单片机交通灯代码 - - Powered by Discuz!

标题: 单片机交通灯代码 [打印本页]

作者: 合议庭 时间: 2017-6-3 17:27
标题: 单片机交通灯代码
这是前几天的单片机，交通灯的源代码

P4 DATA 0xc0
my_prog SEGMENT CODE
      RSEG my_prog
      ORG 00
      JMP main
      ORG 0X0003
   jmp count
      ORG 0X0013
      JMP count1

main:
      MOV IE,#133
      CLR TCON.3
      SETB TCON.2
      CLR TCON.1
      SETB TCON.0
      MOV A,#0
Loop:ljmp Loop
count:
      PUSH DPH
      PUSH 02H
      JB ACC.0,SETP46
      SETB P4.6
      JMP CON1
SETP46: CLR P4.6
CON1: JB ACC.1,SETP47
      SETB P4.7
      JMP CON2
SETP47: CLR P4.6
CON2: JB ACC.2,SETP16
      SETB P1.6
      JMP CON3
SETP16: CLR P1.6
CON3: JB ACC.3,SETP17
      SETB P1.7
      JMP CON
SETP17: CLR P1.7
CON:    CJNE A,#12,CON5
      MOV A,#0
      RETI
CON5: INC A
      RETI
count1:  MOV A,#0
END

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