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  <a name="1205919"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">8.7 	 Event support</font>
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  <a name="1217041"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">Trap and interrupt support is provided by <font size=2 face=Courier><strong>st20sim</strong></font> in a number of ways. The latest ST20 Embedded Toolset provides function calls that allow traps and interrupts to be set up and fired; for details see the <em>OS20 User Manual</em>, chapters <em>Kernel</em> and <em>Alphabetical list of Functions</em>. In addition, <font size=2 face=Courier><strong>st20sim</strong></font> provides a manual method of firing interrupts at assembly language level using the <font  face="Verdana, Arial, Helvetica, sans-serif"><b>event</b></font> option on the command line. This section describes how to use the <font  face="Verdana, Arial, Helvetica, sans-serif"><b>event</b></font> option.</font>
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