Re: Ultimax questions

From: Marko Mäkelä <msmakela_at_gmail.com>
Date: Thu, 10 May 2012 09:41:13 +0300
Message-ID: <20120510064113.GC2814@x220>
On Thu, May 10, 2012 at 08:15:05AM +0200, Segher Boessenkool wrote:
>>>Some time ago I decoded the PLA equations from a PLA dump (not the
>>>one that is all over the web, because that one is corrupted).
>
>[ That's the file at http://www.zimmers.net/anonftp/pub/cbm/firmware/computers/c64/pla.txt 
>]
>
>>hu? whats wrong with it
>
>Some lines are missing.

Which lines are missing? Did you check it against the C program that I 
wrote: 
http://www.zimmers.net/anonftp/pub/cbm/firmware/computers/c64/pla.c

>>and where is the correct one then?
>
>In the google hivemind, of course :-)
>
>I think I got it from http://www.arcadecomponents.com/f/C64APLA.jed.txt

Oh, this one is just some binary dump, not listing the equations. I 
guess everyone was interested in the equations back then, not in writing 
a binary dump to a 82S100 device.

It looks like the binary dump in the latter file is formatted 
differently. When you strip the address and trailing * and wrap the 
lines at 32 instead of 40 bits per line, it starts to look more like the 
earlier dump.

Best regards,

	Marko

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Received on 2012-05-10 07:01:02

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