[Techtoolslist] leland off road pal dump needed u85

[Fabrizio Vasile]

Yes, it's possible to dump PLD using an Arduino.
When they are registered or partially registered/combinatorial there is 
no way to do except  a manually recreation of equations analyzing the 
device and its connections/behaviour on PCB.

Il 17/03/2015 20:21, William Stillwell ha scritto:
> So, Theorically, one could just use the same information and dump the data
> via an Arduino .
>
> The only issue is being when they are registered or partially
> registered/combinatorial..
>
>
>
> -----Original Message-----
> From: Techtoolslist [mailto:techtoolslist-bounces at flippers.com] On Behalf Of
> Fabrizio Vasile
> Sent: Tuesday, March 17, 2015 1:32 PM
> To: jrr at flippers.com; Technical Tools Mail List
> Subject: Re: [Techtoolslist] leland off road pal dump needed u85
>
> I use this device to dump protected PLDs (in the project archive there is
> also the software needed to analyze binary dumps):
>
> http://dreamjam.co.uk/emuviews/pal/index.html
>
>
>
>
> Il 17/03/2015 17:29, John Robertson ha scritto:
>> What is the hardware needed? Perhaps it can be duplicated on this side
>> of the pond...
>>
>> John :-#)#
>>
>> On 03/17/2015 9:02 AM, Fabrizio Vasile wrote:
>>> Yes, I have the hardware to dump it.The problem I'm located in Italy
>>> and there are chances the chip could get lost during shipping.
>>>
>>> Il 17/03/2015 16:51, William Stillwell ha scritto:
>>>> It would be nice to get the chip / jed to Fabrizzo to put up on
>>>> jammarcade pld archive.
>>>>
>>>> He already mentioned he has the hardware to dump them.
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Techtoolslist [mailto:techtoolslist-bounces at flippers.com] On
>>>> Behalf Of Gary M. McTaggart
>>>> Sent: Tuesday, March 17, 2015 10:11 AM
>>>> To: Technical Tools Mail List
>>>> Subject: Re: [Techtoolslist] leland off road pal dump needed u85
>>>>
>>>> I'll forward to Aaron Giles and see if he has the correct stuff to
>>>> dump these too. I could bring the chip to him.
>>>>
>>>>> On Mar 17, 2015, at 7:08 AM, Gary M. McTaggart
>>>>> <gary.mctaggart at gmail.com>
>>>> wrote:
>>>>> If you have your adapter, I can get a chip to you for the track
>>>>> pack Clay. I was in Portland yesterday. Wish I would had known
>>>>> then. :)
>>>>>
>>>>> I can mail you the chip for the track pack.
>>>>>
>>>>> Otherwise I can use my rom burner to read it, but that may take
>>>>> longer for
>>>> me to get to.
>>>>>
>>>>>> On Mar 17, 2015, at 12:32 AM, Clay Cowgill <c.cowgill at comcast.net>
>>>>>> wrote:
>>>>>>
>>>>>> I might still have the exact adapter.  I'll look for it Tuesday
>>>>>> and report back here... I can take a few pictures of it. (I might
>>>>>> even have a Track Pack boardset and could just read the PROM in
>>>>>> here. I don't remember what's our machine in storage. I'll look.
>>>>>> If nothing else, if our PCB is the original one just reading and
>>>>>> duplicating that would serve as a proof of
>>>>>> concept.)
>>>>>>
>>>>>> OE&CE can just be disconnected. Looking at the schematics all the
>>>>>> outputs are going to be push/pull (no tristate), so nothing 'special'
>>>>>> required to brute-force the dump.  (Also, two outputs are not even
>>>>>> used.)
>>>>>>
>>>>>> -Clay
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: Techtoolslist [mailto:techtoolslist-bounces at flippers.com] On
>>>>>> Behalf Of tonyhtbsusa
>>>>>> Sent: Monday, March 16, 2015 6:17 PM
>>>>>> To: 'Technical Tools Mail List'
>>>>>> Subject: Re: [Techtoolslist] leland off road pal dump needed u85
>>>>>>
>>>>>> Do you have a pinout of how you did it Did you go from pin one to
>>>>>> pin one Did it matter what address line or data line went to what
>>>>>> pin on eprom The
>>>>>> 2716 starts at address 7 on pin 1 And data lines are split From
>>>>>> side to side What did you do with /oe or /ce Thanks tony
>>
>
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