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Maclisp Dunnet (1982)

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Re: Maclisp Dunnet (1982)

#3

Post by fiddlerwoaroof »

Reading through the code, it looks like it would work in most common lisp implementations with only fairly minor modifications. (I think there are a couple things there that might be non-standard-compliant but still behave sanely in most common lisps).

Re: Maclisp Dunnet (1982)

#4

Post by kragen »

I always found the parallel-arrays (or rather parallel-lists) structure of Dunnet aggravating. Isn't there a better textual representation for an adventure game map than this?

    (setq dungeon-map '(
    ;		          no  so  ea  we  ne  se  nw  sw  up  do  in  ot
                        ( 96  -1  -1  -1  -1  -1  -1  -1  -1  -1  -1  -1 ) ;0
                        ( -1  -1   2  -1  -1  -1  -1  -1  -1  -1  -1  -1 ) ;1
                        ( -1  -1   3   1  -1  -1  -1  -1  -1  -1  -1  -1 ) ;2
                        ( -1  -1  -1   2   4   6  -1  -1  -1  -1  -1  -1 ) ;3
                        ( -1  -1  -1  -1   5  -1  -1   3  -1  -1  -1  -1 ) ;4
                        ( -1  -1  -1  -1  255 -1  -1   4  -1  -1  255 -1 ) ;5
This predecessor version has it even a bit worse: https://github.com/Quogic/DunnetPredecessor/blob/master/foo....

Re: Maclisp Dunnet (1982)

#6

Post by larsbrinkhoff »

fiddlerwoaroof wrote: post #3

Reading through the code, it looks like it would work in most common lisp implementations with only fairly minor modifications. (I think there are a couple things there that might be non-standard-compliant but still behave sanely in most common lisps).

Yes, Maclisp and Common Lisp are quite close. I'd argue it's more fun to run on a PDP-10 (emulator).

Re: Maclisp Dunnet (1982)

#7

Post by PhasmaFelis »

Interesting. I thought "Wait, 'MacLisp' in 1982? The Mac wasn't released until '84!"

Turns out that MacLisp has nothing to do with Apple. It came out of MIT's Project on Mathematics and Computation--Project MAC--in the late '60s.

Re: Maclisp Dunnet (1982)

#8

Post by aidenn0 »

PhasmaFelis wrote: post #7

Interesting. I thought "Wait, 'MacLisp' in 1982? The Mac wasn't released until '84!" Turns out that MacLisp has nothing to do with Apple. It came out of MIT's Project on Mathematics and Computation--Project MAC--in the late '60s.

There was a "Macintosh Common Lisp" though; originally named "Coral Common Lisp" and it was forked to what is today known as "Clozure Common lisp" which is not to be confused with any of the various other projects using misspelled versions of the word "closure"

Re: Maclisp Dunnet (1982)

#9

Post by ksherlock »

fiddlerwoaroof wrote: post #3

Reading through the code, it looks like it would work in most common lisp implementations with only fairly minor modifications. (I think there are a couple things there that might be non-standard-compliant but still behave sanely in most common lisps).

from README_port:

... The difficulty lies in the fact that it used a library called "Comred", which utilized the JSYS (system call) on Tops-20 that allowed for command completion in the standard way of that OS. So (as in the modern Dunnet), when you login tot he computer, you feel like you are on a Tops-20 computer. ...

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