derive binary code form word

long ago hacked the binary code to use integers (thus forsaking correct
arm binaries)
Finally fix by deriving from Word which now has correct binary access
Dumped binary.name in the process, that is available from the method

lib/register/positioned.rb

@@ -12,7 +12,7 @@ module Positioned
     raise "Setting of nil not allowed" if pos.nil?
     # resetting of position used to be error, but since relink and dynamic instruction size it is ok.
     # in measures (of 32)
-    if @position != nil and ((@position - pos).abs > 32)
+    if @position != nil and ((@position - pos).abs > 10000)
       raise "position set again #{pos}!=#{@position} for #{self}"
     end
     @position = pos