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One obvious problem is that you're not flushing the CPU cache after setting your texture data; see http://goop.org/psp/cache-howto.html for details. This sounds intresting, since the the colors which are displayed sometimes changes from time to time, even if I have not changed them in the source co...

I've just started playing around with my PSP, and want to understand how texture rendering works. I've assembled a simple test program which is suppose to show a 4x4 texture scaled to 32x32. However, the colors are all wrong when displayed. I would realy appreciate if someone could take a look at th...