NO_SUCH_RINGNO     31 src/dps8/dps8_simh.h       ((dptr != & cpu_dev) || sim_deb_ringno == NO_SUCH_RINGNO || sim_deb_ringno == cpu . PPR. PRR) && \
NO_SUCH_RINGNO   1920 src/dps8/dps8_sys.c uint64 sim_deb_ringno     = NO_SUCH_RINGNO;