跟踪到这里, 哪位帮我看看这段是什么意思?
10001F51 /$ 55 push ebp
10001F52 |. 8BEC mov ebp, esp
10001F54 |. 83EC 10 sub esp, 10
10001F57 |. 53 push ebx
10001F58 |. 56 push esi
10001F59 |. 57 push edi
10001F5A |. C745 F8 00000000 mov dword ptr [ebp-8], 0
10001F61 |. C745 F4 00000000 mov dword ptr [ebp-C], 0
10001F68 |. E9 03000000 jmp 10001F70
10001F6D |> FF45 F4 /inc dword ptr [ebp-C]
10001F70 |> 8B45 0C mov eax, [ebp+C]
10001F73 |. 3945 F4 |cmp [ebp-C], eax
10001F76 |. 0F8D 8F000000 |jge 1000200B
10001F7C |. 8B45 08 |mov eax, [ebp+8]
10001F7F |. 8A00 |mov al, [eax]
10001F81 |. 8845 FC |mov [ebp-4], al
10001F84 |. FF45 08 |inc dword ptr [ebp+8]
10001F87 |. C745 F0 00000000 |mov dword ptr [ebp-10], 0
10001F8E |. 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001F92 |. 83F8 30 |cmp eax, 30
10001F95 |. 0F8C 17000000 |jl 10001FB2
10001F9B |. 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001F9F |. 83F8 39 |cmp eax, 39
10001FA2 |. 0F8F 0A000000 |jg 10001FB2
10001FA8 |. 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001FAC |. 83E8 30 |sub eax, 30
10001FAF |. 8945 F0 |mov [ebp-10], eax
10001FB2 |> 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001FB6 |. 83F8 41 |cmp eax, 41
10001FB9 |. 0F8C 17000000 |jl 10001FD6
10001FBF |. 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001FC3 |. 83F8 46 |cmp eax, 46
10001FC6 |. 0F8F 0A000000 |jg 10001FD6
10001FCC |. 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001FD0 |. 83E8 37 |sub eax, 37
10001FD3 |. 8945 F0 |mov [ebp-10], eax
10001FD6 |> 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001FDA |. 83F8 61 |cmp eax, 61
10001FDD |. 0F8C 17000000 |jl 10001FFA
10001FE3 |. 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001FE7 |. 83F8 66 |cmp eax, 66
10001FEA |. 0F8F 0A000000 |jg 10001FFA
10001FF0 |. 0FBE45 FC |movsx eax, byte ptr [ebp-4]
10001FF4 |. 83E8 57 |sub eax, 57
10001FF7 |. 8945 F0 |mov [ebp-10], eax
10001FFA |> 8B45 F8 |mov eax, [ebp-8]
10001FFD |. C1E0 04 |shl eax, 4
10002000 |. 0345 F0 |add eax, [ebp-10]
10002003 |. 8945 F8 |mov [ebp-8], eax
10002006 |.^ E9 62FFFFFF \jmp 10001F6D
1000200B |> 8B45 F8 mov eax, [ebp-8]
1000200E |. E9 00000000 jmp 10002013
10002013 |> 5F pop edi
10002014 |. 5E pop esi
10002015 |. 5B pop ebx
10002016 |. C9 leave
10002017 \. C3 retn
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