Motorola DSP96002 - Manual (Page 540)

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