Split EmuState creation to dedicated new function

src/main.rs

@@ -70,6 +70,20 @@ struct EmuState {
 }
 
 impl EmuState {
+    fn new(audio_tx: Sender<AudioMessage>, options: Options) -> Self {
+        let mut mem = [0; 65536];
+        rand::thread_rng().fill_bytes(&mut mem);
+        let mut slf = EmuState {
+            mem,
+            cpu: I8080::new(),
+            running: false,
+            audio_tx,
+            options,
+            fp_state: FrontpanelState::new()
+        };
+        slf.apply_options();
+        slf
+    }
     fn handle_fp_interaction(&mut self, interaction: FrontpanelInteraction) {
         self.audio_tx.send(AudioMessage::PlaySwitchClick).unwrap();
         match interaction {
@@ -192,6 +206,9 @@ impl EmuState {
 
     fn update_options(&mut self, new_opts: Options) {
         self.options = new_opts;
+        self.apply_options();
+    }
+    fn apply_options(&mut self) {
         if self.options.mute {
             self.audio_tx.send(AudioMessage::SetVolume(0.0)).unwrap();
         } else {
@@ -218,26 +235,9 @@ impl AltairEmulator {
         } else {
             eframe::get_value(cc.storage.unwrap(), "options").unwrap()
         };
-        if options.mute {
-            audio_tx.send(AudioMessage::SetVolume(0.0)).unwrap();
-        } else {
-            audio_tx
-                .send(AudioMessage::SetVolume(options.volume))
-                .unwrap();
-        }
-        let mut mem = [0; 65536];
-        let cpu = I8080::new();
-        rand::thread_rng().fill_bytes(&mut mem);
         Self {
             textures: Textures::new(&cc.egui_ctx),
-            state: EmuState {
+            state: EmuState::new(audio_tx, options),
-                mem,
-                cpu,
-                running: false,
-                audio_tx,
-                options,
-                fp_state: FrontpanelState::new(),
-            },
             windows: HashMap::new(),
         }
     }