Kind of, given that Common Lisp is highly influenced by Interlisp-D, Lisp Machines, so naturally it has the necessary language features for such kind of low level coding.
Nice, last time I used this it was actually written in Crystal. I used it at the time to render VGM files, very handy and fast. Author is nice and responsive as well, I reported an odd issue with a VGM I had and she responded quickly.