From:	"Ben Davis" <ben AT vjpoole DOT freeserve DOT co DOT uk>
Newsgroups:	comp.games.development.programming.misc,comp.os.msdos.djgpp
Subject:	A choking start for DPMI
Date:	Thu, 7 Oct 1999 22:08:29 +0100
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Keywords:	dpmi,dos,hard,disk,harddisk,hd,hdd,msdos,ms-dos,swapping,protected
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To:	djgpp AT delorie DOT com
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Reply-To:	djgpp AT delorie DOT com

I've written a rather hyperactive game using DJGPP and Allegro, in DOS.
Naturally it uses DPMI, which involves disk-swapping. The trouble is, when
the program first starts, it freezes as the computer accesses the hard-disk.
Having already started playing some digitised music, it causes the sound to
crackle a lot.
I would like to know if there is a way of causing all disk-swapping to
happen before the game displays any graphics or makes any sound. If I need
to specify all the variables which must be in physical memory, then I can do
it. However, being new to DPMI and especially the function names in DJGPP, I
need some help. Any ideas?

Ben Davis

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