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ZX Computing Magazine (December 1982)

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ZX Computing Magazine (December 1982) QoEflRironca® Britain's Biggest Magazine For The Sinclair User 33 20 pages and programs far the zx spectrum, ZX80 and ZX81 computers PLUS • 3-D craphi • Maze-Chaser on • Education and bu: Sinclair Computers • Defeat the wall With Only iinczlair- COnPUTERGUIDES $_ PUBLISHED BY SINCLAIR BROWNE LIMITED SB The ZX Spectrum Explored INCLUDES OVER 20 PROGRAMS by Tim Hartnell, Editor <il 7.X Computing Magazine Forward l>v Clive Sinclair In ihis practical guide — ,viln programs throughout -Tim Harm " ' ling in In ill .: he 7.X Spec i he I mil In He lot Ihe iim'iiI sound. mil 3D graphit jiul shows how in write programs m l 01 us well .is Inns hi use machine code ZX Spei Hum The ZX Spectrum Explored is rompl. mans programs for education. Iiusiiiis OtUiberlS-82 apptox.f5.9S Sit. 65 John Wiley & Sons Limited England Baffins Lane • Chichester • Sussex P0191UD . ZX SPECTRUM HARDWARE ZX81 Klik- Keyboard 24 line program ma bla Input/ Output Port D.i. AVAILABLE NOW KEMPSTON ELECTRONICS ELECTRONICS 180A Bedford Road, Kempston. Bedford. ON TEL: BEDFORD 852997 use of the game in NEW SHIP OF THE LINE' - An adventurous management game. ::-.-.. i.iitlcyoin wayupmeranks.encounterenemyfleets... surv :.'_> :nu: my fever and famine., endure fog, fire and thirst... then ' ' .-. SPECTRUM . ..: . .:.": 16K5PECTRUM£4.9S 4aKSPECTRUM£B.S0. SOFTWARE MULTI FUNCTION CASH CONTROLLER Takes care of your Home Budgeting, Bank Account, Stand™ Oidi.-i; JACKPOT FBUTT MACHINE Loan and Mortgage Repayments Complete security ensured by password. budgeting bargain for only £10. } 'eaturir.g holds, nudges and realistic hi. res. symbols secret A 48 K SPECTRUM like the real thing! 'SHAKEN BUT NOT STIRRED! 1 A James Bond 007 Adventure. ATTACK Recover a stolen warhead from the lair of D: Death, b betbie they destroy you Fantastic fast action fun. Both the trail across contiriifnT:! ic-sie hii socrst island oi 36, 48 K SPECTRUM steel Bsied giant Paws then End yourself in his underrate !:'.;;. li:ilvii:id the missile... But ft Doesn't End There' t ;.'-. .v::..;ii. :r.i Sl.'.''.-l hi: Can you resist being OOP Only £6. SO 48K SPECTRUM. SUPER SPACE MISSION Incredibly fast machine code graphics. Dodge the swooping aliens ::. : .- ..:. : .:;. .:. I : r:.. :....-. :. : :: :. i moving starship. Really exceptional graphics, seven skill levels, only £4.95 for 16 oi48K SPECTRUM or 16KZX81 Escape from the depths of the legendary El Dorado mine by dodging I I the monsters and collecting the golden nuggets Pull machine code, . Oniv -A 96 b% IBor 48K SPECTRUM or 16K ZXB1. E I ORDER BY DECEMBER! Richard Shepherd Hi:l,i:^ Software . CONTENTS Mastering Machine ZX81 16K Spiro- Code On Your graph Spectrum A Pair of Zippy Road Runners 1" wage control For A Making Sense Of Small Firm f" Bubble sorting . for IheZX8l and Spec What's It All About Michael? 52 All in All You're Just Another Brick. .J Don'l bang your Stretching Your anddemolishitb spectrum Rules The Spectrum 15 waves 5 Three Dimensional Cubes on the ZX81 37 Luc de Jaegar Irom Belgium For The Praise of you his discovery of haw First Steps in Mazogs 21 cubes on your ZX81. Programming the Fancy A Drop Of Spectrum 58 Bubbly joul this highly On Your Marks 61 Life in Machine Code m X COMPUTING DEC 1982MAN1! HMlMEl® Adding A Tape controlling Your Counter 65 Hcash jffl Starting Off At The iji'-jiiiiiiii'i'^g Sharp End f Clear vour ZXB1 Formidable soft- ware 116 readers display their judg Snakes Alive In Outer Our ZX80 Fights Back!. 70 Space 95 Squeezing It All mtolK 118 Number Crunching On Your Spectrum andzxsi l ll ' , ' . M „. , l , I MJ .lif» the SPDE- Making mat l. : .nw Qui] Not All That Glitters HCetting stuck into Hascolour 77 TheMaze 103 Machine Specifi- cations 127 Board Games For Your computer .106 starships. and steeling through m Train Entries Steam Spanish and Corner Chequers. Under The zx- scope IX COMPUTING DEC 19B2UAN1! EDUC ATIONAL COMPUTING Suit J I children ZX LOADING AID for I ages 5-11 o. zxai or zx spi /Dlume Set. flea LED [rally] on — yolume loo low. Yellow LED on — Volume loo high £11.9S [met Inslructkint. p«p s VAT] ZX81 KEYBOARD BLEEPER E9.B5 Unci. Illustrated Inatrucltons. p&p ft VAT| T-SHIRTS £3.50 SWEATSHIRTS £7.50 SPECTRUM" * Rainbow Terrific nana airbrusnaa mull coi.jijkm designs. "I'm a Micro ABdicI" or -Micro ComDulers Take You Into Another World", aga.nsl space scene. T/S £4.50 S/S £9 Spec.ly size required - 24" - 44" SEND SAE FOE FURTHER DETAILS ZX81 dPCHlNE CODE? ZX.ASZMIC ram transforms ZX81 intoan Assembly Language programming unit a FULL- SCREEN EDITOR 'a MULTI-FILE -SYSTEM a TOTAL ASSEMBLER « POWERFUL DEBUG * HI-RES GRAPHICS ComprOCSyS limited m MUCH. MUCH MORE ZX COMPUTNG Dl . NEW! ZX SPECTRUM TAPE NOW READY! NEW! & EXPANDED DISC VERSIONS FOR APPLE, PET AND SHARP! What are you . Barbarian or Wizard? Choose your character type carefully. .Barbarians recover quickly but their magic doesn't come easily. A Wizard? Slow on the draw and slow to mature. ..but live long enough and grow wise enough and your lightning bolts are almost unstoppable. The Valley is a real-lime game of adventure and survival. You may choose one of five character types to be your personal 'extension of self to battle and pit your wits against a number of monsters. Find treasure, fight a Thunder-Lizard in the arid deserts of ihe Valley, conquer a Kraken in the lakes surrounding the dread Temples of Y'Nagioth or cauterise a Wraith in the Black Tower. In fact, live out the fantasies you've only dared dream about. BUT BEWARL. .more die than live to tell the tale. The Valley runs in a 48K Spectrum (a I6K version will be available shortly) and makes full usage of the excellent colour and graphics capability of the machine. As you battle your way up the ratings your character can be saved onto tape, to re- enter the Valley another day — if you dare! Full instructions are included with the game, but if you want more detail on the program, a 16 page reprint of the oriitnal 'Compuline Today' article is available at £1.95 all inc. If you have the couraee, the Valley costs only £1 1 .45 all inc. from ASP SOFTWARE, 145 Charing Cross Road. London WC2 OEE. The times the are a-chai dec-El 50 orders (or the Spectrui Several Camberlev. Clive Sinclair sa^ including that sales ' ' le which by 500 CB from iiacxagos. -ncludng programs tour are £69.95 with the -(nso.'y titles of gomes w decide to Wico Storm Spec* ntijders programs shelf right and Greet Bn;a.n Limrtot) displays itly in line Nick t>ea-:<: continues to Bubble i Commodore have a £99.95 isoe Soectrumi ATTH the £49.95 Binatone Byi Space Mission. th.ough i-e pages of thl a large body of good software. ^ al'cody seems to have tha mer qui business right nov ores shortly, and the the >ar( status of a <-X81 o' mak.ny the most of you no the unique MAiOfiS ,..., ,-, „ th 7_X Comouting. Bug-Byte. We look at vace add-ons, as well, TIM HARTNELL Build the Spectrum, is c up a sizeable following. But despite this compi rs'Club, 44-46 EadsCouri d. London WE 6EJ, whicr Editor Tim Hartnell looks at the changes occuring in the low price computer market, and previews the contents of this bumper issue of zx Computing. Musing on memory Dear ZX Computing. At MEMDTECH we were naturally very pleased by th nice things Tim Langdell had to say about us in "RAM. SWEET RAM'' - the review AugfSep issue. It r awaken Our 16K pack now sells at £29 90 including VAT _ 5 p less than Sine: lair I At this price we only offer £10 trade-in for a 64K so the Well, it certainly contains 64K of RAM land we don't know of any 56K chipsll The 64K of RAM is usable by any Z80 processor that will tat MEMO TECH has been iming for maximum forward ompaiibility The 64 K pack light for example come fo be pectrum. Another possibility of qui 1GK pack will now work with either a MEMOPAK 32K. a Sinclair 16K pack or another MEMOPAK 16K10 give a total of 32 or 48K. 4) What cen you do where? Then from Sinclair - always loaded my 2X80 from my recorder powerful enough to actually get it to load. The Obviously, if only IK of RAM is available, (he full display file leaves little space labout enough to fill a football stadium) to get a reliable load on my Spectrum. I guess the system. Again, the Spectrum shame thai the Thames Valley area. ISIough, Reading, Windsor. Bracknell] does not when is 16K not? Sabature' replies Secondly, concerning yo 'eviews of STARTRECK. Business hints piograms. 'utility rout find ihe lime to delve myself) wh RAM great) than 16K. Many of "16Kprog. run in less than 16K Bromwich areas. For further Gold in the Aug/Si information contact Conrad Roe, Walsall 25465 after PRINT 6pm or write enclosing S.A.E. PEEK 16397 - 16509 please, to 25 Cherry Tree the length of the progr Ave. Walsall. WS5 4LH We keyboard; unlike most of the are in the heppy position of keyboard illustrations, I heve filed a slot on the right hand [ growing day by da Ay wife can put up stly to stop my 16K RAM ck "crashing" - ell I heye mped Dining Room. rows of its casing, which slightly further apart than the held when fitted inside the casing - this has completely always produces a 'podded C Flogdell, Brandon out'' display file.
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