Re: 6809 assembly knowledge needed

From: James L. Mazurek <>
Date: Thu, 7 Jan 2010 12:20:45 -0600
Message-ID: <>
Hi All,

I'm new to this list.  I'm currently "Computer sitting" Jack Rubin's
SuperPET.  It is set up and ready to run with copies of the Waterloo
language disks.  So if you would like to send some source code and
data sets my way I can try to compile when I have some free time.  I
can return object code and memory dumps.  Examining some output from
real hardware might give you a better understanding of the addressing
mode in question.

-Jim Mazurek

On Thu, Jan 7, 2010 at 12:47 AM,  <> wrote:
> Hallo Josef,
>> According to this ....
> Many thanks for the conformation! But AFAIK this is the only reentrant
> related code for accessing a table. And a meager one IMHO; it is
> equivalent to LDA Label / LDA [Label] ie. you can only address one
> value. And I wonder if the indirect instruction is of any use: if
> "Label" is part of this reentrant code, what value should the compiler
> calculate? I think I'll take Jack's advice to consult the FLEX group.
> BTW, how many people amongst us own a SuperPET? I know that Patryk and I
> have one.
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Received on 2010-01-07 19:00:24

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