LDS   #RAMEnd+1        
	LDAA 	#$80		
	STAA	TSCR1			
	LDAA 	#$00		
	STAA	TSCR2			
	BSET	TIOS,%00010000	
OVER	JSR	HI
	JSR	LO
	BRA	OVER
HI	LDAA 	#$02			
	STAA	TCTL1			
	LDD	TCNT			
	ADDD	#12000		
	STD	TC4			
HERE1	BRCLR	TFLG1,mTFLG1_C4F,HERE1	
	BSET	TFLG1,%00010000	
 	RTS
LO	LDAA 	#$03			
	STAA	TCTL1			
	LDD	TCNT			
	ADDD	#8000			
	STD	TC4			
HERE2	BRCLR	TFLG1,mTFLG1_C4F,HERE2	
	BSET	TFLG1,%00010000	
 	RTS