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[f-cpu] Shifting Unit



I have a comment that may or may not be of use.
 
A shift of one to eight is one logic level;
 
A shift of eight to sixteen requires an additional logic level;
 
A shift of seventeen to 32 requires an additional logic level;
 
And a shift of 33 tp 64 requires one additional logic level;
 
As you can see; it is straight binary progression.
 
Hope this helps some.
 
Regards;
Dick Hartney