ORG $840		  
GRADE 	dc.b 	69,87,96,45,75 
MYCOUNT	EQU	$800
HIGHEST	EQU	$810
 
 		LDAA  #5		
		STAA	MYCOUNT
 		LDX 	#GRADE	
 		CLRA 			
 AGAIN: 	CMPA 	0,X		
 		BHI 	NEXT		
 		LDAA 	0,X		
 NEXT: 	INX			
 		DEC 	MYCOUNT		
		BNE	AGAIN		
 		STAA 	HIGHEST