XmExecuteInt1a

CHAR __fastcall XmExecuteInt1a(INT64 a1){
  unsigned int v1; 
  unsigned int v2; 
  unsigned int v3; 
  unsigned int v4; 
  bool v5; 
  char v6; 
  if( XmPciBiosPresent && *(_BYTE *)(a1 + 25) == 0xB1 )
  {
    v1 = *(unsigned __int8 *)(a1 + 24);
    if( v1 > 0xA )
    {
      if( v1 <= 0xD )
      {
        XmInt1aWriteConfigRegister(a1);
        return 1;
      }
      if( v1 == 14 )
        goto LABEL_10;
      v5 = v1 == 15;
    }
    else
    {
      if( v1 >= 8 )
      {
        XmInt1aReadConfigRegister(a1);
        return 1;
      }
      v2 = v1 - 1;
      if( !v2 )
      {
        v6 = XmNumberPciBusses;
        *(_DWORD *)(a1 + 16) &= ~1u;
        *(_BYTE *)(a1 + 28) = v6;
        *(_DWORD *)(a1 + 32) = 541672272;
        *(_WORD *)(a1 + 24) = 0;
        *(_WORD *)(a1 + 36) = 528;
        return 1;
      }
      v3 = v2 - 1;
      if( !v3 )
      {
        XmInt1aFindPciDevice(a1);
        return 1;
      }
      v4 = v3 - 1;
      if( !v4 )
      {
        XmInt1aFindPciClassCode(a1);
        return 1;
      }
      v5 = v4 == 3;
    }
    if( v5 )
    {
LABEL_10:
      *(_DWORD *)(a1 + 16) |= 1u;
      *(_BYTE *)(a1 + 25) = -127;
      return 1;
    }
  }
  return 0;
}

Referenced by: