U0 PCNetTest()
{
  U8 *packet_buffer;
  I64 de_index;
  while (TRUE)
  {
    de_index = PCNetTransmitPacketAllocate(&packet_buffer, 8);
    *(packet_buffer(U64 *)) = EndianU64(0xDEADBEEFC0DEFADE);
    PCNetTransmitPacketFinish(de_index);
    Sleep(300);
  }
}

PCNetTest;