MOTOROLA DSP96002 USER’S MANUAL B-7

Program ICycles
Words

move #aaddr+1,r0 1 1
move #3,n0 1 1
move #baddr,r4 1 1
move #caddr,r1 1 1
move #daddr-1,r5 1 1
move x:(r0)-,d4.s y:(r4)+,d6.s 1 1
fclr d2 x:(r0)+n0,d5.s y:(r5),d0.s 1 1
do #n,end 2 3
fmpy d5,d6,d2 fadd.s d2,d0 x:(r1)+,d1.s y:(r4)+,d7.s 1 1
fmpy d4,d7,d2 fadd.s d2,d1 x:(r1)+,d0.s d0.s,y:(r5)+ 1 1
fmpy d4,d6,d2 fsub.s d2,d1 x:(r0)-,d4.s y:(r4)+,d6.s 1 1
fmpy d5,d7,d2 fadd.s d2,d0 x:(r0)+n0,d5.s d1.s,y:(r5)+ 1 1
end
fadd.s d2,d0 1 1
move d0.s,y:(r5)+ 1 1
-------------------

Totals

: 15 4N+12
(13 4N+10)

or
d5 = ar d4 = br d6 = bi d7 = ai

X Memory Organization Y Memory Organization

. .
dr2 di2
R5

dr1 DADDR R2

di1 DADDR
. .
. .
cr2 ci2
R1

cr1 CADDR R6

ci1 CADDR
. .
. .
br2 bi2
R4

br1 BADDR R4

bi1 BADDR
. .
. .
ar2 ai2
R0

ar1 AADDR R0

ai1 AADDR

Program ICycles
Words