ROSE_COND_OWN_RX_BUSY
rose->condition |= ROSE_COND_OWN_RX_BUSY;
if (rose->condition & ROSE_COND_OWN_RX_BUSY)
(rose->condition & ROSE_COND_OWN_RX_BUSY)) {
rose->condition &= ~ROSE_COND_OWN_RX_BUSY;