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<a name="1210939"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">7.5 The source directory</font>
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<a name="1210940"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The source code is held in subdirectories of the <font size=2 face=Courier><strong>src</strong></font> directory.</font>
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<a name="1220751"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><em>Note: Subsequent toolset releases may invalidate changes that have been made to the source code in these subdirectories.</em></font>
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<a name="1210941"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The <font size=2 face=Courier><strong>cstartup</strong></font> directory contains the startup code for both linked unit and ROM loaded programs. These files are provided so that they can be modified to reduce overhead and provide additional initialization capability. </font>
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<a name="1220756"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The <font size=2 face=Courier><strong>os20</strong></font> directory contains the source code of the OS20 run time system. This is provided to enable customizing of the run time system for particular applications. Modifications to this software could invalidate the debug awareness capability of the toolset debugger.</font>
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<a name="1220757"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The <font size=2 face=Courier><strong>traphandler</strong></font> directory contains the source code for the traphandler, as used by the debugger. The traphandler includes code specific to particular chips. The source is provided to enable users to customize the traphandler for other chips if necessary. </font>
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