20 lines
		
	
	
	
		
			180 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
	
		
			180 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
/ $Header$
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	.text
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	.globl	cmu4~
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cmu4~:
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	mov	(sp)+,r1
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	clr	r0
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	cmp	(sp),4(sp)
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	bhi	1f
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	blo	2f
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	cmp	2(sp),6(sp)
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	bhi	1f
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	beq	3f
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2:
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	inc	r0
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	br	3f
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1:
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	dec	r0
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3:
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	add	$10,sp
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	jmp	(r1)
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