what is the minimum requirement for the base language?

[ChengxiX]

I mean，what is the basic functions that the language which i choose for the interpreter?
for example can i make a modernized lisp machine by gates?and what is the challenge for this?

[dubek]

See the Pick a language section of the Mal implementation guide.

[kanaka]

I'm going through and closing old tickets. I think this has been answered.