#include "io.h"

void outb(uint16_t port, uint8_t val) {
    asm volatile ("outb %0, %1" : : "a"(val), "Nd"(port));
}

uint8_t inb(uint16_t port) {
    uint8_t ret;
    asm volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port));
    return ret;
}

void io_wait(void)
{
   asm volatile ( "jmp 1f\n\t"
                  "1:jmp 2f\n\t"
                  "2:" );
}