Reversi for OS-9 on the Tandy Color Computer 3

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This collection of files is a (very crude) version of the game of Reversi, for 
Microware C develiopment system for Color Computer OS-9/6809.

The compiler was a pre-ANSI-C version. Prototypes in the header files are therefore 
strictly for documentational purposes.

The main routine is defined in the file reversa.c/reversi.c. reversa.c was an attempt 
to get some speed improvement by re-writing the scanning routine, radar(), in assembly 
language. I don't remember how much improvement I got, but it was not very much, maybe 
20%?

xxx.r (xxx.ar) files are linkable object, and extensionless files are the executable 
object (if they all survived intact). xxx.a is assembly language. The other files 
should be fairly self-explanatory, if you know OS-9/6809 on the old Color Computer. 
You may have to convert line endings.

I also re-wrote the program for Turbo-C/DOS (I don't seem to find that version handy.) 
before the re-write that is this collection of files. I don't know that it is really 
meaningful to include the linkable and executable objects, but I do so anyway. They 
aren't that big.

I may re-write this for the Mac for practice, and I may not. I have lots of fun 
projects and no where near enough time.

I assign all my rights to the program and algorithm, source and object, to the public 
domain. (Be warned, the strategy is not that great.)

Joel Matthew Rees, Takino, Kato, Hyogo, Japan, February 2000