hevtReg           273 src/dps8/hdbg.c   hev (hevtReg, RD, FILTER);
hevtReg           281 src/dps8/hdbg.c   hev (hevtReg, WR, FILTER);
hevtReg           636 src/dps8/hdbg.c       case hevtReg: