Thanks to all who pointed me to CLISP. (ftp from
ma2s2.mathematik.uni-karlsruhe.de in /pub/lisp/clisp) It runs well, and
meets all of my requirements, except possibly graphics. It even compiles!
I highly recommend it. It's available for just about any platform,
including DOS (which I'm using).
--
# Peter Dudey, 11 kyu, Lisp SubGuru, Order of the Golden Parentheses \FINGER #
# The Emergent Church -- "Tenets? You'll have to ask us as a group..." \ME #
# If a megacorp added $3 to everybody's bill for 'fees', who'd complain? #
# Please mail me plastic spaceships: 900 State St. C-210, Salem, OR 97301 #