All pastes #297612 Raw Edit

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#297612 ·published 2006-12-31 05:11 UTC
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.xdef SinCalc

.text
|sinQ(short pibits asm("%d0"),short radius asm("%d1"));
SinCalc:
	move.w %d0,%d2
	and.w #127,%d0
	btst #7,%d2
	beq sinQ_1
	neg.w %d0
	add.w #128,%d0
sinQ_1:
	add.w %d0,%d0
	lea sinVals,%a0
	move.w (%a0,%d0.w),%d0
	btst #8,%d2
	beq sinQ_2
	neg.w %d0
sinQ_2:
|	muls.w %d1,%d0
	move.w (%a0,%d0.w),%d0
	moveq #15,%d2
	asr.l %d2,%d0
	rts