AcornUser182-Jun97.pdf

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Essential for all users of 32-bit RISC OS computers

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Play the first

3D arcade

game for

R I S C OS

machines

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Hord disc hookup to ZIP drives

Year 1000 correction for INC Hester

Lotest 3D software from our series

Plotting sprites in windows, Dun the Disc

on frequency analysis end all the 'INFO programs

• Plus more extras lot you to use

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'PECIAL FEATURES a l l th•

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June 1997 I s s u e 182

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Art Works

TurboDriver

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StrongARM ,s a trademark of Acorn Risc Technologies.

StrongARM Graph above shows:

Speed comparisons between a 166MHz StrongARM and a

33MHz ARM610 Risc PG.

On the left: Time taken tor ArtWorhs to redraw the well

known mini illustration

On the right: Time taken for TurboDriver to print a 2.2Mb file

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Music 8t A u d i o

Our new bi-monthly page

S: June1997

Subscribe now

Fantastic new subscription offers

See page 78 for more details

Breakaway w i t h fun

Inspiration for the reluctant

mathematician

• regulars

News

j i A l l the latest happenings in the Acorn

world

Cover disc

--t• P l a y Apocalypse, the 3D arcade game.

There's also lots of exciting extras on

disc two

Graphics

COMMS

New Acorn driver imminent

(iands-on at Bansyeo BBS

Public Domain

Special f e a t u r e o n PD p r o g r a m m i n g

tools

• reviews

Snap happy

Game Show

Quake on the Acorn? Find out more

Photo fun - four digital cameras

compared

PC page

Software for young learners

Back issues

Managing Editor Pam Turnbull

Editor Steve Turnbull

Assistant Editor Karen Peach

Art Editor Stuart Cripps

Sub Editor Alan McLachlan

A chance to buy any copies of AU that

you've missed

Free ads

Our free service to help you buy and

sell your Acorn goodies

E: I

Dave Acton, Ian Burley, Mike Buckingham, Mike

Cook. David Dade, Jack Kreindler, Dave Lawrence,

Rob Miller, Steve Murnford, Graham Nelson, Geoff

Preston, Jill Regan, Colin Rouse, Greg Scott,

Stephen Scott, Mike Tomkinson, Stuart Tyrrell,

Paul Wheatley

Group Advertisement Manager

Elaine Prescott

Account Manager Ian Antrobus

Account Executive Carl Jackson

Ad Production Barbara Newall

Ad Typesetting Eddie Burke

Marketing Manager Steve Tagger

Marketing Assistant Jane Comber

LItERS

e Development Manager

Victoria Quinn-Harkin

8ve,

8 ,

Letters

Air your views on the pages of AU

Multiple personalities

How to switch between StrongARM

and earlier processors

A U talks to Rachelle Smith o f

Spacetech

The Regan Files

Amnesia and Grasshopper

Two suites for writing action games

reviewed

• hands on

Rambles through Acorn

Wood

Your technical questions answered

•features

Pitfalls on platforms

An Acorn users experiences n a multi-

format environment

*INFO

More programs, hints, tips and

graphical offerings

Reverse pressure

A case study of a business that uses

Acorn computers

Production Manager Alan Capper

Circulation Director David Wren

Distribution COMAG (01895) 444055

Subscriptions & Back Issues

Database Direct 0151-357 (275

Email: database@dbdirect.demon.co.uk

Managing Director Ian Bloomfield

Cover Stuart Cripps

Member o f t h e A u d i t B u r e a u o f C i r c u l a t i o n

Acorn u s e , is a n i n d e p e n d e n t p u b l i c a t i o n a n d A c o r n Is

•

responsible f o r a n y o f t h e a r t i c l • s t o t h i s issue Or

for any o f t h e o p i n i o n s expressed

Follow the h u m m i n g

N . Plotting an audio frequency response

Acorn v i r t u a l i t y part 3

The graphics pick up pace in the next

stage of creating a 3D game

Introducing the ColourTrans module

f o r yourself

Free a d s

To p i c k u p a b a r g a i n

look o n t h i s m o n t h ' s c o v e r d i s c

•education

4 7

d i t o r

page

i a

educational snippets

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Type i t right

Two ways to help the young with

keyboard skills

4 0

r Software access for switch users

S w i t c h t o HotSpots

A varied time-table

Take a look at a variety of educational

software

Next month in Acorn User

We test out the new A7000

plus review the awaited

TopModel 2 package. There's

all the regulars and

much, much more

Next issue on sale 12 June 1997

June 1997 Acorn User

Advertisers

index

See page 45 for details

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j news

Z Acorn reveals new A7000

-I-he two-year-old Acorn A7000

entry-level RISC OS computer is

to be replaced at the end of

May by a considerably updated

model, called the A7000+.

Externally similar to the old

A7000, the new version has a

completely new processor, the

ARM 7500FE and more efficient

EDO memory. The processor

alone should deliver an approx-

imate 50 per cent performance

improvement as it is clocked 50

per cent faster than the old

machine at 48MHz.

The FL version of the 7500

chip includes hardware floating

point, so programs dependent

On intensive floating point

as E,..1''

o, 44 65

* 34 08

The death of the

Pocket Book?

The signs are that Acorn will not

continue its long association with

Psion, through the badge-engineer-

ing of the Psion Series 3 as the

Acorn Pocket Book. Nobody is

suggesting the Pocket Book has

been unsuccessful, but now that

Xemplar is handling Acorn's educa-

tion business, there is less incentive

to promote the Psion as an Acorn

branded product. The new Series 3c

model will not now be branded as

a Pocket Book, either. Instead it's

likely Xemplar will choose to sell

Psion-branded Series 35.

calculations like ray tracers and

some CM) applications, among

others, will show a large gain in

performance. Among applica-

tions of this type which benefit

will be Java applications, so

Acorn's n e w RISCate Java

virtual machine should run

well on the A7000+.

RISC OS 3.71 ships with the

A7000+ in 4 megabytes of page

mode ROM a n d there is 8

megabytes of EDO RAM on the

motherboard a s standard,

which can be expanded to a

maximum of 128 megabytes

via a single on-board expansion

socket. The faster 7500 proces-

sor a rid more ell icient EDO

RAM enables higher bandwidth

video performance, w h i c h

means bigger and more colour-

ful screen modes. 1024x768

pixels in 256 colours is now

available or 800x600 in 32,000

colours. 1280x1024 i s also

possible using 16 colours.

Other specification changes

include a I : M b hard disc

instead o f the old model's

540Mb model and the optional

CD-ROM i s n o w a n 8 x

performer instead of 4x.

At press time Acorn had not

yet finalised prices, but the hint

is that the new A7ONI+ will be

priced similarly to the out-

going A7000.

WimpBasic version 1.03

dares WimpBasic, the easy-to-use

WIMP programming environment,

has been updated slightly. The new

version 1,03 includes bug fixes,

corrections to the manual and extra

tutorials. Registered users can claim

a free upgrade which can be down-

loaded from the WimpBasic Web

site at www.treknet.isiwb/

dares Micro Supplies

Tel: (01606) 48511

Fax: (01606)48512

e-mail sales@clares.demon.cauk

or check out www,stcol(ac ukiciares/

Down at the RISCafe

Comdex Japan last month was the venue for Acorn

to unveil two major enhancements to its Network

Computer product strategy; a Java virtual machine

called RISCafe and X Windows compatibility

through an enhancement to the RISC OS-based

NC OS operating system called eXtend.

RIS(:afe is an important development because it

confirms Acorn's commitment to fully supporting

Java, something it has not been able to demonstrate

practically until now. The eXtend feature is impor-

tant because it enables users of Acorn NCs to run

Microsoft Windows applications hosted by suitably

configured Windows NT servers. It's thought that

eXtend, which is ROM-based, makes the Acorn NC

the first Oracle-compliant Network Computer (NC)

to feature integral X Windows compatibility.

Acorn's implementation of eXtend X Windows

compatibility on its NC answers one criticism that it

is not able to nm Windows applications. Granted,

you need a fairly powerful Windows NT server to

run these applications, but it's now perfectly possi-

ble. The ability t o r u n X-compliant U n i x

applications is an added bonus.

RISCafe is a much-needed development, signalling

that the Acorn NC will be fully Java compliant.

Although a Java interpreter was present in earlier

Acorn NC versions it was a relatively simple affair

and Acorn NC demos largely involved running

familiar RISC OS applications. RISCale changes all

that. Acorn's RISCafe Java Virtual Machine is based

on the Java 1.0.2 JDK (Java Developers Kit). This

release of RIS('afe does not yet feature a JIT (just in

time) compiler, but Acorn has already begun work

on its Java 1.111)K implementation and intends to

release a JR compiler which will further improve

Java performance.

Commenting on the new technologies Mark

Phillips, marketing manager for Acorn Risc

Technologies, a division of the Acorn Computer

Group said: "Devices which are able to offer high

functionality at a loss' cost are always likely to be

popular. Using these new technologies, Acorn is able

to offer a high performance operating system

together with access to Java and Microsoft Windows

separately or in the same device. These devices will

consume little power and will require a very low

memory footprint. Several manufacturers have

already declared an intention to use this technol-

ogy."

He added: We have always said that PCs and NCs

would co-exist — it is clear that there are many appli-

cations that do not require a PC and we are

demonstrating that customers can buy NCs with

confidence that they can continue to run and

manage familiar applications. The benefits of

Network Computers and support for established

applications need not be mutually exclusive".

There are grounds for optimism that RISCafe and

even eXtend will eventually be made available by

Acorn for general use by non-NC Acorn users.

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ARM buys into mass

storage company

ARM Ltd has taken a 45 per cent

stake in Palmchip, a US company

specialising in mass storage device

design consultancy. Palmchip uses

ARM CPU cores in its highly inte-

grated electronic controllers for a

variety of storage peripherals.

Through the use of ARM technol-

ogy, Palmchip controllers need only

a single processor compared with

more expensive dual-processor

designs from competitors.

"We believe ARM-based mass

storage solutions are ultimately the

most cost-effective and offer the

quickest path to market, and our

investment in Palmchip will enable

ARM, through its partnership, to

prove this," said Robin Saxby, pres-

ident and CEO of ARM.

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Acorn@heart

We've had 'Intel Inside' and 'Arm Powered' and

11 OW Acorn is getting i n on the act w i t h

"AcornOlheart". Kevin Coleman, head of corpo-

rate affairs at Acorn, commented, "Acorn is

working on a new logo and strap line to be used

by third parties who license our technology.

Acorn have come-up with a concept that third

parties have agreed to use on their products."

This is likely to be the slogan AcornOTheart.

There are indications that Acorn partners in the

UK, USA and Japan will be using this slogan in

logo form on products and packaging in the

next few months. We will bring you the logo

design once it is finalised.

illialig

1LOAD

o. k

June 1997 Acorn User

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