1c1
< Reading show-scan register:
---
> Reading scan-io register:
3c3,4
<            ff fe 00 00   00 00 00 00   00 00 00 00   00 00 00 00  
---
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff ff  
>            ff ff ff fe   ff fe ff fe   ff fe ff fe   ff fe ff ff  
7d7
<            ff ff ff ff   ff ff ff ff   ff fe ff fe   ff fe ff ff  
8a9
>            ff fe ff fe   ff fe ff ff   ff ff ff fe   ff fe ff fe  
12d12
<            ff fe ff fe   ff fe ff fe   ff ff ff ff   ff ff ff ff  
13a14
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff ff  
33c34
<            ff fe ff fe   ff fe ff fe   ff ff ff fe   ff fe ff fe  
---
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
37,38c38,39
<            ff ff ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
<            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff ff  
---
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
42,47d42
<            ff fe ff fe   ff fe ff ff   ff ff ff fe   ff fe ff fe  
<            ff fe ff fe   ff fe ff ff   ff ff ff ff   ff ff ff ff  
< 
< Reading scan-io register:
<  Address    0  1  2  3    4  5  6  7    8  9  a  b    c  d  e  f
<            ff ff ff ff   ff ff ff ff   ff fe ff fe   ff fe ff ff  
48a44
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
52d47
<            ff fe ff fe   ff fe ff fe   ff ff ff ff   ff ff ff ff  
53a49
>            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
66a63
>            ff ff ff ff   ff ff ff ff   ff fe ff fe   ff fe ff fe  
68d64
<            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
71a68
>            ff fe ff fe   ff fe ff ff   ff ff ff ff   ff ff ff ff  
73d69
<            ff fe ff fe   ff fe ff fe   ff ff ff fe   ff fe ff fe  
77,78c73,74
<            ff ff ff fe   ff fe ff fe   ff fe ff fe   ff fe ff fe  
<            ff fe ff fe   ff fe ff fe   ff fe ff fe   ff fe ff ff  
---
>            ff ff ff fe   ff fe ff fe   ff fe ff fe   ff fe ff ff  
>            ff ff ff ff   ff ff ff ff   ff fe ff fe   ff fe ff fe