ORG		0000H
	AJMP	START
	ORG 	0023H
	AJMP	TO_INTSE
	ORG		0030H
START:MOV	DPTR,#0FF82H
	MOV 	A,#0D1H
	MOVX 	@DPTR,A
DEN:MOVX 	A,@DPTR
	JB 	ACC.7,DEN 
	MOV 	A,#00H
	MOVX 	@DPTR,A
	MOV 	A,#2AH
	MOVX 	@DPTR,A
    
	MOV 	TMOD,#20H
	MOV 	TL1,#0FDH
	MOV 	TH1,#0FDH
	SETB 	TR1
		
	MOV PCON,#00H
    MOV SCON,#10010000B
    
    MOV R7,#07H
    MOV R1,#40H
    MOV @R1,#01H
LP:	INC	R1 
	MOV @R1,#01H
    DJNZ R7,LP 
    MOV R1,#40H
    MOV R0,#00H
    SETB EA
    SETB ES
    MOVX A,@R1 
    ADD A,#00H
   	MOV C,P
    MOV TB8,C
    MOV SBUF,A
W_MAINA:SJMP W_MAINA
TO_INTSE:JB SCON.0,TO_LOOP
          CLR SCON.1
          SJMP TO_ENDT
TO_LOOP:	CLR SCON.0
          MOV A,SBUF
          SUBB A,#01H
          JC LOOP3
          MOVX A,@R1 
          ADD A,#00H
          MOV C,P
          MOV TB8,C
          MOV SBUF,A
          MOV SBUF,A
          SJMP TO_ENDT
    LOOP3:INC R1
          INC R0
          MOVX A,@R1
          ADD A,#00H
          MOV C,P
          MOV TB8,C
          MOV SBUF,A
          CJNE R0,#08H,TO_ENDT
          CLR ES
   TO_END:RETI       
   END       
	
        MOV R1,#50H
        MOV R0,#00H
       
  W_MAIN_B:SJMP   W_MAIN_B
   TO_INTR:JB SCON.0,TO_LOOPR
           CLR SCON.1
           SJMP TO_ENDTR
  TO_LOOPR:CLR SCON.0
           MOV A,SBUF
           ADD A,#00H
           MOV C,P
           JC TO_LOOP1
           ORL C,RB8
           JC TO_LOOP2
           SJMP TO_LOOP3
  TO_LOOP1:ANL C ,RB8
           JC TO_LOOP3
  TO_LOOP2:MOV A,#0FFH
           MOV SBUF,A
           SJMP TO_ENDTR
  TO_LOOP3:MOVX @R1,A
           MOV A,00H
           MOV SBUF,A
           INC R0
           INC R1 
           CJNE R0,#08H,TO_ENDTR
           CLR  ES
  TO_ENDTR:ACALL 	DISP 
  	RETI            
disp:	MOV 	DPTR,#0FF82H
	MOV 	A,#90H
	MOVX 	@DPTR,A
	MOV 	R0,#50H
	MOV 	R5,#08H
	MOV 	DPTR,#0FF80H
DL0:	MOV 	A,@R0
	ADD 	A,#05H 
	MOVC 	A,@A+PC
	MOVX 	@DPTR,A 
	INC 	R0
	DJNZ 	R5,DL0
	RET
TAB:	DB 3FH,06H,5BH,4FH,66H
	DB 6DH,7DH,07H,7FH,6FH
    END