Motorola DSP96002 User Manual page 540

; r6 = temp storage pointer
; r7 = not used
;
; Alters Data ALU Registers
; d0
; d1
; d2
; d3
;
; Alters Address Registers
; r0
; r1
; r2
; r3
; r4
; r5
; r6
;
; Alters Program Control Registers
; pc
;
; Uses 6 locations on System Stack
;
; This program has not been exhaustively tested and may contain errors.
;
;
;
page
move
move
move
move
move
move
move
move
move
move
move
MOTOROLA
d4 d8
d5 d9
d6
d7
n0 m0
n1 m1
n2 m2
n3 m3
n4 m4
n5 m5
m6
sr
;
#points/4,n0 ;initialize butterflies per group
n0,n4 ;
#1,n2 ;initialize groups per pass
#1,n3 ;initialize w rotation factor
#-1,m0 ;initialize linear addressing
m0,m1 ;
m0,m2 ;
m0,m3 ;
m0,m4 ;
m0,m5 ;
m0,m6 ;
DSP96002 USER'S MANUAL
n6 = not used
n7 = not used
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ICycles Prog
Word Cycle
2 2
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
B-21