CALL DSHPLT(X,Y,IPEN,ILINE) -- This routine provides a means to draw
 a variety of dashed lines.  FCTR: DS
 
 IX,IY - New pen location in scale inches.
 IPEN - Pen control, 2 (Draw) or 3 (Move), if negative, do as absolute
        value and set relocatable origin to that point.
 ILINE - Style of dashed line,
       = 0, No line
       = 1, Solid
       = 2, Short dashes
       = 3, Long and Short dashes
       = 4, Long dashes
       = 5, Long and 2 Short dashes
       = 6, Dotted
       = 7, Long and 3 Short dashes
       = 8, 2 Long and 1 Short dashes
       = 9, 2 Long and 2 Short dashes
       = 10, 2 Long and 3 Short dashes