text: {- Tests Bitwise operator, or, and, xor
  -}
  
  def Length =
           { a = UInt8,
             b = UInt8,
             c = UInt8,
             d = UInt8,
             e = UInt8,
             f = UInt8,
           }
  
  def Main =
         { x = Length,
           vor =  ^ (x.a as uint 8) .|. (x.b as uint 8),
           vand = ^ (x.c as uint 8) .&. (x.d as uint 8),
           vxor = ^ (x.e as uint 8) .^. (x.f as uint 8),
         }
  