Function Graph 0Basic Block 0Opcode: 0f b6 44 24 04sub_80491b0:Opcode: 0f b6 44 24 04movzx   eax, byte [esp+0x4]Opcode: 0f b6 80 54 bb 04 08movzx   eax, byte [eax+0x804bb54]Opcode: 83 e0 04and     eax, 0x4Opcode: c3retn