111.asm

8个发光管模拟二进制加法运算.asm 8个发光管模拟二进制加法运算.asm

		ORG    	00H
		AJMP    MAIN
		ORG		0030H
MAIN:   MOV     P1,  	#11110000B       
        MOV     R1,      P0
		MOV     A,		 R1
		SWAP    A
		MOV		R1,		 A
		MOV     P2,      R1
		LCALL   DELAY
		MOV     P1,  	#00001111B
		MOV     R1,      P0
		MOV     A,		 R1
		SWAP    A
		MOV		R1,		 A
		MOV     P2,      R1
		LCALL   DELAY
		AJMP    MAIN
DELAY:  MOV     R7,     #100
D1:     MOV		R6,		#10
D2:		MOV		R5,		#125
D3:		NOP
        NOP
		DJNZ	R5,		D3
		DJNZ	R6,		D2
		DJNZ	R7,		D1
		RET
		END