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Softcover. Condizione: Good. SCARCE 1981 softcover. Spiral binding remains good, and pages are clean and unmarked. Front and back covers show wear, including smudging and creasing, as well as a single short (1 cm) edge tear at bottom rear cover. This is a good, useful copy of a hard-to-find book that goes back to the Apple II era of computing. A fascinating exploration for serious students of the history of Apple computer coding. Text from the rear cover: "Every Apple user needs this book, for it provides the most detailed description available of Apple II firmware and hardware. Providing both a numerical Atlas and an alphabetical Gazetteer, WHAT'S WHERE IN THE APPLE? guides the user to over 2,000 memory locations of PEEKs, POKEs, and CALLS. The names and locations of various Monitor, DOS, Integer BASIC, and Applesoft routines are listed, and information is provided on their use. Applesoft and Integer BASIC users will find information which will speed up and streamline programs. Assembly language users will gain access to routines which will simplify coding and interfacing. Both BASIC and assembly language users will find this book helpful in understanding the Apple II, and essential for mastering it!".

Softcover. Condizione: Very Good. First Edition. 8-1/2 x 11 Spiral-Bound Softcover; 128pp; Slight edgewear to covers, text unmarked, binding is tight, VG condition. Atlas and Gazeteer to the Apple II computer. Contents: Introduction; User's Manual; Overview of Apple Memory Organization; Examples; Using a Monitor Routine from Applesoft; Creating a Machine Language Program from Applesoft; Checking Software Locations from within a Program; Useful Tables; Zero Page Usage; Apple ASCII Representations; Apple Text Screen Organization; Atlas: Numerical Listing of Apple Locations; Gazeteer: Alphabetical Listing of Apple Locations.