z/OS JES3 Customization
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Information Supplied on Entry

z/OS JES3 Customization
SA32-1006-00

The contents of the registers on entry are:
R0
Irrelevant
R1
Address of the current JCL statement
R2-10
Irrelevant
R11
IATYFCT address
R12
IATYTVT address
R13
Address of the input service data CSECT (IATISDT) - mapped by macro IATYISD
R14
Return address
R15
Entry point address for IATUX44
Parent topic: CSECT Name: IATUX44 (Modify JCL Statements)

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