#include <arch/serial.h>
#include <arch/ports.h>

static int transmit_empty(int device)
{
    return inportb(device + 5) & 0x20;
}

void serial_send_byte(int device, char out)
{
    unsigned int _count = 0;
    while (!transmit_empty(device)) {
        _count++;
    }

    outportb(device, out);

    while (!transmit_empty(device)) {
        _count++;
    }
}

void serial_putchar(int port, char ch)
{
    if (ch == '\n') {
        serial_send_byte(port, '\r');
    }

    serial_send_byte(port, ch);
}