Manejo de puerto paralelo en C

paralelo.cpp

#include <stdio.h>
#include <conio.h>

int i,j,k;
int y[]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};
int z[]={0x01,0x80,0x02,0x40,0x04,0x20,0x08,0x10,0x10,0x08,0x20,0x04,0x40,0x02,0x80,0x01};

void simul();
void normal();

void simul(){
	for (k=0;k<=14;k++){
		for (i=0;i<=60;i++){		
			outportb(0x3BC,z[k]);
			delay(500);
		}
	}
	for (k=0;k<=14;k++){
		for (i=0;i<=60;i++){		
			outportb(0x3BC,z[k]);
			delay(1000);
		}
	}
	for (k=0;k<=14;k++){
		for (i=0;i<=60;i++){		
			outportb(0x3BC,z[k]);
			delay(3000);
		}
	}
}

void normal(){
	for (j=0;j<=7;j++){
		for (i=0;i<=50;i++){		
			outportb(0x3BC,y[j]);
			delay(1500);
		}
	}
	for (k=7;k>=0;k--){
		for (i=0;i<=50;i++){		
			outportb(0x3BC,y[k]);
			delay(1500);
		}
	}
}

int main(void){
	normal();
	simul();	
		
}