Creative Computing Magazine (November 1981) Volume 07 Number 11
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: November 1981 vol 7, no 11 $2.50 GPeative 140-44 Gompuking the #2 magazine of computer applications and software Getting Started With IBM Personal an Apple or TRS-80 Computer The Big Blue Giant Atari Color Explained Makes Its Move Evaluations: • Bridge Challenger • New Apple Games • Crypto Machine • Raster Blaster %w^ • Soundchaser • Air Combat Sneak Preview of the Sinclair ZX81 Ted Nelson Electronic Mail — 5& What's Coming Authoring Systems 1 1 76956 14044" . Comm Ill re Software Encyclopedia The COMMODORE The next edition of the not listed and you would SOFTWARE COMMODORE like to have it listed in ENCYCLOPEDIA is SOFTWARE the next edition, please now available from ENCYCLOPEDIA will be submit details to: your authorized available in 90 to 120 Software Department COMMODORE Dealer, days. If your software is Commodore Business for . Machines, Inc. Computer Systems $495 Division 300 Valley Forge Square, 681 Moore Road, King of Prussia, lOT^OpOTE PA 19406. HOTLINE Number EtataJbPEDi^ 1-800-523-5622 £s commodore CIRCLE 1 20 ON READER SERVICE CARD — " — fountain Computer CPS Multifunction CardTM e Only Interface Card You Need! Connecting a Parallel Printer? Connect with Easy Use! Epson®. Centronics®- IDS Paper Tiger? CPS handles all these CPS has no switches to set! All functions on the card are set printers and others with on-board intelligence to provide from a user program. Menu driven screens set up your choice paging and other features found on no other card. of all functions on CPS and store them on-board in CMOS RAM— battery backed-up (including the clock) for over two Connecting a Serial Printer? years! To change parameters, run the set-up program again—or use special commands from your kevboard. Furthermore, most • printers Diablo® Qume® NEC TI 800 Series®CPS handles these existing software programs are immediately usable with CPS. and others with standard RS-232 interface providing selection Phantom Slot Capability permits assignment of CPS' functions of rates, baud handshakes, paging, and more. to your software's pre-defined slots. Connecting a Modem or Terminal? Haves Smartmodem® Novation CAT®M fc R Pennywhistle®CPS handles these and others with full half duplex operation, baud Connect with Your Apple^Dealer rate selection, and even a transparent terminal mode which Drop by your Apple dealer and see how the CPS MultiFunc tion includes a dual mode feature that permits printing of text to Card provides the most comprehensive capabilities for RS-232C parallel printers while 'on-line' eliminating the need for special serial interface, parallel output, and real-time calendar/clock terminal software—and more. of any card available today all on one card—at one low price competitive with any one of the three or more single function Connecting with the Time? cards that it replaces. The on-board calendar clock provides real time and date information including day of week, day, month, year, hours, minutes, and seconds for any application requiring a time Mountain Computer I N COBPOB ATI D stamp—battery backed-up for over two years! * 300 El Pueblo Road. Scotts Valley, CA 95066 Connecting with The Source? (408) 438-6650 TWX: 910 598-4504 CIRCLE 191 ON READER SERVICE CARD I'sed with a modem, CPS provides the connection to informa- tion utilities, such as The Source? Dow Jones, and others. Additionally, CPS provides the connection to big-time electronic mail with programs such as Micro Courierand Micro Telegram? and other data transfer programs. >V Registered trademarks THE FIRST SUPER-SIMPLE LETTER QUALITY WORD PROCESSOR IN THE WORLD THAT CAN SIT NEXT TO YOUR SECRETARY- FOR LESS THAN $5,000. "Wordsworth™" removes the like general ledgers and accounting fear and loathing many people have reports, using easily available about things called "computers" industry-compatible CP/M™ software. and "word processing." Because Installation? Plug it in. (Cable Wordsworth just sits at a desk and supplied.) does what he's told. With unique new, Size? Bigger than a breadbox— simplified software, it can tell its but not by much. It's about half as big, typist what to do—step by simple or less, than systems that can't do half step— to perform even the most as much. Definitely desktop—a sub- complicated tasks. compact 20" by 40". It can not only "take a letter," Service? Available everywhere. but it can revise it, customize it in mil- Price? About $4,995. Complete lions of ways (quite literally), person- and ready to go. alize it, print it on your letterhead or For the name of your nearest business form so you can't tell it from dealer— and a free hands-on hand-typed ... in short, everything demonstration—just pick up the but put it in an envelope. nearest telephone. Moreover, it can perform all TOLL-FREE 1-600-343-6603. sorts of business functions, mundane In Hum bnatt*, . .ill ...n.-.t dii7) 111 IIW Un 961 B24. LEADING edge: Leading Edge Products, Inc., 225 Turnpike Street, Canton, Massachusetts 02021 DEALERS: For immediate delivery from the Leading Edge Inventory Bank!" on "Wordsworth" and other of the industry's most popular products, just give us a call. CIRCLE 182 ON READER SERVICE CARD " fi I »*/ ns & software 1 84 Periodic Table Schmidt 1 86 Grammar Rudeen evaluations & profiles A program to create your own 1 A The IBM Personal Computer Staples PET Screen Llne Length Picciotto The perfect computer? 1 92 Solving the problems of a 40-character line Soundchaser 20 Lubar Shared Appreciation Mortgage Crawford Passport 200 to great Apple sound Can it save you money? Sinclair ZX81 26 Tebbutt 21 A Wo*1*1 Generator for "Traveller" Marvel New from England 34 Authoring Systems Lubar 232 Building a Better Input Ashwell Apple programming made easy? 236ww Short Proor8m« Buchanan & Shapiro 40 APP,esoft Compilers Herman TRS-80 keyboard repeat and Apple disk catalog A comparative review How to ,! 238 So,v* Piole 50 Assembly Language Programming Greene Digital didactics A course from Heath 54 Home Financial Decisions Rowe A new module for the Tl 99/4 I M% m to.ents Computer Air Combat 58 Archibald 6 Notices Fee Monday night at the flights "| Input/Output Readers R2 Raster Blaster Archibald Flipping out 24 D«**line: Tomorrow Ahl News and views 64 Bridge Challenger Linderholm 250 Appl° Cart Carpenter 68 Crypto Machine Miller Getting started: hardware, software, printers Apple/UCSD Pascal 1.1 Tonkens ut K>8,: Atari 77 258 ° ' SmallA Small A user's evaluation How the Atari handles color 7g Zgrass Meeks 262 TRS-80 Strings Gray A language for graphics users Getting started, CRT filters, and a drunk snake 33 New Games for the Apple Lubar 270 Puzzles a Problems Townsend 272 Software Legal Forum Bayer articles 276 Now Products Staples Q4 Tower of Babel Blank A tourist's guide to computer languages 288 Index to Advertisers 1 06 Boxes Miner A structured spatial language Il|#D r*r)\}£>f) A r u m°r laid to rest: IBM has *> l^UVv#i announced it's long-awaited entry Pascal Ada and Computer Literacy 116 < Ahl into the personal computer market. See page 14 for details on Interview with Arthur Luehrmann the IBM Personal Computer. J 24 Tnreo Roads to Pascal Lubar Learning "the language of the future'' NOVEMBER, 1981 The MaQ icians, The Snark & The Camel Nelson -\ 28 VOLUME 7, NUMBER 11 Report on the Electronic Mail and Message Conference Creative Computing (ISSN 0097-8140) is published monthly by Creative Computing P Basic and Pascal Evans O Box 789-M. Morristown. NJ 07960 Second Class postage paid at Lincoln NE "| 58 68501 side-by-side comparison A Editorial offices located at 39 East Hanover Ave . Morris Plains. NJ 07950 Phone (201)540-0445 1 66 Basic Beats Pascal Ever Domestic Subscriptions 12 issues $20. 24 issues $37; 36 issues $53 Send subscription orders or change of address (P O Form 3575) to Creative Computing PO Box 789-M. Morristown. NJ 07960 Call 800-631-8112 toll-free (in New 1 Trilingual Tutorial Horn 74 Jersey call 201-540-0445) to order a subscription (to be charged only to a bank Basic, Basex, and Z80 Assembly Language card) Copynght©1961 by Creative Computing All rights reserved Reproduction prohibited Printed in USA Model I and Model II Look Alikes Cesaitas 1 82 ROM Creative Computing is printed by Mid-America Webpress. Lincoln. NE 68501 NOVEMBER 1981 staff advertising sales foreign customers Publisher/Editor-in-Chief David H. Ahl Advertising Coordinator Foreign subscribers in countries listed below Christman elect to subscribe with our local agents using Editorial Director George Blank Renee may Creative Computing local currency Of course, subscriptions may also Creative Computing (USA) Editor Elizabeth Staples P O Box 789-M be entered directly to Morristown. NJ 07960 in U.S. dollars (bank draft or credit card) All foreign Associate Editor David Lubar (201)540-0445 subscriptions must be prepaid. Many foreign agents stock Creative Computing Managing Editor Peter Fee Western States magazines, books, and software However, please Jules E. Thompson. Inc. inquire directly to the agent before placing an all Computing products may Contributing Editors Dale Archibald 1 290 Howard Ave.. Suite 303 order Again, Creative Charles Carpenter Burlingame. CA 94010 be ordered direct from the USA-be sure to allow Charles W. Dwyer (415)348-8222 for foreign shipping and handling Stephen B Gray In Texas call (713) 731-2605 Glenn Hart CANADA Surface Ak Stephen Kimmel Southern California 1-year C»29 n/a Harold Novick 2-year 55 n/a Jules E. Thompson. Inc. Peter Payack 3-year SO n/« 2560 Via Tejon Alvln Tottler Palos Verdes Estates.