Given that on a Lisp Machine (or in a Lisp OS like Mezzano https://github.com/froggey/Mezzano https://github.com/froggey/Mezzano ), the language talks natively

Given that on a Lisp Machine (or in a Lisp OS like Mezzano https://github.com/froggey/Mezzano https://github.com/froggey/Mezzano ), the language talks natively to low-level devices (Graphics, SCSI, Bus, Ethernet, ... and other peripherals), it is expected that it has to deal with bits, too.