Darkness wrote:

> It says the controller (hd44780) by itself can driver 1 x 8 lines or 2
> x 8 lines,  I assume that since my lcd modules only has one chip on
> it, that the 16x1 display may really 2x8 lines next to each other.

  Dead right.

> also if this is the case is the start of the second line at 0x028???

  No, $40 not decimal 40.  This might help:

http://www.halsp.hitachi.com/tech_prod/9_lcd/9_lcd/r_controllers_drivers/99rtd00
6d1/html/99rde.htm#45
--
  Cheers,
        Paul B.