FAULT_DF1        9579 src/dps8/dps8_ins.c 
FAULT_DF1        9626 src/dps8/dps8_ins.c         fi_addr == FAULT_DF1 ||
FAULT_DF1        4147 src/dps8/dps8_sys.c     SYMTAB_ENUM32 (FAULT_DF1),