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);