diff --git a/test/test-singlestep1.js b/test/test-singlestep1.js
new file mode 100644
index 0000000..977cb57
--- /dev/null
+++ b/test/test-singlestep1.js
@@ -0,0 +1,72 @@
+// Remote single stepping using RPC (worker)
+// jamsh test-singlestep1.js -- 9001 
+// 9002 9003 ...
+
+var N = 1000, C= 10000,  verbose=0;
+function ac(options) {
+  this.options=options;
+  this.sensor=null;
+  this.loops=options.loops;
+  this.act = {
+    start: function () {
+      log('Starting .. '+this.options.msg)
+    },
+    percept: function () {
+      rd.try(0,['SENSOR',_],function (t) {
+        if (t) this.sensor=t[1];
+      })
+    },
+    action : function () {
+      if (this.options.verbose || (this.loops%1000)==0) log(this.loops,this.sensor);
+    },
+    stop: function () {
+      log('Terminating ..')
+      kill()
+    }
+  }
+  
+  this.trans = {
+    start:"percept",
+    percept: function () { 
+      if (this.sensor!=null) return "action";
+      else return "stop";
+    },
+    action: function () {
+      return (this.loops--)==0?"stop":"percept";
+    },
+  }
+  this.next="start";
+}
+var sensor = 0;
+provider(function (pat) {
+  switch (pat[0]) {
+    case 'SENSOR':
+      return [pat[0],sensor];
+      break;
+  }
+});
+var agents=[];
+for(var i=0;i<N;i++) {
+  var ag = create(ac,{
+    loops:C,
+    msg:'with pace '+i,
+    verbose:0
+  },2);
+  agents.push(ag);
+}
+
+Rpc.getreq('udp://localhost:'+(args[0]||9000),function (req,src) {
+  switch (req.command) {
+    case 'step':
+      if (verbose) log('Step')
+      step(1,true);
+      return {status:'Ok'}
+      break;
+    case 'sensor':
+      sensor = req.value;
+      break;
+  }
+},{verbose:1})
+
+start0();
+