noname1.asm

51串口发送AT通讯指令测试程序

    mov dptr,#0300h
      loop:
     clr p0.0
     mov a,#00h
     movc a,@a+dptr
     mov p1,a
     lcall delay
     setb p0.0


    clr p0.1
     mov a,#01h
     movc a,@a+dptr
    mov p1,a
    lcall delay
     setb p0.1

    clr p0.2
    mov a,#02h
     movc a,@a+dptr
     mov p1,a
     lcall delay
     setb p0.2


    clr p0.3
     mov a,#03h
     movc a,@a+dptr
     mov p1,a
      lcall delay
     setb p0.3


    clr p0.4
    mov a,#04h
     movc a,@a+dptr
     mov p1,a
      lcall delay
       setb p0.4


    clr p0.5
     mov a,#05h
     movc a,@a+dptr
     mov p1,a
      lcall delay
     setb p0.5


    clr p0.6
    mov a,#06h
     movc a,@a+dptr
     mov p1,a
      lcall delay
     setb p0.6


    clr p0.7
    mov a,#07h
     movc a,@a+dptr
     mov p1,a
      lcall delay
      setb p0.7
      ljmp  loop