486fc8:	6c                   	insb   (%dx),%es:(%edi)
486fc9:	00 00                	add    %al,(%eax)
486fcb:	00 00                	add    %al,(%eax)
486fcd:	00 ff                	add    %bh,%bh
486fcf:	25 00 20 40 00       	and    $0x402000,%eax