unsigned variables in f77 ???

[Brent L. Bates AAD/TAB MS361 x42854]

    I usually use "iand" to change an integer*1 to an integer*2 or
an integer*2 to an interger*4:

      integer*1 byte
      integer*2 pixel
      pixel=iand($00ff,byte)
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	Brent L. Bates
	NASA-Langley Research Center
	M.S. 361
	Hampton, Virginia  23665-5225
	(804) 864-2854
	E-mail: blbates at aero4.larc.nasa.gov or blbates at aero2.larc.nasa.gov