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view fib.s68 @ 2002:fc8fd89aeba9
Fix VGM delay calculation overflow when a YM-2612 write follows a PSG write in close succession
author | Mike Pavone <pavone@retrodev.com> |
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date | Tue, 14 Jul 2020 20:19:47 -0700 |
parents | f7fe240a7da6 |
children | b7ecd0d6a77b |
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dc.l $0, start start: moveq #42, d0 bsr fib reset fib: cmp.l #2, d0 blt base subq.l #1, d0 move.l d0, -(a7) bsr fib move.l (a7), d1 exg d0, d1 move.l d1, (a7) subq.l #1, d0 bsr fib move.l (a7)+, d1 add.l d1, d0 rts base: moveq #1, d0 rts