ZX Computings - OpenLibra

ZX Computing
Vo). One
Number Two
Aug/Sept 1982
Editor: Tim Hartnell.
Editorial Assistant: Kathryn McFarland.
Advertising Manager: Neil Johnson
Managing Editor: Ron Harris.
Managing Director: T J Connell.
Origination and design by MM Design ft Print,
145 Charing Cross Road, London WC2H OEE.
Published by Argus Specialist Publications Ltd,
145 Charing Cross Road, London WC2H OEE.
CONTENTS
A reader speaks out against Sinclair's
Spectrum launch, another helps zap a
bug, and Sheppy has a new users' club.
Newsbeat 12
AH the latest news that's fit to print. . .
and morel Read all about the Spectrum
launch, the new software, and the latest
Club Roundup.
xylenium Search 18
Here's a big 1 6K ZX81 program full of
challenges and promises of intergalatic
riches.
Hardware Review ...22
Keen on keyboards? Several top products
reviewed here.
Spectral Hangman . . .25
String manipulation and a Spectrum will
help keep you from swinging in the
gallows.
Delving Deeper 28
Programs on elementary number theory
for the ZX81 - plus Frank O'Hara's big
number story.
GOSUBHunt 33
'Shoot the sub' with this program for the
Spectrum (or 1 6K ZX81) marksman.
Keeping Tabs 36
A few useful 16K utility programs, one
of which may improve your social life!
D0t-Dash-D0t 38
Morse code made easy with the help of
your 16K ZX81 for a new level of computer
communications.
ZX BASIC Steps 40
Mark Charlton shows you how to master
ZX BASIC programming language as
easy as 1-2-31
The Plot Thickens 47
Trick your ZX computer's logic into providing
the useful IF. . .THEN. . .ELSE
functions, and make pretty pictures,
too.
Construction 48
Make life easier, programming breezier
— add a numeric key pad to your Sinclair
machine.
Pig Latin 51
Eha aswa oingga ota hinaca saa. Need
we say more about this 1K program for
the ZX81.
Breakout 52
Set yourself free with these two 16K
ZX81 programs. L. G. Scotford takes
machine code a step further.
Ram, sweet Ram 55
How does Sinclair's RAM pack compare
with others in the market? Which is the
best pack for money? RAM packs
reviewed here, including those from
Taurus, Memotech, Plessis and
Downsway.
Tangled web
Frazer Melton's program opens you up to
the intricately-patterned world of moving
particles, based on the discoveries of
a French physicist in the 1800's.
Software Review... .60
Phil Garratt discovers some "enterprising"
new versions of 'Startrek' when he
r e v i e w s J K Greye's "Gamestape 1"
Seeking and Finding .64
Here are to splendid programs for the
first ZX computer, as part of the unofficial
ZX80 preservation movement.
1KDisassembler ....66
An invaluable Tirogramming aid for
machine code writers using 1K
machines, who don't see available 4K
(or so) versions practical.
32 ZX COMPUTING AUG/SEPT 1982 4
•