Maciej W. Rozycki wrote:
> On Tue, 10 Apr 2001, Zdenek Kabelac wrote:
>
> > I think it would be wrong if we could not add new very usable features
> > to the system just because some old hardware doesn't support it.
>
> s/old/crappy/ -- even old hardware can handle vsync IRQs fine. E.g. TVGA
> 8900C.
Think of the original 64k and 256k VGA cards. I think some of those
didn't have an irq, but did have a way to read the progress of the
raster, which you could PLL to using timer interrupts. Some video games
still look fine at 320x200 :-)
-- Jamie
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This archive was generated by hypermail 2b29 : Sun Apr 15 2001 - 21:00:16 EST