STC单片机学习型遥控器程序

                  MOV  ISP_TRIG,#0B9H
                 NOP
              MOV  ISP_CMD,#00H                           ;ISP指令清零，防止误触发
              MOV  ISP_TRIG,#00H
              MOV  ISP_ADDRH,#00H
              MOV  ISP_ADDRL,#00H

                  MOV  A,ISP_DATA                             ;为0FF则是错误的，回去，不为0FF则继续
                 CJNE A,#0FFH,ISP_READ
                 LJMP KEY_MAIN


ISP_READ:    MOV  GESHU,ISP_DATA
             MOV  R1,GESHU
             MOV  R0,#00H
LOOP_READ:  LCALL BYTE_READ
            INC R0
                LCALL BYTE_READ
                INC R0
                DJNZ R1,LOOP_READ
                LJMP TX_EXROM


BYTE_READ:   INC R0
              MOV  ISP_ADDRH,ADDRH                       
              MOV  ISP_ADDRL,R0
                 DEC R0
                 CLR EA
                  MOV  ISP_CONTR,#WAIT_TIME
                 ORL ISP_CONTR,#10000000B
                  MOV  ISP_CMD,#ISP_CMD_READ
                  MOV  ISP_TRIG,#46H
                  MOV  ISP_TRIG,#0B9H
                 NOP
                  MOV  A,ISP_DATA
                  MOV X @R0,A
                 RET
                 




TX_EXROM:     MOV  TMOD,#00010010B
               MOV  TH0,#0F4H
               MOV  TL0,#0F4H
               MOV  R1,GESHU
               MOV  R0,#00H
               MOV X A,@R0
               MOV  TL1,A
              INC R0
               MOV X A,@R0
               MOV  TH1,A
              INC R0
              DEC R1
               MOV X A,@R0
               MOV  ZHIL,A
              INC R0
               MOV X A,@R0
               MOV  ZHIH,A
              INC R0
              DEC R1

              SETB ET1
              SETB ET0
              SETB EA
              SETB TR1
              SETB TR0        
              CLR TXOUT

MAIN2:CJNE R1,#00H,MAIN2
      CLR TXOUT
       MOV  p1,#55h
      LJMP KEY_MAIN


T0IN:CPL TXZAI               
     RETI                 

T1IN:  MOV  TL1,ZHIL
       MOV  TH1,ZHIH
      JB TR0,NEXTT1       
      SETB TR0
      LJMP NEXTT
NEXTT1:CLR TR0            
       CLR TXZAI          

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本文关键字：单片机  程序  遥控器  学习型  STC单片机(，单片机-工控设备 - STC单片机(