diff --git a/counter.c b/counter.c
index 7f585787..495bee96 100644
--- a/counter.c
+++ b/counter.c
@@ -778,8 +778,9 @@
                                       {"mode",1,{FUPAOPT}},
                                       {"preset",1,{FUPAOPT}},
                                       {"send",0,{0,0}},
-				  {"setpar",3,{FUPATEXT,FUPAINT,FUPAFLOAT}},
-				      {"getpar",2,{FUPATEXT,FUPAOPT}}    
+                                      {"setpar",3,{FUPATEXT,FUPAINT,FUPAFLOAT}},
+                                      {"getpar",2,{FUPATEXT,FUPAOPT}},    
+                                      {"getnmon",0,{0,0}}
                                     };
    char *pMode[] = {
                     "timer",
@@ -795,7 +796,7 @@
    /* parse function args */
    argtolower(argc,argv);
    argx = &argv[1];
-   iRet = EvaluateFuPa((pFuncTemplate)&ActionTemplate,22,argc-1,argx,&PaRes);
+   iRet = EvaluateFuPa((pFuncTemplate)&ActionTemplate,23,argc-1,argx,&PaRes);
    if(iRet < 0)
    {
       sprintf(pBueffel,"%s",PaRes.pError);
@@ -1134,6 +1135,10 @@
                return 0;
             }         
             break;
+   case 22: /* getnmon */
+          snprintf(pBueffel,131,"%s.getnmon = %d", argv[0], GetNMonitor(self));
+          SCWrite(pCon,pBueffel,eValue);
+            break;
       default:
              assert(0); /* internal error */       
    }
diff --git a/diffscan.c b/diffscan.c
index 597edb90..22cf3b74 100644
--- a/diffscan.c
+++ b/diffscan.c
@@ -70,7 +70,7 @@ int MakeDiffScan(SConnection *pCon, SicsInterp *pSics, void *pData,
   pNew->pDes->SaveStatus = SaveDiffScan;
 
   if(argc > 1) {
-    status = AddCommand(pSics,argv[2],
+    status = AddCommand(pSics,argv[1],
 			DiffScanWrapper,
 			KillDiffScan,
 			pNew);
diff --git a/histmem.c b/histmem.c
index 4021c6df..1b2575ef 100644
--- a/histmem.c
+++ b/histmem.c
@@ -72,6 +72,10 @@
  * from histregress.c
  */
 extern pHistDriver CreateRegressHM(pStringDict pOpt);
+/*
+ * from slavehm.c
+ */
+extern pHistDriver MakeHMSlaveHM(pStringDict pOpt);
 /*------------------------------------------------------------------------*/
   static int HistHalt(void *pData)
   {
@@ -462,6 +466,12 @@ extern pHistDriver CreateRegressHM(pStringDict pOpt);
      {
         pNew->pDriv = CreateRegressHM(pOption);
      }  
+/*     
+     else if(strcmp(driver,"slave") == 0)
+     {
+        pNew->pDriv = MakeHMSlaveHM(pOption);
+     }  
+*/     
      else
      {
        site = getSite();
diff --git a/make_gen b/make_gen
index 32c80b63..2b55a90c 100644
--- a/make_gen
+++ b/make_gen
@@ -32,7 +32,7 @@ SOBJ =  network.o ifile.o conman.o SCinter.o splitter.o passwd.o \
        mcstashm.o initializer.o remob.o tclmotdriv.o protocol.o \
        sinfox.o sicslist.o cone.o hipadaba.o sicshipadaba.o statistics.o \
        moregress.o hdbcommand.o multicounter.o regresscter.o histregress.o \
-       sicshdbadapter.o polldriv.o sicspoll.o statemon.o
+       sicshdbadapter.o polldriv.o sicspoll.o statemon.o hmslave.o 
  
 MOTOROBJ = motor.o  simdriv.o  
 COUNTEROBJ =  countdriv.o simcter.o counter.o
diff --git a/nserver.c b/nserver.c
index 7924a07b..51c27bad 100644
--- a/nserver.c
+++ b/nserver.c
@@ -217,10 +217,6 @@
      NetReadRegister(pReader, self->pServerPort, naccept, NULL);
      
      /* the device executor */
-     pCom = FindCommand(self->pSics,"stopexe");
-     assert(pCom);
-     assert(pCom->pData);
-     self->pExecutor = (pExeList)pCom->pData;
      openDevexecLog();
      DevexecLog("START","SICS");
 
diff --git a/ofac.c b/ofac.c
index 80d12407..3489ef06 100644
--- a/ofac.c
+++ b/ofac.c
@@ -203,6 +203,7 @@
     assert(pInter);
     
     pExe = CreateExeList(pTask);
+    pServ->pExecutor = pExe;
     pEnv = CreateEnvMon();
     
     assert(pExe);
@@ -213,9 +214,6 @@
      AddCommand(pInter,"FileEval",MacroFileEval,NULL,NULL);
 
      AddCommand(pInter,"InternEval",InternalFileEval,NULL,NULL);
-/*       
-     AddCommand(pInter,"FileWhere",MacroWhere,WhereKill,NULL);
-*/
      AddCommand(pInter,"ClientPut",ClientPut,NULL,NULL);
      AddCommand(pInter,"GumPut",GumPut,NULL,NULL);
      AddCommand(pInter,"broadcast",Broadcast,NULL,NULL);
diff --git a/outcode.c b/outcode.c
index 6e9de898..ad7fa0ee 100644
--- a/outcode.c
+++ b/outcode.c
@@ -23,5 +23,5 @@
                "hdbvalue",
                "hdbevent",
                NULL };
- static int iNoCodes = 10;
+ static int iNoCodes = 13;
 #endif
diff --git a/scan.c b/scan.c
index 4ad1e37b..8b9f310f 100644
--- a/scan.c
+++ b/scan.c
@@ -2218,6 +2218,11 @@ static int DumpScan(pScanData self, SConnection *pCon)
            }     
            return iRet;
         }       
+/*----------- getnumchan */
+        else if(strcmp(argv[1],"getnumchan") == 0) {
+          snprintf(pBueffel,511,"%s.getnumchan = %d", argv[0], GetNMonitor((pCounter)self->pCounterData));
+          SCWrite(pCon,pBueffel,eValue);
+        }
 /*----------- setchannel */
         else if(strcmp(argv[1],"setchannel") == 0)
         {
diff --git a/sicsdata.c b/sicsdata.c
index 24253167..4e2e0d67 100644
--- a/sicsdata.c
+++ b/sicsdata.c
@@ -185,7 +185,7 @@ void clearSICSData(pSICSData self){
   memset(self->dataType,0,self->currentDataSize*sizeof(char));
 }
 /*--------------------------------------------------------------------*/
-static int dumpSICSData(pSICSData self, char *filename, SConnection *pCon){
+static int dumpSICSDataXY(pSICSData self, char *filename, SConnection *pCon){
   FILE *fd = NULL;
   char pBueffel[132];
   int i;
@@ -210,6 +210,32 @@ static int dumpSICSData(pSICSData self, char *filename, SConnection *pCon){
   SCSendOK(pCon);
   return 1;
 }
+/*--------------------------------------------------------------------*/
+static int dumpSICSData(pSICSData self, char *filename, SConnection *pCon){
+  FILE *fd = NULL;
+  char pBueffel[132];
+  int i;
+  float fVal;
+
+  fd = fopen(filename,"w");
+  if(fd == NULL){
+    snprintf(pBueffel,131,"ERROR: cannot open %s", filename);
+    SCWrite(pCon,pBueffel,eError);
+    return 0;
+  }
+  for(i = 0; i < self->dataUsed; i++){
+    if(self->dataType[i] == INTTYPE){
+      fprintf(fd," %d", self->data[i]);
+    }
+    if(self->dataType[i] == FLOATTYPE){
+      memcpy(&fVal,self->data + i,sizeof(float));
+      fprintf(fd," %.5f",fVal);
+    }
+  }
+  fclose(fd);
+  SCSendOK(pCon);
+  return 1;
+}
 /*-------------------------------------------------------------------*/
 static int putInt(pSICSData self, int argc, char *argv[], 
 		  SConnection *pCon, SicsInterp *pSics){
@@ -588,6 +614,58 @@ static int copyHM(pSICSData self, int argc, char *argv[],
   SCSendOK(pCon);
   return 1;
 }
+/*--------------------------------------------------------------------*/
+static int copyHMBank(pSICSData self, int argc, char *argv[], 
+          SConnection *pCon, SicsInterp *pSics){
+  int status, pos, i, bank, dataLength;
+  pHistMem pHist = NULL;
+  const float *fTimeBin = NULL;
+  int *iData = NULL;
+
+  if(argc < 4){
+    SCWrite(pCon,"ERROR: not enough arguments to SICSData copyhm",
+        eError);
+    return 0;
+  }
+  status = Tcl_GetInt(InterpGetTcl(pSics),argv[0],&pos);
+  if(status != TCL_OK){
+    SCWrite(pCon,
+        "ERROR: failed to convert copyhmbank position to integer",
+        eError);
+    return 0;
+  }
+  pHist = (pHistMem)FindCommandData(pSics,argv[1],"HistMem");
+  if(!pHist){
+    SCWrite(pCon,"ERROR: histogram memory not found in copyhmbank",
+        eError);
+    return 0;
+  }
+  status = Tcl_GetInt(InterpGetTcl(pSics),argv[2],&bank);
+  if(status != TCL_OK){
+    SCWrite(pCon,
+        "ERROR: failed to convert copyhmbank bank to integer",
+        eError);
+    return 0;
+  }
+  status = Tcl_GetInt(InterpGetTcl(pSics),argv[3],&dataLength);
+  if(status != TCL_OK){
+    SCWrite(pCon,
+        "ERROR: failed to convert copyhmbank dataLength to integer",
+        eError);
+    return 0;
+  }
+  
+  iData = getSICSDataPointer(self,pos,pos+dataLength);
+  if(!iData){
+    SCWrite(pCon,"ERROR: out of memory in SICSData copyhmbank",eError);
+    return 0;
+  }
+  GetHistogramDirect(pHist,pCon,bank,0,dataLength,iData,
+    dataLength*sizeof(int));
+  assignType(self,pos,pos+dataLength,INTTYPE);
+  SCSendOK(pCon);
+  return 1;
+}
 /*----------------------------------------------------------------------*/
 static int copyData(pSICSData self,SicsInterp *pSics,
     SConnection *pCon,int argc, char *argv[]){
@@ -645,6 +723,13 @@ int SICSDataAction(SConnection *pCon, SicsInterp *pSics, void *pData,
     snprintf(pBueffel,131,"%s = %d", argv[0], self->dataUsed);
     SCWrite(pCon,pBueffel,eValue);
     return 1;
+  } else if(strcmp(argv[1],"dumpxy") == 0){
+    /* --------- dump */
+    if(argc < 3){
+      SCWrite(pCon,"ERROR: need a file name to dump to",eError);
+      return 0;
+    }
+    return dumpSICSDataXY(self,argv[2],pCon);
   } else if(strcmp(argv[1],"dump") == 0){
     /* --------- dump */
     if(argc < 3){
@@ -686,8 +771,11 @@ int SICSDataAction(SConnection *pCon, SicsInterp *pSics, void *pData,
     /*--------- copytimebin */
     return copyTimeBin(self,argc-2,&argv[2],pCon,pSics);
   } else if(strcmp(argv[1],"copyhm") == 0){
-    /*--------- copytimebin */
+    /*--------- copyhm */
     return copyHM(self,argc-2,&argv[2],pCon,pSics);
+  } else if(strcmp(argv[1],"copyhmbank") == 0){
+    /*--------- copyhmbank */
+    return copyHMBank(self,argc-2,&argv[2],pCon,pSics);
   } else if(strcmp(argv[1],"writezipped") == 0){
     /*--------- writezipped */
     if(argc < 3){
diff --git a/stdscan.c b/stdscan.c
index 621f2a64..a4d38bf1 100644
--- a/stdscan.c
+++ b/stdscan.c
@@ -1119,7 +1119,10 @@ int StandardScanWrapper(SConnection *pCon, SicsInterp *pSics, void *pData,
   }
   strtolower(argv[1]);
   self = (pScanData)FindCommandData(pSics,argv[2],"ScanObject");
-  assert(self);
+  if(self == NULL){
+    SCWrite(pCon,"ERROR: scan object not found",eError);
+    return 0;
+  }
 
   if(strcmp(argv[1],"writeheader") == 0){
     return WriteHeader(self);