单片机课程设计报告

单片机课程设计报告(八)

sp;   A,37H
     MOV    B,#100
     DIV    AB
     MOV    38H,A
     MOV    37H,B
     XCH    A,B
     MOV    B,#10
     DIV    AB
     MOV    37H,A
     MOV    36H,B
     RET

DISP: SETB RS0
       MOV   R0, #36H
       MOV   R7, #3
LOOPP:MOV   A, @R0
       MOV DPTR, #TAB
       MOVC A,   @A+DPTR
       MOV SBUF, A
       JNB TI, $
       CLR TI
       INC R0
       DJNZ R7, LOOPP
       CLR RS0
       RET
TAB: DB 11H, 0D7H, 32H, 92H, 0D4H, 98H, 18H, 0D1H, 10H, 90H ,0FFH, 070H, 0FEH
      ; 延时子程序
T12MS: SETB RS1
       MOV      R7, #18H
   TM: MOV R6, #0FFH
   TM6: DJNZ R6, TM6
        DJNZ R7, TM
        CLR RS1
        RET
   ; 开机延时程序
    T1S: SETB RS1
        MOV   R6, #3
    LSP:ACALL T12MS
        DJNZ R6, LSP
        CLR RS1
        RET
        END

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