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帮忙看看这是什么算法?
发表于: 2004-5-3 18:33 5815

帮忙看看这是什么算法?

2004-5-3 18:33
5815
太大了,完整的在附件中。
下面是片断:
                     mov	eax, [ebp-28h]
		mov	[ebp-34h], eax
		lea	ecx, [ebp-34h]
		mov	[ebp-38h], ecx
		lea	edx, [ebp-18h]
		mov	[ebp-10h], edx
		mov	dword ptr [ebp-18h], 0
		mov	eax, [ebp-38h]
		mov	cl, [eax+1]
		mov	[ebp-14h], cl
		mov	edx, [ebp-10h]
		add	edx, 2
		mov	[ebp-20h], edx
		movsx	eax, byte ptr [ebp-14h]
		sar	eax, 7
		and	eax, 1
		mov	[ebp-14h], al
		movsx	ecx, byte ptr [ebp-14h]
		shl	ecx, 4
		mov	[ebp-14h], cl
		mov	edx, [ebp-20h]
		mov	al, [edx]
		or	al, [ebp-14h]
		mov	ecx, [ebp-20h]
		mov	[ecx], al
		mov	edx, [ebp-38h]
		mov	al, [edx+2]
		mov	[ebp-14h], al
		mov	ecx, [ebp-10h]
		mov	[ebp-20h], ecx
		movsx	edx, byte ptr [ebp-14h]
		sar	edx, 1
		and	edx, 1
		mov	[ebp-14h], dl
		movsx	eax, byte ptr [ebp-14h]
		shl	eax, 6
		mov	[ebp-14h], al
		mov	ecx, [ebp-20h]
		mov	dl, [ecx]
		or	dl, [ebp-14h]
		mov	eax, [ebp-20h]
		mov	[eax], dl
		mov	ecx, [ebp-38h]
		mov	dl, [ecx+3]
		mov	[ebp-14h], dl
		mov	eax, [ebp-10h]
		add	eax, 3
		mov	[ebp-20h], eax
		movsx	ecx, byte ptr [ebp-14h]
		sar	ecx, 5
		and	ecx, 1
		mov	[ebp-14h], cl
		movsx	edx, byte ptr [ebp-14h]
		shl	edx, 5
		mov	[ebp-14h], dl
		mov	eax, [ebp-20h]
		mov	cl, [eax]
		or	cl, [ebp-14h]
		mov	edx, [ebp-20h]
		mov	[edx], cl
		mov	eax, [ebp-38h]
		mov	cl, [eax+3]
		mov	[ebp-14h], cl
		mov	edx, [ebp-10h]
		add	edx, 1
		mov	[ebp-20h], edx
		movsx	eax, byte ptr [ebp-14h]
		sar	eax, 1
		and	eax, 1
		mov	[ebp-14h], al
		movsx	ecx, byte ptr [ebp-14h]
		shl	ecx, 5
		mov	[ebp-14h], cl
		mov	edx, [ebp-20h]
		mov	al, [edx]
		or	al, [ebp-14h]
		mov	ecx, [ebp-20h]
		mov	[ecx], al
		mov	edx, [ebp-38h]
		mov	al, [edx]
		mov	[ebp-14h], al
		mov	ecx, [ebp-10h]
		add	ecx, 1
		mov	[ebp-20h], ecx
		movsx	edx, byte ptr [ebp-14h]
		sar	edx, 5
		and	edx, 1
		mov	[ebp-14h], dl
		movsx	eax, byte ptr [ebp-14h]
		shl	eax, 6
		mov	[ebp-14h], al
		mov	ecx, [ebp-20h]
		mov	dl, [ecx]
		or	dl, [ebp-14h]
		mov	eax, [ebp-20h]
		mov	[eax], dl

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刚才忘了传附件,补上。
2004-5-3 18:35
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雪    币: 279
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顶一下
2004-5-6 15:09
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