led.asm

单片机开发板源程序适合初学者 第三部分 LCD_中文

		ORG 00H
START:		JB P1.0,DIR1
		MOV DPTR,#TABLE1
		SJMP DIR
DIR1:		MOV DPTR,#TABLE2
DIR:		MOV R0,#00H
		MOV R1,#0FEH
NEXT:		MOV A,R0
		MOVC A,@A+DPTR
		MOV P0,A
		MOV A,R1
		MOV P2,A
		LCALL DAY
		INC R0
		RL A
		MOV R1,A
		CJNE R1,#0FEH,NEXT
		SJMP START
DAY:		MOV R6,#4
D1:		MOV R7,#248
		DJNZ R7,$
		DJNZ R6,D1
		RET
TABLE1:		DB 0F5H,46H,54H,35H,1CH,0CH,0D5H,04H		;1--8
TABLE2:		DB 04H,0D5H,0CH,1CH,35H,54H,46H,0F5H		;8-1
		END