Cargo.lock

@@ -177,6 +177,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "175571dd1d178ced59193a6fc02dde1b972eb0bc56c892cde9beeceac5bf0f6b"
 
+[[package]]
+name = "ascii"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d92bec98840b8f03a5ff5413de5293bfcd8bf96467cf5452609f939ec6f5de16"
+
 [[package]]
 name = "ash"
 version = "0.38.0+1.3.281"
@@ -207,7 +213,7 @@ dependencies = [
  "bitflags 2.6.0",
  "cexpr",
  "clang-sys",
- "itertools",
+ "itertools 0.13.0",
  "proc-macro2",
  "quote",
  "regex",
@@ -417,6 +423,36 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1462739cb27611015575c0c11df5df7601141071f07518d56fcc1be504cbec97"
 
+[[package]]
+name = "cocoa"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6140449f97a6e97f9511815c5632d84c8aacf8ac271ad77c559218161a1373c"
+dependencies = [
+ "bitflags 1.3.2",
+ "block",
+ "cocoa-foundation",
+ "core-foundation",
+ "core-graphics",
+ "foreign-types",
+ "libc",
+ "objc",
+]
+
+[[package]]
+name = "cocoa-foundation"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c6234cbb2e4c785b456c0644748b1ac416dd045799740356f8363dfe00c93f7"
+dependencies = [
+ "bitflags 1.3.2",
+ "block",
+ "core-foundation",
+ "core-graphics-types",
+ "libc",
+ "objc",
+]
+
 [[package]]
 name = "codespan-reporting"
 version = "0.11.1"
@@ -595,6 +631,27 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c87e182de0887fd5361989c677c4e8f5000cd9491d6d563161a8f3a5519fc7f"
 
+[[package]]
+name = "dirs-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
 [[package]]
 name = "dispatch"
 version = "0.2.0"
@@ -840,6 +897,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfa686283ad6dd069f105e5ab091b04c62850d3e4cf5d67debad1933f55023df"
 
+[[package]]
+name = "home"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "imgui"
 version = "0.12.0"
@@ -903,6 +969,15 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itertools"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itertools"
 version = "0.13.0"
@@ -1105,6 +1180,29 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "native-dialog"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84e7038885d2aeab236bd60da9e159a5967b47cde3292da3b15ff1bec27c039f"
+dependencies = [
+ "ascii",
+ "block",
+ "cocoa",
+ "core-foundation",
+ "dirs-next",
+ "objc",
+ "objc-foundation",
+ "objc_id",
+ "once_cell",
+ "raw-window-handle 0.5.2",
+ "thiserror",
+ "versions",
+ "wfd",
+ "which",
+ "winapi",
+]
+
 [[package]]
 name = "ndk"
 version = "0.8.0"
@@ -1130,7 +1228,7 @@ dependencies = [
  "log",
  "ndk-sys 0.6.0+11769913",
  "num_enum",
- "raw-window-handle",
+ "raw-window-handle 0.6.2",
  "thiserror",
 ]
 
@@ -1236,6 +1334,17 @@ dependencies = [
  "malloc_buf",
 ]
 
+[[package]]
+name = "objc-foundation"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1add1b659e36c9607c7aab864a76c7a4c2760cd0cd2e120f3fb8b952c7e22bf9"
+dependencies = [
+ "block",
+ "objc",
+ "objc_id",
+]
+
 [[package]]
 name = "objc-sys"
 version = "0.3.5"
@@ -1439,6 +1548,15 @@ dependencies = [
  "objc2-foundation",
 ]
 
+[[package]]
+name = "objc_id"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c92d4ddb4bd7b50d730c215ff871754d0da6b2178849f8a2a2ab69712d0c073b"
+dependencies = [
+ "objc",
+]
+
 [[package]]
 name = "oboe"
 version = "0.6.1"
@@ -1637,6 +1755,12 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8a99fddc9f0ba0a85884b8d14e3592853e787d581ca1816c91349b10e4eeab"
 
+[[package]]
+name = "raw-window-handle"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2ff9a1f06a88b01621b7ae906ef0211290d1c8a168a15542486a8f61c0833b9"
+
 [[package]]
 name = "raw-window-handle"
 version = "0.6.2"
@@ -1670,6 +1794,17 @@ dependencies = [
  "bitflags 2.6.0",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
+dependencies = [
+ "getrandom",
+ "libredox",
+ "thiserror",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.1"
@@ -1829,7 +1964,8 @@ dependencies = [
  "imgui",
  "imgui-wgpu",
  "imgui-winit-support",
- "itertools",
+ "itertools 0.13.0",
+ "native-dialog",
  "num-derive",
  "num-traits",
  "pollster",
@@ -2091,6 +2227,16 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
+[[package]]
+name = "versions"
+version = "5.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c73a36bc44e3039f51fbee93e39f41225f6b17b380eb70cc2aab942df06b34dd"
+dependencies = [
+ "itertools 0.11.0",
+ "nom",
+]
+
 [[package]]
 name = "walkdir"
 version = "2.5.0"
@@ -2303,6 +2449,16 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "wfd"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e713040b67aae5bf1a0ae3e1ebba8cc29ab2b90da9aa1bff6e09031a8a41d7a8"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "wgpu"
 version = "22.1.0"
@@ -2317,7 +2473,7 @@ dependencies = [
  "naga",
  "parking_lot",
  "profiling",
- "raw-window-handle",
+ "raw-window-handle 0.6.2",
  "smallvec",
  "static_assertions",
  "wasm-bindgen",
@@ -2345,7 +2501,7 @@ dependencies = [
  "once_cell",
  "parking_lot",
  "profiling",
- "raw-window-handle",
+ "raw-window-handle 0.6.2",
  "rustc-hash",
  "smallvec",
  "thiserror",
@@ -2387,7 +2543,7 @@ dependencies = [
  "parking_lot",
  "profiling",
  "range-alloc",
- "raw-window-handle",
+ "raw-window-handle 0.6.2",
  "renderdoc-sys",
  "rustc-hash",
  "smallvec",
@@ -2409,6 +2565,18 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix",
+]
+
 [[package]]
 name = "widestring"
 version = "1.1.0"
@@ -2729,7 +2897,7 @@ dependencies = [
  "orbclient",
  "percent-encoding",
  "pin-project",
- "raw-window-handle",
+ "raw-window-handle 0.6.2",
  "redox_syscall 0.4.1",
  "rustix",
  "sctk-adwaita",

Cargo.toml

@@ -12,6 +12,7 @@ imgui = "0.12"
 imgui-wgpu = { git = "https://github.com/Yatekii/imgui-wgpu-rs", rev = "2edd348" }
 imgui-winit-support = "0.13"
 itertools = "0.13"
+native-dialog = "0.7"
 num-derive = "0.4"
 num-traits = "0.2"
 pollster = "0.4"

src/app.rs

@@ -350,18 +350,28 @@ impl ApplicationHandler for App {
                     height = ui.window_size()[1];
                     ui.menu("ROM", || {
                         if ui.menu_item("Open ROM") {
-                            println!("clicked");
+                            let rom = native_dialog::FileDialog::new()
+                                .add_filter("Virtual Boy ROMs", &["vb", "vbrom"])
+                                .show_open_single_file()
+                                .unwrap();
+                            if let Some(path) = rom {
+                                self.client.send_command(EmulatorCommand::LoadGame(path));
+                            }
                         }
                         if ui.menu_item("Quit") {
                             event_loop.exit();
                         }
                     });
                     ui.menu("Emulation", || {
-                        if ui.menu_item("Pause") {
+                        if self.client.is_running() {
-                            println!("clicked");
+                            if ui.menu_item("Pause") {
+                                self.client.send_command(EmulatorCommand::Pause);
+                            }
+                        } else if ui.menu_item("Resume") {
+                            self.client.send_command(EmulatorCommand::Resume);
                         }
                         if ui.menu_item("Reset") {
-                            println!("clicked");
+                            self.client.send_command(EmulatorCommand::Reset);
                         }
                     });
                 });

src/emulator.rs

@@ -1,7 +1,11 @@
 use std::{
     fs,
     path::{Path, PathBuf},
-    sync::mpsc::{self, TryRecvError},
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        mpsc::{self, TryRecvError},
+        Arc,
+    },
 };
 
 use anyhow::Result;
@@ -11,6 +15,7 @@ use crate::{audio::Audio, renderer::GameRenderer, shrooms_vb_core::CoreVB};
 pub struct EmulatorBuilder {
     rom: Option<PathBuf>,
     commands: mpsc::Receiver<EmulatorCommand>,
+    running: Arc<AtomicBool>,
 }
 
 impl EmulatorBuilder {
@@ -19,8 +24,12 @@ impl EmulatorBuilder {
         let builder = Self {
             rom: None,
             commands,
+            running: Arc::new(AtomicBool::new(false)),
+        };
+        let client = EmulatorClient {
+            queue,
+            running: builder.running.clone(),
         };
-        let client = EmulatorClient { queue };
         (builder, client)
     }
 
@@ -32,7 +41,7 @@ impl EmulatorBuilder {
     }
 
     pub fn build(self) -> Result<Emulator> {
-        let mut emulator = Emulator::new(self.commands)?;
+        let mut emulator = Emulator::new(self.commands, self.running)?;
         if let Some(path) = self.rom {
             emulator.load_rom(&path)?;
         }
@@ -45,21 +54,28 @@ pub struct Emulator {
     audio: Audio,
     commands: mpsc::Receiver<EmulatorCommand>,
     renderer: Option<GameRenderer>,
+    running: Arc<AtomicBool>,
+    has_game: bool,
 }
 
 impl Emulator {
-    fn new(commands: mpsc::Receiver<EmulatorCommand>) -> Result<Self> {
+    fn new(commands: mpsc::Receiver<EmulatorCommand>, running: Arc<AtomicBool>) -> Result<Self> {
         Ok(Self {
             sim: CoreVB::new(),
             audio: Audio::init()?,
             commands,
             renderer: None,
+            running,
+            has_game: false,
         })
     }
 
     pub fn load_rom(&mut self, path: &Path) -> Result<()> {
         let bytes = fs::read(path)?;
+        self.sim.reset();
         self.sim.load_rom(bytes)?;
+        self.has_game = true;
+        self.running.store(true, Ordering::Release);
         Ok(())
     }
 
@@ -67,7 +83,9 @@ impl Emulator {
         let mut eye_contents = vec![0u8; 384 * 224 * 2];
         let mut audio_samples = vec![];
         loop {
-            self.sim.emulate_frame();
+            if self.running.load(Ordering::Acquire) {
+                self.sim.emulate_frame();
+            }
             if let Some(renderer) = &mut self.renderer {
                 if self.sim.read_pixels(&mut eye_contents) {
                     renderer.render(&eye_contents);
@@ -97,6 +115,23 @@ impl Emulator {
             EmulatorCommand::SetRenderer(renderer) => {
                 self.renderer = Some(renderer);
             }
+            EmulatorCommand::LoadGame(path) => {
+                if let Err(error) = self.load_rom(&path) {
+                    eprintln!("error loading rom: {}", error);
+                }
+            }
+            EmulatorCommand::Pause => {
+                self.running.store(false, Ordering::Release);
+            }
+            EmulatorCommand::Resume => {
+                if self.has_game {
+                    self.running.store(true, Ordering::Relaxed);
+                }
+            }
+            EmulatorCommand::Reset => {
+                self.sim.reset();
+                self.running.store(true, Ordering::Release);
+            }
             EmulatorCommand::PressStart => {
                 self.sim.set_keys(0x1003);
             }
@@ -110,15 +145,23 @@ impl Emulator {
 #[derive(Debug)]
 pub enum EmulatorCommand {
     SetRenderer(GameRenderer),
+    LoadGame(PathBuf),
+    Pause,
+    Resume,
+    Reset,
     PressStart,
     ReleaseStart,
 }
 
 pub struct EmulatorClient {
     queue: mpsc::Sender<EmulatorCommand>,
+    running: Arc<AtomicBool>,
 }
 
 impl EmulatorClient {
+    pub fn is_running(&self) -> bool {
+        self.running.load(Ordering::Acquire)
+    }
     pub fn send_command(&self, command: EmulatorCommand) {
         if let Err(err) = self.queue.send(command) {
             eprintln!(

src/main.rs

@@ -1,4 +1,4 @@
-use std::{path::PathBuf, thread};
+use std::{path::PathBuf, process, thread};
 
 use anyhow::Result;
 use app::App;
@@ -14,16 +14,24 @@ mod shrooms_vb_core;
 
 #[derive(Parser)]
 struct Args {
-    rom: PathBuf,
+    rom: Option<PathBuf>,
 }
 
 fn main() -> Result<()> {
     let args = Args::parse();
 
-    let (builder, client) = EmulatorBuilder::new();
+    let (mut builder, client) = EmulatorBuilder::new();
-    let builder = builder.with_rom(&args.rom);
+    if let Some(path) = args.rom {
+        builder = builder.with_rom(&path);
+    }
     thread::spawn(move || {
-        let mut emulator = builder.build().unwrap();
+        let mut emulator = match builder.build() {
+            Ok(e) => e,
+            Err(err) => {
+                eprintln!("Error initializing emulator: {err}");
+                process::exit(1);
+            }
+        };
         emulator.run();
     });
 

src/shrooms_vb_core.rs

@@ -119,6 +119,10 @@ impl CoreVB {
         CoreVB { sim }
     }
 
+    pub fn reset(&mut self) {
+        unsafe { vb_reset(self.sim) };
+    }
+
     pub fn load_rom(&mut self, rom: Vec<u8>) -> Result<()> {
         self.unload_rom();