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  Argument
 
    number         Integer or word expression
 
  Returns
 
    <same type>    Value formed by swapping high and low bytes of the
                   number
 
  Description
 
    The Swap function returns a value formed from the argument by
    exchanging the high-order (most significant) byte with the
    low-order (least significant) byte.
 
    The argument is one of the two 16-bit types, either integer or word.
    Swap can be applied to Byte, LongInt, or ShortInt arguments, but
    the return value may not be useful.