..... ........ ~ "I'd lie AVALON One Player Simulation Games * B-1 Bomber * Nukewar * North Atlantic Convoy Raider * Midway Campaign For one to four players * Planet Miners At last! Quality computer simulation games from the leader in war gamingl All games available for 16K Level II TRS-80, 16K Applesoft in ROM or Apple II Plus, and 16K Pet 2001 computers. $14.95 eachl JlteSoltttare Exchange 6 SOUTH ·ST., MILFORD. N.H. 03065 (803) 673.. 514-4 2 YOUR BASIC SOFTWARE MAGAZINE VOL.2, NO.10 IN THIS ISSUE ... Adventures by James Garon .....•.••.....•..•... , •.•. " ..•..• 17 Mlcro-lO Pinball Machine by Garth Jensen .•••.•.......•....••..•.••••..••.• 22 Take Apart Pinball by Garth Jensen .....••..••..•••..•......•....•.•• 30 AdYentureiand by Scott Adams ....••...•••.•.••.•.....••.••..•.• 36 Adventure Interpreter by Scott Adams .• , ..•••.••..••..•.•....••.•....•. 44 LOlt Dutchman', Gold by Teri Li .......••....•••.....•........•.•....... 58 REGULAR FEATURES ... Outgoing Mall. .. 6 Programming Hints ............................... 14 Input ••.•.•.....•...•..•..••...•.....•...••..•... 50 Bug Report ..............•..•....•.....••..•...•. 70 Market aalket .•.•....••...•.....•...•.••••..••... 74 Convenient Order Forms .......................... 78 cover illustration of Adventureland by Elaine Cheever 3 __(,-",soft5i"ao~ .. ...1-] -- STAFF SoftSide Publications The Software Exchange PuIIII"'... CllIID_ Sll'fh:l I'IIIIIQIoI .. CMnlflllllr RoQer W. RobOtalile. $r, Bette )(eet\lln 8iza!Jeth RobUali1e Elllllr4l.QIII OIf1C11r or fbrt ....U Georgi Blank IkaSIII,..I" I(lmball , Mgr. Joseph 8rlton Donna Jaan lIIcIpIIanllt .'0<James Garon 1I*Icr11111.. Kathy "'alool ~ OI lna Bishop. Mg •. Alolbe Rlnsterman ... B. Cooklnl\am SMlla 'JiIhnle.. 1InI., DlJI'111I1I111 Karen ASSO!tle Mary Edwards, MgI, .-...... Oonn~ McMallon Elaine Cheever Balinda Perry ..... Lester Andtrson fYlltlrllIIIIl:fI I II'ICIDr ... IIIpNtIIlnI Janice Mill" eary Vouog, MOl. I"rt!lra.1I11111 Glen Ohland, Asst DaVid It RotliUlilie ""-Laurl, MiIII' Oonnl Cooklnham Erle Skyleo Gall "-sh Robin Rossi CIpy IIIft",n Donna BenneU A"", .. , Wi lliams "'Memol .. ~la l PI'lIU Gfoup Unda Feda! -Doris ....Miller Pam Demmons FOR YOUR ORDERING CONVENIENCE, TOLL· FREE 9 AM . 9 PM, EST - Mon.• Frio; Sat. 12'" 1·800·258·1790 If you live In NH, or have any questions concerning your order: (603) 673·5144 During the .ummer our progr8mmlrl will be liking I much­ nlMiMi Ind well-d.. elVld break-therefore, Inecltve July 11t we will be temporarily IUlpendlng our HOTliNE I.nlc•. SoI1~ Magazine Is continually seeking original articles and so/tware 10< publlcallon. Im agination and variety In concept and conte"t are Our primary criteria for acceptance. Payment varlas wllh lengttl. euhbillty, ease 01 ediling and quality. Ou, policieS wllh ras.pect to software pUrcha!HI are highly Individualized. and oller lhe prog,ammflr "',e,.' options. Including on.tlme publication right s, ou1rlghl purChase, and 'oyallles on sale of prerecorded caSSell as. Program submiSSions st>ould uee Radio Shack l~ II Basic, Sl'lotrld run In le.elll and Dls~ BASIC. and may no! amploy codIng techniques thaI cannot bto . ceuralaly p'asanled In a line listing, such IS SYSTEM modules and ",uper graphics" or othe, hybrid mathoda. For more Intormatlon, pl_seWlIt .: SoI1~ . PO SQx68, Millord, NH 00055. SoIt~ Ia publl~ monthly by $offSide Publications. 6 South SI., MI!lord, NH 030M. Subscription .atos; IJ5A bUlk .ala - 'te per y..... USA IIflt el.sa. APO, FPO. Canada, Mexloo. 0VtI'_ surface mall -$25 per year. OveraHe alnTl&lI - $30 pa, yea •. All remlttallCes must bto In U.s. funds. Mall ...,DScrlpllon In­ quirIes to: SoItSlde Subsl;rlpllona, PO 80x SII, Mfllord. NH 03056. Entire cont,nta copyright. 1979 by Soft· SkIe Publk:P1ona. Alf rights rtoserved. PLEASE NOTE: TFtS-aO I. a '-lila""" lfademwtl oj ~Io Shack, a dMIIon of Tand)' Corporalkln. T'- ~ &chaIIge 'I no! ~ In anw way wflh RadIo Shadr; or Tandy CofporatkIn. Unlock thefhidden power 0 your computer! PROGRAM FAST & EASY! Use ROM routines in your BASIC and Assembly Language programs! REFERENCE GUIDE TO LEVEL II BASIC $19.95 pl ....,.hlPPInil SU PERMA PIr l m Fulfer SoItw.rl PI'~ vlously sold al$I8.95 TRS-DO Disassembled Handbook by Robert Rlchardsnn previotlsly sold at $ID.OO Hex Mem manltor written In BASIC br JClhn PIIIlUp Z-80 Disassemb ler by'"", BI,,' DOS Map by John Hartford Description 01 the contents 01 the Level II BASIC ROM by memory location, by lunction. and In lesson fOm'lat. Includes several BASIC end Assembly Language programs In listing format to examine and use ROM routines. TheSoltware Exchange 6 SoothStreet,Box68,MiIfOld,NH 031155 603-673-5144 . THE MAKING OF SCRIPSIT's forgiving arms. Brief moments later we see a finished AN EDITORIAl document emerging from the SItting comfortably In tront 01 printer. your computer, savoring with Next step Is 8 whisper quiet ride sweet anticipation the luscious In our lushly carpeted elevator, programs which beckon from the down to the second floor where we following pages, you may never paus!t briefly but reverently just have wondered what transpires outside the Art Room door. behind the scenes here at the This is the place where the . luxury office suites of SoftSide in merely mediocre is made im­ Beautiful Downtown Milford. mortal. The skill of these excitingly There Is a story behind the words beautiful artisans I, beyond belief. you are reading at this moment. A (I am not ashamed to aay that I BtOry that must be told. (However. know an artiaian well.) we are not implying that It must be Gall, who has come to be known READ-feel free to abandon me .. "Twinkle-fingers" -ostensibly here In mld-sentence and suc­ for her amazing .peed and ac­ cumb to tha blandi.tamenb of this curacy on the typesetting ma­ month" adventures.) chlne-aeu up the text In Ita A priZe-Wlnnmg editorial oeglns magazine format When .he h.. wtth an idea; the lack of trophies flnlahed her bllatering diliplay 01 on my delk .neatIlo this feet. The keyboard dexterity, 1M: machine Id_ ta_ on lif... it '-tnIecI into clleQ to ttHtf tor a few momenta • and then disgorges a box about Deadline Cay. This Is the day when the size of an ostrich egg which the sheets of' cardboard con­ contains a wide roll of film. When taining the treasured document the film has been developed, ac­ are Slipped into an envelope along companied by many strange with all the other articles, pro­ gurgling sounds and mood­ grams and special features that altering odors, It Is ready to be comprise a typical SoftSide. "pasted-up". A trusted courier then whisks Elaine and Donna take over the preciOUS envelope off to the now. Starting with only a few printers. About a week later, a sheets of thin cardboard, faintly truckful 01 cartons is unloaded In marked w ith arca ne symbols the notorious Bulk Mall Room. It Is (meaningful only tothetrueArtlst) here that a skilled crew of high­ and using their Official Artist's school students prepare thou­ Implements, they draw borders, sands of SoftSides for world-wide insert IllUstrations, and even distribution. Adults are not al­ correct spelling errors discovered lowed to assist in this endeavor at the last second. This Is ac­ since our company insurance complished by physically cutting does not cover deafness caused out the offending letter, and by radio rock music Inflicted at delicately but firmly Inserting a maximum volume. tiny piece of film containing the Scant days later (or weeks if you correct one. When the flnlahed live on the west coast and don'1 article comes back from the have a first class subscription) printers, there is no sign of the SoftSlde is in your mailbox. ready original mistake. as you can sea. to provide you with stili another The next major event In the life month of programming ecstasy. of our editorial Is the dreaded 7 LIST OUR TA....., COMf'UTERS: '"OC, PRICE levell!,41< $61'9.00 $559.00 Level II, 1611;, no keypad "'00 TO ORDER Le .... 1 U. 16K. w/keypad 849.00 749.00 EXPANSION INTERFACES: COMM-80 Intef18Cf1 179.95 CALL TOLL· Expansion Inlerface. no RAM 299.(1) "'.00 Expansion In!erlace, 16K RAM (NEG) 448.00 369.00 E~pansion Interface,:l2K RAM, (NEe) 597,00 459.00 FREE DISK DRIVES: Pe'(:om. TFD-l00, 4O-track 399-00 389.00 800-258-1790 Pert:om. Dual TFO-l00's 196.00 175.00 Percom. TFO-200, H-Irack 675.00 "",00 (In NH call Peroom. Dual TFO-200's 1350,00 1300,00 COmpuThink. Dual O,lw, Dual Sided 1295.00 673-5144) DISK DRIVE ACC£SSORIES: 2-0.ive cable for TRS-60 29.00 4-DrjV(l cable for TRs-80 "." "'.00 f>af.:om Data separator "''' Extender card 15.95 ""15.00 PRINTERS: Centronics 730 195.00 719.00 CeJll.onics 731 "'.00 "'.00 Centronics 753-2 3196.00 "".00 Centroni(:s 779-2 1559.00 ,,,.., 219.00 "'.00 1960,00 1813.00 2995,00 2595.00 369,00 369.00 7000_ (64 col) 405.00 389.00 PRINTER CABLES: QPII to Expansion loterface Gable 19.95 19,00 LRC to TRS-BO cable ".00 LRC to APPLE cable 20.00 LRC to EXIDY cable ".00 Prices subject to change LRC to PET, IEEE cable '"00 without notice. LRC to RS232C male, cable 65.00 LAC to RSmC female. cable 65.00 Prices do not Include 730 or 737 to TRS-M cable 29.00 779 or 753 to TRS-ilO ca~e 35,00 COD orders require Pt:AII'ttEAtALS: 25% cash deposit. N0\'81ion CAT Modem 189.95 179.00 UDS 103-LP 195.00 '''eFFECTIVE AlN! 1.11880"*' RS-232-C Interface Board 99.00 89,00 TAS·232 Printer Interface DATA Dubber 49.95 16K Mamory Kil. Keyboard ""99,00 16K Memory U~fade Kit. E,'- 95.00 Parcom EI8<)tric Crayon, w/cable 219.00 6 South Street, Busy Box.