NAME
       Draw -- Draw a line between the current pen position
                       and the new x,y position.

   SYNOPSIS
       Draw( rp,   x,     y)
             a1  d0:16  d1:16

        void Draw( struct rastport *, short, short);

   FUNCTION
       Draw a line from the current pen position to (x,y).

   INPUTS

        rp - pointer to the destination rastport
        x,y - coordinates of where in the rastport to end the line.

   BUGS

   SEE ALSO
        move() graphics/rastport.h