On 17-Jun-00 Nicolau Werneck wrote:
> hi!
>
> I'm trying to make a little graphical program, and I'm thinking in
> use the (IBM 80486) BIOS interruptions to set the video mode and
> put pixels on the screen (I'm looking for better solutions.. anyone?).
> I used to do this under DOS But I observed that FreeBSD
> (surprisingly! :) ) doesn't come with a dos.h library! I found out this
> bios.h file, with a structure of registers, and a
> function to call interruptions, but I couldn't figure out how it works...
> (what the hell is this first argument?).
> I know that I can draw on the screen writting directely to the
> 0xa0000 adress, and since I don't know how to do that in C (anyone
> again? :) ), The solution I found was the interruptions... But to set
> the video mode, can I use the vidcontrol program? How??? Even for
> high resolutions like 1024x760?
Look into libvgl. You don't want to use the BIOS as it will be intolerably
slow. I also don't think that we even allow the userland to access the
BIOS anyways. 'man vgl' should give you a useful manpage to read.
--
John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.cslab.vt.edu/~jobaldwi/pgpkey.asc
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
