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File No. S360/1130-25(OS/DMS)
Form Y27-7161-0
Program Logic
IBM System/360 Operating System and
1130 Disk Monitor System
System/360-1130 Data Transmission for FORTRAN
Program Numbers 360S-LM-542 and 1130-LM-Oll
This publication describes the internal logic of the
processor-to-processor (PTOP) subroutines for FORTRAN
IV.
The PTOP subroutines enable a FORTRAN programmer to
transmit data between a program being processed in the
IBM System/360 Operating System and a program being
processed in the IBM 1130 Disk Monitor System Version
2. The telecommunication capabilities provided are
similar to those available to an Assembler Language
programmer using the binary synchronous communications
services of the Basic Telecommunications Access Method
in the System/360 and the Synchronous Communications
Adapter subroutine for point-to-point operations in the
1130. Although designed specifically for FORTRAN IV,
the PTOP routines can also be used in an Assembler
Language program ..
This program logic manual is directed to the IBM
customer engineer who is responsible for program main-
tenance. It can be used to locate specific areas of
the program, and it enables the reader to relate these
areas to the corresponding program listings. Because
program logic information is not necessary for program
operation and use, distribution of this manual is
restricted to persons with program-maintenance re-
sponsibilities.
Restricted Distribution
RESTRICTED DISTRIBUTION: This publication is intended
pri~1rily for use by IBM personnel involved in program
design and maintenance. It may not be made available
to others without the approval of local IBM management.
First Edition (November 1968)
This publication corresponds to Release 17 of the
Operating System. Significant changes or additions to
the specifications contained in this publication are
continually being made. When using this publication
in connection with the operation of IBM equipment,
check the latest SRL Newsletter for revisions or
contact the local IBM branch office.
This publication was prepared for production using an IBM computer to
update the text and to control the page and line format. Page impres-
siom. for photo-offset printing were obtained from an IBM 1403 printer
using a special print train.
Copies of this and other IBM publications can be obtained through IBM
branch offices.
A form for reader's comments appears at the back of this publication.
Address any additional comments concerning the contents of this publica-
tion to IBM corporation, Programming Publications, Department 637,
Neighbcrhood Road, Kingston, New York 12401