| 16K RAM Pack Schematic |
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Sinclair ZX81 |
| A Program to Index Articles |
Program lets you index and instantly find articles from your favorite publications by name, category, volume, issue and page. |
Sinclair ZX81 |
| At Your Fingertips |
Review of KOPAK Creations’ Touch-A-Matic. |
Timex/Sinclair 1000 |
| Beginners' Basic: Getting Information into Your Computer |
Introduction to variables. |
Sinclair ZX81 |
| Build Your Own EPROM Programmer and Centronics Printer Interface - Part I |
Multi-part article series. |
Timex/Sinclair 1000 |
| Checkmate |
Review of ZXCHESS from Gladstone Electronics. |
Timex/Sinclair 1000 |
| Fantasy Island |
Review of Psion’s Fantasy Games. |
Timex/Sinclair 1000 |
| Hi Res Solution |
Review of Memotech’s Hi-Res Graphics module. |
Timex/Sinclair 1000 |
| Hot Stuff |
Review of SinWare’s HOT Z. |
Timex/Sinclair 1000 |
| Improved Super Monzxer Game |
Improvements to Super Monzxer, which originally appeared in the November 1981 issue of Syntax. |
Sinclair ZX81 |
| Keyboard Conversions for ZX/TS |
Overview and how-to attach a full-size keyboard to a ZX81 or TS1000. |
Timex/Sinclair 1000 |
| MC Programs - Where and How to Load Them |
Tutorial on machine language and tools for loading machine language programs. |
Timex/Sinclair 1000 |
| Memory with a Memory |
Review of the Hunter 8K non-volatile RAM board. |
Timex/Sinclair 1000 |
| Personal Data Bank |
Review of Psion’s VU-FILE. |
Timex/Sinclair 1000 |
| Syntactic Sum with Variables |
Modified version of Syntactic Sum to check variables in memory as well as program. |
Sinclair ZX81 |
| Using Extra Keys on Big Keyboard - A Simpler Approach |
Connections to map a single key to replace two keystrokes. |
Timex/Sinclair 1000 |
| ZX Memory Map |
Memory map as designed, where current peripherals fit in the map and suggestions about standardization. |
Timex/Sinclair 1000 |
| ZX/TS Directory Program |
Telephone directory program; stores up to 90 names, addresses and telephone numbers. |
Timex/Sinclair 1000 |
| ZX/TS Power Supplies |
Table of details about and schematics of the ZX80, ZX81 and TS1000 power supplies. |
Sinclair ZX80, Sinclair ZX81, Timex/Sinclair 1000 |
| ZX/TS University |
Review of several learning programs from Sinclair Research. |
Timex/Sinclair 1000 |
| ZX80 Circuit Diagram |
Schematic of the ZX80. |
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| ZX81 Schematic |
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Sinclair ZX81 |
| ZX81/TS1000 Circuit board |
Photos of top and bottom of circuit board showing component placement. |
Timex/Sinclair 1000 |
