ORB_ISP           915 src/dps8/dps8_cpu.h     word1 ORB_ISP; //  3    ORB       AVF Out of read bracket
ORB_ISP           503 src/dps8/dps8_faults.c     cpu . cu . ORB_ISP          = 0;
ORB_ISP           572 src/dps8/dps8_faults.c           cpu . cu . ORB_ISP   = 1;
ORB_ISP           614 src/dps8/dps8_faults.c           cpu . cu . ORB_ISP   = 1;
ORB_ISP           764 src/dps8/dps8_faults.c     cpu.cu.ORB_ISP   = 0;
ORB_ISP           392 src/dps8/dps8_ins.c     putbits36_1 (& words[1],  3, cpu.cu.ORB_ISP);
ORB_ISP           667 src/dps8/dps8_ins.c 
ORB_ISP           399 src/dps8/panelScraper.c                 SETL1 (bank_a,  3+3, cpu.cu.ORB_ISP);