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1983
Puzzle
English
ZX Spectrum 16K
None

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64,65
John Gilbert
Chris Bourne

NEW COMPANIES ON THE SINCLAIR BANDWAGON

John Gilbert looks at the latest additions to Sinclair Research's growing software library.

SINCLAIR RESEARCH seems to have its eye on the rest of the software market, something which it was loathe to do two months ago. It has opened its software range to such an extent that new and smaller companies, other than Artic Computing and Melbourne House, have had a chance to enter their programs into a range which already includes such programs as The Hobbit and the Artic range of adventures.

The new companies on the Sinclair Research bandwagon are Crystal Computing and Ultimate Play The Game. Crystal Computing has sold its Zeus Assembler and Monitor Disassembler to Sinclair. That means it at last has two machine code utilities, for the 48K Spectrum, in its range.

The Crystal Zeus Assembler is one of the best of its kind and provides excellent facilities for beginners and experts alike. Writing assembly language using it is almost as easy as writing Basic code. Each line of source assembly code as indexed with a number, just as Basic instructions are indexed with line numbers.

All the features which are found usually on assemblers have been included. Labels and expressions can be included within source code and strings of symbols can be entered into memory tables using the utilities in Zeus.

One of the advantages of Zeus is that you do not have to include an ORG instruction with the program to indicate to the computer where to put the object code when it has been assembled. If you omit the ORG instruction the computer will allocate the code to a space in memory.

The problem with Zeus is that you have to exit from the assembler to save the code which has been generated. If you are a beginner that can be a lengthy and nerve-racking process and you have no guarantee that you can load the code back into the computer.

Apart from the lengthy preparations for loading and saving, the assembler is still one of the best on the market. It is a pity that Sinclair Research has put it into a colourful box to justify a price rise of approximately £4. The box may look pleasant and it may improve the quality of the product on the shelf, from a commercial point of view, but the box will not help you to program.

The same is true of many of the other programs in the range. The boxes do not add anything to the product once you have it at home and paying up to £4 extra for packaging is unlikely to go down well with most customers.

The Monitor and Disassembler for the 16K/48K Spectrum is from Crystal and the price of the product has also been increased substantially. It can be used with the Zeus Assembler and will provide a disassembly of source code from your machine code programs or from the Spectrum operating system in the ROM of the machine.

The Monitor will also enable the user to assign values to the CPU registers. That means that values can be set to test machine code programs and to see how they run under certain conditions. Machine code routines can be copied from one part of memory to another and the routines can be edited in hexidecimal using the Monitor. One other useful function is to convert a hexidecimal value to decimal and vice versa when you are using the editing routines. That saves a number of calculations on paper.

The Monitor and Disassembler is the perfect companion to the Assembler but at a combined price of nearly £25 it is expensive.

The next two additions to the Sinclair software library for the Spectrum can both be regarded as mind games. Flippit, for the 16K or 48K Spectrum, has been put on a parallel with the Rubik Cube by Sinclair Research. It certainly is a maddening puzzle and almost impossible to master completely. The Flippit board is like a noughts and crosses grid - it has nine sectors, set out in a three-by-three grid. The computer labels those using the letters the alphabet, A to I, and numbers or dots fill each corner of each square.

To complete the game you must find the correct combination of numbers so that they add to the same sum horizontally, vertically and diagonally. That means the game is nothing more than the type of magic squares we all enjoyed solving when we were at school.

They can be played competitively and to emphasise the point the moves you have taken so far and the moves which you have to beat before getting the record are part of the board display.

There are three playing options. The first is New Run which will make the computer re-shuffle the numbers on the board into random patterns. The next option is similar to the first and will re-run the last random setting. That means that the order in which the numbers were placed on the last shuffle is restored.

Flippit seems so easy when you first start to play but when you have only two numbers out of place it can become irritating and it is easy to give up, rather than plodding along with the problem. If you are left with the numbers in the wrong places you may have to do major re-shuffle of the board.

The manual is concise and to the point but includes no information about strategy or play. It tells the player only how to set up the Spectrum and what are the various play options.

One other criticism is that it has no SAVE option for beginners who are puzzlers or who want to break for lunch.

The other mind game in the selection is more of a test of mind power. The Cattell IQ Test provides the user with a standard reference to any intelligence quotient. It is the type of test which potential members of Mensa, the organisation whose members have high IQs, must take.

On loading, the computer takes some time to set up the tests. There are six types of logic test which must be taken before the computer can give you an accurate IQ score. Those types include synonym finding, classification, opposites, analogies and inferences.

The results are co-ordinated from the various individual tests to give a percentile overall rating. The Spectrum will tell you eventually whether it is worthwhile applying for membership of Mensa.

After being extremely serious about the validity of the tests, throughout the manual it says in the section about the meaning of the results that the tests should not be taken too seriously and that the tests will not prove that you are a genius. Even if you cannot go around wearing a badge saying 'genius', once you have taken the Cattell test you should have some fun with the package.

Unfortunately the copy we were sent of the rests was tediously slow in producing marks for the various sections and in setting-up the data. Although it looked like a production copy of the package, Sinclair Research says that it is producing a better version of the program.

The final cassette-based program from the library, for the 48K Spectrum, is Chequered Flag and it is the only one not in a box. The program is from Psion and it is up to that company's usual standards.

The game sets you as a racing driver over one of the number of world-famous racing tracks, such as Silverstone. You can choose which car you want to use from a visual menu describing a number of well-known racing cars. You can also choose the course on which you want to travel.

The race will take place on the screen, using a three-dimensional representation of the track. Apart from the danger of crashing over the sides of the track, there is also oil on the road surface. At all costs you must avoid the oil or it could cause your car to skid. Once you have been round the track the required number of times, the chequered flag will be raised on the screen and your lap time will be given by the computer.

The graphic and real-time simulation effects produced by the software are reminiscent of the Flight Simulation program, also available from Psion through Sinclair Research. There are several tracks and cars to try, so the game should provide hours of entertainment. The quality of the game and the detail included make it one of the great games for the Spectrum.

The quality control and selection of software for the Sinclair software library has certainly increased with the release of this new batch of tapes. The boxes in which most of the products are now packaged are certainly an improvement on the cassette covers which were being used. One disadvantage for retailers will be that display shelves will be occupied more quickly by fewer products. That should be offset, though, by the prices which Sinclair is charging for its new software.

That has already caused murmurs of discontent from customers about to buy software from a company, only to find that Sinclair has bought it and the price has been increased. If Sinclair continues to raise its prices in this way the company could sell less in the way of software and customers may go elsewhere in a large market. That would be a bad move.

The 'L' Game is produced by Quicksilva. It consists of some coloured tiles on a board which are originally in the shape of an 'L' but which the computer manages to mix extremely well. The player then has to slide the tiles back into the correct order to form the 'L' in the least number of moves. It is like doing a jigsaw puzzle with no edges.

Also included on the cassette with the 'L' Game are Mastermind and Pontoon. If you like puzzles, this cassette is good value for money.

Flippit is from Sinclair Research and is a test of logic and arithmetic. The player has to get all the numbers or dots in a square in such a position that the values will be the same when added horizontally, vertically and diagonally. It is a puzzle which you will either love or hate.

The game is like a giant magic square and if you are adept at spotting combinations and have a fast calculation rate you should be able to do the puzzle fairly quickly. So far I have managed to fit the puzzle together with only two pieces remaining out of sequence. The problem is that the instructions are not so good as the puzzle and you could have difficulty in getting started.

Flippit is suited to those people who like IQ tests to learn their so-called intelligence quotient. I think that the only thing IQ tests prove is that a person can do an IQ test but if you want to learn what your rating is you might like to try The Cattell IQ Teat.

I would be interested to hear your views on this or any other IQ test and also the marks you gained. Do not cheat. The Spectrum is ideally suited to such an application but is the application valid.

I hope that I have provided you with some ideas about the mind games on the market, especially those suitable as Christmas presents. You should not have too much difficulty deciding what to buy even though there is a wide area to cover.

Melbourne House, 131 Trafalgar Road, Greenwich, London, SE10 - The Hobbit

Carnell Software, North Weylands Industrial Estate, Molesey, Hersham, Surrey, KT12 3PL - Volcanic Dungeon, Black Crystal, The Wrath of Magra

Sinclair Research, Freepost, Camberley, Surrey GU15 3BR - Artic Adventures A, B, C, D, Flippit

Quicksilva, 55 Haviland Road, Ferndown Industrial Estate, Wimborne, Dorset - 'L' Game.

Not Rated