A axis origin in Rotary mode

src/pug/templates/control-view.pug

@@ -110,7 +110,7 @@ script#control-view-template(type="text/x-template")
                   | A-
               
               td(style="height:100px", align="center", colspan="1")
-                button()
+                button(@click="showMoveToZeroDialog('a')")
                   | A
                   br
                   | Origin

src/svelte-components/src/dialogs/DialogHost.svelte

@@ -56,7 +56,7 @@
     const MoveToZeroDialogProps = writable<MoveToZeroDialogPropsType>();
     type MoveToZeroDialogPropsType = {
         open: boolean;
-        axes: "xy" | "z";
+        axes: "xy" | "z" | "a";
     };
 
     const ShutdownDialogProps = writable<ShutdownDialogPropsType>();

src/svelte-components/src/dialogs/MoveToZeroDialog.svelte

@@ -4,7 +4,7 @@
     import { ControllerMethods } from "$lib/RegisterControllerMethods";
 
     export let open;
-    export let axes: "xy" | "z";
+    export let axes: "xy" | "z" | "a";
 </script>
 
 <Dialog

src/svelte-components/src/lib/RegisterControllerMethods.ts

@@ -9,7 +9,7 @@ interface RegisterableControllerMethods {
 }
 
 interface ControllerMethods extends RegisterableControllerMethods {
-    gotoZero: (axes: "xy" | "z") => void;
+    gotoZero: (axes: "xy" | "z" | "a") => void;
 }
 
 export let ControllerMethods: ControllerMethods;
@@ -22,7 +22,7 @@ export function registerControllerMethods(methods: Partial<RegisterableControlle
     };
 }
 
-function gotoZero(axes: "xy" | "z") {
+function gotoZero(axes: "xy" | "z" | "a") {
     let axesClause = "";
     switch (axes.toLowerCase()) {
         case "xy":
@@ -33,6 +33,10 @@ function gotoZero(axes: "xy" | "z") {
             axesClause = "Z0";
             break;
         
+        case "a":
+            axesClause = "A0";
+            break;
+
         default:
             throw new Error(`Invalid axes: ${axes}`);
     }