Re: No scrolling for long input lines

[Robert Millan]

On Tue, Oct 07, 2008 at 12:40:46PM -0500, Andy Goth wrote:
> (I said I would research this some more, but I haven't had a chance, and I 
> won't get one for a couple days, so rather than wait, I am simply posting 
> what I know.)
> 
> In GRUB 1.96, typing an input line longer than the screen is wide does not 
> cause the screen to scroll.  Effectively this means once I get to the bottom 
> of the screen, anything I type that's longer than 80 characters (less prompt) 
> I have to type blind.  Aside from not being able to see what I type, 
> everything behaves normally.
> 
> My GRUB configuration is plain vanilla.  GRUB's on a FAT12 floppy read in 
> using biosdisk, there's no grub.cfg file, and I directly type in insmod, ls, 
> linux, initrd, boot, and all that jazz.  I haven't made any modifications to 
> the source, and I'm using the 1.96 release I found on alpha.gnu.org.  I have 
> the biosdisk and fat modules compiled into the GRUB image.

Andy, I just sent a patch (mail titled "split/refurbish vga_text.mod") which
would allow you to use vga_text.c as a terminal output driver:

  insmod vga_text
  terminal_output vga_text

I think this should solve your problem.  Could you test it?

-- 
Robert Millan

  The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and
  how) you may access your data; but nobody's threatening your freedom: we
  still allow you to remove your data and not access it at all."