On 6/10/2016 2:39 PM, Andr é Schoeman wrote:
I've got code that schedules a SRB routine (using IEAMSCHD), since z/OS V1R13 
(successfully).

Yes. You have two identical posts saying the same thing...

Q2: When was the filling of bits 0-31 with x'FFFFFFFF' in the GPRs and ARs 
introduced ???

I think it was OS/390 V2R6 with the IeaInitRegsTask DIAG TRAP. Check your DIAGxx member.

Q3: Is the filling of bits 0-31 with x'FFFFFFFF' specific to a PASN=SASN=HASN 
environment ???
Not that I recall. The IeaInitArSrb does the same thing for SRBs.

--
Edward E Jaffe
Phoenix Software International, Inc
831 Parkview Drive North
El Segundo, CA 90245
http://www.phoenixsoftware.com/

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