Is this a true statement: Part II

[Kragen Sitaker]

In article <slrn9jvibr.is.grante at tuxtop.visi.com>,
Grant Edwards <grante at visi.com> wrote:
>On Sun, 01 Jul 2001 11:17:31 GMT, Kragen Sitaker <kragen at dnaco.net> wrote:
>
>>>You could write an operating system that could only be directly
>>>programmed in Python.
>>
>>I'm not sure how.  Nobody has yet come up with an operating system that
>>could only be directly programmed in C, or Lisp, or Algol, or Java,
>>despite implementing operating systems in all four.
>
>Weren't Symbolics machines circa 1980 directly programmable
>in Lisp?

No, they just had an instruction set that was well-suited to
implementing Lisp, and a Lisp implementation with enough low-level
features that you could write device drivers in it.
-- 
<kragen at pobox.com>       Kragen Sitaker     <http://www.pobox.com/~kragen/>
Perilous to all of us are the devices of an art deeper than we possess
ourselves.
       -- Gandalf the White [J.R.R. Tolkien, "The Two Towers", Bk 3, Ch. XI]