01010101 & 
10101010
--------
00000000 
 

01010101 | 
10101010
---------
11111111

 x & 
~x
-----
00000000 

x | 
~x
----
11111111 
 
M      L 
     *
XXXXXXXX    |
00000100    
---------
XXXXX1XX
 

     *
XXXXXXXX    &
11111011
---------
XXXXX0XX