MSP 1428 src/dps8/dps8_cable.c R_CTLR_IOM (MSP, msp, oval, firebrick2) MSP 1590 src/dps8/dps8_cable.c CTLR_IOM (MSP, msp) MSP 1640 src/dps8/dps8_cable.c CTLR_DEV (MSP, msp, DISK, DSK, dsk);