How are data passed from JCL parm to assembler program. And
how is data passed from a calling program to an assembler
called program.
Answer Posted / mike m
- JCL PARM
//SAMPPROG EXEC PGM=XXXXXXXX,PARM='XXXXXXXX......'
CONTAINS A PARM FIELD WITH UP TO 100 BYTES OF DATA IN IT.
THE PROGRAM BY DESIGN PICKUPS UP A POINTER TO THE DATA AND
THE DATA LEN. REG 1 HAS WHAT YOU NEED TO EXTRAPOLATE ALL OF
THIS.
- PASS DATA TO CALLED PROGRAM
IN THIS CASE, CALLER IS AN ALC PROGRAM PASSING 2 FIELDS TO
SUBROUTINE NAMED SUBROUT1. THE PASSED FIELDS WILL HAVE BEEN
PRIMED PRIOR TO THE "CALL"
CALL SUBROUT1(FIELDA,FIELDB)
.
.
.
FIELDA DS CL8
FIELDB DS CL8
Is This Answer Correct ? | 8 Yes | 5 No |
Post New Answer View All Answers
how to initialize a register to 0000?
What is house keeping in assembler?
Explain how to produce soc7 abend?
Explain about base register?
Explain the difference between various read and find statement and which one should be used when for better adabas performance?
what is need of start 0? In steed of
Explain the difference between various read and find statement?
Ap wkur,=p5 where wkur is a label?
How to pass the parameters from jcl to assembler program?
how to pass the parameters from jcl to assembler pgm?
What is maximum displacement?
What does the following code do? Ap wkur,=p5 where wkur is a label?
Explain how to initialize a register to 0000?
Explain the difference in data type "x" and "p"?
What is the use of trt instruction?