asm51.asm

用单片机实现的总线比较的2取2功能的安全计算机

      MOV   A, #0
Loop:
      MOV   DPTR, #0
      MOVX  @DPTR, A
      INC   DPTR
      INC   A
      MOVX  @DPTR, A
      INC   DPTR
      INC   A
      MOVX  @DPTR, A
      CALL  Delay
      SJMP  Loop
      
Delay:
      MOV   R2, #20
      MOV   R1, #0
      MOV   R0, #0
DLP:
      DJNZ  R0, DLP
      DJNZ  R1, DLP
      DJNZ  R2, DLP
      RET
      
      END