uint32_t ide_data_readw(void *opaque, uint32_t addr)

{

    IDEBus *bus = opaque;

    IDEState *s = idebus_active_if(bus);

    uint8_t *p;

    int ret;



    /* PIO data access allowed only when DRQ bit is set. The result of a read

     * during PIO in is indeterminate, return 0 and don't move forward. */

    if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) {

        return 0;

    }



    p = s->data_ptr;

    if (p + 2 > s->data_end) {

        return 0;

    }



    ret = cpu_to_le16(*(uint16_t *)p);

    p += 2;

    s->data_ptr = p;

    if (p >= s->data_end)

        s->end_transfer_func(s);

    return ret;

}
