diff --git a/src/core/lib/Colossus.mjs b/src/core/lib/Colossus.mjs
index d25d3285..da6829e7 100644
--- a/src/core/lib/Colossus.mjs
+++ b/src/core/lib/Colossus.mjs
@@ -61,6 +61,8 @@ export class ColossusComputer {
 
         this.rotorPtrs = {};
 
+        this.totalmotor = 0;
+
     }
 
     /**
@@ -98,13 +100,17 @@ export class ColossusComputer {
             var slowRef = "00";
             if (fast !== "") fastRef = this.leftPad(this.rotorPtrs[fast],2);
             if (slow !== "") slowRef = this.leftPad(this.rotorPtrs[slow],2);
-            result.printout += fastRef + " " + slowRef + " : ";
+            var printline = '';
             for (let c=0;c<5;c++) {
                 if (this.allCounters[c] > this.settotal) {
-                    result.printout += String.fromCharCode(c+97) + this.allCounters[c]+" ";
+                    printline += String.fromCharCode(c+97) + this.allCounters[c]+" ";
                 }
             }
-            result.printout += "\n";
+            if (printline !== "") {
+                result.printout += fastRef + " " + slowRef + " : ";
+                result.printout += printline;
+                result.printout += "\n";
+            }            
 
             // Step fast rotor if required
             if (fast != '') {
@@ -193,17 +199,17 @@ export class ColossusComputer {
         //console.log(this.Mptr);
         //console.log(this.rings.M[2]);
         const basicmotor = this.rings.M[2][this.Mptr[0]-1];
-        let totalmotor = basicmotor;
+        this.totalmotor = basicmotor;
 
         if (x2sw || s1sw) {
             if (basicmotor===0 && lim===1) {
-                totalmotor = 0;
+                this.totalmotor = 0;
             } else {
-                totalmotor = 1;
+                this.totalmotor = 1;
             }
         }
 
-        //console.log('BM='+basicmotor+', TM='+totalmotor);
+        //console.log('BM='+basicmotor+', TM='+this.totalmotor);
 
         // Step Chi rotors
         for (let r=0; r<5; r++) {
@@ -211,7 +217,7 @@ export class ColossusComputer {
             if (this.Xptr[r] > ROTOR_SIZES["X"+(r+1)]) this.Xptr[r] = 1;
         }
 
-        if (totalmotor) {
+        if (this.totalmotor) {
             //console.log('step Psi');
             // Step Psi rotors
             for (let r=0; r<5; r++) {
@@ -346,7 +352,10 @@ export class ColossusComputer {
         for (let c=0;c<5;c++) {
             if (this.qbusswitches.condNegateAll) cnt[c] = !cnt[c];
 
-            if (cnt[c]==1) this.allCounters[c]++;  
+            if (this.qbusswitches.totalMotor === "" || (this.qbusswitches.totalMotor === "x" && this.totalmotor == 0) || (this.qbusswitches.totalMotor === "." && this.totalmotor == 1)) {
+                if (cnt[c]==1) this.allCounters[c]++;  
+            }
+            
         }
 
     }
diff --git a/src/core/operations/Colossus.mjs b/src/core/operations/Colossus.mjs
index 09160f38..46f0451e 100644
--- a/src/core/operations/Colossus.mjs
+++ b/src/core/operations/Colossus.mjs
@@ -87,7 +87,7 @@ class Colossus extends Operation {
             {
                 name: "Program to run",
                 type: "option",
-                value: ["", "1+2=. (1+2 Break In, Find X1,X2)", "4=3=/1=2 (Given X1,X2 find X4,X5)", "/,5,U (Count chars to find X3)"]
+                value: ["", "Letter Count", "1+2=. (1+2 Break In, Find X1,X2)", "4=3=/1=2 (Given X1,X2 find X4,X5)", "/,5,U (Count chars to find X3)"]
             },
             {
                 name: "K Rack: Conditional",
@@ -241,7 +241,8 @@ class Colossus extends Operation {
             {
                 name: "Add-Equals",
                 type: "editableOptionShort",
-                value: SWITCHES
+                value: SWITCHES,
+                defaultIndex: 1
             },
             {
                 name: "Add-Counter1",
@@ -253,7 +254,9 @@ class Colossus extends Operation {
             },
             {
                 name: "Total Motor",
-                type: "boolean"
+                type: "editableOptionShort",
+                value: SWITCHES,
+                defaultIndex: 1
             },
             {
                 name: "Master Control Panel",
@@ -411,8 +414,27 @@ class Colossus extends Operation {
      */
     selectProgram(progname, args) {
 
+        // Basic Letter Count
+        if (progname == "Letter Count") {
+            // Set Conditional R1 : count every character into counter 1
+            args[9] = "";
+            args[10] = "";
+            args[11] = "";
+            args[12] = "";
+            args[13] = "";
+            args[14] = false;
+            args[15] = "1";
+            // clear Conditional R2 & R3
+            args[22] = "";
+            args[29] = "";
+            // Clear Negate result
+            args[30] = false;
+            // Clear Addition row counter
+            args[38] = false;
+        }
+
         // Bill Tutte's 1+2 Break In
-        if(progname == "1+2=. (1+2 Break In, Find X1,X2)") {
+        if (progname == "1+2=. (1+2 Break In, Find X1,X2)") {
             // Clear any other counters
             args[15] = ""; // Conditional R1
             args[22] = ""; // Conditional R2
@@ -428,7 +450,7 @@ class Colossus extends Operation {
         }
 
         // 4=3=/1=2 : Find X4 & X5 where X1 & X2 are known
-        if(progname == "4=3=/1=2 (Given X1,X2 find X4,X5)") {
+        if (progname == "4=3=/1=2 (Given X1,X2 find X4,X5)") {
             // Set Conditional R1 : Match NOT ..?.. into counter 1
             args[9] = ".";
             args[10] = ".";
@@ -454,7 +476,7 @@ class Colossus extends Operation {
         }
 
         // /,5,U : Count number of matches of /, 5 & U to find X3
-        if(progname == "/,5,U (Count chars to find X3)") {
+        if (progname == "/,5,U (Count chars to find X3)") {
             // Set Conditional R1 : Match / char, ITA2 = ..... into counter 1
             args[9] = ".";
             args[10] = ".";