DAS1800_STATUS
while (inb(dev->iobase + DAS1800_STATUS) & FNE) {
outb(CLEAR_INTR_MASK & ~DMATC, dev->iobase + DAS1800_STATUS);
outb(0x0, dev->iobase + DAS1800_STATUS);
unsigned int status = inb(dev->iobase + DAS1800_STATUS);
outb(CLEAR_INTR_MASK & ~OVF, dev->iobase + DAS1800_STATUS);
outb(CLEAR_INTR_MASK & ~CT0TC, dev->iobase + DAS1800_STATUS);
status = inb(dev->iobase + DAS1800_STATUS);
outb(CLEAR_INTR_MASK & ~INT, dev->iobase + DAS1800_STATUS);
outb(CVEN, dev->iobase + DAS1800_STATUS);
status = inb(dev->iobase + DAS1800_STATUS);
outb(CVEN, dev->iobase + DAS1800_STATUS); /* enable conversions */