Function Graph 0Basic Block 0Opcode: 53sub_80489b0:Opcode: 53push    ebxOpcode: 57push    ediOpcode: 56push    esiOpcode: 83 ec 10sub     esp, 0x10 {var_1c}Opcode: 8b 7c 24 20mov     edi, dword [esp+0x20 {arg_4}]Opcode: 31 f6xor     esi, esi  {0x0}Opcode: 83 7f 20 00cmp     dword [edi+0x20], 0x0Opcode: 74 36je      0x80489f8Basic Block 1Opcode: 89 f0mov     eax, esiOpcode: 83 c4 10add     esp, 0x10 {var_c}Opcode: 5epop     esiOpcode: 5fpop     ediOpcode: 5bpop     ebxOpcode: c3retn    Basic Block 2Opcode: 31 f6xor     esi, esi  {0x0}Opcode: 31 dbxor     ebx, ebx  {0x0}Opcode: 2e 66 0f 1f 04 00mmxnop  word cs:[eax+eax]Basic Block 3Opcode: 8b 00mov     eax, dword [eax]Opcode: 89 04 24mov     dword [esp {var_1c}], eaxOpcode: e8 a3 02 00 00call    sub_8048c90Opcode: 0f b6 c0movzx   eax, alOpcode: 01 c6add     esi, eaxOpcode: 43inc     ebxOpcode: 3b 5f 20cmp     ebx, dword [edi+0x20]Opcode: 72 d4jb      0x80489ccBasic Block 4Opcode: 0f 1f 00mmxnop  dword [eax]Basic Block 5Opcode: 8b 47 1cmov     eax, dword [edi+0x1c]Opcode: 85 dbtest    ebx, ebxOpcode: b9 00 00 00 00mov     ecx, 0x0Opcode: 74 0bje      0x80489e3Basic Block 6Opcode: 8b 40 04mov     eax, dword [eax+0x4]Opcode: 41inc     ecxOpcode: 39 d9cmp     ecx, ebxOpcode: 75 f8jne     0x80489db