Generally, what I do is jump to the address of the first character of the
line.  I usually use 2x8's but it's probably the same.

----------
> From: WF AUTOMACAO <wf@AMBIENTE.COM.BR>
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: How to use the 4 display lines of a LCD 4x20.????
> Date: Wednesday, September 30, 1998 1:02 PM
>
> Ricardo Ponte G wrote:
> >
> >         I got a LCD 4x20 and its datasheet.
> >
> >         Everything is clear but the way to use all the 4 display lines
has
> > disapear, there is nothing that can explain in the information a got.
> >
> >         Somebody has experience in this to help me.
> >
> >         Thanks.
>
> Book of David Benson explains how to use the LCD (4 BITS). The first
> book!
>
> Miguel