The quoted text is on page 10-56 (p. 1072 in the PDF) of a227832d.pdf, the June 
2022 edition of z/Architecture Principles of Operation, SA22-7832-13. What is 
the issue with "doubleword"?


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Paul Gilmartin [0000042bfe9c879d-dmarc-requ...@listserv.ua.edu]
Sent: Wednesday, January 11, 2023 10:38 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Question and CZAM and IPL

On Wed, 11 Jan 2023 15:30:25 +0000, Seymour J Metz wrote:2

>Standard nomenclature for System/360, inherited through Z, is
>
>    Halfword (16 bits)
>    Word (32 bits)
>    Doubleword (64 bits)
>
>Quadword (128 bits) is newer.
>
If you supply a citation, I'll submit an RCF.

_______________________________________
>On Wed, 11 Jan 2023 14:03:24 +0000, Seymour J Metz wrote:
>
>>"The current PSW is replaced by a 16-byte PSW
>>formed from the contents of the doubleword at the
>>location designated by the second-operand address.
>>Figure 4-3 on page 4-8 illustrates the contents of the
>>second operand."
>>
>"doubleword"?

--
gil

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Reply via email to