</o:p></p>

<p class=MsoNormal>What is the result in <span class=code><span
style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>D0</span></span>,
zero, one or two? Obviously it depends on which instructions were executed, the
“<i>old</i>” <span class=code><span style='font-family:"Courier New";
mso-bidi-font-family:"Times New Roman"'>ADDQ</span></span> ones or the “<i>new</i>”
<span class=code><span style='font-family:"Courier New";mso-bidi-font-family:
"Times New Roman"