Articles (337)
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| 16K RAM Pack Schematic | SQ Syntax Quarterly | Winter 1982 | |
| 16K RAM Pack Schematic | LISTing Newsletter | April 1994 | |
| 2050 Modem Schematic | LISTing Newsletter | September 1997 | |
| 2068 Bank Switching, Part IV | LISTing Newsletter | July - September 1986 | |
| 2068 Circuit Diagram | CATS Newsletter | January 1986 | |
| 2068 Dock Connector For More Than Games | ISTUG Newsletter | March 1988 | |
| 2068 Random Numbers Describes the random number generation scheme in the 2068. | CATS Newsletter | May 1985 | |
| 2068 ROM Bug Documents bug described in tech manual. | CATS Newsletter | March 1985 | |
| 2068 System Variables Usage | Sincus News | April 1985 | |
| 2068 Tape Tutorial Detailed description of how the TS 2068 saves programs to tape. Includes information about the record format on tape, all... | Sinc-Link | November/December | |
| 2068 to Spectrum Cross-Reference | H. Edward Weppler | CATS Newsletter | September 1985 |
| 4K ROM: Display Routine DISPLAY begins the 4K ROM’s input/output module at 013Ch, or 316d. | Syntax | August 1981 | |
| 8K Basic ROM and 16K-Byte RAM Pack Specifications | SYNC | May/June 1981 | |
| 8K ROM Monitor Routines Continuation of article from prior issue examining the 8K ROM. | Syntax | October 1981 | |
| 8K ROMCALLS Program scans the ROM up to 7679, building a stack of CALLED and CALLING addresses. Then it sorts and displays... | Martin Irons (K2MI) | Syntax | December 1983 |
| A Comparative ROM Atlas: From Spectrum to TS2068 | Sincus News | May - June 1988 | |
| A Cross-Correlation of the Spectrum ROM Versus TS2068, Part 3 | LISTing Newsletter | March 1985 | |
| A Cross-Correlation of the Spectrum ROM Versus TS2068, Part 4 | LISTing Newsletter | April 1985 | |
| A Handy Keyword and Function Table | LISTing Newsletter | January 1986 | |
| A Keyword Table for the TS 2068 | Timelinez | April 1984 | |
| A New 2068 Bug? | Sincus News | May - June 1989 | |
| A Practical Study of System Variables: Put Them to Use with BASIC. Appendix D of the user manual lists the memory addresses of RAM where most of the TS-2068 system variables are... | Bill Jones | Update Magazine | April 1988 |
| A Tip for QL Owners One user found out the hard way that the QL chassis is grounded, resulting in blown video output. | Sinc-Link | January/February 1988 | |
| Alphabetical Index of North American Suppliers 12/01/84 | LISTing Newsletter | April 1985 | |
| An Introduction to Expression Evaluation In the Sinclair 8K ROM program of the ZX80/81 the “expression evaluator” is to be found at 0F55-111Bh (improved 8K... | SYNC | May/June 1982 | |
| Annotated 4K ROM Listing The 4K ROM SAVE routine listing, including the original designer’s notes. | Syntax | May 1981 | |
| Annotated 4K ROM Listing – Systems Variables Listing tells you the values of all major variables used in the 4K ROM. | Syntax | October 1981 | |
| Annotated 4K ROM: LOAD Routine Assembly for the 4K ROM’s LOAD routine. LOAD begins in ROM location 0206H, or 518d. | Syntax | July 1981 | |
| Another Video Primer Definitions of common terms used to describe video signals. | SyncWare News | March-April 1987 | |
| Archive Character Codes | Peter Hale | Sinclair Timex User Group Newsletter | January - February 1989 |
| Assorted Tipbits | ISTUG Newsletter | June 1987 | |
| Attribute Function Defined | The Plotter | ||
| Bank Switching The Timex/Sinclair 2068 Computer | LISTing Newsletter | February 1986 | |
| Bank Switching the TS2068 (III) | LISTing Newsletter | May 1986 | |
| Bankswitching on the T/S 2000 Series Computers, Part I | LISTing Newsletter | January - February 1987 | |
| Bankswitching, etc…. | LISTing Newsletter | March - April 1987 | |
| Basic at a Stretch | LISTing Newsletter | Summer 1990 | |
| BASIC Bank Switching Short recap of ways to add RAM to the TS 2068 and switch it in/out. | SyncWare News | Mar-Apr 1986 | |
| BASIC Conversion Chart | The RAMTOP | October 1985 | |
| Beginner’s Corner | CATS Newsletter | April 1986 | |
| Beginner’s Corner: D File | CATS Newsletter | May 1986 | |
| Beginner’s ROM and RAM Addresses ROM and RAM addresses in 4K ROM, 1K RAM machines. | Syntax | May 1981 | |
| Binary Manipulation | CATS Newsletter | July 1985 | |
| Bob’s Notebook: Tutorial on Open, Close, Channels & Streams | Sinc-Link | September/October 1988 | |
| Books For the 2068,Spectrum | The RAMTOP | March 1986 | |
| Bug Alert | Sincus News | September 1984 | |
| Comments on Dr. Watson’s Article | LISTing Newsletter | January - February 1987 | |
| Comparative ROM Atlas: From ZX Spectrum to 2068 To convert SPECTRUM software to the 2068, you need the location and function of ROM routines in each. You can... | Syntax | October 1984 | |
| Comparative ROM Atlas: From ZX Spectrum to 2068 | Sincus News | March - April 1988 | |
| Computus Interruptus Originally published in SINCUS News. | ZXir QLive Alive! | Fall 1994 | |
| Computus Interruptus 2 | ZXir QLive Alive! | Spring 1995 | |
| Computus Interruptus, Part 3 If you try to relocate the machine code to the same 16K memory block as the display file (16-32K), you... | Wes Brzozowski | Sincus News | April 1985 |
| Computus Interruptus, Part 4 The interrupt driven print-screen program we’ve been playing with is just about “all used up” as a learning tool. Its... | Wes Brzozowski | Sincus News | May - August 1985 |
| Computus Interruptus, Part 5 Non-Maskable Interrupts You’ll need an “NMI Switch”, RAM in the DOCK bank and the ability to copy the T/S 2068... | Wes Brzozowski | Sincus News | November - December 1985 |
| Computus Interruptus, Part 6 Now, it’s time to fire up your T/S 2068. Type in and RUN the listing below. This must be done... | Wes Brzozowski | Sincus News | March - April 1986 |
| Computus Interruptus, Part 7 Now we’ll cover a couple of tricks we can do because the maskable interrupt is synchronized with the computer’s video... | Wes Brzozowski | Sincus News | July - August 1986 |
| Computus Interruptus, Part 8 Now we’ll return to the interrupt driven sprite program. When you type RANDOMIZE USR 64776 to start the program, the... | Wes Brzozowski | Sincus News | September - October 1986 |
| Convert Your CAI Stringy Floppy to Store Variables Within the BASIC Program Just As The Cassette Does | Timelinez | August 1984 | |
| Data Transfer on the Serial Port | Sincus News | January - February 1988 | |
| Data Transfer on the Serial Port | SLUG Newsletter | February 1988 | |
| Developing a Memory Map Consensus Nick Lambert of Quicksilva proposed that suppliers for the Sinclair computers reach a consensus on some kind of memory map... | SYNC | May/June 1982 | |
| Disk Drive Control & Interfacing | LISTing Newsletter | December 1985 | |
| Disk Drive Control and Interfacing, Part 2 | LISTing Newsletter | January 1986 | |
| Disk Drive Control and Interfacing, Part 3 | LISTing Newsletter | February 1986 | |
| Does Anybody Know What Time It Is? Analysis of execution times of various functions. | Sinclair Timex User Group Newsletter | July 1983 | |
| Dueling Devices Problems related to incomplete I/O address decoding. | Syntax | August 1983 | |
| EPROM Concepts | LISTing Newsletter | February 1991 | |
| Exploring the Timex/Sinclair 1000’s Sinclair Logic Chip | Sincus News | November - December 1988 | |
| Exploring the Timex/Sinclair 1000’s Sinclair Logic Chip (SCL) Attempts to reverse engineer the ULA via disassembly of ROM. | Sincus News | November/December 1988 | |
| Exploring the Timex/Sinclair 1000’s Sinclair Logic Chip (SCL), Part 2 More exploration, including some circuit sketches. | Sincus News | January/February 1989 | |
| Exploring the Timex/Sinclair 1000’s Sinclair Logic Chip, Part 2 | Sincus News | January - February 1989 | |
| Exploring the Timex/Sinclair 1000’s Sinclair Logic Chip, Part 3 | Sincus News | March - April 1989 | |
| Exploring the Timex/Sinclair 1000’s Sinclair Logic Chip, Part 3, Conclusion Final installment continues with drawing of internal data latch and internal data bus. | Sincus News | March/April 1989 | |
| Extra Memory Programming Most of us can visualize the computer's "regular" memory. We know that the ROM part of memory has "fixed" machine... | Bill Jones | Update Magazine | January 1988 |
| Extra RAM | LISTing Newsletter | April 1985 | |
| Free Z80 and 68008 Technical Manuals | Nite-Times News | March 1987 | |
| From Other Basics – VAL and LEN ZX80 Basic substitutions for LEN and VAL functions. | Syntax | September 1981 | |
| Hex-Dec Conversion | LISTing Newsletter | November 1984 | |
| Hints & Tips | LISTing Newsletter | October 1984 | |
| History’s Greatest TS2068 POKEs and Extras Collection of POKEs from various newsletters. | Update Magazine | January 1993 | |
| Hog Heaven – ROM Entry Points Complete list of global subroutine calls for the 4K ROM’s eigh software modules. | Syntax | April 1981 | |
| How ROMs and EPROMs Compare | LISTing Newsletter | October 1984 | |
| How to Change RAMTOP, Part 1 | The Plotter | March 1984 | |
| IEEE-488 For Sinclair Users | ISTUG Newsletter | July - August 1991 | |
| In and Out of Caps Mode From Within a Program | Timelinez | August 1984 | |
| Input Cursors (for the TS 2068) I like to get newsletters with bits of programming that I can use to dress-up my programming or add to... | Bill Dunlop | The Plotter | May 1993 |
| Inside Your Computer Reprint of material from Zilog’s Z-80 Z-80A CPU Technical Manual. | SQ Syntax Quarterly | Summer 1983 | |
| Intro to Machine Language Start of series on machine language programming for beginners. | Syntax | May 1981 | |
| Journey to the centre of the ROM | LISTing Newsletter | June 1992 | |
| Joystick Applications | QuarTerS | Winter 1987 | |
| Joystick Connectors | LISTing Newsletter | Sample Issue | |
| Joystick Interfaces | ISTUG Newsletter | February 1988 | |
| Key Card for TS-2068 | LISTing Newsletter | October 1990 | |
| Key Modifications for 2068 Users Recently SUM ran an article on English keyboards available for Spectrum and 2068 users. At that time detailed instructions were... | SUM | January 1986 | |
| Keyboard Scanning Your 2068 uses ports to scan its keyboard, as do all Sinclairs. Each uses the same addresses, but the data... | Syntax | February 1984 | |
| Larken ZX-81 Disk Interface | VISTA Newsletter | ||
| Layout Guide TS1500 | The RAMTOP | December 1985 | |
| Lessons Learned on the use of Joystick Ports for I/O | CATS Newsletter | April 1985 | |
| Lessons Learned on the Use of Joystick Ports for I/O | LISTing Newsletter | July 1985 | |
| Little Goodies for the 2068, Edition 3 | LISTing Newsletter | September 1985 | |
| Little Goodies for the 2068, Edition 3 | The RAMTOP | August 1985 | |
| Little Goodies for the TS 2068, Edition 3 | CATS Newsletter | January 1986 | |
| Logic Families This article is a collection of data from various data books and specification sheets and is intended to provide a... | T-S Horizons | November 1984 | |
| Logical Operators | ZX-Appeal | Summer 1988 | |
| M/C Bits | CATS Newsletter | March 1986 | |
| Machine Code Topics: 2068 BASIC ROM Calls This is the first of an occasional and indefinite series on machine-code programming for the 2068. I do not intend... | SyncWare News | Sept-Oct 1984 | |
| Math Function Execution Time User-tested timing of math functions. | Syntax | September 1982 | |
| MC68000 CPU (Continued) | Capital District Timex-Sinclair Computer Club newsletter | September 1990 | |
| MC68000 CPU Machine Code (cont) Logical operations. | Capital District Timex-Sinclair Computer Club newsletter | April 1990 | |
| MC68000 CPU Machine Code Continued | Capital District Timex-Sinclair Computer Club newsletter | August 1990 | |
| MC68000 Machine Code (Continued) | Capital District Timex-Sinclair Computer Club newsletter | June 1990 | |
| Member’s Hints and Tips | LISTing Newsletter | September 1989 | |
| Miscellaneous Magnetic Tape Tidbits | LISTing Newsletter | October 1985 | |
| More About … the Mystery of the Missing 253 The Greetings Welcome back to another episode, as we try to unravel a few more clues about the Extended Bank... | Wes Brzozowski | Time Designs Magazine | September/October 1986 |
| More on Attributes After The Editor read thru Syd Wyncoop’s excellent dissertation on using direct ink/paper/flash commands embedded within program lines and trying... | Dick Wagner | The Plotter | February 1987 |
| More on Magnetic Tape Cassettes | LISTing Newsletter | September 1985 | |
| More Pokes | ZX-Appeal | December 1987 | |
| More Timex Sinclair | LISTing Newsletter | September 1989 | |
| Motorola 68060 Microprocessor | The RAMTOP | Spring 1994 | |
| Multiple Program Load several programs in the 2068 simultaneously. | LISTing Newsletter | March 1986 | |
| Navigating Through the Display File Jungle | CATS Newsletter | Aug 1986 | |
| Navigating Through the Display File Jungle Those who’ve manipulated the nice orderly display file on the ZX-81/TS-1000 have been somewhat perplexed by the T/S 2068. Yes,... | Sincus News | May - June 1986 | |
| New 8K ROM Features Updated list of the redesigned 8K ROM features not available on the 4K ROM and a brief explanation of their... | Syntax | May 1981 | |
| New 8K ROM Potpourri Sinclair’s first 8K ROM had a few bugs; list of changes to the 8K ROM map. | Syntax | November 1981 | |
| Note on copyright; REM skips next line REM statements with copyright notices do constitute legal protection; a blank REM causes the interpreter to skip next line. | Syntax | March 1981 | |
| Numbers Held Inexactly on the ZX81 First in a series of articles on numerical errors in the 8K ROM. | Syntax | March 1982 | |
| Obscure Commands | ZXir QLive Alive! | Winter 2002 | |
| Oi! Maude Someone’s Gone and Nicked the Tips Again! | ISTUG Newsletter | May - June 1992 | |
| Oi! Maude Someone’s Gone and Nicked the Tips Again! | LISTing Newsletter | January 1993 | |
| Oi! Maude Someone’s Gone and Nicked the Tips! | ISTUG Newsletter | March - April 1992 | |
| Oliger Disk Drive Interface Owners | ISTUG Newsletter | October - November 1987 | |
| Oliger Disk Interface With JLO SAFE Specifications | ISTUG Newsletter | November - December 1989 | |
| On Loading Waveforms and Levels | LISTing Newsletter | August 1985 | |
| Operation Codes of the 8080, 8085, and Z80 Processors Conversion tables across the three processors. Reprint of article from March 1980 Byte magazine. | SQ Syntax Quarterly | Spring 1983 | |
| OS-64 Bug | Timex Sinclair Users Group Mile High Chapter Newsletter | November-December 1987 | |
| Parts Substitution List for ZX-81 & T/S-1000 | VISTA Newsletter | ||
| PEEKing EXROM | CATS Newsletter | November 1985 | |
| Peeks and Pokes for the TS1000 | ZX-Appeal | November 1986 | |
| Perceptions The ZX81 Parser (Part 2). In the last issue I began a discussion of the ZX81’s parser which is a... | SYNC | July/August 1982 | |
| Perceptions This article is the third in a series discussing the ZX81 Parser. Since the first two articles may have been... | SYNC | September/October 1982 | |
| Picture Popper | CATS Newsletter | December 1985 | |
| Pin connections of the ZX81 expansion port | ZX-Appeal | November - December 1988 | |
| Playing With Electricity | ZX-Appeal | February - March 1988 | |
| Playing With Electricity | ZX-Appeal | Summer 1990 | |
| Playing With Electricity: Channels and Jobs | ZX-Appeal | June 1988 | |
| Playing With Electricity: Memory Map | ZX-Appeal | December 1987 | |
| POKEs, Etc for 2068 The January 1993 issue of UPDATe magazine has a page of pokes by Frank Davis. I believe the lists that... | Dick Wagner | The Plotter | March 1993 |
| POKEs, Etc for 2068 An error in the March page of POKES needs a correction. The last one was RANDOMIZE 0, it should have... | Dick Wagner | The Plotter | April 1993 |
| Poking Around I have been collecting all sorts of pokes, hints, maps, and other information for the Spectrum and TS2068. I have... | Douglas Jeffery | ZX-Appeal | February - March 1988 |
| Pot Pourri This method of using recursive DEF FN to obtain sums was discussed in a TS Survival column in COMPUTER SHOPPER.... | Elliott Hammett | LISTing Newsletter | November 1985 |
| Producing Flashy Listings | ZXir QLive Alive! | Spring 2001 | |
| Programmer’s Corner Here is something I picked up from Chuck Dawson in the Ft. Worth User’s Group Newsletter. Did you know that... | Chuck Dawson | LISTing Newsletter | April 1985 |
| Programming Tip For October | LISTing Newsletter | November 1989 | |
| Programming Tips Here is a cute routine to show your friends. Did you know that you can use DRAW command with a... | LISTing Newsletter | October 1992 | |
| Programming Tips | T. S. S. Newsnotes | October 1, 1984 | |
| Programming Tips Here are a few of my favorite RAM saving substitutes for you to ponder: Instead of Try using PRINT #0... | Nite-Times News | July - August 1993 | |
| Programming Tips for the 2068 In honor of the “October is TS 2068 Month” movement, CATS is happy to present the following collection of tips,... | Charles Hank Dickson | ZX-Appeal | Summer 1990 |
| Programming Tips for Timex Sinclair Computers Some tricks I have picked up over the years are ways to save memory on your TS Computer. This are... | Don Barnard | T. S. S. Newsnotes | July - August 1985 |
| Programming Tips on the 2068 Sometimes a programming problem can be easily solved by using certain tricks. Here are a few tips and techniques to... | ZX-Appeal | March - April 1989 | |
| QL Circuit Diagram | LISTing Newsletter | March 1994 | |
| QL Corner: Repair Tips | LISTing Newsletter | April 1993 | |
| QL Keyboard Connections | Update Magazine | January 1993 | |
| QL Keyboard Matrix Chart | LISTing Newsletter | October 1990 | |
| QL Pokes | SMUG Bytes | January 1989 | |
| QL Printouts | CATS Newsletter | June 1987 | |
| QL Serial Cable Printouts | LISTing Newsletter | May 1991 | |
| QL Sync Signals | ISTUG Newsletter | September - October 1989 | |
| QL Tip | The Plotter | August 1988 | |
| QL Tip | Nite-Times News | September 1987 | |
| Random Pokes If you don’t want the “side-effect” of changing the random number seed in USR calls, try: IF USR address THEN. | Sinclair Timex User Group Newsletter | June 1983 | |
| Ray Byler’s 2068 ROM Brief description of Ray Byler’s ROM dump/comparison. The original work was done by Ray Byler on his Kaypro computer using... | Sincus News | May/June 1989 | |
| Reading the Joysticks The two joysticks are controlled via Register 14 (I/O Port A) of the Programmable Sound Generator Chip (see Sections 2.1.6... | CATS Newsletter | January - February 1985 | |
| Reference Sheet: Z80 Op-code and explanations | LISTing Newsletter | October 1986 | |
| Resistor Guide | LISTing Newsletter | October 1988 | |
| ROM Atlas, Part II | LISTing Newsletter | February 1985 | |
| ROM Disassembly | Sincus News | November - December 1986 | |
| ROM Disassembly | Sincus News | January - February 1987 | |
| ROM List Delay 4K ROM assembly listing has been delayed for a couple of weeks. | Syntax | September 1981 | |
| RS-232 Pin Assignments | ISTUG Newsletter | November - December 1989 | |
| Save Memory: Use Buried Color Codes Instead of Color Commands Many of you have purchased commercial programs that appear to be unlistable, yet they run fine. One of the ways... | Syd Wyncoop | The Plotter | January 1987 |
| Saving Memory | ZX-Appeal | October - November 1987 | |
| Secrets of the QL memory | LISTing Newsletter | June 1994 | |
| Setting up the 2068 Next time you sit down to program on your 2068, try this upon powering up: CLEAR 65535: POKE 23561,10: POKE... | SUM | ||
| Sinclair ZX 16K RAM Pack | VISTA Newsletter | ||
| Sinclair ZX 16K RAM Pack Issue 3-SRC104 Schematic. | SQ Syntax Quarterly | Summer 1983 | |
| Sinclair ZX-81 Several letters in response to request for ZX-81 schematic. Letters include details about user’s experiences. Schematics of ZX80, ZX81 and... | The Computer Journal | ||
| Sinclair ZX81 Schematic | ISTUG Newsletter | January - February 1991 | |
| Some Key Points About the TS1000 Keyboard | Sincus News | April 1984 | |
| Soviet Block Crumbles: Spectrum Secrets Uncovered Although we seem to concentrate on the TS2068, many if not all of us have some sort of Spectrum ROM... | ISTUG Newsletter | May - June 1992 | |
| Soviet Block Crumbles: Spectrum Secrets Uncovered | LISTing Newsletter | January 1993 | |
| Spectrum Calls and Pokes Here are a selection of POKEs and ROM calls for the Spectrum that produce some interesting effects without upsetting the... | The RAMTOP | December 1985 | |
| Spectrum Logic Circuit | LISTing Newsletter | October 1986 | |
| Spectrum ROM Bug | LISTing Newsletter | March - April 1987 | |
| Spectrum ROM Calls | T. S. S. Newsnotes | November 15, 1984 | |
| Spectrum ROM Entry Points Indexed Alphabetically | Sincus News | July - August 1989 | |
| Spectrum ROM Entry Points Indexed By Address | Sincus News | November - December 1989 | |
| Spectrum vs TS 2068 Comparison of the two system busses so enterprising users could build their own twister board. | T. S. S. Newsnotes | ||
| Spectrum/2068 Compatibility It is not the case that all BASIC programs for the SPECTRUM will run as is on the 2068. The... | M. S. Morris | CATS Newsletter | March 1985 |
| SQ Notes Ever wonder what some of the intended functions for some of the keywords on your computer were? Like the MOVE,... | Rudy A. Hilsmann | SLUG Newsletter | April 1988 |
| SQ Notes: Biorhythms I mentioned in last month column that I would hope to have VU-Calc +80 all polished up for this month,... | Rudy A. Hilsmann | SMUG Bytes | February 1988 |
| SQ Notes: Functions I do not know how many of you ever seen the manual that comes with the SPECTRUM COMPUTER? It may... | Rudy A. Hilsmann | SMUG Bytes | September 1988 |
| SQ Notes: INPUT For this month lets check some of the other fine points of SINCLAIR BASIC not covered in the TIMEX MANUAL,... | Rudy A. Hilsmann | SMUG Bytes | December 1988 |
| SQ Notes: Math Functions Some more ramblings about things not fully covered in the TIMEX MANUAL this month. Looks like the time between newsletters... | Rudy A. Hilsmann | SMUG Bytes | October 1988 |
| Stop Me If You’ve Heard This Before | Sinclair Timex User Group Newsletter | January - February 1989 | |
| Streaming Along I’m sure that you all know by now how to drive your printers from a program; you simply replace your... | Jim Hayes | CATS Newsletter | July 1984 |
| Streams and Channels A stream is a dataflow in/out the program. Its home terminal is the program; its remote terminal is deliberately assigned... | John Pazmino | LISTing Newsletter | October 1986 |
| String INPUT Hints There another use of the keyword "LINE" beside starting a program at that line when saving a program. If the... | David Hoshor | The RAMTOP | November 1985 |
| System Variables Here is a program which you can merge with one you have written and which will print out a list... | Scott Eddy | Sincus News | September - October 1986 |
| System Variables and Number Storage Appendix D of the TS-2068 user manual gives four pages of “System Variables”, which most users klnda ignore, These variables... | Update Magazine | April 1988 | |
| T/S 1000 Reference | CATS Newsletter | June 1985 | |
| T/S 2000 Tips There have been a number of tips for the 2000 that have shown up at news letter meetings and in... | Gyuri Grell Edward "Ned" Beeler David Hoshor | CATS Newsletter | April 1984 |
| T/S 2068 Color Monitor Difficulties Some hams have difficulty using some color monitors with the T/S 2068. There are very good reasons for these difficulties.... | Alex Burr (K5XY) | LISTing Newsletter | September 1994 |
| Tape Loading: First, Last, and Always | CATS Newsletter | April 1984 | |
| Tape Records Here is all you wanted to know about saving to tape but didn’t know where to look. Except for minor... | LISTing Newsletter | March 1986 | |
| Technical Comments Relating to the Sinclair ZX81 and the TS1000 Computers and External 16K RAMs | Sincus News | January 1985 | |
| That Zero Line Again On reading the last Issue of Computerchat, I became Interested in the different methods used to create line 0s In... | D. Spencer | LISTing Newsletter | September 1989 |
| The Anatomy of a Program Line Program listings on the ZX/TS computers are available on command. With either LIST or LLIST, the program in the machine... | SYNC | March/April 1984 | |
| The Backplane Map: Spectrum vs 2068 The following will give you some idea of the differences between the Spectrum expansion bus and the 2068’s. This information... | Mark Fisher | CATS Newsletter | January - February 1985 |
| The Continuing Saga of 64 Columns Analysis of Carole Corcoran’s code from the technical manual. | Triangle Sinclair Users Group | May, June, July 1984 | |
| The Function Dispatcher Introduction to the function dispatcher, comparison to dispatcher in MS DOS. | Sinc-Link | September/October 1986 | |
| The Keyboard Scanning Ports of the TS-2068 Reprinted from CTM, March/April 1985 Some time ago when first attempting to translate a “SPECTRUM” program for operation in the... | W. Fred Clabuesch | The Data Expansion | September 1987 |
| The Logic Operator, NOT For many of us, computer logic is a bit difficult to understand, and articles like the one reputed to be... | Warren Fricke | LISTing Newsletter | January 1991 |
| The Mystery of the Missing 253 Introduction When Timex released its Technical Manual for the TS2068, we learned how to add memory to and switch between... | Wes Brzozowski | Time Designs Magazine | July/August 1986 |
| The Mystery of the Missing 253, Part Four We stopped last time in mid-description. It seems our Good Editor has such a wealth of excellent contributions last issue... | Wes Brzozowski | Time Designs Magazine | January/February 1987 |
| The Mystery of the Missing 253, Part Three A Hearty Thank You The heading really says it all. I’ve been quite pleased and encouraged by your response to... | Wes Brzozowski | Time Designs Magazine | November/December 1986 |
| The Mystery of the Missing 253: Conclusion Where We’ve Been It’s been wonderful to see how much interest there still is toward TS2068 bank switching. Now it’s... | Wes Brzozowski | Time Designs Magazine | March/April 1987 |
| The Timex/Sinclair User’s Encyclopedia | The Plotter | ||
| The ZX80 Keyboard Technical description of the keyboard, schematic of the associated circuitry and machine language code for accessing the keyboard. | SYNC | May/June 1981 | |
| The ZX80 Keyboard | LISTing Newsletter | July - August 1994 | |
| Timex Logic, Part 1 This series of articles is called Timex Logic rather than computer logic because not all computers treat and/or use logic... | Warren Fricke | LISTing Newsletter | January 1991 |
| Timex Logic, Part 1 | Sincus News | May - June 1990 | |
| Timex Logic, Part 1 | LISTing Newsletter | Summer 1990 | |
| Timex Logic, Part 2 | LISTing Newsletter | September 1990 | |
| Timex Logic, Part 2 In the preceding chapter we learned that logic is number oriented, and that conditions which are TRUE are replaced by... | Warren Fricke | LISTing Newsletter | January 1991 |
| Timex Logic, Part 3 It has been said here before that the computer is a number oriented machine. Every thing that it does, it... | Warren Fricke | LISTing Newsletter | January 1991 |
| Timex Logic, Part 3 | LISTing Newsletter | December 1990 | |
| Timex Logic: The Logic Operator NOT | Sinc-Link | July/August 1991 | |
| Timex Releases 2068 Manual Just at press time, Timex began to deliver copies of its comprehensive technical manual for the 2068 computers. Every owner... | Syntax | May 1984 | |
| Timex Sinclair – ZX Spectrum ROM Routine Look-Up Table | ZXir QLive Alive! | Winter 2000 | |
| Timex Tech Manuals Shipped Timex shipped its initial stock of photocopied 2068 Tech Manuals and has orders for its scheduled print run. | Syntax | August 1984 | |
| Timex Technical Data: Connector Signal Layout | Update Magazine | January 1988 | |
| Timex Technical Data: TS-2068 Schematic | Update Magazine | January 1988 | |
| Timex Technical Data: TS2068 PC Board Component Layout | Update Magazine | January 1988 | |
| Timex Tipbits This is part of a program submitted by Joan Kealy, a member of ISTUG. The entire programs are part of... | Joan Kealy | ISTUG Newsletter | November 1988 |
| Timex/Sinclair Bus Connections and Equivalents | ISTUG Newsletter | March - April 1992 | |
| Timex/Sinclair Timing | LISTing Newsletter | April 1995 | |
| Tips on ZX81/TS1000 Computer Repair Troubleshooting tips for fixing TS1000 problems. | Update Magazine | January 1993 | |
| To Open (and Close) Sinclair ZX-81 and Timex 1000 Computers | LISTing Newsletter | December 1983 - January 1984 | |
| Trace Key in this short listing to trace the variables in your program. Place it in front of your program and... | SLUG Newsletter | August 1987 | |
| Trace Routine This utility when MERGED with a BASIC program will list the flow of the program. If you want to see... | SLUG Newsletter | July 1987 | |
| Trace: Find Strings So you have tried to sort out variables in a long program to determine what the author is doing and... | Dick Wagner | The Plotter | February 1988 |
| TS 1000 Notes | ZX-Appeal | Summer 1987 | |
| TS 1000 Schematic Diagram | VISTA Newsletter | ||
| TS 1500 Innovations | Sincus News | February 1984 | |
| TS 2020 Schematic | LISTing Newsletter | April 1985 | |
| TS 2020 Schematic | LISTing Newsletter | May 1994 | |
| TS 2040 Printer Schematic | VISTA Newsletter | ||
| TS 2040 Printer Schematic | LISTing Newsletter | July - September 1986 | |
| TS 2040 Printer Schematic | LISTing Newsletter | May 1994 | |
| TS 2068 Bank Switching, Part 2 | LISTing Newsletter | April 1986 | |
| TS 2068 HOME ROM Bypass | ISTUG Newsletter | November 1988 | |
| TS 2068 POKEs | LISTing Newsletter | October 1984 | |
| TS 2068 Programming Tip | Sinc-Link | January/February 1993 | |
| TS 2068 ROM Disassembly | Sincus News | March - April 1987 | |
| TS 2068 Schematic | LISTing Newsletter | May 1994 | |
| TS 2068 Schematic | LISTing Newsletter | December 1990 | |
| TS 2068 Standard Memory Configuration Memory map diagrams from the technical manual. | Update Magazine | October 1987 | |
| TS 2068, Spectrum, ZX-81 Edge Connector signal allocation | LISTing Newsletter | October 1984 | |
| TS-1000 Notes and Tips | LISTing Newsletter | November 1992 | |
| TS-2068 Suppliers | Update Magazine | January 1988 | |
| TS1000(ZX81)/Spectrum/TS2068 Edge Connector Pinouts | ZX-Appeal | June 1987 | |
| TS1000/ZX81 Schematic | LISTing Newsletter | April 1994 | |
| TS1500 and 16K RAM Pack | Sincus News | August 1984 | |
| TS1500 Schematic | LISTing Newsletter | April 1994 | |
| TS2000 System Schematic | SUM | September 1984 | |
| TS2068 Back-Plane Expansion System Standard | Timelinez | February 1990 | |
| TS2068 Connector Pinouts This information, from TIMEX Technical Memo #6, is supplied by TIMEX for publication by SYNTAX. | Syntax | January 1984 | |
| TS2068 Home RAM Map | ISTUG Newsletter | September - October 1993 | |
| TS2068 HOME ROM Bypass | LISTing Newsletter | January 1989 | |
| TS2068 Ins and Outs | Timelinez | September 1987 | |
| TS2068 Ins and Outs In developing an analog joystick using the ZIP compiler, 1 found that the routine included in the instructions for reading... | CATS Newsletter | August 1987 | |
| TS2068 Joystick Operation The two joysticks are controlled via Register 14 (I/O Port A) of the Programmable Sound Generator Chip (see Sections 2.1.6... | LISTing Newsletter | September 1992 | |
| TS2068 Keyboard Scanning | LISTing Newsletter | October 1992 | |
| TS2068 Keyboard Scanning Most programs require user interaction through the keyboard, and use the INPUT or INKEYS functions to do this job. This... | Mike Morris | LISTing Newsletter | April 1985 |
| TS2068 Personal Computer Technical Reference Manual If you need to know about how the CPU, ROM, RAM, sound chip, joysticks, keyboard, display hardware, cassette ports, or... | Syntax | June 1984 | |
| TS2068 Port Assignments Timex provided SYNTAX with the following chart, referred to on page 214 of your 2068 manual. This chart is what... | Syntax | January 1984 | |
| TS2068 Power Supply Information from QZX Overview of the AC adaptor and internal voltage regulation. | Update Magazine | January 1993 | |
| TS2068 ROM Disassembly | Sincus News | November - December 1987 | |
| TS2068 ROM Disassembly | Sincus News | May - June 1987 | |
| TS2068 ROM Disassembly | Sincus News | July - August 1987 | |
| TS2068 ROM Entry Points Indexed Alphabetically | Sincus News | September - October 1989 | |
| TS2068 ROM Entry Points Indexed By Address | Sincus News | January - February 1990 | |
| TS2068 Tips If you have a program in which does a lot of printing to the screen but at certain times you... | Bill Johnson | SMUG Bytes | September 1989 |
| TS2068 Tips The enclosed hardcopy of my dilemma is rather self explanatory, however just to clarify. Line 10: I want “capacitance” to... | Bill Johnson | QuarTerS | Summer 1985 |
| TS2068/TC2068 SCLD Pinout | CATS Newsletter | Sep 1986 | |
| Two Tips: Colors, VAL$ First the Colors I modified Paul Banisik’s “Second display file initialization routine” from the April RAMTOP (1985), and incorporated it... | Gabe Schaffer | The RAMTOP | December 1985 |
| Understanding Baud Rates | Nite-Times News | April 1987 | |
| Understanding Floating-point Arithmetic, Part 2 Describes the workings on the ‘third language’ of the 8K ROM – the CALCULATOR LANGUAGE – that is used to... | SYNC | March/April 1982 | |
| Understanding Floating-point Arithmetic, Part 3 In this article on floating-point arithmetic, we will consider the algorithms that are used in the 8K ROM program to... | SYNC | July/August 1982 | |
| Understanding Floating-point Arithmetic: Part 1 The aim of this article is to give the reader some insight into the complex world of floating-point arithmetic. Since... | SYNC | January/February 1982 | |
| Updates After I write the first draft of an article, I go through it, mercilessly scratching out phrases, sentences, and even... | Wes Brzozowski | Sincus News | May - August 1985 |
| Useful ROM Routines in the TS 2068 Assembly routines that enable error reporting, character printing, beeping, screen manipulation, drawing, string handling, and numeric operations efficiently. | Sinc-Link | September/October 1986 | |
| Using the Larken Sequential/Random Filing System to Produce a TS2068 ROM Disassembly | Update Magazine | October 1991 | |
| Wafadrive Schematic | ISTUG Newsletter | February 1988 | |
| Westridge 2050 Modem Operations: A Reference Guide | Timelinez | August 1984 | |
| X-Modem | Sincus News | November - December 1986 | |
| Z80 Chip Organization and 64K Memory Diagram | CATS Newsletter | July 1985 | |
| Z80 Command and OP Code Reference | Sinc-Link | ||
| ZX Interfaces Explained The ins and outs of Sinclair computers. Details are given for the Spectrum as well as the ZX81. | Electronics Today International | February 1983 | |
| ZX Memory Map Memory map as designed, where current peripherals fit in the map and suggestions about standardization. | SQ Syntax Quarterly | Winter 1982 | |
| ZX Spectrum Tape File Format | LISTing Newsletter | May 1997 | |
| ZX-80 Schematic | LISTing Newsletter | April 1994 | |
| ZX-81 POKEs & Calls | ZXir QLive Alive! | Spring 1994 | |
| ZX-81 Pokes & Calls | LISTing Newsletter | December 1990 | |
| ZX/81 Schematic | CATS Newsletter | December 1985 | |
| ZX/81/TS 1000 Technical-ities | LISTing Newsletter | November 1984 | |
| ZX/TS Power Supplies Table of details about and schematics of the ZX80, ZX81 and TS1000 power supplies. | SQ Syntax Quarterly | Winter 1982 | |
| ZX/TS Subset of 2068 Pins Aligned with the slot, you will find the pins correspond exactly to the ZX/TS pinout with three exceptions. RAM CS,... | Syntax | December 1983 | |
| ZX80 and MicroAce Bus Pinout | Syntax | December 1980 | |
| ZX81 Address Decoder | ZX-Appeal | September 1988 | |
| ZX81 Graphics Template | LISTing Newsletter | October 1993 | |
| ZX81 I/O Map Details about using IN and OUT on the ZX81. | ZX-Appeal | October 1985 | |
| ZX81 Logic Signals Reference signal levels for troubleshooting. | Syntax | October 1982 | |
| ZX81 Schematic | SQ Syntax Quarterly | Winter 1982 | |
| ZX81 Schematic | LISTing Newsletter | November 1985 | |
| ZX81/TS1000 Circuit board Photos of top and bottom of circuit board showing component placement. | SQ Syntax Quarterly | Winter 1982 | |
| ZX81/TS1000 Tips | Sincus News | July - August 1990 | |
| ZX81/TS1000 Tips | Sincus News | November - December 1989 | |
| ZX81/TS1000 Tips | Sincus News | July - August 1989 | |
| ZX81/TS1000 Tips | Timelinez | August 1985 | |
| ZX81/TS1000 Tips | Sincus News | November - December 1988 | |
| ZX81/TS1000 Tips | Sincus News | January - February 1990 | |
| ZX81/TS1000 Tips | Sincus News | September - October 1988 | |
| ZX81/TS1000 Tips | Sincus News | January - February 1988 | |
| ZX81/TS1000 Tips | Sincus News | March - April 1988 | |
| ZX81/TS1000 Tips | Sincus News | July - August 1988 | |
| ZX81/TS1000 Tips | Sincus News | May - June 1988 |