Message-ID: <011201c25fd9$2d18b0d0$ee148589@bgo.nera.no>
From: "Gisle Vanem" <giva AT bgnett DOT no>
To: <djgpp AT delorie DOT com>
References: <36F74B8910ED2E4AB98A2E8829085F151796 AT email2k DOT compuweigh DOT com> <3D88FEFB DOT EFB9C4C AT phekda DOT freeserve DOT co DOT uk>
Subject: Re: Problems running Watt-32
Date: Thu, 19 Sep 2002 14:36:28 +0200
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Reply-To: djgpp AT delorie DOT com

"Richard Dawe" <rich AT phekda DOT freeserve DOT co DOT uk> said:
> 
> I suspect there's some problem with interrupts there. Have you tried talking
> to the author, Gisle Vanem, about how to debug it? Does it hang when you use
> gdb instead?

Problem solved; see other thread "detecting debugger". Problem was this
very tight loop:

static void Wait (void)
{
  unsigned long t = _farpeekl (_dos_ds,0x46C);
  while (_farpeekl (_dos_ds,0x46C) == t)
         ;
}

Inserting an __asm__ ("sti") in the loop solved the problem.

Gisle V.