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Mail Archives: djgpp/1997/04/03/21:40:42

From: "Ian Pitt" <IanPitt AT worldnet DOT att DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Allegro demos problem (was: Allegro 2.2)
Date: 3 Apr 1997 21:47:20 GMT
Organization: AT&T WorldNet Services
Lines: 147
Message-ID: <01bc4078$d8ff6280$3a2392cf@ian>
References: <334356D9 DOT 4B27 AT eik DOT bme DOT hu>
Reply-To: "Ian Pitt" <Ian_Pitt AT bigfoot DOT com>
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To: djgpp AT delorie DOT com
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I figured out that the problem occurred when the sound card was initialize
using the AUTODETECT option.

I simply replaced AUTODETECT with DIGI_SB (sound card I use) and that seem
to work around the problem.



DR. Andras Solyom <solyom AT eik DOT bme DOT hu> wrote in article
<334356D9 DOT 4B27 AT eik DOT bme DOT hu>...
> Shawn Hargreaves wrote:
> 
> > 
> 
> > Ian Pitt writes:
> 
> > >I am unable to execute the demo program that is bundled with Allegro
2.2.
> 
> > >Most of the other examples work fine.
> 
> > 
> 
> > Most? If there are any others that don't work, that would be very
> 
> > helpful in identifying the problem...
> 
> > 
> 
> > >When I try the demo it simply returns me back to my Win95 desktop. 
Anybody
> 
> > >knows why?
> 
> > 
> 
> > Nope :-) It would be useful if you could do some investigating of this.
> 
> 
> 
> I also have problems running the demos, both in Win95 and in DOS 6.22.
> 
> Most of them most of the times exits with a stack trace consisting of
> 
> only one level backtrace. But sometimes some of them runs. This means
> 
> that if I start some of them 20 times in succession then in one try they
> 
> run without any errors, but most of the time they just quit with a
> 
> segmentation error.
> 
> I was able to compile them with DJGPP 2 without any problem, simply
> 
> running make.
> 
> I have tried the following combinations so far:
> 
> 	Pentium 100 Mhz system, w. 40 Mbytes RAM, 2 GBytes Quantum IDE drive 	
> 
> (free space about 300 Mbytes), 
> 
> 	2 Mbytes Trio64 video card
> 
> 	- Under Win95 in a DOS window 
> 
> 	- under plain DOS 6.22 with Himem only and with QEMM (but no qdpmi)
> 
> 	A DX266 system with 16 Mbytes memory, 340 Mbytes HD, Trident 8900 CL
> video 	 card
> 
> 	- Under Win95 in a DOS window 
> 
> 	- under plain DOS 6.22 with Himem only and with QEMM (but no qdpmi)
> 
> I found that the programs stop in 'allegro_init'.
> 
> 
> 
> Oh, I just see, that perhaps the problem is not with Allegro itself, but
> 
> with the 'palantir' event library of Dim Zegebart, as I have
> 
> incorporated it in allegro before the make. I will re-make Allegro again
> 
> without it, and come back with he results.
> 
> 					Andras
> 
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<html><head></head><BODY bgcolor=3D"#FFFFFF"><p><font size=3D2 =
color=3D"#000000" face=3D"Arial">I figured out that the problem occurred =
when the sound card was initialize using the AUTODETECT option.<br><br>I =
simply replaced AUTODETECT with DIGI_SB (sound card I use) and that seem =
to work around the problem.<br><br><br><br>DR. Andras Solyom &lt;<font =
color=3D"#0000FF"><u>solyom AT eik DOT bme DOT hu</u><font color=3D"#000000">&gt; =
wrote in article &lt;<font =
color=3D"#0000FF"><u>334356D9 DOT 4B27 AT eik DOT bme DOT hu</u><font =
color=3D"#000000">&gt;...<br>&gt; Shawn Hargreaves wrote:<br>&gt; =
<br>&gt; &gt; <br>&gt; <br>&gt; &gt; Ian Pitt writes:<br>&gt; <br>&gt; =
&gt; &gt;I am unable to execute the demo program that is bundled with =
Allegro 2.2.<br>&gt; <br>&gt; &gt; &gt;Most of the other examples work =
fine.<br>&gt; <br>&gt; &gt; <br>&gt; <br>&gt; &gt; Most? If there are =
any others that don't work, that would be very<br>&gt; <br>&gt; &gt; =
helpful in identifying the problem...<br>&gt; <br>&gt; &gt; <br>&gt; =
<br>&gt; &gt; &gt;When I try the demo it simply returns me back to my =
Win95 desktop. &nbsp;Anybody<br>&gt; <br>&gt; &gt; &gt;knows =
why?<br>&gt; <br>&gt; &gt; <br>&gt; <br>&gt; &gt; Nope :-) It would be =
useful if you could do some investigating of this.<br>&gt; <br>&gt; =
<br>&gt; <br>&gt; I also have problems running the demos, both in Win95 =
and in DOS 6.22.<br>&gt; <br>&gt; Most of them most of the times exits =
with a stack trace consisting of<br>&gt; <br>&gt; only one level =
backtrace. But sometimes some of them runs. This means<br>&gt; <br>&gt; =
that if I start some of them 20 times in succession then in one try =
they<br>&gt; <br>&gt; run without any errors, but most of the time they =
just quit with a<br>&gt; <br>&gt; segmentation error.<br>&gt; <br>&gt; I =
was able to compile them with DJGPP 2 without any problem, =
simply<br>&gt; <br>&gt; running make.<br>&gt; <br>&gt; I have tried the =
following combinations so far:<br>&gt; <br>&gt; &#009;Pentium 100 Mhz =
system, w. 40 Mbytes RAM, 2 GBytes Quantum IDE drive &#009;<br>&gt; =
<br>&gt; (free space about 300 Mbytes), <br>&gt; <br>&gt; &#009;2 Mbytes =
Trio64 video card<br>&gt; <br>&gt; &#009;- Under Win95 in a DOS window =
<br>&gt; <br>&gt; &#009;- under plain DOS 6.22 with Himem only and with =
QEMM (but no qdpmi)<br>&gt; <br>&gt; &#009;A DX266 system with 16 Mbytes =
memory, 340 Mbytes HD, Trident 8900 CL<br>&gt; video =
&#009;&nbsp;card<br>&gt; <br>&gt; &#009;- Under Win95 in a DOS window =
<br>&gt; <br>&gt; &#009;- under plain DOS 6.22 with Himem only and with =
QEMM (but no qdpmi)<br>&gt; <br>&gt; I found that the programs stop in =
'allegro_init'.<br>&gt; <br>&gt; <br>&gt; <br>&gt; Oh, I just see, that =
perhaps the problem is not with Allegro itself, but<br>&gt; <br>&gt; =
with the 'palantir' event library of Dim Zegebart, as I have<br>&gt; =
<br>&gt; incorporated it in allegro before the make. I will re-make =
Allegro again<br>&gt; <br>&gt; without it, and come back with he =
results.<br>&gt; <br>&gt; &#009;&#009;&#009;&#009;&#009;Andras<br>&gt; =
</p>
</font></font></font></font></font></body></html>
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