Rewrite registers to be addresses, not cells
Also add initial (incomplete) implementations of the unification instructions.
    
        | author | Steve Losh <steve@stevelosh.com> | 
    
        | date | Sun, 27 Mar 2016 18:32:37 +0000 | 
    
        | parents | ae2b13a9a629 | 
    
        | children | 00f7bec64b84 | 
(let ((*standard-output* (make-broadcast-stream)))
  (ql:quickload "bones-test"))
(defvar *passed* t)
(defun test (spec)
  (let ((result (5am:run spec)))
    (5am:explain! result)
    (when (not (5am:results-status result))
      (setf *passed* nil))))
(test :bones)
(test :bones.paip)
(sb-ext:exit :code (if *passed* 0 1))