IA                951 src/dps8/dps8_cpu.h     word4 IA;      // 20-23 IA        System control illegal action lines
IA                529 src/dps8/dps8_faults.c     cpu . cu . IA               = 0;
IA                691 src/dps8/dps8_faults.c                 cpu.cu.IA    = 02;
IA                699 src/dps8/dps8_faults.c             cpu.cu.IA    = 013;   // store unit not ready (T&D)
IA                708 src/dps8/dps8_faults.c         cpu.cu.IA    = (word4) (subFault.bits & 017);
IA                709 src/dps8/dps8_faults.c         cpu.cu.IACHN = cpu.cu.IA ? ia_port (cpup) : 0;
IA                729 src/dps8/dps8_faults.c           cpu . cu . IA        = 0;
IA                731 src/dps8/dps8_faults.c           cpu . cu . IA        = 010;
IA                900 src/dps8/dps8_faults.c     cpu.cu.IA        = 0;
IA                422 src/dps8/dps8_ins.c     putbits36_4 (& words[1], 20, cpu.cu.IA);
IA                705 src/dps8/dps8_ins.c 
IA                410 src/dps8/panelScraper.c                 SETL (bank_a, 20+3, cpu.cu.IA, 4);