SYNC Special Issue 1982
Date: Special Issue 1982
See all issues of SYNC

Articles
| Title | Description | Computers |
|---|---|---|
| An Introduction to Machine Code | How to start using machine code on the ZX80/81. | Sinclair ZX80, Sinclair ZX81 |
| An Inventory System | Program to demonstrate a database on the ZX81. | |
| Expression Evaluators at Work | Reprint of the article from the first Kitchen Sync column. | Sinclair ZX80 |
| Perceptions: Syncsums | Short program to provide checksums to users as they type in programs, to ensure they've been entered correctly. | Sinclair ZX81, Type-in program |
| Setting Up Bar Charts | This program listed works with 1K to chart two years of monthly checking account balances with vertical bars. The graph is set up for a range of $0 to $1500, but can be modified for other ranges with a few changes and some trial-and-error experimentation. | Sinclair ZX80, Type-in program |
| Sync Notes | Introduction to special issue, describing regular content of the magazine. Includes instructions for potential authors. | |
| The "QS Sound Board" for the ZX80/81 | Play tunes in three-part harmony on your ZX80 or ZX81! Based on the extremely versatile AY-3-8910 sound generator chip, the QS Sound Board features complete software control of the frequency and amplitude of three independent output channels as well as an envelope shaper and noise channel. | Sinclair ZX80, Sinclair ZX81 |
| Try This | Short program. | Sinclair ZX81, Type-in program |
| Using Key and Token Expressions | Keywords as well as tokens could be typed into program lines in full — spaces and all— with practically a single keystroke. | Sinclair ZX80, Type-in program |
| Window | Since the ZX81 uses the powerful Z80 microprocessor, it is a good system for which to write machine code programs. In the past months while writing many programs, I have found that there is one feature lacking on the system: a machine language monitor. | Sinclair ZX81, Type-in program |
Advertisers
- Softsync, Inc.
- Harvard Group, The
- Burnett Electronics
- Byte-Back Co
- Melbourne House Publishers
- Mindware, Inc.
- Gladstone Electronics
- Redditch Electronics
- PM Enterprises
- U.S. National ZX User's Group
- Hewson Consultants
- Double H Electronics
- Time Data
- Ultimate Software
- Reston Publishing Company
- RKL Systems
- William Don Maples
- Systems and Solutions, Ltd.
- Lamo-Lem
- D. Bruce Electronics
- L.J.H. Enterprises
- JRS Software
- Bridge Software
- Quicksilva
- Crown Computers
- Rose Cassettes