ORB_ISP           923 src/dps8/dps8_cpu.h     word1 ORB_ISP; //  3    ORB       AVF Out of read bracket
ORB_ISP           504 src/dps8/dps8_faults.c     cpu . cu . ORB_ISP          = 0;
ORB_ISP           573 src/dps8/dps8_faults.c           cpu . cu . ORB_ISP   = 1;
ORB_ISP           615 src/dps8/dps8_faults.c           cpu . cu . ORB_ISP   = 1;
ORB_ISP           762 src/dps8/dps8_faults.c     cpu.cu.ORB_ISP   = 0;
ORB_ISP           354 src/dps8/dps8_ins.c     putbits36_1 (& words[1],  3, cpu.cu.ORB_ISP);
ORB_ISP           607 src/dps8/dps8_ins.c