From: Ryan Underwood <nemesis-lists@icequake.net>
To: linux-msdos@vger.kernel.org
Subject: Re: Dos App hangs with DPMI / PIC problem
Date: Thu, 16 Sep 2004 14:58:23 -0500 [thread overview]
Message-ID: <20040916195823.GJ30337@dbz.icequake.net> (raw)
In-Reply-To: <Pine.LNX.4.58.0409160938500.5105@enm-bo-lt.localnet>
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On Thu, Sep 16, 2004 at 09:43:40AM +1200, Bart Oldeman wrote:
>
> > I have a hang there too, and in fact any similar ID/Apogee
> > game which has a screen like that. I haven't any idea what it's sitting
> > there waiting on....
>
> The timer interrupt generator is reprogrammed, and the loop is waiting
> until the timer interrupt has a counter set to a specific value. dosemu
> can't keep up (>100 Hz), and has to catch up. So the program sees the
> value increasing by amounts > 1. This means that the counter never reaches
> *exactly* the value the program wants to see, it steps over it.
>
> Your /dev/rtc patch may help, but I haven't checked that.
I haven't checked it with those programs either. I'll give it a try and
see what happens.
--
Ryan Underwood, <nemesis@icequake.net>
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next prev parent reply other threads:[~2004-09-16 19:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-15 4:49 Dos App hangs with DPMI / PIC problem anon permutation
2004-09-15 8:54 ` Bart Oldeman
2004-09-15 21:00 ` Ryan Underwood
2004-09-15 21:43 ` Bart Oldeman
2004-09-16 19:58 ` Ryan Underwood [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-09-17 4:18 anon permutation
2004-09-16 16:45 Stas Sergeev
2004-09-16 3:33 anon permutation
2004-09-16 20:01 ` Ryan Underwood
[not found] <BAY15-F39YZMGN7Osdt000486a9@hotmail.com>
2004-09-10 16:16 ` Ryan Underwood
2004-09-09 4:10 anon permutation
2004-09-09 15:02 ` Ryan Underwood
2004-09-09 3:28 anon permutation
2004-09-09 2:42 anon permutation
2004-09-08 9:54 anon permutation
2004-09-08 20:49 ` Ryan Underwood
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