Re: On Topic:: ) Help w/encoder

On Fri, 27 Feb 1998 13:33:08 -0800, Clay Cowgill <ClayC@diamondmm.com> wrote:

>> I'm pretty sure the Tempest controller has 72 teeth, whereas the Sega
>> controller
>> has only 64.
>>
>That could well be right. I was thinking the Sega had 32 for some
>reason. I'm pretty sure that the Midway spinner (TRON) has 128.

The 64 teeth for Sega I thought was well thought out since in quadrature that
gives 256 positions in one rotation, allowing one, in software, to use absolute
positions associated with absolute values.

I have no idea where Atari got 72...

-Zonn

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Received on Fri Feb 27 14:04:39 1998