On Sat, 1 Mar 1997, Michael R. Zucca wrote:

> I think one of the bugs I'm getting on video switching is going to require me
> to disable all interrupts while I swap modes and load colors. What's the
> function that does this? More importantly, what's the function that turns
> interrupts back on :)

To disable interrupts:

	int x = splhi();

To reenable them:

	splx(x);

> 
> I know everbody was groaning about this sort of code last month during that
> clock tick loss discussion but I think this is genuinely necessary. :)
> Basically, any RBV-style system generally places certain SCSI duties on the same
> chip as the internal video. I have a feeling that most of the time I can
> get away with fiddling with internal video but once in a while intvid and
> SCSI seem to be butting heads with each other.
> 
> Thanks.
> 
> _______________________________________________________________________
>  Michael Zucca - mrz5149@rit.cs.rit.edu - http://www.rit.edu/~mrz5149/
>  "I will choose a path that's clear. I will choose Freewill. "
>   --Rush, Freewill
> _______________________________________________________________________
> 
> 
> 

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