;;
;; Arguments and initialization
;;
;;	Arguments are as follows:
;;
;;	register 1	pointer to vector of aobjn pointer for basic areas
;;		 2	return address
;;		 3	start of stack
;;		 4	end of stack
;;		 5	start of heap
;;		 6	end of heap
;;		 7	frame pointer
;;		10	flags
;;			0 - 1 => do not trim arrays
;;			1 - 1 => purify
;;			rest - ignored
;;		11	first array not to trim
;;		12	other array not to trim
;;

;;
;;	We must give some info back
;;
;;		 4	end of stack
;;		 5	start of heap
;;		 6	new "memlo" (lowest existing word for allocation)
;;		 7	number of words "saved" by GC
;;		10	end of heap
;;
