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
What is house keeping in assembler?
What is the use of trt instruction?
explain about maximum displacement and how to cross this limit?
How is data passed from a calling program to an assembler called program?
What will happen if we drop the base register in the program which contains only one basereg?
Why do we use "drop"?
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 can we use anyother numerics? If we use what will happen?
how to pass the parameters from jcl to assembler pgm?
what is need of start 0? In steed of
Explain about maximum displacement?
Explain how to initialize a register to 0000?
Explain about base register?
What is maximum displacement?
how do you round the addition or subtraction of two numbers in assembler? what does the following code do? change process tool(code changes from dev to prd) the changes made to your code should be effected in live. How the process takes place. That is how can you move the code changes from development to production?