Quote:
Originally Posted by spud
I've been trying to read up and figure out amiga interrupts because this is one of many areas I'm pretty ignorant on so I thought I'd edit it the code to show at which scan line the player starts and for how long it runs. It seems to start slightly earlier each frame, should this be the case?
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Yes, that's normal. The player doesn't use the VERTB interrupt, which would be synchronized with the raster beam. It uses a CIA-B timer interrupt at a speed close to 50Hz, but it cannot and must not match perfectly.
You could run a 60Hz screen mode and the playback still has the expected speed.