[Techtoolslist] RASTER: FW: Using 8080 pod on Midway8080 boards (Space Invaders)
Kevin Moore
talon.k at gmail.com
Wed Feb 20 08:18:12 EST 2013
I have successfully run all Atari boards with the 6502, and 6809 pods.
Generally I do a Run UUT @0 I never type in 0000 Don't know if that
makes a difference.
Kevin
On Tue, Feb 19, 2013 at 9:02 PM, Clay Cowgill <c.cowgill at comcast.net> wrote:
>> 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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