* a page register that controls bank and packet buffer access. We guard
* this with ei_local->page_lock. Nobody should assume or set the page other
* than zero when the lock is not held. Lock holders must restore page 0
* a page register that controls bank and packet buffer access. We guard
* this with ei_local->page_lock. Nobody should assume or set the page other
* than zero when the lock is not held. Lock holders must restore page 0