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Re: Recommend some documentation
On Feb 19, 12:53 pm, Steve Nickolas
<lyricalnan...@usotsuki.hoshinet.org> wrote:
> On Sat, 19 Feb 2011, Payton Byrd wrote:
> > I just spent some time googling how to change the screen memory that
> > the 80-column text display is pointing at and didn't find anything
> > relevant. Can anyone recommend a good book or other documentation
> > relating to the programming of 80-column text mode?
>
> There's only two places it can point: page 1 (0/0400-07FF and 1/0400-07FF)
> and page 2 (0/0800-0BFF and 1/0800-0BFF). I'm not even sure if page 2
> works with 80-column mode.
>
> -uso.
What register do you set to switch between the two?