LDAA 	#$80		
	STAA	TSCR1			
	LDAA 	#$04		
	STAA	TSCR2			
	BSET	TIOS,%10000000	
	LDAA 	#$40			
	STAA	TCTL1			
OVER	LDD	TCNT			
	ADDD	#62500		
	STD	TC7			
HERE	BRCLR	TFLG1,mTFLG1_C7F,HERE	
	BSET	TFLG1,%10000000	
 	BRA	OVER