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Articles
- [Bug Corrections]
- $99! Computer
- $99.95 Timex Sinclair 1000 microcomputer debuts
- 16K RAM Pack Schematic
- 16K RAM Pack Schematic Corrections
- 16K RAM power
- 16K Sinclair/Timex Computer for $150
- 2K Conversion with 6116s
- 3D Monster Maze
- 4K/1K Blackjack
- 4K/8K ROM Switch
- 4K/8K ROMs in One ZX-80
- 6 Shooter
- 64K RAM Available Mid-March
- 6K RAM Addition
- 8K Memory PEEK
- 8K ROM Updates
- 8K/16K Owners
- 8K/1K Slot Machine
- A $100 Home Computer
- A Brief Overview of the Chicago Consumer Electronics Show and National Computer Conference in Houston
- A Keyboard Learning Game
- A Machine Code Graphics Line Drawing Subroutine
- A Mouthful for Every Occasion
- A Novice Builds the Sinclair ZX81
- A Package From England, or, How I got a real ZX Printer
- A piece of cake in Dundee
- A Presidential Message
- A Program to Index Articles
- A Report on the Spectrum
- Add a Full-Sized Keyboard to Sinclair's ZX80
- Add Direct Video Output to Sinclair ZX81
- Adding a Joystick to Your ZX81
- Address and Phone Book
- Adventure A
- Agenda
- Alien Treasure
- An Alternative Display Method - Tank Battle
- An inexpensive computer and interface for research in the behavioral sciences
- An Introduction to Expression Evaluation
- An Introduction to Machine Code
- An Inventory System
- Announcement
- Annuity
- Another $100 Misunderstanding
- Arithmetic Series Quiz
- Arithmetic with a Smile
- Artificial Intelligence for the ZX-81
- ASCII Program for ZX/TS Computer
- At Your Fingertips
- Attention Readers: You Can Review Products for SYNC!
- Attention TS1000 Owners
- Authorized Sinclair Repair Services
- Awari
- Bar Chart
- Basic Computer Programs for Business, Vol. 1
- BASIC Fun: A Kids Guide to BASIC Programming
- BASICare Offers ZX81 Megabyte Memory Decoding
- Battleship Solitaire
- Beginner's Basic -- INKEY$ Function
- Beginners' Basic: Getting Information into Your Computer
- Beginners' ML -- Register to Register
- Beginning Programming: ZX81 Math
- Betting is heavy - and we're not talking about Ascott
- Big ad campaign spurs sales of world's cheapest computer
- Binary Addition and Subtraction
- Binary Representation
- Blast Effects on ZX81
- Block Transfers: Horizontal Scrolling on your 1K ZX81
- Block Transfers: Variables Transfer (Part 2)
- BOLEX: Beginner's Ohm's Law EXercises
- Boolean Demonstration
- Break Out with This Sinclair Interface
- Breakeven Analysis
- Britain helps public schools buy micros
- Build Your Own EPROM Programmer and Centronics Printer Interface - Part I
- Building Heat Load
- Byte-Back Modem Shipments Delayed
- Bytesavers Hint
- CAI Instrument's Widget Board
- CAI Offers Computer Network Package
- Cardioid Plot
- Cassette Loading Problems
- CES Show in Chicago
- Character Reverse
- Charter Members
- Chase
- Checkmate
- Chess for the Sinclair
- Clarification of Bytes Remaining
- Clive Sinclair: 'creative electronics' visionary
- Clive Sinclair: British computer saga continues
- Color Computer From Sinclair
- Comet Crusher
- Companies That Support the ZX-80/81
- Computer controllers: Adapting the Sinclair ZX-80 for laboratory use
- Computer Hint
- Computer Keyboards Professional Keyboard Kit and Enclosure for ZX81
- Computers and Society
- Computers follow consumers home
- Computers in Schools [Editor Ramblings]
- Consumer Electronics Show wows Vegas
- Copter
- Crossing the Asteroid Belt
- Curing 16K RAM Random Dumping
- Curve-plotting Graphics
- Dan Ross - Timex
- Dear Editor
- Dear Editor
- Dear Editor
- Dear Editor
- Dear Editor
- Dear Editor
- Dear Editor
- Dear Editor
- Dear Editor
- Dear Editor
- Decimal Multiplication for the ZX-80
- Decimal-Hexadecimal Conversion Program
- DEF on the Sinclair
- Defective 8K ROMs
- Defensive Awari
- Degrees, Grads, and Radians
- Demand for ZX81 Outstrips Supply
- Developing a Memory Map Consensus
- Diagonal Lines
- Dice and Train
- Dice Roll
- DIM as Calculator Sum-to-Memory
- Double Your Memory
- Edge Connectors Available
- Editing Hints for Print Lines
- Editor Ramblings
- Editor Ramblings
- Editor Ramblings
- Editor Ramblings
- Editor Ramblings
- Editor Ramblings
- Editor Ramblings
- Education Workshop Series Expanded
- Educational Software Vendor
- Elimination
- Entrapment
- EPROMS: What they are, what they do
- Equational And/Or
- Etching Program
- Exchanging Registers, Part 6
- Expanding Existing 16K Programs
- Experiments in Artificial Intelligence
- Expression Evaluators at Work
- Fantasy Island
- Fifteen Puzzle
- Flashing Prompts Subroutine
- Flicker-free Four Times Normal Character Scrolling
- Floating-Point Calculator
- Galaxy Invaders
- Gate arrays eliminate TTL glue in high-volume product
- Getting Acquainted with Your ZX81
- Getting Loaded
- Gladstone Electronics Announces New Products
- Glitchoidz Report
- Glitchoidz Report
- Glitchoidz Report
- Glitchoidz Report
- Glitchoidz Report
- Grading Program
- Growth of Synchro-Sette [Editor Ramblings]
- Handling Strings from Another DIMension
- Hardware Helpers
- Hardware Hints
- Hardware Preview: RD8100 System
- Hardware Project
- Hardware Review: Buffered Buss/Development Board "Expansion Board"
- Hardware Tips
- Hardware Tips
- Hi Res Solution
- Highlights from the November Meeting
- Highlights from the October Meeting
- History: The Birth of Computers
- History: The First Lady of Computers
- Home Budget Review
- Home Energy Analysis
- Hot Stuff
- Hot-Z
- House of Horrors
- How COMPUTE! Readers Use Their Computers
- How I Made My Fullsize Keyboard
- How Many Blocks
- How to Invent a Game - Inside Flattop Lander (MCD)
- How to Invent a Game, Part 2
- How to Make Perfect Cassette Copies
- Ian Logan Wins First Annual Rosetta Stone
- IC Inventory
- Important Information for Cassette Use
- Improved Super Monzxer Game
- In Sync With Sinclair
- Income Tax
- Isolation
- Just For fun
- Just for Fun
- Just for Fun
- Just for Fun
- K-Mart Committing to Computers
- Keyboard Conversions for ZX/TS
- Keyboard/System Conversion: The First 40/1 Keys
- Kitchen Sync
- Kitchen Sync
- Kitchen Sync
- Large Letters for the 8K, 2K Machine
- Last Meeting Activities
- Least Squares Data Analysis with the ZX80/81
- Letters
- Letters
- Letters
- Letters
- Letters
- Letters
- Letters to the Editor
- Letters to the Editor
- Letters to the Editor
- Letters to the Editor
- Letters to the Editor
- Letters to the Editor
- Letters: More Memory for the ZX80
- Letters: The Sinclair ZX81
- Letters: Too good to be true?
- Line Print Utility
- Line Renumbering
- Linear Regression
- List Learning with the Sinclair
- Loading Hexadecimal Listings
- Loading Problems with ZX81 Kits
- Loading with Syntactic Sum
- Logic Chip Failure Symptoms
- London Microfair Show Guides Available Again
- Lowest Price Yet
- LSCROLL - For Spectacular Screen Displays
- Lunar Lander
- M-16 Memory Module
- Machine Code -- CP Branching Tests
- Machine Code Programming -- Understanding the Stack
- Machine Code Programming: #9, Testing Bits for Branching
- Machine Code Screen Fill
- Machine Language Programming Made Simple
- Machine Language Programming Made Simple for Your Sinclair ZX80 and ZX81
- Macronics Announces Floppy Disk Interface
- Maggie Bruzelius - Sinclair
- Maps and the ZX80/81
- Mass-marketing computers means shedding the jargon
- Math Function Execution Time
- Maximize Display File for MC
- Mazogs
- MC Programming #11: Storing MC Subroutines in REM
- MC Programming #12: Calling and Returning
- MC Programming #9: Jumping Around
- MC Programs - Where and How to Load Them
- MD-1 Direct-Connect Modem and RS-232 Port
- Meditations on a Hypotrochoid
- Meet Jim Butterfield
- Memory Decoding Above 16K
- Memory Expansion for the ZX-80
- Memory with a Memory
- Memotech 64K Memopak
- Merry Christmas
- Meteorites And Red Alert for Sinclair/Timex
- Micro Invaders
- MicroAce 8K ROM Replacements from Sinclair
- MicroAce Out of Business in US
- MicroAce Video Upgrade
- Microcomputing
- Microsync Speaks
- Monsters
- Monthly Calendar
- More Computer Muscle To Power The Machine
- More Hardware Hints
- Moving Billboard
- MULTIFILE -- A Data Storage System
- Need fast ZX80/ZX81 service?
- New 8K ROM Routine Addresses
- New Prices from CAI
- New Printer
- New Product Announcement
- New Product Announcement (Syntax v3 n6)
- New Product Announcements (Syntax v3 n5)
- New Products (Syntax v3 n11)
- New Products and Services (Syntax v3 n10)
- New Products and Services (Syntax v3 n12)
- New Products and Services (Syntax v3 n9)
- New Products Directory: Fantasy/Adventure Programs
- New Products Directory: Personal computer
- New Products Directory: Printer for Timex-Sinclair
- New Products: 64k-byte memory for ZX81
- New Products: Cassette-based software
- New Products: Portable Computer From Sinclair
- New Sinclair Computer
- New software announced for the Timex/Sinclair 1000
- New ZX81 Hardware/Software Vendor
- News, New Products and Services (Syntax v3 n6)
- Next from Sinclair: pocket-sized TV
- Nine Defenders Against the Aliens
- Nonauthorized ZX81 Sales and Service
- Notes on the ZX80 Display File
- Now: World's First $100 Personal Computer
- Nuclear Decay Simulation
- Numbers Held Inexactly on the ZX81
- Numbers Held Inexactly on the ZX81
- Numbers Held Inexactly on the ZX81, Part 4
- Of Interest
- Ohm's Law
- Organizational Meeting Held at Integral Urban House in Berkely
- Perceptions
- Perceptions
- Perceptions
- Perceptions
- Perceptions
- Perceptions: Syncsums
- Personal computers/calculators: New units do more and cost less; peripheral interfaces further extend their capabilities
- Personal Data Bank
- Phone Number Word Generator
- Pie Chart Graph and Display
- Player who can crack KRAKIT will win $20,000
- Plotting with 4K Basic
- Poke: Small Change for Machine Language Pokers
- Printer Review
- Printer with Mini-Interface
- Printing on the Bottom Line
- Printing Strings Faster
- Problem-Solving Circuits
- Program Blitz
- Program Improvements
- Program Improvements
- Program Improvements
- Program Improvements
- Program Improvements/Refinements
- Program Improvements/Refinements
- Program Improvements/Refinements
- Programmable Moving Display
- Programming Contest
- Publisher's Remarks: Computer Games Wear Thin
- Publisher's Remarks: Computer Games Wear Thin: When Will The Industry Grow Up?
- Publisher's Remarks: Stay-at-Home Micros
- Putting Forth on ZX80/81s
- QSAVE
- QSAVE Cuts Save/Load Time
- QUEST by Aardvark
- Quick Tape Loading and Saving by Mindware
- RAM Decoding for ZX81
- Random Pixel Plot
- Random Walks
- Removing ICs safely and cheaply
- Renumbering Basic Statements
- Repeat Key Option
- Report from the 3rd ZX Microfair
- Resources (Sync v2 n1)
- Resources (Sync v2 n2)
- Resources (Sync v2 n3)
- Resources (Sync v2 n4)
- Resources (Sync v2 n5)
- Resources (Sync v2 n6)
- Restart without Reload
- Review: Sinclair ZX81
- ROM Test
- Rosetta Stone Nominations Being Accepted
- Rounding Off with Conditional Tests
- Sad About Sinclair
- Safe Machine Code Routines
- Salary Scheduling Cost Computation
- Screen Background for Games
- Sea War
- Self Running Programs
- Setting Up Bar Charts
- Shifting Maze
- Short Program Routines
- Short Programs
- Short Programs: Happy Holidays; Dates, Past, Present & Future
- Significant Figures Subroutine
- Simulate READ, DATA for Strings
- Sinclair 8K ROM Problems?
- Sinclair Disassembler
- Sinclair Discontinues Tech Info Line
- Sinclair Does It Again!
- Sinclair donates $10,000 to BCS
- Sinclair Drops US ZX Prices as of 1 June
- Sinclair Expansion
- Sinclair Extensions
- Sinclair miss the bus
- Sinclair Research message spreads
- Sinclair UK Unveils New Computer
- Sinclair ZX Spectrum
- Sinclair ZX Spectrum
- Sinclair ZX Spectrum
- Sinclair ZX Spectrum Update
- Sinclair ZX-81
- Sinclair ZX81 - Toy or tool?
- Sinclair ZX81 Personal Computer
- Sinclair ZX81 ROM Disassembly Part A: 0000H-0F54H
- Sine Name
- Software Catalog: Darkstar
- Software for Graphic Plotting
- Software for Holiday Giving
- Software For Timex And Sinclair
- Software Received
- Software Review: ZX Galaxians
- Solar Program for Flat Plate Collectors
- Solving Implicit Functions on the ZX81
- Solving Simultaneous Equations
- Sources
- Space Invaders and Bomber
- Space Taxi
- Space Warp - A Graphics Space Game
- Spaces in REM Statements
- Spectrum Shown at London ZX Fair
- Spectrum Update
- Speed Up Your Programs
- Star Hunter
- Storing 3-Letter Words in an Array
- String Function Translation for 8K
- Study forecasts split in personal-computer market
- Superposition
- Surplus Keyboards Plus Directions
- Sync Notes
- Sync Notes
- Sync Notes
- Sync Notes
- Sync Notes
- Sync Notes
- Sync Notes
- Syntactic Sum Loader
- Syntactic Sum with Variables
- Syntax Error
- Syntax Errors
- Syntax Errors
- Syntax Errors
- Syntax Errors
- Syntax Errors
- Syntax Errors
- Syntax Errors
- Syntax Errors
- Syntax Errors
- Syntax Quarterly Debuts
- Syntax Quarterly Debuts Nov. 82
- Syntax ZX80 Updates Name
- Taming Output
- Tape Level Indicator
- Teach Kids to Count with the ZX81
- Teaching with the ZX81
- Technical Details for ZX Printing
- The "QS Sound Board" for the ZX80/81
- The Answer to Life, the Universe, and Everything
- The Complete Sinclair ZX81 Basic Couse
- The Computer Tutor: Converting String Variables to Numeric Variables and Back Again
- The Computer Tutor: Data Graphs
- The Computer Tutor: Dummy Screen Memory Map
- The Computer Tutor: Moving Graphics
- The Computer Tutor: Out of Sorts
- The Computer Tutor: READ, DATA & RESTORE
- The Computer Tutor: String Manipulation
- The Computer Tutor: Syntactic Sum
- The Computer Tutor: ZX-81 Word Processing
- The Crystal Ball
- The Expandable ZX80 and ZX81
- The Exploding Bookshelf
- The Flags of the 8K ROM Program
- The Flags Register
- The Game of Life Revisited - An Assembly Version
- The History of the Sinclair/Timex User Group
- The Incredible Cipher Machine
- The Man Behind the ZX81
- The New Wave of Home Computers
- The Quicksilva Programmable Character Generator
- The Sinclair ZX81 Programming for Real Applications
- The Sinclair ZX81: Small Review of a Small Computer
- The Tholean Web
- The Timex-Sinclair 1000 as a Low Cost Communicator.
- The Zedex Microfair
- The ZX-80 Versus the ZX-81
- The ZX80 as a Cipher Machine
- The ZX81: Upgraded Computing Power
- This Month's Cassette Programs
- This Month's Cassette Programs
- This Month's Cassette Programs
- This Month's Cassette Programs
- This Month's Programs
- Timex buys it up
- Timex is in computer field with under-$100 unit
- Timex modifies ZX-81 for U.S.
- Timex Printer and Modem Info
- Timex Sinclair 1000
- Timex Sinclair 1000
- Timex Sinclair 1000
- Timex to Market SR Products in North America
- Timex will market Sinclair computer
- Tioga Toads
- To Err is Human
- Translating BASICs -- What Won't Work
- Translating Programs: On ... Go To
- Travel Package to London ZX Show
- Try This
- Try This
- Try This
- Try This
- Try This
- Try This
- Try This
- Try This
- Trying out the new Sinclair Spectrum computer
- TS1000 Service Center and Computer Hotline
- TS1000 Test and Review
- Turkey
- Turtle Graphics
- TV Sync Solution
- Two Numbers in One Byte
- Two Problem-Solving Circuits: Preregulator and Battery Backup
- Two Switch Human Interface for the Communicative Impaired
- UK Products Listing
- Understanding Floating-point Arithmetic, Part 2
- Understanding Floating-point Arithmetic, Part 3
- Understanding Floating-point Arithmetic: Part 1
- Understanding Your ZX81 ROM
- Unit Pricer
- Upcoming Shows and Exhibitions
- Update: Sinclair to be sold by Timex
- User Report: Insight's 16K RAM Pack
- User's Groups
- User's Groups
- User's Groups
- User's Groups
- Users' Groups
- Users' Groups
- Users' Groups
- Users' Groups
- Users' Groups
- Users' Groups
- Users' Groups
- Using Extra Keys on Big Keyboard - A Simpler Approach
- Using Key and Token Expressions
- Video Artist
- Video Upgrade Kits for ZX80 in US Again
- Video-Plan, Computacalc
- View of VU-Calc
- VOTEM interface board
- VU-CALC
- WARP 81: Making a 4K Program Run in 8K
- Warranty and support from micro makers
- WH Smith Brings ZX-81s to the High Street
- What about the '81
- What's So Difficult About ZX-80 Machine Code?
- When Your Computer Gets Full
- Wherefore the DATA Statement
- Will the marketplace ruin itself?
- Will the Spectrum steal sales from the BBC Micro?
- Window
- Window
- Would You Like to Write for Synchro-Sette?
- Writing for SYNC
- You May Fire When Ready, Gridley!
- Your Own Computer: $100 to $500
- Your Timex/Sinclair Can Become a Terminal
- ZETAPAK #3, SciFi Fantasy
- ZX Destroyer
- ZX Memory Map
- ZX-81 taking off in the States
- ZX/TS Directory Program
- ZX/TS Power Supplies
- ZX/TS University
- ZX80 Circuit Diagram
- ZX80/ZX81 Stock Programs
- ZX81 Basic Book
- ZX81 Calculator
- ZX81 Chess vs. ZX Chess II
- ZX81 Games
- ZX81 Home Computer Package
- ZX81 Intro
- ZX81 Logic Signals
- ZX81 Memory Expansion
- ZX81 Schematic
- ZX81 Software
- ZX81 Utility
- ZX81/TS1000 Circuit board
- ZX99 Tape Control System
User Groups
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