In <listserv%[email protected]>, on 12/01/2010
   at 09:20 AM, Paul Gilmartin <[email protected]> said:

>Were there 7 uncommitted bits in the PSW to save the corresponding
>bits in the instruction address, or was additional information moved
>to Control Registers which then needed to be stored?

No. 8 bits that must be zero.

>Is the only unfinished work the PSW?

Yes.

>Is the PSW present in far more control blocks than the
>registers?

No, just harder to deal with.

-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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