b3-1.bak

汇编语言的设计

	ORG	0000H
	LJMP	MAIN
	ORG	1000H
MAIN:   MOV 	SP,#50H
        MOV 	R0,#20H
        MOV 	@R0,#45H
        INC 	R0
        MOV 	@R0,#74H
        MOV 	R1,#30H
        MOV 	@R1,#67H
        INC 	R1
        MOV 	@R1,#28H
        CLR 	C
        MOV 	R2,#02H
L2:     ACALL 	L1
        DEC 	R0
        DEC 	R1
        DJNZ 	R2,L2
        CLR 	A
        MOV 	ACC.0,C
        NOP
        MOV 	@R0,A
L3:     SJMP 	L3
        NOP
L1:     MOV 	A,@R0
        ADDC 	A,@R1
        DA 	A
        MOV 	@R0,A
        RET
	END