I take it that you can't read. "I would have expected" is not a claim of fact.

Or did you know that and choose to lie about it?


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

________________________________________
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Jon 
Perryman [jperr...@pacbell.net]
Sent: Thursday, July 27, 2023 12:47 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Ignorant z/OS question

 > On Wednesday, July 26, 2023 at 03:49:12 AM PDT, Tony Harminc 
 > <t...@harminc.net> wrote:

>>On Tue, 25 Jul 2023 at 17:25, Seymour J Metz <sme...@gmu.edu> wrote:

>> I would have expected 1052-7, 3210 and 3215 support to die at the same time.

> Is there any reason to think that there is/was separate code for these

> three devices? IIRC their programming specs are identical, or very

> close to identical. Obviously the hardware is quite different

> (Selectric printer, dot-matrix), but the software generally doesn't

> care about that kind of thing.


Seymour constantly makes silly wild ass guesses and passes them off as fact. 
Use your common sense and knowledge about IBM. When IBM rewrote console 
services, they dropped typewriter console support. Deleting the HCD / IODF 
definitions for these obsolete devices is simpler than excluding these devices 
from the NIP address. We only know that HCD & IODF do not allow these devices 
to be defined. IBM does not change code unless it's necessary and only deletes 
non-functional code when they are already working on that module. As for 
removing the device support code, this code might also support the CONSOLE 
printer devices.  Deletion of these modules is pure conjecture without any 
factual basis.


    On Wednesday, July 26, 2023 at 03:49:12 AM PDT, Tony Harminc 
<t...@harminc.net> wrote:

 On Tue, 25 Jul 2023 at 17:25, Seymour J Metz <sme...@gmu.edu> wrote:
>
> I would have expected 1052-7, 3210 and 3215 support to die at the same time.

Is there any reason to think that there is/was separate code for these
three devices? IIRC their programming specs are identical, or very
close to identical. Obviously the hardware is quite different
(Selectric printer, dot-matrix), but the software generally doesn't
care about that kind of thing.

Tony H.

> ________________________________________
> From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of 
> Allan Staller <00000387911dea17-dmarc-requ...@listserv.ua.edu>
[...]
> ISTR the some of the older "console" support was removed in the indicated 
> timeframe. E.g. 1052....
> I cannot say for certain that the 3215 code was removed at that time.

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