#pragma interrupt isr
#pragma code isr = 0x08

void isr(void)
{
int button1count = 0;
int button1bouncecount = 0;

while (button1count < 5 && button1bouncecount < 5)
    {
    if (PORTAbits.RA4 ==1)
        {
        button1count = 0;
        button1bouncecount++;
        }
    else
        {
        button1count++;
        button1bouncecount = 0;
        }
    Delay10TCYx(25);
    }

if (button1count >= 5)
    {
    detectButtonPress = 1; //Button 1 is pressed
    }
else
    {
    detectButtonPress = 0; //Button 0 pressed - no button press
    }
}