Treat the page size as 4K and drive on. The difference in execution speed
probably isn't worth the issues.

On Fri, Apr 28, 2023 at 7:15 AM Seymour J Metz <sme...@gmu.edu> wrote:

> Set the initial length to the remaining bytes on the "page". After that,
> use the "page size". That leaves the question of how an unpriveleged
> program determines the "page size".
>
> Scare quotes because a 1 MiB "page" is actually a segment in the
> nomenclature of PoOps.
>
>
> --
> Shmuel (Seymour J.) Metz
> http://mason.gmu.edu/~smetz3
>
> ________________________________________
> From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf
> of Jeremy Nicoll [jn.ls.mfrm...@letterboxes.org]
> Sent: Friday, April 28, 2023 7:48 AM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Inexplicable 0C4!
>
> On Fri, 28 Apr 2023, at 12:31, Michael Stein wrote:
>
> > How about setting the length to include just to the end of the current
> > page.  Then as the first operand doesn't cross a page boundary ...
>
> Just imagine if the first operand started on the last byte of the page!
>
> Wouldn't it be better to getmain a page (or a few more), just for the
> first operand to reside in, and then follow your "do it in chunks"
> approach?
>
> --
> Jeremy Nicoll - my opinions are my own.
>
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-- 
Jay Maynard

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