LEVEL1           1392 src/dps8/dps8_cpu.h     word10 LEVEL1;    //  0- 9 10   LEVEL 1 Difference in the count of
LEVEL1            732 src/dps8/dps8_ins.c     putbits36_10 (& words[3],  0, cpu.du.LEVEL1);
LEVEL1            784 src/dps8/dps8_ins.c     cpu.du.LEVEL1   = getbits36_10 (words[3],  0);