Initialize audio thread in UI init function

src/main.rs

@@ -7,9 +7,9 @@ mod window;
 mod state;
 mod option_window;
 
-use std::{collections::HashMap, sync::mpsc::Sender};
+use std::collections::HashMap;
 
-use audio::{AudioMessage, AudioThread};
+use audio::AudioThread;
 use eframe::{
     egui::{self, menu, Button, Ui},
     NativeOptions,
@@ -25,11 +25,10 @@ use crate::frontpanel::Frontpanel;
 
 fn main() -> Result<(), eframe::Error> {
     env_logger::init();
-    let audio_tx = AudioThread::init();
     eframe::run_native(
         "Altair 8800 Emulator",
         NativeOptions::default(),
-        Box::new(|cc| Box::new(AltairEmulator::new(cc, audio_tx))),
+        Box::new(|cc| Box::new(AltairEmulator::new(cc))),
     )
 }
 
@@ -59,7 +58,8 @@ struct AltairEmulator {
 
 
 impl AltairEmulator {
-    fn new(cc: &eframe::CreationContext<'_>, audio_tx: Sender<AudioMessage>) -> Self {
+    fn new(cc: &eframe::CreationContext<'_>) -> Self {
+        let audio_tx = AudioThread::init();
         let options = if cc.storage.unwrap().get_string("options").is_none() {
            Options::default() 
         } else {