1,4d0
< Reading show-scan register:
<  Address    0  1  2  3    4  5  6  7    8  9  a  b    c  d  e  f
<            ff fe 00 00   00 00 00 00   00 00 00 00   00 00 00 00  
< 
6a3
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
10d6
<            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
13a10
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
17d13
<            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe