Author: Robert Hyatt
Date: 19:35:10 06/16/00
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On June 16, 2000 at 21:04:07, Tom Kerrigan 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 > >I believe that it was written entirely in Fortran 77, but when running on a CDC, >much of the code was replaced with equivalent hand-coded assembly. >-Tom You are wrong. It was written 100% in compass (CDC assembler). Nuchess, which was sometimes called chess 5.x was written in Fortran. If you want to hear this from the "horse's mouth" you can find Dave Slate's email pretty easy. Or ask Dave Cahlander at Cray. Or ask anyone that was active in computer chess in the 70's...
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