22 lines
		
	
	
	
		
			270 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			22 lines
		
	
	
	
		
			270 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
.sect .text; .sect .rom; .sect .data; .sect .bss
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.define .exg
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	! #bytes in ecx
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.sect .text
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.exg:
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	push	edi
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	mov	edi,esp
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	add	edi,8
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	mov	ebx,edi
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	add	ebx,ecx
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	sar     ecx,2
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1:
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	mov	eax,(ebx)
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	xchg	eax,(edi)
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	mov	(ebx),eax
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	add	edi,4
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	add	ebx,4
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	loop	1b
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2:
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	pop	edi
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	ret
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