BackCover

The Modern RPG IV Language has been a best-seller ever since its first edition was published in 1988. Then it was simply The Modern RPG Language, but like the language itself, the book has grown and expanded over the years as new features and function have been added to RPG. It has become the comprehensive text used by tens of thousands of RPG developers worldwide.

Now, in this 3rd edition, 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 1999, including explanation of all the alternate syntax options and the more than 30 new op codes and built-in functions.

The Modern RPG IV Language, 3rd Edition 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 these chapter, Bob details each built-in function and op code with syntax tables that give you all the information you need at a glance.

This is much more than just a book on 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. It is the quintessential reference for every RPG programmer.

WORKING WITH THIS BOOK WILL HELP YOU TO MASTER:

• The basics of RPG IV, including data types, indicators, constants, and directives
• Detail on all of the specification types
• Expressions and how they should be used
• Every built-in function and op code
• Options for organizing your program with source files, modules, and storage
• Modern operation code optimization
• Structured programming and how to apply it effectively in RPG
• Inner-module communications
• The alternate syntax options now available.

About the Author

An RPG programmer since 1977, Bob Cozzi is the author of several books on AS/400 programming, including The Modern RPG Language with Structured Programming--the most widely used RPG reference manual in the world. Bob is the author of CodeStudio, a Windows-based shareware editor for RPG programmers, and the RPG ToolKit, an add-on library of indispensable procedures for RPG IV. Today, Bob provides onsite training to corporate IT staffs, speaks at all major AS/400 and iSeries conferences, and provides help to RPG programmers via his Web site and email list server.