;======================================
; READ RC5 Format
; OUTPUT : TOGGLE.7 = TOGGLE BIT
;	       ADDR = ADDRESS 5 BIT 
;	        CDM = COMMAND 6 BIT
;	          C = 0 READ OK
;		    = 1 READ ERROR
;======================================
GET_RC5:BTFSC	IR
	GOTO	GET_RC5		; WAIT IR LOW
	CLRF	TMR0		; clear timer 0
	NOP
	BCF	INTCON,T0IF	; CLR timer 0 flag
	NOP
	;
	BTFSC	INTCON,T0IF     
	GOTO	ERR1		
	;
	BTFSS	IR
	GOTO	$-3
	;	
	MOVF	TMR0,W		
	;MOVLW	0xC8		; FOR TEST
	MOVWF	TEMP
	MOVLW	0XFF		; 1020 mS = 255*4
	SUBWF	TEMP,W
	BTFSC	STATUS,C
	GOTO	ERR1		; ERROR IF Time > 1020 uS
	MOVLW	0XC8		; 800 mS
	SUBWF	TEMP,W
	BTFSS	STATUS,C
	GOTO	ERR1		; ERROR IF Time < 800 uS  (C8h * TM0 Prescaler = 800 uS )
	;
	BTFSC	IR  		; Time validate 800uS-1020uS
	GOTO	$-1		; WAIT TO LOW (Syn BIT)
	CALL	DELAY1252	; DELAY 3/4 BIT LENGHT=1252 uS
	;
	BTFSS	IR
	BCF	TOGGLE,7	
	BTFSC	IR
	BSF	TOGGLE,7	
	;		
	BTFSS	IR
	GOTO	$+4
	BTFSC	IR
	GOTO	$-1
	GOTO	READ	
	;
	BTFSS	IR
	GOTO	$-1

;====== READ ADDRESS 5 BIT ===========
; READ MSB FIRST
;	
READ:	MOVLW	5
	MOVWF	TEMP	; LOOP COUNTER
	CLRF	ADDR
	;	
READ1:	CALL	DELAY1252
	BTFSS	IR
	BCF	STATUS,C
	BTFSC	IR
	BSF	STATUS,C
	RLF	ADDR,F	; SHIFT LEFT ADDRESS
	;
	BTFSS	IR
	GOTO	$+4
	BTFSC	IR	; WAIT LOW
	GOTO	$-1
	GOTO	$+3
	;
	BTFSS	IR
	GOTO	$-1
	;
	DECFSZ	TEMP,F
	GOTO	READ1
	;
;====== READ COMMAND 6 BIT ===========	
; READ MSB FIRST
;
	MOVLW	6
	MOVWF	TEMP	; LOOP COUNTER
	CLRF	CMD
	;	
CMD1:	CALL	DELAY1252
	BTFSS	IR
	BCF	STATUS,C
	BTFSC	IR
	BSF	STATUS,C
	RLF	CMD,F	; SHIFT LEFT COMMAND
	;
	BTFSS	IR
	GOTO	$+4
	BTFSC	IR
	GOTO	$-1
	GOTO	$+3
	;
	BTFSS	IR
	GOTO	$-1
	;
	DECFSZ	TEMP,F
	GOTO	CMD1
	;	
	MOVLW	0X3F	; 0011 1111
	ANDWF	CMD,F
	MOVLW	0X1F	; 0001 1111
	ANDWF	ADDR,F
	BCF	STATUS,C	; C=0 NO ERROR
	RETURN
	;
ERR1:	BSF	STATUS,C	; C=1 HAVE ERROR	
	RETURN