D2_RES           1462 src/dps8/dps8_cpu.h #define D2_RES Dk_RES [1]
D2_RES            803 src/dps8/dps8_ins.c     putbits36_24 (& words[5], 12, cpu.du.D2_RES);
D2_RES            854 src/dps8/dps8_ins.c     cpu.du.D2_RES   = getbits36_24 (words[5], 12);