38     isr: u8,          // Interrupt Service Register.  field
251             self.pics[pic_type as usize].isr  in pic_read_command()
347                 self.pics[PicSelect::Primary as usize].isr &= !PRIMARY_PIC_CASCADE_PIN_MASK;  in poll_read()
372         irq_bitmap = pic.isr;  in get_irq()
387         pic.isr &= !(1 << irq);  in clear_isr()
466         pic.isr |= irq_bitmap;  in interrupt_ack()
500                         self.pics[pic_type as usize].isr,  in operation_command_word_2()
664         assert_eq!(primary_pic.isr, 0x00);  in initial_values()
749         assert_eq!(data.pic.pics[PicSelect::Secondary as usize].isr, 0);  in auto_eoi()
751         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in auto_eoi()
758         assert_eq!(data.pic.pics[PicSelect::Secondary as usize].isr, 0);  in auto_eoi()
760         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in auto_eoi()
785             data.pic.pics[PicSelect::Secondary as usize].isr,  in fully_nested_mode_on()
789         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 1 << 2);  in fully_nested_mode_on()
811         assert_eq!(data.pic.pics[PicSelect::Secondary as usize].isr, 1 << 4);  in fully_nested_mode_off()
813         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 1 << 2);  in fully_nested_mode_off()
826         assert_eq!(data.pic.pics[PicSelect::Secondary as usize].isr, 1 << 0);  in fully_nested_mode_off()
828         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 1 << 2);  in fully_nested_mode_off()
845         assert_eq!(data.pic.pics[PicSelect::Secondary as usize].isr, 0);  in mask_irq()
847         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in mask_irq()
857         assert_eq!(data.pic.pics[PicSelect::Secondary as usize].isr, 1 << 6);  in mask_irq()
859         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 1 << 2);  in mask_irq()
1002         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 1 << 4);  in specific_eoi()
1006         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in specific_eoi()
1024         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in rotate_on_auto_eoi()
1038         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in rotate_on_auto_eoi()
1057         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 1 << 5);  in rotate_on_specific_eoi()
1062         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in rotate_on_specific_eoi()
1081         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in rotate_non_specific_eoi()
1121         assert_eq!(data.pic.pics[PicSelect::Secondary as usize].isr, 1 << 4);  in cascade_irq()
1132         assert_eq!(data.pic.pics[PicSelect::Primary as usize].isr, 0);  in cascade_irq()
1133         assert_eq!(data.pic.pics[PicSelect::Secondary as usize].isr, 0);  in cascade_irq()