remove assembly words written in forth and assembly...
re-arrange some words and remove some assembly words better written in Forth already
add .input as deferable prompt, called after REFILL before the interpret starts. Defaults to CR.
Factor (create-in) to create a named entry in a given wordlist. very lowlevel
interrupt counter table. requires WANT_INTERRUPT_COUNTERS
add number of interrupts
JZ is BREQ