Mercurial > repos > blastem
view fib.s68 @ 380:1c8d74f2ab0b
Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
author | Mike Pavone <pavone@retrodev.com> |
---|---|
date | Mon, 03 Jun 2013 21:43:38 -0700 |
parents | f664eeb55cb4 |
children | 2455662378ed f7fe240a7da6 |
line wrap: on
line source
dc.l $0, start start: moveq #36, d0 bsr fib illegal 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