du2_FRND         1200 src/dps8/dps8_cpu.h #define DU_CYCLE_FRND      setmask (& cpu.du.cycle2, du2_FRND)
du2_FRND         1050 src/dps8/panelScraper.c     SETL1 (bank_n, 39, cpu.du.cycle2 & du2_FRND);