o<mytouch> sub
   o10 if [EXISTS[#<_hal[jog-axis-sel]>]]
      #<selected-axis> = #<_hal[jog-axis-sel]>
      ;(DEBUG, my-mpg.axis-selector: #<selected-axis>)
	  
      (touch off)
      o20 if [#<selected-axis> EQ 0]
         G10 L20 P0 X0
         M103
         (MSG, touch off x axis)
	  o20 endif
	   
      (touch off z axis)
      o30 if [#<selected-axis> EQ 1]
         G10 L20 P0 Z0
         M103
         (MSG, touch off z axis)
	  o30 endif
   o10 else
     (DEBUG, didn't exist)
   o10 endif
o<mytouch> endsub
M2