Presumably this is some stuff for stuffing up the
"Super" Nova

novcon is a program that sits in the nova and acts as a pdp10 console and
loads the nova.
debug is an octal debugger for the nova.

nvmids assembles nova code, more or less

other relevant nova programs not on this directory are
sys1;ts nlod  the program that sits in the pdp10 and feed binary cruft to
the nova