t-family:"Times New Roman"'>RTS</span></span> instruction at the
last word of that memory block. When the CPU executes the <span class=code><span
style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>RTS</span></span>,
and before returning to the caller, it performed already a prefetch one word <b>beyond</b>
the <span class=code><span style='font-family:"Courier New";mso-bidi-font-family:
"Times New Roman"'>RTS</span></span>. What exactly will happen when attempting
a fetch outside 