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Mail Archives: djgpp/1998/08/04/13:06:56

Message-Id: <m0z3kWj-000S3uC@inti.gov.ar>
Comments: Authenticated sender is <salvador AT natacha DOT inti DOT gov DOT ar>
From: "Salvador Eduardo Tropea (SET)" <salvador AT inti DOT gov DOT ar>
Organization: INTI
To: "Cephaler" <cephaler AT hotmail DOT com>, djgpp AT delorie DOT com
Date: Tue, 4 Aug 1998 14:15:42 +0000
MIME-Version: 1.0
Subject: Re: help! SIGILL?!?
In-reply-to: <01bdbfa6$7abfabe0$6cc3b8cd@scully>

"Cephaler" <cephaler AT hotmail DOT com> wrote:

> 	Eeek I need help in a big way on this. It seems my less-than-standard asm
> code and I have screwed up something with djgpp. A program yesterday and
> ran fine yesterday won't run today, after I ran a couple odd looking asm
> programs. No extra tsr's...no viruses, no weird stuff going on... I don't
> know what to make of this:
> 
> Shutting down Allegro
> Exiting due to signal SIGILL              <------------ Hmmmmmmmm
> Invalid Opcode at eip=00092b08
> eax=00000000 ebx=000900af ecx=000000a0 edx=00000000 esi=00000020
> edi=000190a0
> ebp=0008d898 esp=0008d886 program=C:\NICK\DJGPP\GAME\TEST.EXE
> cs: sel=00a7  base=82739000  limit=0019ffff
> ds: sel=00af  base=82739000  limit=0019ffff
> es: sel=00cf  invalid
> fs: sel=00bf  base=00000000  limit=ffffffff
> gs: sel=00bf  base=00000000  limit=ffffffff
> ss: sel=00af  base=82739000  limit=0019ffff
> 
> Call frame traceback EIPs:
>   0x00092b08
> 
> I've never gotten that before...did I screw something up in my bios? Even
> after restarting the problem is still there. Help would be greatly
> appreciated

I got it when I tried to execute an invalid opcode for my processor perhaps 
you are jumping in the middle of 2 instructions. Take a look to the code at 
92b08 and see what's that. I guess you did a bad jmp or ret (the ret can be 
becuase you messed up the stack).

SET
------------------------------------ 0 --------------------------------
Visit my home page: http://set-soft.home.ml.org/
or
http://www.geocities.com/SiliconValley/Vista/6552/
Salvador Eduardo Tropea (SET). (Electronics Engineer)
Alternative e-mail: set-soft AT usa DOT net set AT computer DOT org
ICQ: 2951574
Address: Curapaligue 2124, Caseros, 3 de Febrero
Buenos Aires, (1678), ARGENTINA
TE: +(541) 759 0013

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