From: "Bruce G. Stewart" <bruce.g.stewart@worldnet.att.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Fixing the Older Millennium-1 Cursor
Date: Wed, 5 Jul 2000 08:32:16 +0000 [thread overview]
Message-ID: <3962572D.953ED26D@worldnet.att.net> (raw)
In-Reply-To: <200007020115.VAA06014@fuji.homenet>
I have fixed the Millenium I cursor on my machine; I'll dig it out and forward
it to you. The problem is that aux/vga sets the vertical blanking interval way
too short, and the cursor is triggered off the end of the vertical blanking
pulse.
The end-vertical-retrace register should have something like total vertical - 2
or total vertical - 1. I amended /src/cmd/aux/vga/mga2164w.c to do this and the
cursor works fine.
As an added bonus, a few scanlines worth of cruft at the top of the screen went
away.
This probably should be changed in the generic vga file - I can't think of any
reason it should ever be set to anything else, since plan9 has no overscan
border.
I will get the specifics for you next time I have 9 booted.
Stephen Wynne wrote:
> RAMDAC docs: http://www.ti.com/sc/docs/products/analog/tvp3025.html
> Where to get started: /src/9/pc/vgamga2164w.c
> What v3 does support: http://www.ti.com/sc/docs/products/analog/tvp3026.html
next prev parent reply other threads:[~2000-07-05 8:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-07-02 1:15 Stephen Wynne
2000-07-05 8:32 ` Bruce G. Stewart [this message]
2000-07-05 8:32 ` Bruce G. Stewart
2000-07-06 8:48 ` Bruce G. Stewart
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