PN_REG
(SMC_8BIT(lp) ? (SMC_inb(ioaddr, PN_REG(lp))) \
: (SMC_inw(ioaddr, PN_REG(lp)) & 0xFF))
SMC_outb(x, ioaddr, PN_REG(lp)); \
SMC_outw(lp, x, ioaddr, PN_REG(lp)); \
: (SMC_inw(ioaddr, PN_REG(lp)) >> 8))