%N tvselect %F $MIR/src/subs/tv.for
%D Determine if this device has TvSelpt capabilities.
%P jm
%: tv, display
%B
      subroutine tvselect(yesno)

      implicit none
      integer yesno

  TVSELECT determines if the current display device can use the
  interactive point or range selection on a TV screen via the
  MIRIAD subroutine TVSELPT.

  Input:
    (none)

  Output:
    yesno    Equal to 1 if TVSELPT may be called; 0 otherwise.
