Date: Sat, 21 Sep 1996 18:37:39 +1000 (EST) From: David Dawes <dawes@rf900.physics.usyd.edu.au> To: proff@suburbia.net (Julian Assange) Cc: hackers@FreeBSD.ORG Subject: Re: SVGATextMode under FBSD Message-ID: <199609210837.SAA14845@rf900.physics.usyd.edu.au> In-Reply-To: <199609210731.RAA15662@suburbia.net> from "Julian Assange" at Sep 21, 96 05:31:35 pm
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>I have a fetish for large text screens (the one I'm writing this email on
>is 180x60 (8x16 font) 10800 chars on screen at once, that's 5 x as much
>information before my brain). FreeBSD's inability to do this is the
>biggest problem I have with it, so I've started porting linux's SVGATextMode
>package.
>
>I'm managed to get vgaset running so far (lets you play with s/vga registers
>interactively and produces XF86 mode lines from your fiddling), however
>there are a few kernel issues I'd like advice on, before I start creating
>my own standards.
>
>FreeBSD, SVR4 and linux have:
>
> ioctl (open("/dev/console"), KDENABIO|KDDISABIO, 0)
>
>which gives access to all ioports.
On SVR4.0 (at least), this enables/disables the list built up with the
KDADDIO|KDDELIO calls. It doesn't turn on access to all ports.
>However SVR4 and linux also have:
>
> ioctl (open("/dev/console"), KDADDIO|KDDELIO, port)
>
>which gives/removes access to ioports in granular manner.
David
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