IA 942 src/dps8/dps8_cpu.h word4 IA; // 20-23 IA System control illegal action lines IA 520 src/dps8/dps8_faults.c cpu . cu . IA = 0; IA 621 src/dps8/dps8_faults.c cpu . cu . IA = 0; IA 623 src/dps8/dps8_faults.c cpu . cu . IA = 010; IA 784 src/dps8/dps8_faults.c cpu.cu.IA = 0; IA 409 src/dps8/dps8_ins.c putbits36_4 (& words[1], 20, cpu.cu.IA); IA 684 src/dps8/dps8_ins.c IA 416 src/dps8/panelScraper.c SETL (bank_a, 20+3, cpu.cu.IA, 4);