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;