NEW DISC-FIX ROM -- Two versions available: This ROM is an integrated. menu-driven DISC BEEB PRINTER ROM MAINTENANCE PACKAGE. Using simple menu SINGLE: Player type £7.00 each TWO Players type £11 .50 per pair Are you fed up with not being able to unravel your WATFORD ELECTRONICS --selections. with intelligible prompts for any input required. the user can recover data from printer manual and use all those features you paid damaged discs. Facilities include:- for? Need sensible paging for use in the creation of • Full screen editing of sectors on the disc. VOLTMACE'S DELTA 14 booklets? Then you certainly need our Beeb Printer Dept. BBC, CARDIFF ROAD, WATFORD, HERTS. ENGLAND. e Sectors can be found by file name or sector ROM . number. Hand-set A machine code printer utility in ROM . Tel: Watford (0923) 40588/37774 Telex: 8956095 WAELEC e Files and sectors can quickly and easily be * 'Single' key operations replace control code dumped to a printer for examination and possible Highly acclaimed at the Acorn User Show. This sequences for underline, front and size selection. subsequent modification: handset set is very reliRble and versatile. For paper movement, etc. Up to 30 come pre-defined, e COPY ; blocks of data can be copied from any further details please see VOLTMACE's advert without effecting normal fn key usage. point on the disc to any other point. Blocks can in this magazine. * Automatic fanfold page margins. Puts gaps in Ribbons be as small as one byte and can be transferred £11 .25 listings. PRINTed text etc to skip the folds. The gap BBC MICROCOMPUTER BBC GP100A Price: 'Delta t4' Hand set M XBOFT £4.75 £4.50 anywhere in a sector. £11.95 size alternates to minimise paper wastage when ADAPTOR MODULE MX t OO £10.00 £5.25 ~ SEARCH : The disc can be searched for any TRANSFER PROGRAM Tape £5.15 using binders. Model A-£260; Model B-£346 PRINTER FXBO £4.75 £4.95 string, starting and finishing at any designated Disc £7 .75 Form feed and related commands, made sector. * RXBO £4.75 £4.50 available on ALL printers. Can also provide a left Upgrade your Model A with our e VERIFY: Any block of sectors can be checked margin. Upgrade Kits and save yourself £ s s s for their validity. e FORMAT: Any track or group of tracks can be SURGE PROTECTOR Plug * User defined characters embedded within text are printed as on VDU . individually formatted to Acorn or Watford DFS Safely eliminates dangerous voltage surges. e BBCt t6K Memory PRINTER INTERFACE BUFFER standard. Dunng a thunderstorm, a nearby lightning * * Commands select option for GPtOO , STAR, IB x 4Bt6AP-3 t OOnS ) £20.00 e INSERT: Allows the manual creation of new strike can induce high voltage spikes in the NEC , MXI FX , LP VII I DMPtOO , DMP200. Operates • BBC2 Printer User 1/0 Port £7 .10 When your system tries to serve you well but its directory entries to al low " undeletion" of files. voltage supply or fluctuating loads can also with parallel interface printers and is turned on by e B BC3 Disc Interface Kit £85.00 efforts are frustrated by slow printers delaying from e BACKUP: This is similar to normal DFS result in transient overvoltages which if "FX5,3. e BBC4 Analogue 1/0 Kit £7.25 returning to more productive tasks then this is where backup but allows recovery after a disc error. unchecked, lead to expensive data e BBC5 Serial 1/0 Kit £7 .50 our Printer Buffer Interface comes to your rescue. Supplied complete with Manual. Available in t6K or 4BK memory sizes. Simply Completely compatible with both Acorn and corruption/ loss. Our surge protection plug will Price: £24 • BBC6 Expansion Bus Kit £6.75 Watford Disc Filing Systems. Instruction manual provide the necessary surge protection. Simply e Complete M od. A to B Upgrade Kit £48.00 t 0" Tractor Feed. connect the integral cables to your Micro and the supplied. replace your standard t3Amp mains plug with !When ordering, please specify the make of printer BO columns. 30CPS Printer and switch on. The free standing compact the surge protection plug (which is almost the you have .) Normal & Double width Char. unit lt30x t35x40mml is supplied complete with Price £19.00 1nterface cables, a power supply and a same size). Ideal for computers, Hi- Fi systems. Dot res graphics. Parall el Interface standard. Dust Cover for BBC Micro comprehensive manual. precision instruments, fridge freezers, etc. Max. ONLY£165 (£7 carr.) surge current 2KAmp; Max. Voltage 250 Volts. Protects your expensive M icro from foreign Price : J. 7 ATTACHE CARRYING bodies. £3.95 Price : (16K) £120 TINY PASCAL (in 16K ROM) INTERFACE CABLE PASCAL-Tis capable of compiling source CASE for BBC Micro Price : (48K) £149 PASCAL into a compact very fast These Attache Carrying cases are attractively DISC DRIVES (CUMANA) BB C to Seikosha Cable £10.00 threaded-interpreters-code. Full editor and disc PLINTH FOR BBC MICRO finished in mottled antique brown leatherette. An support are included. Comprehensive Protect your micro from the weight of the heavy ideal and very sa fe way to ca rry your BBC BBC COMPATIBLE DUST COVER for GP 100 £3.95 BROTHER HR- 15 documentation supplied £59 TV/ Monitor. This sturdy plinth is attractively Microcomputer. £12 t£2 ca rr .( DAISY-WHEEL PRINTER finished in BBC colour. It can be used to support FRICTION FEED a monitor or a printer. The micro slides An exceptionally high quality daisy wheel underneath comfortably. A must for every BBC GAMES SOFTWARE Attachment for GPt OOA or 250X Printers £22 printer at the price of a dot matrix printer. EDUCATION Software Micro owner. specially for those who have to (PROGRAM POWER) tBCPS; bi-directional. 3K of buffer; has clear move/open their computer frequently. buffer faci li ty, ca rriage skip movement. e Spare RIB BON for GPBO £4.50 Price: £10 (carr. £t .501 ALIEN DESTROYER £6.95 proportional ~pacing; underlining; bold print .JUNIOR MATHS PACK (32KI £6.95 e Spare RIBB ON for GPtOO £4.95 ANDEROID ATIACK IC.Concept) £6.95 and shadow print. Prints in two colours; super Makes learning fun for 5- tt year olds. This e Spare RI BB ON for GP250 £5.95 pa cka ge consists of 3 programs (menu driven) CHESS £6.95 and subscript facility. Impact control facility to that increase in difficulty as your child becomes COWBOY SHOOTOUT £5.95 • New Teac Slimline Uncased Drive S/ S 40 vary pressure on paper for making carbon competent. A very good supplement to PLINTH FOR PRINTERS CROACKER £6.95 track. 5t''. tOOK £135 GP-700 Colour Printer Screen-dump routine in ROM copies. Has Centronics pa rallel or RS -232 Escape fro m M oonbase ALPHA £6.95 New TEAC Slimline Cased without PSU , FOR BBC Micro £12 interface. Connects directly to BBC Micro. A standard educationa l methods. Keeps your desk tidy. Place the printer on the e GALACTIC INTRUDER SI S. 40 track, 5t", tOOK £145 ribbon cassette plus a separate red ribbon. MATHS TRANSLATIONS £5.50 plinth and the paper underneath. Finished in £6.95 GALACTIC COMMANDER £6.95 CS100- TEAC Cased w ith ow n Power Optional ex tras: single sheet feeder takes up to This package explains how to translate BBC colour. e KILLER GORILLA £6.95 t 50 A4 sheets; a keyboard that transforms Triangles and Quadrilaterals. moving these Supply, S/ S40track, 5f', tOOK £180 £10 (carr. £ t .50) LASER COMMAND £6.95 geometrical shapes on a grid. It goes step by e CD200- TEAC Twin Cased w ith own H R t 5 into a sophisticated electronics MUNCHYMAN £5.95 typewriter. Attractively finished in be ige. step through the concepts and the matrix PSU . S/ S, 40 track, 5t". 200K £350 ONE STOP MASTERMIND £4.95 e CS200 - TEAC Single Cased With own calculations involved. Excellent software. MOON RAIDER £6.95 ) Speci al Introductory Offer PSU . S/ S. BO track, 5f', 200K £250 SHOP WORLD GEOGRAPHY (32KI £7.00 BEEBSPEECH MICRO BUDGET £7.95 e CD400 - TEAC Twin Cased with own Beautifully drawn Hi-Res colour map of the < ONLY £375 PENGO IWatfordl £7.75 PSU . S/ S, BO track, 5' ", 400K £475 world illustrates and aids this graded series of SYNTHESISER SWOOP £6.95 e CS400 - TEAC Cased with own Single Sheet Feeder tests on capital cities and populations of the ~ingle SEEK PSU . D/S. BOtrack. 5f'. 400K £310 w orld . Simply the beat I £5.95 Watford's very own speech system, specially 747 FLIGHT SIMULATOR £7.75 e CD800 - TEAC Twin Cased with own WORDHANG £7~0 designed so that even a novice can make his PSU, D/ S, BO track. 5f'. BOOK £599 (Age 7- t3). A word guessing program based BBC talk. e MITSUBISHI Slimline - Uncased. double SPECIAL on the well known Hangman game. Uses full PHONEMES for word synthesis allows density. Double track. 5t''. t Megabytes, track * XMAS OFFER * colour graphics. Complete with 260 words unlimited vocabulary. Software in ROM LEVEL 9 ADVENTURE GAMES density 96TPI, track to track access time and the facility save your own list of words. supplied with the unit. The system is built in a COLOSSAL ADVENTURE. The classical 3mSec. Plugs directly to Cumana CS 100 Drive WORLDWISE £7.80 small plastic box. Very compact. Connects BBCMicro. ONLY£220 (Age 7- t5. Two constructive geography mainframe game " Adventure" with all the directly to the user port. original puzzles plus 70 extra rooms. e SINGLE MITSUBISHI Slimline- Cased Cumana CS400 Drive programs allowing children to build detailed with own PSU , DS/ DD, t Megabytes. (400K Price including Manual: £39 £8.65 data bases covering both the UK and the with BBCI £275 Cumana CDBOO Drive world. Encourages children to refer to atlas ADVENTURE QUEST. Through forest. e TWIN MITSUBISHI Slimline Cased with Seikosha GP1 OOA and reference books. Save the database mountains, desert, caves, water, fire. moorland own PSU , DS/ DD, 2 Megabytes. (BOOK with Epson RX80 anytime. DISC EXECUTOR and swamp on an epic quest vs tyranny. BBC) £535 t 00 CPS. 9 x 9 matrix, dot addressable PRINTER ...... Disc Executor is a sophisticated disc utility, ANIMAL)VEGETABLE/ MINERAL £4.95 £8.50 e Single Drive Cable for BBC Micro £7 graphics, condensed and double width printing. (Age 7- t31. Provides an opportunity for designed for the BBC Micro, which allows you DUNGEON ADVENTURE. Over tOO puzzles in • TwinDriveCableforBBCMicro £10 Normal, Italic and Elite Graphics. Tractor feed. Seikosha GP250X to transfer almost all of your tape software to children to teach the computer to the Demon Lord's dungeons. e Dual SWITCHABLE DRIVES, 40/ BO. t 0 " max width. bi-directional. logic seeking. differentiate between objects. The program disc. It will handle 'Locked' programs and PRINTER ...... _Q2-5- £8.50 400K. Cased with own PSU , Slimline £495 Centronics Interface standard. tries to guess the object the child has allows you to load full length adventure type Epson FX80 PRINTER ..... ~ thought of. using personalised responses like programs (i.e. up to &6E blocksl from disc in SNOWBALL. Save a 7000 location colony 5-;t" DISKETTES ONLY£239 (£7 carr.) seconds rather than m inutes. starship in 2302 AD. Mmm I am thinking. 5 year warranty £8.50 BRITISH GEOGRAPHY £6.95 Price: £12 e t 0 Verbatim or 3M U1skettes. 5f. S/ S £20 Teaches a child the locations of Cities and RX80 F/T PRINTER e t 0 Verbatim or 3M Diskettes. 5 4 ". D/ S £30 LISTING PAPER Ports using directional keys. 2 year warranty CAROUSEL £5.50 Prices correct at the time of going to press. As above but has both Friction and Tractor Bt" or 9j-" Fanfold paper plain or ruled e t 0 WABASH Diskettes. 5.1". S/ S £15 Feed. £269 Aimed at junior school age. Sequences ot MAIL ORDER AND RETAIL SHOP. TRADE AND EXPORT INQUIRIES WELCOME. e t 0 WABASH Diskettes. 5t". D/ S £25 ( t 000 sheets) £7 1£ t .50p carr.) colours and sounds teaches a chi ld to GOVERNMENT AND EDUCATIONAL ESTABLISHMENTS OFFICIAL ORDERS ACCEPTED. CARRIAGE: Unleoo oteted otherwioe, pt.. oe edd 80p to ell ceoh ordero. • Carriage on Drives £7 t 5" Fanfold paper I t 000 sh eets) concentrate. Epson FX80 Printer £9 1£ t .50p ca rr .) HAPPY NUMBERS £7.80 VAT: UK cuotomero pi•••• edd 15% VAT to the total coot incl. Cerriege. (Age 4-6) . No reading skills are required to t60 CPS. tt x 9 matrix. proportional spa cing. Teleprinter Roll (econo paper) £4 1£ t .50p ca rr .) SHOP HOURS: 9 .00em to 6.00pm. Monday to Seturdey. (Ample Free Cer Perking Speceo) DISC ALBUMS use this colour graphics number recognition superscripts. subscripts. dot addressable graphics. ACCESS ORDERS: Simply phone: Wetford (0923) 50234. (24 Houro) and counting program. Children build patterns Attractively finished in beige Normal. Italic and Elite characters. Up to 256 of flowers corresponding to figures. quickly leatherlook vinyl. Stores, protects and user definable characters. Down loadable PRINTER LEAD 36" learning their significance. displays 20 discs in double-sided character set. Condensed and double width INTRO TO ARITHMETIC £10.45 clear view pockets. 0 N LY £4.95 printing. Full proportional spacing. Four user Read y made printer le ad to interfa ce BB C M icro 4 programs - Additions. subtractions. defined margin positions. Tractor and Fri ction to EPSON . SEIKOSHA. NE C. etc .. Pr in ters. multiplications and divisions. Help stage. feed. tO" maximum width Bi-d~rectional , logic moving graphics and colours. Worksheet PLASTIC LIBRARY CASES seeking Centronics interface standard. produced at the end of program. 15 -7 years old). •A• gives information on all files in the current MISCELLANEOUS CONNECTORS EPROM for the BBC MICRO & directory which have an "A" anywhere at all in Written by Professionals. BBC Micro their filename. Sockets ROM SOCKET BOARD Cashbook Accounts £52 Plugs 13 *THE ULTIMATE* • Comprehensive and clearly written Manual WORD-PROCESSING 30p 45p Final Accounts £52 RGB 16 pin DIN ) 1+ 25+ (available separately) gives the user a complete 30p 40p Invoices & Statements £17.25 PACKAGE RS423 15 pin Domino) 2764-250nS BBC MICRO DFS package deal. Casse tte 17 pin DIN ) 25p 65p £4.20 £3.75 Commercial Accounts £17.25 • Fully compatible with BBC TELETEX and TORCH ECONET 15 pin DIN) 15p 25p 27128-250nS £18 £13 Mailing List (17.25 A complete w ord processing package Paddles 11 5 pin 'D'I £1.10 £2.15 Systems Database (17.25 27128-400nS £16 £14 consisting of: BBC Model B, Zenith 12" Green Disc to BBC Power Plug 6 pin 70p DFS ROM only _ _ .. __ £39 Stock Control £17.25 Monitor, Twin 200K highly reliable (1 year Disc Drive Power Plug 4 pin 60p 8271 £36 by Watford Electronics Complete Disc Interface including our highly Home Accounts £17.25 warranty) Twin Cased Disc Drives with own Beebcalc Spreadsheet Analysis £17.25 High acclaimed at the Acorn User Show. sophisticated DFS ROM and fitting instructions_ £85 power supply, the popular WORDWISE word Beebplot (17.25 What do the independent press say 7 Comprehensive and clearly written DFS MANUAL. processor, Watford's own highly sophisticated CMOS RAM for the IP.S. This manual will only be sold to those who N.B. All the above Gemini software is on tape. 62 File DFS interface fitted, the world READY-MADE LEADS Good value for money - Beebug Aug. '83 purchase our DFS.I £7.50 (no VAT! For Disc Based 140/80 track) please add £3. renowned Brother HR15 Daisy Wheel Printer, 13 ROM SOCKET Board A very worthwhile package - The Micro User Gemini's Beebplot & Beebcalc Spreadsheet 6116-150nS (2K) £3.40 P.S. for BBC You'll be buying a very powerful package - We will exchange your existing ACORN DFS Analysis Software discs, 10 blank diskettes, 6264-1 50nS (8K) £26.00 Personal Computer News BOOKS (No VAT on Books) CASSETTE LEADS 7 pin DIN Plug or AMCOM !PACE! DFS for the highly superior 500 sheets of fan-fold paper. Manuals and all to 5 pin DIN Plug + 1 Jack Plug £2.00 Superior DFS ; Excellent disc sector editor - 30 Programs - BBC Micro ...... £4.95 Watford's OFS ROM for ·- _ the leads. to 3 pin DIN Plug + 1 Jack Plug £2.00 Computer Answers £35 30 Hour BASIC (BBC Micro) . £6.00 All you require is a mains power point to have to 7 pin DIN Plug £2.50 EPROM PROGRAMMER for 36 Challenging Games for BBC it up and running (we even supply the 4 way to 3 Jack Plugs £2.00 Without a doubt, the most sophisticated DFS Micro ...... £5.95 mains trailing socket). 6 pin DIN to 6 pin DIN Plug (RGB) £2.50 BBC MICRO Software yet written for BBC Micro Computer. ONLY £1,350 (carr. £15) DISC DOCTOR £26 100 Programs for BBC Micro ...... £6.95 Monitor Lead, BNC to PHONO £3.00 At last!- the EPROM Programmer for BBC This powertul new DFS is fully con•patible with Cassette version of above ...... £1 0 (P.S. We will alter the package to suit your ACORN DFS yet has much increased power A sophisticated Disc Utility ROM with many useful particular requirement. Call in for a Disc Drive to BBC Micro Power Lead Micro Computer from WATFORD ELECTRONICS commands. I For detail description please refer to 6502 Application Book . £10.25 Single : £3.00 Dual £3.75 that will suit both your pocket and all your due to additions, carefully designed to make demonstration.) Computer Concept's advert in this magazine.) 6502 Assembly Lang. requirements. Programs all popular types of life easier in normal use. It consists of over EPROMS from 2K bytes up to 16K bytes - 14K of efficiently written machine code. It is Programming .... £12.50 2716- 2516-2532- 2564- 2764- entirely self contained and so does not require 6502 Assembly Lang. 27128. a utilities disc to function. Subroutines ...... £1 1 .80 MONITORS * SPECIAL XMAS OFFER * This extremely powerful system is designed for • The system can either use the ACORN 6502 Software Design . £10.50 your needs of TODAY & TOMORROW!- BBC standard 31 files per disc side or DOUBLE THE MICROVITEC 1431 Microvitec Med res. Wordwi~ A young persons guide to BBC Basic .. £4.50 1431 14" Basic programs can be copied into EPROM and CAPACITY to 62 files. The size is selected at 14" Colour Monitor, RGB ACORN ATOM Magic Book . £5.50 subsequently re-loaded faster than from a disc I formatting time. Copying between discs with Input. las used in BBC MONITOR ...... ~ £209 Advance User Guide for BBC ...... £13.50 Suitable for both hobbyist and professional different catalogue sizes works perfectly Without doubt a very sophisticated piece of programmes) FREE Interface Microvitec 1451 Hi-res 14" users! normally. software for the BBC Micro. It has all the Advanced 65021nterfacing ...... £10.95 Lead . £2151carr. £71 • A FORMATTING PROGRAM is built in, features of a professional word processor yet is Advanced 6502 Programming ...... £10.50 Just look at these features: MONITOR ...... ,..Ol{Y £319 permitting formatting to 35.40.80 track formats easy to use. Assembly Lang . Programming e KAGA RGB 12" Medium e COMPLETELY SELF CONTAINED­ with either 31 or 62 files. Since the formatter for BBC ..... £8.95 Resolution Colour £219 KAGA I MONITOR Housed in its own sturdy case - Uses its own is built in to the DFS it can be used without SPECIAL XMAS OFFER: (Carr. £71 power supply - connects directly to the 1 M Hz only£33 Advanced Programming Techniques for the RGB ...... affecting whatever program you are using. e KAGA RGB 12" High Resolution Col oar £2-l-s-- £205 Bus - Simple and Safe I • A DISC VERI Fl ER is also built in. This BBC Micro ...... £7.95 £2591carr. £71 e FULL SOFTWARE SUPPORT- Comes checks the internal checksums on each sector BBC Basic.. .. £7.95 e BNC Connecting Lead £3 complete with simple to use fully machine to identify any corrupted data. This is extremely Assembly Lang. Prog. on BBC RGB Connecting Lead £5 BEEBFONT ROM e code ROM based software and easy to useful when saving valuable data as it shows Micro ...... £7.40 e ZENITH 12" Green Monitor 13ROM understand manual. Facilities include A new concept in 8 BC Software from Watford. This is faulty discs quickly and easily. Again it does BBC Forth . £7.50 Hi-resolution £75 1£7 carr.) Varification, Reading, Virgin Testing, Writing, not affect the program you are using. a character FONT ROM that gives you 5 16x 16 e MICROVITEC 1451 Hi-res SOCKET BOARD Editing, Saving, Loading and more I NOTE II - • A built in DISC SECTOR EDITOR gives a predefined FONT. The ROM is ideal for high quality BBC Lisp £7.50 14" Monitor incl. lead £319 This software does not simply comprise hastily screen window onto the disc enabling detailed demonstration on screen and when used in B BC Micro An Expert Guide ...... £6.95 e NEW MICROVITEC 14" Colour Simply plugs into one of the four prepared routines to get you going, but is a e':liting of any byte on the disc. This is very conjunction with EPSON printer. allows printing of Easyprogramming for BBC Micro .. ... £5.95 £249 professional, purpose designed applications letters etc., in mixed type faces. Now with BEEBFONT Monitor/ Composite Video ROM sockets currently available in u ;eful for recovering accidently deleted files BBC Micro Graphics and Sound ...... £6.95 package. in your BBC you can write letters to your European BBC Micro. There are only 4 solder and can save weeks of work. BBC Micro ROM PAGING System e ACORN BUS COMPATIBLE- Use of the • A double step mode allows the user of 80 friends with the correct alphabet. The package is Explained ...... £2.95 connections to be made. Full 1 MHz connection complies with all Acorn TRACK DRIVES TO READ 40 TRACK DISCS. complete, including an Editor to design your own DATA RECORDER & instructions are supplied. addressing recommendations - That means you This mode is software selected for each drive fonts and several spare fonts which could not be BBC Micro Revealed ...... £7.95 ACCESSORIES can still add-on such things as the TELETEXT, individually, thus allowing a 40 track disc to be fitted in the ROM . Can still be run from RAM. BBC Micro Instant Machine Code Our 13 ROM SOCKETS BOARD enables the IEEE 488 TUBE and PRESTEL copied onto an 80 track one very easily. THIS Supplied complete with ROM, software on disc/ tape including Software Cassette ...... £34.00 Top quality Slim line, portable Data Recorder for User to increase the Sideways ROM capacity Adaptors without having to disconnect ELIMINATES THE NEED FOR EXPENSIVE and manual. Creating Adventure Programs computer use. Mains/Battery, operated with the basic four sockets on the main board upto everything. SWITCHABLE DRIVES. Price:£45 on BBC Micros ...... £6.95 counter £24.00 the full SIXTEEN capable of being supported by e Allows more than one program to reside in • A WORKFILE function sets the name to DATA RECORDER CABLE current operating systems. In addition the board an EPROM using the ROM Filing System. be used when the null filename is issued. This Creative Graphics Cassette (Acornsoftl. Has For our Data Recorder to BBC Micro £2.50 36 graphics programs...... £8.95 is designed with the facility to hold upto 16K allows a program to be edited and repeatedly DISASSEMBLER DATA CASSETTES Top grade C12 Data RAM. which when switched into operation is ONLY £89 incl. Manual (£3 carr) saved having only typed its name once. Creative Graphics on BBC Micro ..... £7.50 Cassettes in library cases. 40p Will generate fully labelled assembly listings of automatically selected by any WRITE signal to • When using LOAD. CHAIN, etc. it is possible any machine code program. Data is Complete Programmer for BBC ...... £5.95 STACK PACK The unique Cassettes drawer the Sideways ROM area. This gives the User tne to specify an ambiguous filename. This will rack system including 10 off C 12 Data automatically differentiated from code and Discover BBC Machine Code ..... £6.95 ability to write a utility or language and upon BEEBMON result in the first file whose name matches the displayed together with its ASCII equivalent. Discover FORTH - Osborne ... £ 11 .2 5 Cassettes £6 pressing break have the utility or language u>· A ROM based machine code Monitor for BBC Micro. specification being used. This saves typing the Assembly listing can be saved in •EXEC format Easy Prog. for BBC Micro .... £6.50 and running (new ROM software can be end of a filename that you know is uniquely and subsequently incorporated into user developed and tested in situ.) It enables machine code programs to be debugged 35 Educational Programs for BBC and altered easily and quickly. Being a ROM , its identified by its first few characters. programs. Cassette: £6.95 The Board gives the User. plenty of freedorr. to • Two commands exist to simplify the transfer Micro £6.95 BEEBPLOTTER explore the possibilities of the new paged ROMs commands are always readily available and occupy no Disk: £8.95 user memory. Appears to take no base page and only of programs from TAPE TO DISC. These load Further Prog. for BBC Micro ...... £6.90 The Unique Graphic Tablet due in the coming months and offers them the the file to & 11 00. switch off the disc system FORTH Programming (Sams) ...... £12.50 chance to develop their own. one page of relocatable workspace 1256 bytes) and no more anywhere in RAM. Beebmon can do more and then move the file to its correct load Functional Forth for the BBC Micro £5.95 Watford Electronics' BEEBPLOTTER will work All essential lines are buffered and the Board address; thus saving a lot of complicated EMULATOR with 32K BBC Micro. Connects to Analogue meets or exceeds all timings for operation in the than any other machine code monitors currently on Games on your BBC Micro. .£2.95 the market. The special features include facilities like : programming. This command can be used to An extremely powerful and flexible machine port. The unique design makes it accurate BBC Microcomputer. When fully populated. the Games BBC Computer can Play ...... £6.95 TABULATE, MODIFY, FILL, COPY , COMPARE, load files up to 2 7 K 7 5 long. code interpreter. Allows you to write and and simple to use. Attractively finished. The ROM Board consumes less than half the Getting Acquainted/ Acorn ATOM .. £7.95 SEARCH IHEX & ASCII) CHEKSUM, • An advanced COPY command is included debug machine code as easily as BASIC. comprehensive booklet supplied describes its recommended maximum current limit. which will prompt the user, requesting whether Features single step, breakpoint register Graphs & Charts on BBC Micro ...... £7.50 use in detail and shows some of the possible DISASSEMBLE, RE -LOCATE and by Emulating the Supplied ready-built and tested complete with 6502 processor, SINGLE STEP, BREAK POINTS ON to copy each file. display. edit modes. etc. Cassette; . lntro to Micro Beginners Book applications. 7 25 fitting instructions. READ / WRITE / EXECUTE OF LOCATION also BREAK • RENAME has been extended to allow the (3 Ed .) ...... £9.90 Disk £9.25 The special features include:- POINTS ON A, X & Y REGISTERS are provid~d . use of ambiguous filenames. This allows you to Introducing the BBC Micro...... £5.95 ONLY £29.95 (carr. £1) change BERT1 . BERT2 . BERT3 to FRED 1. • Works in all graphics mode and any colour HAS WINDOWS INTO MEMORY & TEST LISP...... £9.25 WINDOWS. All this and more for only: £25 F'AE02 , FRED3 with only one command. Logo Programming...... £8.95 selectable. • OPENOUT has been improved to give you • Commands printed on Tablet and VIEW Acorn soft's Wordprocessor ROM. £52 Micros in the Classroom .... £4.90 fewer annoying 'Can't extend' errors. as it Practical Prog. for BBC & ATOM ..... £5.95 On-screen instructions. +NEW LAUNCH+ BBC LIGHT PEN KIT automatically picks the biggest spa ce on the • Special routines enable pictures to be disc in which to put a file. A SPACE command Programmingthe6502 ...... £10.75 ·quickly loaded from tape. All parts available as per Acorn User's 'SHINE A lets you know how much space •cOMPACT FORTH ROM for BBC Programming the BBC Micro ... £6.95 • Works with all operating systems and ZSOA WITH CP/M 2nd LIGHT Light Pen article. could create before you waste time doing it. This superb (FIG FORTH) compiling language PASCAL...... £9 .25 ECONET. Tape and Disc versions available. Kit Price: £8.95 • 2K of RAM can be reclaimed from the DFS now available in ROM . Simply plugs into one Mastering VISICALC (Sybex) ...... £11.95 • Large drawing area 132cms x 23cms). PROCESSOR BOARD by setting " PAGE" to & 1100. of the ROM Sockets. Manual included. £36 • Maps, Pictures and Diagrams produced Structured Prog. with BBC BASIC ... £9.50 quickly and easily. Plus Double Density Interface for Now with extra features: The BBC Micro Book. BASIC, SOUND & BBC LIGHT PEN • The powerful library system has been • Transparent tablet enables maps and BBC MICRO A ready -made Light Pen for BBC Micro. Enables you GRAPHICS ...... £7.40 extended so that libraries now work on all diagrams to be copietJ directly from books. Yes it's here. our Z80A 4M Hz 2nd processor to produce drawings on your own TV/ MONITOR BBC Micro Assembly Lang. Prog ...... £7.95 accesses not only •RUN. This allows you to • Commands include line. circles and board with 64K memory, 4K monitor EPROM, screen . Supplied complete with Software Cassette BBC Micro Disc Companion ...... £7.95 have a utility directory with all your commonly ONLY THE BEST AT rectangle drawings, infilling. full editing and parallel printer interface, CP/ M based, double and instructions. used programs without muddling in your WATFORD BBC Micro in Education ...... £6.50 an easy to use copy and move feature. ONLY: £17 density board w ill handle, 3t". 5t'' and 8" current workfiles. Very useful for BCPL User. Basic Programming on BBC Micro ... £5.95 • Screen dum<) routines included for Seikosha floppy disc drives and many more facilities. All • Programs can now reside lower in memory Graphic Art for BBC Computer ...... £5.95 and EPSON printers. neatly housed in a twin slimline disc drive by reclaiming some of the DFS' workspaces, Graphs and Charts (Cassette) ...... £8.95 • Routines are included to allow user to case. WATFORD incorporate pictures in their own programs. 1ndeed PAGE can be taken as low as £1100 Graphics on BBC Micro ...... £6.95 ACCESS ORDERS BY TELEPHONE • Designed by a professional teacher with ELECTRONICS under most circumstances. Programing for Education on BBC .... £5.95 • To make DFS easy to use. wild cards ("•") educational uses in mind. Using Floppy Discs with BBC have been made vastly powerful, e.g. "INFO Continued~ Micro ...... £5.95