#include "io.h" #include "serial.h" serial_port g_com1; serial_port::serial_port() : m_port(0) { } serial_port::serial_port(uint16_t port) : m_port(port) { } bool serial_port::read_ready() { return (inb(m_port + 5) & 0x01) != 0; } bool serial_port::write_ready() { return (inb(m_port + 5) & 0x20) != 0; } char serial_port::read() { while (!read_ready()); return inb(m_port); } void serial_port::write(char c) { while (!write_ready()); outb(m_port, c); }