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Old 24 August 2018, 22:42   #203
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Originally Posted by plasmab View Post
At the risk of getting shot down ... they are used when the video, audio or blitter needs them. Other times they aren’t used. E.g with sound off and no blitting going on they are wasted in the vertical blanking period.

Hope my ignorant answer isn’t too rude!

EDIT: add floppy to that list
No one is going to shoot you down for telling something that is widely known.

The above is exactly why a lot of Amiga games try to concentrate blitting in the vertical blank periods, it's most efficient to blit during periods of low/no DMA activity.
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