;*******發送/接收程序**************
;首先要整理數據
F_TEL1	BIT	010H	;在電話1解碼的最后，應設置此標志位
F_TEL2	BIT	011H	;
F_DATA_LAST	BIT	012H	;數據發送完成標志 

TEL_BUF
TEL_NUM			;暫存位置




;輸入：要發送的個數tel_num、發送BUFFER的開始位置tel_buf
;影響的是R0、R1、R2、R3、R4


OUT:
	JNB F_TEL1,SEND_TEL2	;首先合并
	AJMP SEND_TEL1
	JNB F_TEL2,OUTRET
SEND_TEL1:
	MOV R0,#TEL1_BUF
	MOV R2,TEL1_NUM	
	AJMP START_OUT
SEND_TEL2:
	MOV R0,#TEL2_BUF
	MOV R2,TEL2_NUM	
	
START_OUT:
	MOV TEL_BUF,R0	; 暫存
	MOV R3,TEL_BUF
	MOV TEL_NUM,R2


	MOV A,R0
	ADD A,R2
	MOV R2,A	;此時，R2是結束的地址
START_OUT_0:
	MOV A,R0
	MOV R1,A
	MOV A,R2
	XRL A,R0	;是否已經到了最后一個
	JNZ START_OUT_1
	SETB F_DATA_LAST
	AJMP START_OUT_2
START_OUT_1:	
	INC R1
	MOV A,R2
	XRL A,R1	;是否已經到了最后一個
	JNZ START_OUT_2
	SETB F_DATA_LAST
START_OUT_2:	
	MOV A,@R0
	SWAP A
	ANL A,#0F0H	
	MOV @R3,A
	JNB F_DATA_LAST START_OUT_4	;最后一個數低4位為F
	ORL A,#00FH
	MOV @R3,A
	AJMP START_OUT_3
START_OUT_4:	
	MOV A,@R1
	ORL A,@R0
	MOV @R3,A

	INC R0
	INC R0
	INC R3
	
	JB F_DATA_LAST,START_OUT_3
	AJMP START_OUT_0
	SETB DATACLK
START_OUT_3:
		
	MOV A,TEL_NUM
	MOV B,2
	DIV AB
	INC A
	MOV TEL_NUM,A	;是要發送的BYTE個數
	MOV R2,TEL_NUM
	
	MOV A,R3
	MOV R0,A
	
START_OUT_5:
	MOV R1,#08H
	CLR C
START_OUT_8:	
	MOV A,@R0
	RLC A
	MOV @R0,A
	JC START_OUT_6
	CLR DATAOUT
	AJMP START_OUT_7
START_OUT_6:
	SETB DATAOUT

START_OUT_7:
	CPL DATACLK
	DJNZ R1,START_OUT_8	;8BIT結束
	INC R0
	DJNZ R2,START_OUT_5	;發送的BYTE數

	

	
	
	
	
	
	;ADD A,#0CH	;最后連續發送3個F