Re: Re: Re: Re: Disk rom dump (D9090)

From: Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net>
Date: Thu, 6 Feb 2014 20:56:42 +0100
Message-ID: <20140206195642.GB10494@hermes.local.trikaliotis.net>
Hell Hervé,

* On Wed, Feb 05, 2014 at 09:14:46PM +0100 hwarin@neuf.fr wrote:
>    I did a quick compare and found interesting things (or may be did the FDC
>    copy program that I've changed slightly worked badly)
> 
>    1) Both "DOS" ROMs show no difference with zimmer's Rev C ones
>    2) My 2716 chip is clearly labelled Rev B ... but :
>    - No change on the upper 1k part with Rev B
>    - No change on the lower 256b part with Rev B
>    - From 023D to 03FB : Filled with AA (NOPs ?)
>    - From 0100 to 023C and from 03FC to 03FF, code is different.
> 
>    This might be a Rev C FDC ROM with a Rev B sticker ?

Do you think about uploading your ROM somewhere so others can have a
look at it, too?

Regards,
Spiro.

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

       Message was sent through the cbm-hackers mailing list
Received on 2014-02-06 20:00:08

Archive generated by hypermail 2.2.0.