Add audio, fix timing

src/main.rs

@@ -3,10 +3,11 @@ use std::{path::PathBuf, thread};
 use anyhow::Result;
 use app::App;
 use clap::Parser;
-use emulator::Emulator;
+use emulator::EmulatorBuilder;
 use winit::event_loop::{ControlFlow, EventLoop};
 
 mod app;
+mod audio;
 mod emulator;
 mod renderer;
 mod shrooms_vb_core;
@@ -19,9 +20,10 @@ struct Args {
 fn main() -> Result<()> {
     let args = Args::parse();
 
-    let (mut emulator, client) = Emulator::new();
-    emulator.load_rom(&args.rom)?;
+    let (builder, client) = EmulatorBuilder::new();
+    let builder = builder.with_rom(&args.rom);
     thread::spawn(move || {
+        let mut emulator = builder.build().unwrap();
         emulator.run();
     });