fdc_inb
status = fdc_inb(fdc, FD_STATUS);
reply_buffer[i] = fdc_inb(fdc, FD_DATA);
pr_info("status=%x\n", fdc_inb(fdc, FD_STATUS));
fdc_inb(fdc, FD_DIR) & 0x80);
if ((fdc_inb(fdc, FD_DIR) ^ drive_params[drive].flags) & 0x80) {
if (fdc_inb(fdc, FD_STATUS) != STATUS_READY)