fetch_IDSPTW     2020 src/dps8/dps8_iom.c           fetch_IDSPTW (iom_unit_idx, (int) chan, daddr);
fetch_IDSPTW     2047 src/dps8/dps8_iom.c           fetch_IDSPTW (iom_unit_idx, (int) chan, daddr);