mask_num         1897 src/dps8/dps8_scu.c             int mask_num = -1;
mask_num         1908 src/dps8/dps8_scu.c                       mask_num = p;
mask_num         1935 src/dps8/dps8_scu.c             scu [scu_unit_idx].exec_intr_mask [mask_num] = 0;
mask_num         1936 src/dps8/dps8_scu.c             scu [scu_unit_idx].exec_intr_mask [mask_num] |=
mask_num         1938 src/dps8/dps8_scu.c             scu [scu_unit_idx].exec_intr_mask [mask_num] |=
mask_num         1943 src/dps8/dps8_scu.c 
mask_num         1944 src/dps8/dps8_scu.c 
mask_num         1952 src/dps8/dps8_scu.c                        scu_unit_idx, port_num, mask_num,
mask_num         1953 src/dps8/dps8_scu.c                        scu [scu_unit_idx].exec_intr_mask [mask_num]);
mask_num         1955 src/dps8/dps8_scu.c             scu [scu_unit_idx].mask_enable [mask_num] = 1;
mask_num         1959 src/dps8/dps8_scu.c                        scu_unit_idx, 'a' + mask_num,
mask_num         1960 src/dps8/dps8_scu.c                        scu[scu_unit_idx].exec_intr_mask[mask_num]);