Date: Sat, 17 Jun 2000 07:57:34 -0300 From: "Nicolau Werneck" <nwerneck@net.em.com.br> To: freebsd-questions@freebsd.org, freebsd-hackers@freebsd.org Subject: BIOS interruption calls in C under freebsd for graphics Message-ID: <200006171057.HAA02504@inetminas.estaminas.com.br>
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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 ------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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