FAULT_F2          596 src/dps8/dps8_addrmods.c                     doFault (FAULT_F2, fst_zero, "RI_MOD: IT_F2 (0)");
FAULT_F2          697 src/dps8/dps8_addrmods.c                           doFault (FAULT_F2, fst_zero, "TM_IT: IT_F2 (1)");
FAULT_F2          816 src/dps8/dps8_addrmods.c                 doFault(FAULT_F2, fst_zero, "IT_MOD: IT_F2 (2)");
FAULT_F2         9607 src/dps8/dps8_ins.c 
FAULT_F2         9654 src/dps8/dps8_ins.c         fi_addr == FAULT_F2  ||
FAULT_F2         4189 src/dps8/dps8_sys.c     SYMTAB_ENUM32 (FAULT_F2),