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<td><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0 class="seyle4"><TBODY><TR><TD> </TD></TR><TR><TD valign="middle" class="content9"><STRONG>ＶＨＤＬ设计交通灯程序（１）</STRONG></TD></TR><TR><TD><DIV align=right><SPAN class=textbox-label>[ 2006-7-1 7:44:00 | By: <SPAN class=style3>longwenzhao1</SPAN> ]</SPAN></DIV></TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD height=3> </TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" align=center border="0" style="table-layout:fixed;"><TBODY><TR><TD><SPAN class=oblog_text><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 16pt"><FONT face="Times New Roman">4</FONT></SPAN><SPAN style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">．</SPAN><SPAN lang=EN-US style="FONT-SIZE: 16pt"><FONT face="Times New Roman">2<SPAN style="mso-spacerun: yes"> </SPAN></FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">* </SPAN><SPAN style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">控制器的<SPAN lang=EN-US>VHDL</SPAN>程序设计 <SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">4</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">．<SPAN lang=EN-US>2</SPAN>．<SPAN lang=EN-US>1</SPAN>计数器模块的程序设计<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">这里计数器的计数范围为<SPAN lang=EN-US>0—49S </SPAN>。计到<SPAN lang=EN-US>49</SPAN>后<SPAN lang=EN-US>,</SPAN>下一个时钟沿回复到<SPAN lang=EN-US>0,</SPAN>开始下一轮计数<SPAN lang=EN-US>.</SPAN>此外<SPAN lang=EN-US>,</SPAN>当检测到特殊情况<SPAN lang=EN-US>(Hold=</SPAN>‘<SPAN lang=EN-US>1</SPAN>‘<SPAN lang=EN-US>)</SPAN>发生时，计数器暂停计数，而系统复位号<SPAN lang=EN-US>Reset</SPAN>则使计数器异步清<SPAN lang=EN-US>0</SPAN>。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">程序如下：<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">LIBRARY IEEE;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">USB IEEE.Std_Logic_1164.ALL;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">ENTTTY Counter IS<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">PORT<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">(Clock:IN Std_logic;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">Reset:IN Std_logic;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">Hold:IN Std_logic;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">CountNum:<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:place w:st="on"><st1:PlaceName w:st="on">BUFFER</st1:PlaceName> <st1:PlaceName w:st="on">Integer</st1:PlaceName> <st1:PlaceType w:st="on">RANGE</st1:PlaceType></st1:place> 0 TO 49<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">);<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">END;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">ARCHITECTURE Behavior OF Counter IS<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">BEGIN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>PROCESS(Reset,Clock)<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 18pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">BEGIN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>IF Reset=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>THEN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>CountNum<=0;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>ELSIF rising_edge(Clock)THEN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>IF Hold=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>THEN<SPAN style="mso-spacerun: yes"> </SPAN>--</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">当出现紧急情况时，计数器暂停计数<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>CountNum<=CountNum;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>ELSE<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>IF CountNum =49 THEN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>CountNum<=0;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>ELSE<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>CountNum<= CountNum+1;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>END IF;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>END IF;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">END IF;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>END PROCESS;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">END;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><st1:chsdate w:st="on" Year="1899" Month="12" Day="30" IsLunarDate="False" IsROCDate="False"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">4.2.2</SPAN></B></st1:chsdate><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"> </SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">控制器模块程序的设计<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">控制器的作用是根据计数器的计数值控制发光二极管的亮、灭，以及输出倒计时数值给七段译管的分译码电路。此外，当检测到特殊情况（<SPAN lang=EN-US>Hold=</SPAN>‘<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’"><SPAN lang=EN-US>1</SPAN>’</st1:chmetcnv>）发生时，无条件点亮红色的发光二极管。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">程序如下：<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>LIBRARY IEEE;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">USB IEEE.Std_Logic_1164.ALL;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">ENTTTY Controller IS<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">PORT<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">( Clock:IN Std_logic;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">Reset:IN Std_logic;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>CountNum:IN Integer RANGE 0 TO 49; --</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">前级计数器的计数值<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 6pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: .5" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>NumA,NumB:OUT Integer RANGE 0 TO 25; --</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">倒计时数值输出<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">RedA,GreenA,YellowA:OUT Std_Logic; --</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">控制东西方向红、绿、黄灯的亮、灭<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">RedB,GreenB,YellowB:OUT Std_Logic; --</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">控制南北方向红、绿、黄灯的亮、灭<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">Flash:OUT Std_Logic<SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="mso-spacerun: yes"> </SPAN>--</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">用以指示七段数码管显示数字的闪烁<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">);<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">END;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">ARCHITECTURE Behavior OF Contrller IS<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">BEGIN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>PROCESS(Clock)<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>BEGIN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 245.95pt; TEXT-INDENT: -234pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: -19.5; mso-para-margin-left: 1.14gd" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>IF falling_edge(Clock) THEN<SPAN style="mso-spacerun: yes"> </SPAN>--</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">计数器是上升沿改计数值，此处用下降沿读取<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>IF Hold=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv> THEN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>RedA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>RedB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>GreenA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="mso-spacerun: yes"> </SPAN>GreenB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>YellowA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>YellowB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>Flash<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>ELSE<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>Flash<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>IF CountNum<=19 THEN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>NumA<=20- CountNum;<SPAN style="mso-spacerun: yes"> </SPAN>--</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">计算东西方向倒计时数值<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>RedA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>GreenA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="mso-spacerun: yes"> </SPAN>YellowA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>ELSIF (CountNum<=24)THEN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>NumA<=25- CountNum;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>RedA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>GreenA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>YellowA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>ELSE<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>NumA<=50- CountNum;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>RedA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>GreenA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="mso-spacerun: yes"> </SPAN>YellowA<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>END IF;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>IF CountNum<=24 THEN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>NumA<=25- CountNum;<SPAN style="mso-spacerun: yes"> </SPAN>--</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">计算南北方向倒计时数值<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>RedB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>GreenB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>YellowB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>ELSIF (CountNum<=44)THEN<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>NumB<=45- CountNum;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>RedB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>GreenB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>YellowB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>ELSE<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>NumB<=50- CountNum;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>RedB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>GreenB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="0" UnitName="’">0’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>YellowB<=’<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1" UnitName="’">1’</st1:chmetcnv>;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>END IF;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>END IF;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN>END IF;<o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 1.0" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="mso-spacerun: yes"> </SPAN>END PROCESS;<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></SPAN></P> </SPAN></TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD height=3> </TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD height="13" class="seyle5"><DIV align=right><SPAN class=textbox-urls><a href="#" >阅读全文<span id="ob_logreaded"></span></a> | <a href="#cmt">回复(14)</a> | <a href="/showtb.asp?id=10712" target="_blank">引用通告<span id="ob_tbnum"></span></a> | <a href="/user_post.asp?logid=10712" target="_blank">编辑</a></SPAN></DIV></TD></TR></TBODY></TABLE><TABLE height=14 cellSpacing=0 cellPadding=0 width="100%" align=center border=0><TBODY><TR><TD> </TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE><div id="blogaddon"><li>标签：<span><a href="/member/longwenzhao1/cmd.html?uid=12702&do=tag_blogs&id=3368">ＶＨＤＬ设计交通灯程序</a></span> </li><li>本日志同步发往的圈子及评论情况：<div style='margin-left:30px;'><script type='text/javascript' src='/plus/javascript/prototype.js'></script><script>var show_returnsave=function (textdate){if (textdate[0]!='###error###'){for(var i=0;i<textdate.length;i++){var arr_group=textdate[i].split('|');$('group_'+arr_group[0]).innerText=arr_group[1];}}};var Ajax = new oAjax('/ajaxserver.asp?action=getreply&logid=10712',show_returnsave);var arrKey = new Array();var arrValue = new Array();Ajax.Post(arrKey,arrValue);</script></div></li></div><div id="morelog"><ul><li>上一篇：<a href="/member/longwenzhao1/archives/2006/10698.html">六路***－单片机课程设计（６）</a></li><li>下一篇：<a href="/member/longwenzhao1/archives/2006/10723.html">Ｃ语言－计数器（１）</a></li></ul></div><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0 class="seyle4"><TBODY><TR><TD> </TD></TR><TR><TD valign="middle" class="content9"><STRONG>Re:ＶＨＤＬ设计交通灯程序（１）<a name='12069'></a></STRONG></TD></TR><TR><TD><DIV align=right><SPAN class=textbox-label>[ <span id="t_12069">2006-7-1 10:32:00</span> | By: <SPAN class=style3><span id="n_12069">hyt1112</span></SPAN> ]</SPAN></DIV></TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD height=3> </TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" align=center border="0" style="table-layout:fixed;"><TBODY><TR><TD><SPAN class=oblog_text><a href="/member/hyt1112/index.html" target="_blank"><img class="ob_face" src="/UploadFiles/2006-10/pre1019614967.jpg" width="60" height="75" align="absmiddle" /></a><span id="c_12069"><p><img src="http://www.chinadxy.com/images/emot/face9.gif">我看不懂，555555555我文盲</p></span> </SPAN></TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD height=3> </TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD height="13" class="seyle5"><DIV align=right><SPAN class=textbox-urls><a href="/member/hyt1112/index.html" target="_blank">个人主页</a> | <a href="javascript:reply_quote('12069')" >引用</a> | <a href="#top">返回</a> | <a href="/user_comments.asp?action=del&id=12069" target="_blank">删除</a> | <a href="/user_comments.asp?action=modify&re=true&id=12069" target="_blank">回复</a></SPAN></DIV></TD></TR></TBODY></TABLE><TABLE height=14 cellSpacing=0 cellPadding=0 width="100%" align=center border=0><TBODY><TR><TD> </TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0 class="seyle4"><TBODY><TR><TD> </TD></TR><TR><TD valign="middle" class="content9"><STRONG>Re:ＶＨＤＬ设计交通灯程序（１）<a name='35597'></a></STRONG></TD></TR><TR><TD><DIV align=right><SPAN class=textbox-label>[ <span id="t_3559⌨️ 快捷键说明
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