isr.c (16F877A-Showtime)

#include"main.h"
void interrupt ISR(void)
{
    if(TMR0IF)
    {
        count++;
        if(count>3)
            count=0;
        TMR0IF=0;
    }
}
void _ENABLE_INTERRUPTS(char name_interrupt)
{
    switch(name_interrupt)
    {
        case GLOBAL:
        {
            GIE=1;
            break;
        }
        case TIMER0:
        {
            TMR0IE=1;
            break;
        }
        case INT:
        {
            INTE=1;
            break;
        }
        case RBI:
        {
            RBIE=1;
            break;
        }
        case PEI:
        {
            PEIE=1;
            break;
        }
        case MSSP:
        {
            SSPIE=1;
            break;
        }
    }
}