Date: Thu, 29 Mar 2001 22:04:38 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: sarahann DOT jackson AT ntlworld DOT com (Kevan Roberts)
Message-Id: <2110-Thu29Mar2001220437+0200-eliz@is.elta.co.il>
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CC: djgpp AT delorie DOT com
In-reply-to: <MPG.152d9471aac5b554989689@news.ntlworld.com>
	(sarahann DOT jackson AT ntlworld DOT com)
Subject: Re: DJGPP Interrupt programs running under Win98 Console
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> From: sarahann DOT jackson AT ntlworld DOT com (Kevan Roberts)
> Newsgroups: comp.os.msdos.djgpp
> Date: Thu, 29 Mar 2001 19:51:25 +0100
> 
> I am experiencing some strange effects with djgpp interrupt handler 
> program running under a DOS Console window in Windows 98:
> 
> I have chained my own interrupt handler onto the timer and keyboard 
> interrupt - but the interrupt routine only seems to get called when the 
> console running the program is running in the foreground.

This is a Windows ``feature'': only a program that is in the
foreground gets the timer interrupts.  Programs which run in the
background get only a very small portion (about 10%) of the timer
interrupts.  That's multitasking, Bill Gates style.