On Sat, 17 Jun 2000, Nicolau Werneck wrote:
> Date: Sat, 17 Jun 2000 07:57:34 -0300
> From: Nicolau Werneck <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED], [EMAIL PROTECTED]
> Subject: BIOS interruption calls in C under freebsd for graphics
>
> 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?
> ------- End of forwarded message -------
>
>
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There are better ways to get pixels on the screen when using FreeBSD.
I haven' tried but these tools are worth looking at.
1) Tcl (Tool Command Language) is easy to learn and you can create a
useful program in minutes! http://dev.scriptics.com/
2) GTK v1.2 Tutorial. http://www.gtk.org/tutorial/gtk_tut.html
3) The Qt-product series. http://www.trolltech.com/products/qt/
I may missed the point but I disregard the bios on pc machines once
booted.
-d
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