In my ongoing quest for deeper understanding of all things GP32, I came across this old document today:
http://www.gp32x.de/download/development/api.pdf
Amongst its wisdom is the following:
So is this true? Does the system really default to uncached? I can't find any mention in the...
Hey, that was quick :D
Surely when the second while finishes, LINECNT must be 319 (as it is no longer 0, it must have gone back up to 319?).
I only ask because it looks as if currently the VSync routine idles for a scanline longer than it needs to... you could draw another few sprites in...
Hi all,
I was wondering if anyone has looked at the kernel code and can explain exactly what it's doing when it waits for VSync.
There is a kernel disassembly here:
http://www.cs.helsinki.fi/u/jikorhon/conde.../doc/fw157e.txt
...I think the relevant code is at 0x1bf0 - the official SDK hooks...
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