Re: Similarity between 1540 and 2031

From: Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net>
Date: Sat, 2 Dec 2017 14:39:35 +0100
Message-ID: <20171202133935.GA9152@hermes.local.trikaliotis.net>
Hello Ruud,

* On Sat, Dec 02, 2017 at 09:48:01AM +0000 Baltissen, GJPAA (Ruud) wrote:
 
> Just a know how. After building the 1541IDE, one of my ideas was to build the
> 2031IDE. Reason: the hardware and software have lots in common. We all know
> that both the ROMs of both system are different. Yesterday evening I noticed
> something funny: except for the very first byte, which is the checksum, I could
> use the source code of the 1540 for the $C000/$DFFF part of the 2031 as well.

I already noted this when I created my 2031/1540/1541/1570/1571
disassembly, and I think I noted this on this very mailing list. The
differences in the $C000-$DFFF part are all because of the moved
functions in the $E000-$FFFF part.

Regards,
Spiro.

-- 
Spiro R. Trikaliotis
http://www.trikaliotis.net/

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