int __thiscall VgaModeProgramSeq(int *this)
{
  int v1; // edi
  unsigned int i; // esi
  int v3; // ecx
  int v4; // ecx

  v1 = *(this + 15);
  PciRegWrite(v1, 510525536, 5);
  while ( 1 )
  {
    for ( i = 0; i < 0x4C4B40; ++i )
    {
      if ( (PciRegRead(v1, 510525536) & 1) == 0 )
        break;
    }
    if ( i != 5000000 && (PciRegRead(v3, 510526208) & 0xA0000) == 0 )
      break;
    PciRegWrite(v1, 510525536, 0);
    MicroSecondDelay(10);
    PciRegWrite(v1, 510525536, 5);
  }
  return PciRegWrite(v4, 510525536, 6);
}