175     pub fn service_irq(&mut self, irq: u8, level: bool) -> bool {  in service_irq()
176         assert!(irq <= 15, "Unexpectedly high value irq: {} vs 15", irq);  in service_irq()
178         let pic = if irq <= PRIMARY_PIC_MAX_IRQ {  in service_irq()
183         Pic::set_irq_internal(&mut self.pics[pic as usize], irq & 7, level);  in service_irq()
218             let irq_secondary = if let Some(irq) = self.get_irq(PicSelect::Secondary) {  in get_external_interrupt()
219                 self.interrupt_ack(PicSelect::Secondary, irq);  in get_external_interrupt()
220                 irq  in get_external_interrupt()
324         for irq in 0..8 {  in reset_pic()
325             if edge_irr & (1 << irq) != 0 {  in reset_pic()
326                 self.clear_isr(pic_type, irq);  in reset_pic()
333         if let Some(irq) = self.get_irq(pic_type) {  in poll_read()
338             self.pics[pic_type as usize].irr &= !(1 << irq);  in poll_read()
339             self.clear_isr(pic_type, irq);  in poll_read()
341                 pic_type == PicSelect::Secondary && irq != PRIMARY_PIC_CASCADE_PIN;  in poll_read()
342             (irq, update_irq_needed)  in poll_read()
369     fn clear_isr(&mut self, pic_type: PicSelect, irq: u8) {  in clear_isr()
372         assert!(irq <= 7, "Unexpectedly high value for irq: {} vs 7", irq);  in clear_isr()
373         pic.isr &= !(1 << irq);  in clear_isr()
374         Pic::set_irq_internal(pic, irq, false);  in clear_isr()
375         let irq = if pic_type == PicSelect::Primary {  in clear_isr()  localVariable
376             irq  in clear_isr()
378             irq + 8  in clear_isr()
380         if let Some(resample_events) = self.resample_events.get(irq as usize) {  in clear_isr()
413     fn set_irq_internal(pic: &mut PicState, irq: u8, level: bool) {  in set_irq_internal()
414         assert!(irq <= 7, "Unexpectedly high value for irq: {} vs 7", irq);  in set_irq_internal()
415         let irq_bitmap = 1 << irq;  in set_irq_internal()
459     fn interrupt_ack(&mut self, pic_type: PicSelect, irq: u8) {  in interrupt_ack()
462         assert!(irq <= 7, "Unexpectedly high value for irq: {} vs 7", irq);  in interrupt_ack()
464         let irq_bitmap = 1 << irq;  in interrupt_ack()
473                 pic.priority_add = (irq + 1) & 7;  in interrupt_ack()
475             self.clear_isr(pic_type, irq);  in interrupt_ack()
492         let mut irq = value & OCW2_IRQ_MASK;  in operation_command_word_2()  localVariable
502                         irq = (priority + self.pics[pic_type as usize].priority_add) & 7;  in operation_command_word_2()
504                             self.pics[pic_type as usize].priority_add = (irq + 1) & 7;  in operation_command_word_2()
506                         self.clear_isr(pic_type, irq);  in operation_command_word_2()
511                     self.clear_isr(pic_type, irq);  in operation_command_word_2()
515                     self.pics[pic_type as usize].priority_add = (irq + 1) & 7;  in operation_command_word_2()
519                     self.pics[pic_type as usize].priority_add = (irq + 1) & 7;  in operation_command_word_2()
520                     self.clear_isr(pic_type, irq);  in operation_command_word_2()