ACV0             1019 src/dps8/dps8_append.c         case ACV0:  return "Illegal ring order (ACV0=IRO)";
ACV0             1314 src/dps8/dps8_append.c         cpu.acvFaults |= ACV0;
ACV0              566 src/dps8/dps8_faults.c         if (subFault.fault_acv_subtype & ACV0)