I believe Shmuel meant 05F0 instead of 07F0.
Disassembled, it would read
BALR R15,0
SVC 12 [also known as the SYNCH macro]
These two will result in a system wait state ABEND on any OS/360 variant (PCP,
MFT, MVT) after all SQA is gobbled up and then the infinite loop wants some
more. I haven't tried it yet on my z/OS system. Don't have time.
Bill
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of
Bob Rutledge
Sent: Wednesday, March 28, 2012 2:01 PM
To: [email protected]
Subject: Re: Malicious Software Protection
Shmuel Metz (Seymour J.) wrote:
>
> Nonsense. OS/360 was a swiss cheese.
>
> 07F0
> 0A0C
BCR 15,0? Was serialization required?
Bob
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