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[旧帖]
谁帮我分析一下下面的代码
0.00雪花
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发表于:
2007-2-25 22:11
3342
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00402A9F |> \8D740E FC LEA ESI,DWORD PTR DS:[ESI+ECX-4]
00402AA3 |. 8D7C0F FC LEA EDI,DWORD PTR DS:[EDI+ECX-4]
00402AA7 |. C1F9 02 SAR ECX,2
00402AAA |. 78 11 JS SHORT _UnPacke.00402ABD
00402AAC |. FD STD
00402AAD |. F3:A5 REP MOVS DWORD PTR ES:[EDI],DWORD PTR DS:[ESI]
00402AAF |. 89C1 MOV ECX,EAX
00402AB1 |. 83E1 03 AND ECX,3
00402AB4 |. 83C6 03 ADD ESI,3
00402AB7 |. 83C7 03 ADD EDI,3
00402ABA |. F3:A4 REP MOVS BYTE PTR ES:[EDI],BYTE PTR DS:[ESI]
00402ABC |. FC CLD
00402ABD |> 5F POP EDI
00402ABE |. 5E POP ESI
00402ABF \. C3 RETN
特别是这句: REP MOVS BYTE PTR ES:[EDI],BYTE PTR DS:[ESI]
怎么也看不懂
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