Re: Dos App hangs with DPMI / PIC problem

Ryan Underwood
2004-09-16T19:58:23Z

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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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