Here's how I solved my tendency to want to code " SPKA 8":
SPKA KEY0
SPKA KEY8
SPKA KEYwhatever
...
KEY0 EQU 0*16
KEY8 EQU 8*16
KEYwhatever EQU whatever*16
And the EQU statements, inter alia, are in a macro that I copy into all my
assemblies so I don't have to remember to code all the EQU statemetns, inter
alia.
Bill Fairchild
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of
Bill Hecox
Sent: Monday, November 07, 2011 6:26 AM
To: [email protected]
Subject: Re: How to enable Storage Protection Override?
>But apparently I should be able to freely switch between keys 8 & 9
>using the SPKA instruction. I'm still not sure that is documented as
>GUPI or not. Yes, I'm a PITA about some of these things. "Once burned,
>twice shy."
If you are going to use the SPKA instruction, read the fine print.
'SPKA 8' will actually put you in KEY0. This is because the key has to be in
the left nibble.
Use 'SPKA 8*16' for KEY8. This will shift the 8 to the left 4 bits.
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