so-bidi-font-family:"Times New Roman"'>interrupts</span></span>,
<span class=code><span style='font-family:"Courier New";mso-bidi-font-family:
"Times New Roman"'>bus </span></span><span class=code><span style='mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>and</span></span><span
class=code><span style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>
address errors, traps</span></span>, etc. We don’t discuss here the whole
process of writing the e