   0 ;; simple while loop
   0 
   0 ;;  A[10] at 100..110
   0 ;;  let r2 = i, r3 = tmp
   0 .s
   0 A 100  
   0 .a 0
   0 .c
   0 	xor r2 r2 r2	;; i = 0
   1 :while	sub r0 r2 #10	;; i < 10
   2 	jmp ge exit
   3 	add r3 r2 #2	;; i + 2
   4 	st @A r2 r3	;; A[i] = .
   5 	add r2 r2 #1	;; i = i + 1
   6 	jmp always while
   7 :exit	trap stop r0
   8 .e
