Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!think!ames!ncar!tank!uxc!uxc.cso.uiuc.edu!uxg.cso.uiuc.edu!uxf.cso.uiuc.edu!emb1354
From: emb1354@uxf.cso.uiuc.edu
Newsgroups: comp.sys.mac.programmer
Subject: Re: Bus and Address Error insights (was
Message-ID: <1234600009@uxf.cso.uiuc.edu>
Date: 5 Oct 88 21:42:00 GMT
References: <630@ethz.UUCP>
Lines: 16
Nf-ID: #R:ethz.UUCP:630:uxf.cso.uiuc.edu:1234600009:000:773
Nf-From: uxf.cso.uiuc.edu!emb1354    Oct  5 16:42:00 1988



> Actually, you can't read or write to odd addresses unless you do so access by
> byte.  That is only the .B instructions can access odd addresses.  Also, all
> executable code must be word-aligned.

Actually (really this time), this is only true on the 68000.  On the 68020,
.W and .L instructions can also access odd addresses.  Moral: be aware of
which processor you really know how to program.  Mea culpa.  Mea culpa.  Mea
maxima culpa.

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*  Eric M. Berdahl            *  "Y'know, there's alot of air"  *
*  PsiWare Software, not inc. *       -Robert Miller            *
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