IOM_CMD_PENDING  1475 src/dps8/dps8_console.c         rc = IOM_CMD_PENDING; // command in progress; do not send terminate interrupt
IOM_CMD_PENDING  3224 src/dps8/dps8_iom.c     if (rc2 == IOM_CMD_PENDING) // handler still processing command, don't set
IOM_CMD_PENDING   499 src/dps8/dps8_mgp.c       rc = IOM_CMD_PENDING;
IOM_CMD_PENDING   530 src/dps8/dps8_mgp.c