts2068/files/Software/ (#1000799) — Announcement: 50 Timex programs uploaded to the Yahoo group software library.
Type-In Program Suggestions (Master List?) (#185) — Type-in program coordination, archiving via zmakebas/TZX, ZXzine and Type Fantastic
Ottawa-Hull usergroup newsletter indexed (#135) — Ottawa-Hull newsletter indexed; drifts to zmakebas type-in workflow and library preservation
Do T/S 2068-Exclusive Type-In Games Exist? ;was: "Sorting TimexSinclair.com Prog (#7072) — Sorting TimexSinclair.com programs, becomes hunt for 2068-exclusive type-in games in old newsletters.
High resolution scans of SYNC available (#8858) — David scans a complete NOS run of SYNC at high resolution; archive.org OCR and 2040-typeface scanning notes.
Timex literature and software preservation project? (#1001353) — Group plans a Timex literature and software preservation project.
New software archive location (#3590) — New archive.org TS software area using TOSEC naming; testing 64-column utilities in FUSE.
Help needed to prepare JPGs before creating PDFs (#1002497) — Workflow help on preparing scanned JPGs before assembling them into PDFs.
A breakthrough! (#3936) — Breakthrough imaging Larken disks via Greaseweazle/Python and converting flux to loadable images
Digitizing T/S 2068 & ZX Spectrum Documentation (#1000947) — Project to digitize TS2068 and ZX Spectrum documentation.
Example of using Audacity (#2548) — Using Audacity to fix recorded tape waveform giving load errors
tape2tap utility and Warajevo tape to tap utility -- help needed (#1003187) — Help converting cassette recordings to TAP files via tape2tap and Warajevo.
I give you Space War and Star Trek (#2239) — Extracting Space War game from CATS user group 3-inch FDD disks
Lattice of Coincidence (#5847) — Online archive of French-Canadian Timex/Sinclair and QL zines shared.
Another book being scanned (#1002632) — Announcement and discussion of another Timex/Sinclair book being scanned and shared.
Rescuing 'The Crown' (#4932) — Recovering working copy of TS2068 game 'The Crown' from backup tape
WAV to TAP (#1031) — Converting WAV of ISTUG BBS program to TAP/TZX using Zesarux emulator
More 2068 programs (#896) — New type-in 2068 BASIC programs uploaded to archive.org, including 3D fractals
MSCRIPT [From Ryan's old tapes] (#2544) — MSCRIPT word processor for TS2068 recovered from old tapes
New .TZX of Timex utilities (#1002016) — Release of a new TZX tape image bundling a set of Timex utility programs.
Kio's Sinclair ZX Computers Archive (#4620) — Kio's Sinclair ZX computers archive site with many photos and TC2010 recorder.
Program Preservation: was; Re: Awesome TS 2068 Music!‏ (#1001432) — Program-preservation discussion sparked by the music thread, with a Frogger sub-question.
Software Collection (#7582) — Inherited TS-1000 software collection scanned and being digitized/preserved.
Larken disk imaging is complete! (#3659) — Imaging 210 Larken diskettes with Greaseweazle; workflow described
ZX81 tape conversion walkthrough (#7294) — Video walkthrough of recovering ZX81 tapes with converter tool and Audacity.
OCRed version of the user guide (#1002759) — Release of an OCRed TS2068 user guide.
New uploads to Archive.org (#1643) — Scanned ~200 newsletters with new Brother scanner, uploaded to Archive.org.
New additions to archive.org (#1440) — New CATS, Nite-Times News, LISTing newsletter scans added to archive.org
Larken 5 1/4 disk images from Bob Swoger (#3658) — Imaging Larken 5.25-inch disks from Bob Swoger's collection via Greaseweazle
TAPir program (#7309) — TAPir tool for editing/manipulating .TAP files for Sinclair machines.
Another Claude story (#9162) — Using Claude to auto-generate descriptions for 900+ BASIC program listings.
Yet another Timex Sinclair newsletters (#1575) — French-Canadian Timex newsletter SIN identified for archiving.
Scanning/uploading since late April (#3657) — List of books/docs scanned and uploaded to archive.org since April
ZX81/TS1000 tape archive (#3269) — Pointer to Simon Holdsworth's 600+ ZX81 tape online archive
List of CATS tapes (#2781) — Found catalog listing of CATS user-group library tapes by volume
LARKEN Diskette to TAP File Port Utility (#1000529) — Utility converting LARKEN diskette files to TAP for archiving/emulation.
A "behind the scenes" view of TS 2068 development (#8796) — Lon Hildreth's TS2068 development time capsule digitized; behind-scenes history
Window by David Ellis (#4015) — Digitized Window screen save/restore ML routine by David Ellis from SyncWare News
Books, magazines, newsletters, software available on Google Drive (#7234) — David uploads books/magazines/newsletters/software to Google Drive during archive.org outage.

Newsletters & documentation

Bill Miller Collection (#4564) — Bill Miller estate collection for sale becomes Amiga/Atari Q&A and biographical/newsletter archiving of Bill Miller.
Zebra OS-64 Cartridge on Ebay... (#1003676) — eBay Zebra OS-64 cartridge sighting drifts into OS-64 manual and US/Canada newsletter discussion.
Local Timex Users; was: I Have Unscanned Timex/Sinclair Books (#87) — Unscanned books request grows into broad archive.org scanning/indexing of TS books and user-group newsletters.
"64 Column Mode Support" from T/S BASIC; was: New Timex documents uploaded (#4481) — New Timex docs scan drifts into 64-column OS-64 mode, Sprites 64, ROM fixes and memory maps.
Timex Digitizer was: Even more newsletters, featuring Willie Jones! (#1654) — Newsletter feature drifts into recreating the Timex/SMUG video digitizer as a PCB project.
Larken 256K RamDisk (#576) — Larken 256K RAMdisk experiences and reverse-engineering; also ZXzine #9 and color graphics articles.
You must see this (#4465) — Lon Hildreth lends Timex docs/source; reveals the never-released Timex Microdrive (E. Arthur Brown)
Who is Bob Swoger? (#2197) — Community history of Bob Swoger (Chicago TUG, Nite-Times News, BBS); turns into news of his illness and death.
I need assistance (#3080) — New owner's emulator help grows into a planned cross-platform TS2068 emulator setup guide/video
LOAD "" CODE with Zesarux (#5336) — Christmas greetings drift into loading CODE blocks from .tap in Zesarux on the 2068; memory/RAMTOP discussion.
Math Subroutines Book by Richard Booth (#3782) — Richard Booth math subroutines book; OCR/type-in of routines, PLOT3 bug fixes, Time Machine aside
New Mexico Timex Companies; was: ROM code calls in the 2068 (#2770) — 2068 ROM call references lead to NM Timex companies history and reverse-engineering an Aerco cart board.
TS2068 Music Maker; was: Thank you, Tim Swenson! (#736) — zmakebas ASCII-to-Sinclair BASIC conversion of Music Maker drifts into OCR tests and a ZX81 Wordle game
Core War (#3900) — Website-update note becomes a full Core War (Redcode) port to the TS2068
Obstacle Run (#788) — David's zmakebas type-in of Warren Fricke's Obstacle Run, with PEEK/movement bug fixes, drifts into Dane Stegman history
Timex Newsletter Achiving (#1368) — Coordinating which Timex user-group newsletters are scanned; lists gaps to archive.
"Bubbles" T/S 2068 BASIC Program; was: TS Online User Group Meeting Sunday Decem (#8837) — Zoom meeting reminder drifts into typing in/testing the SYNC-magazine 'Bubbles' BASIC program under FUSE.
The Timex/Sinclair 1000 Merchandising Display (#7942) — K-Mart TS1000 store demonstrator photos; ROM was dumped and hardware recreated on external ROM board.
"Machine Code Graphics Loop" by Bernard Bush (#1522) — Type-in BASIC video-art program's embedded ML routine disassembled via Excel/online tools and explained.
ZX Appeal newsletters - scanned (#1002531) — ZX Appeal user-group newsletters scanned and shared with the list.
ZXzine Issue #11 Timer in Assembly question (#7612) — ZXzine Pasmo timer-assembly question leads to shared lib files and QL emulator chat
Timex Sinclair PROM Burner (#6089) — eBay PROM burner find restored and tested; scanned Jim Oram CTM articles and manual.
Clark Calkins' CP/M-Like OS; was: UPDATED! Timex/Sinclair User Group Meeting Mon (#3949) — Clark Calkins' ROM-based CP/M-like OS for ZX81 discussed ahead of his guest meeting
Type-In Program Suggestions (Master List?) (#185) — Type-in program coordination, archiving via zmakebas/TZX, ZXzine and Type Fantastic
Ottawa-Hull usergroup newsletter indexed (#135) — Ottawa-Hull newsletter indexed; drifts to zmakebas type-in workflow and library preservation
Do T/S 2068-Exclusive Type-In Games Exist? ;was: "Sorting TimexSinclair.com Prog (#7072) — Sorting TimexSinclair.com programs, becomes hunt for 2068-exclusive type-in games in old newsletters.
High resolution scans of SYNC available (#8858) — David scans a complete NOS run of SYNC at high resolution; archive.org OCR and 2040-typeface scanning notes.
ZX81 Floating Point Calculator (#1835) — Newsletter sharing leads to Swenson's ZX81 floating-point calculator ROM-call assembly project, ported to 2068.
Timex literature and software preservation project? (#1001353) — Group plans a Timex literature and software preservation project.
Help needed to prepare JPGs before creating PDFs (#1002497) — Workflow help on preparing scanned JPGs before assembling them into PDFs.
Digitizing T/S 2068 & ZX Spectrum Documentation (#1000947) — Project to digitize TS2068 and ZX Spectrum documentation.
Lattice of Coincidence (#5847) — Online archive of French-Canadian Timex/Sinclair and QL zines shared.
Another book being scanned (#1002632) — Announcement and discussion of another Timex/Sinclair book being scanned and shared.
MTERM manuals (#472) — Inventory of MTERM 2050/2068 telecommunications manuals offered for scanning
West Los Angeles ZX Computer Users Group Memo, Jan. 18, 1984 (#201) — Scanned and OCRed a 1984 West LA ZX Computer Users Group newsletter memo
Some issues of SyncWare News now available (#1003880) — Announcement that several issues of SyncWare News are now available.
Spiders - Video Art from Synchro-Sette (Vol. 3, no. 2, Feb. 1984) (#1566) — Typed-in Spiders BASIC video-art program from Synchro-Sette newsletter.
TS 2068 keyword reference (#277) — Alphabetical 2068 keyword keystroke reference card remade from TS Horizons
TS 2068 Schematic (#6624) — Scanned TS2068 blueprint schematic uploaded to archive.org
New uploads to Archive.org (#1643) — Scanned ~200 newsletters with new Brother scanner, uploaded to Archive.org.
New additions to archive.org (#1440) — New CATS, Nite-Times News, LISTing newsletter scans added to archive.org
Timex Sinclair Winter Catalog 1983 (#5674) — Fresh searchable OCR scan of 1983 Timex Sinclair Winter catalog shared
Yet another Timex Sinclair newsletters (#1575) — French-Canadian Timex newsletter SIN identified for archiving.
Scanning/uploading since late April (#3657) — List of books/docs scanned and uploaded to archive.org since April
The Mystery of the Missing 253 by Wes Brzozowski (#1000741) — Reference to Wes Brzozowski's article on the 'missing 253' ROM/BASIC quirk.
Books, magazines, newsletters, software available on Google Drive (#7234) — David uploads books/magazines/newsletters/software to Google Drive during archive.org outage.

Books & manuals

Zebra OS-64 Cartridge on Ebay... (#1003676) — eBay Zebra OS-64 cartridge sighting drifts into OS-64 manual and US/Canada newsletter discussion.
Local Timex Users; was: I Have Unscanned Timex/Sinclair Books (#87) — Unscanned books request grows into broad archive.org scanning/indexing of TS books and user-group newsletters.
That Guide to Games book and a new fun toy (#9261) — Shaun McClure's TS1000/1500 games book chat drifts into developing the PixelPaste/Retro Pixel image converter app.
Math Subroutines Book by Richard Booth (#3782) — Richard Booth math subroutines book; OCR/type-in of routines, PLOT3 bug fixes, Time Machine aside
T/S 1000 and T/S 2068 - How Compatible? (#2707) — TS1000 vs TS2068 BASIC compatibility, conversion tools like Firstloder, and quick-reference cards
TS 2068 Books (#1000465) — Recommendations and sources for TS2068 books and manuals.
That "Dragon Warrier-Looking" Game (#6243) — Identifying a Dragon Warrior-style RPG being written in Z80 assembly as a learning project; book recommendations.
TS 2068 ROM Disassembly book (#1422) — David's TS2068 ROM disassembly book; Burrell reformats home ROM/EXROM to reassemble byte-for-byte, bank-switching notes.
RGB Video (#1001705) — RGB video for the TS2068; thread spun from discussion of the Essential Guide book.
FDD Zebra Technical manual (#1003271) — Hunting for and sharing the Zebra FDD technical manual.
Quick Reference for TS Pico (#5181) — Randy's single-page TS-Pico quick-reference sheet; hidden commands and tips added, hosted on GitHub.
rare schematic (#1002935) — Sharing of a rare TS2068/peripheral schematic.
Creating Arcade Games on Your TS 2068 Book??? (#1001558) — Search for and discussion of the 'Creating Arcade Games on Your TS2068' book; brief spam complaint.
Timex literature and software preservation project? (#1001353) — Group plans a Timex literature and software preservation project.
1000 and 2068 Character Cheatsheet (#2771) — Ryan Gray's TS1000/2068 character-set cheatsheet PDFs with Zmakebas escapes, added to website
Digitizing T/S 2068 & ZX Spectrum Documentation (#1000947) — Project to digitize TS2068 and ZX Spectrum documentation.
Old ROM vs. New ROM on ZX81/Timex 1000? (#3204) — Clarifying Old ROM vs New ROM (ZX80 4K vs ZX81 8K) in Toni Baker book
ts 1500 schematic (#1003149) — Request and sharing of the TS1500 schematic for repair reference.
TS2068 tech manual (complete) temporary download (#1003036) — Temporary download of the complete TS2068 technical manual shared with the group.
Another book being scanned (#1002632) — Announcement and discussion of another Timex/Sinclair book being scanned and shared.
MTERM manuals (#472) — Inventory of MTERM 2050/2068 telecommunications manuals offered for scanning
TS2068 ROM Disassembly (#1000329) — Announcement and confirmations around the TS2068 ROM disassembly — a definitive reference document.
Timex 2068 Technical Manual (#5604) — Scanned TS2068 Technical Manual posted to archive.org and print-on-demand via Lulu
TS2068 Memory Map and ROM Disassembly by Bob Orrfelt (#1414) — Provenance of Bob Orrfelt's TS2068 Memory Map and ROM disassembly
New PDF of the Technical Manual (#1003837) — New PDF scan of the TS2068 Technical Manual shared with the group.
OCRed version of the user guide (#1002759) — Release of an OCRed TS2068 user guide.
Introduction to 2068 Machine Code by Lloyd Dreger (#3479) — Scanned Lloyd Dreger's Introduction to 2068 Machine Code book
Timex Sinclair 2068 Technical Manual WOS download location (#1003039) — Pointer to where the TS2068 Technical Manual can be downloaded on WoS.
Timex Sinclair Winter Catalog 1983 (#5674) — Fresh searchable OCR scan of 1983 Timex Sinclair Winter catalog shared
Silversoft ZX81 Compiler (#7668) — Found and shared missing Silversoft ZX81 Compiler documentation
Scanning/uploading since late April (#3657) — List of books/docs scanned and uploaded to archive.org since April
Timex Technical Memos and Zebra Basic Compiler Manual (#1003593) — Sharing of Timex technical memos and the Zebra BASIC Compiler manual.
A&J Micro Drive Manual Model 2000 (#1645) — A&J Micro Drive Model 2000 manual and printer interface shared.
ZX Spectrum machine language book available as download (#7832) — Free ZX Spectrum assembly game-building book PDF/epub download
Books, magazines, newsletters, software available on Google Drive (#7234) — David uploads books/magazines/newsletters/software to Google Drive during archive.org outage.

Community

User group meetings & events

ABQ User Group "Meeting" - Sat. Feb. 25, 2023 (#2936) — ABQ meeting recap drifts into TS1000 composite-video mods, recapping, and a ZX81 game type-in.
Q*Bert on tape? (#2011) — Hunt for QBert on tape becomes a QBert disassembly and Z80 source project; ABQ group aside.
ABQ User Group Meeting - Sat. Feb. 3, 2024 (#5879) — ABQ user group meeting minutes: Kaypro CP/M, Timex 2050 modem serial mod, wide-ranging chatter.
Who is Bob Swoger? (#2197) — Community history of Bob Swoger (Chicago TUG, Nite-Times News, BBS); turns into news of his illness and death.
Topics for Next Timex Sinclair Zoom Meeting (End-of-July?) (#242) — Zoom-meeting topic call became a detailed 2068 RGB/bright-signal video-out engineering project
YUV to RGB conversion PCB from David... (#5594) — Finishing and testing a YUV-to-RGB converter PCB for TS2068; brief Zoom meeting scheduling aside.
Print "Byte Power" to from T/S 2068 Emulator? (#961) — Loading "Byte Power" tape magazine in EightyOne emulator sparks tape-preservation discussion and offers to digitize tapes/disks
BATCODE (#7771) — Meeting reminder, then AY/STC sound-tracker player and BATCODE VM ported to TS2068 fighting NTSC timing and tight memory.
"Bubbles" T/S 2068 BASIC Program; was: TS Online User Group Meeting Sunday Decem (#8837) — Zoom meeting reminder drifts into typing in/testing the SYNC-magazine 'Bubbles' BASIC program under FUSE.
Those New Mexico Timex Fans (#3585) — NM Timex fans share scanned TS2068 diagnostic cart, MiniPeeker docs, and emulator getting-started guide.
Timex Computer Collection Video; was: Re: Timex 1510 Cart Adapter (#1036) — Meeting with ex-Timex programmer Will Collum on 1500/1510 cart probe; collection video made and discussed.
VCF Southwest (#9396) — VCFSW attendance chat turns to a 3D-printed TS1510 clone adding ZXpand/OpenSpand functionality.
Clark Calkins' CP/M-Like OS; was: UPDATED! Timex/Sinclair User Group Meeting Mon (#3949) — Clark Calkins' ROM-based CP/M-like OS for ZX81 discussed ahead of his guest meeting
Photos of a TS computerfest in Indianapolis, 1987 (#1002684) — Photos from the 1987 Indianapolis Timex/Sinclair computerfest.
Timex Sinclair Online User Group Meeting Sunday, Sept 17 (#4268) — Meeting reminder brainstorming a 'next 2068' replacement: banked BASIC, SCLD redesign, S-100

For sale, wanted & collections

Bill Miller Collection (#4564) — Bill Miller estate collection for sale becomes Amiga/Atari Q&A and biographical/newsletter archiving of Bill Miller.
TS1510 on ebay (#5854) — eBay TS1510 listing becomes a TS1510 cartridge-player clone kit project with reproduction carts shipped.
ZX Spectrum ROM in TS2068 (#1001052) — Huge thread on Spectrum ROM in TS2068, TTL RGB, edge connectors, and a collection giveaway.
Some news. Also looking for Zebra Systems Graphics designer (#1002351) — Catch-up thread: news, wanted Zebra Graphics designer, TS1500 talk, then Fuse serial joysticks.
Zebra OS-64 Cartridge on Ebay... (#1003676) — eBay Zebra OS-64 cartridge sighting drifts into OS-64 manual and US/Canada newsletter discussion.
Local Timex Users; was: I Have Unscanned Timex/Sinclair Books (#87) — Unscanned books request grows into broad archive.org scanning/indexing of TS books and user-group newsletters.
New batch of REDESIGNED TS1510 CLONE Interface and Cartridges for purchase... (#7339) — Sale of redesigned TS1510 clone interfaces/cartridges; drifts into OS-64 docs and 512K flash-cart development.
TS Cartridge Rarity (#1003252) — Ebay listing drifts into extended discussion of TS cartridge rarity and value.
Timex hi-resolution modes - CP/M (#1001820) — Deep discussion of Timex hi-resolution video modes under CP/M, plus a software offer.
My review of the Willie Jones 2068 JLO disk system clone (#7242) — Review of Willie Jones JLO disk clone turns into buying/selling JLO boards, drives and TS1510 carts
ZX Spectrum 128K vs TS2068 (#1001186) — Long thread comparing 128K Spectrum to 2068, Oliger FDD, and DivIDE storage.
JLO Disk Boards & Printer Board (#4111) — Willie Jones clones JLO/Oliger floppy and printer boards; group orders kits and discusses expansion bus.
Picked these up recently from Argentina... (#6736) — eBay Czerweny CZ2000/CZ1500 finds spark detailed Argentine/Portuguese TS1500 PCB-variant and date-code analysis.
Sinclair BASICs: DEF FN, Beginner (#8093) — DEF FN beginner tutorial that gets hijacked by a for-sale TS software list
Composite TVs and Monitors (#5508) — Composite-ready TV recommendations for modded TS1000/TS1500; covers composite mod boards, then turns to parts trades.
Timex Computer Collection Video; was: Re: Timex 1510 Cart Adapter (#1036) — Meeting with ex-Timex programmer Will Collum on 1500/1510 cart probe; collection video made and discussed.
Software Collection (#7582) — Inherited TS-1000 software collection scanned and being digitized/preserved.
New Replacement Faceplates / Keyboard Overlays (#1004041) — New replacement faceplates and keyboard overlays being produced for the TS2068.

Other retro computers

Bill Miller Collection (#4564) — Bill Miller estate collection for sale becomes Amiga/Atari Q&A and biographical/newsletter archiving of Bill Miller.
ZX Spectrum 48K Repair - Jan 2024 - Ryan got a ZX Spectrum 48K from the Bill Mil (#5525) — Diagnosing/recapping a dead ZX Spectrum 48K from Bill Miller collection; NTSC ULA, dot-crawl fix, PSU.
Timex Computer 3256 Prototype (#4317) — Speculation on a next-gen 2068 drifts to the real TC3256 prototype history and Apple IIGS comparisons.
ABQ User Group Meeting - Sat. Feb. 3, 2024 (#5879) — ABQ user group meeting minutes: Kaypro CP/M, Timex 2050 modem serial mod, wide-ranging chatter.
My New 2068 Toys/RGB Monitor Adapter Works - Hooray! (#530) — David's RGB monitor adapter works; long thread on HDMI conversion, capture-device sync issues and RF background.
What makes Z80 special? (#1218) — Discussion of what makes the Z80 special vs 6502; CP/M history and other Z80 machines.