IPC 1429 src/dps8/dps8_cable.c R_CTLR_IOM (IPC, ipc, oval, firebrick3) IPC 1591 src/dps8/dps8_cable.c CTLR_IOM (IPC, ipc) IPC 1639 src/dps8/dps8_cable.c CTLR_DEV (IPC, ipc, DISK, DSK, dsk);