From mint-bounce@lists.fishpool.fi  Sat Aug 27 22:54:05 2005
X-Original-To: fnaumann@mail.boerde.de
Delivered-To: fnaumann@mail.boerde.de
Subject: Re: [MiNT] what's wrong with this code?
From: Odd Skancke <ozk@atari.org>
To: MiNT List <mint@fishpool.com>
In-Reply-To: <4300E409.3080101@klockars.net>
References: <20050810084953.GA29857@hysteria.sk>
	 <1123778764.5688.9.camel@linuxbox> <20050815064515.GA21766@hysteria.sk>
	 <4300696F.9000301@klockars.net> <1124121226.5688.19.camel@linuxbox>
	 <4300E409.3080101@klockars.net>
Content-Type: text/plain
Date: Sat, 27 Aug 2005 22:48:40 +0000
Message-Id: <1125182920.5860.4.camel@linuxbox>
Mime-Version: 1.0
X-Mailer: Evolution 2.0.4 (2.0.4-4) 
Content-Transfer-Encoding: 7bit
X-ecartis-version: Ecartis v1.0.0
Sender: mint-bounce@lists.fishpool.fi
Errors-To: mint-bounce@lists.fishpool.fi
X-original-sender: ozk@atari.org
Precedence: bulk
List-help: <mailto:ecartis@lists.fishpool.fi?Subject=help>
List-unsubscribe: <mailto:mint-request@lists.fishpool.fi?Subject=unsubscribe>
List-Id: <mint.lists.fishpool.fi>
X-List-ID: <mint.lists.fishpool.fi>
X-Virus-Scanned: by amavisd-new at relay.boerde.de
X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on relay.boerde.de
X-Spam-Status: No, hits=-0.9 tagged_above=-50.5 required=7.0 tests=AWL,
 BAYES_00
X-Spam-Level: 

man, 15,.08.2005 kl. 20.50 +0200, skrev Johan Klockars:

> Uhm...
> In what universe does a 680x0 RTE pull any stack pointer what-so-ever 
> from the stack?
> 
> On the stack you'll only find (for a Trap on a 680x0, x > 0):
> 0(a7).w  - SR
> 2(a7).l  -  return address
> 6(a7).w  - vector offset    (not there on the 68000)
> 
> No stack pointer is ever saved before entering an exception handler, nor 
> restored on RTE.
> There are physically separate registers for the various stack pointers, 
> which just get "remapped" in hardware depending on the bits in SR.

 You're right.