Date   : Mon, 26 Sep 1994 16:55:57 +0000
From   : lamcw <lamcw@...>
Subject: Re: Pinching PC interrupts

James Bonfield wrote:

;>won't you need to decrement and check for EACH possible interrupt? my structure
;>is

;Yes, but you only need decrement a common figure - the 'next' interrupt. Then
;once this occurs you decrement your other interrupt timers and compute the
;'next' figure again.


ah, right, i understand fully now. yes, i can see how that will probably be
faster than my method, whether it's significantly faster is another question. 
unfortunately the effort for me to redo it this way is enormous so i will
probably give it a miss. besides the significant time-eater is the CRTC and
the mac toolbox routine to dump a bit-image to the screen. 

has anyone played 'space cadet'? it uses the so-called mode8 in AUG. most
interesting.

i'm avoiding the task of getting the DFNS to work. instead i'll just implement
a very fast random access cassette filing system!


chris lam.