bnlisp

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• bnlisp, a lisp for 2.11BSD

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#+BEGIN_SRC [2017-08-02 19:16:49] C is great because it lets me write scheme #+END_SRC

bnl (Marc Cleave) was a fan of, among other things, Lisp, PDP-11s and UNIX. In bnlisp, we try to encapsulate some of these interests by building a lisp interpreter which runs on the PDP-11 under 2.11BSD.

It is currently full of memory leaks, so, enjoy.

** Primitives

• PROGN
• QUOTE
• WHILE
• IF
• SETQ
• LAMBDA
• CONS
• CAR
• CDR
• RPLACA
• RPLACD
• EVAL
• PRINT
• ALL-SYMBOLS
• EQ (as in pointers)
• = (numeric)
• STRING=
• READ (read a lisp expression)
• LOAD (load a .bnl lisp file)
• CONCATENATE (strings only at the moment)
• STREAM-OPEN (open file or network stream)
• STREAM-CLOSE
• STREAM-READ
• STREAM-EOF?

We all miss you bnl :heart: