TSRs in VM

Article View: comp.lang.asm370

Article #22

#22

From: HOLST
Date: Wed, 08 Apr 1992 15:18

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TO:   HOLST
FROM: IBM 370 Assembly Pro
DATE: 04/07/92
TIME: 19:29:15
SUBJ: MCI Mail message

In response to :

>Message-Id: 60920408001206/0003765414NA4EM
>   I think my question might have been a bit confusing. I know how to lad
>a module as a nucleus extension. What I need is a way of having it be ale
>to become active when an interrupt (file coming into the reader) takes lace.
>Sort of the same way WAKEUP or IUCVTRAP work.

If I understand your question correctly, I believe the solution to
your problem would be to load your TSR into memory (NUCXLOAD, CMS
loader, etc.) and then setup an interrupt handler that would intercept
I/O interrupts for the RDR only. You can achieve the latter by
overriding the IONPSW and screening all the I/O interrupts or
using the HNDINT macro to specify an exit that should be taken
when I/O interrupts occur for a particular device (RDR/00C). I hope
this information is helpful.


Mike Holst
Programmer
DIALOG Information Services
(415)858-4072
HOLST%DIALOG@MCIMAIL.COM

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Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!ucbvax!MCIMAIL.COM!HOLST%DIALOG
From: HOLST%DIALOG@MCIMAIL.COM (HOLST)
Newsgroups: comp.lang.asm370
Subject: TSRs in VM
Message-ID: <9204081700.AA04327@ucbvax.Berkeley.EDU>
Date: 8 Apr 92 15:18:00 GMT
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Reply-To: IBM 370 Assembly Programming Discussion List
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