public int handler() {
            if (cpu_getiloops() == 0) {
                if (simpsons_firq_enabled != 0 && K053247_is_IRQ_enabled() != 0) {
                    return KONAMI_INT_FIRQ;
                }
            } else {
                if (K052109_is_IRQ_enabled() != 0) {
                    return KONAMI_INT_IRQ;
                }
            }

            return ignore_interrupt.handler();
        }