Quote:
Originally Posted by ross
Actually is the same 
Code:
vbl_irq move.w #$20,$dff09c ; this if only level3 vbl irq in $dff09a..
move #$2200,sr ; make reentrant
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Hmm. Really? As far as I understand that wouldn't give you the possibility to finish your update_all, when it takes more than 20ms, because the current VBL is interrupted by the next VBL, which restarts update_all from the beginning.