⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 numconst.html

📁 熟悉非常简单CPU模拟器 1、将所给模拟器的源程序编译成执行程序。 2、运行并观察非常简单CPU模拟器
💻 HTML
字号:
<HTML>

   <HEAD>
      <TITLE>Numeric Constants</TITLE>
   </HEAD>

   <BODY BACKGROUND="Image3.jpg">

      <H3>Numeric Constants</H3>

      <P>Numeric constants can be used in source statements.  If there is no postfix, the assembler assumes the number is decimal.</P>

      <TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7>

         <TR>

            <TD VALIGN="TOP">
               <P><I>number</I></P>
            </TD>

            <TD VALIGN="TOP">
               <P>can be one of the following:</P>

               <UL>
                  <LI><I>bin_num</I><CODE>B</CODE></LI>
                  <LI><I>dec_num</I> (or <I>dec_num</I><CODE>D</CODE>)</LI>
                  <LI><I>oct_num</I><CODE>O</CODE> (or <I>oct_num</I><CODE>Q</CODE>)</LI>
                  <LI><I>hex_num</I><CODE>H</CODE></LI>
               </UL>

               <P>Lowercase equivalences are allowed: <CODE>b</CODE>, <CODE>d</CODE>, <CODE>o</CODE>, <CODE>q</CODE>, <CODE>h</CODE></P>
            </TD>

         </TR>

         <TR>

            <TD VALIGN="TOP">
               <P><I>bin_num</I></P>
            </TD>

            <TD VALIGN="TOP">
               <P>is a binary number consisting of the digits '<CODE>0</CODE>'-'<CODE>1</CODE>' and ending with a '<CODE>B</CODE>' or '<CODE>b</CODE>'.</P>
               <P><I>Examples:</I></P>
               <BLOCKQUOTE><CODE>11000101B</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>1011B</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>1110110b</CODE></BLOCKQUOTE>
            </TD>

         </TR>

         <TR>

            <TD VALIGN="TOP">
               <P><I>dec_num</I></P>
            </TD>

            <TD VALIGN="TOP">
               <P>is a decimal number consisting of the digits '<CODE>0</CODE>'-'<CODE>9</CODE>', optionally followed by '<CODE>D</CODE>' or '<CODE>d</CODE>'.</P>
               <P><I>Examples:</I></P>
               <BLOCKQUOTE><CODE>364</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>7534D</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>435d</CODE></BLOCKQUOTE>
            </TD>

         </TR>

         <TR>

            <TD VALIGN="TOP">
               <P><I>oct_num</I></P>
            </TD>

            <TD VALIGN="TOP">
               <P>is an octal number consisting of the digits '<CODE>0</CODE>'-'<CODE>7</CODE>' and ending with an '<CODE>O</CODE>', '<CODE>o</CODE>', '<CODE>Q</CODE>' or '<CODE>q</CODE>'.</P>
               <P><I>Examples:</I></P>
               <BLOCKQUOTE><CODE>77O</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>542o</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>2324q</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>34241Q</CODE></BLOCKQUOTE>
            </TD>

         </TR>

         <TR>

            <TD VALIGN="TOP">
               <P><I>hex_num</I></P>
            </TD>

            <TD VALIGN="TOP">
               <P>is a hexadecimal number consisting of '<CODE>0</CODE>'-'<CODE>9</CODE>' and '<CODE>a</CODE>'-'<CODE>f</CODE>' or '<CODE>A</CODE>'-'<CODE>F</CODE>' ending with a '<CODE>H</CODE>', or '<CODE>h</CODE>'.</P>
               <P><I>Examples:</I></P>
               <BLOCKQUOTE><CODE>84H</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>ABDEh</CODE></BLOCKQUOTE>
               <BLOCKQUOTE><CODE>f12aH</CODE></BLOCKQUOTE>
            </TD>

         </TR>

      </TABLE>

   </BODY>

</HTML>

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -