新手求助一段汇编代码的功能。最好能把PUSH和POP之间的每句都解释一下,不甚感激
PUSH EBP
SUB ESP,8
PUSH EBX
PUSH ESI
PUSH EDI
MOV EAX,DWORD PTR [EBP+8]
MOV EAX,DWORD PTR [EAX*4+4D9A4C]
MOV DWORD PTR [EBP-4],EAX
MOV EAX,DWORD PTR [EBP-4]
MOV EAX,DWORD PTR [EAX]
AND EAX,FF
MOV DWORD PTR [EBP-8],EAX
MOV EAX,DWORD PTR [EBP-4]
ADD EAX,8
MOV ECX,DWORD PTR [EBP+C]
MOV DWORD PTR [ECX],EAX
MOV EAX,DWORD PTR [EBP-8]
POP EDI
POP ESI
POP EBX
LEAVE
RETN
求助这段代码到底是什么功能。。