#INCLUDE	'A:\VAR_DEF.ASM'
* GIURGIUTIU, Victor
* Define program variables
	ORG	DATA
DELAY	RMB	1
* Start main program
	ORG	PROGRAM
START	LDX	#REGBAS
* Begin typing your code
* Send low 	
BEGIN	LDAA	#%00000000
	STAA	PORTB,X
	LDAB	DELAY
LABEL1	SUBB	#1
	BHI	LABEL1
* Send high
	LDAA	#%00000010
	STAA	PORTB,X
	LDAB	DELAY
LABEL2	SUBB	#1
	BHI	LABEL2
	BRA	BEGIN
	SWI

	ORG	$FFFE	; reset vector
	FDB	START	; set to start of program