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เนื้อหาย่อ : This book has been designed as a complete self-contained text for learning programming, using the Z80. It can be used by a person who has never programmed before, and should also be of value to anyone using the Z80. For the person who has already programmed, this book will teach specific programming techniques using (or working around) the speci- fic characteristics of the Z80. This text covers the elementary to inter- mediate techniques required to start programming effectively. This text aims at providing a true level of competence to the person who wishes to program using this microprocessor. Naturally, no book will effectively teach how to program, unless one actually practices. However, it is hoped that this book will take the reader to the point where he feels that he can start programming by himself and can solve simple or even moderately complex problems using a microcomputer. This book is based on the author's experience in teaching more than 1000 persons how to program microcomputers. As a result, it is strongly structured. Chapters normally go from the simple to the complex. For readers who have already learned elementary programming, the intro- ductory chapter may be skipped. For others who have never program- med, the final sections of some chapters may require a second reading. The book has been designed to take the reader systematically through all the basic concepts and techniques required to build increasingly complex programs. It is, therefore, strongly suggested that the ordering of the chapters be followed. In addition, for effectivesresults, it is important that the reader attempt to solve as many exercises as possible. The difficulty within the exercises has been carefully graduated. They are designed to verify that the material which has been presented is really understood. Without doing the programming exercises, it will not be possible to realize the full value of this book as an educational medium. Several of the exercises may require time, such as the multi- plication exercise. However, by doing them, you will actually program and learn by doing. This is indispensable. For those who have acquired a taste for programming when reaching the end of this volume, a companion volume is planned: the Z80 Ap- plications Book.