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From: Lars Brinkhoff <lars@nocrew.org>
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Subject: Re: [TUHS] Sad News - we last two wonderful people in the past few
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Dave Horsfall wrote:
>> I have fond memories of playing it on the GT-40, and if Andrew Hume
>> is reading this he'll remember reverse-engineering the code and
>> modifying it for three-play operation; I think Peter Ivanov also
>> implemented reverse gravity...
> Oops; reverse gravity (for the Sun) was implemented for Space Wars (or 
> whatever it was called; this was ~40 years ago, so don't expect my memory 
> to be the best).

I wonder how many GT40 Spacewar implementations there were?
I have seen two: one from MIT, the other from Stanford.