org		000h
		ajmp		START

START:		setb		P1.0
		acall		Delay
		clr		P1.0
		acall		Delay
                ajmp            START

Delay:		mov		R0,#0FFh
		mov		R1,#0FFh
C1:		djnz		R0,C1
		djnz		R1,C1
		ret

                end