TR0              2041 src/dps8/dps8_cpu.c       cpu.shadowTR = (word27) cpu.TR0 - (1024u << (is_priv_mode () ? 4 : cpu.CMR.luf));
TR0              2580 src/dps8/dps8_cpu.c 
TR0              1631 src/dps8/dps8_cpu.h     uint TR0; // The value that the TR was set to.
TR0              7206 src/dps8/dps8_ins.c               cpu.shadowTR = cpu.TR0 = cpu.rTR;