nanogui: Raw hardware VGA driver Q
Subject:
Re: [nanogui] Raw hardware VGA driver Q
From:
Alan Cox ####@####.####
Date:
7 Jan 2002 15:58:03 -0000
Message-Id: <E16NcIo-0001e7-00@the-village.bc.nu>
> Has anyone adapted the VGA driver to do more than 4-bit colour on a x86 hardware? I'm interested
> to know how hard this would be to get going under eCos. Or maybe > 4-bit colour diverges from known
> standards sufficiently to depend on particular video chips. (I don't have a particular video
> card in mind right now.)
VGA 4bit is somewhat demented. A conventional 4bpp frame buffer (ie nibble
packed and direct access) should be a lot easier in fact
