PG18MASK           74 src/dps8/ucache.c   if (ep->paged && ((ep->offset & PG18MASK) != (offset & PG18MASK))) {
PG18MASK           76 src/dps8/ucache.c     hdbgNote ("ucache", "pgno %o != %o\r\n", (ep->offset & PG18MASK), (offset & PG18MASK));