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                            KeyPressed function

  DECLARATION:  KeyPressed

      PURPOSE:  Checks if a key has been pressed on keyboard

         UNIT:  CRT

  RESULT TYPE:  Boolean

      REMARKS:  KeyPressed will return TRUE if a key has been pressed
                and leaves its value in the buffer.  It does not check the
                Shift, ScrollLock, NumLock, Alt, or Control keys.

See Also: ReadKey
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