.org $4000
		LD	A,	$02		; 1st chip. Third 16KB block starting with $8000.
		LD	C,	$C0
		OUT (C), A		; OUT $C0, 02

		LD HL,	$8000	; HL = start address of block.
		LD DE,	$8001	; DE destination address of block. DE= HL + 1.
		LD BC,	$4000 -1 ; BC = byte counter. Subtract 1 to not exceed destination count.
		LD (HL),$AA		
		LDIR           	; Fill BC bytes of memory starting at location HL to destination DE.
.end