I created a better one, based on LURA, and tests fine.  You don't get an
exotic PSW, but this will abend with a S0C5, with no risk to the system:

IEFS0C5  START 0
IEFS0C5  RMODE ANY
IEFS0C5  AMODE 64
         MODESET MODE=SUP
         LLIHH 2,X'DEAD'
         LURA  1,2
         BR    14
         END

... it will not get to the BR 14, so it's superfluous.

APF authorization is required. IF there's a way to incur a S0C5 in problem
state, I don't know it.

sas


On Thu, Jan 30, 2020 at 3:51 PM MELVYN MALTZ <
[email protected]> wrote:

> Hi Steve,
>
> You're the only person to actually meet my request...thankyou
> I would much appreciate the code used, I tried B and MVI to your address
> in
> A/RMODE 31 but I get S0C4
>
> Melvyn.

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