diff --git a/chipsim.js b/chipsim.js
index ffa0f30..2156a90 100644
--- a/chipsim.js
+++ b/chipsim.js
@@ -35,7 +35,7 @@ function recalcNodeList(list){
 		list = recalclist;
 		recalclist = new Array();
 	}
-	console.log(n,'looping...');
+	if(ctrace) console.log(n,'looping...');
 }
 
 function recalcNode(node, recalclist){
@@ -131,7 +131,7 @@ function getNodeValue(group){
 		if((n.state=='fl')&&(flstate==undefined)) flstate = 'fl';
 		if(n.state=='fh') flstate = 'fh';
 	}
-	if(flstate==undefined) console.log(group);
+	if(flstate==undefined && ctrace) console.log(group);
 	return flstate;
 }
 
diff --git a/macros.js b/macros.js
index dcba25e..2526c18 100644
--- a/macros.js
+++ b/macros.js
@@ -104,7 +104,7 @@ function initChip(){
 	cycle = 0;
 	trace = Array();
 	chipStatus();
-	console.log('initChip done after', now()-start);
+	if(ctrace)console.log('initChip done after', now()-start);
 }
 
 function step(){
@@ -275,7 +275,7 @@ function chipStatus(){
                 ' clearIR:' + readBit('clearIR') +
                 ' D1x1:'    + readBit('D1x1');
         setStatus(machine1 + "<br>" + machine2);
-	if (loglevel>2) {
+	if (loglevel>2 && ctrace) {
 		console.log(machine1 + " " + machine2 + " " + machine3 + " " + machine4 + " " + machine5);
 	}
 	selectCell(ab);
diff --git a/wires.js b/wires.js
index f5b8a28..eac5040 100644
--- a/wires.js
+++ b/wires.js
@@ -115,7 +115,6 @@ function setupLayerVisibility(){
 }
 
 function setupBackground(){
-	console.log('starting setupBackground');
 	chipbg = document.getElementById('chipbg');
 	chipbg.width = 4000;
 	chipbg.height = 4000;