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SBCL was forked from CMU Common Lisp 20 years ago, which was started as a project as Spice Lisp at CMU 39 years ago.

• agumonkey 7y ago
  did we reach root ?
  • wrycoder 7y ago
    http://www.cs.cmu.edu/Groups/AI/html/faqs/lang/lisp/part2/faq-doc-13.html http://www.cs.cmu.edu/Groups/AI/html/faqs/lang/lisp/part2/fa... Apparently, Spice is a derivative of MacLisp.
    • ScottBurson 7y ago
      A "dialect" of MacLisp, the page says. I doubt there was any code in common.
      • pfdietz 7y ago
        The LOOP macro may have been derived from MacLisp.
  • lispm 7y ago
    If we ask what was Spice Lisp based on, I don't know if it used sources from a prior Lisp. Though there was an earlier C-MU Lisp, which was based on UCI Lisp, Stanford LISP 1.6,... Generally Spice Lisp was in the Maclisp camp.