Syntax/Syntax ZX80 v3 n12

Volume: 3

Issue: 12

Articles

Printer with Mini-InterfaceTS 1000
CAI has introduced a stand-alone printer with a mini-interface for the ZX/TS computer. It works only with 16K and is $139.95.
Syntax Quarterly Debuts
Syntax Quarterly debuted at the Northeast Computer Show, Boston, in Nov. SQ offers in-depth hardware and application stories, reviews and programming techniques. Several other distributors and manufacturers of Timex Sinclair computer products exhibited.
Gladstone Electronics Announces New ProductsTS 1000
ZXFORTH, Fast Load program, Speech Pack.
New Products and Services (Syntax v3 n12)
New products from Matthew Zenkar, G. Russell Electronics, MicroSync Services, Stephen Adams, E. Alvarez, Norris Electronics, Gladstone, Kopak, M.C. Hoffman, Stuart Software, Dale Lipinksi, TSG Enterprises, QZX Newsletter, Intercomputer, Lamo-Lem, JACYN Electronics.
SuperpositionTS 1000 Type-in program
Program models superposition by graphing two sinusoids, waves of constant wavelength and amplitude, and their combination.
Editing Hints for Print LinesTS 1000 Type-in program
Technique for creating many lines with PRINT statements.
Users' Groups
Syntax ErrorsTS 1000 Type-in program
Corrections to Monthly Calendar Program, Black Box, and Hex Math.
Poke: Small Change for Machine Language PokersTS 1000 Type-in program
Short “monitor” program.
Experiments in Artificial IntelligenceTS 1000 Book review
Review of the book by John Krutch.
3D Monster MazeTS 1000 Software review
Review of the game published by Melbourne House.
Hardware Review: Buffered Buss/Development Board "Expansion Board"TS 1000 Hardware review
Computer Continuum’s buffered expansion board kit is a buffered backplane, providing four 44-pin edge card connectors with the same pinout as Sinclair’s except the slot.
Taming OutputTS 1000 Type-in program
Techniques for formatting numeric output.
MC Programming #12: Calling and ReturningTS 1000 Tutorial
Tutorial on machine language programming.
Dear Editor
Question about noise during save; keyboard replacement; COBOL for ZX/TS; saving; internal RAM; overheating; loose connector problems.
Merry ChristmasTS 1000 Type-in program
Display a Christmas message.
Home Energy AnalysisTS 1000 Type-in program
Takes into account the effectiveness of both heating and cooling systems and other factors affecting energy usage in your home.
M-16 Memory ModuleTS 1000 Hardware review
Review of the RAM pack.
ZX81 CalculatorZX81 TS 1000 Type-in program
Use the Sinclair’s expression evaluator to make a calculator.
EPROMS: What they are, what they do
Description of the chips.
Program Improvements/RefinementsTS 1000 Type-in program
Comment on Math Execution Time.
Ian Logan Wins First Annual Rosetta Stone
Timex to Market SR Products in North America
Sinclair just announced a license with Timex to manufacture and retail Sinclair computers, peripherals and software via Timex outlets in N. America.
64K RAM Available Mid-MarchZX81
Authorized Sinclair Repair Services
MicroSync will take over Sinclair’s repair work for ZX80s and ZX81s.
Syntax ErrorZX80 Type-in program
Correction to 4K Phone Number Word Generator.
Program ImprovementsZX80 ZX81 Type-in program
Corrections to 8K Digital Clock, Hexadecimal Math and 4K Blackjack.
Defensive AwariZX81 Type-in program
Improvements to author’s program.
Educational Software VendorZX80 ZX81
Edson Electronics offers educational programs for ZX80/81.
Translating Programs: On ... Go ToZX81 Tutorial
Techniques for translating programs from other BASICs.
Technical Details for ZX Printing
Discusses how the ZX printer works.
Hardware HintsZX81
Techniques for preventing overheating, memory loss.
Numbers Held Inexactly on the ZX81ZX81 Reference
First in a series of articles on numerical errors in the 8K ROM.
Income TaxTS 1000 Type-in program
Program to help prepare a tax return.
Video ArtistTS 1000 Type-in program
Another $100 MisunderstandingZX81
Tips for constructing the ZX81 kit.
Dear EditorZX80 MicroAce ZX81
How to make a program unlistable; program for linear regression; painting heatsinks; FORTH; problems with 8K ROM/keyboard upgrade for ZX80; MicroAce flicker-free kit; large keyboard; edge connector cleaner.
4K/8K ROM SwitchZX80 Hardware review
Review of the ROM switch kit from Marex Electronics.
Video-Plan, ComputacalcTS 1000 Software review
Review of two spreadsheet programs.
The Flags RegisterZX81 TS 2068 Tutorial
Part 3 of series on machine code programming.
Curing 16K RAM Random DumpingZX81 Hardware project
Suggestions for eliminating RAM pack wobble.
Flashing Prompts SubroutineZX81 Type-in program
Machine Language Programming Made Simple for Your Sinclair ZX80 and ZX81ZX80 ZX81 Book review