Compute_Gazette_Issue_26_1985_Aug.pdf

Digital Designs: The Future Of Computer Graphics

COMPUTE'S $2.95

August 1985 ®

Issue 26, Vol. 3, No. 8

02220 $3.75 Canada

FOR COMMODORE PERSONAL COMPUTER USERS

Space

Dock

Do you have the steady

hand and quick eye it

takes to land at this busy

spaceport? A challenging

game for the 64 and VIC.

Programming

Hi-Res Graphics

On The 64

Also In This Issue:

Programming Hints & Tips

Computing For Families

M ■

Three "how-to" articles to

help you get the best in

graphics.

Software Reviews

And More

ReDisk

Here's an easy way to,

make backups of

machine language and

sequential files. For the

64, VIC, Plus/4, and 16.

Crunch

Get more speed, efficiency, and memory with this

oowerful nronramminn utility for the 64 and VIC

'1486 02220

IfyouownanAppleIk,

you'd havetoaddthreemoreAppleIk's,

an Extra Keypad,

30BlockGraphicSets,

ColorSprites,

twomorevoices,

fourinstruments,

aCartridgePort,aJoystickPort,

anda Commodore64...

IIIII'll ■* M ■ - ■ ■ W ■ ■- W' ■ Ii W

to matchtheversatility,expandability

and higherintelligenceofthe

newCommodore128

(and itcosts lesstoo).

doesn'texpand.Commodore 128

has a numeric keypad built into its

keyboard that makes crunching

numbersa lot easier.And graphic

and sound capabilities that far

exceed those oftheApple lie. Bui

the most important news is that

The new Commodore 128'" per

sonal computer is breakthrough

technologyat a breakthrough

price. It outshines the Apple®lie

in performance capability per

formance qualityand price. Itis

expandable to 512K RAM. The lie

Commodore 128jumps you-into a

newworld ofbusiness, productivity

education and word processing

programs while still running over

3,000 programs designed for the

Commodore 64™ That's what we

call a higher intelligence.

COMMODORE128? PERSONALCOMPUTER

A Higher Intelligence

•Applo fta i&q**&'}*! Traaernarhof/-pe'eCoJT>puietJnc

e cammodufe i?bs

Tta;BetterLetterBox

IntroducingEasyPlex" Thenew,

easy-to-use electronicmail system

from CompuServe.

growingcomputerinformation service in

the worldand tliepremiersupplierof

business information to FORTUNE 500

companies.

StartcommunicatinglTobuya

CompuServeSubscription Kitseeyour

nearestcomputerdealer.Toreceiveour

informativebrochureortoorderdirect,

callorwrite:

optionspreviouslyavailableonlywith more

expensive services.

CompuServe's EasyPlex lets friendsand

relatives, associations andclub members

communicate anytime of thedayornight.

Andsmallbusiness owners, real estate

professionals, insurance agents, lawyers,

writers, elc cancommunicate quicklyand

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"Its Easy.""Just Plexit!"

finally! ElectronicMailthat'ssoeasyto

useyoucan startcomposingand sending

messages thefirsttimeyougetonline.

Designed forvarious experience levels,

EasyPlex has a menu mode with simple,

easy-to-foilowdirections forbeginners,

and itlets experienced userssave time by

workingin Hiepromptorcommand modes.

With EasyPlex, you cancompose, edit, send,

file,and take advantage ofsophisticated

CompuServe'

Information Services, PO. Box 20212

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Best of all, EasyPlex is available toall

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EasyPlex, you gethundredsof valuable and

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An HSR BlockCompany

August 1985 Vol. 3, No. 8

Digital Designs: The Evolution Of Computer Graphics Kathy Yakal

16 "

The Music Shop Philip I. Nelson

Felony James Trunzo

Space Dock Aaron Bobick

54 64

Computing For Families: A Visit To Eric's Classroom Fred D'lgnazio

34 •

Hints & Tips: BASIC Shortcuts

28 V/64

BASIC Magic: The Art Of Repetition In BASIC Michael S. Tomczyk

40 V/64/+4/16

Machine Language For Beginners: Crossing Richard Mansfield

44 V/64

Mixing Text And Hi-Res Graphics Jamas ft Chambers

52 64

Crunch James A. Ledger

56 V/64

Zounds!, Part 2 Lawrence Cotton

59 64

Creating Hi-Res Graphics On The 64 Todd Heimarck

60 64

Hl-Res Toolbox John E. Banks

64 64

ReDisk Michael Mueller

66 V/64/+4/16

The Editor's Notes Robert Lock

Gazette Feedback Editors And Readers

Simple Answers To Common Questions Tom R. Halfhill

How To Type In COMPUTEl's Gazette Programs

Automatic Proofreader

Gazette Classified

Product Mart

Advertisers Index

■ =General, V=VIC-20, 64=Commodore 64, +4=Plus/4, 16=Commodore 16.

COMPUTE'S GAZETISit published monthly by COMPUIEI Publications, Inc., Posr Office Boi 5406. GlMmboro. NC 27403 USA. Phone (919) 175-9809. Editorial olficei IK

located al 324 West Wendover Avenue, Greensboro, NC 27408. Domestic subscriptions. 12 issues, S24. Send subscription orders or change ol address (P.O. Korm 3579] to

Circulation Dept., COMruTEVs GAZETTE. P.O. Bos 96], l-armlngdalc. NY 11737. Second clus application pending at Greensboro. MC 37403 and additional mailing oIlicM.

Emir* rontenis copyright B1985 by COMWIII Publication*. Inc. All rights rewtved ISSN 0737-3716.

M'A

COMPVTB I'li'-li. i!k..i. tncOneof the ABC Fubtithlng Compinlca: ABC Publlihlng. Fmldttit, Robert G. Burton; 13.10 Avenue of the Amencai, Sew York, New York 1001°

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