Motorola DSP96002 User Manual

Page 521

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B-2

DSP96002 USER’S MANUAL

MOTOROLA

B.1.2 N Real Multiplies

c(I) = a(I) * b(I) , I=1,...,N

Program ICycles

Words

move #aaddr,r0

1 1

move #baddr,r4 1 1

move #caddr,r1 1 1

move x:(r0)+,d4.s y:(r4)+,d6.s 1 1

do #n,end 2 3

fmpy.s d4,d6,d0 x:(r0)+,d4.s y:(r4)+,d6.s 1 1

move d0.s,x:(r1)+ 1 1

end --- ---

Totals:

8 2N+7

(8 2N+7)

B.1.3 Real Update

d = c + a * b


Program ICycles

Words

move x:(r0),d4.s y:(r4),d6.s 1 1

fmpy.s d4,d6,d1 x:(r1),d0.s 1 1

fadd.s d1.s,d0.s 1 1

move d0.s,x:(r2) 1 1

--- ---

Totals:

4 4

(4 4)

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