Fibonacci.a

            LOAD A, 01         ; load 1 into A
            LOAD B, 00         ; load 0 into B
            OUTPUT             ; output to store in bufa
            STORE bufa         ; store in bufa
      loop: ADD A,B            ; add A and B
            OUTPUT             ; output to store in bufb
            STORE bufb         ; store in bufb
            LOAD B, end        ; load constant end into B
            JNE continue       ; if B != end, continue
            HALT               ; Halt
  continue: LOAD bufa          ; load bufa
            MOV A,B            ; move A into B
            LOAD bufb          ; load bufb
            JMP loop           ; jump to loop (continue adding)

       end: EQU E9             ; end is E9
      bufa: DB 0               ; initialize bufa with value 0
      test: RESB 8             ; add space for demonstration of RESB
      bufb: DB 0               ; initialize bufb with value 0