On Fri, Dec 13, 2002 at 01:15:01PM -0800, Sottek, Matthew J wrote:
> 
> The i810's vblank interrupt does not go to the CPU's interrupt
> controller IIRC. Therefore you have to poll for vblank by reading
> the current scanline.

I fully expect that there's something that I'm missing, but shouldn't
setting bit 7 of IER (0x20a0) enable the vblank interrupt?  I get this from
page 351 (363 of the pdf) of 'Intel 810 Chipset Family Programmer's
Reference Manual.'  The i815 PRM says the same thing.  It's section 16.2.2
in both.

-- 
Smile!  http://antwrp.gsfc.nasa.gov/apod/ap990315.html


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