RPG 4

Note that RPG 4 can do just about anything that could be done by earlier versions of RPG such as RPG/400 and an enormous volume of additional capabilities.

References

RPG IV with free format op codes

• Built In Functions
• Program To System Fields
• Function Key AID Bytes
• Free form calculation specifications

Books on RPG IV

• PDF of Who Knew You Could Do That with RPG IV? A Sorcerer's Guide to System Access and More (SG245402) at IBM Redbooks

Data Structure Information

• Program Status Data Structure
• Workstation Data Structure

Code Samples

• Locate field value field name
• SQLSTATE Constants

FAQ

• What does BINARY(4) mean in API documentation?

External Links

• Midware http://midwareservices.com/RPGIV/intro.htm
• Bryan Meyers http://www.bmeyers.net/