Introduction to Sound and Graphics on the Atari ST

 

Issue 22

Jul/Aug 86

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A number of books are now arriving for the ST but most are still very much on a beginners or introductory level. This one clearly states that it is 'an introduction' and treated as such is a worthwhile investment. The book is clearly aimed at those owners who want to write programs for their machines but who have not yet made the decision to learn one of the more advanced programming languages. It therefore concentrates on the two languages supplied with the ST, BASIC and LOGO, with a smattering of FORTH thrown in.

After a brief introduction about setting up the machine the first chapter introduces LOGO from the point of view of graphics and gives several basic examples of shape drawing and movement of the turtle. Only 25 pages are devoted to LOGO and, as can be expected, the coverage is fairly rudimentary. BASIC fares much better with the substantial portion of the book devoted to this language. There are many programming examples which are generally quite short and thus easily typed which will whet your appetite for more advanced techniques later. Again these are mainly concerned with producing shapes of various sorts but there is plenty to give you ideas of your own.

The chapter on Sound and Music is more interesting as, strangely, hardly anyone seems to have explored the sound capabilities of the ST. At least you will be able to start producing some music and sound effects with the information given here which generally has not been easily available elsewhere.

Much of the power of the ST is not accessible from BASIC but there are commands which can be used to access many of the routines built into the operating system and VDISYS is one such. A whole chapter is devoted to this command and, for someone who has programmed before, this is probably the most valuable chapter in the book giving a taste of just what is possible with the ST. The remainder of the book, including the chapter on Forth seems to be there for the sake of filling up the book but will provide interesting information to the first time user.

Overall very much an introductory book which users experienced with 8-bit Ataris might find somewhat dull but worthwhile for anyone who has those language disks and wants to do something on his ST.

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