text: 
  #include <stddef.h>
  #include <stdint.h>
  #include <io.h>
  
  void outb(uint16_t port, uint8_t value)
  {
      asm volatile ("outb %1, %0" : : "dN" (port), "a" (value));
  }
  
  void outw(uint32_t port, uint32_t value)
  {
      //asm volatile ("outw %1, %0" : : "dN" (port), "a" (value));
      asm volatile ("outw %%ax, %%dx" :: "d" (port), "a" (value));
  }
  
  uint8_t inb(uint16_t port)
  {
     uint8_t ret;
     asm volatile("inb %1, %0" : "=a" (ret) : "dN" (port));
     return ret;
  }
  
  uint16_t inw(uint16_t port)
  {
     uint16_t ret;
     asm volatile ("inw %1, %0" : "=a" (ret) : "dN" (port));
     return ret;
  } 
  