Name

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      SWAP_NIBBLES

Purpose

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      Swap nibbles in a byte.

Category

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Calling Sequence

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      ss = swap_nibbles(bb)

Inputs

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      bb = input byte or byte array. in

Keyword Parameters

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Outputs

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      ss = output byte or byte array. out

Common Blocks

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Notes

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      Notes: swaps the upper and lower 4 four
      bits in the given bytes.

Modification History

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      R. Sterner, 2002 Oct 30
  Copyright (C) 2002, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.