Proteus PRAC5

#include <xc.h>

//Codi 1
void main(void) {
    //Config

    //Set as digital port
    ANSELA = 0x00;
    ANSELB = 0x00;

    //Set RA0 as output
    //TRISA = 0x00;
    TRISAbits.RA0 = 0;

    //Set RB0 as input
    TRISBbits.RA0 = 1;

    while (1) {
        PORTAbits.RA0 = PORTBbits.RB0;
    }
}


//Codi 2
int apretat = 0;

void main2(void) {
    //Config

    //Set as digital port
    ANSELA = 0x00;
    ANSELB = 0x00;

    //Set RA0 as output
    //TRISA = 0x00;
    TRISAbits.RA0 = 0;

    //Set RB0 as input
    TRISBbits.RA0 = 1;

    while (1) {
        if (!PORTBbits.RB0) {
            if (apretat) {
                apretat = 0;
                PORTAbits.RA0 = !PORTAbits.RA0;
            }
        }
        else {
            apretat = 1;
        }
    }
}