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THE MODERN RPG IV LANGUAGE, SECOND EDITION BY BOB COZZI

Internationally recognized RPG expert Bob Cozzi has updated his classic work on RPG IV to cover all the new functions and features that have been added to the language since 1996, including the new D-specs & more than 30 new op codes & built-in functions


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Product Description

The best-selling RPG book of all time just got even better! Internationally recognized RPG expert Bob Cozzi has updated his classic work on RPG IV to cover all the new functions and features that have been added to the language since 1996, including the new D-specs and more than 30 new op codes and built-in functions.

The Modern RPG IV Language takes you through RPG IV, from its foundation to its most advanced techniques. At the core of this book are its chapters on built-in functions and op codes, in which Bob details all the built-in functions and op codes with syntax tables that give you the information you need at a glance and explains the how and why of their usage.

This is much more than just a book on theory and rules, however. Bob includes more than 100 charts and tables showing how those rules apply and provides more than 350 real-life code samples of functions and operations! You’ll turn to this book again and again as you program in RPG IV.

For years, programmers around the world have found The Modern RPG IV Language to be the bible of RPG programming. This new edition provides even broader and deeper coverage that you need. Whether you’re just starting on your learning curve and need detailed information on RPG basics or you’re a seasoned veteran and need an authoritative reference for your daily work, this book is your answer. If you program in RPG, you must have this text on your desk!

Upon completion of this book, you will be able to:

  • Understand the foundations of RPG IV, including its structure, specifications, and op codes
  • Work with each specification format
  • Integrate RPG with DDS specifications for files and displays
  • Program expressions in assignment, declarative, and compare statements
  • Work with parameters and return values
  • Program using the rich set of built-in functions
  • Process full procedural files sequentially and randomly
  • Use program and file status codes
  • Work with date, time, and time stamp op codes
  • Use operation extenders
  • Program embedded and external subprocedures
  • Export global variables
  • Optimize RPG programs for performance
  • Control program logic without indicators
  • Program with modular design
  • Use data areas effectively
  • Define a prototyped subprocedure