WOA: Pulsar's Power PC BOARD FOR THE A500 Volume 5 No. 6 June 1990 US $3.95 Canada $4.95 Your Original AMIGA* Monthly Resource Programming: Object-Oriented Programming in C++ * Amiga Turtle Graphics APL: Primitive Functions Convergence:Hi Quality Version Available on AMIGALAND.COM Part Five In The Fractals Series Productivity: WordPerfect Macros ^ . Reviews: DigiMate ill ™ PageStream 1.8 Hardware Project: 1 RAM Expansion For Your A500 PLUS! CBM'S Multimedia Launch Of The A3000 Workbench 2.0‘s Display Modes 07447074710906 CONTENTS INSIDE STORIES Cherryware 39 by Julie Petersen Extend your vocabulary with computerisms that define products and describe characterstics associated with their use. World of Amiga, New York 47 Commodore, over 40 other Amiga vendors, and more than 15,000 Amiga users gather for a special two-day event. Commodore's Launch 81 CBM defines multimedia as it presents the Amiga 3000. Workbench 2.0 87 Hi Quality Version Available on AMIGALAND.COMDisplay a la mode. PROGRAMMING Amiga Turtle Graphics 57 by Dylan McNamee Computer graphics and programming Convergence 41 with a LOGO-like by Paul Castonguay graphics system. Part Five of th e Fractal series. Pulsar's POWER PC BOARD makes your Amiga 500 PC-compatible. Read about this and other newly C++ 51 released Am iga products in our by Scott B. Steinman, O.D., Ph.D. article, World of Amiga, New York An introduction to object-oriented HARDWARE show coverage, page 47. Amiga programming. Rapid Fire Joystick 21 APL and the Amiga 69 by John lovine by Henry T. Upper!, EdD Build a rapid fire joystick circuit for game Primitive functions and their playing on the Amiga. execution. The AM 512 3 5 ALL j j P by James Bentley LISTINGS Upgrade your A500 to a 1 ON megabyte machine. DISK TUTORIALS AND REVIEWS PageStream 1.8 14 Snapshot 23 by John Steiner by Brad Andrews Putting SofRogik's desktop publishing A look at Broderbund's Typhoon package to work Thompson, Accolade's Day of the Viper, and more. 18; WordPerfect Macros 18; fyp by Mike Hubbartt Create time-saving Snapshot- m acros in W ordPerfect. Virgin Mastertronic Commodore President takes on another Harry Copperman Mail Order Macros 20 Parker Brothers speaks a t World o f by Armando Cardenas gam e, Risk. A m iga, New York. Address envelopes using WordPerfectHi Quality Version Available on AMIGALAND.COM macros. BugBytes 29 DEPARTMENTS DigiMate III 31 by John Steiner by Frank Me Mahon A new VirusX upgrade, some bugs Animation comes to DigiPaint. with WordPerfect, and still no answer from Intuitive Technologies. Editorial 4 Pipe Dream 88 by Miguel Mulet PD Serendipity 74 Letters 6 As a plumber, your job is to control the by Aimee B. Abren excess "flooz" being produced by the Highlights include virus checkers, an Acme Chemicals Co. encoder program, and a 200-page Index of Advertisers 80 C M anual. Battle Squadron 88 Roomers 76 Public Domain by Tony Preston by The Bandito Software 93 Your mission is to eliminate all Barraxian The rumors are getting hotter as the life forms and rescue your comrades. days get longer. The Com m and Line 78 by Rich Falconburg Another look at a public domain COLUMNS shell program . COVER PHOTO by New Products 8 Ernest P. Viveiros. Sr. The gam e of Harmony, T.F.M.X. C Notes by the C Group 82 Soundtool, and the Amiga TouchDriver by Stephen Kemp system. Linked lists & doubly linked lists in C. m i i G A KNOWLEDGE Amazing Computing For The Commodore AMIGA'' ADMINISTRATION P u b lis h e r: Joyce Hicks Assistant Publisher: Robert J. Hicks MACHINE Circulation Manager: Doris Gamble Asst. Circulation: Traci Desmarais Discover the power of the Amiga with Corporate Trainer: Virginia Terry Hicks Traffic Manager: Robert Gamble international Coordinator: Donna Viveiros Resource™ Marketing Manager: Ernest P. Viveiros Sr. Programming Artist: E. Paul Intelligent Interactive Disassembler E D ITO R IA L for the Amiga Programmer Managing Editor: Don Hicks Associate Editor: Elizabeth Fedorzyn Hardware Editor: Ernest P. Viveiros Sr. / Resource will enable you to explore the Amiga. Technical Editor: J. Michael Morrison Video Consultant: Frank Me Mahon Find out how your favorite program works. Change Copy Editor: Aim ee B. Abren annoying features. Examine your own compiled code. Copy Editor: Derek J. Perry Copy Editor: Greg Young Art Director: William Fries / Load/save any file, read disk tracks, or disassemble Photographer: Paul Michael directly from memory. illustrator: Brian Fox R ese a rch & / Automated symbol creation: Editorial Support: Marilyn Gagne Production Assistant: Meiissa-Mae Viveiros JSR -$1E(A6) becomes JSR _LVOOpen(A6) MOVE! #$3EE,D0 becomes MOVE! #MODE_NEWFILE,D0 ADVERTISING SALES Virtually all Amiga symbol bases supported. Advertising Manager: Donna Marie / Now supports user defined symbol bases! 1-508-678-4200 1-800-345-3300 FAX 1-508-675-6002 / Single-key torward and backward referencing makes Hi Quality Version Available on AMIGALAND.COMfollowing subroutines easy! SPECIAL THANKS TO: Buddy Terrell & Byrd Press Bob at Riverside Art, Ltd. ✓ Special support for base-relative addressing. Swansea One Hour Photo Pride Oflset, Warwick, Rl / Many files may be successfully reassembled directly Mach 1 Photo from Resource output. In a trial disassembly, "Preferences" was disassembled, and the resulting Amazing Computing™ (ISSN 0886-9480) is published monthly by source code assembled into a working program, all PiM Publications, Inc., Currant Road, P.O. Bos 869, Fall River, MA in under 15 minutes. 02722-0869, Subscriptions in the U.S., 12 issues (or $28.00; in Canadas Mexico ✓ if you’re serious about disassembling code, look no surface. S36.0Q: foreign surface lor $44.00. further! Second-Class Postage paid at Fall River, MA 02722 and additional mailing offices "Resource is fully-featured and flexible... Everything is fast. The program is astonishing in many ways. POSTMASTER: Send address changes to PIM Publications Inc,. The massive size of its internal tables boggles the P.O. Box 869, Fall River, MA 02722-0869. Printed in the U.S.A. Copyright© May 1990 by PiM Publications, Inc. All rights reserved. mind. I admire the remarkable accuracy with which it makes intuitive guesses at the nature of certain bytes." First Class or Air Mail rates available upon reQuest. PiM Publica­ — Jim Butterfield, Transactor Vol. 2 #5 tions, inc. maintains the right to reluse any advertising. Pirn Publications Inc. is not obligated to return unsolicited materials. Now shipping Resource V4.00 - Order yours now! Ail requested returns must be received with a Sell Addressed VISA, MasterCard, cheek or money order accepted - no CODs. Not available in relail stores. Stamped Mailer. Circle 168 on Reader Service card. Send article submissions in both manuscript and disk format with The Puzzle Factory, Inc. ycur name, address, telephone, and Social Security Number on each to the Associate Editor. ReQuests for Author's Guides should P.O. Box 986 be directed to the address listed above. Veneta, OR 97487 $95 Orders: (800) 828-9952 VISA AMIGA™ is a registered trademark o1 Customer Service: (503) 935-3709 Commodore-Atniga, Inc. Power Users, Jets In The Sky ON A CLEAR AFTERNOON, IF YOU because it was what everyone else was However, we must determine how' you, look up at the sky, you can see the vapor using. We weighed die factors for and our readers, are using the /Amiga. There are trails of a passing jet. You may not see the against the Amiga and decided the Amiga two ways in which we can discover how' jet clearly, sometimes you never see tire jet wou id do what we requ ired better than any Amiga users utilize die Amiga. at all, but you do see tire disturbance it other computer. First, you can write us and tell us leaves in the upper atmosphere. You know what you are doing. If you have discovered the jet is there by the change it has made. D iversity Is TJje Issu e o fT ftis Issu e somediing w'onderful on the Amiga or have In much tire same way, we sense tire We termed this issue a “power user" used the Amiga in an interesting way, growing number of Amiga power users by issue because of the nature and diversity of please write us. We spend most of our time their level of interest in software and the articles we have included. For the searching for die unusual or important hardware. Power users show their activity programmer, there are three separate ways in which die Amiga is being used by purchasing accelerator cards, hard program listings in addition to our regular today. The best way to develop better users disks, and advanced versions of the latest columns. For the technically inclined, there on the Amiga is to let diem know how far software. We know they exist because they are two hardware projects. We have the Amiga has come, and where it is create elegant graphics and great programs included tutorials and reviews on headed next. that appear on public domain bulletin productivity software and graphics. And Our second option is to ask you board systems. Yet, very few Amiga users there is coverage of World Of Amiga, the questions. If you subscribe to AC, you may would say they are power users. Why are launch of the Amiga 3000, insight into the be one of the randomly selected readers these users so elusive? still incomplete Workbench 2.0, and more. who will soon receive a few' questions from Hi Quality Version Available on AMIGALAND.COMOne answer is diat often the really In fact, we have made this issue as diverse us on how you use your .Amiga.