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AN ARGUS SPECIALIST PUBLICATION»augu«t/M)MamDer isaithe Majpazine For AH Sinclair usersMore Editorial Pages Than Any Monthly Magazine
W l takB you beyondFourgreat new add-ons from Ram,Speclrum.Njmber Ore ireverythinetor theSpectrum Tuit»fnlerface(5 af 22.95.eQuictehot yoy5tick(s af 9,95.TURBO INTERFACEOutper farms any otfier Spectrum mtertace. Supports Kempston,ROM cartridge software, with alull eipansiar busatrear.TheTurbo works with two standard joysticks, makingthe most of theil's rapid-tire action. Features a unique built-ih power safetySpectrum lnterface(s)at 9.95PrDlek. inter face 2 andttieSpecfnjm UpgradeKitfe) at 21 95.Qjitkshotdevice. Amazing yafue at 22.95ttlperanleiP' PflJOtersessJ TOTAL WilCKSHOT II AUTO RAPID-FIRE JOYSTICKDlenclose cheque/postalThe top Eamesioystickwithitssieektriggerlire button and an aulo-fireswitch for continuous shooting - a snip at oniy 9.95This Kempston-compatible interface adds realgames power to yourccess/Visa—'—innSpectrjm. CostS)ustf9.95.SPECTRUM UPGRADE KITD charge myBprylMeSPECTRUM INTERFAXBoost your 16K Spectrum to a full 48K, allowingyou to run all the latestand greatest software. Only 21. 95Where can you get your hands or Ram's amazinESpectrumadd-ons?You cansee them at branches ot Boots, Menzies, Greens, Speclrum Groupcomputer centres, and good computer stores eyetywhere.derR r Telephorte'Wdt \
"YOU MUSTSOFTWARE FIRMBEINTHE BESTTHE WORLD'IA VIEWTO AFUNMOUSIKILLOPtRATION CARETAKERCAIJICYRONrh.'HI RIN .sMKll' I'OklKIScriesBASEBALLMINI OIIKRORFD OhSPY V SPYWorldDliONlUKKV HORRORrORMl'IA OSISPEEDYSOFT;ZX"SHOWnrm rrm rrm rrmCOMPUTING AUGUST/SEPTEMBER 1385IEUROCARDMASTERCARD
asLiltlePortland Slrei'LiilJshina Di.ector Peler WeltChairman: T JCmCONTENTSMachine codeLoaderjlJi'Miui.i.ij.iiki.K i,fflym-iiJ.i.UT!vouiZXSl oraioughnrASP FIGHTS SOFTWARE PIRACY . .pill 'jJ:UII.EggTWO wornCheetahThev'fe a lightfii.buiiSpeccv tonight'KCOMPUTING AUGUST /SEPTEMBER!!
HMIDTKKIBNew Generalion's new graphics ulilitygats prodded end probed, and comes op[ISMM KnDavid Nowotnik arrives in tiis great whitesave the worlO and sort out acttarger, toBD333SSBBBI!
1'WELCOMEwelcome jas looking through mv collec-who havec at,s"r'v'ved'.'d'grTwnLn%lttureiOurbisALWAYSs atasleepjinandrealisej ett the ignitiont demDnsl?a inglllthefemclsliBBd thai Ihis issue"Yi'B'"olkt'f threeesurnmaiot0%ellIBourisYEBtB agoir19B2ZXCwasnone other than Tim Harlacting father and Tina«asAtgiis Legends).The SpectrumSaTe iwhich was. then nlvwith aMicro Gen (then speltlieaccusationstlythickandtd''claWBdhiB;'Orfra c lamily SearchingOuicksilva' MWlemotechno relerencB to itatail inZX80 andX81 Toni Baker began.nthe Diar- rnrassand TifllTgrass anil 1985,things, greenerouolfl Irom .AM UBIii,ct " Pti er to*" M" '- would1ew. H 'A1 ZX Computing we'rethea seriesmachine code programming,of course.the prograrn listings wereortheZX81Allwhich had been type-set,eMe w/arselsm ent oUhe ZX8which cost 69.95 and a sixgenuine assistencetoyoLitoen-whether youyourto help you developyoui computer,wartitmachine code, play gamesuseitinorbusiness,Hewlett Packard and aSome namesofQumecomoanieSecond Foundation ZXBlSofHiidtrbrBy/HDidco Ltd?Control Technologyl'Croflon'EleclronicSystemsJand positioning«n 0l fitmy headj deemedourdials known jokingly as"Don't forget to take the cat's DQUsVWm pfyhand so. getting out my bestinto knotscarefully onPeter Furlong Products? v 3 WttThat time Of yeari f J"' ' *series:Kayde P wE**naqe computing glossaiv which"nJud'ed Sictu l of a BBC aand people madethej e dui o .'r8! J''V 1?Ba«f,J ta' fheway outof :k'"seiro"h'wer "hihtNow1'i ''''''* '9 J' g"'licular task completely.IfthereHow wrong can you be? Assoon as had pulled out into therevealed his whereabouts.1freezer hadthe freezer"?"TheImosi claimedindustrial Iniuiymtrafficf'aidy'We all take turns going downpeaVelul althoughlooks(letting oddmost persuasive voice. Thecat.ten 11kepIroronly goingorder notme wasmph anyway moverlookrnVBterioua forces at w '''J '' in-tew minutes until he founion mysafety and security sittingfor aaucltiiShT s roblTmsKbuying second hand PJ [ beginsthe fecklBSs felineto run around the confinedvoice afterwards.a high pitchedt/SEPTEMBERISBZX COMPUTING AUGUST
DflvtDcnrnp&ii.h theUp, up,and awayWadam gQing onIreallvZX.Buss,holidsySeikoshaDear206855 PRINTaa NEXT LSB PRINT flOF Sr-ICRICHS'iiT2i: :;-rFTTEComputS tvDB prrnterTha proCOPY com-CPC-4647tnim.leliIhad startedthe in-ition n(Suggesrions anyiCOPY routineintemsled -lotanee 1206 a24Why heX?lines ofDearSirs,Pedro.Whydo youwithLOAO 'SCREENSa:PAUSESinienli2) POKE 23659. PYcomrriBndroutineHQnused "The Complete SpectrVATIn figuring tot!a U.S. buyer shoulishDjid not1iROM Disassemblv" by Dr.LoganandDr. Frank O'Hara)!thanididforone sentDecimal ese Q.Philadelphia,AdamsU5A./(lOtplOUTforOUT 254.23S Da14toF5254,7 sound.AThen;SCOMPUTING AUGUST/SEFTEMBEfl1!try leading F6.simple demonstraliithat
thanks. Since my letter wasprinted in the Dec/Jan '85 issue,Yours p raisin gly,MestersJ,20 INPUT divids by ";d30 LETn 40 PRINTmimlH50 INPUT decimal places60 l TxlOtp)INTH10 pl((10 p90 PRINT20 INPUT "divide by30 LETn fd40 Pfl1NTINT(100»i9000 FORZ 1 6476 lo 1 6483gOIOPOKEZ.O9020 NEXT Z9030 POKE 16484,1189040 RETURNPen palsear ZX CDmBuimg,1 . f.*'
"'fa rife DeatZXCompuIirig,have disc ov Bred a useful effect1ZxarWhe'rREM25yoj have to do11isis10 LETa 25264:LETlunss'as Tu ETse'TA Wh"erShBde of Pale' and 'The Bab13put theseanly pdssibleL i g7hfs eHflcr'beclusVif"l!!ep.inlei has to start e new line.two POKES will cause the ZXBlwhan any other BASICto crashcode piofiramisus-theCODE1520with62537.letter rei-eraerLETa 250OO:LETb 15616:LET 1 25263GOSUfl20mgii/ingSpectrum.The Flight Simulaticn gameannoys with its yellow border. Ifanybody wants to change thecolour of the Border then:b 16136:LET 1 25775Trichord to the musical sealIthe data used in BASIC is IhPOKE16507JiaSAVEFd"s'sss"sewant enlaiged.or rr.achine'Just before ChristmasfaiflIslewtech Trtchord,uslnQ'"t'he''LPRINTtwo POKE CDm'ma d5 TheslAllPRINT AT10.10:"Please1same againAfter a couple ofweeks theeluding a vary useful forrrula:fch/1 B/ltpc* 256 lpf freGOSUB20P0KE51147,«14 1.ETb 25520:LETb 15a80:LET 1 2577515 GOSUB 20:GOTO 6020 POKE a. PEEK b30 IF A L THEN RETURN40 LETA A4l:LETB B-i-150 GOTO 2060 POKE23606,168:POKE23607.9670 CLS:STOPmake possible, where « iscolour (0-11Gsve theamended CODE wUh 32768,32000.williltheVours faithfullyM. CapekVictoria. Australia.SWJtChbOardHznt to return 10 the norregisters'tune(0-15), Ipf theregister''finisPOKE(0-255), and fcPSG clock frequency whic1.5B924B MH; on my partheZ3606,0:POKE23607,60of ZXfriendComputing throughwhorecentlyareturnedfrom London. As you knowVours sincerelyMatthew (agedSloughthere isan active Interest here efor thebSiirtiarliet forSir,The Meteor fuladnesscontinue producirigZXaimSfinished. ThisiZXBl software.So, whateverailedyou dc, pleaseprn amsaSpectrumTS2068irROMSpectruma)HOMreads the keyboardROMr"twoROrulroutines,ie:1BB3shouldnriTh 't(LINE-ENOI and IBBF (NEXTLINEI.allyadeb(e.PaySwitchbadb.)1*System variableshen«lsREM«INITIALPROGRAMDear Ray,Iwasflickingthrough the SpecwhentheIrum manualgotfound out thatIsawthi23606 am)000000000DearEditor,of the reasons for me buycomputer was to createmusic and animation.havebeen taught the piano up tograde 6, and have tried severalmonophonic tunes such as Ger-Oneing aIaraundsothatthecapilailetlerstook the place of the small let-and vice versa. The lettersused are the same width andheight, but you can make themdifferent by POKEing numberstersfrom25000 onwards locharigetheir look,ADDLIIMES1090 DATA -SEBFOBFEEeOI1 ZBOA"2000 DATA "SEBFOBFEEOOO20032O10 DATA "20EEC9CDB31BCDBF"2020 DATA - 1 BOOOOOO'hopefully yoisubscriptionsThanking tion.YoursJjick LDallasUSAtrulyKeenfincomputers, theitchboard allows the?SEG.M.RBinevto3068tieswit-
T l pfOdds and ends,It'sletters,TiEB.OD.ince the ser-drive vaiiables for softwarewhicti requires their onTilandwhoso recently3utilityeveni«Vo.obe.-JcE-oIwam' 'ls b'he idfoYoi E BirceriHo land HoaUS coldOrmsideWav.Holiilyan only addwriie to jsthevconfirihismagisattheI'hi'iOpus, the com panly launched the Ddri«eand company infoFor You HOOBuin.B lightt's stillfitlaad? Forreceived abetwmerB 1,50yoiicanmmpany Microrleiifront of the disk Utiue,BSpBcially If you have thecassette leads connected, andalill recommend using a ribbonibey.uen 10 understand thatdrive supplied fordoes not have the latestkWeIIsliongames. Tharticlewoolwhatiseasentiallvanadvertanddefence ot their ptogtams, andalthough interesting they werenot al all specific about theSpeCUlatlOIIat by saying thai inthem,ACheetah,nystick interfacethis unitwascan be boughtwithout s through port for 1 1 .50orwithoneforE12.75.Their press releasewasmay be Slni:laitot Cursor.alii-Checlcu'r-Bm'verak)r of'the' 'of'!w ' '" unitwhichwe'willrrpl! cetlromSirC.Dunds. Themaking therumour about aarelastgramsinsummeditthe world, we haveup accurately, mindnonths ago was claiming
IHARDWARE MEWSReset button andiirgloa50fdataaridstotecl.nforperiperal extender s eIBriefth { nofmu HhangeElev eloped theirpowerlead to cuie apfogramcrash is about as sensible asswitching cfl the National Ghdtochange a light bulb.The Z80 processorThg mat,35X6)cmfsaarlhiincIhesystemtoiem.wire connecled to any convenient earthing poinl sucii as :service pipe or Irunking.or peripherals. So by using thisfacility there is less likelihood ofwearing conduchve''nialeriaand supplied complete with earisprovid-edwilhaproperresetlinevuhichgently resetsow n solution to the Static problem, potto spray 48 ap, yds and 1 ,20 for a similat malaving mysterious data loss and crashing programs theA.onh looking at. 2.00 Ourat 99.95.Fjriheimore,program-remain programmed so only thelion.AKGdouble sided,we aretold thai AnThree fromoneIIsupplies the reset. The unitplugs into the user port and prouides eitension for 3.5may beand 5-25' drive ujledensi-how much RAM used was nits own OS on EPROfuln hasstatic eliminator inaipncedE11S9interestinglittlefrom Interlace Publications9 /I 1 Kensington High St.,LonaorWBSNP. 5.00. HoweverIgavethisto lastmASAPfrom Epson cameprinterSO charsconnections, prints'""The N rid VRdExtender offers such a reset,How many drivas it will cnntrol. single or douly, single oralthouHhitcommunication from Louise Smith, PRfirs.disk driva interface to control 3etc1available in 2 sIibs,5Qcm and 46 simply located under tha equipmert with the snap-onper line atto our45 CPS. We'lVSI Electronics Ltd,RoydonburL—to microdrive,itri"--.sounds very exciting and when1wethem they promised to send us oneed toHouse, ThistleiiotoughHill,Knares-HG5 BJW.Staticmattersdoesn't dowhichwillarrive.WalltoneLtd., Unitfor review but 15 has so far2 Crown Courtyard, ridgefailSt,present a programproduce miraculousisdiscusaW the tacio,s which*unication networkThow leTh e4'-DaWTcTele!, /re'adaptor is now available from 4-TEL Teleteit, 60 Cha SHighEdenBridge. Kent,TIslSEAXforaround 45.00St.,Ithe Spectrum's display resolution on any corrmercial inorator. hadapted monitor operating on a Spectrum aIspeciallyYet again we'll have a looka.one and report back.Tim Hartnell's book "SpectrumLogo" available al 2. 99 ThisIsessentially a listing of a pi Qcalled Logo K in BASIC andgram
n theseras"Ihebuying at 5. 95 each.Ihngt Longman haue made a deal with American compulerpublisher Svben 10 distribute their wares over here. Which isbookgoodBProgramming The Z80. Meanwhile, Ihey are bringing outMicroelectronics A-Z which appears TO be a guide to the wide varieand clBVBlopment of related language and terminology. Writtenby Malcolm Plant il costs E2.95 from, Longman Group Ltd,Hill, Harlow, Essex CM20 2JE.11Longman House, BurntaiBd Dictionary ofThisISComputinga specialist'seluded, for instance,Charles Babbage, n.(torndictionaryBabbagewhoiswhich deals with terms of comrefered to only as a high level-oh yes,ZX Spectrum and "ZX Spec- Graphics, Book Threet-specialised for the general user. For clubs, schools and groups, a useful publication is Computing In Print available from Cricket Hill, Yaiely, Mr Csmberley,Surrey GU17 7PGforE2.95. This isaround140 pages of infprma-'--tw9.f:' '„ 111STEP*"*fluVlC2iSiBftWMl""pROw""*diuided into various sections such as computers, hardware.languages, business etc. Ifs invaluable lot tracking down thai half CSP he produceda bookletwhich describes and explains howI1-slArl! 2 iSosr'- PUS "- ,? Biggest book of the month is The Century Programming CourseSpectrum, edited by Prof. Peter fulorse and Bnan Hancockand Published by Century Publications Lid., Portland House.1 2-13 Greek St., London W1 V 5LE (12.951, Ifs a comprehen-1 L111.iTtPW lSir,STtrj'.uiAlH" KwHIa pirate copy. Priced at 9 .95 from CSP Systems, 2 1 3 SteinbeckRd., Leeds LS7 2 LR it still left me thinking that a tape to tape copywouldn't be protected.plan to pro-screen shot "StarterCon:enfGBrden,ron:onWC2EIthree readers' enquines.now DKbut BSphere Books Ltd, 30-32 Gray'sinvented the Analytical Enginelittle 1trumdent but perhaps ahouse which has producedng Tutor program. Wherivered his letterdid not« of any such Spectrum pro-tyensipar-p' reiioustook s in B i 9 1for the51.computmgstraightforward, without flashy orgimmicky'' '' 'bisbook i'hen' rra mmoI"'iibbl' w' h7 kT' ""h'QL Quick Diskspictures."* ' "'driveand interfaces aresellingSi.sho i'ldf"a'j 5499"'Tn'd?Bl'lnowhopefully,Gf LISP IS wriiten by A.A. Berk(?l and published by Collins Profesand Technical Books, 8 Grafton St., London W1 X 3 LA forSubtitled "The Language of Artificial Intelligence this is asional a, 9 95."outstripping demand. So, ifyou're thinking of adding a fewdisks to you. QL, why not giveDespite the OL's slow InsideTheSinclairQL isafirstsince Sir Cliveyearpushing ahead with a numberl aylorpowerIllsand Diane Rogers, published by Sunshine and pricedof theisthealready well-British innovator'genlie introduction to the intricaciesetui090that; 'n'thei eBrly"'reirabint7n o-(hemaring on 0256-473232.QL internationalofatOL for ihemsel-es Another QL book fmm experienced authors Susan Curan andHay Curnow (published by Papermac, 1 Uttle Esse. St. London3LFI. Maximise Your QL EB,95 is perhaps a little motegeneral, some 1 00 pages on using the programs supplied with themachine, approx 70 more on Superbasic and graphics, a hit onfiles, a chapter of 12 pages called "QDOS in Depth" (1).Kempston QL Add-language versions of the OL,onsFrance and Spain havealready had the QL unleashedupon them, and the June /Julyface whichaFirst Istridgelaunch intoItaly.slot.L Centronics Interinto acar-ROMtitsThisinterlaceisDenmark andWC2RmaIce.Holland,Portugal,' Norway!Finland should allSweden andSeikosha, it also has the facilitydo high resolution screento1Isduefor early1985Commenting on the as yetunscheduled US launch, airlyleirthat plug into the aerial port o(theQ.Lbul as this one plugs iri-eayes:xCOMPin-IPJGAUGUST SEPTEMBERIE1e twoseria ports free
SOFTWARE NEWSIgamss logsIher,BULGE from Argus Press Software 3\ 3.99 and ARNHEUfrom Cases Compute! Simulations at 8.95 Baih prograrrsbe lZ9.96incliiclingVATOL Means BusinessSinclairOLmicrocomputBr,iswritlenbv AccoLnling Sadtvarehe Diayers. The grapliicsTHE BULGE was,„.deciEionsifthe computist rank!relatiueor hiring office8 monthsagohebiprograms and nowon thebuyinglent.Vitfoi SeretiriakQff,of finan-ailingil,The prograr1"'"''
.ISOFTWARE NEWSulbynom.it oundslikean Kemfis nliopeiohavrpolor racinggamewith gear chargi g andmanyatures.TliegaData dupliciur eyes openlekncwtha.if We'll keep JACK N MAGICLANDPop Quiz Updateg,, ' Anew.uptDdalBvarsioroflhe 2,000Sinclai'a pleasinisortherevewEducationalrurile SoiJX7 3DJ tC5.95.lt is;ook ot locatioppliedwilhapictures fe orvity Ideas forand so nepro ect/acet Willi the solg lonSpecirjm, Siuartproduced get hold ofwe'll tryforMikeo seem to be making ZXai software!mtheirGamesta! 5.9!separatelyw14PaddDGardens, Alv eston,kBrist1,address atBS12 2LFof the imml-sproBBblyrthchecking on. Sc IB oft6 2AT.ewtfiorpe, Eas A wide-060.24,proa rams s available f34 0AE. FilirHitom SD1,MicroBudgeting,Graphs, S ock and Mallintor awith whic full listtheyandmay beTliefirs officiallyar applicationa ble to help.back d program t hat know ofAasvoguBlle1at 6.9S.g didn't or,erMarshbroShSrretten,A, Imnact Sdliware sen sacppyo Petewhich'n Barryat 2''New Cullomplon, Letaseostyou 4,95an.provibe haracter se s (or usea varietyEclipse greand Teachers lookingEast Sussx,BN25 !HDor theirt;79Kilaoft[33 BriarlvnAvenge,fchencliffe.oftwaremayest lies.for theSpectrum andRd. C oventry,CV65DG.Hud OBtly alMike EdniLndahedSlatesBristlesxofplaTtoCmn en Educational club conipl te *ith a news ttar/magaiinewhich is worth having. The Club osts 4.00avea ID join and Ibe1452 Sloney StantonInArdrO! san Gardens.for EducationalmlB PSSha ve converted "BatllB for Mi way"Sorcery?) didn'ttionlhatthisA-e'llgiverlleTs'ava'SeDevon, EX1 5 1 HA for 4 95.Barnes1likedUandwh edy a happy hourely the prevorth seekingCSEAJsr*tape refusedrlocalshop an load.Stillhlr 1 6.95
, ZX COMMUNICATIONS us, Preslel reallvxoown flsTHE majDr travel io-Itsinfomalionisagents and in thiemiddleof the night or the middle of IhBdear'eoctly whichsailinasthese cheaper fares apply toOther ferry operators run similarching sailing.BcTa' dsBritishboards,MMMIHoverseasBail,bit.the English,.1 -- —'----'—. and Bri"sh TourislAuthority all have plenty ofpages, so there's sure to beeven-pahtyremove themodeparity8-bil, no-described shortly,KliJl TSpLTlS'while urirg"he oceVot sa i;K „d"."SmS .'n"Whichreceiving.IsHowever,established the carrier should'linebreak indicates problernswith the telephone line.WWt mrenoughloremovea byte beforenoise on the telephone line hascorrupted the data. After suchan error you must repeal the LD. rfl1r"your Prestel directory lo helpyou hnd the right page to starton, and start looking around.If you are looking for a lastI Ah.0 wfl/tvc n r u tmIA9 JWVf cp"'l"-i' i'"n'rbv'iThs's b'een 1m1'1VTXOOnominute holiday, the pages ofE llartHhu pageIftatta j 1'J \ anoanH orRP:)tanaoyTravel (page 290) may wellhaye what you are looking for.i7'-bll,toH you choose theparity :jm»\sometimes accessed By keyinghash (ENTER) from (he normalinformation page tor the mat-hotels,touristAND 7FHby Alan Giles,author of MelbourneHousesSpectrum Micronet Book.can pay you tocross tha channelJRZ.WAFT RXINA.(7FH)-normalthePrestelillstillAND7BHJR NZ.rine errorem ,B -AND7FHandIs slightlystans on page 54504. If youloot around these pages you vuferiy sailingsLD B,AwithMicronetfreElv a i/a liable InIhough some of the data is iriclosed user groups' and for useonly by Ifavel agents. You maytrayelWA„ ,KJ ., On-Linecomes in-jponyouinvitestoiquest retransmission.Whenched onlarge tour operators arranged byflateanfldestlnation.LDA,dataof11 Jtemode.:bytethe VTX5000itsets itself'7-blt even-parity'isswit-up in amode, whichDm-(7FHrAschool that uses Spectrumsbe worth telling them about TheTimes Network for SchoolsITTNS). This educationallyending programsor data.Youan gel "user to user" softwarevhich simplifies the use of thisbut if ynu do not have aacilltyGold ITT Dialcom technologyItallows, it is possible to82 5 1 communicationsrive thehip in theIheirpanel switch to theby using the codeRXposilioLD A,36 H,omething more complicatedhaneducation authority andVTX5000directlyInnachinecode.moreuseful, asusedto carryresets theThe transmitting and recelvinstations obviously need to agreon what sequence of bytes wino-panlyitallowsall eig
sameagain "'fa rife Fd"s'sss"s DeatZXCompuIirig, 1havediscovBredausefuleffect ZxarWhe'ruslnQ'"t'he''LPRINT faiflJustbeforeChristmas IslewtechTrtchord,gii/ingm Spectrum. twoPOKECDm'ma d5 Thesllunss'as Tu ETse'TAWh"er ShBdeofPale'and'TheBab POKE16507Jia Trichordtothemus
