Commodore_Power-Play_1985_Issue_13_V4_N01.Feb_Mar.pdf

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commodore
March, 1985 <§£ 02289
U.S. $2.50 Canada$3 50 ISSN 0739-8016
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WEPROMISEYOUWON'T
USETHECOMMODORE64
MORETHAN24HOURS
ADAY.
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Viduzzles
It's 6 a.m. Do you know
where your husband is?
It's 8 a.m. Do you know
where your daughter is?
It's 11 a.m. Do you know
where you are?
We do.
We make the Commodore
64,1U thecomputerthat'sin more
homes , businesses and schools
than any other computer.
With its 64K memory, its
high fidelity sound and its high
resolution sprite graphics, it's
one powerful computer. With its
price—about one third that of
the64K IBM PCjrruorthe
Apple lie™—it's one affordable
computer. (In fact, you can add
a disk drive, a printer or a
modem and get a powerful
computing system for just
about the price of those other
computers alone.)
And with all the
Commodore software programs
we make for it, it's one useful
computer.
What can you use it for?
Just about anything you want
to. For fun or profit, for
homework or housework, for
higher game scores or higher
SAT. scores, for words or
music. For all hours of the day.
And night.
So if you're looking for a
computer, it pays to look into
the Commodore 64.
You'll definitely have
enough money for it. Just make
sure you haveenough time for it.
COMMODORE64'
IT'S NOT HOW LITTLE IT COSTS,
IT'S HOW MUCH YOU GET.
663726340.004.png
akingmusicwasneverthismuchfun.
^41 ■
g yourself in a professinn.il recording
studio, manipulating richly muBlcal sounds
from .my of sixteen different instruments.
Imagine creating your own musical compo
sitions, just like it recording superstar. Imag
ine starling as a novice and becoming .i
musit.il master. Now the luluri1 uf musical
entertainment Isascloseas your home com
puter. ..Introducing MELODIAN"
THE COMMODORE-64- COMIWI'IBLE
MELODIAN KEYBOARD plugs rij;lit into
THE MELODIAN RHYTHMMASTER"
software package Starts with your own nat
uralsenseof rhythm...thebuilding blorfc of
music, ..and takes ii to perfection. Meel the
challenge of RhythmMaster as you learn
the busies uf ihythm .ind pitch. irBCk your
progress until you make it .ill the way to
virtuoso.
AFFORDABLE BREAKTHROUGH
TECHNOLOGY...ONLY Sm.90. The
MELODIAN system is the result ot break
through computer design Innovations, in
vented by the same leam who developed
high-tech music systems for recording
superstars, Th.it's why for less than 5200,
you can start ivilh the Melodi.in Keyboard
and ConcerlM.ister and start making music
right jway. KhythmMaster cm be added
tor only S39.9?. And other exciting pre
recorded programs will be available soon.
MFLODIAN products .ire available at
computer and musk1 slates'. Or you can call
Melodion directly at l-800-MELODIA and
charge it on all major credll cards All
Melodian products have a 15 day money-
backguarantee.
yourhome computer. ..and then the fun be
gins. The menu driven display screen lets
you experiment with infinite varieties of in
strumentation .u'd orchestration .ill with
only four simple cuminJnd keys. And the
colorlul UM'r-triundly graphics invite you to
leam the basics of music .it yourown pace.
THE7 MELOD1AN CONCERTMASTER*
software package allows you to record .nut
mtxinutli-lTock music|usl like.< professional
recordingengineer. Put downthebasstr.ick
.ind get it just right. Then .idd guitar, hr^iss
or woodwinds, Experiment with
MELODIAN'S unique ADSR synthesizer
window to custom design your own new
Instrument sounds...and before you know
It, you h.ive a completely new musical ar
rangement. Or you can study the intricacies
of prerecorded musical pieces, note for note
...and then rearrange tliem to your heart's
content.
TM
MAJOR CREDIT CARDS
ACCEPTED
0 198.1 Melodlan Int.
All rights reserved.
CALL l-800-MELODIA
IN NEWYORK STATED CALL
COLLECT 1-212-513-7330
The new, fun way to learn, play and compose music.
Circle Header Service No. 18
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COtiTEHTS
VOLUME 4, NUMBER 1, ISSUE 13
FEBRUARY/MARCH, 1985
DEPARTMENTS
LETTERS
6
NEWS FROM THE FRONT
8
BUTTERFIELD
12
GAME REVIEWS
Space Taxi reviewed oy Howard Millman
D-Bug reviewed by PeterDeal
Oil's Wflll reviewed by IanAdam
Death in the Caribbean reviewed byMikeBums
Popeye reviewed by MarkCotone
Star Trek reviewed by Mark Cotone
Seven Cities of Gold reviewed byJellSeiken
Ptiaroah's Curse reviewed byRobert Baker
Star Ranger reviewed byTed Salamone
Puzzle Mania reviewed6y RobelBaker
16
17
18
19
20
24
28
32
34
36
FEATURES
JOYSTICK LUNATIC
38
WHO WILL DESIGN THE
PERFECT GAME?
JIFFIES
. 66
Hail (or PET and 64 byJerryA. Sturdivonl
Color Intemiptor for the 64 by Harold Droid
1541 Directory AlphObetizer by Louis Sander
Defined Functions on the 64 byJohnstiiweii
40
42
44
46
The Software Acquisition Manager of a leading software com
pany reveals what itfakes to break into the markef. byKeiiyn Beeck
THE MAKING OFA GAME PROGRAMMER 70
Abehind-the-scenes lookathowaCommodoregame program
merwon herWings, byJudyBradflick
COMPUTER TUTOR
Guitar Chord Finder byAndyGamble
A Round for the VIC 20 by DanoldJ. Eddington
Quick Load byJerryA Slurdivant
Sprite Catalog byAndy Gamble
Birthday Card by MarkJordan
Alarm Clock byGreg Kudos;
Hands-On, Beginning Programmersi byJoneReh
47
52
54
55
58
88
100
LEGAL ISSUES IN MARKETING
SOFTWARE
72
Legal issues you must consider if you intend to take your
program into production, byHerbertSwartz
PROBING QUESTPROBE
74
A revealing interview with the father of adventure games, Scott
Adams, byJohnJermaine
TELE/SCOPE
The Conversing Commodore by Howord Millman
63
FOR GAMERS
BOOK REVIEW
AtWar with your Computerbyg. scottWright
80
Brought to You by Sybex by Linda Lee
112
GAME PROGRAMS
USER GROUPS
In Between: A Computer Card Gome by BruceJaeger
94
User Group List
114
KIDS' CORNER
GLITCH FIX
124
Hug a Robot Today by Betsy Byrne
98
NO MORE PENCILS
HOW TO ENTER PROGRAMS inPow/Picy 125
Tiny FORTH in LOGO by David Malmoerg
104 ADVERTISERS'INDEX
128
POWERPLAY 3
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