diff --git a/src/spicelib/devices/adms/admst/ngspiceMODULEtrunc.c.xml b/src/spicelib/devices/adms/admst/ngspiceMODULEtrunc.c.xml
new file mode 100644
index 000000000..8075f2c42
--- /dev/null
+++ b/src/spicelib/devices/adms/admst/ngspiceMODULEtrunc.c.xml
@@ -0,0 +1,114 @@
+
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<!--
+  $Id$
+  $Log$
+  Revision 1.1  2006-03-10 09:55:53  pnenzi
+
+  Truncation error calculation.
+
+
+-->
+
+<!--
+     Written by Laurent Lemaitre - r29173@users.sourceforge.net
+     Documentation:
+       http://sourceforge.net/docman/display_doc.php?docid=18993&group_id=84289
+     Target Interface: ngspice
+     Supported by adms-1.x.x
+     This file is used by adms - http://sourceforge.net/projects/mot-adms.
+     adms is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation; either version 2 of the License, or
+     (at your option) any later version.
+     adms is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+     You should have received a copy of the GNU General Public License
+     along with adms; if not, write to the Free Software
+     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+-->
+
+<!DOCTYPE admst SYSTEM "admst.dtd">
+<admst version="2.2.0" xmlns:admst="http://mot-adms.sourceforge.net/xml-files/admst">
+
+<admst:template match="dectype">
+  <admst:choose>
+    <admst:when test="[type='real']">
+      <admst:text format="  double "/>
+    </admst:when>
+    <admst:when test="[type='integer']">
+      <admst:text format="  int "/>
+    </admst:when>
+    <admst:otherwise>
+      <admst:text format="  char* "/>
+    </admst:otherwise>
+  </admst:choose>
+</admst:template>
+
+<admst:template match="code">
+<admst:value-of select="attribute[name='ngspicename']/value"/>
+<admst:variable name="module" select="%s"/>
+
+#include &quot;ngspice.h&quot;
+#include &quot;cktdefs.h&quot;
+#include &quot;$(module)defs.h&quot;
+#include &quot;sperror.h&quot;
+#include &quot;suffix.h&quot;
+
+int $(module)trunc(GENmodel *inModel, CKTcircuit *ckt, double *timeStep)
+{
+  register $(module)model *model = ($(module)model*)inModel;
+  register $(module)instance *here;
+
+#ifdef STEPDEBUG
+    double debugtemp;
+#endif /* STEPDEBUG */  
+  
+  for ( ; model != NULL; model = model->$(module)nextModel )
+  {
+    /* loop through all the instances of the model */
+    for (here = model->$(module)instances; here != NULL ; here = here->$(module)nextInstance)
+    {
+#ifdef STEPDEBUG
+            debugtemp = *timeStep;
+#endif /* STEPDEBUG */   
+ 
+    <admst:for-each select="source[dynamic='yes']">
+    <admst:value-of select="branch/nnode/name"/>
+    <admst:value-of select="branch/pnode/name"/>
+            CKTterr(here->state_%s_%s, ckt, timeStep);
+    </admst:for-each>
+    
+ 
+#ifdef STEPDEBUG
+            if(debugtemp != *timeStep)
+	    {  printf("device %%s reduces step from %%g to %%g\\n",
+                       here->$(module)name,debugtemp,*timeStep);
+            }
+#endif /* STEPDEBUG */
+   
+    } /* End of Instance */
+  } /* End of Model */
+  return(OK);
+}
+
+</admst:template>
+
+<admst:for-each select="/module">
+  <admst:value-of select="attribute[name='ngspicename']/value"/>
+  <admst:open file="%strunc.c">
+    <admst:value-of select="/simulator/package_string"/>
+    <admst:text format="/***\n*** Interface: %s\n"/>
+    <admst:value-of select="/simulator/currentdate"/>
+    <admst:value-of select="/simulator/fullname"/>
+    <admst:text format=" *** created by: %s - %s ***/\n"/>
+    <admst:apply-templates select="." match="code"/>
+  </admst:open>
+  <admst:value-of select="attribute[name='ngspicename']/value"/>
+  <admst:message format="%strunc.c: file created\n"/>
+</admst:for-each>
+
+</admst>