Mercurial > repos > blastem
view fib.s68 @ 1461:aa945f1bdd71
Properly clear trace mode on interrupt or other exception. Fix NBCD with memory destination
author | Michael Pavone <pavone@retrodev.com> |
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date | Wed, 06 Sep 2017 23:10:11 -0700 |
parents | f664eeb55cb4 |
children | 2455662378ed f7fe240a7da6 |
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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