	.text
        mov d1,(a2)
        mov d1,(32,a2)
	mov d1,(256,a2)
	mov d1,(131071,a2)
	mov d1,(d2,a2)
	mov d1,(128)
	mov d1,(131071)
	mov a1,(32,a2)
	mov a1,(256,a2)
	mov a1,(131071,a2)
