P7B_SOR           559 src/simh/sim_tape.c             if ((sbc != 0) && (c & P7B_SOR))            /* next record? */
P7B_SOR           748 src/simh/sim_tape.c             if (c & P7B_SOR)                            /* start of record? */
P7B_SOR           942 src/simh/sim_tape.c         buf[0] = buf[0] | P7B_SOR;                      /* mark start of rec */