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Subject: [stella] How do I count WSYNC? From: Ruffin Bailey <rufbo@xxxxxxxxxxxxx> Date: Mon, 24 Aug 98 16:23:15 -0000 |
I've been doing a lot of cycle counting lately, and have run into a
question: How do you count sta WSYNC? Seems like I remeber the infamous
someone saying the proverbial something along the lines of it taking 5
cycles to give WSYNC time to work. Distella only counts sta WSYNC as
three. (?)
I guess the question comes down to this: How many cycles do I have
"_between_ WSYNC's"? I think if I just use all 76 cycles, I don't have
anything to worry about, but I also think that if I use 73 cycles then
hit WSYNC like this:
LF0BB: STA WSYNC ;3
... my timing will be off. Anyway, I hope that's the case, because right
now a line that's taking 76 cycles including a sta WSYNC (I'm counting
the WSYNC as three cycles) is acting like it's screwing up!
Thanks!
================================================================
Ruffin Bailey | Write Atari 2600 games on your Mac!
rufbo at bellsouth.net | http://members.aol.com/~mactari
================================================================
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