Re: A89: Re: Easy question

To: assembly-89@lists.ticalc.org
Subject: Re: A89: Re: Easy question
From: Scott Dial <wrath@calc.org>
Date: Wed, 29 Dec 1999 14:44:17 -0500
Organization: ByMe Inc. Technologies \ TCPA
References: <0.34d2338f.259b992c@aol.com>
Reply-To: assembly-89@lists.ticalc.org


Right before the label for vid_handle place a "even", this directs the
assemble to align this to a even address. Also, usually you can avoid
this by placing all the dc.b's below anything that has to be even
aligned.

KeysDezes@aol.com wrote:
> 
> And how exactly do I fix that?
> 
> In a message dated 12/29/99 11:25:12 AM Eastern Standard Time,
> lexlugger@dethstar.de writes:
> 
> > That's easy. vid_handle must be at an even address.
> >
> >  -----Original Message-----
> >  From: KeysDezes@aol.com <KeysDezes@aol.com>
> >  To: assembly-89@lists.ticalc.org <assembly-89@lists.ticalc.org>
> >  Date: Wednesday, December 29, 1999 14:02
> >  Subject: A89: Easy question
> >
> >
> >  >
> >  >Here's an easy one and I know I'm going to feel stupid when I find out
> >  what's
> >  >wrong.  I'm trying to use a screen buffer to move a sprite around the
> >  screen.
> >  > But I get an alignment error when trying to assemble on the following two
> >  >lines:
> >  >
> >  >    move.w  d0,vid_handle
> >  >
> >  >            and
> >  >
> >  >    move.w  vid_handle,-(a7)
> >  >
> >  >What am I doing wrong?
> >  >
> >  >
> >  >
> 
>                                             Grant Elliott
>                                             <A
> HREF="http://www.crosswinds.net/~proganon">Programmers Anonymous</A>

-- 
Scott "_Wrath_" Dial
wrath@calc.org
ICQ#3608935
TimeCity AI Guy II - www.timecity.org
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References:

Re: A89: Re: Easy question

From: KeysDezes@aol.com