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Was the best solution ever decided upon during this discussion? There seems to be a few different options, all with positive / negatives:
(a) Waiting for the raster to reach the end of the screen
(b) Polling the vblank intreq bit with vblank interrupts disabled
(c) Setting a flag in the vblank interrupt routine and polling in the main loop
What is the most widespread and accepted use for detecting the vertical blanking period as used by the majority of games?
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