lastPTWIsDS       258 src/dps8/dps8_append.c     PNL (cpu.lastPTWIsDS = true;)
lastPTWIsDS       778 src/dps8/dps8_append.c     PNL (cpu.lastPTWIsDS = false;)
lastPTWIsDS      1815 src/dps8/dps8_cpu.h     bool lastPTWIsDS;