Wow. What a cerebral flatus I had. You're right, of course. Thanks. Bill Fairchild
----- Original Message ----- From: "John McKown" <[email protected]> To: [email protected] Sent: Thursday, February 6, 2014 8:56:56 AM Subject: Re: Number of entries in the TIOT On Thu, Feb 6, 2014 at 8:33 AM, DASDBILL2 <[email protected]> wrote: > I have written oodles of code that scan TIOTs, which almost always ran in > "key eight", and I never got a S0C4 in that code, so I cannot believe that > the TIOT is allocated in "key one" storage. I would believe "key zero." > > Bill Fairchild > > > > Bill, According to the PoPS, a program running with a PSW key of "n" can read storage in key "m" (n != m) unless the storage is "fetch protected". Key 0 storage is "nothing special" in regards to being "universally readable". PSW key 0 is special, of course. So a key 8 program can read the TIOT in key 1 (if indeed it is, I don't assert of my own knowledge) unless the TIOT storage were marked "fetch protected". -- Wasn't there something about a PASCAL programmer knowing the value of everything and the Wirth of nothing? Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
