mask_field       1135 src/dps8/dps8_scu.c         up -> mask_field [i]      = sw -> mask_enable [i] ?
mask_field       1816 src/dps8/dps8_scu.c                 up -> mask_field [maskab] = mask;
mask_field       2129 src/dps8/dps8_scu.c                 maskab [i] = (word9) (up -> mask_field [i] & 0777);
mask_field         45 src/dps8/dps8_scu.h     uint mask_field [N_ASSIGNMENTS];