🚀 go-pugleaf

In article <bskoir.71t@wang.com>, smayo@wang.com (Scott Mayo) writes:
|> 
[ lots deleted ]

|> hardware out there. Once enabled, you get interrupts at 0a, and you
|> have to ask the display board if it caused the interrupt or not. You have
|> to do special things to clear the interrupt, and the special things seem
|> to depend on the board.
|> 
|> Good luck. But what is wrong with just painting your images as you generate
|> them, possibly waiting for the beginning of VR by polling, if you really
|> need to?
|> --

Well for me anyway, I wish to add colour cycling within a multi-
program (sort of multitasking) environment.  Any time wasted 
polling is taken away from the other programs.  Also I was using
polling for page flipping for video mode Y (well similar to Y),
and I tested it out on a 486DX-33 and the polling appeared to work
incorrectly, I got lots of flicker.  But the same program worked
fine on my 386DX-25 and any slower machines I ran it on.  So 
possibly the vertical int will solve the problem.

    SPHINX

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