Message-ID:	<000401bda384$61be1660$364e08c3@arthur>
From:	"Arthur" <arfa AT clara DOT net>
To:	"DJGPP Mailing List" <djgpp AT delorie DOT com>
Subject:	Re: Using timer to control sprite movement
Date:	Mon, 29 Jun 1998 14:11:49 +0100
MIME-Version:	1.0

> I'm new to programming in DJGPP and Allegro. I used to program C/C++ in
> TurboC, real mode. My problem is that I used to put a lot of funtions
which
> control the movement of sprites in an interrupt-handler, but Allegro says
> you should lock the functions and variables before using them in an
> protected-mode interrupt-handler. How do I go about that with all the
> functions I use?!? The reason I used this method was to let the sprites
> always move 25 or 50 times a second even on computers which do not get a
> framerate of 25/50, but what other way is there to achieve this?


You could always disable protected mode, and use your own sprite routines. I
know I'll get a lot of flak from other members of this group for this, but I
know for a fact that it is the preferred method in game and demo coding
circles.


James Arthur
jaa AT arfa DOT clara DOT net

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