Compute!

Articles

  • 64K RAM for Timex/Sinclair
    Product announcement for Gladstone Electronics’ 64K RAM expansion.
  • A Brief Overview of the Chicago Consumer Electronics Show and National Computer Conference in Houston
    The Sinclair Spectrum was introduced in the US at the CES. TIMEX was actively promoting the $99.00 TIMEX/Sinclair computer.
  • A Timex/Sinclair Tip
    A short program to find program lines in memory and change the line number.
  • Add 64K To Timex/Sinclair
    Product announcement for Sunflower Systems’ 64K RAM pack.
  • BASIC Translation
    Letter to the editor from a 2068 user looking for software to type in.
  • Capute! ZX-81/TS-1000 Data Management
    Correction to ZX-81/TS-1000 Data Management program that appeared in the March 1983 issue of Compute!
  • Computer Diet for T/S
    Product announcement for Personal Weight Control Program, a computerized diet and nutrition program from International Publishing & Software.
  • Computer Literacy And The Three R's On The Sinclair/Timex
    Three programs for teaching math and spelling skills.
  • Computer Literacy On The Timex/Sinclair
    Correction to earlier article.
  • Computers and Society
    Among the several new computers introduced at the June CES, one of the most interesting entries was the Sinclair ZX-80. This Z-80-based computer (which weighs only slightly more than its instruction manual (320 g vs. 250 g)) contains a full typewriter-like keyboard (membrane type), 1 KB of RAM and a 4 KB BASIC.
  • Computers and Society
    The new Sinclair computer is called the ZX Spectrum – a color computer with 16 or 48K of RAM. This computer is already being sold in the UK for under $350.
  • Fortress of Adnil
    Correction to an earlier article.
  • Gamestape 1 For The Timex/Sinclair
    Review of Melbourne House’s Gamestape 1, a collection of 11 games for the 2K Timex/Sinclair.
  • Graphics and Programming Utilities For Sinclair/Timex
    Review of Programmers Toolkit and Graphics Kit from Softsync.
  • Graphics On The Sinclair/Timex
    This short guide to the graphics capabilities of the Sinclair/Timex computers demonstrates pattern creation, circles, conic sections, and bar graphs. To show how graphics can be used in games, there is “Asterbelt,” which will test your abilities as a spaceship pilot.
  • How COMPUTE! Readers Use Their Computers
    John Crum of Auburn, WA, started with a ZX-81. Peter Lobl, a tenth grader in Lindenhurst, NY, started with a ZX-80.
  • Keyboards For The Timex/Sinclair
    Product announcement for KOPAK Creations KOPAK Keyboard and E-Z Key 60.
  • Making Change
    This game is an excellent educational tool for children and is based on a previously published Compute! article. The author also include conversion tips for T/S users who want to translate programs originally written for other computers.
  • Mazogs for Sinclair/Timex
    Single-player treasure/maze game.
  • Meet Jim Butterfield
    “One of the most interesting phenomena could be Sinclair,” he says. “Sinclair has introduced a series of small, not very powerful, but remarkably inexpensive computers. While people who are used to the speed of, say, a PET or a VIC would find some of the existing Sinclair computers very slow, we can’t ignore the fact
  • Meteorites And Red Alert for Sinclair/Timex
    Review of two video games from Softsync, Inc.
  • Micro Math Educational Programs
    Product announcement for Micro Math.
  • Mothership For Timex/Sinclair
    Review of Softsync’s Mothership video game.
  • New Home Computers At The Winter Consumer Electronics Show
    More than a dozen new home/personal computers made their debuts at the recent Winter Consumer Electronics Show in Las Vegas. This four-day extravaganza seemed to fulfill many of the predictions of a home computer revolution we’ve been hearing for the past several years. The T/S 2000 is mentioned on page 34, along with the printer.
  • Paycheck Analysis
    This short program analyzes your paycheck for accuracy and lets you predict future take-home pay so you can budget accordingly. Also included is a variable table for easy and personalized modification.
  • Player ZX81: A Tune-Playing Program For The Sinclair/Timex
    Review of Player ZX81 from Wm. Maples.
  • Program Conversions With Sinclair BASIC and TI BASIC
    Program conversion between BASIC dialects is often easier than imagined. This tutorial demonstrates the compatibility of TI BASIC and Sinclair BASIC and includes helpful tables and sample conversion programs.
  • Recorder Interface for Sinclair/Timex
    Product announcement for Z-DUBBER from Bytesize Computer Products.
  • Relational Operators
    Relational operators can make your BASIC programs more efficient. Here are some techniques which use relational operators on the Commodore, Atari, TI, Apple, IBM PC and PCjr, Color Computer, and Timex/Sinclair machines.
  • Resource Guide For Timex/Sinclair Users
    Product announcement for The Watchmakers Guidebook to the Timex/Sinclair Computers. Lists 120 software suppliers, 50 hardware suppliers and 20 ancillary suppliers. Also contains directories of user groups and Timex/Sinclair specific magazines and books.
  • Sinclair ZX Spectrum
    Like its predecessors, the ZX-80/81 microcomputers, the new ZX Spectrum appears to be yet another price breakthrough for Sinclair Research and founder Clive Sinclair. It offers features and memory capacity heretofore unavailable in machines costing up to $1,000 – yet it is selling for the equivalent of only about $200!
  • Sinclair/Timex Guess That Animal
    This article adapts a previously published Compute! program to the Sinclair ZX-81. It is also a brief tutorial on the special features of the ZX-81’s BASIC, showing how you can reload programs without losing data previously saved. The program requires 16K.
  • Sinclair/Timex Screen Splitter
    This short, clever technique allows you to put text on screen and then clear the screen below at will, leaving your messages intact.
  • Software Assortment For Timex/Sinclair
    Product announcement for Blackjack, Checkbook, Data Filer, Graphics Drawer, Phone Book, Pixel Drawer, Tic-Tac-Toe and Word Scramble from Dynacomp.
  • Software For Timex And Sinclair
    Product announcement for games from Software Development Associates.
  • Sound on the Sinclair/Timex
    Short machine language routine to play tones via the computer’s mic output.
  • Speech Synthesizer for Timex/Sinclair
    Product announcement for The Parrot from R.I.S.T.
  • Statistical Graphs For The Timex/Sinclair
    Product announcement for Graphpak from Practical Computer Products.
  • T/S Game In 3-D
    Product announcement for Mothership, an arcade-style space fighter game in 3-D.
  • T/S Text Editor, Input Utility
    Product announcement for The Screen Machine, a machine language utility that allows input anywhere on the screen and performs some data validation, and Vu-Write Text Editor, a menu-driven text editor. Both by Syncmaster.
  • Tax Return Programs For Sinclair/Timex
    Product announcement for Ksoft’s Tax Return Helper. Seven programs to help with Form 1040 and schedules A, B, C, C1/C2, D and E.
  • The Fall Computer Collection At The Summer Consumer Electronics Show
    Overview of computers shown at the 1983 Summer Consumer Electronics Show. Timex showed the 2048 (“48K RAM and 24K ROM”) and T/S 2024 (“24K RAM and 16K ROM”), this time in the Timex case, and the Timex/Sinclair 1500.
  • The Flight Simulator For The Timex/Sinclair
    Review of The Flight Simulator, available from Gladstone Electronics.
  • The Fortress of Adnil
    Adventure game for the Timex/Sinclair 1000.
  • The New Timex 2000
    Letter to the editor asking if T/S 1000 software and printer will work with T/S 2000.
  • The New Wave of Home Computers
    Summer CES. Sinclair showed Spectrum. Timex debuted 1000. Data-Assette showed its keyboard and ZX-99.
  • The New, Low-Cost Printers
    You no longer have to pay more for your printer than you did for your computer. There are now a number of good, low-cost printers that offer many of the features found in more expensive models. Includes Timex/Sinclair 2040 Thermal Printer.
  • The Timex/Sinclair 2040 Printer
    Review of the T/S 2040.
  • The Timex/Sinclair 2068
    Review of the 2068.
  • Timex Tutorial
    Product announcement for The Programming Kit I, a BASIC tutorial for Timex/Sinclair users, Family Pak, a set of five 2K programs, and Scyon’s Revenge, a deep-space combat game that includes 3-D simulation. All programs are from Timeworks.
  • Timex/Sinclair Compatibility Problem
    Letter about incompatibility between Sinclair ZX81, Memotech Memopak 32K RAM and Timex/Sinclair 2040 printer.
  • Timex/Sinclair Control Center
    Product announcement for the Timeworks Computer Control Center, a molded plastic tray that holds a T/S-1000, several cassettes, RAM pack and a 13-inch TV.
  • Timex/Sinclair Games
    Product announcement for four games from JPR Software: Megawurm, The Assassin, Orgs & Ogres and The Dark Empire.
  • Timex/Sinclair Guidebooks
    Product announcement for The Timex/Sinclair 1000 Basic Handbook, from Sybex, and How to Use the Timex/Sinclair, from dilithium Press.
  • Timex/Sinclair Making Change
    Correction to earlier article.
  • Timex/Sinclair Screenscrolls
    Addendum to screen scrolling program to let it work with 2K.
  • Timex/Sinclair Screenscrolls
    As anyone who has worked with a ZX-81 or TS-1000 knows, the scroll facility could be expanded and improved. It cuts down the display file, and screen POKEs (which are difficult at best) are made nearly impossible. This article provides the solution.
  • Timex/Sinclair Selections
    Product announcement for Tutor, List, Check, Index, Stock and Inven from D. Lipinski Software.
  • Timex/Sinclair Tape Loading Aid
    Product announcement for L-Monitor.
  • Traveling Timex
    Product announcement for Car Comp, a “rigid platform to which the computer and cassette recorder can be attached.” L&G Enterprises.
  • Update On Sinclair/Timex Sound
    Suggestions for making sound on the ZX-81, a comparison of the ZX-81 vs TS-1000, improving usability of the 16K RAM pack.
  • Weather Forecaster
    This program enables you to make quite accurate local weather predictions.
  • Zones of Unpredictability, Part 2
    Use of the RND command. Specific instructions for TS-1000 included.
  • ZX-81 Home Computer Package for Sinclair/Timex
    Sampler of four programs, all run in 1K. Etch-A-Screen, Music Composer, Checkbook Balancer, and Billboard by LAMO-LEM Laboratories.
  • ZX-81 Software
    Product announcement of Math Drill, Golf and Towers of Hanoi from RAK Electronics.
  • ZX-81/TS-1000 Data Management
    The user of the Timex-Sinclair computer can store and work with data files, even though some commands for handling data are missing. This program can be easily adapted for other kinds of data management, too.
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