Date: Wed, 28 Apr 1999 10:27:29 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Michael Bukin <M DOT A DOT Bukin AT inp DOT nsk DOT su>
cc: djgpp AT delorie DOT com
Subject: Re: Windows trashes my 800x600 graphics mode program
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On 27 Apr 1999, Michael Bukin wrote:

> Int 0x2F4001 and Int 0x2F4002 can be captured with both real-mode and
> protected mode handlers, but program should issue Int 0x2F4000 first.
> It seems that switching between applications does not work well after
> enabling these interrupts, or perhaps Windows expects some action when
> it sends those interrupts.

Could you please describe these adverse effects on application switching?