he external system. And if any bus access
(prefetch or not) is delayed because of wait states, then the whole CPU process
is stalled.</p>

<p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></p>

<p class=MsoNormal>The prefetch queue is re-filled during the execution of an
instruction. Most instructions perform as many prefetch cycles as the total
number of words in the instruction. For example <span class=code><span
style='font-family:"Courier New";mso-bidi-font-family:"Times 