Din :

            mov	dx, 2Eh	                         ;Select Index Register
	mov	al, 87h
	out	dx, al			;Write twice
	mov	al, 87h
	out	dx, al

	mov	ax, 0607h		;Logic Device 6

            mov	dx, 2Eh	                         ;Select Index Register
	out	dx, al
	inc	dx			;DX = data port address
	xchg	al, ah
	out	dx, al

	mov	al, 0A2h

            mov	dx, 2Eh	                         ;Select Index Register
	out	dx, al
	inc	dx			;DX = data port address
	in	al, dx
	and	al, 00Fh
	mov 	bl, al

            mov	dx, 2Eh	                         ;Select Index Register
	mov	al, 0AAh
	out	dx, al			;Escape configuration mode


Dout :
            mov	dx, 2Eh	                         ;Select Index Register
	mov	al, 87h
	out	dx, al			;Write twice
	mov	al, 087h
	out	dx, al

	mov	ax, 0607h		;Logic Device 6

            mov	dx, 2Eh	                         ;Select Index Register
	out	dx, al
	inc	dx			;DX = data port address
	xchg	al, ah
	out	dx, al

            mov	al, 0A1h		;GPIO5 output register
	and	bl, 0fh			;
	shl	bl, 4
	mov	ah, bl

            mov	dx, 2Eh	                         ;Select Index Register
	out	dx, al
	inc	dx			;DX = data port address
	xchg	al, ah
	out	dx, al

            mov	dx, 2Eh	                         ;Select Index Register
	mov	al, 0AAh
	out	dx, al			;Escape configuration mode