cptUseIR         1945 src/dps8/dps8_cpu.h #define cptUseIR   16
cptUseIR         3251 src/dps8/dps8_ins.c             CPTUR (cptUseIR);
cptUseIR         3547 src/dps8/dps8_ins.c           CPTUR (cptUseIR);
cptUseIR         6583 src/dps8/dps8_ins.c             CPTUR (cptUseIR);