Re: CVS updates/VGA mode setting

[James S. <jsi...@ac...>]

> > What I mean is read the values from the vga hardware instead of from
> > screeninfo which is provided by the firmware. 
> 
> If you want to support only standard modes (text, cfb8, vgaplanes, 
> vga8planes), it is easy. But there is couple of more or less nonstandard
> modes too. 2 (1plane) or 4-color (2planes) modes, alphanumeric mode with
> character generator disabled (gives you `spectrum like' attribute + 8pixels).
> What to do with them? Let them fall through and report something similar
> for them?

Wow. I never even seen any spectrum modes in any books. Where did you
learn about it?
 
> If you are talking only about recognition of currently used videomode
> at startup, it should be possible, and possibly trivial. I have
> (in mgadump) code which adds `correct' constants and sums correct
> bits together to get all picture sizes... Should I port that code
> to Linux and send it to you?

Pretty much I'm talking about recongnition of currently used videomode but
it would also be nice to support other "non-standard modes". I would like
to see your code :-)