init5402.asm

语音信号的fir滤波！！整个dsp的程序！！调试可用！

                                                                                      
 	.include	reg.h
 	.def     _init_5402                  
 	
CLKMD_VAL  	.set	9807h
ST0_VAL		.set	1800h		; Reset Value
ST1_VAL		.set	2B40h		; OVM,SXM,FRCT bits set, rest reset val
PMST_VAL	.set	8F20h		; Intrrupt vect on page 1, OVLY=1
BSCR_VAL	.set	0800h		; 64k mem bank, extra 1 cycle between consecutive prog and data read.
SWWSR_VAL	.set	2009h		; I/O wait state 2 clock cycle
TCR1		.set	0032h		; Timer1 Ctrl Reg

	.text
_init_5402:
	STM		#CLKMD_VAL, CLKMD 
	STM		#PMST_VAL, PMST
    STM		#BSCR_VAL, BSCR
    STM		#SWWSR_VAL, SWWSR  
	RETD
	NOP
	NOP