Crr              6564 src/dps8/dps8_ins.c               word3 Crr = (GETLO (cpu.Ypair[0]) >> 15) & 07;
Crr              6566 src/dps8/dps8_ins.c                 cpu.PR[n].RNR = max3 (Crr, cpu.SDW->R1, cpu.TPR.TRR);
Crr              6568 src/dps8/dps8_ins.c                 cpu.PR[n].RNR = Crr;