Re: RASTER: FW: Using 8080 pod on Midway8080 boards(Space Invaders)

Yes, we're able to run Tempest boards with a standard 6502 pod with no
problems also.

Alex

----
ayeckley@elektronforge.com
www.elektronforge.com  
>-----Original Message-----
>From: techtoolslist-bounces@flippers.com 
>[mailto:techtoolslist-bounces@flippers.com] On Behalf Of Clay Cowgill
>Sent: Tuesday, February 19, 2013 10:02 PM
>To: 'Technical Tools Mail List'
>Subject: Re: [Techtoolslist] RASTER: FW: Using 8080 pod on 
>Midway8080 boards(Space Invaders)
>
>> We have seen a failure of a
>> 6502 pod such that the address driver line was "weak" and couldn't 
>> always drive successfully drive the pin above the TTL 
>threshold.  That 
>> same pod would pass its own self test, presumably because 
>the loopback 
>> inputs of the pod have higher impedance than the target 
>board address 
>> lines.  Perhaps something like that is happening here?
>
>Out of curiosity, has anyone successfully run Tempest from the 
>6502 pod?  I never had any trouble using one to poke around in 
>memory and test stuff (way back with the Tempest multigame), 
>but my Tempest machine would never 'run'
>from the 9010.  Tried a couple different CPU's and maybe even 
>a 9005, but I only had one 6502 pod...  Never really knew if 
>it was just my machine, the pod or both...
>
>-Clay
>
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