The valid character set for the RPG/400 language consists of:
RPG/400 code is written on a variety of specifications. Each specification has a specific set of functions. See Common Entries for details on specification types. The RPG/400 language is a position-dependent language. Each entry must start in a specific column. To represent this, each illustration of RPG/400 code will be in listing format with a scale drawn across the top. You may find it helpful to use your RPG/400 Debugging Template (GX21-9129).
This help contains a detailed description of the individual RPG/400 specifications. Each field and its possible entries are described. Operation Codes describes the operation codes that are coded on the Calculation specification, which is described in Calculation Specifications.
In addition, there is information on indicators, the logic cycle, arrays and tables, edit codes and edit words, file translation, multifile processing, and match fields.
(C) Copyright IBM Corporation 1992, 2006. All Rights Reserved.