请高手翻译一下段程序
请高手翻译一下段程序。我是菜鸟呀什么都看不懂REPNE SCAS BYTE PTR ES:[EDI]
::00611AE5:: AE SCAS BYTE PTR ES:[EDI]
::00611AE6:: F7D1 NOT ECX
::00611AE8:: 2BF9 SUB EDI,ECX
::00611AEA:: 8BC1 MOV EAX,ECX
::00611AEC:: 8BF7 MOV ESI,EDI
::00611AEE:: 8BFA MOV EDI,EDX
::00611AF0:: C1E9 02 SHR ECX,2
::00611AF3:: F3 REP MOVS DWORD PTR ES:[EDI],DWORD PTR [ESI]
::00611AF4:: A5 MOVS DWORD PTR ES:[EDI],DWORD PTR [ESI]
::00611AF5:: 8BC8 MOV ECX,EAX
::00611AF7:: 83E1 03 AND ECX,3
::00611AFA:: F3 REP MOVS DWORD PTR ES:[EDI],DWORD PTR [ESI]
::00611AFB:: A4 MOVS BYTE PTR ES:[EDI],BYTE PTR [ESI]
