Archipelago » qemu

    ret = async->packet.len;

    if (td->ctrl & TD_CTRL_IOS)

        td->ctrl &= ~TD_CTRL_ACTIVE;

       here.  The docs are somewhat unclear, but win2k relies on this

       behavior.  */

    td->ctrl &= ~(TD_CTRL_ACTIVE | TD_CTRL_NAK);

    if (pid == USB_TOKEN_IN) {

        if (len > max_len) {

        if (err == 0) {

            td->ctrl &= ~TD_CTRL_ACTIVE;

            s->status |= UHCI_STS_USBERR;

            uhci_update_irq(s);

        }

    }