ADD_PORT
iowrite16(PP_CS8920_ISAINT, lp->virt_addr + ADD_PORT);
iowrite16(PP_CS8920_ISAMemB, lp->virt_addr + ADD_PORT);
ioaddr, ADD_PORT, ioread16(ioaddr + ADD_PORT));
iowrite16(PP_ChipID, ioaddr + ADD_PORT);
iowrite16(PP_ChipID, lp->virt_addr + ADD_PORT);
if ((ioread16(io_mem + ADD_PORT) & ADD_MASK) !=
dev->name, ioread16(io_mem + ADD_PORT));
iowrite16(PP_ChipID, lp->virt_addr + ADD_PORT);
iowrite16(regno, lp->virt_addr + ADD_PORT);
iowrite16(regno, lp->virt_addr + ADD_PORT);
nubus_writew(swab16(portno), dev->base_addr + ADD_PORT);
nubus_writew(swab16(portno), dev->base_addr + ADD_PORT);
nubus_writew(0, ioaddr + ADD_PORT);
nubus_writew(0, dev->base_addr + ADD_PORT);
nubus_writew(0, dev->base_addr + ADD_PORT);