vectorlist-steve wrote:
> I stumbled across James' food fight page last night before I posted.  
> After checking the datasheet for the 82s153 there was not mention of 
> fuses so I have high expectations a read can be performed.  A friend 
> has offered to dump his spld if he can and another offered clone his 
> chip to a blank one if needed.  Seems like a worthy mini project to 
> archive this info.
>
> The Atari Quantum part number is 137290-001 but the game built by 
> General Computer Corp for Atari (well known fact) and was their only 
> vector game built under contract for Atari.  I took John's advise and 
> looked through the food fight files and mame source but could not find 
> a match for the 137290-001.  The memory map is also different between 
> the two games so it is ovbiously not a plug and play.
>
> James also indicated food fight decoder used only simple combinatorial 
> logic so if that holds true for Quantum, and I had a good chip, I 
> could just run through all itterations on the input and map the 
> outputs.  A little refactoring and we end up with the logic to program 
> a 82s153, a GAL16v8 like James did or whatever floats your boat and 
> the source files also end up on the net for posterity.
>
>
If you find the code I can burn the PROM...if you provide a blank, or 
will use one of mine for its cost.
John :-#)#
>
>
> On 11/17/2012 2:59 PM, jrok wrote:
>> The good news is the 82S153 didn't have protection fuses so they can 
>> be read out straight with the right programmer.  Then with a little 
>> work the fuse matrix can be reversed back to the equations.
>> There's really not that much too them, If anyone wants to have a go 
>> it I've got the datasheets plus the 1983 signetics programmable logic 
>> manual scanned around here.
>>
>> - James
>>
>>
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Received on Sat Nov 17 19:11:07 2012
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