p1.asm

达盛单片机试验箱

				ORG		0000H
			
				AJMP	RIGHT
			
				ORG		0030H
			
RIGHT:			MOV		R0,#08H				
				MOV		A,#0FFH
				CLR		C
RIGHT1:			RRC		A
				MOV		P1,A
				CALL	DELAY
				DJNZ	R0,RIGHT1
				AJMP	RIGHT
			
;*****************************************************************************
;			/*延时子程序*/
;*****************************************************************************	

DELAY:			MOV		R5,#10
DELAY1:  	 	MOV     R6,#50              
DELAY2:  		MOV     R7,#250
				DJNZ    R7,$
				DJNZ    R6,DELAY2
				DJNZ	R5,DELAY1
				RET
		
				END