Jim 

How about IDF or tool debug I have been trying to get IDF running so I can 
debug code running in key 4 but if you say I’m wasting my time ?

> On Feb 26, 2023, at 5:18 PM, Jim Mulder <[email protected]> wrote:
> 
>   They do not support whatever is in TCBPKF.  I have seen code in TSO which 
> has 
> hardcoded x'80'.
> 
> Jim Mulder
> 
> -----Original Message-----
> From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
> Ed Jaffe
> Sent: Saturday, February 25, 2023 9:50 PM
> To: [email protected]
> Subject: Re: Cant SPKA to PSW Key 4
> 
>> On 2/23/2023 6:46 PM, Joseph Reichman wrote:
>> I am trying to change psw storage key from "Normal" key 8 to Key 4
>> 
>> SPKA X'40'
>> 
>> I have bit 15 of the psw 0 ,meaning I am in supervisor state and get a 
>> s0c1 running this code under TESTAUTH
>> 
>> I am able to get to PSW key 0 SPKA 0
>> 
>> Don't get it
> 
> ISTR discovering empirically 30+ years ago that TSO/E TEST and TESTAUTH 
> support only two execution keys: X'80' and X'00'.
> 
> I wondered if in-fact they actually support whatever key is in TCBPKF and 
> X'00' but never experimented to see if that was the case.
> 
> --
> Phoenix Software International
> Edward E. Jaffe
> 831 Parkview Drive North
> El Segundo, CA 90245
> https://www.phoenixsoftware.com/
> 
> 
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