If Pressed RA$1$ button, what will happen?

void main$01$

unsiened short current$\_$duty, ald$\_$duty, current$\_$duty$1,$ old$\_$duty$1$:

PORTA $=255$;

TRISA $=255$;

PORTB $=0$;

TRISB $=0$;

PORTC $=0$;

TRISC $=0$;

PWM$1\_$Ina$($SO$00)$:

PWM$2\_$init$(5000)$:

current$\_$duly $=16$;

current$\_$duty$1=16$;

PWM$1\_$stari$0$:

PWM$2\_$start$1)$:

PWM$1\_$Set$\_$Outy$($current$\_$duty$)$; $//$ Set current duty for PWM$1$

PWM$12\_$Set$\_$Outy$($current$\_$duty$1)$: $//$Set curtent duty for PWM$2$

while $(1))//$ endless loop

if $($RAO$\_$bit$))//$ button on Rropressed

Delay$\_$ms$(40)$:

current$\_$duty$+4$; $//$ increment current$\_$duty

PWM$1\_$Set$\_$Outy$($current$\_$duty$)$:

If $($RA$1\_$bit$)(//$ button on RA$1$ pressed

Delay$\_$ms $(40)$ :

current$\_$duty $\frac{,}{\frac{?}{?}}$ decrement current$\_$duty

PWM$1\_$Set$\_$Duty$($curient$\_$duty$)$:

I

$//$ configure PORTA pins as input

$//$ set PORTO $100$

$//$ devignate PORTB plins as output

$//$ set POATC $100$

$//$ devienate PORTC plins as output

I$/$ initialize PWMI module at $5KHz$

$//$ Initialize PWM$2$ module at $5$KHiz

$//$ Inlidal value for current$\_$duty

I$/$ initial value for curtent$\_$duty $1$

$//$ start PWM$1$

I$/$star PWMa

$//$ increment current$\_$duty

I$/$bution on RaI pressed

$//$decrement current$\_$duty