> It's because the display-size is undefined, the hd44780 supports up to
> 40 characters per line
> (http://home.iae.nl/users/pouweha/lcd/lcd0.shtml#visible_ddram) so you
> need to fill the string you write with 40 characters and the 41st one is
>
> the second line.
>
I also have a 4x20 character display that isn't hooked up right now. Will I
be able to do the same to get to the 3rd and 4th lines?
It looks like the answer to that question is at the link Chris gave.
Apparently that will work except that the rows will be out of order ...
1,3,2,4 instead of 1,2,3,4. Also the 4 row displays only support 20
columns, so the 21st character will go into row 3, the 41st character will
go into row 2, and the 61st character will go into row 4. I'll have to pop
in the 4x20 display sometime and try that out.
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