Hmmm... This strikes me as maybe the weak point.....

The PC tells the PIC on every restart? Perhaps there was a brown-out 
that reset the PIC, but not the PC? Would the PIC get "Zeroed"?

Rolf


William Killian wrote:
> The same reel controller card is used in all reel games.  But not all
> reel games have the same fault/home positions.
>
> The PC tells the reel controller (PIC) what the safe positions are when
> the game starts.  
>
> So it isn't hard coded cause the reel strips are not the same in all
> games.
>
>   
>> -----Original Message-----
>> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
>>     
> Behalf
>   
>> Of David VanHorn
>> Sent: Thursday, February 09, 2006 3:51 PM
>> To: Microcontroller discussion list - Public.
>> Subject: Re: [PIC] question from someone new to the list
>>
>>     
>>> With the half hearted approach the casino and our slot tech take
>>>       
> they
>   
>>> don't remove and replace the whole machine for me to examine.  I got
>>> only the PIC chips sent back to me.  I believe I checked them right
>>>       
> off
>   
>>> and the EEPROM read correctly and not as all zero for those three
>>>       
> bytes.
>   
>>> With code protect on that meant I believe I put the chips in a board
>>>       
> and
>   
>>> homed the reels and they didn't go to zero.
>>>       
>>
>> You have me curious.. This home location parameter sounds like
>>     
> something
>   
>> that dosen't change, but it's in EE?   If it dosen't change, it should
>>     
> be
>   
>> hardcoded.
>> --
>>
>> View/change your membership options at
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>>     
>
>   

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