From: wroberts AT aug DOT com Date: Fri, 26 Jan 1996 23:39:12 -0500 To: djgpp AT delorie DOT com Subject: Re: vsync handler in digpp v2 >To: Shawn Hargreaves >From: wroberts AT aug DOT com >Subject: Re: vsync handler in digpp v2 > >At 05:55 PM 1/26/96 +0000, you wrote: >>On 23 Jan 1996, Biesmans Dominique wrote: >> >>> I want to try to write a vsync handler using djgpp v2.4 beta. Has anyone >>> allready done any attempts in that direction? I'm also looking for >>> examples of interupt handlers in djgpp v2 in general. >> >>How are you trying to do this? Using the actual VGA retrace interrupt >>(which doesn't exist on a lot of cards), or by fiddling with the timer >>interrupt? I tried to write one a couple of months ago, using the timer, >>and ran into all sorts of problems. I got it working 90% of the time, but >>it conflicted with any VESA calls I made, and also screwed up when I >>tried to access the disk. I still haven't figured out why :-) >> >>I have some examples of regular timer, mouse, and keyboard interrupts, if >>you want to take a look at those. >> >> >>Shawn Hargreaves If God is omnipotent, can he make a >>http://www.york.ac.uk/~slh100/ rock so heavy that he cannot lift it? >> >> >>