Atari User Magazine Vol 1 Issue 09 by Paul Rixon

—

A Database Publication

NT‘MRU @g @ Vol.

January 1986

No.8

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BELFAST

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BERKS READING HMV Micro Shop. BERKS. READING

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POOLE Computer

Centres.

ESSEX COLCHESTER Calchesoer

Computer Centre. ESSEX COLCHESTER Capricorn

Computers.

ESSEX COLCHESTER Laskys.

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IIUMBERPSIDE HULL Golding Computer Services

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KENT BEXLEY HEATH Leskys

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MANCHESTER NGC Computershops.

KENT MAIDSTONE Kent Microcompuwm_ KENT MAIDSTONE Lukys. KENT ORPINGTON Lever compute“. KENT SEVENOAKS Chalk Hm Computers Of?ce

Supplies,

KENT SWANLEY SwmleyElectronics.

Shop.

KENT WELLLVG K,E_C,M,

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LANCS ACCRINGTON LANCS BLACKPOOL LewifsLtd (Sound & Vision). LANCS BOLTON CDmpuferWorld.

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Lukys.

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Centre.

Microchmce.

ESSEX SOUTHEND Estuary Computers. ESSEX WESTCLIFF-ON-SEA Sterling R95°W5«

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Mills Micro

Computablhty. HANTS PORTSMOUTH

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ESSEX ROMFORD Lsskys.

ESSEX SOUTHEND

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Laskys.

ELOUS lskys.

DARLINGTON Darlington Computer

MANCHESTER STOCKPORT

New

MEESEYSIDE LIVERPOOL LeWIs’s Ltd (Sound 5; VIsIon). GWENT EBBW VALE

Leskys.

co. DURHAM

GT.

FIFE

Donaghy Brothers. Visions

Ltd.

BELFAST

Microplus.

Ltd.

co.DOWN WARREN POINT

BELFAST

sum;

All Computers.

Micro Computer Centre.

BELFAST Computer

CHESHIRE WILMSLow Fairhurst InstrumentsLtd (3me WREXHAM Micro ComputerWnrld chyp WREXHAM

HobbyteLtd.

Education

ESSEX HARLOW Achter InstrumentsLtd. ESSEX HARLOW

Warrington

BEDS LUTON

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FEW

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Bytes And Pieces. LANCS DARWEN Grahams Micro Shop. LANCS LANCASTER Castle

Computers.

LANCS LANCASTER Ouline Computer Services.

LANCS OLDHAM Home

8: Business

Computers.

LANCS PRESTON Lasky‘s.

“ms

Systems.

LEICS LEICESTER Dimensicm CDmW‘mLEIcs LEICESTER Hi Fi

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LONDON W5 EALING Laskys.

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Master Ltd.

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costs only £652=k includlng dlSC dr1ve and black and Whlte mon1t0r. Why? Because at Atari we b nng up our p rod u CtS. to work hard for then- hmg. .

Thouglgthmssés. SHIR W.YO HUDDERSFELD Mjmwo?d. w. YORKSHIRE LEEDS

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All the latest developments in the expanding world of Atari computing.

21:4

This month's update on news from Britain 5 electronic mail servrce.

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Slnéplliy

MICI‘OL Ink

thedisplay

(013;*‘\§i\“go§¢\

?th‘i‘ée?i‘?i?iy

saw/snags January 1986 ,

Vol.

No. 9 .

Managing Editor: Derek Meakm n

FeaturesEditors."

=(‘ _

Cliff McKnight

Mike Bibby

Editorial Team: Alan McLachlan KM“ “mm

Technica/Edttor: ProductionEditor: LayoutDesign: News editor: Advertisement Manager:

AdvertisingSales: Editor in Chief:

Bibby Roland Waddilove .-

AndréWllIey

Peter Glover Heather Sheldrick Mike Cowley John Riding John Snowden Peter Bremeld

Editorial: 061 —456 8835 Administration: 061-456 8383 Advertising: 061 -456 8500

Prestel Mailbox:

Quoting

79:MAG001

Ref.

614568383

Code

4 w\\\ 9;

short series

wrmn machine code g ames ' vgith Alien Attack to keen YOU busy until next

?‘

month.

Subscriptions:

06143001173 Te'ecomTGeg: zgshggi‘?omep

Start of on

Machine

P‘ate

. ‘

we W While you're waiting for Atari to release their ST colour monitor, read Andre Willey 5 Views on a Sony offering.

Published by: Database Publications Ltd, Europa House, 68 Chester Road, Hazel Grove, Stockport SK7 5NY.

Subscription rates for 12 issues, post free:

£12 £15

£30

Education

Alan Goode describes some

Eurgpe Overseas (Airmail)

experiences

—

“Atari User" welcomes program listings and articles for publication. Material should be typed or computer—printed, and preferably double—spaced. Program listings should be accompanied by cassette tape or disc. Please enclose a stamped, self—addressed envelope, otherwise the return of material cannot be guaranteed. Contributions accepted for publication by Database Publications Ltd will be on an all-rights basis. c 1985 Database Publications Ltd. No material may be reproduced in whole or in part without written permission. While every care is taken, the publishers cannot be held legally responssble for any errors in articles, llstings or advertisements. "Atari User" is an independent publication andAtari Corp (UK) Ltd are not responsible for any of the articles in this issue orfor any ofthe opinions expressed News trade distribution: Europress Sales and Distribution Limited, 11 Brighton Road, Crawley, West Sussex RH 0 SAP. Tel: 0293 27053.

4 ATAR/ USER January 7986

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Help Mr Humpy rescue Esmerelda in th's Ata” verS'on Of the classrc game' .

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Atari

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answers.

This month we explain

Computer Show

Advance news of the the year for

all

est eve nt o f

Atari Ugegrs.

Atari

O u t p" t

David Goodyear provides a routine to dump Antic mode 14 screens to an Atari 1020 printer/plotter.

Software Brataccas for the ST, Mercenary, Spot the Ball, Elektraglide and Summer our mtrepld rewewers Games-keep th's month. busy

Utility

with

Illllaflge?'lisaingda e 8 an V ?etasure Y program. U

Mailbag

Five pages of letters. Of course we couldn't print them without your help.

Alan

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is in a retrospective mood this month as he focuses on two Scott Adams classics.

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M This month's Freebie for Atari User disc and tape purchasers is Scramble Fighter. You’ll need a clear eye and a steady hand or you'll never escape.

Game It might look like a simple game, but getting a micro to play well takes a little thought. Sol Guber shows you how it’s done.

Three pages of offers and one simple form on which you can order everything you need.

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Andrew Bennett peers round the two foot high stack of manuals to tell what it's like programming the ST in the C language.

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January 7986 ATARI USER

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At last, your computer can have an Epson printer. Even if it’s only supposed to be compatible with ‘own brand’ printers (like Atari). Our latest printer, the GX—80, has a revolutionary new interface called PIC (it means Printer Interface Cartridge and that’s it on the right). The cartridge slips into the back of the ~ GX—80 and enables the GX to understand commands from the host computer. 80 if you’ve ever wanted to have an Epson

printer for your micro but thought you couldn't, here it is. But first, read about the GX—80’s other cracking advantages .

553on 5“

‘

What happens when change computers? Gone are the days when you had to scrap a perfectly good printer just because it ‘didn’t go with’ your new computer. Once bought, your GX—80 stays put. (Epsons tend to stick around for ages anyway; now we’ve taken tradition a little further.) When the time comes to upgrade your computer, you simply go back to your Epson dealer and buy the corresponding new PIC. It’s a far sight cheaper than being forced to sell/scrap out your printer only to buy another one. And in effect it makes the GX—80 your printer for life. I

t C

S. .

t 0

" A

5°50"

printer for life? What’s the catch?

Sheer, unremitting boredom. The GX—80 takes all the fun out of printer ownership. You can’t shout, “Lousy printer! It’s fouled up again!” because it won't. lt’sjust as reliable as every other Epson. Nor can you gleefully ChUCk it merely because yOU'Ve PlC’s seen to that. changed computers But all is not lost. You could change your computer a bit more often. Just for fun. —

EPSON

Epson (UK) Ltd., Dorland House, 388 High Road, Wembley, Middlesex HA9 6UH. Telephone 01—902 8892.

“

________

‘

______________________________~___.___ f—WW—WMM'

I’m looking for the (BX-80 with

PIC.

Name *

permanent relationship too. Tell me the rest about

Posmon/Company _—__—_____

m.._—___ _—_—_...

*Please leave blank if inapplicable.

Tel No.

—___—

JAN

U.K. SOFTWARE Hacker (d) Bailblazer Fractalus Ker‘medyApproach

51- Software

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14.95

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9.95/1495 9.95/14.95 9.95/1495

StripPoker

Whirlinurds BATTERIES INCLUDED HomeRak

Paperclip................................

49-95 34-95

Zku|&West.....................-.........

29'95

SOFTLAW CORP. VIPProfessional HABBA/HIPPO CCompiIer

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37.95

Broadsides ColoniaIConquest CombatLeader Epidemic

33.95 37.95 34,95 29.95 37.95 29.95 37,95 33.95

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Blrmlngham B 8 HIIHIIIE as. (021) 328 3585 <

PLEASE NOTE ALL ORDERS TAKEN WITH EITHER PAYMENT OR DEPOSIT WILL NOT BE CLEARED UNTILFULL YOUR ORDER IS READY TO BE DESPATCHED.

’

MAJOR mail order company odadbad sth e" bth iii/NS inarAtlzri': degccision[10 sell its entire 800XL stock to

Dixons The bad news according to Steven Burke of Compumart—is that smaller ?rms will not be th the half t m bl to 000 of eal‘lM100 macc?tin‘ez arise them Dixons have to offer The good news- ”The iong term effect will be that with so many more Atari computers in UK households there will be a _

for

demand

tremendous

software and peripherals” In response to the machine's lower price Compumart is slashing the cost of some of its stock It has dropped the price of the Atari 1027 letter quality and printer by £100 to “45 bundled in a free Atari Writer word processor The com any is also offering the Atari 1%50 disc drive and box of 10 blank discs for £129 95 Similar boxes of 10 discs .will. cost under £10 ”And Compumart is already Ians for other u drawin

Atari

on money—gavisgpdeals

hardware” said Burke

’

'—

Acorn S “all I

good

was

news

ST buyers will now get three ST Writer a free programs rful word processor compowe patible With Atariwriter from Atari’s eight bit computer line, Neochrome, a preview version Of their colour art program, and Doodle, a monochrome sketching program. Not mentioned officially by Atari, but certainly one of the stars of the show, was a diSC they were demonstration —

a full with water

waterfall

colour

flowmg and Splashing, plus a montage of new hi—res pictures with a routine that would make a bird ?y across the screen so realistically that you would think it was a movie ?lm. Atari consider them a great selling aid so it will probably be only a few days before they are available in British computer stores. Big launch for Atari was a 20 mbyte hard disc system which will retail at $800. They arrived on the second day of the show and most of the software companies on the stand were using them within minutes and moved four days of error free high speed hard d'sc usage. The price of these units is a real breakthrough, and although they wouldnt give out a UK price, at £800 or less for a 20 mb y te hard disc cou.p led with the ST you end up With a highly for less sophisticated system_ than the scheduled price of the Commodore Amiga. Okidata was showmg its low cost colour printer which can rint out the hi-res colour pm p hlc screens g One item surprismgly miss— ing wasalaser printer. Michtron, one of the larger software producers, said they were working on interfacing an Apple laser printer made by Canon to the ST. Atari themselves would say

to strengthen its marketing operation. Chris Hall 39 and married '. With two children, Will now become responSible for sales to dealers and distributors in the UK and Ireland. ,, He brings a wealth of ,, experience totheiob ,says Max UK’s Atari Bambrid e 9 eneral mane erg "Tl?”is is of great importance when Atari is at a time consolidating ..its posmon as the market leader Rob Harding, Atari UK’s sales manager, is to continue looking after multiple accounts and the mail order business. .

’

By JOHN SYMES Managing Director, Microdea/ Ltd.

out doubt The Professional, a lookalike spreadsheet to the best selling Lotus 1—2—3. It is produced by VIP Sys— tems, a highly respected com— pany and previous producers of an integrated suite of programs for the Tandy colour computer. This and any future releases from VIP promise to be of a quality not previously known for computers costing less than

£1,000. A

proliferation of other

professional software is starting to establish the ST asa best buy. Databases come from the British company Kuma, also

from Atari, spelling checkers from Haba, Hippo and Regent, word processors from Atari, GST, Regent and Kuma, plus .

communication

many

pro—

grams. T yp esetter g ives y ou elec— tronic page design and Haba Wills helps you write your own will if you think your computing days are numbered. Tipped to be a mega seller is Michtron's Time Bandit. This

last

from

conversion

hit for the Christmas's No Dragon in the UK uses the ST's capabilities to the full. The adventure hit of Comdex was without doubt Kings Quest from Sierra, a 3D graphic adventure with hundreds of screens and dozens of animated characters that walk talk, run, climb, even swim, If you're into art design then Degas from Batteries Included of Canada will probably set the standard for graphic design programs. 1

F B ' AM", "SE” snow A

has recruited the former national sales manager of Acorn .

ATARI

nothing apart from the fact that when they brought one out it would be cheaper and better. Star of the show in profess— ional software, even in its not quite finished state, was with-

giving away showing

arl

“I

for existing and future Atari ST owners at the Comdex Fall show in Las Vegas.

THERE

has given its ATARI . . official backing to the ?rst ever Atari User Show for . . the United Kingdom. . . I t is to be held In the . the of Suite 0 hampagne .

Novotel, Hammersmith, London, from March 7 to

event

The

will

organised by Database P ublications, publishers .

of Atari User magazine and already well estab— lished in the field of computer exhibitions. . . “D us to our increasing . presence in the market. place, we feel that it has sa ry t 0 nece become . _s have an official showcase” ' sa ys RobH ar d'mg,

Atari UK's sales and inor. keting boss. "It will . provide our army 0 f ever-growmg . With the oppor— users . tunity to meet . all the producers of peripherals and software first hand. “And obviously there will be an exciting range . of new products on dis,, . the show play at . . . be Will Atari itself . ,

launching anything new? "People will just have to wait and see", says .

Rob

,, Harding, but you, .

can be certain we won . t . be letting an event of this . b with1mm) rtance sli V_ .

out something significant ,, ha ppaii i “9 '

January 7986 ATARI USER

’*s

s\\

wssss x“:

00er In

AN out-of—court settlement between Apple and Digital Research over alleged copyright infringements by Gem does not involve the latest two programs in the range for the Atari ST.

4&3:

”a

«3

. ' -

”5

w”%2%/// 4’“ at; g/%‘ Q

ta},

a? Law”

,//

if”?

DlGlTAL |“t99’at'°“ released Fighter Pilot, _

rumpus

hf“ let

plane flight simulation f°"

any 48k Atari. " °ffefs Pam’am'c 3'? cockpit views, 30 air-to—air combat, sound and crash sequences, and °°3ts £935 and 512-95 0“ cassette 031 disc. _

DATABASE WIT” GEM

For the impending

new

releases —Wordchart and Graph do not simulate the Macin— tosh, which was at the centre of the original row. “Apple has no quarrel with us over the format of these two", Digital Research's Paul Bailey told Atari User. Though Digital Research refused to concede it had violated Apple's copyright in any way, the company recently handed over an undisclosed sum as part of the sememem, It also agreed to produce new versions of Gem designed to be substantially different to the Macintosh in both screen appearance and operation. At the same time Apple was given the right to vet all changes. “But these new releases do —

TAKEN

THE Hilderbay (galrizr'tCZpejrsaetf DigLifaslelgltezzgrcShTs ing system, handles a range of information needs from order processing through time management and costing to customer records and sales track— ing. Said marketing manager Nigel Parry: “The Gem environment is ideal for our concept of a powerful database facility that is easy to USE. extremely DOWGFfUl and yet ”01 over— .

DflCBd"-

The cost

£99.

ZGOST

range

schedule

THE Atari ZGOST is on schedule for a launch ea?y this year, according to sales and marketing manager Rob

Harding.

He told Atari User the machine would come in two

versions, onewithabuilt-indiscdriveandonewithout. It will have a built-in Rs modulator enabling it

connect

to a television

10 ATARI USER

January 1986

set.

business software has been acquired by a new company, Centretime, and will be made available for Atari ST computers. Despite the popularity of its products over the past six years Hilderbay had run into difficul— ties which culminated in it going into voluntary liquidation. NOW Centretime has bought the to Hilderbay's Payroll, rights Inv0lcer, Bookkeeper, and Statutory SiCk Pay packages. .

centurles MEDlATOR, the latest arcade game from English Software for any 48k Atari, combines medieval and futuristic themes. Encountering mountain robots, killer trees, skeletal horses tures, search costs

and green slime crea— the player's role is to for the good Mediator. It

{8.95

{12,95

’

M I-d prlce TWO Atari programs have been released in Ariolasoft’s new mid-price series, Axis Assassin and D—Bug. In Axis Assassin the player a

swarming army of

mindless

killers single—handed.

"::.;.i;;:%..1m;;zi

robot

ners, drones, spores Wh'Ch double into mutant guards and Xterminators. '5 a computer game D-B_ug featuring a computer game called Gotcha. The computer breaks down

Galactlc

SPEED, power and points are the three goals in Ballblazer, a new game for the Atari 800, XL and XE by Lucasfilm Games. Distributed by Activision, the game is set in the year 3097. The player is the first to Terran have battled through qualifying rounds to compete for the honour of his planet in the Interstellar Ballblazer Championship. TWO players can compete against each other or a player can take on one of nine practice Droid players, each with a

if?

m\?——s<\\\\~——-

gmi§§§£§§mg Assimwwssssf

cassette,

on disc.

—

tile;

t Or

sec

during the game and it is up to the player to find the fault and repair it. Price of both games is £7.95 on cassette, £9.95 on disc. Ariolasoft has also released another game, a conversion, for

The;932? fiatgfesl lookincrgas- theRAtfriea m ° f

oven

its“???

it».

Action spans

not fall into that category”, said Paul Bailey. The two combine with the other Gem prodUCtS to form a complete business graphics presentation tool. “All that is missing is the page layout faCIllty which we hope to supply soon", said Bailey. Wordchart is a special word processor designed for producing text-based slides or foils. Graph is a general purpose graphics tool which enables the user at the touch of a button to produce a variety of formats bar, stacks,3D, map and symbol diagrams and charts. They are due to be released in the first half of this year.

faces

?asD?l?nB?isei?éeéhiysfgf; H | LDERBAY

geon drama

which

the

player faces tt‘aCkS from

snakes, giant spiders, zombies and hordes Of 0th.“ nasties. it has four 13 Slf'“ levels, dungeons, 129 different rooms two player mode, and costs

£12.95.

battle differing level of skill. The screen is split so each player gets a view of the game through the windows ofhis own rotofoil. The Plasmorb—balI—is then fired on to the grid for the opponents to try and capture and score. Ballblazer, £9.99 on cassette and £14.99 on disc, comes on the heels of Rescue on Fractalus. And ACtiViSiO" has tWO more Lucasfilm Games in the Koronis Rift and pipeline Eidolon, action strategy and fantasy action games. —

—————————i net fOl’ 520 ST THERE has been a warm welcome from Atari for the networking facility developed by Software Punch which is expected to give the SZOST a real boost in the educational market. Atari sales and marketing manager Rob Harding said; "It is a very good product streets ahead of others available to the education sector”. Called SimpleNet, it will cost about £120, and is being talked about in the industry as a successor to the Acorn Econet. Software Punch managing director Noel Runnels-Moss says: “Econet is an absolute pig and seven to eight years old". He added that his firm was already receiving inquiries from a number of educational authorities who were thinking about buying the SZOST in large quantities. SimpleNet uses R8232 cables, runs under Gem, is icon driven, and offers electronic —

mail and word

processing

facilities. The teacher can look at any screen Without the pupil being aware of being observed. ________

68000 ASS E M B LE R THE K—Seka 68000 assembler for the Atari SZOST has been released by Kuma Computers. A native code assembler

using standard

Motorola

mnemonics, it produces either absolute or relocatable code ata rate of 30,000 lines a minute even for large files, says Kuma. Main features include text editor, full 68000 assembler, symbolic debugger, line disas— sembler, built-in linker, conditional assembly, macro facility, formatted listing output, and absolute, relocatable or linkable code. Price; £49_95_ __—_

UK EXPORT NEW on the American

market

for the Atari 5208T is Star Glider, an arcade strategy game produced by British Telecom software house Rainbird in the UK.

News

.—

— -

to tra

— ANGERED by the extent to which pirates are infiltrating the Atari scene, the boss of utility specialist Computer Support is leading a campaign to bring the offenders to book. Having discovered that at least two of his own products are being illegally copied, John Lawson is offering £100 reward for information leading to the successful prosecution of the person or persons responsible. One Of the Computer Support products involved is Ultimon, a built—in machine code monitor capable of stop— ping any program on the fly, which sells for £49.95. TheotherisSO ColumnPack, a built—in 80 column text mode that works on an ordinary TV set, is compatible With most software and Costs £69.95. Lawson told Atari User that he has been informed that both have been pirated and are available on the black market for about £20 each. “This is only the tip of the iceberg", he said. “Other com— panies supplyingAtari hardware and software are getting ripped off far more than me.

"Butl'mdeterminedtotakea stand against the pirates. lfthey will proceed can be identified with court action to hit them with the heavy penalties incor— porated in the new copyright even if have to legislation bring the prosecution myself". I

—

Leading anti-pirate campaigner Ken Ward, of the Norwich User Group,applauded Lawson's decision to go after the pirates and promised the help-of his contacts in the Atari

fraternity. He said: "One thing that puzzles me is how they can afford to copy chips and printed still make money. circuits and ”Pirating hardware is a very expensive business—Ican't see that these people are making very much money out of it". But Lawson feels he has the answer to the economics of such activities. “Eprom burners

are available to the general public for £60 or less, and once the pirate has the necessary equipment he can produce copies quite cheaply". H e believes the pi rate activities involvinghis products are centered in the North West Of England. "I received two reports about the availability of copies of Ultimon and 80 Column Pack and both came from this area", he said. “One was from a dealer who

from a young Atari user. Both live in the Manchester area. “In addition,|hayeheard two names

the grapevine

—

handles

Computer Support

‘George of Blackpool’ and ‘Rob C‘ of Manchester—who are said to be involved in piracy of Atari—related products. "This would seem to confirm that the North West is where this activity is going on, and it is now up to honest Atari users to help me track down the person or persons responsible. “I can promise you intend to make it very hot forthemindeed

products

and the other came

once

they

are

identified”.

, .

ATARI has announced two more firsts for the SZOST, a Modula-2 compiler and a full p-System with choice of UCSD Pascal and Fortran-77 com— DileFS- BOth are from TDI Software. The compiler

is a software

development system

WhiCh uses the Module 2 language, a development Of Pascal. it iS Claimed to pfOVide many useful extensions which help it produce fast 32 bit native code. These include a full feature program editor, a multi-pass ModuIa—Z compiler, module linker and library facilities, and full interface to a large number Of Gem fUthiOnSThe interface not only allows Gem applications in ModuIa—Z but also full access to graphics, mice, windows and pop up menus.

Although a high level Ianguage, TDI claims it is both simple enough for beginners and powerfulenoughforserious programmers. The p—System facilities

include a screen editor, file manager, disc recovery tools, printing utilities, library manager and other operating system services. Available as add-OHS are three separate p—System Ian— UCSD Pascal, Forguages Iran—77 and Basic— The syntax Of UCSD Pascal differs from standard Pascal, its major extensions beingits String handling capabilities and memory management facilities. Price for both ModuIa—2 compilerand p—SystemisElQS. —

803

CHOSEN

BUSINESS Operating Software has been chosen by Atari to help with its push into the business market.

Managing director Alistair Jacks said BOS's operating system software opens up a wide range of business applications packages for the Atari, including its own suites of accounting, office and vertica| software. January 7986 ATARI USER

micrclaltli with

in association

LTEIJECOM GOLD]

_:'

MicroLink

NOW

people to send ?owers and plants by way of

enables

.—

E =-—_

_.-_T

subs-

cribers can say it with ?owers at whatever hour of the day or night the mood strikes them, and their ?oral gift will be delivered anywhereinthe British Isles. MicroLink has joined forces with the world famous ?ower delivery service Inter— flora to create FloraLink, which for the first time ever

.-z

mily

their computer.

day

FloraLink

will

have

24—hours—a—day open access and deliveries by Inter?ora’s

2,700 members throughout the UK and Eire can usually be made any day other than Sunday. Orders sent to FloraLink before noon on a working

can

by sendmg a stamped

cover

all Inter?ora’s 44,000 members in more than 130 countries.

0 a r

Stockport SK7 5NY

railway networks built by military engineers to supply -

the property of North Gloucestershire Narrow Gauge Company a small group ofenthusiasts’to deal With Kolmex, a Polish import-export firm specialis— which O’Keeffe belongs When it is eventually ing'in the sale of railway CqUIPment. restored to mint condition the What he was after was a engine will be one of the feature attractions of the 0m its jo of geagloréugiiége?rlocothatbhad museum railway at Todd hauling sugar beet from the in g ton i n GI oucestershire. f“ields toaprocessmg factory. There are a number of It had been built in 1918 locomotives on display and b Of at O’Keeffe and his fellow train Kyastsrgi n i?mCl} Hensfchel or use buffs operate them on open ermany b y the German army on days during the summer. is now

for you

The primary age youngsters use the compluters to help them learn Simple maths and spelling, while children at the second— ary level are taught the practical uses of micros and even some programming theory. The school is a Prestel _

subscriber,

the

which gives the access to a mas—

youngsters Sive information database which is complemented by

MicroLink's electronic mail services, computer industry news, UK bulletin boards list

g t

and telesoftware.

Asked if micros

have advantages over more traditional methods of teaching children with learning difficulties, Miss Ruddick said: “Absolutely, although we naturally havealow ratio of teachers to pupils because of the children’s special needs, our youngsters are much more motivated to learn through the use of micros than by blackboard, pen and paper”. The school uses anumber of special programs, includ-

;

hoped to

FloraLink to

’Steam enthusrast Martin OKeelfe used MicroLink’s telex facility to negotiate a

tO' Europa House, 68 Chester Road, Hazel Grove,

envelope

Motivation

72 ATARI USER January 1986

Eventually it expand

from Sievescrzifhzgg wzrfmrg’hlggesflfg’tshe res c [QM-lg showed that the locoealiad brought to Britain to fmdt ea ure in a erma POIISh display of railwapy110512122:faecetcriryUZiendcebly 931i].e

USA-

—

card.

saved

The 76 pupils at Kaimes School in Edinburgh all have special needs in the educational sense but that doesn’t mean they miss out on information technology. Micros have been in use at the school for several years and, apart from their value as teaching aids, are extremely popular With all age groups says headteacher Jennifer Ruddick.

will carry

FloraLink

WITH the. 2333121181252)?“ (germran [guilt

addressed

oNew

.or“0“ (of on in in periand to be Put fifeairID numbef- tries a“ Fem—teen co?“ matiom“ _ of now part the-?rework eiectro'f‘F mézmadav DenAustraha’ Germa?y’ Hons he marks Eire Korea, t Zealand’ Kong» lsraeh Netherlands, EewaporesUK ing Puerto RICOs

price list to give subscribers idea of just what is available, and payment for the flowers will be by credit

d is the _ that’5 neede like code numb“ f the — 72

and

"wars

$2361?)

MicroLink.

be processed

‘.

.—-—

aid of MicroLink

Cain‘svsifh w itrso“::'e::;é

CHILDREN with learning difficultiesanddisabilitiesare being taught with the aid of

Find 0 u t about more What MicroLlnk offers

them

and

.—-—

._._

Mic'ou‘i‘i‘bers can comm“): .

syii‘xlj?k’s Mi Eire

.—.__

delivered the same day. The selection includes freshly cut ?owers, bouquets, wreaths and sprays and potted plants all manner of sizes and specially shaped arrangements to suit the customer’s pocket.

‘5

if): reached

A“

.-——

ow ’ t s e ma,

users in getting E’Sg?fm m 0“! zealand ElegtrNoew direc?)’ caxrgugh

—

THE M‘€'°L‘,“‘§ntf ma“Eire

a.“

-_-'

. . 0

._-

ing the micro special pack from the Scottish MEP in Glasgow which helps learners of low ability to grasp the basics

of the

three Rs as well

preparing them for life after their schooldays. “But we are just as interested in seeing what can do as in computers getting information from them”, says Miss Ruddick. “We will use MieroLink’s special features to help our pupils learn even more about as

practical applications of

information technology".

—

spelling,

Editing options SuperScript

gives you all the editing options of a business—styleword processor, with full block manipulation for cut«and«paste; overtype or text insertion modes; search and replace with pattern matching and optional case discrimination; backward search, case shifts for single words or larger blocks of text. And much more.

, ”z

;

. _

ti.

‘

I”

.;-~m

SuperScript Word Processmg Software is availabledirect complete with ComprehenSlve User Manual. Only £79.95 THCIUdlng VAT and Postage. OR FROM ALL GOOD DEALERS ‘

N Ew

WOR D PROCESSI N G PA KA E

m M.

m W“

Z '

/p£

-:' ,‘

MWMQFWM

SOPHIsTICATEo

AND

‘ERFULWGRDPROGEsssm

‘

£30

/ ‘

M Mlcmpm

' I

cro P ro

1"l

' fee n1e2r8rg?'. lg 9510? Hoygorth H ouse, -

London SW19

Ltd W. Im bl e d on

V" age, I

SBY

—-X

—— ORDER FORM—— To Dept AT3, CUMANA Ltd, Pines Trading Estate, Broad Street, Guildl‘ord, Surrey GU3 3BH.

gupmg/C?? Please

QTY

supply the following:

D D

SuperScript £79.95 (includes P&P) for‘

computer

QTY tUpgrade for EasyScript £49.95 (includes P&P) for‘ t(Your exrsting EasyScript disk should be returned with this order.) I

enclose remittance for

(Cheques

‘Commodore 64,

128.

computer Atari SOOXL, ISOXE. Apple He, He

made payable to CUMANA Ltd). Or charge my credit card

Name—m CAPS)

£35325

—

————Postcode__ If you are intending to

use

SuperScript for

I—m—J

’”

1‘

if f,

Attention Easy Script users! If you're already an Easy Script user. then SuperScript is the obvious next step. With its enhanced features and more powerful facilities. you'll be able to do so much more. There are no compatibility problems either. You can run your Easy Script data or EasySpell dictionary disks under SuperScript. And by returning your Easy Script disk can obtain an upgrade for £49.95. '

QUOTINGYOUR CREDIT CARD NUMBER OR BY COMPLETINGAND RETURNINGTHE ORDER FORMWITH YOUR CREDITCARD DETAILS OR REM'TTANCE

ATARI BOOXL! 13OXE APPLE "c! "e

Personalised mailings are easy with SuperScript. You can enter the data manually or use data extracted from your spreadsheet or database. Merging can be selective. A mailing labels template is included to help you complete your mailing and you can alter the template to suit your own label format.

21 0485.1?331

—

AVAILABLE FOR

SuperScript also gives you the ability to cut work down to a minimum by storing your own command sequences or text on single keys. This means that with a single keystroke you can reproduce commonly used phrases or multi-line addresses from a glossary, load in document formats or execute a pre—programmed sequence of operatlons.

SUPERSCRIPTPACKAGE OR ORDER DIRECT BY

Powerful for the experienced user

Mailings Wilh SuperScript

,‘

co M M 0 Do RE 64, 1 28

SuperScript puts you immediately at ease. Each command is a single word, and for each command you simply move the cursor. You don't even have to type the command.

too The build—in spelling checker goes right Good with through your text, checking for errors. You have the option to correct any error. ignore it, or add the word to its 30,000 word dictionary.

Simple tor the beginner If you are a newcomer to word processing,

Superscript allows you to extend your editing line up to 250 columns for wide documents like ?nancial statements, and with decimal tabs it's easy to enter properly justi?ed tables of numbers. SuperScript's complete set of calculator functions can be used interactively or you can operate on numbers from the text of your document. Apart from the usual mathematical functions like add, subtract, multiply. divide, and percentages. you have the ability to add rows. columns or even whole tables.

I, ,

Good with numbers

‘

SuperScript combines word processor, spelling checker, calculator and mail-merge facility. all in one package. So SuperScript gives you all the tools you need to produce high quality reports, tables, lists, personalised letters and prints labels quickly and ef?ciently.

ASK YOUR LOCAL DEALER FOR THE

Versatile SuperScript

ORD E R BY P H o N E

writes letters, invorces, reports, tables, documents, it stores, edits and even checks spelling.

—

The computer that’s been giving you such a fun time with games now gives you the chance to earn some money. Helping you with word processmg, secretarial work and even runningyour own business. All because of the brilliant new word processing package, the makers of WordStar the world’s SuperScript from MicroPro best selling word processing packages for microcomputers.

specific purpose,

should

interested to have details. Thank

You

W752

SOFTWARE TOS (Tramiel Operating SYstem) GEM Graphics Environment

s" ,

DR GEM For Wordprocessing DR GEM Paint DR Personal

' »

4 . ,

Basic

iii-i553:

LOGO

520 ST

95 Key Keyboard

,..

Q.__4

* *

Monochrome

an onllies or

3k 500K

a... “

ALSO AVAILABLE

. '

ff“

BOS Business System. This is the “Core" of a wide range of established business long applications.

* *

3’/z" Disc Drive

’

X‘w..4*44

(25 .

Mldl Interface Mouse

‘

‘f'w

The 520 ST

Standard Qwerty Keyboard with 95 Keys Function Keys. The Monitor is a 12" Including High-Res, Colour Matched to the Computer with 640 x 400 Monochrome Resolution. The Stock 31/2" Disc Drive allows 349K Formated

ONLY 00 6851 g vAf IW.

Hal "

Storage Capacity. With 512K

deaf;

TWILLSTAR COMPUTERS LIMITED.

Access/Visa

—

Ring Our Special Line 01571 5938

9 a.m.

—

January 7986

Special

Telephone 98! u Telex:

No: 01-574 5271 25247 ATTNTI L

TWIIIStar computers .

L|m|ted

6p.m.

M°"daV t° Saturday 74 ATARI USER

quality at

and Packaging.

Postage

Cardholders

Showroom Open

and 16K Rom (Expandable

add £8.00 for

Ram

to 320K) the Atari 520 ST offers superb Price.

You may purchase the Atari 520 ST by Cheque made payable to:

Please

has a

17 Regina Rd,

Southall Middx. u32 5PL

‘

MochmeCode

——

—

A n a tom y

goings on people getting drunk, loud music’the sound ofbmking —

Glasses. wandered into one room at the back of the house and, instead of people gossiping, found a small crowd huddled round a black and white “IV which showed a picture of two thick lines moving up and down the screen with a square thing bouncing around between them. At first, in my intoxicated state, thought that was witnessing some new bizarre late night cult TV programme, but then realised that was present at the dawn ofa new era in microchip technology the video game had arrived! So bought my own video game console and played tennis and squash until the early hours of the morning. Later, when all the pubs and arcades had replaced their first generation tennis games with the more sophisticated Space Invaders, acquired an Atari games machine and became a compulsive alien zapper. had no clue about programming, leaving such esoteric things to the experts. Then the price of micros fell and, for £189.95 was one of the first to buy a Commodore VIC after waiting I

‘

—

STEPHEN '

serles

5,-,=‘-———_:—E z:—

‘:—~——=

attended a the usual

"‘

‘

i r

A FEW years ago party. There were

\\Sy

"-"

“?lin-

l '

5.x

game

WILLIAMSON beglns a the art of producmg your '

own

machme code games by presentmg a , shoot em up arcade eplc whlch he wnll be dlsseCtlng l“ fUture Issues .

friendly error messages to tellyou when things go wrong,and often routinesjust stop with the Atari not revealing at what pomt the .

the then customary five months for delivery. To my surprise found that programming was not all that difficult and soon became fairly proficient in Basic. After typing lots of arcade style games listings from magazines, began to design my own games. Unfortunately many of my efforts were spoilt by flickery, jerky ani— mation due to the main limitation of Basic — it's too slow for fast arcade games. So I decided to take the plunge and learn machine code. Many people hold their hands up in horror at its mention, believing it to be incredibly difficult and complex. Well, machine code is certainly more tricky to work with than Basic.

There are

program has stopped or why. Debugging can become a problem. However what hope to show in this series is that, given a bit of organisation and patience, machine code programming need not be all that difficult, and even with only a rudimentary knowledge of the language you can create fairly sophisticated arcade games. have written a fast and furious shoot 'em up arcade game, Alien Attack, which shall- use to illustrate machine code. The techniques and procedures can be copied and usedin I

your own arcade games. Alien Attack will work on all Ataris except 16k ones, and, of course, the ST which does not use the 6502 chip.

Atari makes life easier for the games programmer by the use of the player missile or sprite system, and _—-———-—->

January 1986 ATARI USER

Lowers RAMTOP to pa 9 e 100, freein 9 memory from the start of Basic ROM (address machine code 40959) for like this amountprograms. Alien Attack needs of free RAM, but nothing it does no harm lower RAMTOP 30 Machine code by more than is actually required. to data is POKEd into memory address 38916. starting at 40 Checksum routine to make sure that the correct data has been loaded it not an error messa e is dis D la and you must check that you have Y ed 9_ data typedin the correct 60,70 Display a flashing title in Graphics Mode 2. Location 53279 is checked to see whether the Start been key has pressed.Avalue of6 in address 53279 indicates that_the key has been pressed and the continues. program 80 Puts the Atari into Graphics ModeOand switches offthe cursor. POKE 755,0 90 Sets the screen to black, clears the sound re and then 9 isters swnches off the screen display 5590. by POKE 100 Puts a random pattern of dots on the simulate a star screen to screen display at background. By switching off the line 90 is speeded approximately 30 per centprocessing up by so that the pattern is calculated is delay while the cut to a 120 Sends the minimum. program to the machine code routine. the end of the At game the program line 130 makes returns to Basic and sure that all the players and missiles areoffthe 150 Calculates screen. the ?nal score by peeking into the registers (1547 to score 1549) and converts decimal number them to a , 170 Again waits for the Start key to be anothergame, but returns to line pressed to initiate a display flashing title. This takes160ifnotpressedto care of the short, Basicpartoftheprogram. 190 Onwards contains the data statements that hold the machine code routines used.

25600 to

Al'en Attac k

extenS'Ve use 0 f lt' A rking knowledge of the player W't h miSSIwloe system tog ether .. famlllar'ty W'th the WWW) |es 0 f e programming Will assembly .

makes

help in

lan-gl‘jagthe construction of examlnlng

the program.

To make things simple have used only a selection of the available assembly language mnemonICS and ' have avouded h ex altogetherthe Even if you do not follOVél f how Alien A ttac was mtrlcames written yo0“an dwill still have an challenging game. entertaining In machine de as in BasiC, there 09 are no firm and fixe d rules about what is the correct way to D ro ram. Ask 00 program mers to goduce a Pacman clone and each W"PIapp roach the task in a different WGYBut if the program WOTkS' if P ac man gobbles his way C hase maze and the hosts duly aroundh'the im, then the gram does what It is to 0 and is essentially suppOS‘ad Drogd _

correct. .

The routlnes pre sented in these articles are one way 0 f tackling the creation of an arcade game. Th re are other ways to achieve t h 9 esame e?eCt' onCreative. f ex erimen Cthe progtr'aiirngl’righ a angfindinga style that suits lSIrs’izlsuaZe .

you.

familiar with the type

Below is a Complete |'sting of |' loader the Alien Attack géme'A PO KES the maChme code Bafjlcta a into RAM duces a title screen. BY andhpro t e 9 ame you will become playing

need t0 be

10 HEN m

20 POKE

“not“

“I“

106.1"=‘W‘"I°5 -

7 55 '

2'°"f:;

ta loan ' "'F°" "z“ W “7 ' 38916+li,?:1’0t:101m.l£x7

12° '

by stephen

mss

"Dam Ennon

stunt"; “m“. “WM!“

January 7986

3 “9.16.1“.11.6,141r12'2;i‘1’

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200 um

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76 ATARI USER

Hilllanson“_?.

published, together with

53255:PBK£

240 o _

analysis of each rou tine

“origin rolt to

lysmpulc?

210 MW 13,6,159,5,141,1o.s.159,1i:;l:6; o 1“

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x: 24663.”

ioniaibi-pm i

o-'

ourse |f a f’II’ st class alien zappe'l In the next articles m n this assembly language verS|Onsecr’lfestze machine code ro utines Will be

amethat

’

“N“

uSeCl

e arfactiog sound animation, colliSion de effects and so .°n' MeanWhile' 'f you can score more than 50 in Alien Attack conSider

“not!

routlnes

153 . o i

150.153'2'151’200'208'238'1”,

3, 240 NH“ ,141,1’3 2: 16 141,192.2;16;;::1 1,5 ' 2 ' i69.‘ 9.26.141,194,2.169.12 , 250 mm 3 31,208,201'7’2 141.19'2°8'172'17; 152 32.152 260 mm 154.3247» £2 1i3.153-32'3

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.95 520 0010 173,134,2,201,1,240,32,173,0,

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540 0010

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5,147,153,17,140,159,50,153,4,140,153, 14

55,153,5,140,153,15,140,159,109,153,7,

550 0010 192,4,200,12,141,0,5,141.2,21

140 330 0010 153.9,140,159,195,153,0,140,1

570 0010 1.210,140,1,5,95,155,20,10,14

0,141,3,210,141,0,210,141,0,210,141

59,219,153,10,140,159,129,153,11,140.9

4,25.173,2,5,201,4,240,19,155,205

5,173 340 0010 193,2,201,53,200,1,95,155,205

500 0010 130.105,2,170,154,207,142,5,2

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49,159,55,153,3,149,153,14,149,159,35,

141.2.6.136.140.3.6.176.26.17I.4.6

153 350 0010 5,149,153,5,149,153,13,149,15

510 0010 201,15,240,19,155,209,130,105

9,5..153,7.149,153,8,149,169,24,153,9 370 0010 149.153,10,149,153,12,149,159 ,15,153,11,149,159,0,153,254,140,153,1

,2,170,154,210,142,5,200,159,15,141,4, 020 0010 140.5,5.173,194,2,201,53,240, 31,172,5,5,159,15,153,15,147,153,17 530 0010 147,153,15,147,159,0,153,14,1 47,200,192,240.200.4,141.4.6.135,140.5 640 0010 5,144,25,173,5,5,2o1,54,240.1 9,155,219,130,105,1,170,154,220,142,7 55° °°‘“ 2'3'159'5"1‘1'5'5'14°»7'5'17 3,19s,2.201,53.240.31,172,7,5,159 550 0010 54,153,13,147,153,14,147,153,

5,149 300 0010 155 20,10,175,1,200,224,190,2 00

4,159.0,133,200,224,50,200,4,159,1

390 0010 133,200,155,200,201,0,200,2,2

02,202,232,192,240,200,2,150,0.142,1,2 00

400 0010 134,205,132,207,95,173,194,2,

201,53,200,1,95,155,209,154,210,159,13

51173111:5'1‘1,68.96-169,0.141.8 90° 0°70 210.141,0.210.141.1.210,141,0 '5'173'1’3'2,291,53-24071-961171.134 91. IMIQ 2,201,501,240,1,96,173,195,2,2 91r53'2‘9»1"6'173.170-152.233,1,201 92° 9°70 0,200,2,159,20,141,170,152,10

4f76.‘8.152,96.0.0.0.0,0.0.0

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4.0.208.24.174.9.208.224.1.240.17.174.

253

3,5,151,159,24,153,7,151,153,0,151,159

2° 90 0010 200,224.1.240,10,174,11,200,2 24,1,240,3,75,190,155,159,0,141,2,210 700 0010 141,3,210,141,0,210,141,155,2 09,141,1,210,159,150,141,170,152,159,5 5,141 710 0010 192,2,159,54,141,0,210,159,25 5,141,0,210,152,144,142,1,210,142,0,5 720 0010 32,159,152,159,53,141,190,2,3 2,159,152,159,0,141,190,2,174,0,5,202 730 0010 224,127,200,225,152,110,134,2 04,150,150,132,205,159,0,141,1,210,141 ,0,210 740 0010 141,0,210,150,0,159,0,153,0,1 47,153,0,140,153,0,149,153,0,150,153 750 0010 0,151,200,200.230,133,205,133 ,207,133,209,133,210,133,220,133,221,1 59,239,141

ggg iggg§ 34, 11545 370 11718

490 0010 35,153,9,151,153,11,151,159,0

750 0010

430 0010 9,150,153,11,150,159,145,153,

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00,1,95,155,219,154,220,159,129,153.0, 151 470 0010 159,55,153,1,151,153,10,151,1

59,102,153.2,151,159,125,153,3,151,159 ,90 400 0010 153.4.151.159.50,153,5,151,15

,153,255,150,153,12,151,155,20,10,144, 20

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Code

typing? Take advantage of

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our

__,

finger-saving

offer

Page 69.

Janumy7986 ATAR/USER

ONE of the great advantages that the 5ZOST has over other com— puters of a similar ilk, such as the Macintosh for example, is its use of colour.

Much has been written about the ST's ability to display 512 colours. However most people can at present only access the monochrome high— res mode, giving a very clear and readable display, but without any colour. There are two problems standing in the way of the potential colour user. Firstly, Atari has not yet released its own E400 dedicated monitor, and no release date has as yet been

. i

5 1,3z-«xi‘gzm

' ,

monitors. Apart from waiting for Atari to deliver its own monitor, what then are

the choices? In my search looked briefly at three 14in colour monitors which have analog RGB ports in addition to I

the

Functlon Audio out CompositeVldeo .

OU'KDUt

Mono.detect Audio in

2 & 6 C

Vert-SYnC-

|l\\ll/C 15

78 ATARI USER

January 1986

connec—

contrast

girrtce .

l7\I/C

resistor)

20lvia 2.2 kohm 21Mascreen,optlonall

76 and monitor pin the on mode * The to select RGB ohm resistor ‘de a Voltage 0 35 a to is pron t You may find that or 8 of t h screen top SCAN ’f’pu' the at a black band elf so Simp/y causes either ith a faint imagp present. t and adjust ohm Imear pO black picture V'Vtor with a 500 '

standard composite video

tor: [I A converted TV from Fidelity. [I A Microvitec Cub monitor. [I The new Sony monitor. Each was being promoted by the retailer as being ST compatible. Indeed the Cub had been specially modified by Microvitec for use with the ST. The choice was an easy one. The Fidelity CM14 looked fine, although the 80 column mode was understan— dably a little difficult to read. However at just £200 you must expect to get what you pay for. The resolution on the Cub—653 with 80 column text being was better, QUIte readable, but the colour saturation and were

Ground between ST re sistor used

rep/ice unti CO"tfzt’es’s

morn-tor

By far and away the best was the Sony KX—14CP1 monitor, which I was so impressed with that have bought one for use with my own

N//C

golvia 22 kohm resistor)* resistor) 16 (via 350 ohm

Monochromeout

Ground Horiz. synCHoriz. sanBlue out

Sony co|our

extremely disappomtlng and there seemed no easy way to adjust either.

N/C

12 13

Green out Red out

two

Pin assignments 9°;“?zggq‘ K 5ZOST to a Sony

could simply remove the plug from the monochrome monitor and fit an in—line connector which would facilitate easy change-over between

soldering iron. Alternatively, if you don't mind a minorviolation ofyourguarantee,you

for

4 5 6

AN DR E WI LLEY |00ks at a super

A--.

a 13—pin DIN socket, and there simply no such plug available on the market at present. Luckily anyone with a bit of ingenuity should be able to make one up from a small piece of 0.1 inch veroboard with pins stuck through it. Such a lead is available from Silica Shop if you're not too good with a

General

’

using

' '

is “

announced.SecondIy,the13—pinDlN connector at the rear of the ST IS a non—standard analog-RGB port. Most RGB monitors use the less versatile digital RGB mode. If you do decide to use a third-party monitor, Atari has made things as tricky as possible for you by

w sTpinnO-

pm 9 -

The Sony an enhanced uses versnon of called the-Trlnltron tube the Black Tnmtron, which includes an antiglare filter in the tube itself. It has a 0.37mm grille pitch, allowing a much higher resolution to be dis— played than on conventional TV —

tubes. The unit

is rated at 640x200 dots, although suspect it could handle a little more. The 5205T’s 80 column I

display was rock solid, with the text below each icon, which is smaller than normal 80 column text, still quite readable. Colour was excellent, with a very

——————_—Review bright and vrvrd display, and. was pleasantly surprised hOW W8” It coped with two similar ooiours displayed side—by—side, as this often causes shimmering at the border points, as for example, on a Dragon or

Desk

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set

Fat???

the

ST has

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The Sony KX74CP7 monitor gives bright colours, crisp definition

outputs.

File

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Switching between RGB and com— posite is controlled by a front panel switch, making it an ideal monitor to

£3

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its

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use if you want to connect an ST and one ofthe8bitAtari computers atthe same time. In addition to all this, the monitor can be used for Pal, Secam, NTSC

gaff? $3515;

—

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—

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,, ._

4.43 and NTSC 3.58 television standards. Put simply, this means that virtually any computer/video in the world can be recorder connected. The power supply will 10 automatically select between and 240 volts. The Sony is the largest of the three monitors with a front panel of 15 x 13 inches, and a depth of 17 inches— so be sure that your computer desk is

ii?

3:1;

533:

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You can connect either analog RGB or composite video (plus audio) via the 21 pin Scart connector, and Tl'L RGB, with or without intensity signal, via the 8 pin, IBM—compatible, digital port. There are also two standard composite video inputs BNC and a phono and an audio phono socket.

so?

5’34

1-_:==

“37":fifi?‘lli‘l”i‘i‘ife’ei'r‘li'o‘w?"l.

rials.

§_ 3555 2523

Options

CONTROL P??EL

F153

of inputs

Uiew

531,

The picture can be easily centred by means of the V—Size and H—Cent controls and with the image thus there was no visible distorcentred tion at the edges. The other controls on the side panel allow adjustment of contrast, brightness, colour, volume and hue. Unusually, all but the colour/hue controls function in RGB mode. The audio performance was only fair, with a small front—mounted speaker being the main culprit. Frequency response fell short of what expected, bUt suppose 't 5 30|d as 3 monitor not as a hi—fi. Anyway, the sound was well up to the standard of a good portable TV_ The unit has as comprehensive a .

i le

F ,,5,

. "

93’-

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deep enough. The design, pale fawn/grey casing with black base and screen surround, matches in well with any Atari computer— indeed, it could have been designed for them. The screen is tilted back at an agle of about 10 degrees, although if you want it vertical, for use as a TV

monitor for instance, two clip-on feet provided to raise the back end. used the KX—14CP1withall of my Ataris (800, 800XL, 130XE, 5208T) and also as a TV with my video recorder. The display was excellent on each, and outstanding with the ST. As previously mentioned, it is unfortunate that the sound very slightly lets down what is otherwise a superb monitor. At £399.95, it is the same price as are

the Atari colour monitor will be, but has the advantage of allowing the freedom of use that a dedicated monitor can’t. So if your ST needsabit of colour in its life, and you've been waiting for the Atari monitor, then you need look no further than the Sony KX—14CP1. (With grateful thanks to John Dittrich and Henry McA/oon at Sony UK, and Peter Fellows at Software Express for their help.) January 7986 ATARI USER

1.9

IMPORTANT NOTICE OF TO ALL OWNERS ATARI (400/800 XL) COMPUTERS If you want the best in software for your machine in the future make sure you fill in the Registration Form below to register on our Mail List to be regularly informed of our latest releases. Our first batch of titles will include Jet Set Willy and Ian

Botham’s Test Match.

Send your

completed form Tynesoft, Freepost NT 873, Unit 3,

Addison

Industrial

‘Blaydon-on-Tyne

to:

now

Estate NE21 4BR

(No stamp required)

}

_____.______________

><g

Elsi Tl 111 1

i“

F ii U l, l U

l] I i I if r H? ill

l ll

Tl,

tl?lHElg WHY} ll rolll M llllggll; Eli i

l”

lil?fl, 1T]

Education

—————————

TH E children of Southmead Prim— ary School in Wimbledon were 00||eCting infOTmation fOr a data' base about their interests which they entered into one of the school computers. One question asked what type of home computer they owned. Games survey, and it turned out that most children had experience of the Atari. All mentioned games as the main reason for having a computer. A few

sc h o

I 0 re s

o I ex

“I

ra n

Ata

s In 9 .

tlo

rl o

n s

simple programming as well.

Many children

have

experience of

using the computer in the home than they do at SChOOt-

Their computer eXDerience in primary SChOOl is normallylimited tousingthe SCh00|'S computer once a week. MOSt SCh00|S have a machine bought when the Government met half the COSt- With the education CUtS Of recent years, purchasing extra machines has meant sacrifices, hUt it the children are QOihQ to learn effectively With computers far more machines are needed. Seymour Papert, Wh0 developed the educational programming Ianguage Logo, said at the BfttiSh L090 Users Group conference at Loughborough University: ”if a proper computer culture is to develop in schools then the children need far more machines than the current average Of one per 100 pupilS". The computers used in school are

expensive and teachers haven't discovered the virtues of machines not prescribed by the Government. Southmead is a London school with a difference. The children enjoy at least one computer per class. The school recently purchased three Ataris including an 800XL with disc drive. The attraction of Ataris started with the discovery of the first powerful version of Logo available on a home computer. The Logo'was so good we brought an Atari to run it on,

discoveredthat this machine had many other impressive features. Atari Logo is onacartridge and the children have none of the problems of loading from cassette or disc. They switch the machine on and Logo is

and

Alan Coode is head teacher at Southmead Primary School

ready to

run.

provides

environment of turtle graphics. The children learn to program by building shapes. They analyse the parts that make up the shape, and teach the computer to draw it. Mistakes are common, but they provide opportunities for children to solve problems. All Logos provide turtle graphics, but Atari Logo also has sound and sprites, controlled in the same manner as the graphics, by building procedures. Logo gives the children power to produce exciting programs and they , ’

By ALAN

COODE

love it. They soon produce animated pictures with accompanying tunes. Tiny helicopters or spaceships whizz around the screen. One group of children constructs a motorway and another illustrates a nursery rhyme with pictures and music. Atari Logo is the best version for a home computer, although there are comparable Logos for more expensive machines. As Atari Logo has full word and list

processing facilities the children simultaneously learn to solve prob— lems and write programs in a high level language. The children with Ataris at home borrowed the Logo to use over the weekend. Some children borrowed an Atari 400 which the school picked Up for E30 in a spring salewere purchased. Orther. programs Atarl Writer supplemented the word

processing programs already used

school. lt was easier to use and the children preferred it.

Then the children discovered Snooper Troops, an American program by Spinnaker Software which had excellent reviews in both the educational and computer press. It is a criminal investigation undertaken by children. Someone has tied up MikeTabasco and stolen Lucy the dolphin from her pool. The police are baffled. They suspect Fisheye and several others. The children must find the culprit. The aim of the program is to teach scientific method to children. They start the investigation with a car, the Snoo mobile,awrist radio,acamera and the SnoopNet computer. Children's initial reaction is to rush around making phone calls and interviewing suspects. Soon the information becomes too much to handle and they take stock of the tools the program gives them. Skills such as note—taking are essential. They make a hypothesis and test their theories. When they drive to the phone box or to visit an informer, the screen displays a map of the town. The children often have to get to a house before asuspectleaves and they need a knowledge of the streets.They need to draw a map. They control the car using the keyboard. Driving is realistic go too fast and you crash and have to wait for the repair man, missing vital _

messages. It is an absorbing educational program and it is hard to keep the children away from it. It is fun, but

_—__—_’

January 1986 ATARI USER

_—__________ exercisesthe children’s abilitytothink

requires discipline to find the clues ignore irrelevant information. It encourages the children to write,

and plan ahead. On the more

and

decisions and keep accurate records. In fact, one of the major of advantages having Ataris at Southmead is the opportunity to use American softwarelike the Spinnaker products. There is a considerable difference in the two educational systems, but computer experience in America is vast. The home market for educational software has allowed the software houses to produce elaborate and make

often extremely good products. One program the younger children enjoy is called Factory, which has three types of machine a punch, a rotating machine and a strip cutter. The children have to select the correct machine in the right order to produce a product. They also have to choose the right task for each machine. It is challenging and it —

traditional lines another program provides an exercise for mental mathematics. Teasers by Tobbs provides an array for the children to fill with answers. The position of the answers offers a check, for the columns have to balance the rows. The children have to think and not just repeat known facts. It gives meaning to work with tables. The computer club, meeting after school, wanted to play games. To the purist, games appearto have no place in school but research in America now suggests that children who play video games learn complex skills that no other medium can promote. Professor Greenfield, a psy-

chologist

at the

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ONCE upon a time a bunch of nasty Frenchmen invaded Lincolnshire via the newly-opened Boston to Paris cross—Channel tunnel —or is it a bridge? Finding that there was not a lot to do, they decided to go to the cinema. After watching "Rambo Part 300" for the third time it dawned on them that there was more to life than watching American films with subtitles for those people who speak English. So they decided to kidnap the cinema usherette. Now that usherette happened

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January 7986 ATARI USER

TAKE A LOOK !! Price

Description

Ultimon! 80Columnsl Tripler! XOS/FIX! XOSTranslator The Gap!

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Connect direct to 600 _

or 130

-————————-

LIMITED

£1

P&P

DEALER ENQUIRIES MOST WELCOME

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onZisc 180 £3.32 on .

Mail order only. To order send cheque

E-

or Postal order to:

Tel, 01-311 7339 All prices include Postage & Packing.

Sold subject to not infringing copyright.

MUDPIES

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£3.

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FLIP SIDE

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Microdeal’s 2000+ screen arcade adventure with it’s full colour maps, the Book of Change and Sador; our reptillian hero, has just been acclaimed as the first Mega-game availableforthe machine. Superb full colour graphics, roaring with sound and written in 100°/o machine code. Excellent value at ONLY £19.95 + 750 for P&P.

IllDll llllll

1:7."3"

and/scorcass. ondiscorcass.

COMPUTER SUPPORT (UK) LTD. 26 Seacourt Road, Abbey Wood, London SE2 9UW

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ahardwaremod. adiscdrivemod. adisc drive mod. cable&discarcass. andisc ondisc ondisc andisc ondiscarcass

£15.95 £9.95 £2.99

Arnold grabs a MUD PIE and throws it at the nearest clown, hitting him smack in the middle ofthe face!! The clowns, who don't think it’s too funny, start THROWING things back and try to catch himll NOW THE FUN REALLY BEGINS!!! Superbly animated strategy arcade game. Colour Monitor required. ONLY £19.95 + 75p for P&P. .

mod.

LANDS or= HAVOC

‘

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ahardware on disc

(MICIRODEAIL

Cassette Backup Serial l/O Plug

ahardwaremod. ahardwaremod. ahardwaremod.

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Cartridge Backup

£59.99

$3995? TMB 5NF

—

TEL: CREWKERNE (0460) 73442 PRESTEL MAILBOX 046073442

83“?y Ezggne wo

Includes VAT

MOOHLANDS ROAD

Backup Backup

Biorhythms

800/XL to disc drive if ?tted

F CCSYSTEMS

Disc

*XE Disc

£49.95 £69.95 £22.95 £29.95 £9.95 £29.95 £7.95 £19.95 £29.95 £8.95 £14.95 £9.95 £12.95 £7.95

This REVERSI type game combines Chess—like depth with Checker-like ease for an excitement all of it’s own! Surround an opponents piece and FLIP itover. This simple rule Ieadsto strategies as detailed as your imagination. For 0, 1 or 2 players, 6 levels of difficulty, a Speed option and a Help facility (who said anything about cheating???). Superbly presented and ONLY £19.95 + 75p for P&P.

M-DISK: A RAM DISK EMULATOR RAM DISK emulator uses a portion of your computers memory to load, store and save data. lT ACTS LIKE DISK-DRIVE. BUT. has no mechanical parts. M-DISK is software based and can utilize up to 800K of memory (if it M-DISK is super fast, incredibly tough, and costs ONLY £29.95 + 75p for P&P.

—

A NORMAL is available).

SOFT SPOOL While printing files (from a word processor, TOS, etc.) your computer is simply dead weight; tied up waiting for the printer to finish. However, with SOFT SPOOL, the wait is over!!! NOW YOUR COMPUTER CAN PRINT AND THINK AT THE SAME TIME! This software spooler sends printed data to the printer between tasks freeing the computer for more Important things (like playing Mudpies maybe??) and saves you literally hours of computer time! An excellent utility and ONLY £29.95 + 75p for P&P. Microdeal games are available .

from ATARI ST Dealers '

Win“

24 hour order System 30 ATARI USER January 7986

41, Truro Road, St. Austell, Cornwall PL25 SJE England Telex 45218 MICROD G Telephone. 0726 73456

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ST Printer Lead £29.99 ST Midi Lead £14.99 SF 314 1meg Drive £199.99 Philips 8533 Col. Monitor, includes ST Lead £319.00 MP165 165 cps. Dot Matrix Printer, including NLO £299.00 K SEKA Assembler £49.99 M o D u LA

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SILICON CHIP LTD, Showroom address: 302 High Street, Slough, Berkshire. Tel: 0753 70639 * *

lst Atari Business Centre. lst Dealer for 730 XE.

lst Dealer for 7029 Printers. ist Dealer with our own Software House for Software Support. * ist Dealer for 520 ST Please phone or write for full details. *

(D ealer

Enquiries Welcome} January 7986 ATARI USER

__“ YOU'VE heard of Murphy, the guy who wrote the Laws? What you might not realise is that he formulated all of them while trying to write a check—sum program.

month's issue of Atari User contained several ‘features', most of which revolved around the Get It Right check—sum program. First of all, if you'vetyped in the program and got it running, you may have noticed that it doesn't produce the same check—sums that we printed at the end of the programs. The correctthiSis to makea way.to small but important change to the program in line 4210. Make the line as follows: Last

“10

, °“5""=°-““—1

LINE cusun— LINE cnsun 10

“25

check—sum tables.

if you bought the monthly disc or tape last month, you'll have found a version of the program which gave completely different results. Unfor— tunately that was a wrong verSion. However it shouldnt have mattered last month because if you'd bought the disco rt apey ou wouldn't need the check-sum program. The correct version will be going out on all subsequent monthly discs .

and tapes. nd To I'OU.

mains tiiEii 71min

——Y7—T ¢tl p O

Now TAKE N

ACTIVISION Blazer Decathlon Eidolan' Gt. Am. Road Race Ghostbusters Hacker Koronis Rift“ Ball

Mindshadow'

Cass

Disc

890

12,90

8.90 8.90 8.90 8.90 9.90

Pitfall II Rescueon Fractalus Space Shuttle

9.90 8.90 8.90

Archon Archon II‘ AxisAssassin

9.90

ARIOLASOFT

D'BUQ

Golf Cons. Set' Hard Hat Mack MULE MurderonZinderneuf Music Cons. Set one 0” One P'Wba'mms-Set Paintbox' Realm oflmposs.’ Seven Cities/Gold Think“ BEVOND Spyvs Spy

DATABVTE

Boulderdash II’

DATAMOST

Robot ELECTRIC DREAMS SDV'S Demise

330

6.90 6-90 10.40 9.90 9.90

890 15.90 8.90

Airwolf ENGLISH Chen Suey

12.90 12.90 10,90 8.90

890

13.40 10.90 12.90 12.90 12.90 10-90 12-90 15.90 10.90 12.90

10.90

8.40 7.90

10.90

the

sa g 8, here are

Cass

Disc

9.90

10.90

790

1090

6.90 5.90 13.40 13.40 13.40 13.40

9.90 15.90 15.90 15.90 35 90

69‘90 '

Adventure Quest Colossal Adv. Dungeon AdVEmerald |§|e Lords oleme Red Moon Returmo Eden Snowball Worm in Paradise

840 8.40

340

5190

840 590

8-40 8-40 3-40

LLAMSOFT 6.40 6.40 6.40

Colourspace Hover Bovver MutantCame|5 MIRRORSO FT er d as

Secret Diary/Adrian Mole NOVAGEN Encounter Mercenary ORIGIN

8.40 8.90

890

11.40 1.40

Ultimalll

PRECISION Superscript PSS Theatre Europe

P"°a°:d'2§'xf: 9

X“

34 ATAR/ USER January 7986

3815415: 91 5713

tware

17.90 57.90 8.90

3:19

1:3

45111

130

1:33

$2:

“m

4000

4005

40111

1:3:

23:3

tag: 151;

7144 4552

“20

5395

232 5321

£3

4799 2244

“30

5,“

11113:

31,5521;

4240 4270 4312

9495 4250 13270 43110 10525 4350 12915

42“

“5,

4269 4310

1329 7089

44111

2575 1498 5514 5151

133

12.2132

13552,

132

1333}!

423.3 4

2:32

223: 15335 453. 55“

2253

use

55112

4710 12709 5020 0034 59511 5505

5000 5030

51m

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2111.0

{253 5325 5°65

use

H sta -—-aY

47“

1.5.3

7064 1901 7947

50111 10675

325? 7796

5040

5909

50911

211911

315:

5110

9231

A pal—3——,,— p Ctd O

(Cart)

890 25.90 19.90

(Cart)

890

19.90 25.90

STRATEGIC SIMULATIONS

2590 1990 33.90

Battalion Commander Battle ofAntietam' Breakthrough/Ardennes Broadsides Carrier Force Colonial Conquest Computer Ambush Computer Baseball ComputerOuarterback Cosmic Balance Cosmic Balance II Cytron Masters

47,90 54.90 28.90 54-90 33.90 48.90 33.90 33.90

3290 32.90

2590

33.90

3390

Fieloof Fire Fortress Galactic Adventurs GemstoneWarrior lmperium Galactium Kampfgruppe Objective Kursk Operation Mkt Garden Panzer Grenadier Questron RailsWest Reforger88 SixGunShootout U.S.A.A.F.‘

33.90 55.90 33.90 33.90 47.90

3390 47.90 33.90 49-90 33.90 47.90 33.90 47.90 64.90 33.90

Warin Russia

50 Mission Crush

“W“?0,”Wee? to: 15281738”CK PERIPHERALS. .

1113:

1.59

Disc

SIERRA-ON—LINE BC'sOUEST Dark Crystal Mission Asteroid OH'SWe“ Ultimal Ultima H Ulysses Wizard + Princess

Callers by Appointment only

10511 24451

51199

£9“

371 1408

“29

Eagles

890

5231

5232

Midgrove, Dolph, Oldham OL3 EEJ. Tel: 04577 5229

MOSAIC

1290 12.90

8.90

ColossusChess Elektraglide Hijack Kissin' Cousins Smash Hits Smash Hits 2 Smash Hits 3 Smash Hits4 ICD Spartados USDoubler

B ou Id

8.90 9.90

tan

LEVELS

7.90

EUTE

12.90 12.90 12,90 12.90 12.90 12.90

¢td

if};

45211 124117

off the

Ha stack_»

Access

91153

42“

correct (?ngers crOSsed) check—sums for the program itself, after making both of the above alterations. Maybe this time we'll Get it Right!

cusunzciisumiisctuiiss(mammal:

4721;

1070

CHSUH

5593

1.5 11m

LINE

20 45

323;

mauztimimzxr

of both these month 3 this to produce changes to make

Be sure

To produce the check-sums at the end of this month's and all future programs, you ll have to make one other additional chan e to th e g. C h eCk-Sum program, In line 4250Change this line as follows: 4259

it ' M. rug

Get

°"

Cass

SUBLOGIC FIightSimuIatorIl

SYSTEM3

International Karate US GOLD Aztec Challenge Beach Head Blue Max Blue Max 2001 Bounty Bob Bruce Lee Cavernsothafka Conan Crusade in Europe“ Dig Dug DTEIbS

Drop Zone Forbidden Forest FortApocaIypse F1SStrike Eagle Ghost Chaser Kennedy Approach Lucifer's Realm MigAlIeyAce Mr Do

NatoCommander Paceman Pole Position Ouasimodo Slinky Snokie Solo Flight Spitfire Ace SOY Hunter“ Strip Poker SummerGames SuperZaxxon Up'N'Down Whirlinurds Zaxxon

5.50 7-90 8-40 8.40 8.40

1290

12.90 12-90 12.90

1290

7.90 17.40 12-90 8440 8.40

790

12.90 17.40

1290 12.90

8.40 12.90

1290

12.90

15.40 12.90

840

12.90

8.40

1290

8-40 8.40 8.40 8.40 7-90 8.40

11-40

1290

1290 8.40 8-40 8.40 8.40 8.40 8.40 12.90

12.90 12.90 12.90 1.40 1

”90

12.90 12.90 12.90

1290

c15 COMPUTER CASSETTES

Please State 'ATARl' when ordering.

Disc

38.90

’

the BIG of 1 986!

Don t miss Atarr event

C O M P U T

L“?

Sunday

\ 8

Eu".

—\

about time there

March mam,”

was an

g?l;

of Jerry Howell, ManagingDirector,

are

ress.

good

news

q ue

Software. ‘W

rt 1t ‘S a" tota I SUPPO ow,°“r marketin a moving fast development .

f“

excrtrng

glue t h e

‘

place. Tony Deane, Marketing Director, Silica Shop. —

= 111; lng ysen “(16.3l

Advance tiCket order

Please supply:

—

Philip Mon-is, SoftwareManager, EngliSh

afford to miss!

l D -

roam4pJ

Atari Computer

about the show. It will develop lot of interest among software producers’.

It’s a major breakthrough in the world

Show.

‘It’s

’

9 March

March

Saturday

Friday

‘It’s

‘

(

Save £1 a head and miss

Champagne Suite, Novotel, Hammersmith, London W6

lIII-I...-III-II-I-I-I-I-I----------= ,

Everyone who’s anyone in the Atari world Will be there. Already many third-party suppliers are planning to use the show as a launching pad for products still on the drawing board. If you’re a long-standing Atari user the show will bring you right up to date on all now taking place the exerting developments m the ever-expanding Atari world. And if you’re one of the many thousands of newcomers to Atari computing it will open your eyes to the vast selection of Atari hardware and software that is now available for the whole Atari ran 9 e It’s a show you cannot

‘

f'“

32?

For the first time Atari UK and all the major of Atari hardware and software are suppliers pulling out all the stops to make the first-ever ComputerShow the top event of the

Adultticketsat£2(save£1)..i.....l.....£ Underl6sticketsat£1(save£l) _.....£

Totals

__ __

—

uicaons Shtecéue aaase egclglsed?madletgayable

ATARI SHOW mama“ /

Hazel Grove, étockport SK7 5NY.

tickets now!

Please debit my credit card account

lAm =vlsa Admissionatdoov: I

£3 (adults). £2 ( under 165)

Name

l I I I . I l I |

Signed PHONEORDERS: RING SHOW HOTLINE:061-480 0171 Please quote credit card number and full address.

=-----------------------------------.

January 7986 ATARI USER

= .

___..—__—____

accas

leou sawthe STson theAtari stands at last year's PCW show, you can't fail to have noticed a pre—release version of Brataccas being demon— strated, The graphics quality alone was enough to make it stand out from the crowd. Now you can go out and buy a copy, at a cost of £34.95, and the finished version certainlylives upto the expectations created by the demo. In the game - or interactive video as Psygnosis prefer to call it - you play the part of Kyne,

former

genetic

engineer who has been convicted of a trumped—up charge of genetic fraud. As the graffiti constantly reminds you, Kyne is

guilty.

The government, police and underworld would all like to get their hands on you, and you for your part would like to get hold of Koll Worpt, the architect of your downfall. In case you're wondering, Brataccas is the name of the planet where the action takes place. The other inhabitants have their own lives to lead and will continue to do so even if you choose to sit in a bar all day. This means that some of them might not letyou sit ina bar all

day! The task you face in the role of Kyne obviously pushes the game towards the adventure category. However the range of actions available for Kyne calls for arcade-type control skills. There are options to use keyboard orjoystick, but really 36 ATARI USER January 1986

the game is designed to be used with the mouse. For this reason you may have to spend some time learning how to

control the character. Cer— tainly found myself jumping I

into walls more often than i might normally. Once you do get the hang of it the game is superb. I'm not going to give you any clues about what you should do. Suffice to say that there's plenty to keep your mind and your mouse—hand active for quite some time. Pressing Help at any time calls up an option screen. As well as providing the mechan— ism for saving and restoring games, entering demo mode or choosing the control device, this also providesaconvenient way to pause the game. After all, in a game where

the other characters

have independent lives you can't rely on them to wait patiently

while you answer the phone. The other time at which action freezes is when you're offered a choice. For example, if a Snitch asks: "Want to know anything?" a series of thought bubbles appear above Kyne's head, starting with ”Mmm shall i The sequence might be something like ”ask for infor—

"ask about the evidence", “ask where I can get a drink", “say nothing". These bubbles willcontinue

mation",

to appear in sequence and you simply press the left—hand mouse button to choose the desired action. Inthis way you can take as long as you like to for once, the inhabi— decide —

uts on a hard act to fOllOW

l'_'—"'-,7.

r 1

"in

W” $531:

5.7.

“a, of,“

J; of Brataccas hang on your every word. Until Brataccas the only gamesl'd seen forthe STwere conversions from other mach—

tents

ines. Here, at last, is

game

written specifically for 68000 machines like the ST, Fat Mac and Amiga. It'sdone moretobolstermy faith in the machine than anything that's emerged from Digital Research or Atari. Perhaps that's because Psygnosis have not used Gem

or TOS but have written their own routines to do everything-

While Gem provides a consistent interface 80 that packages can all look familiar, Brataccas uses the machine to best advantage. From the

follow.

arrive from Novagen, let me tell you right away that your waiting wasn't in vain. A soldier of fortune, you've crash—landed on the planet Targ. It's the Zist century so such crashes are not fatal. However, all is not peace and quiet on Targ. Quite the there is a bitter opposite conflict between the Palyars and the Mechanoids. Your ultimate goal is to but escape from the planet how? Should you join one side and fight the other? Which side should you join? Should you join neither side and try to stay friends with both? Or play both sides off against each other? Or maybe just steal a ship and blast everything in sight? The choice is yours, and there's more than one way to achieve success. But first, you —

Cliff McKnight

wa n

O“

lF like me you've been waiting patiently for Mercenary to

Roger Dean

illustration and poster t0 the end Of the game. Brataccas sets the high standard which the machine deserves. It’s going to be a hard act for other software houses to

start the game on the sur— of Targ. There are two kinds of vehicle if you can get them one is ground-based and the other allows flight. There are also underground complexes accessible from the surface, so there's plenty to explore. Your interaction with Targ takes place via Benson, ”an almost human PC",andit's on Benson’s screen that all the action takes place. Benson is constantly monitoring the situation and reporting, even asking the occasional question. As the instruction leaflet says, your contribution to the partnership is flair and endeavour. Benson must be quite strong, judging by the size of the box of provisions which I managed to Take. lt'sapity he can‘t draw a map for you you'll have to do that yourself. I'm not going to tell you any face

—

SPOT the Ball from Creative Sparks is a double game package aimed at the Sports enthusiast. It contains Soccer player games simulating

suooxm

two

of the country's favourite entertainments. Soccer is the most realistic game Of mom?" | have played on a home mleOit caters for up to four people, eithef fOUI’ againSt the computer or two on each side, bUt the game is iUSt as entertaining played by single p‘aYefS-

o . 7

B k “Z

1“.

o 1

1 as “SEW“

w...»

_ i

LL»:

a...

' , '

_,./'"_

There is an opt|on to select a match that WI” laSt for 10, 45 OT 90 NinUteSPress the fire button to kick off. On an individual basis you can control any one of the 11 players 0" your team 0“ condition that he is nearest the ball. Pressing the fire button in flashes these circumstances the number of the first joystick pressed (1-4) momentarily in the position occupied by the character on the screen. This is only relevant in the multi—player game to identify which of the participants is _

MISCUES

’.

i" ."’<-.,_

-"‘;? >

‘-.I

l'“

.-—"'..

’

computer control, using

catch you, as your progress is slower once you have the ball. Success in surviving 3 tackle tends to depend on whether or not your opponent can guide his playeraccurately over the ball. HOWEVG" Sh°U|d

done and the animation smooth. | soon found the game fun to play and very addictive. However i cannot say the same for Snooker. As a keen fan of the real game, i have played many versions on a variety of micros,

but

to Ilve for ever Both contain two versions,

more about the content of the game because I don't want to spoil it for you. What will say is, that the quality is high and the cost

48k version for expanded 400 and 800 machines and a 64k version for 800XL and a

130XE machines. Graphics and animation are good, there is scope for different styles of play and it

represents good value for

money. The tape is £9.95 and the disc £12.95.

7 '

v j: '

iii

r u

found this

disappointing. It's a standard

'I should be big enough to last you quite a while. In fact, given that you never get killed, you could literally play forever. Fortunately, then, there's a Save option so you can get some sleep occasionally. Also if you find yourself in an undesirable situation, like stuck in the desert with days of walking ahead of you,there's a Quit option. The price you pay for this is that your possess— ions get scattered around. When you do manage to achieve escape status, make sure you save the game because this will give y0u beneficial entry into Mercenary ll. You mean there's more? As far as I'm concerned, Paul Woakes can take his time writing the sequel I think Hi be spending quite some time on Targ. Dave Russell —

player from that team, in an apparently random direction, and the chase is on again. The graphics are nicely

’M

controlling the man with the ball. Once you have possession the rest of the team runs forward with you, and you are chased by one or two of the opposition. They are certain to

you decide to pass the ball a second press of the ?re button will kick it in the direction in which you are running. Retrieving the be" is again a matter of getting one of your players nearertoitthan one of the opposition and again pressing the fire button. When the ball goes out of play, possession 9035 as usua| to the other team. The ball is thrown in under

one

very

implemen-

table showing 15 red balls and six colours. You control the cue ball's starting position in the D using the four arrow keys. The joystick moves a white cross around the screen to establish the direction in which you want the cue ball to travel. The power of the shot is selected using the blue bar which constantly rises and falls at the side of the screen. When the bar is at the right length for your shot, either short fora soft shot or long for a hard one, press the fire

button. Because of the Atari's restricted colour set in the mode used,the green and pink balls have been indicated using white circles and the brown is a red in a black circle, but this does work and the game is playable. The major letdown for the real enthusiast is the inability

. January 1986 ATARI USER

_ to impart any kind of spin on to the cue ball. This makes ball control a virtual impossibility and as a result the game ceases to be one of skill. There are several versions on the market for a variety of micros thatimplementfull ball control as standard. Because of its shortcomings this version is left way

driving ever gets like this I'll go back tO walking. It’s racing against the clock because you’ve only got a fixed time to reach the next section. The countdown timer on the left ofthe displayshows how long you have remaining. When it hits zero, you’ve failed. In addition to being a great game With really QOOd graPhiCS, the program hasafew other refinements. For exam— ple. there is a choice of three “steering control envelopes" so you can choose the one which best suits yourjoystick.

down

the list and as an individual ame I wouldn't

entertain it.g The fact that it is~paired with a great football game gives it a chance of success and taken as a whole the package is good value for money at £9.95 for the 32k tape. David Andrews

“r; L,

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have to steer at fork junctions and there are bends in the

depended on saying

something good about

o gu'rgm'eg Gag“? a ave Li‘s o pro y faom it admit that enabled me to do Ive before thmg? n‘ever‘done “ke swrmming through ,

S:§KE?£$I§DQE3|§IZS:?§: tunzlellsintogil, Elektraglide

English Software. Throw away Pole Position and all its clones this is the one you want. The insert describes it as a "fantasy racing epic”, which sums it up neatly.

action which the real power of the 8 bit Atari. English Software should have another winneron theirhands with this one. The 48k cassette costs demonstrates

lt’s

fantasy because a variety of obstacles come

£8.95, the disc version

bouncing down from the sky to impede your progress. If real

£1295

Pat Cookson

sells; in???

‘WWWWW

we”

“is“

“

_,,‘

“w

WWW

concrete. It s that a rare program to makesurt mark“ W'th. so features many You might be even more surprised whenl .

tell you that

pre-

Swimming through con— crete is just one of the

7,7,

; 1

100m freestyle you can be forced to swim a whole length backwards. Now that's whatl call freestyle. In the swimming relay, when one swimmer turns the other does too, even if he hasn't reached the end of the pOOl yet. The same goes for the hand-over it's a case of —

38 ATAR/ USER January 1986

saw

release versron of the package and told US Gold about the bugs. One ortwo minorones have been removed, but the vast majority have been left in on the grounds that they appear in the original American ver— sion.

delightful possibilities. If your opponent establishes sufficient lead over you in the

frantic arcade

to choose from Britain, America or Australia. The tracks may not seem all that different in play, but it's lovely the way the shape changes as you select each track from the option screen. You don't have to steer round the bends, but there's

“a...

;

‘

chance of avoiding the obstac—

LEFT AT THE POST

Then

With the standard Atari found the lightest joystick control gave me the better

tracks

Ies.

4&7

"one in, all in". it might as Mind you, well you cant te belllikithat w 05 w because o anyway. So the swimming's too not. QOOd’ .h°W about the running? Well, m th?e 320m scro on/vardSShEh? sot a screen on

neither player was Its pretty screerli]. sully gorng throug all the actions when running you can t see the runner. the general .Even organisatlon the of programis awful. Despite the two joystick If the event involves option, one player at a time then all players must use joystick 1. What’s the point of having two joysticks and telling the if you've program about it still got to pass joystick around? There's also far too much disc-flipping to make for '

—

comfortableplay.Theprogram occupies two sides of the disc and frequently seems to need something on the other side no matter which side it's reading at the time.

—

lcouldcontinueinthesame vein, but why bother? As a famous Australian wine critic once said: “This is one for laying down and avoiding".

Cliff McKnight

f 1

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_—_—_—___

Display Basic

statements

controlled and tidy thls useful utillty SO far as the user

the

Basic

concerned,

facilities Atari leave a lot to be provided by desired. If, for example you don't know which program lines you want to examine, then you enter LIST and stop scrolling by keying either Control-1 or Break. However, getting the timing right— for instance to display the whole of a subroutine can be quite difficult. If you do know approximately which lines you want then you can enter LIST Io num, hi num, but if the lines are not consecutively numbered, or occupy more than one physical line, then the particular ones you want may get pushed off the top of the

listing

—

screen.

In addition, after each LIST operation Basic throws a blank line and dISplaysa READY message,allof which wastes valuable screen space. This latter feature is particularly annoying if you are attempting to display several separate sections of code at the same time. For example, you may wish to display program lines around a GOTO as well as those around its destination. This Lister utility is intended to overcome all this and enable the user to display Basic statements in a controlled and tidy manner. It achieves this by combining line by line scrolling with the option to jump to any line number, as well as 40 ATARI USER January 7986

suppressing those blank

m a

manner

with

lines

of the window,

and

READY messages.

Another useful feature is that it can be made to operate on a window of line numbers as defined by the variables L0 and HI.This enables it to ignore the presence of Basic utilities, say Lister itself,TYPO etc, and allows you to concentrate on the target program.

When

screen

or the last statement, reached the next press of Return will cause display to return to the start is

editing

required

Lister must be suspended. However this can be done in a tidy manner with

BVALAN PUFFE"

of the window. If

you want to edit then 0 or

—‘I

should be entered. This will result in Lister being suspended and the screen editor enabled. The target program may then be modified and run (by GOTO nnn) if required. So long as no other program has been run since Lister was suspended it can be resumed by entering CONT, otherwise it will have to be run again. To assist in resumption, CONT is

displayed above the STOPPED AT LINE message, so that it is only necessary to place the cursor against

the option to re-diSpIay just the current line or update the screen when resuming. Operation is simplicity itself. Merely enter RUN, at which an introductory message and the first line in the window will be displayed. Each subsequent press of the return the next line to be key causes

beenpushedoffthescreenbyediting. If Lister was suspended by entering 0 then when resumed the current line will be displayed, otherwise if —1 was used then the window will be listed up to the

displayed.

current line.

line number within the range of the

Alternatively, entering

window causes that line, or the next highest, to be displayed. Entries are not echoed to the screen, but since entry is foolproof

thisisnotconsideredaseriousdefect. In fact any entry which is not eithera number within the window orOor—l is ignored, and only results in the display of the next line. When the end

this and press Return. Of course, it will have to be re—entered if it has

There are few limitations involved in the program's use. The main ones are that it should be recorded in LIST C/D: format so that it can be merged with programs in SAVE or CSAVE format, and that the target program may need re—numbering. Since, however, renumbering is such a general requirement, it is probably well worth acquiring a suitable utility. When wishing to record a program

Utility ____________________—

ME. 2 871 5 2355 a 711é

VARIABLES line

First

£7 23?

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beYond

wind0W(Setin“neb1)' dline num ef-

3 6

871 24933

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everything.

by some mischance Lister does misbehave, simp|y press Reset and start again. The program occupies less than 800 bytes without REM statements. If

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22mm» 5an line. 7mm Find, men our.

———————————

ATARI 400/800/KleE-48K

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des. 50EY0 U5m5.

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you may not want to have Llster included and decide to delete it If y ou f.“ d 'th th.e h' h a _e ave, Wlke sure etahr»; asuc ma 0 verS|on mfa/zIn‘eBI a tan '“ reverse order. T_h's V9” de|et_e “$5 Slmple tr|ck quI save you from Iosmg

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[EH

Avallablefrom allgood Atanretallers or POST FREE from:

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SOFTWARE.

North Parade, ParsonageGardens, Manchester M60 18K Tel: 061-835 1358 January 1986 ATARI USER

._.__.___..tw

mufm?._____________________________

1—3“

Q— \

\,..-

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—

When Dracula Cl f t b ea p am ll1t e REC

——

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RATHER than look at the latest releases on the adventurer's horizon, I plan this month to take a look back at two classic adventures from the maestro of adventure writers, Scott Adams, which have given me such a lot of pleasure. As mentioned in my Top Ten adventures last month, The Count was quite literally the adventure that got me hooked on adventures. Played on an Apple, it provided a lunchtime focal point for myself and several colleagues for a good few weeks. The idea of The Count is simple and obvious. Dracula's castle sits above a village and you have been lucky enough to be selected to try and destroy him and free the village forever. The start of the game seems to set you up fairly well too, in that you already own that vital piece of vampire hunting equipment—a stake. The only problem is that stalking Dracula is a long and tiring problem,

l‘

5 .

, '

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..——

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4 T”

?—

“—

///

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and very soon your sleepiness gets the better of you. You wake up in that same old bed and yes, you still have a

«-

F '

little something

Vi]

I’

only this time the stake has gone and you possess two neat little puncture holes in the neck. Dracula plays it rough in this game. Scott Adams displays his humour in a variety of ways, from the visit to the bathroom to the response to the "no doze" tablets hidden away to help you make it through the night. The arrival of a package from the

[in

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42 ATAR/ USER January 7986

postmaster offers more than is first imagined as the paper clip provides a very useful aid when your more nefarious skills come to the fore. The kitchen supplies the statutory garlic to ward off the pesky bat forever buzzing around your ears. The whole essence of The Count is that you have to acquire items in the '

correct

sequence, and the wandering around intent on dorng this can prove frustrating until the. successive pen-

'5 a mite more drOD' There atmosphere in this game than some of the early Adams efforts, possrbly Of the °f Dracula because legend being we" a familiar story. My fondest memory Of ‘t '5 °f_the moment of realisation of the solution, had me for a Wh'ch been "9“ng ' th'nk 't was ' fortnight. when realised that was an adventurer foremost. It comes to ”3 allfirst in and mes

t'me'

Mystery Fun House Wh'Ch

another

early Adams game

adventurer s

an develops senses and sensrbilmes.

secret

agent sent to investigate house'to rescue blueprints (shades _°f Circus from Channel 8 here). Unlike Roger Moore or Sean-Connery however, you have very “m'ted resources, so much $0 that. your f'fs" attempt to 93'" admittance wrll get you thrown out on your ear, still wincing at the pun that accompanies you. With a bit of adventuring ingenuity you can find enough cash to get into the house, having to hang on to your ticket to appease the bouncer, and you can begin to explore the complex. Weird goggles, a trampoline and a rapidly spinning calliope conspire to confuse and compound the problems. _Y°“ are

fun

Adventuring |—— ————-—————-——————i "_ Eventually, by springing into action remembering the words of a rather English song, all the pieces should be falling into place, especially since you should have been kind to the mermaid by now. Eventually your search should take you back to square one for an explosive finish indeed, if you have not taken the necessary precautions, more explosive than you might have wished. Mystery Fun House proves that it pays to examine everything, from a variety of angles and with a degree of imagination. Adventurers have to learn that not everything is as it seems, and that objects have more than one use. Fun House is an to the introduction excellent deviousness of mind required to and

—

succeed.

Nowaword aboutthe new Level9 adventure system. It sounds quite a feat of programming to get a multi—tasking adventure system with complex sentence analyser, graphics, the usual huge spread of locations, and, at last, proper type ahead facility to save tediouswasting time when heading across already in to a cassette explored terrain based adventure. I've seen one interview which says level 9 are going lnfocom hunting. A laudable objective, and this can only —

GLlTCH of the MOch comes from Andrew Lord of Benfleet in Essex. He has found an amazingly persistent guard in The Pay—Off, from Atari/ Bignose Software. When he drugs the guard, he can drag him all over the place, even down into the festering sewage “1 the town centre. Return to the desk in the bank and try to take the °°ffee from it and immedi— ately the guard awakens and hastens back to arrest you. A T shirt on its way to you Andrew, and try not to be so light—fingered. If you haven't got the gem yet, try going downstairs and through the chamber. If you cannot get throughthe chamber then you need to examine more a little an office

carefully.

be good for adventurers the world over. I shall be reviewing, the Worm

—

in Paradise, the first game to usethe new system, in next month's issue. Speaking of Level 9, see have been taken to task in Nugget, the Norwich User Group magazine, both for my failing to like Red Moon, and also the heinous sin of publishing the l

.__—._-

HOUS E i

‘ J

Guide.

,__

’

Well to be fair, did tell anyone who was reading in sequence that was about to do exactly that,and that if they wished to avoid the answer then they should jump to the next section. Presumably therefore, only those people who wanted to know the answerthen proceeded to read it (and thesolutionwastheanswertoa desperate plea from many people). Of course, some people who are less strong willed, or who were seduced by my writing style, may also have read on, but think they would be the minority—especiallythe latter. However if anyone was unwittingly informed, apologise. Perhaps you could write in and suggest ways of solving the problem of passing on hints. Cryptic comments or a code? I

’

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everyone has to like

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everything they do. In the case of Red Moon disliked the combat system and found that the graphics were pretty but unatmospheric. it's my opinion. Feel free to differ. Next month, as mentioned, l'll look at The Worm in Paradise and also Asylum. Note that they both have graphics. My New Year's resolution is holding up so far!

their opinion, and mine remains as published. I'm sorry if L of Nugget didn't like it, but if we all liked the same things then it would be a pretty boring world. Level 9 are the premier British adventure writers at present. That

44; z

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You tell me. On the part of Red Moon, and the Nugget assertion that they "don't knock a damn good game", then that

‘

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does not mean

,E__._

January 1986 ATARI USER

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SOF I WARE .

of Eu rope s leading 68000 systems houses and an authorised Motorola consultancy, we know a thin g or two about developin g 68000 software. Now ou r own G EM software development tools are available to end users on the Atari ST As

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GST H'gh'I-evel Macro Assembler GST-ASM“ is a full Motorola compatible 68000 macro assembler with advanced features (including high-level control flow instructions and very powerful macro facilities) and extremely fast throughput, The package includes:

68000 macro assembler Linker GEM Screen editor Menu-driven “shell" High-level instruction macro library (IF, WHILE, REPEAT, CASE, etc.) 0 Comprehensive user manual

Crafts HiII 0954-81991. Telex 81113 PMPROF F ax 0954 - 80318

GST-LINK“ is supplied with GSTC“ and GST-ASM“ and enables separately compiled

probably the finest 68000 assembler on the market for any machine and represents an unbeatable combination of price, performance and facilities, Itwill appeal to all end-users: from the beginner who wants an easy-to-use system, the hacker who wants the fastest assembler in the galaxy, to the professional who needs a sophisticated macro assembler to develop realtime software products.

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SOL GUBER presents a mlcro verslon of the logo game

whlch

develops a player ability to plan ahead ,

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THE Atari can be used asavery

asking if

good teaching tool, but it can also remove the drudgery of playing games.

needed. It then asks the names of the two players. The names are entered into the micro and Return is pressed. The first initial will be used to fill the squares as they are won.The two players can have the same first initial since they will have different colours for the squares. Two joysticks are needed slot for player and slot 2 for player 2. Each player will know when it is his turn because his name will be seen on the bottom of the screen with the score. Using the joystick each player moves a circle on the screen from one dot to another. The circle cursor will not wrap around the screen nor will it move over the edge. When the cursor is over the dot for the first partofthe line, the player presses the trigger and a

A very

good paper

and pencil

game of logic is called Dots, where the object is to teach the ability to look ahead at moves. The game is

of dots

quite simple.Agrid

a piece of each person in turn draws a line from one dot to a neighbouring dot. The lines must

placed on

paper and

bein horizontalorverticaldirection —

diagonal

allowed. who draws the last lines are

The person line of a square is allowed to put his initial into it and take another turn. The person with the most is the winner. This version is very similar.

squares

instead of paper and pencil we now. have a screen and two Joysticks. The program starts by

46 ATARI USER January 7986

instructions are wanted.A

Y or N answer

—

-V

,M_

/ ,

beep is heard. The joystick is then moved to the spot forthe other end of the line and again the trigger is pressed.

Again

a beep. legal move a line is drawn on the screen. If the ends of the line are not neighbouring dots, or are not vertical or horizontal, there's a beep. If the line has already been drawn againabeep is If

it is

heard. If the line completes a square,the person’sinitialis put on the screen.

There is an option forone player the Atari. At the start the of two players are entered. of the names is COMPUTER then the computer will play. A question about the level of play is then asked. The micro will play at five different levels of difficulty from to 5. At level most young children will be able to beat the versus names If one

H— _____—___—_————————‘_—_—_-I 4/——————Iki—

H ow

’

lt 5 clone...

THE programming of Dots Square is straightforward, but let's look at how one makes a computer into a good opponent. Firsr, consider data

storage. In the Atari there are two kinds of

variables, string and numeric.

Numeric variables do not end in $ and take six memory bytes for each number. String variables take only one byte and can haveavalue ofO-255in each byte which corresponds to a letter. So for numbers between 0—255 string variables use much less memory and the numbers are stored one after another rather than every six. The translation is also easier. Now people can look at data and see patterns easily. Computers need to be taught how to look for patterns so the data must be in a simple

—

computer form. The computer will always Win if it —

computer, but at level 5 it will play a

very

9°°d game.

When the_comlputer plays, the 1- Wh'le human uses the JF’VSt'Ck Of a move, 't th'hks computer makes sounds to annoy its opponent. A demonstration mode '5 also available. Since the system checks _

only the first seven letters in the name, COMPUTER1 can play COMPUTERZ-The C initial Wi” be a different colour for each of the plaverS- The computer will the” play itself at any level desired. The demo mode game lasts less than five minutes. Each Of the players will move the circle cursor to where it wants to make its move and then a line will be drawn on one side Of that square. h is very interesting to see the two com— puters battle it out.

is allowed to look long enough or hard enough, so there must be some way of handicapping it. The two main methods are by use ofa time limit ora logic scheme that causes the Atari to play differently depending on the level. The algorithm for the computer version takes much credit' from the ideas of Chris Crawford on how a game should be made. The object of Dots Square is to win the most squares by completing the side of a

square.

you win

square

you get

another turn, so that a complete turn can win many squares. The logic of the game is equally simple. If there is a square with three sides completed, then complete the fourth side, and win it. If there are no such squares, then make a line between two dots so that your opponent will not be able to complete on his next turn. if this is not possible then make a move that will give your opponent the fewest squares as he makes his move. The computer plays the same way. When the computer plays it must be able to look at the board and see as a human would. It must be able to see squares that have all four sides a square

completed, three sides completed, and so on. To do this, there must be a simple way to represent the data. Since the computer uses binary notation it was decided to use a variable R$ which contains 100 cells, each cell corresponding to one of the squares of the board. Each cell contains information about the lines around that cell. The top side is 1, the right side is 2, the bottom side is4and the left side is 8. So ifa cell has all four sides around the value in the cell is the sum of it, the sides or 5_00001 l 11 in binary. Thus if a cell contains 15 it is filled and cannot be used. if a cell contains 0 there are no lines around it. From the other possibilities between 0 and 15, the computer can “see" what the board looks like. For the computer to play a fast game it must scan the board quickly, andamachinelanguage subroutine is 1

| January 1986 ATARI USER

move, and for every move after that. When there were only 5 to 10 men left in an end game the moves would

The subroutine has three parts. It starts at a given cell in variable R$ and looks forward through it.

used.

The second part tells the subroutine how many sides in the cell to look for. It can look for cells with one, two or three sides completed.To look for cells with one side completed, it looks for the binary pattern,

speed up.

This type of play is not very good when used for logical games. In Dots Square there are five levels of play, but the computer will play in several levels during a game, depending on both the score and the maximum level that it is supposed to play at. In the higher levels it will play a

00001000, 00000100, 00000010,

If the search is 00000001. cell number is then that successful, returned from the subroutine. If the search is unsuccessful, then a 0 is returned. Now that the computer can see the board, it must have a routine to find moves. The first thing it does is check for cells with three sides completed. It uses the search subroutine, starts with the first cell and checks for all patterns that have three sides completed. If itfinds one,the Atari makes that

better game as the score increases, will not spend the maximum amount of time thinking about the

so it

first move when there are 50 possible good first moves. Towards the end of the game, when the moves become more significant, the best move will be determined. Let's look at the different levels of play. At level the computer makes a move at random. It picks a square, 1

—

move, and goes through the search again. If it does notfind a "three”then it makesamove,andthisiswherethe different levels of play come in. Chris Crawford believesthat there should not be discrete difficulty levels in computer games. It should play at various levels in different parts of a

game.

The computer should not spend a lot of time on the opening moves, when there are a great many possible moves. When the possibilities have become more limited, then the best move can be determined. An example ofthis is seen in one of the old chess computers where the various difficulty levels were deter— mined by the time you allowed the computer to think of its next move. The easy level used two minutes thinking time, and the most difficult level could take up to 24 hours. If the 24 hour mode was set, it would think for 24 hours for the first 48 ATARI USER January 7986

squares

are made.

it cannot find a one or no—sided square it picks a two-sided square to complete at random. Level 5 is the same as level 4, but this time it looks at 10 different two—sided squares and picks the one that will give the least number of points to the opponent. The computer plays according to the level the human selects and the If

number of squares that have been won. For play at level 5, it starts out at level 3, and picks good empty cells or those with one side completed, If it cannot find one, it will revert to level 2. After two cells have been won, then it plays a good game to find the cells that will not give the

best two—sided cell move. In contrast, if level 1 is selected the

computer will play at random until 90 per cent of the cells are completed,

’=.*z=g

three-sided

opponent a good move. It will finally check to find the

, ,

Level 4 does not make random lt searches the whole board for squares that contain no sides and then for the squares that contain only one line. It checks to see that no moves.

/ /

and then picks a side to put a line on. No checking is done of any sort. In level 2 it picks a square at random and checks to see if the square contains either line or no line in it. If it does, then this is the move. 1

If it does not then it picks another square at random. It does this five times and if it cannot find a move, then it goes to level 1 for the move, and picks a square at random.

Level 3 is a little more sophisticated. It looks for a random square that has one or no sides completed, but it does this 10 times. If it finds one, it picks a side to complete. It then checks to see if it will make a three-sided square on the adjacent square, and if it will, then that square is rejected. If it cannot find a good move in 10 tries, it reverts to level 2 and looks for a move. If it cannot find a move on that level then it reverts to level where it will always find a move. 1

and

then will try to pick better moves

if possible.

With level 2, the random moves only until 10 per cent of the cells completed, which gives the computer a better chance to win. In level 4the game starts in level 2 and progresses to level 4 at the end. In effect, the overlap is such that it is difficult to determine exactly the strategy of the computer until most of the game is over. This way it seems more like a human opponent. At the beginning of a game if will be careless, and let the human win a little to throw him off balance. It will play better as the end game starts. are are

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2123,40,25,51,33 OOTO 55,25,49,34,70,25,53,35,05,2 5,33,30,100,25,50,37,115,25,37,30 5120 DOTO 100,41,90,57,115,41,121,50,0 5,40,51,06,100,49,47,07,115,49,44,00 5130 D?T? 70,57,39,75,05,57,53,76,100, 57,34,77,115,57.37,70,130,57,50,70 7000 DIN “NND5(45),S$(125),TR(010),FG( C“ 5110

" 7010 hNNDS?'hhh?hl?m 7020 ODZODIKONNDS) 7030 "TOP 7030:? “WSELEOT LEVEL

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7035 INPUT INIE O(1 00 0)5 THEN 7030 7040 DIF:(?—01)*22:LU4:014(0205)*22 7045 "WP 40000 7105 SUBSTANT21530 7100 SUBEND21030 7110 OOT? 104,104,133,210.104,133,209,

1“ 7112 7114 7115 7110 7120 7122 7124

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104,141,9,,0,104,104,141,100

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91 STEP 0

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mum Ianmu 5000 50500 4000:1=c0:nEsronE 5100 5010 Fun 9:01 to 19:coLon 1:REQD 1.1:9 Lo, x.v 5.20 DIMHTO H4015,V:DRM‘TO H*015,Vf00: ammo x,v+cs:pmno 11,7 5025 IF P210 THEN 1:01

8020 KIASCGS (M) 8025 IF K2? THE! HPOSZXPIWPO‘KYPlfCI: GOTO 12000 0030 IF KZ11 THEN HPOSZHP14’Clt'?‘12YPIf c1:vpos:vp1zsom 12000 0035 IF [213 THEN HP12801§01:HPOS:H91: 12000 8040 IF [114 THEN HPOSZHP110127POS=YP1 :GOTO 12000 0100 KZINT((DIF4SC(CO)*SO(C1))/30) 0110 ON Kiel GOTO 0200,8600,9000,3400, YPOSZVPlf01TGOTO

$400,9400 0200 HERND(C0)*09*C1:H=INT(IO 8205 son» CO.M2.010.610 0210 KZQSC(R$(H))7IF K:15 THEN 0200 0220 IF H/OlOIINT?4/010) THEN 0200 0230 NZRND(00)*O4:N:INT(N)2N1=INT125Nf 0-05) 8240 O=U501?DH10NNOS),KpN1)TIE O()00 T HEN 0230 0200 VPIZINT1H/010)f01:H01:H”YP1*010*C 10

0270 ON N‘Ol GOTO 0310,0320,0330,0340 0310 3100531191401:YPOSZYP1:GOTO 12000 0320 HPlzxpl’Ol?mof?xl’li??OS=VP1’01:G 070 120“ 0330 vplzvpuu:xpos:xv10c1:vposzw1:c am 12000 0340 NPOSZle:YPOS:VP1*O1:GOTO 12000 8600 Fun 11:01 to cs 8610 mnubtconswcnmlunmur 11/010

mum/010)

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wc10

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0530 NEHT K1:GOTO 0200 9000 FOR K1101 TO 15 9010 mnuncowawcnmunmnr

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HAVING invested quite a large of money onan Epson FX-80 printer not very long ago I was somewhat annoyed to read about the full colour Okimate-10 that had suddenly appeared on the market. Now realise that the two are somewhat different animals and could be said to complement each other. Nevertheless think would have bought the colour unit first, as my primary use was for dumping graphic screens. then realised that had, sitting in front of me,afour colour printerin the shape of my 1020 plotter. It just remained up to me to make it print pictures instead of nice graphs and line drawings. When run, the program asks for a picture file name. This must be any Am'c "3°“. 14 (G'aph'cs 75’ scree” saved '" “nary f°fmat- F0“ 9809“? I

save

that

is on

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how to get much

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sum

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will

suitable for this program.

colours that you want the picture drawn in. These will be in the same order as the four colour bars alongthe Micro—Illustrator menu page. As soon as the last colour is entered the file will be loaded and the picture will appear on the screen, so make sure that the correct disc is inserted and that the plotter is turned on, because it will start printing immediately the picture appears. It is about here that can hear someone saying: "Why isn't the actual dump portion, at least, in

machine code to speed up the process?" Basically we

the actual code. The program is thus

fairly self explanatory, with the

limited to the

are

‘

possible exception of the trap in line 770 and the reason for moving the screen. My 1020 has a habit of stopping and not responding to any input after about an hour of plotting. This leads

that the plotter can run at, and believe me it is slow. It takes about ?ve hours to run one picture, so tend to set it up before go to bed and by the morning it has all happened. have, in fact, run a compiled version of the program and it took exactly the same amount of time to print the same picture. An early version of the program ran over the picture once, changing pen colours each time they occurred but this took nearly twice as long as the second version that runs overthe picture four times, once for each colour. To speed up typing and save memory all the REMs can be removed there are no references to them in speed

toatime out errorandthetrap simply feeds the flow back into the plotting

routine. Another way to speed up the plot, if you are there when it stops, is to press the Break key and then type GOTO the line number that the program broke at. This, of course, will destroy the screen and hence the reason for reserving space right at the beginning to protect the screen. |

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1&3,

HAVE discovered a rather annoying bug in the Revision B Basic on my BOOXL. / have spoken toAtari Help—Line who could not assure me that this particular bug has been ironed out in Revision C. It occurs when using a numeric array. The first time an array is dimensioned and values given to the elements, everything works as it should. However if/ try to clear the array with the commands CLR or RUN, the array is undimensioned as expected, but if the array is then re-dimensioned, the original values are present in the elements of the array. Has anyone come up with a routine that will quickly and

re-invent the wheel, here

efficient/y clear the array proper/y? My only solution so far is to use a FOR. NEXT loop to ,

even ones,

—

with several smaller J. Ellis, Bury.

Q The bug you mention is not so much a bug as a limitation of space.

To fit

everything they

wanted into 8k the authors of BaSic had to leave some and one of those things out was auto-zeroing of strings and arrays, although normal variables are zeroed. When you type CLR the space allocated for anything you have DIMed is freed, but the contents remain intact. Thus the next time you set up

Atari

—

array

s a c6

simple. At the start of your program, work out how much

memory

have,

you

allocate a string (or two strings if there is more than 32k left) to fill the whole of memory, them with zeros a nd fill (ATASCII Ois Control-Comma, the little heart), Then CLR the space again and continue as normal. Any array you then DleiII be allocated into your newly— cleared RAM. For example:

string the

previous data is still present. The cure is remarkably

to A=FIE(I):IF nun.

"l:- lza—uua:

S‘xzm?zzr?fmsf??sm as...“ 30

ml .5 um mm If m "i- m ”mammal

gram / was amazed how easy it was to break into the program using both keys. When I pressed the Reset button / quickly pressed the

Break key as soon as the familiar blue screen appeared, and / was confronted with a ”Stopped at line 500" message, thus enabling me to list the program with ease. I hope / haven't dishear~ tened readers who have been

using this since

number to

jump levels.

lama800XL ownerbutl'm afraidits not an open secret to me to jump levels on Miner 2049er. Please tell me how. Also could you perhaps tell me the virtues of a track—ball P. against a joystick. Halliwell, St. Helena. 0 This “feature" is really for -—

demonstrating

the game only,

was

“m or iron man um

This

System

that

means

Reset in a

program using both the protection system and the disc drive

willcauseanyfurtheruse

of the disc drive to generate

error. I have

found

a solution

this problem.

As stated in the article, the uses different computer locations for cassette and disc initialisation

when the Reset

initialisation. This is done in the order, cassette initialis— ation followed by disc initialis— ation.

Break key before the program locations 16 and

re—pokes

53774. The only cure for this is to use a small piece of machine code, something which André expressly didn't want to do since that article was meant to

show

PrateCtlon

system. pressing

friends who just run the program, break into It and Darren copy the listing. Granger, London S.W. 0 We know that this can if you catch the happen —

Of course, should you know how large your arrays will need to be you could simplify the above greatly, setting the string to a length of eight characters per array element needed.

However the reset protec— tion routine in its present form disables the disc operating

key is pressed If location 9 contains a 3, it Wi/l do both cassette and disc

Because the protection routine creates an error during the cassette section, the disc initialisation can never take place. To remedy this situation, the addresses should be swapped around. Lines 720—740 in Program/ in the August article should be changed to:

easy—to-understand protecting the system. However Geoffrey McHugh has written in with a small

ways of

program AFTER running Listing / of André Willey's Break and System Reset protection pro-

machine code routine to do this very thing, and since the last thing any good program— mer should want to do is

4ser

not llne to ulnar HA V/NG just read the software review of Bounty Bob bounces back I was intrigued to read about typing in the Big Five telephone

User.

published, bUt / thought they would like to know before they start lending their programs to

—

t.”u:“::£:‘:§_2'm mm, m m mum

* * * WAS very interested inAndré Willey’s article on Reset protection in the August Atari I

ac free

is his

solution:

set all the values to zero, This a very slow is, of course, process With a large array, or

but it has been published so many times before in various magazines that once more won't do any harm. ,However, please remember that the fun of the game is in solving the problems, and you’ll find the game becomes boring if you always jump the levels. Use it only to get to levels you can play up to anyway you have been warned. The phone number is on the front of the cartridge, so just climb Bob on to a safe point on —

the first level, type in the number (digits OHIY no

For the 400/800’ the 52 ,

1 m mm m 1

Missile

212.3 §

controlling

games, using a rotating ball which you roll in the direction you wish to move.

Command, for

example, has a special option which makes the gameajoyto play on a track—ball, but in a lot of cases a joystick is far easier to use.

line 730 shouldbe changed to 64' I a also have WNW?" 3m?” machine code routine which will disable the Break key when Reset is pressed and will then call the TRAP routine in the Basic interpreter. Here is a Basic program to mm” ”7's mum"?!

—

way of

hyphens), and then use the Shift key with the level number you want to jump to. A track-ball is simply an—

other

1,“

I:;“"“'“"“"“'“'“'"“

”mun

::::

?g“

Nil! m

the ShOU/d be:

_ —

“me

phg'mmm,

‘ P“!

m “um“.

400/800’

eoffrey

[me 2

M c H ug h, Co

amiltonstown, Armagh. H

January 7986 ATAR/ USER

no help and neither is the information in the User Guide for the computer.

M 0dlf|3d

memory. To get at it, use:

Frog Jump

0“

HAVE found Atari User very readable and informative. I found Frog Jump in the June 7985 issue to be totally addictive afte, / had made ”7,39 modifications to the program: Modify line 230 to read:

you have Basic-XL. Try it, and then POKE MEM,l and look at the top left corner of the screen.

group

With the section's dealing

Ziggcgngthat/s: Johnson, .

—

Otherwrse the

for

screen.

round

[that/second gar/Mid}?yline 400 4“

S—STICK(.):COL" _

2:1?

d’SP’aY

ls a

little

to read: S(15

TIE!

contact me at the address on this letter.

This prevented the screen going into attract mode ifl had been playing for some time unless the joystick had not been moved. Modify line 1040 to read: um

I to“

/ HAVE "output", do you have ”input" and live in the Cardiff area? If so and you are interested/morning orforming an Atari user group please You may

area.

insulin 0.0.0.0:sm» 1.0.0,

Original/y onlySoundl was turned off, leavinganannoying buzz when playing the higher levels. / am still having difficulty with Bomb Run (July issue). / have modified the graphics subroutine to suit my 400 machine luckily the same issue explained how to do it but the use of the screen —

—

find

even

computer being put to uses that you had not thought of. Look forward to hearing from all you Atari enthusiasts out there in the wilds of the Cardiff

there is 3 Cardiff user group, c/o Mr R. Khan, 322 Whitchurch Road, Heath, Cardiff CF4 3NG.

—

ton-Ie-Willows, Mersey-

side. 0 Thanks for the tips

on Frog Jump. Bomb Run will not run on anything other than a 48k

machine without modification. See Peter Appleton's sugges— tions on Page 58 of the October issue. You can, of course, always ask your computer where its

particular

screen

memory

begins in a given graphics mode. Locations 88 and 89 contain a two—byte address for the current start of screen 56 ATAR/ USER January 7985

0 The best

to do what is to use a separate tape for your data. The main program would load from one tape, and input/out— put its data from the second tape in the form of: way

you're asking

Gettlng DATA taped lHAVEan 800XL witha 7010 program recorder but/cannot seem to record data on to cassette tapes. The recorder manual is of

QWA @ U ‘

®§§1®

“m

m m

or: m," ll; “up; .'.; WNW;

the way that the

pRPNO'Fe statement

also. prints each item Of

commas-between data. Th's '5 because ‘NPPT W°“'d see the "ne as piece of text. onellong f°'99‘ t° “f“ OPEN the ?le as follows:

“hem!“

D9“

computer suspected ’AM 7 3 years old and anAtari 800XL owner. Recent/y, while

/ have been programming the computer has returned errors

where l

03"

see

nothing

wrong. Then if the line is entered 393i" slowly, GXECt/V the same, no errors occur and the program works perfectly.

But in

few

cases

the

returns error 73 in some FOR/NEXT loops where poking is involved. computer

cassette

systems can in one direction at a time, you must read all of the data into an array or a string perhaps using long—strings to simulate a string array process it in whatever way you wish, then

only handle data —

—

Maubog

helps if

Also, having saved and loaded the program

again on

listing the computer will sometimes print the ?rst two

lines of the program and then a jumble of characters. This usually happens when the computer has been on for quite a while. Can you tell me if anything is drastically wrong with my machine, or is it just —

Michael Lord,

Barr—

ington. —

Atari User Europa House 68 Chester Road Hazel Grove Stockport SK7 5NY

It sometimes

change variable names. What difference should this make?

me?

WE welcome letters from readers about your experiences using the Atari micros, about tips you would like to pass on to other users and about what you would like to see in future issues. The address to write to is:

Mailbag Editor

It is best to use a terminator record, such as four asterisks, or all zeros for numerical data, to tell your program when the data is finished, otherwise you'll get an End—of—file error (Error 136) when reading it back in a in, You shgiw ?nd this method a lot easier to use than trying to update data statements within one program.

memory does not work. / presume the screen memory starts at location 40320 in graphics Mode 7 on Mr Waddi/ove’s computer but not on a 400. So far! have been unable to find an equivalent location by trial and error. Could you tell me what the location should be? David Wilkie, New-

?otters Bar.

Raymond Price,

Mandeville House, 9 Lewis Street, Canton, cardift 0 You might like to know that

Basic, you may have to read the numbers into an ordinary variable, and then put it into the array, for example:

Of CUffeht date comparison With a date on file, bUt/ want 10 be able to keep the data fepafdte from the Program, of DATA and

cardl? user

Please can you describe a program to me to allow, say, the input of 20 names and of friends and their addresses birthdays. / have "0 P’Oh/eh? With

output it all to the tape again. Because of a quirk in Atari

0 Soundslike you might have afaulty computer. ltcould also be your Basic giving you trouble, which might be solved by a Revision C. Also be very careful when doing pokes, as these are potentially very dangerous tO your program. The computercouldlock—up because of one wrong poke, and you've lost your program.

On the Whole, though, we would advise having the com— puter looked at, preferably by Atari themselves, or an auth— orised service agent,

Anto run f Ol'

B 38":

programs that

/ can make Basic programs anO W" way

after LOADing? / OW" a 400 7 5k and hope 10 991 either a 730XE 0’ an 300XL~ When typing in /0".9 pm“ sometimes grams my ”seizes Up400, can enter commands when I press but Return nothing hap p ens. Only reset can restart it’ but the same thing happens straight away.

Will an old 410 recorder work with XL and XE computors? I typed in Bomb Run from , your July issue but when Its run the play area goes fuzzy. ls -

there an error in the listing? A I'e MICfOHet and MICIOLInk the same? If I get a suitable modem would I be able to .

communicate with other makes of computer, keyboard to

keyboard

grap lcs pro

3 an

/ AM writing this letter using the new Atari 7029 printer and Home We rd word

/3 there any

—

(Commodore—

n.s. Burke ' Spectrum}? Argoed, Gwent. 0 To make a program RUN after loading save it using the SAVE "C2" option, not CSAVE. _

This takes longer, but allows you to run it with the RUN "C:" command. lf you also protect it as shown in August's Atari User, any other action but RUN "Cz" will crash the machine after loading is finished. The problem you mention .

about lock~ups when programming stems from a bug in the old Revision A Basic. it shows up most often after a lot of heavy editing, and the cure is to buy a copv of Revision C Basic. The 13OXE has this built in, so you may prefer to wait until you get your XE. in the meantime CSAVE your programs regularly if you are editing a lot. On your other questions, a 410 recorder will work with an

processor. I have just run into some trouble and was wondering if anyone out there could help me. I am

trying to get my 7029

print thef

sign in programs that I write myself. The problem is not in getting the pound sign to print, it is in stopping the line feed. The way I do it is as follows:

t;$':::;(:;:'c::s°::;3:55'3323 ’

"INS“

1. mm

is that the in line 20 statement a line feed the causes on printer, so I end up with the on the line. next . amount lm also hawng trouble in t in t 0 ya t H ome Wor d t O The LPRlNT

ry,

problem

print/hboldfaceandunderline. Is this because I m a usmg does 102.9 and HomeWord, not these functions? support If so, is a word there processor that Will support

them?_ . Hawng lust painted out a defect in I must HomeWord say / do ?nd It a very

0 Dealing with your last point first, use the configure printer

including underline and bold (the codes are listed in the 1029 manual). You can use Control—W to write these changes into your

file.

HomeWord

manual and your

See

the

spaces.

Also when using the Atari Writer the ?rst line is always

printed in Herbert

printer manual for further

stone.

details. You could use a semicolon; at the end of the LPRlNT line to pause at that point, rather than do a line feed, bUt this gives somewhat unpredictable results. Far better re—write your p re 9 ram as follows '

m. ml._.,,,,:,,:m

ma “ "I“

Use

condensed mode.

—

Spencer, Maid-

option 3

on the

prime,

2:22]:

3:21:25 52332325? 2: use a printer driver

better still

to configure AtariWriter for use with Epson printers. '

don

which

Whe ics you re know er to, but grap we mean you suspect the-bit image modes, not the little character graphics pictures of lines men cars etc —

“i"m

"""“

’°" "'

insun;cnsun;cnsm;cmsunreins

I. "I!" Him-?" 1. cuts: ems! arm ”I

Ali.

Mum:

I'.

typed

keyboard, which

of time. For lot

Sign try usrng the millili'

'ESC‘

'ESC'

following: Tontrnlrl'

‘

Lupton has found out, LPRlNT . gives odd results in Atari BaSic when used With semicolons. all in the Change LPRlNTs examplesmthe printer manual to PRINT“; (Don tiforgetto OPEN the first, With channel =l=f1,8,0 P: ). OPEN Sh9UI.d the prob— Th'ts) ut if it (sure oesn t, write em, back and us know neitactly let re havmg difficulty what you With. -

Better still, all of your CHR$ numbers can be from the

Dont forget that,

(w;

saves

and an Epson

My problem is printing graphics, because although / have tried the various control codes and examples in the operation manual / only seem to be able to print blank

various styles of printing,

good wordprocessorandconsiderit very good value at £50: S.M. Lupton Jnr, Bagrllt, Clwyd.

7070,Atari 850 RXBOF/T printer.

option on the main menu. This will let you enter the codes used by your printer to do

defa ults

ems

—

lHAl/E an Atari 80_0XL,

With Atari 870 disc drive, Atari

— is no error in the Bomb Run listing, MicroLink and Micronet are quite separe ate (the former being part of Telecom Gold and the latter part of Prestel), and yes you would be able to communicate assuming the other micro also had a modem and both micros had suitable software.

nice informative quality magazine. I would like to make several suggestions an addi— tions 10 your magazine.

Laser disc

going to design something to this standard} so that you could use games like Firefox, Dragons Lair, or is there something already available to achieve laser disc type graphics?

XL/XE, there

link? '

CONGRA TULA T/ONS on

0 Second hand software/ hardware for sale or exchange. O A fuI/A toZofAtarigames (several loose leaf pages) in each issue with an option to buy a binder. 0 An article about laser discs to use with Ataris (are they

MSX users tell me they can use laser-disc based gameson

their computers eg Firefox, Lair. T- Green, Preston. 0 As far as we know there are Dragons

—

no plans to bring out a laser disc interface for the 8 bit Atari range, basically because, with the small number of laser disc players around, there seems little point. There will be a CD ROM device available for the STs, and we see no reason why something similar couldn't be

__“_“__"‘> January 1986 ATARI USER

—

done for the old range, given the customer interest.

However, if the MSX

people think they've got the edge on you because they can spend £300 on laser disc equrpment to play games on, them what you can do show mm Rescue on Fractalus for

v r e THIS letter relates to the recent publication of my program Converse in your magazine. I was very pleased with the way your magazine dealt with it. Thank you. There are however two main follow—up points which should be made.

£15!

Pointers -

on /

pl’llltel's

I have written a short routine to up string speed

THINK the content ofAtari

searching Within the program I enclose the additional

User is very well balanced and the special offers a real bonus. What I would like to know is

—

”Sta/3ththe

lqaded 2323257275150?17,753??? t/ona/

printers, monitors etc. / am interested in purchasIng a pflntef but the market Is 30 Va“ 6,70l Varied] WOU/dnlt know where to start. Perhaps you could run a page on a range Of Atari— compatlb/e pf/"ters COVEf/"g the Various price ranges. -

Also

1“ 1345

m°d“'.e'

they

ve dISCOVGI'ed.

then users

,be

ShOUId

able to mm

real

report.

called J9y5t'0k connectors,

sockets, can be from electronics bought shops or mall order from Maplln. g'pm

N 0 go

cartridge /

BOUGHT an Activision

Star—

master cassette not realising that it wasn't compatible with

my Atari 800XL. It should be possible to construct an adaptor so that 58 ATARI USER January 7986

line deleter enclosed routine can be used for this purpose. Have Converse in memory, type in this routine, then type in direct mode GOTO 32200. the new shor0 Now save tened Converse. versron of I this Will be of use. hope —

D.F. Kmane, Dundee.

”7'“

"LL““5 _

to“ mm: mum“. ms“ an» mm: Imam nmlml

1755

2M. liY? l”,1M,133.2.4,104,113,203,

lu.1:1,zu,104,111,us,u4,1u,2zz,s. 1“,141,221,5,169.1,133,1?,“9,0,183

iiifzttftéii:itzzifiizifkifzifiz 5,204,105,..113,204,24,165,212,105,1 nu nu “1,212,us.zu.ns.o,1n,zl 1,205,211,6,2u,216,1ss.211,2l5,2zl,6,

205,209,no.7,151,197,zrr.zu,2u,m 5,169,043:,zu.1n.2u,n

zuo nu

SQNSUZC)

sacszrsnzllsntu”)

822“ KEVMYAZIM 3211. 90517!“ 2,2:‘! "1" tn ltvunus 1211. run “Lawton-u

$125. 1 “NW! ‘4Z,12:? cmS?ZS):COIT" mu nsxnu mum: “1.11510?

;z:;:'1:’.bn:z7so m:- m

3:2 :: 23.3333: It: zgxuns

it"mzllsl mzvnuzu

31240

‘! DEUIENY

rut-usual"

12st

DEL

sun

Unfortunately the Sam and

— it

Delete the DA TA lines 7900—2 760. The short DA TA

Data llne deleter routlne.

1.0:“10

There are so many primers available, as you've already

port, etc and a b.”ef JPVSUCK "St and bad pomts of the good

DIN

5:23.5'222-355333’“

Bruggen.

inte'faced

Delete all REM lines. Line 7050 delete R$(7 70), Delete lines 1060—7 780.

th? printer they use, together °f h°W " '5 l"““‘ data“ ‘ 85°

—

readers

ex t r a lines s h o uId have b een:

Leaking forward. to your issue here 1” weSt Ian Hill, RAF Germany.

that

L"“""s"'°“

)-ulu:x:o:ll:llsnum,an(csunAnn "” "I" "w mote ”mm“ s"'“" Line 1610 Delete ‘NEXT X'

Zfé/‘ii/zk'i‘z'zW[2,769,222 tiger:

suggestls send us detalls Of

me {751'1'Zgg'szlé12'?'gwr 1600

verse

”WM“

(elates. to an error "7 the Instructions for use Of Con. . W” h t h e commercra ll y

someone or me [f VOUF§€/V93_ Atar/ loyStICk ConneCtofS are available as a separate item.

1035 mmtllzzzmmtuuzzuom n: utuuona ms- cos». lawn-E “S. IS:l$:ll:LEl(l$):P?£ 207,LI-l:l: mum-uozzx:o:x:usnusu,nnttsm) ,»|(l5),n

printed perhaps

discovered, What we d we

ve’s’0n~

The ”COM

0 0 0 0

Lines added to replace slow Basic string searching with machine code search:

gets

coy/d tell

lines

?ppr0p”ate changes

if this letter

Converse program in these addiand make the

type

Instructed to lines 7460 and 7670 Th 6" save t h'Is Up d ate d

Reciter program take up too much memory and memory savings are required from the Converse program. These are carried out as follows: 0 Run the original Converse program to create files. 0 Ensure you have a back-up copy on another disc. 0 You can now save memory by making a short version of Converse which does not check for files, present nor create original files.

can be Iu ed in. / should be most geat‘ggu/ if you would send me details of the best M.R. way of doing this. —

Holland, Wolverhampton.

0 There

unfortunately, at all that a cartridge is,

way (or even cassette or disc, come to

that) designed for any other system will run on an Atari computer. This is because the chips used for each machine are very different, and they all function

under

different

types of

operating system software. So if you have VCS Games Console cartridges, Intel— livision cartridges, Com— modore 64, BBC, Spectrum, Amstrad, or any other com— puter cassettes, or basically anything that doesn't say Atari 400/800/XL/XEor Atari Home Computer System (HCS) on it, then it simply won't work on

your 800XL. Sorry!

normal.

StUbborn Ilstlngs -

You can imagine

HAVE had an Atari 800XL 64k and 707 0 recorderforjust

over two weeks now and so have learned how to complete simple tasks such as writing, loading and running simple programs. Inow get Atari User and in

August's copy I noticed

a a game called Raider 7997, so I thought it a good idea to have a go and try

program for

to program it.

As/amnotfullyusedto

keyboard yet, it took me hours to type in, with

the

a few a few

mistakes along the way which were soon corrected. After completing this task and coming to the end I typed in ”CLOAD", to which the computer began loading as

my relief

and satisfaction

when

computer

back with

came

the

“READY". Then / typed in ”RUN" and the computer came back with "ERROR" 9 at line I 7 70. 80 from this point/ typed in ”List 7710”and the computer duly returned with the aforementioned line. / checked it against what was printed in the magazine and could find —

no fault. So / checked

the “Error" message with my Atari Basic Reference Guide, According to the guide the "Error 9" meant “Array or string dim error". Now not knowing too much about string variables or dim statements as of yet, / put it down to the magazine making a —

Trayton

U se y our micro spee d up your 1g: mall

ompater

Ltd Se rvrces Phone: 061-861 0921 day or evening. .

me on mm

all. incurmgron...“1:1:11:11:11111111111::::1::::1:::.i:::...::.....1........_ £135.00

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§r $114 1,—“

phone

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supplied.

3:13?

included in our prices for SZUST packages. Delivery, installation, plugs, etc, All prices include VAT are

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All dedicated ma azines in stockg Page 6, Atari User

Ring us last and

Egard our for latest imports direct our USA Branch

Checuk

is at"

r—————-——q information about of MicroLmk. Please send me more Telemessagesewice -

and other aspects

y y our 5 p eed -

l l

Name————————__———'

Antlc' Analog

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512

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—

January 7986 ATARI USER

J 59

——————————Mallbag printing errorandl cleanedthe

any Atari with

program. So when

48k.

September’s

magazine came out / was determined to program the game featuredin it, wh/ch was Maze Munch, and! set about if-

And to GUI a long story short, it all happened again. NOW/ am "Gt complaining, bull would like to get hold of the right lines to ?t it into the program. ANY help 0’ advice you could give me would be great, as / would dearly love something that l have listed myself to come Up 0" the screen. I do not

think that it is the a, recorder as

computer

normal cassette games like Pole Position load normally.—

David

Stephenson,

Liverpool.

minimum

If it doesn't, send your tape back to US Gold and ask fora replacement. .

Calhng 3" '

rad") hams .

3" 4m” 800XL a” ’,HAVE ’ ’" a’soa’ad’o amateu” The"?

seems

greatlshortage

of/nformat/on onradlo—re/ated Does

p rograms. anyoneknow where this can be obtained? lhave a RTTY and Morse

tutarprograms but/wouldl/ke

to hear from same

anyone

With the

hobbies. My phone

number ’s Verwood 826763

after or 6'3? weekends. G.W. Glles, Wimborne, Dorset.

“

0 Both games shouldgiveno problems

800XL,

you've almost certainly made a typing error. Our advice would be to check your listing very carefully indeed

8!”ka

Apocalypse WH/LE browsing through the advertisements in Atari User

for Gamesmanship. They had Chuckie Egg for the 32k Atari, but more things were to come. Sunaro Software had Chuckie Egg for the 48k micro. Could you please tell me who is right? Secondly / bought Fort Apocalypse (for all of the Ataris) but it won’t load. lt /

came

across

one

Spare power supplies are available from Atari in Slough, or dealers could order you one. Otherwise, the drive will work ?ne over here. If anyone is contemplating the same idea with a computer, forget it. The TV system used over here differs from that used in the States, so you'd need to buy an American W set too! There are no plans to release Raid Over Moscow in the near future.

8 our “Ute at the Dlsco _

KNOW you always say that won’t run because of typing errors, but / reckon l’ve spotted a real mistake in one of your listings.

programs

are

planning a trip to the USA and as they know about my saving for a disc drive they said they would try to get one for me.

My question is, would it needa transformer or leads etc to make it work on my 800XL H.C.S.? Also, is the game RaldOVé‘f Moscow by US Gold-out on and If cassette'for theAtan not, Will/t be available soon?— .

J_ames Bloodworth, tingham.

0 You

can

Not-

use an American

In last month's Disco pro— grams the only wayl couldget them to work was by changing line 60 to GRAPHICS 7. Once I’d done that, they worked beautifully. ., or did/ make a Am I right,

wally mistake somewhere Tma Beauchamp, Slough. O you Congratulations else?

—

—.

spotted the‘dellberate mlstake ls on its way to you. anda prlze are right Seriouslythough,you the mistake of and was one ours, not Stephen Prince 5.

The Ilmlts for GOSUB WHAT

ff" ”WV

8"? the "1/83

’ tt‘hafh'ZnSrzz?afrfigat

5 0:a To"? emen s

Atari User In issue 2 Of the sound ”NC/e GOSUB _

used_as

Atari

If? "5

a procedure that seeming/y does" 1

have. are the limits for GOSUB as a procedure call? a Also can you

What

suggest rotating 30 p’9g’am for M.B. Rooke. objects?

—

0 Any routine using DATA willfetch the next item ofdata available from Within the program. To change that sequence, simply tell the computer to RESTORE Line—nn, and the next READ willbe ofdatafrom Iine-nn. In the other case you refer to, GOSUEi DEl_.AY, we think you are mlstaklng a variable for a procedure name. DELAY is simply a variable

which

contains

the line

number to GOSUB or GOTO. For example, after typing DELAY=500, the command would translate to GOSUB 500. rotate 3D objects try To _

Atarl_World

3—D

Super—

lf you can still find graphics, any copiesabout. Alternatively there was

(written

excellent

program in in Action!) which appeared Anth magazine, June 1985 (Vol 4, No 2).

. ‘

ere s a ow o

then the tape stops and nothing happens. All my other games load HA V/NG I'USt bOUght the and some ”59 the loading September issue of Atari procedure. / have bought it User, which I ?nd excellent from two shops and Still have value for money, I Should had "0 IUCk' What’s "WWW?” like to comment 0" your C. Hollinshead, St°°kt°"' reply 10 D- Barrows Of Recar on—Tees. about an Atari VHS/0" Of The best for V0“ to do ACO’”30ff'S Elite. _. thing '" b°th '5 contact the Have YOU ever 598" Of ‘cases concerned. we played Elite? /f yes, then companles can‘t “Old detailed information Star Raiders recommending on all the thousands of games as a stop—gap might lead to available for the Atari. some disappointment arin the we assume ”meme “use “from 10 H°.""e"e" {1 Chuckle Egg to be 32k and exchange Atari for (heaven

50 ATAR/ USER January 7986

you could hurt

loads the loading screen and counts down the blocks to 0

Fort Apocalypse should run on

you don't yourself

Amer|can dlsc drlves MEMBERS of my family

disc drive over here, but you must change the power supply m a UK one before using it. |f

forbid/l BBC.

l have

no wish to criticise

StarRaiders./ownacartridge myself and have had many battles with Zylon starships. However it is little more than a good old shoot ’em up game. / feel that D. Barrows yearns for the trading and tactical possibilities that Elite has to offer in addition to the Star Wars—style engagements. Perhaps Jupiter Mission, which / believe is now avail— able for the Atari. might have

been a more suggestion.

appropriate

Anyway, now to my prob— lems. l was interested to see the program for the 7029 screen dump. Perhaps this could be modified for the 7020 printer plotter? lf not, where can / obtain a screen dump for the latter? Please convey a large thumbs up'to all your staff. A . A . R i c ha rd 3 , B a s—

ingstoke.

0 Thanks for your comments. See David Goodyear's 1020 dump program on Page 53 of this issue.

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GIVING

JOIN ATARI

ST software developer ANDREW BENNETT, cur-

for the game about his initial experience of the new machine and gives an introduction to a language we're going to be hearing a lot about — c.

registered software house, supplies a two foot high of A4 paper, consisting of 25 manuals totalling nearly 4,000

a separate task, such as opening a window, drawing a line, changing a colour, checking the mouse and so

Atari stack

on.

Each of these programs, or routines as they are more commonly known, is fully documented in the Gem manuals and can be included in the programmer's programs. Writing a pf09fam therefore becomes simply the linking of the various routines, in the right order, along with some others to perform whatever task the programmer

of detailed information about the ST and Gem, the ST's operating system. Not one of these manuals is hole—punched for insertion into a folder, so this is one of the first tasks that must be completed before any real work can get started. After several hours of frantic hole—punching, it is time to sit back and try to digest some of the information contained in those man— pages

wishes.

Unfortunately this is not quite as easy as it seems, because tasks such as moving a window are not done automatically by Gem, but mUSt be carried out by the program. Another difficulty is the fact that a program must take account of the

uals. This is, to say the least, not at all easy and it can take many weeks to be able to grab the correct manual when you wish to look up one

particular piece of information. Gem itself is made up of hundreds of small programs that each perform

fact thatthe STcan operatein various

?l‘é?fz?,2

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-.-

?ttet‘te “t“????i??fg?a?’”im§§* pf

bttrtrwmmtrtgrrmrr ?’h“1thetf?uf????nt’irt?rfewlmj?lwwgai?i? ??al’lf?i‘i‘f!e'ttirw?ftmm?rlf‘f?;

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p you et more out a your T

his first ST, writes

rently working

M“-

di'

M‘l?‘ltl“Switzer’luprltgre?;..;;l;erre¢,erl

different resolutions number of —the dots on the screen. All this adds up to a computer which is not difficult to takes a long time to get DF09lamr but

to grips With. Although the ST manuals are only available to software houses, and are not particularly cheap, the everyday home programmer need not feel left

OUt_

Durlng the next couple of months several books will appear that will include most ofthe usefulparts ofthe written in English rather manuals, than jargon. The first quarter ofthis year should see the build up towards the of hundreds programs that will soon be available for the Those Of YOU STan Atarl or who owned 4.00 800 their early days wrll recognise d“.”"9 this time delay, as programmers get to grips With a new computer- 88 patient! You won't be disappointed. Along with the documentation Atari also supplies two languages to software houses to develop their assembler and c. programs wrrrr Assem bler, or machine code, is the —

Wage:ISthat the

the ST

in assembler

is a long

speaks

fastest available for it. Unfortunately developing programs

ally and

and

error—

Software houses want to get their programs out as soon as possible and therefore most of them are using the other language, C, to write programs _—_——>

January 1986 ATARI USER

on the ST. C is

nearly as fast as assembler

easier to write and learn.

and

It is a

means that you write your program, save it to disc and then set a program called a compiler loose on it. The compiler

compiled language. This

turns your C program into machine code and then places it on disc as a .PRG file, ready to execute. The compilation takes at least five minutes, during which time the ST can do

nothing else. Writing a program

same as writing Pascal, and if you

these languages easy to learn.

I've included

sions

windows easily from Basic or Logo. The ST, being a complex machine, will have many thousands of words written about it over the years to come. Many of the articles to be written will be supplying hints and short cuts to allow you to get the most from your ST. Let me be the first to give you afew that have discovered during my hours at the keyboard: 0 When you save the desktop you

DISC. The method is fairly simple. First select disc A by clicking on it once, then go to Options and select Install disc drive. You will be presented with the name and letter of the drive. Move the mouse pointer to the name line and click once. You can now backspace over the name and type your replacement. Certain characters, such as the space will not be accepted.

in C is much the one in Basic or

differentiate between different verof the same file. 0 It is possible to change the name which appears under the disc icons on the desktop. You can change the disc icon’s name to, for example, MY

Programming in C becomes more attractive when you remember that you can't use the ST’s mouse or

know either of should be very an

example

program here, complete with explan— ation. If you don't find it too difficult and you want to do some serious programming on your ST you should consider buying a C compiler. There are several available starting at about £50.

are also

savingthe positionofthedisc

icons and whether a directory is on the screen or not. Make the desk look exactly as you want it and then save it. You will find that the desk will now look just the way you want it every time you boot up the ST. 0 Always set the clock at the start of a session. Since the time is saved along with a file, it will help you to

little experimentation will show

you which characters will and will not be accepted. When you have finished entering the name, don't press Return, but click on the INSTALL box. Your name will now appear under the icon and will be saved if you save the desktop.

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as:

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iii! f‘éti a t¢§§£§§§ i ?g? aeggigigfiggs‘iiéggggg?igg?“if" ggwé gig? ?ggggg?gg? W’S‘if?mfmy?”.lfi?Jj??.’ er {an ?xer egg";$1” gees. mgr} .

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FFE

With Gem. 0 Print "ATARl USER" on the

be pressed.

0 Exit. I

Vlff'te

64 ATARI USER January 7986

i”tsmtftis}:S???i?f?????i??zg?gg, sight”?

programs.

timesl changing the 19>“ type every time. ' WaitfortheALTERNATE kthO

given the necessary routines to fit) such things as print to the screen and change text type. Writing it in

wxégg?gsgégggg

C is just as easy as soon as you have noted various differences between Basic and C. I Allvariables and arrays must be de?ned at the start of your

seven

that most OfVOU COUld " SUSPGCt SUCh a program in Basic,

Egg

;

TH'3 example program, when run, W5“ place the 57's seven possible text modes on the screen (see screen dump ab0V8)- in simple terms it can be broken down into the fOHOWihQ steps: 0 Start the program and link it screen

3335

“rm; 5M”

Arrays take square brackets [] rather than rounded brackets 0. The C program can be divided into procedures, which are called in whatever order the A wishes. programmer procedure starts and ends with curly brackets {}. When you run a C program it goes to a procedure called main and executes it. You can mix upper and lower case as you wish. The compiler

£2

“$213

5253

ignores spaces and case. program lines must finish with a semicolon The example program starts with a large comment box. Com-

;

ments in C are enclosed in /* and */. The next ?ve lines are=H=include lines which tell the compiler that it

will need the files enclosed in quotes to compile the program. The files contain de?nitions of the Gem commands. The next seven lines define certain system variables that Gem needs to operate properly. Notice that the maximum size of the array is also defined here. The remainder of the definitions are variables and arrays used by the program. INT

IQMHNHGHNGHHQNNOHHHIQN"?“Hil?i?l?l???i?/ I! Been progree for NARI USER II By findree R. Bennett I! Jennery 1986 -I! irite different text types to the screen -I"OHM!“M“l~lHlH!“Milli“!"il?'i?l??l????li"RNH/ ,

!/ ll i/ r/

" i t_k.y U

i in f

vq_key_slhendle, while lkey_stete

(include 'nerteh.h'

anlude tincluiie finciune linclude

Include

theyjtetel;

I l;

files ll

'nhdeie.h' 'nefine.h'

)

End key_etete

Ii Print string ll

‘9eedefe.h‘

'oehind.h'

printhtringll (

[0 Veriehle Definitions 1!

int int int int int int int int int int int int int int

centrltlZJ;

tert_type[ll=l; I! Drdinery text ll text_typllll‘1i /* 5°” '/ text_typel2]=2; It Grey ll text_type[3l=4; It Itelice !/ text_typel4]=8; I! Underlined l/ text_typel5}=lb; ll Outlined fl text_typelbl=32; It Shedoned e/

Verinus eyetee veriehlee el

intinilm; pteinlml;

intontilZG];

ptmtimlg eert_in[20i; eerl:_nuti57l| handle;

The

(funny;

llueey verieble For loops 0!

It I! ll Ii If

i; key_stete; xres, yree;

text_typel7l; effect; then liorlr etetien

them

of the screen

effect-text_type[iJ;

key II The x and y ree of the screen H firmly to hell! typee of text {I The text effect in question 61 The state at the

i If

'Ateri User'l;

End

print_etring i!

Mneeyl;

yree-neanutili;

eppljnitll; openjorkll; print'string

(

;

nature“);

mango“ fl

eepl_exitll; l If

for key 1!

”make the variable

Rain routine

eeinll

v_epnvnklecrk_in,khendle,eort_nutl; [e Fimi the x and y res of the screen e/ xres=eorlr_outlll;

means

ill-0mm,

hendl e-qref_liendlelhduuy,&dueey,hdueey

I! Bait

eiiect ); vet_efiectlhendle. v_gtextlhendle, (xrelel-Sw,

ALT

fer(idsi?lreorlrjntif?'ili mLinilIkh

End

i<7l i'i‘“

(

epen_eorlt(l (

i ll

“Vii";

integer".

If you look to the end of the program you will see the main procedure. This procedure calls each of the others, defined above it, in order. Let's look at each one in

turn:

appLjnitO starts the program and links it to Gem. This procedure is defined in one of the=?=include files and mustbe called at the start of all your C programs.

opemworki) is de?ned just after the variable definitions and sets up the screen to be used by the program. Don't worry too much about its contents. Handle is a variable which the program

End

llein 0/

keeps to point to the screen. Thex and y resolutions are also passed to the program so that it knows what type of monitor it is operating

with.

print_string(l

is the

most

important part of the program. lts first seven lines set up an array to hold the valuesfor each of the text types. The next line contains 3 FOR statement. C's FOR loops are different to Basic’s, but have the same purpose. The eighth line of priantring, means "start at zero and execute the loop enclosed in curly brackets until equals 7".The loop changes the text type, using Gem's vsLeffect routine, and then_ places "ATARl USER" on the i

screen

certain

line.

waiLkeyU employs Gem's

vq_key_s routine to wait until the ALTERNATE key is pressed by using C's do..whi|e loop. is the last appl_exit() procedure called and it simply tells the ST that the program is over and command can be returned to the desktop, Not too difficult, is it? C is much more like Basic than you might have previously been led to believe. If you do decide to learn C you can obtain more information from several books. Some of the latest ones are tailored for the ST and will also give you information on Gem. January 7986 ATARI USER

CARTRIDGE TRANSFER SYSTEM

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May issue: Profile of Jack Tramiel, preview of the new machines, Attack Squash, Adventuring, Alphabet Train, Hexer utility, Software reviews. Sounds, the 6502. Microscope, Atari Insights regular series of tutorials: Bit Wise, Beginners and Graphics. June issue: In»depth analysis of the —

Frog Jump, Microscope, Sounds, Atari Insights regular series of tutorials: Bit Wise. Beginners and Graphics, special 12 page feature on Communications. July issue: Disassembler, Bomb Run, —

D052.5,17Commandments,Adventur~ ing, Display List Tutorial, Software reviews, PowerFunctions, Treasure Hunt, Keyboard Sounds, Microscope, Insights Regular series of tutorials: Bit Wise, Beginners and Graphics. August issue: ln-depth analysis of the 5205T, program protection routines. Fruiti Gambler, Assembler, Touch Tablet —

programs, firstlookatLogo, Raiderl997, Dos 2.5 upgrade offer, Display List Tutorial, Microscope, Software reviews, Insights regular series of tutorials: Bit Wise, Beginners and Graphics. —

Maze Munch, Data Maker, Display List Tutorial, 68000 addressing modes, list processing with Logo, Software reviews. Insights regular series of tutorials: Bit Wise, Beginners and Graphics. October issue: Computer Canvas graphics program, Updates for the RAW 6502 assembler, 130XE Ram-disc utility, first ST book on offer, Hex/Ascii memory dump utility, Pontoon, Software reviews, 68000 operating environment, Wraptrap, regular series of tutorials: Bit Insights Wise, Beginners and Graphics. November issue: Converse program, Bitwise operator utility, ST graphics examples, ST software list, Guy Fawkes game, Display List tutorial, Adventuring, Microscope, Software reviews, Insightsregular series of tutorials: Bit Wise, Beginners and Graphics. December issue: Check-sum program, Special keyboard characters, Basic XL

JUNE:Frog Jump: Glilde the frog across the road and river to h'5 home In this WSW" Of the arcade ClaSSiC1300)“: Ram Power. U5€the extra 64k Of memory 10 good effect, or use the drawing routines to produce

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JULY: Bomb Run: Flatten the deserted city and land safely. Disassembler. Find out what's going on deep inside your Atari. Treasure Hunt: Use logical thinking to ?nd the treasure. Password Generator. Keep generating passwords till you find one you like. Keyboard: Convert your micro into an organ. Quasimodo: Can you sort out the mess of ropes in the belfry?

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JANUARY: Bells: Help Mr Humpy rescue Esmerelda: Get lt Rightl: Atari User’s own checksum program. Alien Attack: The game to accompany the machine code series. Lister: Make listing programs easy. Dots: Play the micro or another player at this strategy- game. Dump: 1020 printer/ plotter routine. Plus: Freebie of the month Scramble Fighter machine code game. —

You ’11 need nerves of steel and a rock-steady joystick hand to play this month 3 freebie. Can you escape in your Scramble Fighter? Richard Vanner?nds it hard enough, and he wrote it! And remember, you won ’t find it listed in the magazine— its only available if you buy the monthly cassette or disc. See

_::_._;;;r'°“

58 ATARI USER January 7986

'M,

tutorial, Software reviews, Left-handed joystick, Adventuring, Beginners and Graphics.

Then

review, GemWrite and GemDraw, Countdown game, Disco, Display List

of colour, sound and animation makes this early learning game a winner with the children. Sounds Interesting: Drive your neighbours potty with these ready-made sounds. Hexer. Enter, display and run machine code programs with this hexadecimal loader. Attack Squash: A fast-action ame to ke u on ur toes. Reaction Timer. Se? how fast yzzryfeactioz: really am mm Convert denary numbers to binary notation.

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