LIST			P=P16F628

		__CONFIG		3FF5H

PORTB		EQU		6
TRISB		EQU		86H
OPTREG		EQU		81H
STATUS		EQU		3
CARRY		EQU		0
RP0		EQU		5
MSB		EQU		3
		
		CLRF	PORTB	
		BSF		STATUS, RP0
		CLRF	TRISB	
		MOVLW	0AH
		MOVWF	OPTREG
		BCF		STATUS, RP0
BAL		SLEEP
		RLF		PORTB, 1
		BTFSS	PORTB,MSB
		GOTO	BAL
JOBB		SLEEP
		RRF		PORTB, 1		
		BTFSS	PORTB, 0
		GOTO	JOBB
		GOTO	BAL

		END