=======================================================
-----Original Message-----
From: "Peter Relson" <[EMAIL PROTECTED]>
Sent: 7/22/2006 10:29 AM
To: "[email protected]" <[email protected]>
Subject: Re: Program Call (PC) routine in AMODE(64)

It is true that bit ETDEAM was defined in z/OS 1.5 but unfortunately it
appears that the function doesn't actually work until z/OS 1.8.

Peter Relson
z/OS Core Technology Design
=======================================================

SA22-7614-02
"MVS Programming: Extended Addressability Guide"
Page 4-9 (bottom), 4-10.

"Starting with z/OS V1R3, there are other ways for a
program to be in AMODE(64):
.
.
You could be a target PC routine and have set up the entry
table entry to indicate that your routine is to be given
control in AMODE(64)."

My interpretation is that z/OS V1R3 supports the ETDEAM
bit in the IHAETD FORMAT=1 structure. I do not think it
is telling me that I have to muck with the real ETE.

Peter is saying that the above documentation is inaccurate
and the ETDEAM bit is not supported until V1R8?  eek!

PCAUTH address space will reject the ETCRE with abend or
it will just not set the AMODE(64) bit in the real ETE?


Jeffrey D. Smith
Farsight Systems Corporation
24 BURLINGTON DR
LONGMONT, CO 80501
303-774-9381 direct
303-709-8153 cell
303-484-6170 fax

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