Mercurial > repos > blastem
view fib.s68 @ 103:a71544cd01ea
Don't pre-emptively translate code at interrupt vectors as some PD ROMs have these pointing at junk. Need some kind of heuristic for detecting garbage if I'm going to translate them ahead of time by default.
author | Mike Pavone <pavone@retrodev.com> |
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date | Thu, 27 Dec 2012 22:48:54 -0800 |
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