AmstradComputerUser33-0788.pdf

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August 1987

COMPUTER USER

Reaktor's super

space game

Musical Cheetah,

keyboard capers

Devpac 80v2, amazing

Arnold assembler

WIN: Pogo sticks

from Gremlin

Has the CPC got a future?

What software houses think

Plus: News, Reviews, Pokes, Adventures,

Gossip, Machine code and lots more

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Ofﬁcial Amstrad Home Computing Magazine •

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Ocean Software

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Telephone: 061 832 6633 Telex: 669977 Oceans G

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Mar del Pima

CONTENTS

PEGULAIT

REVI

5 News

8 Gallup Chart

11 Letters

18 Seek and Ye Shall Find

23 Hairy Hackers Haunt

30 Assembly Point

82 LSB

45 Digital

dissection

Ultramon from

Bubble Bus

ﬁnds favour

with Justin

the program

poker.

PROGRAMMING

51 BBC Basic

Anyone who watches TV

programmes on computers will

know that BBC Basic is the most

wonderful language since Logo.

Richard Sargent looks at the CP/M

implementation.

36 Hi Soft Devpac 80

version 2

A better assembler does not make

you a better programmer, but it

does make life easier. Cliff Lawson

creates some code.

55 Cheetah keyboard

A silent keyboard for 1100. What

use is a musical instrument which

keeps all the noises to itself? Well if

it's Midi, it's magic.

61 Software reviews

Thing makes Liz's day, Barbarian

gets things rolling, Metrocross gets

Batman across town, Mag Max

gets even, Hydrofool is in the

swim, Nemesis the Warlock spits

acid and Krakout bounces balls

around.

58 The Black Art of

programming

Not how to program, but how to

write a program, a difference of

design which enables you to code

winning software.

42 Starfox

Ariolasoft bring you, on the Reaktor

label, the latest game programmed

by Rea'time. If you think that's

complicated wait 'till you've

played it.

46 CPC, Future shock

Why are software houses so slow

to convert for the Amstrad? What

does the future hold? Stephen

Graninger ﬁnds out.

39 Gremlin Compo

Win a pogo stick — if you've seen

the games and know the names.

I FTERSAI

Binders and back issues. Let us

make you an offer you can't refuse.

AMSTNAD

COMPUTER USER

Editorial and Advertising ofﬁces:

169 King's Road, Brentwood, Essex CM14 riEF•

Tel

Am st ra d is a re g ist e re d t ra d e m a rk, a n d vyt t h t h e t it le

Amstrad Computer user, rs used wall the petmasion of

Am st ra d C o n su m e r Ele ct ro n ics p lc N o p a rt Of t h is p u b li-

cation m a y b e re p ro d u ce d w it h o u t p e rm issio n , Wh ile e ve ry

effort is m a d e t o e n su re t h e a C cu ra cy o f a ll f e a t u re s a n d

listin g s w e ca n n o t a cce p t a n y lia b ilit y f o r a n y m ist a ke s o r

misprints. T h e vie w s a n d o p in io n s e kp re sse d a re n o t n e ce s•

&wiry t h o se o f Am st ra d o r Am so f t b u t re p re se n t t h e vie w s

of o u r m a n y re a d e rs, u se rs, a n d co n t rib u t o rs. M a t e ria l f o r

publication is o n ly a cce p t e d o n a n a ll-rig h t s b a sis, We re , re r

that Am st ra d C o m p u t e r U se r ca n n o t e n t e r in t o p e rso n , .

corresonnclence pAvratito Ltd 1987.

)

Telec om Gold: 722114AG021

Published by Avralite Ltd, 36/38 St. Peteregate, Stockport SKI 11-IL

News t ra d e d ist rib u t io n : D ia m e n d -Eu ro p re ss Sa le s & D ist rib u t io n L t d ,

Unit I , Bu rg e ss R o a d , N yh o irse L a n e , H a st in g s, Ea st Su sse x T N 3 5 4 N I ? .

Tel: 0 4 2 4 4 3 0 4 2 2

The ofﬁcial magazine for all

user s of Amstrad computers

Cove

, p

Editor: Simon Backman

Advertisement Manager: Jena Nolan

Advertisement Assistant: Lorraine Day

Page 3

Amstrad User August 1987

Runs on the sensational new Amstrad 1512 PC and IBM PC compatibles.

Over 1000 sites have proved this software over the last 4 years.

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Order details

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Snip Accounting Suite E99.00 + VAT

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OFFICE

Amstrad launches

new PC

Amstrad has ﬁ nally unveiled the PC

1640 ECD range of IBM compatible

PCs. The existing range of PC 1512s

will continue, with the new 1640

costing a bit more.

The PC 1512 has been criticised for

its inability to accept an Extended

Graphics Adaptor (EGA). The PC 1640

offers original EGA as standard. Three

models will be available, although

initial shipments will only feature the

top of the range systems.

The PC MD has a Hercules graphics

card compatible monochrome resol-

ution of 720 by 350 and the PC CD has

three graphics modes offering 16

colours with a resolution of 640 by 200,

two colours at the same resolution and

a standard IBM mode of four colours in

a 320 by 200 mode_

The most, expensive machine is the

PC ECD. This provides four graphics

modes, 16 colours from a palette of 64

at a resolution of 640 by 350, 16 colours

at 640 by 200, monochrome 640 by 200

and again the standard IBM four

colours at 320 by 200.

These standard graphics options

have resulted in the omission of the

1512's special 16 colour mode. The PC

1512 was unusual in offering two

operating systems, Dos+ from Digital

Research lived in the shadow of MSdos

and has been dropped from the system

discs supplied with the 1640.

Otherwise the 1640 is much like the

1512. It has a Microsoft mouse as

standard, an 8Mhz 8086 and a good

deal of bundled software. MSdos and

Gem have been retained, along with

Locomotive Software's Basic2.

The prices reﬂect the added cost. of

the high quality monitor_ No details of

the PC MD or PC CD were available at

the time of going to press, but the ECD

prices are:

The single drive ﬂoppy system costs

E99 and with an extra drive E.100 more.

The very top of the range 20Mb hard

disc will set. you back £1199. This may

sound a lot more expensive than the

existing 1512 range, but the

comparison is not really fair. An EGA

board for other makes of PC often costs

E150, and a good monitor is very

expensive.

Amstrad have gone to great lengths

to appease large companies by

including two fans and a three wire

mains lead with the new machine.

Amstrad User August 1987

Amstrad's latest, the PC 1640

New faces at the big show

THE Amstrad show has been a

complete sellout to exhibitors_

The demand from companies has

been so great that organiser Data-

base Exhibitions has been forced to

add 14 additional stands to the

original 80.

Even this has left more than 20

would-be exhibitors waiting in the

hope that someone will drop out

before the opening of the three-day

event on July 10.

"We've tried our best. to accommo-

date people but unfortunately a

number are going to be disappoin-

ted", says Derek Meakin, head of

Database Exhibitions.

All this in spite of the fact that the

organisers moved the show from the

Novotel to Alexandra Palace to

provide an additional 50 per cent of

exhibition space.

It still fell far short. of meeting the

overwhelming demand. This has

been partly due to companies who

have only recently jumped on the

Amstrad bandwaggon. Almost 25

per cent of the exhibitors this time

will be attending their ﬁrst Amstrad

show. Details: Prrge 10.

Page 5

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