> It is a very good idea, and to implement quite easy. You just do have to
> diff between three types of video cards (MDA, MGA and HGC vs. CGA and AGA vs. EGA+).
> Then you do direct register writes. For the HGC I did it recently in a DOS proggy
> which switched from text to gfx and back. I had a
Some stupid questions about videomem:
1) How do 2 or more X servers, or svgalibbed apps share the same physical video
memory ? Does it get saved to ram when switching between them ?
2) Does console switching (gfx or text) save and restore all registers of
videocard in kernel ? Or kernel only r
> One more property, that i'd like to have should be request key to force
> the most basic text mode (say 80x25) on the console, when eg. X freezes
> and i kill its session, then last gfx mode resides on the screen and
> see no way to restore back the text mode - /usr/bin/reset or something
> ali
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