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This updated and expanded edition of the #1 guide to advanced Assembler language programming does everything you wish IBM manuals would do, and more. With the help of 225 bug-free coding examples, many taken from real-world implementations, author Carmine Cannatello describes a wide range of essential Assembler coding techniques not found in most books on the subject. He also acquaints you with important MVS facilities and services and their required program interfaces, and shows you step-by-step how to program them.
A complete guide for programmers working on all IBM mainframe systems, from System/360 through System/390 series mainframes, this book covers:
* Testing and debugging
* Assembler algorithms tested on various mainframes
* Reentrant programs, branch tables, external subroutines, and other "exotic" techniques
* 31-bit addressing
* Extended addressability
* Cross-memory services
* Using the Linkage Editor