Original Snes9x code is good for video emulation, uses tile caching. I have profiled SNES4ALL and spends only 33% for video emulation and 66% for CPUs without sound, but maybe my profiling is not very good for now, but i think that CPUs emulation spends the major time.
I will try to draw tile cached with pvr for reducing this 33%, but mode5 and mode7 are difficult to implement with this method.
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