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<h2>
<a name="1143258"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.4 st20run</font>
</h2><hr>
<h3>
<a name="1147352"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.4.1 Changes from R1.9 to R2.0</font>
</h3>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148391"> </a>C++ debug support</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148461"> </a>The UNIX <strong>st20run</strong> GUI for Windows is now deprecated.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148779"> </a>Trace facilities extended:</font></p>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148780"> </a>Default trace configuration,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148781"> </a>DCU3 fully supported,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148782"> </a>Postmortem trace extraction,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148783"> </a>Trace output control, for example: filters, views.</font></p>
</ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148784"> </a>Breakpoint configuration extended:</font></p>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148785"> </a>Non-trapping breakpoints,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148786"> </a>Extended sequencing options,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1148787"> </a>Generate trace save event.</font></p>
</ul>
</ul>
<h3>
<a name="1143259"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.4.2 Changes from R1.8.1 to R1.9</font>
</h3>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143261"> </a>Support for DCU3 on-chip diagnostic controller has been added, as described in the <em>ST20 Embedded Toolset User Manual</em>.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143265"> </a>Support has been withdrawn for JPI and B300 used together as an Ethernet host-target interface.</font></p>
</ul>
<h3>
<a name="1143266"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.4.3 Changes from R1.8 to R1.8.1</font>
</h3>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143268"> </a>Support for ST Micro Connect host-target interface. See the <em>Interfacing to the target</em> chapter of the <em>ST20 Embedded Toolset User Manual</em>.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143272"> </a>Extension of the <font size=2 face=Courier><strong>chip</strong></font> command to include new silicon. An improved and extended description of the <font size=2 face=Courier><strong>chip</strong></font> command is included in the <em>Command Language</em> part of the <em>ST20 Embedded Toolset Reference Manual</em>.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143276"> </a>The debugger has improved awareness of programs when multiple programs exist on a ROM, for example when using OS20. The <font size=2 face=Courier><strong>program</strong></font> command extensions can be used to aid the debugger, particularly for those programs which execute code from RAM. The debugger can handle C code built with toolsets R1.6.2 and later. See the <em>ROM Systems</em> chapter of the <em>ST20 Embedded Toolset Reference Manual</em>.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143280"> </a><strong>st20run</strong> now automatically gets the debug information for the target I/O code. This means that there will be fewer occasions when the debugger enters assembly mode after an asynchronous <strong>Stop</strong>.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143281"> </a>The trigger support has been reinstated in the events handling (for example, sending a DCU trigger when a breakpoint is hit).</font></p>
</ul>
<h3>
<a name="1143282"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.4.4 Changes from R1.7 to R1.8</font>
</h3>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143284"> </a>The debugger can single-step lines of source or single machine instructions (including changes of thread) using the <font size=2 face=Courier><strong>step</strong></font> command, as described in the <em>ST20 Embedded Toolset Reference Manual</em>, or using the graphical interface, as described in the <em>ST20 Embedded Toolset User Manual</em>.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143291"> </a>The trigger support has been removed from the events handling (for example, sending a DCU trigger when a breakpoint is hit).</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143292"> </a>Running the debugger on target boards with <span class=Signal>notRST</span> disconnected is no longer supported. In versions of the toolset up to but not including R1.8, users were able to download and run programs onto target boards which did not have <span class=Signal>notRST</span> connected. This was done by putting the target board into <font face="Verdana, Arial, Helvetica, sans-serif"><i>boot from OS-Link</i></font> mode and resetting the target manually before connecting. <strong>st20run</strong> no longer supports this mode of operation. The <span class=Signal>notRST</span> signal must be connected for <font size=2 face=Courier><strong>.lku</strong></font> files to be downloaded and run.</font></p>
</ul>
<h3>
<a name="1143293"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.4.5 Changes from R1.6.2 to R1.7</font>
</h3>
<p>
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