b7-3.asm

汇编语言的设计

	ORG     0000H
	LJMP    MAIN
        ORG 	001BH
L1:     CPL 	P1.1
        SJMP 	L1
        ORG 	1000H
MAIN:   MOV 	TL1,#0F6H
        MOV 	TH1,#0FFH
        MOV 	TMOD,#50H
        MOV 	TCON,#40H
        MOV 	IE,#88H
L2:     SJMP 	L2
        END