org	$1500
	ldaa	$1000	; copy the contents of memory location $1000 to A
	suba	#5	; subtract 5 from A
	staa	$1000	; store the result back to memory location $1000
	ldaa	$1001
	suba	#5
	staa	$1001
	ldaa	$1002
	suba	#5
	staa	$1002
	ldaa	$1003
	suba	#5
	staa	$1003
	end