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Y26-3704-0
Program Logic
IBM System/360 Operating System
Report Program Generator
Program Number 3S0S-RB-038
This publication describes the internal logic of the
Report Program Generator for System/360 Operating
System. It is intended for use by persons involved
in program maintenance and by system programmers
who are altering the program design.
Restricted Distribution
PREFACE
This program logic manual (PLM) supplements in the publication IBM System/360 Operating
the program listing of the Operating System System, Report Program Generator, C24-3337.
Report Program Generator compiler (referred For information on the Operating System
to in this pUblication as RPG) by describ- that is beyond the purpose of this pub-
ing the program. lication, refer to the following publi-
The first section of this PLM discusses cations:
the overall structure of the RPG compiler.
An overall flowchart is presented with a IBM System/360 Operating System, Assembler
storage allocation map and a table illustra- (E) Programmer's GUlde, C28-6595
ting the input/output organization.
A section of the manual is devoted to IBM System/360 Operating System Data
each phase of the RPG compiler. Included Management, C28-6537
for each phase are a flowchart of the
logical elements, a storage allocation map IBM System/360 Operating System, Concepts
and an input/output flowchart. The text and Facllltles, C28-6535
includes a summary of each routine and
subroutine (identified by the symbolic IBM/360 Operating System, System Program