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#include "stdafx.h"
#include <iostream.h>
#include <stdlib.h>
char lire(unsigned short adr);
void ecrire(unsigned short adr,char out_char);
char lire(unsigned short adr)
{
//#pragma inline
unsigned char ret_char;
__asm
{
mov dx,adr
in al,dx
mov ret_char,al
}
return(ret_char);
}
void ecrire(unsigned short adr,char out_char)
{
__asm
{
mov al,out_char
mov dx,adr
out dx,al
}
}
int main(int argc, char* argv[])
{
cout << "\n Fin d'ecriture, Lisons\n";
system("pause");
//ecrit sur le port parallele la valeur 10
ecrire(0X0378,'a');
//lit le port parallele
cout<<lire(0X0378);
return 0;
} |
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