ORG   RAMStart
COUNT DC.B	1
	ORG   ROMStart
Main:	LDS	#RAMEnd+1 		
	LDAA 	#$FF		
	STAA	DDRB			
	STAA	DDRA			
	LDAA 	#$00		
	STAA	DDRH			
	STAA	COUNT			
	LDAA 	#$80		
	STAA	TSCR1			
	LDAA 	#$86		
	STAA	TSCR2			
	LDAA	#0			
	BSET	TFLG2,%10000000	
	CLI				
H1	LDAB	PTH			
	STAB	PORTA			
	BRA	H1			
TOF_ISR INC COUNT			
  	LDAA  COUNT
	STAA	PORTB
	BSET	TFLG2,%10000000	
	RTI				
	ORG	$FFDE
	DC.W  TOF_ISR
	ORG	$FFFE
	DC.W  Main