main.asm

dsp实验箱的多个样例程序

	.mmregs
	.global	_main
	.global	_Correlation

Length	.set	80
Order	.set	10

	.bss	Input_A, Length
	.bss	Input_B, Length
	.even
	.bss	Corr_Coef, Order*2

	.text
_main:
	stm	#Input_A,ar2
	stm	#Input_B,ar3
	st	#3892,*ar2
	st	#10453,*ar3
	stm	Length-1-1,brc
	rptb	L1-1
	mpy	*ar2+,#51,a
	add	#259,a
	stl	a,*ar2
	mpy	*ar3+,#37,a
	add	#183,a
	stl	a,*ar3
L1:
	addm	#-1,*(sp)
	ld	#Order,a
	nop
	pshm	al
	ld	#Length,a
	nop
	pshm	al
	ld	#Corr_Coef,a
	nop
	pshm	al
	ld	#Input_B,a
	nop
	pshm	al
	ld	#Input_A,a
        call	_Correlation
	addm	#5,*(sp)
	nop
	nop
        ret