设变量x = 11101111B, y = 11001000B, X = 0101101100001010B,Y = 0100110010100011B,则分别执行x+y和X+Y操作后标志寄存器中各状态位的状态如何?

<p class="MsoNormal" style="text-indent: 21pt;"><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:1.0000pt;">x+y &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;X+Y</span><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" style="text-indent: 42pt;"><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:1.0000pt;">11101111 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0101101100001010</span><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" style="text-indent: 24pt;"><span style="mso-spacerun:'yes';font-family:宋体;color:rgb(0,0,0);display:none;mso-hide:all;font-size:12.0000pt;mso-font-kerning:0.0000pt;">&nbsp;</span><u><span style="font-family: 宋体; font-size: 10.5pt;">+ 11001000 &nbsp;</span></u><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:1.0000pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><u><span style="font-family: 宋体; font-size: 10.5pt;">+ 0100110010100011 </span></u><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" style="text-indent: 21pt;"><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:1.0000pt;">&nbsp;&nbsp;1 10110111 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1010011110101101</span><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>