ORG  0000H
			LJMP main
			org 000bh
			ljmp time0
			org 001bh
			ljmp time1
		
		         ORG 0013H
		         lJMP INTPT1  
		
			 ORG 0020H
		                              
		         switch         bit p1.0
		         mute           bit p1.1
		         p_warning      bit p1.2
		         p_relax        bit p1.3
		         p_guard        bit p1.4
		         provision_1    bit p1.5
		         provision_2    bit p1.6                     
		         provision_3    bit p1.7
		         ON_LINE        BIT p2.0
		         dtmf_ce        bit p2.1
		         seg_dat        bit p2.2
		         seg_clk        bit p2.3
		         dtmf_clk       bit p2.4
		         dtmf_dat       bit p2.5
		         p_record       bit p2.6
		         p_play         bit p2.7
		         p_int0         bit p3.2
		         p_int1         bit p3.3
		         p_localwarning bit p3.4
		         p_beep         bit p3.5  
		         SDA            bit P3.6
		         SCL            bit P3.7
			 leavehand      bit 12h
			 right          bit 11h		
		         relax_flag     bit 10H
		         LED7           bit 0EH
		         LED6           bit 0DH
		         LED5           bit 0CH
		         LED4           bit 0BH        ;play
		         LED3           bit 0AH        ;warning
		         LED2           bit 09H        ;preset
		         LED1           bit 08H        ;guard
		         ACK            BIT 07H    		;應答標志位變量
		
		         a_flag          bit 00h
		         time_out1       bit 01h 
		         firstflag1      bit 02h 
		         time_out        bit 03h 
		         valid1          bit 04h
		         keyflag         bit 05h
		         valid           bit 06h   
		         BITBUF          EQU 21H
		         addresspoint    equ 31h  ;已存電話個數 
		         position        equ 53h  ;IIC中電話的位置
			 max             equ 05h  ;能最多存的個數        ;?????????????????????????
			 length_pw       equ 04h  ;密碼長度        4
			 times_pw        equ 03h  ;最多輸入次數     3 
			 count2          equ 60h  ;5a~5d 為密碼緩存
			 count1          equ 61h

main:

                        cpl p3.6             ;清 看門狗
			CLR EA 
			MOV TMOD,#11H
			mov ip,#08h
			mov scon,#10h         ;方式0
			setb ex1              ;設防
		  	mov th0,#3ch           ;100ms
		  	mov tl0,#0b0h
		  	mov th1,#3ch           ;100ms
		  	mov tl1,#0b0h
			clr  IT1 
			SETB ET0
			setb et1


 			mov p0,#0ffh   
 			mov p1,#0ffh   
 			mov p2,#7eh   
 			mov p3,#0efh			
			
			MOV A,#00H
			MOV B,A 
			MOV R0,#20H
CLR_RAM:
			MOV @R0,A
			INC R0
			CJNE R0,#80H,CLR_RAM

                        setb firstflag1

 			mov sp,#65h   
                        mov position,#40h
			mov addresspoint,#01h       ;電話個數
			MOV 3AH,#00H  ;電話表指針
                        MOV 37H,#01H
			mov 54h,#0ffh
			mov 55h,#10h
			mov 56h,#10h
			mov 57h,#10h
			mov 58h,#10h
			
			mov 59h,#00h  


                               JB switch,RD_VALID000     ;跳線
			       MOV 30H,#16
			       LCALL delay5ms
			       JB switch,RD_VALID000
			       MOV 30H,#16
			       LCALL delay5ms
			       JB switch,RD_VALID000
			       lcall clrEEPR0M
RD_VALID000:
                               lcall rd_valid      ;////// 讀取valid \\                               

;============================ 關顯示 ==============================
MAIN1:  	jb p_relax,relax1										
			mov a,#10h 
			lcall disp_seg 
	                MOV 21H,#0FFH
			CLR LED1
	                MOV A,21H
			mov sbuf,a
	               	jnb ti,$
	                clr ti
			mov 30h,#4
			lcall delay5ms
relax1:
	                cpl p3.6           ;清看門狗
			SETB EA							
	                MOV 37H,#01h
	                nop
			nop
			nop
			nop

	 			 lcall save_valid

				 jNB p_relax,NEXT111 ;撤防 
				 MOV 30H,#10
				 LCALL delay5ms
				 JNB p_relax,NEXT111
				 MOV 30H,#10
				 LCALL delay5ms
				 JNB p_relax,NEXT111
				 lcall handfree
				 clr ex1
				 setb relax_flag 
			   	 MOV 21H,#0FFH
				 mov a,21H
				 mov sbuf,a
				 jnb ti,$
				 clr ti

NEXT111:
				 jNB p_guard,NEXT110   ;設防
				 MOV 30H,#10
				 LCALL delay5ms
				 JNB p_guard,NEXT110 
				 MOV 30H,#10
				 LCALL delay5ms
				 JNB p_guard,NEXT110
				 cpl p3.6           ;清看門狗
				  lcall beep
				  MOV 21H,#0FFH
				 CLR LED1
				 MOV A,21H
				 mov sbuf,a
				 jnb ti,$
				 clr ti
				 setb ex1
				 clr  relax_flag
NEXT110: 			 

			         jNB p_warning,NEXT1   ;響鈴