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				#include "stdafx.h"
				#include "conio.h"
				#include "windows.h"
				#include 
				#include "myport.h"
				
				
				HANDLE PortTalk_Handle = NULL;        /* Handle for PortTalk Driver */
				unsigned char OpenPortTalk()
				{
					PortTalk_Handle = CreateFile("\\\\.\\MPNP1", 
						GENERIC_READ | GENERIC_WRITE, 
						0, 
						NULL,
						OPEN_EXISTING, 
						FILE_ATTRIBUTE_NORMAL, 
						NULL);
					if(PortTalk_Handle == INVALID_HANDLE_VALUE)
					{
						return -1;
					}
					return 0;
				}
				
				void ClosePortTalk()
				{
					CloseHandle(PortTalk_Handle);
				}
				
				void outportb(unsigned short PortAddress, unsigned char byte)
				{
				
					DWORD       dwError = 0;
					
				    unsigned int error;
				    DWORD BytesReturned;        
				    unsigned char Buffer[2];
				    unsigned char * pBuffer;
				    pBuffer = (unsigned char *)&Buffer[0];
					*pBuffer = (unsigned char)PortAddress&0x0f;
					//	*pBuffer = (unsigned char)PortAddress;
				    Buffer[2] = byte;
					
				    error = DeviceIoControl(PortTalk_Handle,
						IOCTL_WRITE_PORT_UCHAR,
						&Buffer,
						3,
						NULL,
						0,
						&BytesReturned,
						NULL);
					
				    //if (!error) printf("Error occured during outportb while talking to PortTalk driver %d\n",GetLastError());
				}
				
				
				unsigned char inportb(unsigned short PortAddress)
				{
				    unsigned int error;
				    DWORD BytesReturned;
				    unsigned char Buffer[3];
				    unsigned short * pBuffer;
				    pBuffer = (unsigned short *)&Buffer[0];
				    *pBuffer = (unsigned char)PortAddress&0x0f;
					//*pBuffer = (unsigned char)PortAddress; 
					
					error = DeviceIoControl(PortTalk_Handle,
						IOCTL_READ_PORT_UCHAR,
						&Buffer,
						2,
						&Buffer,
						1,
						&BytesReturned,
						NULL);
					
				    //if (!error) printf("Error occured during inportb while talking to PortTalk driver %d\n",GetLastError());
				    return(Buffer[0]);
					
				}