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68000 code optimisations
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15 June 2012, 17:26
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70
pmc
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Join Date: Apr 2007
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Posts: 1,596
Instead of this:
Code:
cmpi.l #num,Dn
this:
Code:
moveq.l #num,Dn cmp.l Dn,Dn
where (to suit the moveq.l) num is in the range -128 to +127
Last edited by pmc; 16 June 2012 at
11:36
. Reason: got Stung
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