MReg1IO 2569 drivers/tty/rocket.c CtlP->MReg1IO = MudbacIO + 1; MReg1IO 313 drivers/tty/rocket_int.h ByteIO_t MReg1IO; MReg1IO 833 drivers/tty/rocket_int.h #define sGetControllerIntStatus(CTLP) (sInB((CTLP)->MReg1IO) & 0x0f)