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NUMBER 6
$2.25
THE MOSAIC 32K RAM FOR ATARI
11"
DESIGN
11"
MATERIALS
11"
SAFETY
11"
GUARANTEE
THE ONLY CHOICE
You own the best micro computer available, the Atari*. At
Mosaic
we've
made Atari computers our only business and
have
made our products the best anywhere.
You've
seen the
advantage of having a 32K RAM board. The Mosaic 32K
RAM is the only board designed to meet your needs now
and in the future too. It has designed-in flexibility to be
compatible with products available in the near future.
See
for yourself, Mosaic is the only choice for the serious
Atari owner.
THE MOSAIC
ADVANTAGE
Works in both Atari 400
&
800
Gold edge connectors for better
reliability
Fits Atari 400 without
mOdification
Custom components for better
performance
&
reliability
Highest quality components for
the best screen clarity
Full year warranty
Designed to take advantage of
Atari 800's superior bus structure.
Can be used with 8K,
J
6K and
future products.
Allows Atari 800 to have 2 slots
for future expansion
Designed so there's no danger of
damaging your computer
Designed for inter-board
communication in Atari 800
Easy to follow instructions for
simpler no-solder installation in
Atari 400
Available companion board (55)
to
allow running 32K board
independent of other boards
Full flexible memory configuration
32KRAM 32KRAMS
MOSAIC
OTHER
THE BEST SCREEN CLARITY
Here's what A.N.A.L.O.G. magazine had to say: "Mosaic
uses, what we feel are the highest quality components,
which may improve reliability." and "The Mosaic showed no
sign of interference and gave the best screen clarity."
AtarJ800
Memory
Configuration
with the
MOSAIC
32KRAM
4BK
RAM
40K W"h
BASIC
C£lrttldge
with
other 32K
Boards
4BK
RAM
40K Wilh
BASIC
Cartridge
Atarl800
Memory
Configuration
Empty
BK
32K
with the
MOSAIC
32KRAM
with
other32K
Boards
Danger/ThIS
(onfiguranon C.an
Damage Computer
40K RAM
Dangerl ThiS
40K RAM
(onfigurCl[lon
Can
Damage (ampuler
~
,.,,"
32K
8K
Empty
Companion
32K
32K RAM
Danger' ThIS
Configuration Can
Damage (ampUle,
40K W"h
BASIC
Carwdge
4BKRAM
40K W"h
BASIC
Canfldge
Dangerl
TIllS
Configurarron Can
Damage Computer
Dangerl ThiS
ConfiguTc?luon
Can
Damage Computet
Now from your
nearest Mosaic dealer
5179 ftS
'7
Direct from Mosaic $189.95
.~InOSAIC
ELECTRONICS
'Trade Mark of Atari. Inc.
P.O. Box 74B Oregon City, Oregon 97045 503/655-9574
Turn To The Future
With COMPUTEI Publications
The Beginner's
Guide To Buying
A Personal
Computer
A Novice's handbook of
useful, helpful informa-
tion designed to teach
you the basics of
evaluating and selecting a
personal computer. Written
in plain English for the
interested beginner. Complete
with personal computer specifica-
tion charts and buyer's guide.
Applicable to home, educational,
and small business buyers.
ISBN 0-942386-03-5. Paperback. $3.95.
Inside Atari DOS
From the authors of the
Atari Disk Operating
System, an exciting step-
by-step guide to the
DOS software. Complete
with listings of com-
mented source code and
detailed explanations of
each module of code.
Author: Bill Wilkinson, Opti-
mized Systems Software, Inc.
Spiral bound for ease of access
to listings. For Intermediate to
Advanced Atari Users. ISBN
0-942386-02-7. Paperback. $19.95
COMPUTE!'s First Book
Of
Atari
192 pages of useful, informative applications and
programs from
COMPUTE!
magazine issues now out of
print. Includes previously unpublished information
including Memory Map. Contents include such articles
and programs as "Adding A Voice Track to Atari
Programs," "Designing Your Own Atari Graphics Modes,"
and "Inside Atari BASIC." Spiral bound for ease of access
to listings. For Beginner level to Advanced Atari users.
ISBN 0-942386-00-0. Paperback. $12.95.
COMPUTE!'s
First Book
Of
PET/CBM
256 pages of Commodore PET and CBM articles from
COMPUTE!
magazine issues now out of print. Includes
such classic articles and programs as "Feed Your PET
Some Applesoft," "Disk Lister: A Disk Cataloging Program."
and "Cross Reference For The PET" Spiral bound for
ease of access. ISBN 0-942386-01-9. Paperback. $12.95.
COMPUTE! Books
invites dealer inquiries. Call the Toll
Free Number below for Dealer Information.
AlARI is a registered trademark of Atori. Inc.
PET and CBM ore trademarks of Commodore Business
Machines. Inc.
........................................................................................................................
To Order COMPUTEI Books
send coupon to
Please send me:
Quan.
_
_
_
Price
ShIpping/Handling
Beginner's Guide
$ 3.95 ea.
First Book 01 Atarl
12.95 ea.
19.95 ea.
InsldeAtarl DOS
First Book 01 PET/CBM
12.95 ea.
COMPUTE! Books. P.O. Box 5406. Greensboro, NC 27403 USA
For fastest service. in the US call
+
Toll Free 800-334-0868
In
NC
call
919-275-9809.
All orders must
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-----.J_ _
..........................................................................................................................
NOTE: ATARI® is a registered trademark of ATARI, INC" a Warner Communications Company
and all references to ATARI® should be so noted,
1982
A.N.A.L.O.G.
400/800
MAGAZlNE'M
THE MAGAZINE FOR ATARI'COMPUTER OWNERS
NUMBER 6
,... A.N.A.L.O.G.
STAFF
Editors/Publishers
MICHAEL DES CHENES
LEE H. PAPPAS
Managing Editor
JON A. BELL
Contributing Editors
MARC BENIOFF
TONY MESSINA
DR. GARY ROSE
MARCIA ROSE
Editorial Assistant
AMY LYNDE
Asst. Art Director
BOB DESI
Technical Division
CHARLES BACHAND
TOM HUDSON
CRAIG PATCHETT
Software Development
LEE H. PAPPAS
Software Marketing
SHIMANE ODERKIRK
Software Distribution
PATRICK J. KELLEY
Advertising Manager
MICHAEL DES CHENES
Typography
HENDRICKX
&
LARRIVEE CO., Inc.
Production/Distribution
COLONY PRESS, INC.
Contributors
Sol Guber
Indy ATARI Club
Peggy Knoble
Rick Messner
Robert Meyer
Phil Mork
Regena
Robert Rochon
David
&
Sandy Small
Joseph
T.
Trem
Henrique Veludo
A.N.A.L.O.G. 400/800
Magazine Corp. is in no way
affiliated with ATARI.
ATARI is a trademark of
ATARI, Inc.
FEATURES/ARTICLES
Using Display List Interrupts
Joseph
T.
Trem
Run BASIC Automatically
Indy ATARI Club
Assembler Code Subroutine Adder
Sol Guber
Pirating! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . . . . . . . . .. .. . .
Speeding up BASIC
Robert Rochon
Variable Lister
Tony Messina
Non-Tutorial V
Charles Bachand
Robert Meyer
A Low Bucks Memory Upgrade
Disk Menu
Henrique Veludo
24
33
34
39
45
46
50
68
70
REVIEWS/PROFILES
Pool 1.5
PacMan
&
Centipede
Intec 48K Board
Assem/Ted
Caverns of Mars
Dodge Racer
Nuke Sub/Galaxy Defender
Crush, Crumble
&
Chomp
Graphics Composer
House of Usher
Protector
Tom Hudson
Lee Pappas
Tom Hudson
Tony Messina
Shimane Oderkirk
Tony Messina
Tony Messina
Tony Messina
Phil Mork
David
&
Sandy Small
Craig Patchett
12
13
51
53
56
57
58
60
62
63
66
PROGRAM LISTINGS
Maniac
Typing Trainer
Rick Messner
Regena
14
28
COLUMNS
Editorial
Mike DesChenes
Reader Comment. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .
Benioff At Large. . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
New Products. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Program Doctor
VCS Update
Lee Pappas
2
3
7
9
21
49
Domestic Subscriptions: 1 yr. 6 issues (bi-monthly) $12; 12 issues $22; IS issues $32. Send
subscription orders or change of address (P.O. Form 3575)
to
A.N.A.L.O.G.
400/800
Magazine, P.O. Box 615, Holmes, PA 19043. Send program submissions to A.N.A.L.O.G ..
P.O. Box 23. Worcester, MA 01603. Office tel. (617) 892-34SS.
No portion of this magazine may be reproduced in any form without written permission of the
publisher. Program listings should be provided in printed form. Articles should be furnisheJ
as typed copy in upper and lower case with double spacing. By suhmitting articles to
A.N.A.L.O.G.
400/S00
Magazine. authors acknowledge that such materials, upon accep-
tance for publication, become the exclusive property of A. N. A.l.O.G. If not accepted for
publication, the articles
andlor
programs will remain the property of the author. If submis-
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~--_.
Contents copyright
@
1982
A.N.A.L.O.G.
Magazine Corp.
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