Re: Firmware Everywhere

From: smf <smf_at_null.net>
Date: Fri, 26 May 2017 15:27:41 +0100
Message-ID: <bfb4b00f-a213-a135-dbfd-93b4a94c8dcc@null.net>
Thanks very much. I've passed this on as I don't have the time to do it 
myself.

We've got people who do this kind of thing for fun.

On 26/05/2017 10:00, Bo Zimmerman wrote:
> Thanks!
>
> They are here:
>
> http://www.zimmers.net/tmp/partyami.zip
>
> For what it's worth, here is some advice based on my last 2-3 weeks of 
> struggling through the other roms:
>
> 1. The roms were not always read out at the proper size for the target 
> eprom, resulting in an image twice as big as it should be. I used a 
> little tool called FilePatternFinder * to detect this, and correct 
> this problem.  I haven't run it against any of the amiga roms yet.
>
> 2. The filenames are SOMEWHAT helpful to identifying the rom, but 
> you'll want more.   To give you some clues, I recommend comparing the 
> unknown roms to KNOWN roms from your other amiga rom image 
> collections.  When an unknown rom is 100% identical to a known rom, 
> you win.  When they are 98% similar, you might be looking at another 
> revision of a known rom.  When they are 10-20% similar, well, at least 
> you know it was written for the same processor.  To scan all the roms 
> against known ones, I used SimilarFileFinder*. This was immensely 
> helpful.
>
> 3. If #2 doesn't identify an image, then you might need to just 
> visually scan the rom for ASCII information.  If it's a kickstart or 
> bios, you'll find information in there somewhere. However, many of the 
> roms are in even/odd format.  To fix that problem, I used 
> FileDeInterleaver*.
>
> * all the above named tools can be downloaded here: 
> https://sourceforge.net/projects/coffee-tools/
>
>
> Enjoy!
>
> - Bo
>
>
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Received on 2017-05-26 15:00:03

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