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Re: [MiNT] Missing clobbered register in gemlib

To: Johan Klockars <johan@klockars.net>
Subject: Re: [MiNT] Missing clobbered register in gemlib
From: Miro Kropacek <miro.kropacek@gmail.com>
Date: Sun, 20 Dec 2009 09:25:25 +0100
Cc: Vincent Rivière <vincent.riviere@freesbee.fr>, mint@lists.fishpool.fi
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The book I normally trust regarding these things does claim that
d0-d2/a0-a2 are indeed clobbered for BIOS and XBIOS, but that only
d0-d1/a0-a1 are for GEMDOS (and actually only a0 for everything except
SUPER).

Hmm, Compendium says BIOS/XBIOS/GEMDOS "may utilize" d0-d2/a0-a2. So maybe it isn't always needed but maybe on some obscure version of TOS it is.

--
MiKRO / Mystic Bytes
http://mikro.atari.org

References:
- [MiNT] Missing clobbered register in gemlib
  - From: Patrice Mandin <mandin.patrice@orange.fr>
- Re: [MiNT] Missing clobbered register in gemlib
  - From: "Helmut Karlowski" <helmut.karlowski@ish.de>
- Re: [MiNT] Missing clobbered register in gemlib
  - From: Vincent Rivière <vincent.riviere@freesbee.fr>
- Re: [MiNT] Missing clobbered register in gemlib
  - From: "Roger Burrows" <rfburrows@ymail.com>
- Re: [MiNT] Missing clobbered register in gemlib
  - From: Henk Robbers <h.robbers@chello.nl>
- Re: [MiNT] Missing clobbered register in gemlib
  - From: Vincent Rivière <vincent.riviere@freesbee.fr>
- Re: [MiNT] Missing clobbered register in gemlib
  - From: Johan Klockars <johan@klockars.net>

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