Date   : Wed, 25 Oct 2006 07:22:51
From   : Sprow <info@...>
Subject: Re: poorly master

In article
<06146B5D5346FB41B5C65713A6EB7250014769F2@...>,
   Tim Matthews <tim.matthews@...> wrote:
> > On Mon, Oct 23, 2006 at 05:17:24PM +0100, Wright, Chris wrote:
> > > Out of interest, whats the difference between 'MODE 7' and
> > 'MODE 135' ?
> >
> > MODE 135 is a shadow mode, which means that the framebuffer
> > is located outside the 'main' 32K of RAM, leaving more RAM
> > free for programs (HIMEM is always &8000 when you are in a
> > shadow mode).  There are shadow versions of all modes, to
> > find the shadow version of a mode you add 128 to the standard
> > mode number.  For example the shadow version of MODE 1 is MODE 129.
>
> Shadow as in only available when shadow ram is installed?
> (Excuse my ignorance!)

Don't forget that the Master always has shadow RAM installed,
Sprow.