; memorizes the current zoom window in static variables
set ZOOM_1D_ST[1] := $ZOOM_1D[1]
set ZOOM_1D_ST[2] := $ZOOM_1D[2]
set ZOOM_2D_ST[1] := $ZOOM_2D[1]
set ZOOM_2D_ST[2] := $ZOOM_2D[2]
set ZOOM_2D_ST[3] := $ZOOM_2D[3]
set ZOOM_2D_ST[4] := $ZOOM_2D[4]
set ZOOM_3D_ST[1] := $ZOOM_3D[1]
set ZOOM_3D_ST[2] := $ZOOM_3D[2]
set ZOOM_3D_ST[3] := $ZOOM_3D[3]
set ZOOM_3D_ST[4] := $ZOOM_3D[4]
set ZOOM_3D_ST[5] := $ZOOM_3D[5]
set ZOOM_3D_ST[6] := $ZOOM_3D[6]

