From: Jason Green <news AT jgreen4 DOT fsnet DOT co DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: to del a window ...
Date: Sun, 23 Jul 2000 00:46:36 +0100
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Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p> wrote:

> >If you cycle through possible values of mode and use conio functions
> >to get the screen dimensions you will probably find all sorts of weird
> >text modes that your card is capable of.  Some modes will cause
> >lock-ups, so it's best to log the results to a file and open/close it
> >between each mode switch, and be prepared for reboots.
> 
> I don't think users will be prepared for reboots.

I wasn't suggesting you could do this in production code.

> >However, there is one mode that would be a useful addition to DJGPP,
> >if someone could work out how to implement it.  80x60 chars is listed
> >in the Linux LILO docs as one of the standard VGA text modes and is
> >achieved using a 640x480 pixel variation of the 80x50 char text mode
> >(normally 640x400 pixels).
> 
> Try 80x50 mode with the 640x480 mode's vertical timing values.

Yes, but how?

> >> I know 80x117 can be done with EGA and standard VGA (go to 350
> >> scanline text mode and knock the character height down to 3
> >> scanlines).

> >Does the DOS command line behave itself if you switch to this mode?
> 
> I switch back to 80x25 or 80x50 on close; it doesn't matter.

Ahem, it matters very much if you want to work in DOS with more than
50 lines.  I'm not suggesting that 3-pixel chars would be of any use;
just curious as to how the command line behaves.

The Linux console can be switched to 80x60 with standard VGA.  So I am
suggesting that we could do this too, assuming command.com doesn't get
upset by more than 50 lines.