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em_exg.s@ 10

Last change on this file since 10 was 9, checked in by Mattia Monga, 14 years ago
Minix 3.1.2a
File size: 270 bytes

Rev	Line
[9]	1	.sect .text; .sect .rom; .sect .data; .sect .bss
	2	.define .exg
	3
	4	! #bytes in ecx
	5	.sect .text
	6	.exg:
	7	push edi
	8	mov edi,esp
	9	add edi,8
	10	mov ebx,edi
	11	add ebx,ecx
	12	sar ecx,2
	13	1:
	14	mov eax,(ebx)
	15	xchg eax,(edi)
	16	mov (ebx),eax
	17	add edi,4
	18	add ebx,4
	19	loop 1b
	20	2:
	21	pop edi
	22	ret

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