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< 0 f z /AMIGA A Volume 5 No. 1 January 1990 JL.COMPUTING I J US $3.95 Canada $4.95 Your Original AMIGA* Monthly Resource AMIGA ANIMATION Sculpt-Animate 4D AMIGA ANIMATION AMIGA ANIMATION Animation in BASIC AMIGA ANIMATION AMIGA ANIMATION Anim-Aids AMIGA ANIMATION The 1989 BADGE Killer Contest WinnersAMIGA ANIMATION Hi Quality Version Available on AMIGALAND.COMAMIGA ANIMATION AMIGA ANIMATION AMIGA Programming: [MIGA ANIMATION Scanning The Screen, Fractals Part Four I MIGA ANIMATION IJ//6 .I ANIMATION Calculating the Wind Chill Temperature 1.11/6.1 AM U Ml()\ Menu Builder 11//6..I , I N/.I/..I'/'//> \ 11//6 I IMUAIl(>\ \n 1 1u o \ Plus: "•I n n /w /m Thinker Hardware Home Control 07447074710901 0 iu y COMPUTING Y o u r OrigfanaH AM I&A MamSbfy &Gs<m&m&8 laundry. 1W() ifMATION ON THK AMIGA Dear Animators 4 l A nim ation by Bany Solomon With Sculpt-Animate -tD Introducing AC's Animation 51 section. by Lonnie Watson Create some stunning Ladies And Gentlemen, we aitw ork. give you... THE WINNER! 4 2 by B radley U". Schenck • ■ * Animation? The making of" the 19S9 BADGF BASK ally! 5 8 Killer Demo Contest winner. h r Mike Morrison The Sentinel, Using Cell animation in Amiga BASIC. A nim ation For Everyone 47 PIC-MAGIC: A Product Profile 54 by Barry Solomon An i m-Aids 64 Animation Can by Orlando T'tirioso Sidebar by Bany Solomon Be a Moving W onderfu 1 Iv sketched. Brushing-Up Where to find the help .-lienee. ready-lo-cok >r images! Hi Quality Version Available on AMIGALAND.COMOn Animation 5 4 you need. by Barry Solomon Cut, paste, and animate vour way to fame. RR( )G RAMMING R1AIIAY Dual Demo 66 | | | f h r Thomas Esbehnan T hinker 9 0 Menu Builder 23 Programming an arcade game can he by Robert Klimaszeirski Ri h r Tony Preston easy. "An Idea Processor". Building menus w ith Intuition. Scanning The Screen 82 by Paul Castonguay Part Four in the I facials DRRARTMRMN series. It's Colder ( Than You Think 87 Feedback Foru m 4 I ■ i f h i ’ R<>be> 1 h i i i i h i s z e i i v k i || A simple program to calculate the wind chill temperature. Users Groups 21 Facing the CI.I 39 All program listings Index of Advertisers 96 by Mi he Morrison are available on Disk structures and startup- A C Dishs.1 set [lienees. Public Domain Software 109 • CONTENTS • COH WINS No Fishing! 27 G nest Commentary by Graham Kinsey New Products A preview of W orkbench 1.4. Plus a More Advice and Other Neat Stuff 8 fantastic gambling game. For A1000 Upgrades 6 by Elizabeth G. Fedorzyn Richard Taylor, President of Pro Tennis Tour. Keel'The Thief, and Expansion Technologies speaks out. Bug Bytes 33 Distant Suns top the list. by John Steiner More bugs and upgrades for the Snapshot 15 Amiga user. HAPPY by R. Bradley Andrews NEW YEAR Three arcade favorites, and a space role-playing game. R oom ers 3 5 £ by The Bandito to The Bandito’s fearless predictions for 1990 are here. PD Serendipity 56 by Mike Morrison Hi Quality Version Available on AMIGALAND.COMAnimations from the RoboCop - An arcade game \S9 BADGE Killer based in the future. Demo contest. LaserBoing - Mike ran der Sommen's entry to the 1989 BADGE Killer Demo Contest. "This Amiga B oing' ball is just loaded with Super Hang-On - O nly yo u r energy." skill and reflexes will allow you to win the ultimate race. Amiga Circuits 98 by John lovine Controlling large amounts of electrical energy. Coivr " Illustration by Brian Box Video Schmideo 18 C Notes Graphic Design by by Barry Solomon From The C Group 104 Iirnest P. 1 ieeiros Sr. There’s no business like the Video by Stephen Kemp Business. Recursive functions in C. VIRUS ALERT! “AM IGA Amazing Computing For The Commodore v L MIGAT AC's Technical Editor Explains How To Handle A New Virus. ADMINISTRATION Publisher: Joyce Hicks by Michael Morrison Assistant Publisher: Robert J. Hicks Circulation Manager: Doris Gamble This is the type of article I hate to write. There is yet another virus going around. Asst. Circulation: Traci Desmarats Asst. Circulation: Donna Viveiros The virus is called Xeno and is not a bootblock virus but a file virus. This means that Corporate Trainer: Virginia Terry Hicks it attaches itself to executable files such as commands or even programs. When you Traffic Manager: Robert Gamble use the command, the virus puts itself in memory and attaches itself to any other International Coordinator: Marie A. Raymond executable file that is used. Marketing Manager: Ernest P. Viveiros Sr. There are several ways to recognize whether or not your computer is infected with EDITORIAL the Xeno virus: Managing Editor: Don Hicks Associate Editor: Elizabeth Fedorzyn Hardware Editor: Ernest P. Viveiros Sr. -The commands in the C directory are 1124 bytes longer. Technical Editor: J. Michael Morrison Music & Sound Editor: Richard Rae -The date on an executable file has been changed to a recent date. Video Editor: Barry Solomon Copy Editor: Aimee B. Abren -Your computer crashes when you try to print to the parallel port. Copy Editor: Derek J. Perry Copy Editor: Troy J. Thomas - You get the 'file not an object module' error when you try to use common C Art Director: William Fries commands (dir, cd, assign, etc.). Photographer: Paul Michael Illustrator: Brian Fox Research & Unfortunately, there has been no way to detect this vims until recently. We picked Editorial Support: Karen Donrelly-Solomon it up, here at AC, about a month ago, but none of our virus checkers could detect Production Manager: Donna M. Garant it. If you have ordered AC *5 or AC *6, they are infected with die vims. Please use one of the mediods described here to disable die infected files, or return die disks ADVERTISING SALES to us, and we will send you clean disks. Advertising Manager: Jannine Irizarry Marketing Assistant: Melissa J. Bernier There are a few programs available that will help rid your system of the Xeno vims. SteveHi Quality Version Available on AMIGALAND.COM Tibbet has just finished VirusX 4.0 which is available on BBS’s or on our 1-508-678-4200 inNOCKulation disk (see ad page S6). VirusX 4.0 will detect the Xeno vims in FAX 1-508-675-6002 memory, but it can not help any files diat may be infected. Steve has also included a program called KV, This program wall disable any files infected with the Xeno vims, SPECIAL THANKS TO: but it does not remove the vims from die files. The vims intertwines itself with a file, Buddy Terrell & Byrd Press Bob at Rivarside Art, Ltd. making it difficult to remove. Steve is wrorking on a version of KV that will actually Swansea One Hour Photo remove the vims from fire infected files. Pride Offset, Warwick, Rl Mach 1 Photo Another program also available on BBS's or on our inNOCKulation disk is called XenoZap, by Kevin Kelm. Kevin wrote XenoZap after both of our computers were infected, and I asked him for help. XenoZap is similar to KV, except that it will search Amazing Computing™ (ISSN 0B36-9480) is published monthly by PiM Publications, inc., Currant Road, P.O. Box 869, Fall River, MA an entire device for the vims, in all directories and disable it in all infected files. This 02722-0869. means you can type; Subscriptions in the U.S., 12 issues lor $28.00; in Canada & Mexico dfO:XenoZap dhO : dfO: d fl: d f2 : XenoZap surface, $36,00; foreign surface for $44,00, from the CLI (if XenoZap is on the disk in dfO:). XenoZap will first check memory Second-Class Postage paid at Fall River, MA 02722 and additional for the vims and disable it (if present), and then check every file, in every directory, mailing offices. on dhO:, dfO:, dfl:, df2: and disable the virus in all infected files. POSTMASTER: Send address changes lo PiM Publications Inc., P.O. Box 669, Fall River, MA 02722-0869, Printed in the U.S.A. Once XenoZap is used to check the system and its files, it has become infected writh Copyright©Dec. 1989 by PiM Publications, Inc. All rights reserved. die vims. This means that if the program does not check for and disable the vims on itself, the next time the program is run, it will infect every- file that it is currendy First Class or Air Mail rates available upon request. PiM Publica checking. Therefore, it is important to include XenoZap at the end of die list of items tions, Inc. maintains the right to refuse any advertising. diat XenoZap will be checking. This should eliminate tiie virus from XenoZap and eliminate die vims from your system. Remember to check a]] of your floppies! Pirn Publications Inc. is not obligated to return unsolicited materials. All requested returns must be received with a Self Addressed These people who have nodiing better to do but create damaging viruses really Stamped Mailer. baffle me. It is unfortunate and sad. I am only diankful that talented people like Steve Send article submissions in both manuscript and disk format with Tibbet, Kevin Kelm, and others are willing and able to spend their time and resources your name, address, telephone, and Social Security Number on to combat these viruses. My hat is off to all of them. Both VimsX and XenoZap are each to the Associate Editor.