cseg at 8500h

	mov sp, #80h
	;setb EA
	;setb TR0
	;setb ET0
	;setb TR1
	;setb ET1
	mov 89h, #00010001b

	mov R1, #0h
	mov TL0, #0h
	mov TH0, #0h
	mov TL1, #0h
	mov TH1, #0h

O1:	mov A, R1
	mov 0FAh, A
	jnb TF0, O2
	sjmp O1

O2: inc R1
	clr TF0
	mov TL1, #0h
	mov TH1, #0h
	sjmp O1

cseg at 800Bh

		;inc R1
		reti
end