vc54xnt.h

DSP系统入门与实践源代码

;Filename: vc54xnt.h
stack_size  .set        200h
K_FFT_SIZE  .set 		256

			.text                                  						  
c54x_init:							;CPU initialize
;   			STM		#0b,CLKMD
;TstStatu:	LDM		CLKMD,A			;Switch to DIV mode
;	 		AND		#01b,A
; 	 		BC		TstStatu,ANEQ
 	 		STM     #9FF7h,CLKMD  	;CPU Clock Feg.:100MHz
 	 		STM		#00A0h,PMST  
			STM		#8FFFh,SWWSR	;IO wait for 7 clk
			STM		#8802h,BSCR     ;Clockout=50MHz
			LD 		#0h,DP			;Data Page Points at NO. 0
			LD      #0h,A
			LD      #0h,B
			RET