AtariUser04-Aug85.pdf

A Database Publication

The inside st

the revolutionary

Write Machine cod

programs with our

Vol. 1 No. 4 August 1985

6502 assembler

Atari Logo:

How to get

'et

started with

the friendliest

language of

them all

TULIPS ROSES DAISIES BUTTERCUPS DORLI.

WETA

UM-

Complete

listings

inside

WIDER 1777

Futuristic

Adventure

MITI 'GAMBLER

The ultimate

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a Amrandit dint LA

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Pont

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USER

Writ machine elt,

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6502 assemblet

Man Logot

How to get

started with

the friendliest

language uf

them all

The Atari 800XL is a winner, Frankie

goes to Atariland, the 260 ST and lots

more.

Three ways in which you can get your

DOS 2.5 upgrade

Vol. 1 No. 4 August 1985

Beginners

Mike Bibby continues his series for

tyro programmers. This month he's

varying variables and putting in

inputs.

Derek Meakin

Cliff McKnight

Mike Bibby

Alan McLachlan

Kevin Edwards

Pete Bibby

Andre Willey

Peter Glover

Heather Sheldrick

Mike Cowley

John Riding

John Snowden

Peter Brameld

Managing Editor:

Features Editors:

Editorial Team:

Technical Editor:

Production Editor:

Layout Design:

News editor:

Advertisement Manager:

• Advertising Sales:

Editor in Chief:

Software

The long-awaited Psychedelia arrives

under a different name, there's plenty

for the arcade addict and adventure

fans will need a towel and an antidote

to Vogon poetry.

Editorial:

Administration:

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Published by:

Database Publications Ltd,

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A nalysis

The inside story on the much talked

about 520ST. Can it really be as good

as it seems? Read Andre Willey's

article and judge for yourself.

Subscription rates for

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Graphics

Dave Russell continues his series with

a look at modes 3,5 and 7 —the ﬁrst of

the map modes to receive his

expert attention.

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

mat erial cannot be guaranteed. Contributions accepted for

publication by Database Publications Ltd will be on an

all-rights basis.

t 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 responsible for any errors in articles, listings or

advertisements.

'Atari User" is an independent publication and Atari Corp

(UK) Ltd are not responsible for any of the articles in this

issue or for any of the opinions expressed.

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Road. Crawley, West Sussex AH10 6AF. Tel: 0293 27053.

MicroL ink

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electronic mail and a lot more.

4 ATARI USER August 1985

Contents

Display Lists

Mike Rowe continues his series with

some demonstrations of how to

customise a display list.

Utilit

If your programs

need a little protec-

tion, these routines

from Andre Willey

should provide it.

Touch

Tablet

There's more to

the Touch Tablet than

just drawing. Ken Ward gets

started writing software for it.

Microscope

The length of this program belies its

power. Type it in and see the pattern it

produces.

yo Li

Logo

If you've a mind to turn turtle, Derek

Radburn can recommend Atari's own

version of the language.

Hardware

Mike Cook takes a ﬁ rst bite at the

68000 microprocessor, the chip at the

heart of the ST range.

Game

Assume the role of freedom ﬁghter in

Raider 1997, a futuristic text adven-

ture by David Nevin.

If you think life is just

a row of cherries

you'll want to play

Clive Palmer's fruit

machine simulation.

Bit Wise

Mike Bibby continues his series with a

look at some logical operators.

Adventuring

Brillig looks at English as she is spoken

in an adventure game, there's the

solution to the Quasimodo puzzle and

a new puzzle in which you play the

part of the computer.

Mailbag

Write to us with your thoughts,

suggestions or questions.

Assembler

If you're a frustrated machine code

programmer in need of an assembler,

Roland Waddilove has come to your

rescue.

Order Form

Binders for your back issues, disc

doublers, dust covers for your micro and

a free T-shirt for all new subscribers.

August 1985 ATARt USER 5

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