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<h2>
<a name="1208773"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">2.8 Creating a ROM image</font>
</h2><hr>
<p>
<a name="1210804"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Creating a ROM image is very similar to creating a linked unit file. The difference is that ROM loader code must be linked with the application instead of DCU loader code. This is done by specifying the output format for a ROM image to <strong>st20cc</strong>. In the example below, a ROM image is built, and then run on the simulator and then run on target hardware. </font>
</p>
<p>
<a name="1210805"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><em>Note: Running this example on STi5500-Eval board requires the FLASH memory to be `burned' with the ROM image <font size=2 face=Courier><strong>getstart.hex</strong></font>. An example flash burn program is provided in the <font size=2 face=Courier><strong>examples/flash</strong></font> directory.</em></font>
</p>
<h5>
<a name="1211484"> </a><i><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Creating the ROM image</font></i>
</h5>
<ol type="1">
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="1"><a name="1210837"> </a>The options that are passed to the compiler are set in the <strong>Project Settings</strong> window. Open this window by doing one of the following:</font></p>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1210839"> </a>click on <img src="images/quicks14.gif" height="26" width="26">
,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1210840"> </a>press <strong>Shift</strong>+<strong>F7</strong> on your keyboard,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1210841"> </a>select <strong>Project Settings...</strong> from the <strong>Project</strong> menu,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1210842"> </a>right click on the project in the <strong>Workspace</strong> window and select <strong>Settings...</strong>.</font></p>
</ul>
<dl>
<dt> <a name="1210843"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The <strong>Project Settings</strong> window is displayed. The <strong>Project Settings</strong> window is explained in detail in <a href="guia28.htm#1144427"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>Section燗.6.1: Project Settings window</i></font></a>.</font>
</dl>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="2"><a name="1210845"> </a>Select the required options:</font></p>
<ol type="1">
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="1"><a name="1210846"> </a>Click on the <strong>Linker</strong> tab.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="2"><a name="1211016"> </a>Select <strong>Files</strong> in the <strong>Category</strong> field and in the <strong>Command Language Include Files</strong> field, enter <font size=2 face=Courier><strong>sti5500.cfg</strong></font>. This is the command file which describes the hardware and application configuration.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="3"><a name="1210847"> </a>Select <strong>General</strong> in the <strong>Category</strong> field and in the <strong>Output File Type</strong> field, select <strong>ROM - hex</strong>. The <strong>Output File Name</strong> changes to display a <font size=2 face=Courier><strong>.hex</strong></font> extension.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="4"><a name="1210998"> </a>Enter <font size=2 face=Courier><strong>link</strong></font> in the <strong>Build Procedure</strong> field. This is the command language procedure to execute. It is found in the <font size=2 face=Courier><strong>sti5500.cfg</strong></font> file.</font></p>
</ol>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="3"><a name="1210853"> </a>Click on <strong>OK</strong>.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="4"><a name="1211057"> </a>To build the program, do one of the following:</font></p>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1210855"> </a>click on <img src="images/quicks15.gif" height="26" width="26">
in the <strong>Build</strong> toolbar,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1210856"> </a>press <strong>F7</strong> on your keyboard, or</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1210857"> </a>select <strong>Build</strong> from the <strong>Build</strong> menu.</font></p>
</ul>
<dl>
<dt> <a name="1210858"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The project is built as <font size=2 face=Courier><strong>getstart.hex</strong></font>. The output from the build process is shown in the <strong>Build</strong> tab of the <strong>Output</strong> window.</font>
</dl>
</ol>
<h5>
<a name="1211489"> </a><i><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Running the ROM image on the simulator</font></i>
</h5>
<ol type="1">
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li value="1"><a name="1211106"> </a>The debugging options are set in the <strong>Workspace Settings</strong> window. Open this window by doing one of the following:</font></p>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1211108"> </a>click on <img src="images/quicks16.gif" height="26" width="26">
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