163     pub fn service_irq(&mut self, irq: u8, level: bool) -> bool {  in service_irq()
164         assert!(irq <= 15, "Unexpectedly high value irq: {} vs 15", irq);  in service_irq()
166         let pic = if irq <= PRIMARY_PIC_MAX_IRQ {  in service_irq()
171         Pic::set_irq_internal(&mut self.pics[pic as usize], irq & 7, level);  in service_irq()
194         let irq_primary = if let Some(irq) = self.get_irq(PicSelect::Primary) {  in get_external_interrupt()
195             irq  in get_external_interrupt()
209             let irq_secondary = if let Some(irq) = self.get_irq(PicSelect::Secondary) {  in get_external_interrupt()
210                 self.interrupt_ack(PicSelect::Secondary, irq);  in get_external_interrupt()
211                 irq  in get_external_interrupt()
315         for irq in 0..8 {  in reset_pic()
316             if edge_irr & (1 << irq) != 0 {  in reset_pic()
317                 self.clear_isr(pic_type, irq);  in reset_pic()
324         if let Some(irq) = self.get_irq(pic_type) {  in poll_read()
329             self.pics[pic_type as usize].irr &= !(1 << irq);  in poll_read()
330             self.clear_isr(pic_type, irq);  in poll_read()
332                 pic_type == PicSelect::Secondary && irq != PRIMARY_PIC_CASCADE_PIN;  in poll_read()
333             (irq, update_irq_needed)  in poll_read()
360     fn clear_isr(&mut self, pic_type: PicSelect, irq: u8) {  in clear_isr()
363         assert!(irq <= 7, "Unexpectedly high value for irq: {} vs 7", irq);  in clear_isr()
364         pic.isr &= !(1 << irq);  in clear_isr()
365         Pic::set_irq_internal(pic, irq, false);  in clear_isr()
366         let irq = if pic_type == PicSelect::Primary {  in clear_isr()  localVariable
367             irq  in clear_isr()
369             irq + 8  in clear_isr()
371         if let Some(resample_events) = self.resample_events.get(irq as usize) {  in clear_isr()
404     fn set_irq_internal(pic: &mut PicState, irq: u8, level: bool) {  in set_irq_internal()
405         assert!(irq <= 7, "Unexpectedly high value for irq: {} vs 7", irq);  in set_irq_internal()
406         let irq_bitmap = 1 << irq;  in set_irq_internal()
450     fn interrupt_ack(&mut self, pic_type: PicSelect, irq: u8) {  in interrupt_ack()
453         assert!(irq <= 7, "Unexpectedly high value for irq: {} vs 7", irq);  in interrupt_ack()
455         let irq_bitmap = 1 << irq;  in interrupt_ack()
464                 pic.priority_add = (irq + 1) & 7;  in interrupt_ack()
466             self.clear_isr(pic_type, irq);  in interrupt_ack()
483         let mut irq = value & OCW2_IRQ_MASK;  in operation_command_word_2()  localVariable
493                         irq = (priority + self.pics[pic_type as usize].priority_add) & 7;  in operation_command_word_2()
495                             self.pics[pic_type as usize].priority_add = (irq + 1) & 7;  in operation_command_word_2()
497                         self.clear_isr(pic_type, irq);  in operation_command_word_2()
502                     self.clear_isr(pic_type, irq);  in operation_command_word_2()
506                     self.pics[pic_type as usize].priority_add = (irq + 1) & 7;  in operation_command_word_2()
510                     self.pics[pic_type as usize].priority_add = (irq + 1) & 7;  in operation_command_word_2()
511                     self.clear_isr(pic_type, irq);  in operation_command_word_2()