int __fastcall PciRegWrite(int a1, int a2, int a3) { *(_DWORD *)(a1 + 61440) = 1; *(_DWORD *)(a1 + 61444) = a2 & 0xFFFF0000; *(_DWORD *)((unsigned __int16)a2 + a1 + 0x10000) = a3; return a3; }