Author: Christophe Theron
Date: 19:30:18 06/17/00
Go up one level in this thread
On June 16, 2000 at 22:32:28, Robert Hyatt wrote:
>On June 16, 2000 at 20:54:22, Christophe Theron wrote:
>
>>On June 16, 2000 at 20:15:58, Robert Hyatt wrote:
>>
>>>On June 16, 2000 at 15:02:31, Oliver Roese wrote:
>>>
>>>>I recall, i saw a printout of horrible quality in a book, some long time ago.
>>>>So i know the code is available for the public. But it seems not to be found on
>>>>the net somehere.
>>>>Or am i wrong here?
>>>>
>>>>Oliver Roese
>>>
>>>
>>>Note that it was written in Compass (CDC assembly language). I am sure it is
>>>laying around somewhere... I used to have a copy of it myself. However, it was
>>>very hard to read...
>>
>>
>>I remember that I have read somewhere that Chess 4.x was entirely written in
>>Fortran 77.
>>
>>Well you must know better than me, as you have met the authors of the program...
>>
>>
>> Christophe
>
>
>It was definitely written in Compass. You will even find a reference to this
>in Chess Skill in Man and Machine. They wrote a few cute macros to help cut
>the size of the code down, but it was hard to read.
OK, so the magazine was definitely wrong...
Christophe
>Dave Cahlander still works at Cray I think (he worked for CDC and wrote the
>Compass assembler way back when). He might be a contact to get a copy of the
>source code. But in any case, I have personally been thru the code, and did
>some porting work when Harry and I were running it on a Cyber 176 at Livermore
>as a tune-up opponent for various chess events. Cray Blitz and most other
>programs were FORTRAN. But Chess 4.x and Duchess were pure assembler.
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