SPECTACULAR PROGRAMS FOR THE BBC MICROCOMPUTER FROM ACORNSOFT

Autumn 19M

Acornsoft Introduction

Acornsoft's spectacular passion, Acornsoft offers a suitable for Model A programs open your eyes to variety of scintillating games the exciting world of personal for all the 'children' in your suitable for Model B computing. Specially family. designed program packs indicates you can use covering games, educational By looking at our special joysticks symbols, you can tell in what and home and business requires 6502 Second form the programs are l6so21 applications are available for Processor your BBC Microcomputer. available: You can teach yourself to *To use ROM software your on cassette program. Do your own (ggJ computer should be fitted with accounting. Run your home life [i] on disc the 1 0 machine operating more efficiently. Design your system, or later versions. This garden. Play an active part in 00 on dual format 40/80 will be supplied free of charge your children's education. And track disc if required. generally increase the pleasure you get from your via plug-in Read Only computer. If games are your Memory (ROM) which can be specially fitted by your dealer*

Acornsoft Home Education

The home education range has simulations in the range those which are more recent been designed to help people stimulate interest and include the very latest .of all ages to enjoy and control concentration. The success of developments in educational their learning. The fascinating many of these programs has software. activities, facilities and been well established, while Acornsoft Home Education 4

ABC l&illll ® For over 100 years the old ABC is a writing tool designed Talkback is an educational manor house has been empty. to meet the needs of young game inspired by a famous It is said to be haunted and to writers aged seven and computer program called contain hidden treasure. One upwards. It is easily operated ELIZA in which users held day you set out with some and quickly understood. For 'conversations' with the friends to explore the house example, blocks of text can be computer by typing in and solve the mystery. While moved using the 'tug', which sentences, and the program you are looking around the actually tows words from one responded by displaying house you hear the front door place to another. Users can sentences that were slam and find that you are shut begin writing immediately and apparently replies. inside the manor with night then move on to ABC's more approaching! sophisticated features Talkback is not just another whenever they wish. version of ELIZA. It has two Spooky Manor is an adventure major facilities which add to its game for up to four players that ABC offers three types of educational potential. Firstly, it encourages planning and screen displays: 'write', 'read allows users to create their own logical thinking. It is especially and write' and the 'slate'. computer 'characters' capable suitable for children aged Switching between the of holding simple seven and upwards but many displays is a simple matter of conversations on the screen. adults will enjoy it too. The pressing the red function keys. Secondly, it enables users to game provides stimulus for Text can be printed, displayed, make any one of the discussion and decision edited and stored. characters they have created making and, alltlough it can be Experienced word processers 'talk' with any other one, so that played competitively, the will appreciate the facilities for users may observe the advantages of co-operation word wrap-around, right­ conversation, print it out or quickly become apparent. justification, centering and even join in! formatting. Spooky Manor is designed for The process of creating use with the BBC 'computer characters' with Microcomputer. Up to four Talkback is both entertaining Microwriter Quinkey and demanding, providing, in keyboards can be used with an amusing context, valuable OS1 .2. lessons in both English and computer literacy for learners often and above. 5 Acornsoft Home EducatiOn

Workshop 'he of Knowledge Iii] II]® Iii] II]®

Workshop is an invitation to Tree of Knowledge is an Peeko-Computer simulates the play with thinking. It provides interactive program for users operation of a simplified an unusual environment in aged eight and above. It microcomputer in order to which the user discovers by illustrates some of the more demonstrate the fundamentals experiment what each of the imaginative aspects of of machine-code program's amazing 'machines' computing in that the user first programming. The Peeko­ can do with simple geometrical educates the computer, Computer has 20 easily­ shapes. building up a branching data learned instructions, and the structure by answering and display gives a visual analogy In exploring the functions of asking questions, and the of the operation of a real these strange machines, resulting database is then microcomputer. Programs can creative thinking can be as used to play games of be entered, single-stepped or effective as a logical deduction and logic. run, with the memory and approach, though users who Databases can be saved and register contents being wish to review their strategies loaded from within the displayed at every step. To aid will enjoy the lively replay program, and two sample comprehension each sequences. The program uses databases are supplied with instruction mnemonic is a minimal number of words, the the pack. displayed as it is encountered. function keys have picture­ labels and each machine Peeko-Computer comes generates its own peculiar complete with a 16-page sounds, so Workshop will instruction manual including serve as an amusing and exercises and examples. and imaginative introduction to the includes five demonstration computer for young learners Peeko-Computer programs. from the age of three upwards. Suitable for 12 year olds and above. Acornsoft Home Education 6

...... Podcl liillll®e Iii] II]® --liillll ® Two educational games Podd is a delightful character Squeeze is a graphic and designed for economics, who captures the imagination entertaining way of introducing business, general studies and of young children whilst children to geometrical general interest. For users improving their vocabulary concepts and problem solving aged 12 upwards. and developing their language using unusual shapes. skills. Ask Podd to perform an In STOKMARK one to eight action such as run, jump,laugh Each player is allocated a players compete in buying and or cry, and, If he 'knows' the particular shape and the aim of selling shares. The first to turn word he will perform that the game is to get as many his or her initial capital of £1200 action. Podd 'knows' 120 shapes on to a board as into £5000 is the winner. The words (some are synonyms) possible by squeezing your screen displays information and children have to guess opponent out. The shapes are about shares such as you what they are. Older children picked at random which would find in the City pages of can join in by asking Podd to ensures that each game is newspapers: prices. perform up to five actions one different. There are eleven dividends, yields and price/ after the other. board sizes from which to earnings ratio. choose and three levels of Podd helps children develop difficulty. TELEMARK is a business memory skills and improve game based upon making and spelling. This unusual and interesting selling televisions, the game encourages children to objective being to make the visualise how shapes relate to largest total profit or to win Juggle Puzzle each other and promotes the more than half the total market ability to think and plan clearly. for televisions. Iii] II]® By playing STOKMARK and Juggle Puzzle is a jigsaw TELEMARK the participants puzzle of a special kind. ltis a learn the significance of challenging game designed to financial terms such as exercise and increase mental purchase or sale of shares. agility. dividends, yield, price to earnings ratio. overheads and Choose from six colourful and depreciation. fun to draw puzzles. Each can be divided into a nine or sixteen piece board which is then broken into a puzzle on the screen. The greater the number of pieces mixed, the more difficult the game. A square frame is used to twist any set of four pieces to rebuild the original picture. Juggle Puzzle helps to develop memory and logic in children of all ages. 7 Acornsott Home Education

Words Worda Words ...... Iii! !II® liiJriJS Children of all ages are Words Words Words is a Hide & Seek is designed to enthralled by Facemaker. stimulating game which uses encourage and develop Starting with the eyes, and the element of fantasy to help reading skills. Objects are put proceed in~} at your own pace, young children with their into boxes and hidden by you can build up one of over a reading and spelling. Pictures shutters. The player then has to million possible identikit-type are shown on the screen and remember where the objects faces on the television screen. the child has to type in the were hidden! Sounds easy? The program asks you to select name of the object shown; With six very different objects features from a series of where common alternatives young children will succeed choices: mouths, ears, noses, arise (eg truck or lorry) the quickly, but try remembering hair-styles, even earrings and computer will usually accept the whereabouts of nine hats! This teaches children to both. If the answer is correct different flowers. Since only the read and spell the names of the the object takes its place in a Space Bar and RETURN keys features with their associated scene. Once all of the pictures are used, very young children quality/adjective, and then in a scene have been identified can play this game. while even later to follow the sentence correctly then the scene adults find the more difficult structures in which they comes to life! Over 85 words memory games challenging! appear. Children have fun are introduced for which a drawing each other, or working dictionary is provided. The last two games help with together on the program, and Children can link the eight readin~;~ and spelling by this helps improve their scenes together in almost any improv1ng short term memory. reading ability, social order they choose to build up The player has to remember interaction, and powers of their own action-packed which picture is missing from observation. stories! the set that was shown, and either 'read it' or 'spell the name'. Acornsoft Home Education 8

Chlldlwl from Spece Let's Count Iii! !II® Iii! !II®

Follow the adventures of Beng Let's Count provides an The four games in Number and Zoma as they explore the introduction to the numbers Puzzler are an exciting way of earth. Having only recently one to nine and the improving your ability at arrived from their home in fundamental concepts addition and subtraction. space, they have a few involved in counting. The Three of the games are like problems with their English ­ scenes, chosen to capture a noughts and crosses, but with they get words mixed up, young child's imagination, the numbers up to 9 or 99, spellings muddled and don't include ships visiting islands, depending on the level always know the right words to rockets flying from the moon, chosen. Using a three by three use. What they need is earth and a fairground stall. While or six by six grid, you can play children to help them out by playing the child learns to against a friend or the correcting their daily reports. count objects, match them to computer; the skill comes in Having helped Beng and numerals, recognise their developing a winning strategy. Zoma, children will spot errors order and compare their In the fourth game, Magic in their own written work much magnitude. Square, you have to fill a more quickly. But there's much square with numbers so that more to Children from Space the rows, columns and than dry exercises in grammar NumberGulper diagonals add up to the same -critical analysis is Iii! !II®~ number. A self-test is also encouraged by asking the provided as a means of player to choose the better of NumberGulper is a gripping, checking how much you have two words. The events which fast moving game that helps improved. involve these two friendly develop arithmetic skills using visitors are by turns humorous, all four arithmetic operators­ surprising and endearing. add, subtract, multiply and divide. The player has to build a number between 10 and 9999 by gulping numbers on a track on the screen using a manoeuvrable gulper, before its energy runs out. At higher levels there are scramblers which change the number if they are touched by the gulper, ruining any plans previously made. The game works with both joystick and keyboard, and 191evels of difficulty cater for children of all abilities. Even adults find the upper levels testing! There is also a self-test option to enable children to monitor the improvement in their mental arithmetic as they play the Number Gulper. 9 Acornsoft Horne Education

Number C.... Iii! Ill®

Since calculators have Cranky the crazy calculator Table Adventures is an become such common doesn't like rain. On wet days exciting way of helping young household objects, fewer Cranky's circuits get children with their tables, people now resort to mental damaged, so that some ofthe approaching them through arithmetic. Children brought calculator keys don't work any factorisation rather than up on calculators may never more. The fault is shown on a multiplication. The four games acquire a feel for numbers. 1-100 number square, and you involve finding gold at the Number Chaser provides can repair Cranky by rainbow's end, canoeing children with the opportunity to constructing the numbers in across rapids, escaping from practise estimation with an the pattern. You've only got two underground, and using skill exciting race game, featuring numbers with which to do this and logic to minimise your advanced graphics and a though. If you make the repair score. Each game starts off choice of four different successfully, then you can use very simply but is vehicles corresponding to four Cranky as a calculator! progressively more levels of difficulty. You race Sometimes it's easy, but challenging, eventually against the computer's car, all sometimes you have to make providing a tough problem the time estimating the lots of calculations. Careful (even for adults!). A self-test is answers to a series of planning will help you repair also provided so that you can multiplication sums. You may Cranky quicker. see how you are improving. be able to win the race, but can you make it to world Repairing Cranky will give champion? children a chance to explore the interesting relationships between numbers by free experimentation at their own pace, thus giving confidence with number manipulation.

Acornsoft Languages

Acornsoft languages extend The languages are ideal for of the special features of your the power of your BBC Micro­ applications such as artificial BBC Microcomputer. computer, allowing you to take intelligence, graphics. and Programming books which advantage of software in other system development. Each support the Acornsoft languages or giving you Acornsoft language comprises languages explain the special greater speed and fl~xibility . extensions to take advantage applications. Acornsoft Languages 12

Acorn soft FORTH is a LISP is the fundamental Developed by the National complete implementation of language of artificial Physical Laboratory the FORTH language to the intelligence research and 1979 standard specification offers more flexibility in data Microtext is an authoring for the BBC Microcomputer and control structures than package designed to simplify Model B. FORTH is a compiled traditional languages. the production of a wide range language so programs run Acornsoft LISP includes 5.5K of man/computer dialogues. very fast (typically five times of machine code interpreter, Using Microtext's simple faster than BASIC). plus 3K of initialised LISP commands the user can draw workspace containing utilities up any number of 'frames', The cassette or disc includes a and constants. each containing text and/or FORTH dictionary and graphics. A series of frames compiler, a tape interface/ The system contains a number builds up to a complete screen editor, a macro­ of extensions to basic LISP, module, whose maximum size assembler, and a high­ including PEEK, POKE, CALL, depends on available memory. resolution graphics andVDU, LOOP, WHILE and Each Microtext program can demonstration. UNTIL functions, and disc consist of more than one inpuVoutput control functions. module, and its size is In addition to a comprehensive therefore limited only by the set of arithmetic and stack capacity of the cassette or operators, control transfer LISP Demonstrations disc. words and defining words, (iii [II® Acornsoft FOjiTH includes full Using Microtext, experts in any graphics commands and the field can construct their own more advanced features for The LISP Demonstrations, complete courses of defining the actions of defining taken from the book LISP on computer-based instructional words themselves. This opens the BBC Microcomputer, are material. Applications include the door to 'meta-FORTH' and for use with the LISP pack. interviewing systems, teaching user-defined FORTH-based They show how LISP can be packages, training courses languages. used in a wide variety of and interactive applications, including demonstrations and artificial intelligence, computer simulations. graphics and the compilation of computer languages. The pack contains the Microtext authoring system The programs are easy to use, plus a comprehensive user and it is a simple task to guide. Also included are a include them in your own LISP series of demonstration applications. Full instructions programs and an easy­ are included with each pack. reference summary card of all Microtext facilities and commands. 13 Acornsott Languages

BCPL BCPL C.lculationa BCPL SIMd Alone 'i'lll® Pllc:kllge Gel181'1111or Ill® Ill® BCPL is one of the most flexible of modern structured This package is designed for This package greatly languages and is easy to learn. use with the Acorn soft BCPL increases the usefulness of the BCPL is particularly good at system and familiarity with this BCPL system by permitting handling input and output, and system is assumed. The easy distribution of BCPL is thus often used to write utility packa9e supports floating programs. It converts programs. It is also used to point, fixed point and fast developed programs into develop games programs and integer calculations, which stand alone programs which commercial packages, to meet the requirements of a can be run on any BBC develop system software such wide range of applications. Microcomputer, even without as screen editors, to write the BCPL language ROM. It control systems, and to The calculations package is can also be used to develop produce programs which provided on disc, containing stand alone programs for other would otherwise need to be the BCPL calculation files and 6502-based computers. written in assembler. some example files. A comprehensive user guide is Stand alone programs can be The Acornsoft BCPL system included. produced either as files, stored consists of the BCPL language on any suitable medium, or as ROM and a 40/80 track disc language ROMs. Conversion containing the BCPL compiler, of programs to run in a stand a screen editor, a 6502 alone environment is very assembler, other utilities and straightforward, and very few, program development aids, if any, modifications are and some examples of BCPL required. code. A comprehensive 450- page user guide is included in The package comprises a disc the package. containing the utility programs, a comprehensive user guide, The BCPL language ROM can and a licence allowing be used with either a disc or an distribution of up to 100 copies Econet filing system, and of a program developed using automatically takes advantage this system. A separate licence of the 6502 Second Processor permitting unlimited if fitted, claiming all available distribution is available. memory. Acornsoft Languages 14

1l111le Graphics 8-Puclll [ii) Ill® [ii) Ill®

Turtle Graphics is designed as A compiler for a subset of This is a full implementation of an introductory package for Pascal - one of the most Pascal to the ISO standard, teaching geometry, popular computer languages with extensions to take mathematics and graphics at in use today. advantage of the BBC an elementary level. Microcomputer's special The Acornsoft implementation facilities (sound, graphics etc) The interpreter supports a supports integer, character approved by ISO. It is the subset of the full LOGO and boolean types, as well as natural language for large­ implementation featuring only multi-dimensional arrays. Like scale programming, compiling the simpler turtle graphics the full Pascal implementation to a compact intermediate facilities. The facilities it is block-structured and code, which is then provided are powerful enough completely recursive. Error interpreted, to give a to allow development of fairly messages are performance superior to complex programs, and comprehensive, aiding in interoreted BASIC, without the include multiple parameter teaching and debugging. It is complexities of machine code. procedures, looping aimed at the educational user, primitives, elementary and particularly as an introduction It is ideal for teaching at all transcendental functions and to structured programming levels, and is the natural keyword abbreviation. A user languages, where the power of successor to S-Pascal for manual is included in the pack. the full Pascal implementation advanced students. The pack is not required. Since S-Pascal comes with a comprehensive compiles to 6502 machine user guide, and an code it is also eminently introduction to Pascal (both suitable for writing small fast available separately). utilities. A comprehensive user guide is included in the pack. (The user guide is also available separately.) 15 Acornsoft Languages

LOGO is designed to Acornsoft COMAL is a block­ introduce children and structured language, similar to This package, for use with the students to elementary Pascal and BASIC, selecting 6502 Second Processor, is programming techniques. thebetterfeaturesofboth.lt intended for the serious Acornsoft LOGO is a full includes a number of features programmer developing large implementation of LOGO, which encourage well­ programs in assembly containing all the standard structured programming and language. There are six utilities turtle graphics and list facilitate debugging and in the package: processing functions. maintenance of software. Additional features include Reals, integers, booleans and MASM -a 6502 macro­ changeable screen mode strings are all supported, as assembler providing a allowing multi-colour graphics, well as multi-dimensional comprehensive range of sound commands for four-part arrays, and file 1/0 is simplified facilities including looping, harmonies, multiple screen by extensive file handling recursive calls and conditional turtles which can be facilities. This general-purpose assembly. language has been chosen as independently controlled, split XREF-a cross-referencer for the educational standard in and variable sized graphics use in conjunction with MASM. and text windows, and a 'NIB' many European countries. feature to plot solid or dotted SRCXREF- a source code COMAL is supplied on ROM lines. These facilities can be cros~-referencer . used in a wide range of and comes with a applications, and fully exploit comprehensive user guide. ITRACE-a trace package for the power of the graphics of which contains a tutorial debugging programs. the BBC Microcomputer. section for beginners and a reference section for more PRINT -a program to produce The LOGO package consists experienced BASIC or Pascal formatted assembly listings of the LOGO interpreter on two users. without using MASM . 16K ROMs, a disc/cassette containing the floor turtle EDIT-a versatile screen drivers and other utilities, two editor. easy-to-follow manuals and a In addition, there are versions reference card. ofiTRACE and PRINT for use on the BBC Microcomputer without a second processor. The package comes complete with a comprehensive user guide describing all these facilities.

Acornsoft Business

The Acornsoft bus1ness has been espec1ally designed the beg1nner and the programs enable you to make to take advantage of its many professional, these programs the most of the computing facilities. to provide you with all will save you time and effort in power of the BBC you need to run your business many routine tasks. Microcomputer. Each program more efficiently. Aimed at both Acornsoft Business 18

Printer HI-VIEW You can use any printer that is [II@ 1&5021 compatible with the BBC Microcomputer to print out VIEW offers all the facilities of a from VIEW and you can print This is a special version of the professional word processor. the text in memory or from VIEW word processor, Important features include the cassette or disc. designed for use on the BBC choice between 40 and 80 Microcomputer with the 6502 column modes, insert or over­ Some printers offer special Second Processor. Available type editing modes, the facilities such as bold or on disc, it offers 4 ?K of text flexible search and replace underline; to use these memory, a useful addition for commands, automatic page facilities you will need a 'printer those users of the 6502 numbering, macros and global driver' program. See the VIEW Second Processor who need or selective formatting. VIEW Printer Driver Generator more text space than is supports bold or underlined package. normally available with the type, microspacing and has a VIEW ROM. facility for editing files larger Installation than the text area would normally allow. We recommend that your local Vlewlndex dealer should install the VIEW [I]@ VIEW has been designed for ROM in your computer. the convenience of businesses However, ROM-fitting and individuals alike. For the instructions are included in the A comprehensive and less experienced user, VIEW is pack. accurate index adds the straightforward and easy to professional touch to your use; no prior knowledge of documents. This program automatically creates the word proces~ing is necessary, index for you, sorts it into and the accompanying manuals assume only that the alphabetical order and notes user is familiar with the each page or section number where the reference occurs. operation of a typewriter. While you are using VIEW, you The VIEW package consists of simply mark the words or a 16KROM, the teaching phrases within the text which manual Into VIEW, the are to appear in the index or reference manual VIEW Guide you can do this after you have and a function key card. written the file. Optional facilities allow you to edit the index and format it as you wish. A user guide provides clear instructions on how to use the system. 19 Acornsoft Business

ViewSheet files can also be converted into VIEW files, and data may be transferred between BASIC (and other ViewSheet is an electronic languages) and ViewSheet, This program enables you to worksheet, the numerical and between worksheets. generate a standard interface equivalent to a word processor Operations supported by between VIEW and the special on your BBC Microcomputer. ViewSheet are: addition, facilities of any printer. Using a The ViewSheet is 255 columns subtraction, multiplication, simple question and answer wide and 255 rows deep/long, division, exponentiation and procedure, the Generator the display showing small bracketed operations. creates the appropriate driver, sections of the sheet at a time. enabling you to take Functions supported are: ABS, advantage of the special ViewSheet works in any screen ACS, ASN, SIN, SGN, RAD, effects of your printer. mode. Figures and formulae ATN, COS, DEG, EXP, INT. LN, Typically, these include can be typed on to the sheet, LOG, PI,SQR, TAN, MIN, superscripts, subscripts, bold, and in whatever format you AVERAGE, MAX, CHOOSE, underline, italics and extended please. You can redefine row LOOKUP, IF, ROW, COL. character sets. The Screen and column headings and Driver program allows you to insert and delete rows and simulate a print-out on the columns. Values can be screen. MPRINT enables you formatted in pounds and to print several files at once pence, ranged right or left, and and to include the contents of with up to nine decimal places. memory among them. ViewSheet distinguishes The Printer Driver Generator between values, labels can be used with ViewSheet to (usually headings), and produce bold and underline formulae. A formula can relate effects. The accompanying to any other sheet position manual provides a step-by­ such that if you change any step guide to creating your value, all other values own drivers, and gives some depending on it will also useful examples to show you change. how it's done. Sections of the sheet, The Printer Driver Generator described as 'windows', can package is sold complete with be printed out or arranged as ready-made printer drivers for required on the screen. the following printers: Epson FXBO, Olivetti JP1 01, Ricoh ViewSheet can be used with Flowriter 1600, Juki 6100 and any printer that works w'ith the Facit8105. BBC Microcomputer, and can also be used with any of the printer drivers in the VIEW Printer Driver Generator package to give bold and underlined printing. Acornsoft Business 20

Desk Diary ~®®

Acornsoft Database enables This pack consists of two you to use your BBC Personal Money Management programs plus instrubtions for Microcomputer to store, is designed to help you control an address book and diary/ retrieve and analyse large your personal finances more planner on the BBC quantities of information effectively. Microcomputer Models quickly and easily. On disc, A and B. Database has a capacity Entries can be recorded in up limited by that of the disc and to nine expense categories. ADDRESS BOOK can hold a on cassette by the amount of Headings are provided, but file of several hundred names, memory remaining. This allows can be changed to headings of addresses and telephone 32 fields per record and up to your own choice. The program numbers which can be 240 characters per field. allows you to set budgets for retrieved by name, or by each category and to compare matching with other A flexible search facility your projections against actual information specified in the enables you to look for expenditure. entry. Applications include information either numerically mailing lists and customer or by pattern matching, and With the information you record records. this can then be sorted into in these categories Personal alphabetical or numerical Money Management can: PLANNER works just like a order. The search facility can written diary but with a real­ - help you set budgets for time alarm and many be used on complete files or regular expenditure subsets of files. automatic features. There is . - automatically record space for 300 entries, which The program also caters for standing order payments may be of three kinds: statistical analysis: you can - compare actual versus appointments at a specified obtain the sum, mean and budgeted savings time of day; regular events, standard deviation of any - give information about such as birthdays and bill numerical fields in the expenditure in each category payments which automatically complete file or subset. for particular months over a get carried forward; and whole year exclusive entries, for trips and Also included is a facility to - calculate banking llolidays, which prevent allow you to convert Acornsoft requirements each month to appointments from being Database files to VIEW files, help you keep ahead of your made over a specified period. and you can use records from bills the Database as parameters - record your banking for VIEW macros. transactions The pack contains a 24-page instruction booklet. 21 Acornsoft Business

Forecast ~@ These packages can significantly reduce office These programs can be used paperwork and help you to Provides accurate at home or in the office to manage your business more maintenance of purchase predict the likely outcome of efficiently and easily. Each of ledger details and supplier any intended financial project. the seven programs in the account status. The package series is sold and can be used calculates inputVATand, FORECAST provides you with separately, or you can link among other facilities, it will instant financial predictions them together to make up a highlight settlement discounts, which allow you to make complete business system. produce remittance advices informed decisions at a and provide an analysis of moment's notice. The program creditors. calculates trends by applying sophisticated statistical techniques to the data you Purchasing supply. The results can be (i]@ printed out for circulation. Maintains customer, product and sales order details. It CAPITAL allows you to records the progress of orders, This maintains a full list of all evaluate an investment and produces order your suppliers' names and proposal by calculating its confirmation and despatch addresses. It will register likely returns; these are based note print-outs. Picking sheets deliveries, provide validation on assumptions which you can are produced for back order against suppliers' invoices and vary as you please. You are analysis. produce instant recall of order given a swift and automatic data whenever necessary. You analysis of the current value of can also check your such proposals where the commitment to suppliers. costs arise in the present and the profits accrue in the future. An instruction booklet is The package maintains sales included in the pack. ledger details, and gives instant access to customer account status. Features include: cash allocation, calculation of output VAT, credit limit records, debtor analysis and production of statements. Acornsoft Business 22

lnvalcing Mailing Syatem [i)@ [1)@

The system stores names and This allows you to create files of addresses of customers, and all your customers and put details of products and VAT them into categories, so that rates. You record orders on when you produce mailshots, your order update files and you can select which then print out invoices or credit customers to include. You can notes, automatically. The create categories by any system allows for variable criteria you wish: size of terms of trading and will company, type of business, calculate and print discounts. location or whether the VAT rates are easily adjusted customer is a good or bad for individual products. payer. When you select a category, you can print out names and addresses on to Stock Control either gummed labels or [1)@ printer paper.

Efficient stock control is important for any business, and this package will ensure that you always know the latest stock position. It provides an automatic an~ lysis of stock by quantity and value, highlights stock-out situations and maintains stock balances. There is a manual override facility for reconciliation of physical stock. Acornsoft Home Interest

Try your hand at magic tricks, home interest programs are diet and even take the or conjure up an exotic cocktail easy to follow and fun to use. backache out of organising with the help of your BBC You can teach yourself a your garden. Microcomputer. The Acornsoft language, plan and follow a

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, I ' ''i : , I ~ .~ Acornsoft Home Interest 24

Shirley Conran's Magic watch Your Weight Garden ~@ ~11]@ The pack connins ten magic Here, at last, is a weight-loss Based on Shirley Conran's tricks and soi'T'e simple props program designed for you. successful book, this is a for you, the conjurer, to use. With it, your computer problem-solving program Ideal as a party piece or simply becomes an expert wholly which provides the complete to baffle your friends, here are conversant with, and beginner with instant answers mind-reading, birthday­ sympathetic to. your needs. to the questions of what to guessing, card-divining, plant, and where. money-making tricks, and Under the guidance of the more besides-all designed to Consumers' Association, Simply tell the computer challenge the credibility of dieticians have produced a whether you prefer a shrub or a what is possible and what your definitive diet for health. First, flower, the type of soil, light and audience sees before it. you must share your personal shade conditions and required details with the computer; flowering time and the then, in response, the computer will come up with a The Complete Cocktail computer will help you choose selection of possible plants. Maker an appropriate and individual weight-loss plan. The program comes complete ~~@ with two ready-made Next it offers you a calorie databases containing full A 'must' for every party. Amaze counter and a series of information on 55 flowers and your friends with your apposite menu suggestions to 47 shrubs. You can add to versatility in mixing cocktails. help stimulate your these and sav~ them on With over three hundred drinks imagination when you just cassette to build up your own to choose from, you'll be sure can't think what to eat. All this is library of garden and of finding something to suit set in the context of advice household plants. everyone's taste. Give your about the composition of your guests the fun of selecting their diet and its effect on your An instruction booklet is own drinks from the colourful health. Finally, once a week, included in the pack. recipes, each of which is you can go to the computer graphically illustrated. Browse and ask how well you are through the entire selection to doing. conjure up a host of exotic images of faraway places. Or If you fail to meet the tell the computer which computer's (or your) ingredients you have and let it expectations, you will find it a transform them into cocktails compassionate counsellor. By beyond your imagination . encouragement and realistic assessment of what you can Your parties will never be the manage, it wil l guide you to same again. your target weight. 25 Acornsoft Horne Interest

There are four languages to LINKWORD choose from - French, Iii]@ German, Spanish and Italian. Each course comes with a program cassette, an Acornsoft's LINKWORD instruction booklet with courses have been specially glossary, and an audio tape to developed by psychologist Dr help With pronunciation. The Michael Gruneberg to provide programs are very easy to use, a un1que and imaginative prompting you on what to do approach to learning a foreign next, pointing out differences language. By associating 1n grammar, hinting on how to wor~s w1th 1mages, you will remember genders, and f1nd 11 easy to pick up a advising on when to li sten to vocabulary of around 350 words in a very short time. the audio cassette. For example, you are told that: The Italian for CAT is GATIO. You are asked to imagine a cat eating a GATEAU. You will soon learn the words you need to make yourself understood in a variety of Situations, Without having to spend hours learning them 'parrot fashion'. You will cover a wide range of topics, from restaurants, food and the beach to business, numbers and the car. The courses will appeal equally to travellers wanting to learn quickly for a bus1ness tnp or holiday and to Children who find conventional learning methods boring or difficult. Acornsoft Home Interest 26

Aoo1'1180ft Graphie& Graphs end Charts Acornsoft graphics programs are designed to bring out the [ii]@ artist in you. Powerful graphics software makes maximum use Picture Maker is a complete These programs produce a set of the colour and superb high graphics system for preparing, of graphics routines which can resolution graphics facilities on on the screen, diagrams, be incorporated into programs your BBC Microcomputer. desiQnS, or simply pictures. to present data graphically in a Ingenious programs draw Applications include the wide range of a!)plications. animated pictures. You can design of transparencies or The graphs include automatic construct intricate charts. overhead projector slides, thus scaling. labelling of axes, and graphs and diagrams or create offering scope for the usf! of colours. Routines are your own masterpieces in professional as well as the included to draw two­ dazzling colour. budding artist. dimensional graphs, three­ dimensional graphs, stereo Each picture is built out of units pairs, two-dimensional contour which the user defines, and maps, three-dimensional which may be used repeatedly contour maps, bar charts and to construct more complex pie charts. units with optional rescaling, rotation, or colour change. Text Complete listings and detailed of any size and orientation may explanations of the programs also be used. are given in the book Graphs and Charts on the BBC Basic drawing functions Microcomputer; although sold include lines, solid triangles, separately we recommend the arcs, circular sectors and use of the book with this pack. shape filling. There is an automatic 'cursor home' position memory and an Creative Graphics editing feature. Actual and logical colours can be l!il®

Help is now at hand for The wide variety of games test your intellect with chess and compulsive games players. your skill, reaction speed and the dreaded Rubik Cube. Acornsoft games take full resourcefulness. Put your wits Acornsoft games bring new advantage of the colour against the monsters and excitement to leisure time. graphics and sound features meteors. Enjoy the fiendish Make sure life's not all work on your BBC Microcomputer. adventure games. Challenge and no play. Acornsoft Games 28

Planelold Roclc8t Reid Iii! Ill® Iii! Ill®~

Pursued by monsters your man An amazing fast-action Your mission is to raid a is chased up and down graphics game. Save the life­ heavily-guarded Martian fuel ladders and along walls; the forms from their attackers and depot; fly your rocket over only hope of survival is to dig return them safely to their mountains and through holes in the walls and trap the planetoid while trying to fend caverns, avoiding enemy monsters by filling them in. off five kinds of hostile space­ missiles and dodging convoys Score more by dropping the beings. Complete with sound of deadly phizzers. You have to monsters through several effects, table of high scores bomb fuel tanks to replenish levels, but watch your oxygen and hyperspace jump. your fuel. level. With sound effects and table of high scores. Includes full sound effects and Arcade Action table of high scores. jgiJ ®®

Four games in one pack for a variety of entertainment: This colourful game is a superb example of the best in games INVADERS-fightoffthe entertainment. Guide the waves of advancing aliens Snapper through the maze while dodging behind four eating dots and fruit and shelters to avoid being hit by avoiding the c'reatures that their missiles. chase you. The game gets BREAKOUT - an all-time progressively faster, and with favourite where you knock higher scores as the fruit bricks out of a multi-coloured increase in value. Complete wall. There are seven with full sound effects, score variations on the standard and a table of high scores. game. DODGEMS-your racing car has to outwit the computerised car which is programmed to crash into you . SNAKE-guide the hungry snake towards its prey and watch it grow as it consumes different kinds of food. Score as many points as possible while preventing the snake from bumping into itself or the walls. 29 Acorn soft Games

Manoeuvre your laser-ship Hop the frog across the busy Command a starship against through a hail of meteors, motorway trying to avoid four the attacking alien ships in this smashing them with your laser lanes of fast-moving traffic. To demanding high-resolution bolts as they hurtle towards get across the river to the graphics game. You control you on all sides. Avoid being safety of the frog's lair you must the forward drive and rotational hit by the missiles from hostile · leap on to logs and turtles' thrust on your ship which is flying saucers which fire at you backs, but beware of the equipped with shields, long as they pass. Your ship is diving turtles, the crocodiles and short range scanners and equipped with as many laser and the snake. a sector display of the stars bolts as you can fire and as a and alien ships. last resort you can escape Complete with music and full through hyperspace. sound effects, dragonfly, timer This game includes a table of Complete with sound effects and table of high scores. high scores and comes and table of high scores. complete with an instruction booklet. MlulleBue [gJ [I)®~

As moon base commander, A fast-moving arcade-style you must ward off the salvos of space game, your task being deadly neutron missiles falling to demolish an onslaught of from space on to your base. warring aliens. Your laser-base Sitting at your control console, moves along the surface of the with command of three planet while above you the arcadians fly in formation. defence stations at your Without warning, some of them fingertips, you must knock out suddenly swoop down as many hostile missiles as towards you dropping bombs. possible. You are awarded a flag for Beware the multiple war-head each screen cleared, and the missiles, as these fragment on game gets harder as you reaching a certain height, and progress. Arcadians is a then devastate your bases with challenging game, even for the missile fire. expert player! Complete with As the game progresses, music, full sound effects and intelligent missiles arrive on the table of high scores. scene. These avoid your fire, and must be destroyed with cunning. Complete with satellites, planes and table of high scores. Acorn soft Games 30

One of a range of dynamic, You are being bombarded by Guide your paint roller round new arcade-style games for waves of invading aliens. The the edge of a maze of the BBC Microcomputer from only way to resist invasion and rectangles, while avoiding the Acornsoft. You are put 1n avoid subsequent annihilation monsters which are trying to charge of a JCB Excavator­ is to destroy the aliens before stop you by crushing the roller. Loader. You can move the JCB they land. As you complete four sides of digger in four directions, or dig the rectangle, it is holes and fill them in, so you You have three defenders, automatically coloured in. You can dig traps for the Meanies whose hyper-velocity missiles gain extra points by colouring who chase you. Fill the holes in will instantly vaporise their a rectangle containing one of quickly to kill the Meanies, or target on impact. The the objects which appear at pick them up in your shovel defenders can shelter from the random. Your second task is to and dump them in the sea! The onslaught behind four ensure that you don't run out of action takes place on an bastions, although even these paint. And beware, as the island, with the screen acting cannot survive indefinitely. number of monsters chasing as a 'window', which scrolls to you will increase. The alien attacks can vary in accommodate the movement their ferocity. Sometimes, you oftheJCB. may only have a MILD Developed in conjunction with ENCOUNTER; alternatively, JC Bamford Excavators Ltd, you may find yourself in an UNCOMFORTABLE this game is a, must for the When the Alphoid battleship games connoisseur. SITUATION, where a faster moving enemy releases a attacked Deep Space Station deadlier barrage of bombs. Coriolis, the Alphoids injected The worst is yet to come with their cyanide-based the TERRIFYING atmosphere into the air supply. EXPERIENCE, where, in Only one crewman managed addition to all the other to don his space suit in time and he must now defend the A musical shooting range in hazards, the bombs have a homing capacity and steer vital computer records held in which you fire at the ducks, the Space Station. With no rabbits and owls which move themselves towards your defender. weapons he is in mortal across the screen. danger. You control the Watch out for the diving ducks crewman, manoeuvring him - if they are allowed to land you around the Space Station, as lose ten bullets. Score more he tries to kill as many Alphoids when you hit caged ducks and as possible. In this battle to the polar bears. death, he can punch, kick, ram or bomb the enemy to death, Complete with full sound but they are deadly creatures effects and table of high which bite, sting and breathe scores. fire. 31 Acornsoft Games

A breath-taking flight simulator This is an exciting and Your mission is to rescue six which puts you in the pilot's unpredictable game of fellow astronauts stranded on seat of a Spitfire Mark II single strategy and deduction in the surface of an alien planet. seater fighter. You can make it which two players compete to Launch the Emergency Space fly just like the real thing ­ carry treasure across a maze Capsule from the Mothership taking off, climbing, turning of coloured tiles. and guide it safely to land on a and landing. Adventurous platform on the planet surface. pilots can loop the loop and The aim of the game is to score You must take care to avoid the roll, and perform all kinds of points by collecting diamonds meteors which drift above the aerobatics. Take care though, from two vaults and depositing planet, and the deadly missiles because things can go them in your home base. A being fired at you by an alien disastrously wrong, and you diamond is either loot, swag or pursuit ship. Take one may find yourself plummeting dump, and the rules astronaut at a time back to the to the ground in an determining possible routes Mothership, and score points uncontrollable nose dive. across the tiles change with by firing back at the missiles each move. You will need a.1c1 meteors. Your score is based on daring and cunning to successful landings and tests successfully guard your swag, .Includes sound effects, colour of skill such as flying between attack your opponent and work graphics and table of high skyscrapers or under bridges. out your forward routes. scores. There is also a chance to select Drogna is fully compatible with a Theme in which you repel unfriendly life forms from outer either keyboard or joysticks. "Ampod The game makes full use of space both on the ground and colour, so is unsuitable for in the air; a combined test of li&l [I)®~ flying skill, navigation and black and white televisions. ------' tactics as you seek and Crash-landing your spacecraft destroy. The game comes on an alien planet, you find complete with a map and a yourself taken prisoner and flying manual to help you to dumped into an arena littered become an ace pilot. with dormant lizards and other You have entered a top-secret hostile creatures. Battle to the installation with the aim of death with Killer Bees, Red stealing company secrets from Devils and Poison Orbs by your rival. You have to find your blasting them with your laser way round a maze of corridors. bullets, or setting the lizards on while avoiding or killing the to them by firing at their robot guards which shoot on dormant pods. All bullets. sight. A computer-controlled yours or an opponent's. will lift is your only way to each bounce around the wall of the level of the building and you arena until they hit something ­ have to find the key to operate so beware, as even your own · it. could be lethal; keep an eye on the lizards too as they'll pursue A superb real-time game with the nearest creature, even if it fast 3D graphics. happens to be you! Acornsoft Games 32

Fly your Emergency Rescue You and your opponent are This pack contains two Helicopter to rescue four men rivals for the affections of a strategy games for up to four stranded on Mount Crona, an young lady. She is releasing players. erupting volcano. In constant balloons which drift up from the danger from the boulders floor of a gym into the rafters. BLACK BOX - hidden within an flying from the mouth of the While you are desperately eight by eight grid, four or five volcano, you have to haul each trying to catch the balloons, atoms represent a secret man to safety. lt is a race your opponent will be doing his molecular structure. The against time as the flow of bestto stop you. You have to object of the game is to molten lava pours down avoid running into him, and deduce the exact position of towards the stranded men. If watch out for the weig his he the atoms by examining the the lava reaches them, they will throws at you. Just to path taken by rays fired into the die and become ghosts­ complicate things, you'll have grid. This computer version of dangerous and indestructible! to punch or jump over the the Black Box game is hammers, boxing gloves and produced under licence from Complete with table of high dumb-bells which are thrown Waddingtons Limited. scores. over the rafters. GAMBIT - the object of this Complete with sound effects, original game is for each full colour graphics and table player to try to get all his four of high scores. men back to the central 'home' area. Throughoutthe game, players can place walls to Bounce around the pyramid of block their opponents and to cubes, landing on each one to direct their own men home. change its colour and score Gambit is fully compatible with points. Beware of Sid Snake either keyboard or joysticks. who will bounce after you until In this full colour arcade-style he can be tricked into jumping game, you are a fireman. Your These games make use of over the edge of the pyramid, objective is to rescue some colour and sound. and are not while you escape on one of the buckets of highly inflammable suitable for black and white magic lifts. As the game liquid and carry them to the televisions. progresses, Creepy Crabs safety of a water tank. While and Sideways Sam join in the you are engaged in this heroic chase, and Joe Sleuth will start task, a firebug is rushing changing all the cubes back around lighting fires. Armed again to their original colour. with a fire extinguisher, you have to put the fires out - if you As you complete more can get there in time! pyramids, you move on to higher levels where jumping just once on each cube is not enough. Bouncer is complete with colour graphics. sound effects and table of hig h scores. 33 Acorn soft Games

CUtleof Riddles liil® An advanced adventure in A magical adventure with A full-sized classic adventure which you tell the computer wizardry and hocus pocus of game in which you move what you want to do, and it all kinds. Booby traps and through caves, fight with trolls, describes in plain English your fiendish riddles are the least of collect treasure, and finally progress through a fascinating your worries as you follow the make your way to the sphinx to world full of fiendish puzzles to tortuous route to the Magic collect your reward. be solved. To complete your Ring of Power. Your reward is quest you need to think hard to keep the treasure that you about everything you do! find on the way.

Countdown to Doom Kingdom of Hamil Iii] II)® Iii] II)®

A mind-boggling adventure in You are the rightful heir to the which your ship has crashed Kingdom of Hamil, but, stolen on the treasure-laden but from your royal parents as a inhospitable planet Doom. child, you have only just Grounded on Doom, your ship discovered your birthright. is both damaged and Unfortunately, many other evil threatened with total people have tried to prevent disintegration due to the you from making your rightful corrosive effects of the Doom claim, and usually by force. atmosphere. Repairs to the Pursued by hostile beings, you ship must be made before you have fought your way to a can escape, and there's also a sanctuary, safe for the moment tempting array of treasure to from the terrors outside. You be collected; but the clock is seem to be trapped ... but ticking away all the while, and there may be more to this place it's only a matter of time before than meets the eye . . . You the ship will disappear in a must prove your identity and cloud of dust .. gather all your treasure to win ­ but many problems, puzzles and dangers lie in your path I Acorn soft Games 34

Enter a fantasy world through For experienced adventurers Try your hand against the the Gateway to Karos in this only, this is a journey through computer with these two exciting adventure game. Your the mysterious world of popular games: objective is to find the Quondam. Set in the medieval legendary Talisman of ages, the magical land you DRAUGHTS-the traditional Khoronz, a powerful object explore is full of wonders, and game has been faithfully used in the great battles also full oftraps for the unwary. reproduced on screen for you between the powers of light Your objective is to find and to try your hand at playing the and darkness. Your search collect the treasures scattered computer. The computer will takes you through forests and through Quondam, and to make sure you follow the rules, moorsandouttosea. You will deposit them in a safe place. insisting that you make all find many valuable treasures Be cautious, though, for many possible jumps or suffer the and useful objects which, with things are not as they seem ... consequences-the computer the Talisman, must be· has the option of 'huffing' the collected and taken back offending piece. through the Gate. Finding your REVERSI- in this board game way back will not be easy, and each player tries to surround you will encounter many hostile his opponent's pieces, the beasts-and also some people Acheton is a disc-based game objective being to gain as who may help or hinder you! for advanced adventurers. many pieces as possible by Your journey begins in the the end of the game. (Reversi deceptively peaceful setting of is also known as Othello.) an English landscape but will lead you on to discover over In both games you challenge 400 different locations. Your the computer, with a choice of difficulty levels, and at the Travelling back to earth from objective is to survive long enough to find a hidden cave, higher levels the machine your starbase, a violent plays an accomplished game. magnetostorm forces you to huge beyond imagination. crash-land on Seventh Star. Once inside, your task is to Both programs take The object of this adventure is collect as much treasure as advantage of all available to return safely to earth. Using you can find, while exploring memory, and so on the Model the computer as your eyes and thts strange and mysterious A the board is displayed in hands, you will explore the world. teletext mode, and on the mysterious city on the planet, Model Bit is displayed in searching for the equipment screen mode 1. that you need in order to survive long enough to find your way back to earth. A witty adventure with many interesting puzzles and sound effects. 35 Acorn soft Games

Cube Master liil® A chess-playing program with A must for Rubik Cube The Sliding-Block Puzzle is a high-resolution graphics enthusiasts. You can choose based on the '14-15 Puzzle' display of the board, and the the number of shuffling moves invented by Sam Lloyd in the following features: made to a completed cube, last century when it was the - Play white or black against and then try to solve it. The popular equivalent of today's the computer, or play against computer will tell you how Rubik Cube. On this cassette another player, or in auto­ many moves you make. Cube are six Sliding-Block Puzzles: mode the computer plays Master is special because it Alphabet, Numbers, against itself will also solve the cube of your Sunscape, Logo, Pattern and - Ten levels of play, giving choice: you colour in a cube on Swans. You can choose how novice to professional the screen to match the cube many shuffling moves are standards you are trying to solve, and made before attempting to - Computer moves in ten then let the program take you solve the puzzle. The seconds at lowest level through the solution at your computer will tell you how - Board display with joystick, chosen speed. Illegal many moves you make, and cursor or coordinate entry of configurations will be spotted will actually solve it for you if moves, and rejection of illegal and dealt with. you get absolutely stuck. moves - Plays according to current FIDE-ratified rules (for example, 50-move rule etc), and displays moves as standard FIDE notation - Continuous clock display for This is a game for two players tournament chess and is su1table for both - Allows any position to be set experienced players and up, and 'mate inn' problems to learners. Full instructions and be solved the rules of the game are - Whole games or single contained in the pack. board positions can be saved You play and score as in the to cassette or disc real game. The strength of the shot is controlled by varying the length of the cue, and you are given the option of using backspin and topspin in addition to ordinary shots. Acorn soft Snooker is unsuitable for black and white televisions.

Acornsoft Books

A specially commissioned teach you to program programs given. And get more range of books is available to effortlessly. You can produce from your micro by help you explore the stunning graphics and experimenting with other capabilities of your BBC complex charts and graphs Acornsoft languages. Microcomputer. The books will with the help of example Acornsott Books 38

Graphs and Ctwts ontheBBC Microcomputer John Cownie, A5, 11 Opp plus Richard de Grand is-Harrison. Robert D Harding, A5, 104pp 12 colour plates A5,300pp This book describes a set of This book explores the This book serves as a general graphics routines which can excellent graphics facilities introduction to FORTH, and be incorporated into programs provided by the BBC includes a full description of to present data graphically in a Microcomputer. There are Acornsoft FORTH with a wide range of applications. complete listings for 36 glossary defining the actions of The graphs include automatic programs which will run on all the standard words. The scaling, labelling of axes. two­ either the A orB Model to chapters are illustrated by dimensional graphs. three­ produce a dazzling range of many practical examples. The dimensional graphs. stereo pictures and patterns in full author, Richard de Grandis­ pairs. two-dimensional contour colour. Starting from first Harrison, is Chairman ofthe maps, three-dimensional principles this book proceeds UK FORTH Interest Group. contour maps, bar charts and to explore more advanced pie charts. The programs routines, explaining in detail presented in the book are also the individual procedures that available on cassette. go to make up whole programs. The programs presented in the book are also available on cassette and disc. 39 Acornsoft Books

LISP on the BBC Creative Assembler How to Write Adwnture Microcomputer How to Write Arcecle Games far the BBC Games for the BBC Microcomputer Met Acorn Acorn Arthur Norman and Gillian Microcomputer Md Electron Cattell, AS, 192pp Electron PeterKillworth, AS, 214pp A comprehensive guide to Jonathan Griffiths, AS, 192pp Acorn soft LISP, with a With some experience in BBC complete glossary describing The assembler available on BASIC, you can use this book all the pre-defined LISP your BBC Microcomputer is a to learn how to write adventure functions. It includes a general very powerful programming games, progressing from introduction to LISP, with tool. As well as being free of the some simple games to tackle . several example programs to constraints imposed by high­ straightaway, to more complex illustrate the features of the level languages. it is very much adventures as you work language. faster. Speed is one of the through the book. A multi­ major reasons for choosing it to purpose 'shell' adventure write fast-moving arcade program and a database games. The book provides an creation program help you to introduction to the more useful compile any number and type assembler instructions. with of adventure games. Several some simple examples. chapters are devoted entirely progressing on to more to plotting and puzzle creation, complex techniques. Finally, it emphasising new and different shows how the routines are puzzle types. linked together to produce a complete arcade game. With three example games created in the book, you will A cassette of the programs find everything you need to featured in the book is also know on the subject. available. presented in an interesting and easy to follow style. A cassette of the programs featured in the book is also available. Acornsoft Books 40

The BASIC ROM u.. Gulde

This book is an essential guide to the BASIC system on the BBC Microcomputer and Acorn Electron. The operation of BASIC is thoroughly explained in a very lucid manner. BBC BASIC 1. BBC BASIC 2 and Electron BASIC are all covered. Using this information. the book describes how to add new commands and functions to enhance programs and increase the flexibility of your machine. Numerous useful examples are provided including a complete disassembler (which uses the Assembler table in BASIC) and facilities such as listing active variables. overlaying of procedures and intelligent renumbering are all described. There are extensive reference sections covering the ROM routines and error recovery. including changing MODE inside procedures. reallocating memory if you run out and salvaging bad programs. all thoroughly cross-referenced and indexed. The detailed appendices contain token lists. 6502 instruction set summary. OSBYTErFX summary. a complete syntax defm1tion of BBC BASIC. a summary of the ROM routines. BASIC memory map and the differences between the various BASIC ROMs. EveryeHortismadetoensurethatthe information in this eatalogue is correct. but we reserve the right to make alterations at anytime. No responsibility is accepted for errors or omissions. Price and specification subject to change without notice. All software is sold subject to the condition that hiring, lending, unauthorised copying, or resale is strictly prohibited.

Note: British Broadcasting Corporation has been abbreviated to BBC in this publication. Optimus Graphic Design, Cambridge ACORNseFT Acornsoft Limited Betjeman House 104 Hills Road Cambridge CB2 1LQ England Telephone(0223)316039

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