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view fib.s68 @ 0:2432d177e1ac
Initial work on M68K instruction decoding
author | Mike Pavone <pavone@retrodev.com> |
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date | Mon, 29 Oct 2012 01:18:38 -0700 |
parents | |
children | 5a2c1da6dd0f |
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lea 0, a7 moveq #10, d0 bsr fib illegal fib: cmp #2, d0 blt base subq #1, d0 move.l d0, -(a7) bsr fib move.l (a7), d1 exg d0, d1 move.l d1, (a7) subq #1, d0 bsr fib move.l (a7)+, d1 add.l d1, d0 rts base: moveq #1, d0 rts