swrect DEPRECATED

	CALL SWRECT( SWNUM, [ FCOLOR ])

	This routine will draw a blank filled rectangle on the touch panel TV
	in the rectangle defined by switch number SWNUM.  FCOLOR is the
	foreground color code (default = white).  If the foreground color is
	white, the background color will be black.  If the foreground color is
	black, the background color will be white.  if switch number SWNUM is
	not defined, no I/O will be done.