Titlebook: CP/M 80 Programmer’s Guide; Barry Morrell,Peter Whittle Textbook 1985Latest edition Barry Morrell and Peter Whittle 1985 computer science.

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Program Development,This chapter covers the main stages of program development. Some of the areas covered may seem incongruous to the home programmer. However, the boundary between the professional and the amateur programmer is blurred these days, when home enthusiasts are selling their wares.

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Using Simple BDOS Functions,This chapter introduces you to the mechanism by which your programs communicate with CP/M: the .. The first section describes the basic principles involved: the rest explain how to use the simple BDOS functions.

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Disc Operations,The first section of this chapter introduces some of the terms used in disc handling and describes some of the basic disc handling functions. The second section describes how you can protect your discs and files from accidental overwriting. Finally, the third section tells you how to get hold of disc characteristics.

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Barry Morrell and Peter Whittle 1985

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