// PIC18F14K50 in C - Versione 0.1 - Aprile 2010
// Copyright (c) 2010, VincenzoV.net
// Creative Commons | Attribuzione-Condividi allo stesso modo 3.0 Unported.
// Creative Commons | Attribution-Share Alike 3.0 Unported
// https://www.vincenzov.net/tutorial/elettronica-di-base/PIC18F14K50

#include <p18f14k50.h>
#include <delays.h>

#pragma config FOSC = IRCCLKOUT   // Internal RC oscillator (F/4 to OSC2) 
// #pragma config FOSC = IRC      // Internal RC oscillator 
#pragma config WDTEN = OFF        // Watchdog disabled
#pragma config LVP = OFF          // Disable Low Voltage Programming
#pragma config MCLRE = OFF        // Disable MCLR

void main (void)
{ TRISC = 0x00;	       // Set PORTC as Output
  
  // OSCCON = 0x70;     // Select 16 MHz internal clock (default 1MHz)
 
 //TRISA = 0xFF;        // Set PORTA as input (RA3 is always input if MCLR disabled)
 
 for(;;)
 { 
    while (!PORTAbits.RA3);    // Loop if pin 3 of PORTA is 1 (SW1 not pressed)
      
    PORTC = 0x01;      // xxxx 0001 - Turn On Port RC0
    Delay1KTCYx(100);  // Delay 100.000 Timer cycle (400 ms @ 1MHz)
    
    PORTC = 0x02;      // xxxx 0010 - Turn On Port RC1
    Delay1KTCYx(100);  // Delay 100.000 Timer cycle
       
    PORTC = 0x04;      // xxxx 0100 - Turn On Port RC2
    Delay1KTCYx(100);  // Delay 100.000 Timer cycle
       
    PORTC = 0x08;      // xxxx 1000  - Turn On Port RC3
    Delay1KTCYx(100);  // Delay 100.000 Timer cycle
       
    PORTC = 0x04;      // xxxx 0100 - Turn On Port RC2 
    Delay1KTCYx(100);  // Delay 100.000 Timer cycle
    
    PORTC = 0x02;      // xxxx  0010 - Turn On Port RC1
    Delay1KTCYx(100);  // Delay 100.000 Timer cycle 
  }
}