#ifndef PORT_H
#define PORT_H
#endif

static inline int port_in(int port) {
    unsigned char value;

    __asm__ volatile("inb %1,%0" : "=a" (value) : "d" ((unsigned short) port));
 
    return value;
}


static inline void port_out(unsigned short int port, unsigned char val) {
    __asm__ volatile("outb %0,%1\n" : : "a" (val), "d" (port));
}