Re: shared interrupts?

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From: Q
Date: Thu, 07 Oct 1993 14:10

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In <1993Oct6.072011.16093@trl.oz.au> mathers@sibelius.trl.OZ.AU (Steven Mathers) writes:

>Can someone help me with the consequences of running multiple instances
>of a particular DOS program under OS/2?

>This DOS program drives a hardware card, and according to the manual, writes 
>directly to the screen buffer (video memory) and intercepts 
>interrupts 24 (DOS critical error) and 9 (keyboard interface).  

>I would like to use OS/2 to run multiple instances of this program, but
>I am unsure as to whether OS/2 would bomb because of sharing interrupts
>and/or video memory.  It is important that these programs continue to
>run in the background.

>Does anyone know if OS/2 is capable of this?

In a DOS box, OS/2 virtualizes everything including interrupts
and video memory.

Cheers,
Q
-- 
Have you read this month's EDM/2?  It's available via anonymous FTP to
ftp.cdrom.com in the /pub/os2/2_x/program/newsltr directory.  New articles,
comments, suggestions, and Q&A questions are always welcome!  Send all to
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From: os2man@panix.com (Q)
Newsgroups: comp.os.os2.programmer.misc,aus.computers.os2
Subject: Re: shared interrupts?
Date: 7 Oct 1993 10:10:23 -0400
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