Re: Video card control

["Jason G. Brunson" <jason@teamair.com>]

Under Linux, I prefer to use the GGI library as opposed to
SVGAlib.  I believe it to be a little easier to use and
does not require root priviledges to run programs compiled
with it, i don't think.  If I am wrong, by all means let me
know.

Thanks,
Jason Brunson

On Thu, 06 Jul 2000, you wrote:
> Lionel
> 
> The best book I know of on such matters is:
> 
> Programmer's Guide to the EGA, VGA, and Super VGA Cards
> by Richard F. Ferraro     ISBN 0201624907
> 
> That being said, what I usually do under Linux is use the routines of
> SVGAlib to set the mode. This is not especially attractive since
> you have to run SVGAlib as root because it is a user space program
> using ioperm to allow register read/writes. I am about to start looking
> at the SVGAlib source so that I can write my own kernel-space system call to 
> set up the mode.
> 
> If you find any useful info on this matter please let me know.
> 
> Daniel
> >From: Lionel Pinkhard <lionelpi@mweb.co.za>
> >Reply-To: gameprogrammer@gameprogrammer.com
> >To: gameprogrammer@gameprogrammer.com
> >Subject: Video card control
> >Date: Sun, 6 Jul 1980 05:09:11 +0000
> >
> >Hi,
> >
> >I would just like to know, what registers need to be set to what and which 
> >interrupt needs to be called to initialize video modes (such as 13h) under 
> >Linux. Something like this in Dos:
> >
> >	AX = 0001 0011
> >	Interrupt 0001 0000
> >
> >I use the following procedure (asm):
> >
> >	mov	ax, 10011b
> >	int	10000b
> >
> >Also, a procedure to plot a pixel would be appreciated.
> >
> >BTW My numbers are in binary, because I prefer it over hexadecimal (reason 
> >unknown). An answer in hexadecimal will be happilly converted or used as 
> >is.
> >
> >Kind regards,
> >
> >Lionel Pinkhard
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