Работа с LPT портом с использованием библиотеки inpout32.dll

// ConsoleApplication3.cpp : Defines the entry point for the console application.
//
 
#include "stdafx.h"
#include "iostream"
#include "conio.h"
#include "stdlib.h"
#include "h.h"
 
using namespace std;
 
void WriteToDataRegister()
{   
  cout<<"Write data to DATA register.\n"<<endl;
  int b=0;  
  cout<<"Enter data: "<<endl;
  cin>>b;
  if (b<0||b>255) 
  cout<<"Error! You can take data only from diaposon 0-255."<<endl;
  else
  {
      Out32(888, b);
      cout<<"Write done.\n"<<endl;
  }
  cout<<"Press any key to back to Main menu..."<<endl;
  _getch();
  system("cls");
}
 
void ReadDataRegister()
{   
  cout<<"Read data from DATA register.\n"<<endl;    
 
  int data;
  data = Inp32(888);
  cout<<"10: "<<data<<endl;
 
  char number[20];
  _itoa_s(data,number,2);
  cout<<" 2: "<<number<<endl;
 
  cout<<"\nPress any key to back to Main menu..."<<endl;
  _getch();
  system("cls");
}
 
void Menu()
{
  cout<<"Select operation:"<<endl;
  cout<<"1 - write data to DATA register."<<endl;
  cout<<"2 - read data from DATA register"<<endl;
  cout<<"0 - exit"<<endl;
}
 
void main()
{
    Menu();
 
     while(1){
  switch(_getch())
  {
    case '1': system("cls");
          WriteToDataRegister();
          Menu();
          break;
        
    case '2': system("cls");
          ReadDataRegister();
          Menu();
          break;
          
    case '0': exit(0);
          break;
      }
  }
 
 }