Don't use wgpu

* LTO2

* more

.cargo/config.toml

@@ -1,5 +1,15 @@
+[target.'cfg(not(target_os = "windows"))']
+rustflags = ["-C", "linker=clang", "-C", "link-arg=-fuse-ld=lld"]
+
+[target.'cfg(target_os = "windows")']
+rustflags = ["-C", "linker=lld-link", "-C", "link-arg=-fuse-ld=lld-link"]
+
 [target.'cfg(target_arch = "x86_64")']
 rustflags = ["-C", "target-cpu=x86-64-v3"]
 
 [target.'cfg(target_arch = "aarch64")']
 rustflags = ["-C", "target-cpu=cortex-a76"]
+
+[env]
+CC = "clang"
+CXX = "clang++"

.github/workflows/build.yml

@@ -1,4 +1,6 @@
 name: Rust
+permissions:
+  contents: read
 
 on:
   push:
@@ -8,6 +10,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  LLVM_VERSION: "20.1"
 
 jobs:
   build-linux:
@@ -31,17 +34,21 @@ jobs:
           target: ${{ matrix.target }}
           rustflags: ""
       - name: Install SDL Dependencies
-        # https://wiki.libsdl.org/SDL3/README/linux#build-dependencies
+        # https://wiki.libsdl.org/SDL3/README-linux#build-dependencies
         uses: awalsh128/cache-apt-pkgs-action@v1
         with:
           packages: build-essential git make \
             pkg-config cmake ninja-build gnome-desktop-testing libasound2-dev libpulse-dev \
             libaudio-dev libjack-dev libsndio-dev libx11-dev libxext-dev \
-            libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev \
+            libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev libxtst-dev \
             libxkbcommon-dev libdrm-dev libgbm-dev libgl1-mesa-dev libgles2-mesa-dev \
             libegl1-mesa-dev libdbus-1-dev libibus-1.0-dev libudev-dev fcitx-libs-dev \
             libpipewire-0.3-dev libwayland-dev libdecor-0-dev liburing-dev
           version: ${{ matrix.target }}-1.0
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v2
+        with:
+          version: "${{ env.LLVM_VERSION }}"
       - name: Build
         run: |
           cargo build --release -v --target=${{ matrix.target }}
@@ -54,13 +61,17 @@ jobs:
           path: output/gopher64-${{ matrix.arch }}
 
   build-windows:
-    runs-on: windows-2025
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         include:
-          - target: x86_64-pc-windows-msvc
+          - os: windows-2025
+            target: x86_64-pc-windows-msvc
             arch: windows-x86_64
+          #- os: windows-11-arm
+          #  target: aarch64-pc-windows-msvc
+          #  arch: windows-aarch64
     steps:
       - uses: actions/checkout@v4
         with:
@@ -69,11 +80,19 @@ jobs:
         with:
           target: ${{ matrix.target }}
           rustflags: ""
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v2
+        with:
+          version: "${{ env.LLVM_VERSION }}"
       - name: Build
         run: |
           cargo build --release -v --target=${{ matrix.target }}
           mkdir output
           cp target/${{ matrix.target }}/release/gopher64.exe output/gopher64-${{ matrix.arch }}.exe
+        env:
+          CC: clang-cl
+          CXX: clang-cl
+          AR: llvm-lib
       - name: Upload file
         uses: actions/upload-artifact@v4
         with:
@@ -81,7 +100,8 @@ jobs:
           path: output/gopher64-${{ matrix.arch }}.exe
 
   build-macos:
-    runs-on: macos-14
+    if: false
+    runs-on: macos-15
     strategy:
       fail-fast: false
       matrix:

.github/workflows/lint.yml

@@ -6,8 +6,12 @@ on:
   pull_request:
     branches: ["main"]
 
+permissions:
+  contents: read
+
 env:
   CARGO_TERM_COLOR: always
+  LLVM_VERSION: "20.1"
 
 jobs:
   lint-linux:
@@ -20,17 +24,21 @@ jobs:
         with:
           components: clippy, rustfmt
       - name: Install SDL Dependencies
-        # https://wiki.libsdl.org/SDL3/README/linux#build-dependencies
+        # https://wiki.libsdl.org/SDL3/README-linux#build-dependencies
         uses: awalsh128/cache-apt-pkgs-action@v1
         with:
           packages: build-essential git make \
             pkg-config cmake ninja-build gnome-desktop-testing libasound2-dev libpulse-dev \
             libaudio-dev libjack-dev libsndio-dev libx11-dev libxext-dev \
-            libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev \
+            libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev libxtst-dev \
             libxkbcommon-dev libdrm-dev libgbm-dev libgl1-mesa-dev libgles2-mesa-dev \
             libegl1-mesa-dev libdbus-1-dev libibus-1.0-dev libudev-dev fcitx-libs-dev \
             libpipewire-0.3-dev libwayland-dev libdecor-0-dev liburing-dev
           version: lint-1.0
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v2
+        with:
+          version: "${{ env.LLVM_VERSION }}"
       - name: Rustfmt Check
         uses: actions-rust-lang/rustfmt@v1
       - name: Lint

.gitignore

@@ -9,7 +9,7 @@ target/
 # MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
 
-
+.vscode/settings.json
 # Added by cargo
 
 /target

Cargo.toml

@@ -1,32 +1,34 @@
 [package]
 name = "gopher64"
-version = "1.0.16"
+version = "1.0.20"
 edition = "2024"
-rust-version = "1.85"
+rust-version = "1.88"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 dirs = "6.0"
-zip = "2.6"
+zip = "4.2"
 governor = "0.10"
-sevenz-rust2 = { version = "0.13.0", default-features = false }
+sevenz-rust2 = { version = "0.16", default-features = false }
 chrono = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde-big-array = "0.5"
-eframe = { version = "0.31", default-features = false, features = ["wayland", "x11", "glow"] }
+slint = { version = "1.12", default-features = false, features = ["compat-1-2", "std", "backend-winit", "renderer-femtovg"] }
+open = "5.3"
 sha2 = "0.10"
 ab_glyph = "0.2"
-sdl3-sys = { version = "0.4", features = ["build-from-source-static"] }
+sdl3-sys = { version = "0.5", features = ["build-from-source-static"] }
 rfd = { version = "0.15", default-features = false, features = ["xdg-portal", "tokio"] }
-tokio = {version = "1.43", features = ["rt-multi-thread", "macros"] }
+tokio = {version = "1.46", features = ["rt-multi-thread", "macros"] }
 spin_sleep = "1.3"
 encoding_rs = "0.8"
 mimalloc = "0.1"
 regex = "1.11"
-tungstenite = "0.26"
-socket2 = "0.5"
+tokio-tungstenite = "0.27"
+futures = "0.3"
+socket2 = { version = "0.6", features = ["all"] }
 rand_chacha = "0.9"
 fatfs = "0.3"
 semver = "1.0"
@@ -36,10 +38,10 @@ reqwest = { version = "0.12", default-features = false, features = ["http2","rus
 
 [build-dependencies]
 winresource = "0.1"
-bindgen = "0.71"
+bindgen = "0.72"
+slint-build = "1.12"
 cc = { version = "1.2", features = ["parallel"] }
 
 [profile.release]
-codegen-units = 1
-strip = true
 panic = "abort"
+lto = "thin"

README.md

@@ -1,7 +1,9 @@
 # gopher64
 ## download
 
-https://github.com/gopher64/gopher64/releases
+Windows: https://github.com/gopher64/gopher64/releases/latest/download/gopher64-windows-x86_64.exe
+
+Linux: https://github.com/gopher64/gopher64/releases/latest/download/gopher64-linux-x86_64
 
 ## wiki
 
@@ -43,7 +45,7 @@ flatpak run --filesystem=host:ro io.github.gopher64.gopher64 /path/to/rom.z64
 
 ## building and usage
 
-1. Linux only: install the SDL3 dependencies: https://wiki.libsdl.org/SDL3/README/linux
+1. Linux only: install the SDL3 dependencies: https://wiki.libsdl.org/SDL3/README-linux#build-dependencies
 2. Install rust: https://www.rust-lang.org/tools/install
 3. `git clone --recursive https://github.com/gopher64/gopher64.git`
 4. `cd gopher64`

build.rs

@@ -2,12 +2,14 @@ fn main() {
     println!("cargo::rerun-if-changed=parallel-rdp");
     println!("cargo::rerun-if-changed=src/compat");
 
+    let slint_config = slint_build::CompilerConfiguration::new().with_style("cosmic".into());
+    slint_build::compile_with_config("src/ui/gui/appwindow.slint", slint_config).unwrap();
+
     let mut simd_build = cc::Build::new();
-    let mut build = cc::Build::new();
-    build
+    let mut rdp_build = cc::Build::new();
+    rdp_build
         .cpp(true)
         .warnings(false)
-        .std("c++17")
         .file("parallel-rdp/parallel-rdp-standalone/parallel-rdp/command_ring.cpp")
         .file("parallel-rdp/parallel-rdp-standalone/parallel-rdp/rdp_device.cpp")
         .file("parallel-rdp/parallel-rdp-standalone/parallel-rdp/rdp_dump_write.cpp")
@@ -59,43 +61,28 @@ fn main() {
 
     let os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();
     let arch = std::env::var("CARGO_CFG_TARGET_ARCH").unwrap();
-    let env = std::env::var("CARGO_CFG_TARGET_ENV").unwrap();
+    let profile = std::env::var("PROFILE").unwrap();
+    if arch == "x86_64" {
+        rdp_build.flag("-march=x86-64-v3");
+    } else if arch == "aarch64" {
+        rdp_build.flag("-march=armv8.2-a");
+        simd_build.flag("-march=armv8.2-a");
+    } else {
+        panic!("unknown arch")
+    }
     if os == "windows" {
-        if arch == "x86_64" {
-            if env == "msvc" {
-                build.flag("/arch:AVX2");
-            } else if env == "gnu" {
-                build.flag("-march=x86-64-v3");
-            } else {
-                panic!("unknown env")
-            }
-        } else if arch == "aarch64" {
-            panic!("unsupported platform")
-        } else {
-            panic!("unknown arch")
-        }
-        build.flag("-DVK_USE_PLATFORM_WIN32_KHR");
+        rdp_build.flag("-DVK_USE_PLATFORM_WIN32_KHR");
 
         winresource::WindowsResource::new()
             .set_icon("data/icon.ico")
             .compile()
             .unwrap();
-    } else if os == "linux" || os == "macos" {
-        if arch == "x86_64" {
-            build.flag("-march=x86-64-v3");
-        } else if arch == "aarch64" {
-            build.flag("-march=armv8.2-a");
-            simd_build.flag("-march=armv8.2-a");
-            simd_build.flag("-DSSE2NEON_SUPPRESS_WARNINGS");
-            simd_build.file("src/compat/aarch64.c");
-        } else {
-            panic!("unknown arch")
-        }
-    } else {
-        panic!("unknown OS")
     }
 
-    build.compile("parallel-rdp");
+    if profile == "release" {
+        rdp_build.flag("-flto=thin");
+    }
+    rdp_build.compile("parallel-rdp");
 
     let out_path = std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap());
 
@@ -166,8 +153,13 @@ fn main() {
             .write_to_file(out_path.join("simd_bindings.rs"))
             .expect("Couldn't write bindings!");
 
+        simd_build.flag("-DSSE2NEON_SUPPRESS_WARNINGS");
+        simd_build.file("src/compat/aarch64.c");
         simd_build.file(std::env::temp_dir().join("bindgen").join("extern.c"));
         simd_build.include(".");
+        if profile == "release" {
+            simd_build.flag("-flto=thin");
+        }
         simd_build.compile("simd");
     }
 
@@ -177,7 +169,7 @@ fn main() {
         .unwrap();
 
     let git_hash = String::from_utf8(git_output.stdout).unwrap();
-    println!("cargo:rustc-env=GIT_HASH={}", git_hash);
+    println!("cargo:rustc-env=GIT_HASH={git_hash}");
 
     println!("cargo:rustc-env=N64_STACK_SIZE={}", 8 * 1024 * 1024);
 }

parallel-rdp/interface.cpp

@@ -547,6 +547,8 @@ uint64_t rdp_process_commands()
 			if (interrupt_timer == 0)
 				interrupt_timer = 5000;
 			break;
+		default:
+			break;
 		}
 
 		rdp_device.cmd_cur += cmd_length;

rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.86.0"
+channel = "1.88.0"

src/cheats.rs

@@ -0,0 +1,189 @@
+use crate::device;
+use crate::ui;
+
+#[derive(serde::Serialize, serde::Deserialize, Copy, Clone)]
+pub struct DecodedCheat {
+    code_type: u8,
+    address: u32,
+    data: u16,
+}
+
+#[derive(serde::Serialize, serde::Deserialize)]
+pub struct Cheats {
+    pub cheats: Vec<Vec<DecodedCheat>>,
+    pub boot: bool,
+    pub enabled: bool,
+}
+
+pub fn init(
+    device: &mut device::Device,
+    cheat_settings: std::collections::HashMap<String, Option<String>>,
+) {
+    let cheats =
+        serde_json::from_slice::<ui::cheats::Cheats>(include_bytes!("../data/cheats.json"))
+            .unwrap()
+            .get(&ui::storage::get_game_crc(&device.cart.rom))
+            .cloned()
+            .unwrap_or_default();
+
+    let re = regex::Regex::new(r"\?+").unwrap();
+    for cheat_setting in cheat_settings.iter() {
+        if let Some(cheat_data) = cheats.get(cheat_setting.0) {
+            let mut option_value = None;
+            if let Some(option) = cheat_setting.1 {
+                if let Some(found_option_value) = cheat_data
+                    .options
+                    .as_ref()
+                    .cloned()
+                    .unwrap_or_default()
+                    .get(option)
+                {
+                    option_value = Some(found_option_value.to_string());
+                } else {
+                    panic!("Cheat option: {option} not found");
+                }
+            }
+
+            println!(
+                "Cheat: {} Option: {}",
+                cheat_setting.0,
+                cheat_setting.1.clone().unwrap_or("none".to_string())
+            );
+            let mut decoded_cheat: Vec<DecodedCheat> = vec![];
+            for code in cheat_data.data.iter() {
+                let mut result = code.clone();
+                if let Some(option_value) = option_value.as_ref() {
+                    result = re.replace_all(code, option_value).into_owned();
+                }
+                let mut split = result.split_whitespace();
+                let first_part = u32::from_str_radix(split.next().unwrap(), 16).unwrap();
+                decoded_cheat.push(DecodedCheat {
+                    code_type: (first_part >> 24) as u8,
+                    address: first_part & 0x00FFFFFF,
+                    data: u16::from_str_radix(split.next().unwrap(), 16).unwrap(),
+                });
+            }
+            device.cheats.cheats.push(decoded_cheat);
+        } else {
+            println!("Could not find cheat: {}", cheat_setting.0);
+        }
+    }
+
+    if !device.cheats.cheats.is_empty() {
+        device.cheats.enabled = true;
+        ui::audio::play_cheat_event(&device.ui);
+    }
+}
+
+fn write_byte(device: &mut device::Device, cheat_line: &DecodedCheat) {
+    *device
+        .rdram
+        .mem
+        .get_mut(cheat_line.address as usize ^ device.byte_swap)
+        .unwrap_or(&mut 0) = cheat_line.data as u8;
+}
+
+fn write_half(device: &mut device::Device, cheat_line: &DecodedCheat) {
+    *device
+        .rdram
+        .mem
+        .get_mut(cheat_line.address as usize ^ device.byte_swap)
+        .unwrap_or(&mut 0) = (cheat_line.data >> 8) as u8;
+    *device
+        .rdram
+        .mem
+        .get_mut((cheat_line.address + 1) as usize ^ device.byte_swap)
+        .unwrap_or(&mut 0) = cheat_line.data as u8;
+}
+
+fn equal_byte(device: &mut device::Device, cheat_line: &DecodedCheat) -> bool {
+    let current_value = *device
+        .rdram
+        .mem
+        .get(cheat_line.address as usize ^ device.byte_swap)
+        .unwrap_or(&0);
+    current_value == (cheat_line.data as u8)
+}
+
+fn equal_half(device: &mut device::Device, cheat_line: &DecodedCheat) -> bool {
+    let current_value1 = *device
+        .rdram
+        .mem
+        .get(cheat_line.address as usize ^ device.byte_swap)
+        .unwrap_or(&0);
+    let current_value2 = *device
+        .rdram
+        .mem
+        .get((cheat_line.address + 1) as usize ^ device.byte_swap)
+        .unwrap_or(&0);
+    current_value1 == (cheat_line.data >> 8) as u8 && current_value2 == cheat_line.data as u8
+}
+
+pub fn execute_cheats(device: &mut device::Device, cheats: Vec<Vec<DecodedCheat>>) {
+    for cheat in cheats.iter() {
+        let mut valid = true;
+        let mut cheat_iter = cheat.iter().peekable();
+        while let Some(cheat_line) = cheat_iter.next() {
+            match cheat_line.code_type {
+                0x50 => {
+                    if valid {
+                        let mut expanded_cheat: Vec<DecodedCheat> = vec![];
+                        let compressed_cheat = *cheat_iter.peek().unwrap();
+                        let count = (cheat_line.address & 0xFF00) >> 8;
+                        let offset = cheat_line.address & 0xFF;
+                        for i in 0..count {
+                            let line = DecodedCheat {
+                                code_type: compressed_cheat.code_type,
+                                address: compressed_cheat.address + (i * offset),
+                                data: compressed_cheat.data
+                                    + (i as i16 * cheat_line.data as i16) as u16,
+                            };
+                            expanded_cheat.push(line);
+                        }
+                        execute_cheats(device, [expanded_cheat].to_vec());
+                    }
+                    valid = false; // skip the next line
+                }
+                0x80 | 0xA0 => {
+                    if valid {
+                        write_byte(device, cheat_line);
+                    }
+                    valid = true;
+                }
+                0x81 | 0xA1 => {
+                    if valid {
+                        write_half(device, cheat_line);
+                    }
+                    valid = true;
+                }
+                0xF0 => {
+                    if device.cheats.boot && valid {
+                        write_byte(device, cheat_line);
+                        valid = true;
+                    }
+                }
+                0xF1 => {
+                    if device.cheats.boot && valid {
+                        write_half(device, cheat_line);
+                        valid = true;
+                    }
+                }
+                0xD0 => {
+                    valid = equal_byte(device, cheat_line);
+                }
+                0xD1 => {
+                    valid = equal_half(device, cheat_line);
+                }
+                0xD2 => {
+                    valid = !equal_byte(device, cheat_line);
+                }
+                0xD3 => {
+                    valid = !equal_half(device, cheat_line);
+                }
+                0x88 | 0x89 | 0xD8 | 0xD9 | 0xDA | 0xDB => { /* GS button not emulated */ }
+                _ => panic!("Unknown cheat code type: {:X}", cheat_line.code_type),
+            }
+        }
+    }
+    device.cheats.boot = false;
+}

src/device.rs

@@ -12,7 +12,7 @@ use std::arch::x86_64::*;
 
 use rand_chacha::rand_core::{RngCore, SeedableRng};
 
-use crate::{netplay, ui};
+use crate::{cheats, netplay, ui};
 use std::{collections::HashMap, fs, io::Read};
 
 pub mod ai;
@@ -44,9 +44,12 @@ pub mod tlb;
 pub mod unmapped;
 pub mod vi;
 
-pub fn run_game(device: &mut Device, rom_contents: Vec<u8>, fullscreen: bool, overclock: bool) {
-    device.ui.video.fullscreen = fullscreen;
-    device.cpu.overclock = overclock;
+pub fn run_game(device: &mut Device, rom_contents: Vec<u8>, game_settings: ui::gui::GameSettings) {
+    device.ui.video.fullscreen = game_settings.fullscreen;
+    device.cpu.overclock = game_settings.overclock;
+    if game_settings.disable_expansion_pak {
+        device.rdram.size = 0x400000;
+    }
 
     init_rng(device);
 
@@ -55,13 +58,13 @@ pub fn run_game(device: &mut Device, rom_contents: Vec<u8>, fullscreen: bool, ov
     // rdram pointer is shared with parallel-rdp
     rdram::init(device);
 
-    ui::audio::init(&mut device.ui, device.ai.freq);
     ui::video::init(device);
+    ui::audio::init(&mut device.ui, device.ai.freq);
     ui::input::init(&mut device.ui);
 
     mi::init(device);
     pif::init(device);
-    if device.ui.config.input.emulate_vru {
+    if device.ui.config.input.emulate_vru && device.netplay.is_none() {
         controller::vru::init(device);
     }
     memory::init(device);
@@ -74,12 +77,14 @@ pub fn run_game(device: &mut Device, rom_contents: Vec<u8>, fullscreen: bool, ov
     ui::storage::init(&mut device.ui, &device.cart.rom);
     ui::storage::load_saves(&mut device.ui, &mut device.netplay);
 
+    cheats::init(device, game_settings.cheats);
+
     cpu::run(device);
 
-    ui::input::close(&mut device.ui);
-    ui::video::close(&device.ui);
-    ui::audio::close(&mut device.ui);
     ui::storage::write_saves(device);
+    ui::input::close(&mut device.ui);
+    ui::audio::close(&mut device.ui);
+    ui::video::close(&device.ui);
 }
 
 fn set_rng() -> rand_chacha::ChaCha8Rng {
@@ -146,12 +151,12 @@ pub fn get_rom_contents(file_path: &std::path::Path) -> Option<Vec<u8>> {
         }
     } else if file_path.extension().unwrap().eq_ignore_ascii_case("7z") {
         let mut archive =
-            sevenz_rust2::SevenZReader::open(file_path, sevenz_rust2::Password::empty()).unwrap();
+            sevenz_rust2::ArchiveReader::open(file_path, sevenz_rust2::Password::empty()).unwrap();
 
         let mut found = false;
         archive
             .for_each_entries(
-                &mut |entry: &sevenz_rust2::SevenZArchiveEntry, reader: &mut dyn std::io::Read| {
+                &mut |entry: &sevenz_rust2::ArchiveEntry, reader: &mut dyn std::io::Read| {
                     let name = entry.name().to_ascii_lowercase();
                     if !found
                         && (name.ends_with("z64") || name.ends_with("n64") || name.ends_with("v64"))
@@ -185,7 +190,7 @@ pub struct Device {
     pub netplay: Option<netplay::Netplay>,
     #[serde(skip, default = "ui::Ui::default")]
     pub ui: ui::Ui,
-    byte_swap: usize,
+    pub byte_swap: usize,
     pub save_state: bool,
     pub load_state: bool,
     pub cpu: cpu::Cpu,
@@ -206,6 +211,7 @@ pub struct Device {
     pub vru: controller::vru::Vru,
     pub vru_window: controller::vru::VruWindow,
     pub transferpaks: [controller::transferpak::TransferPak; 4],
+    pub cheats: cheats::Cheats,
 }
 
 pub fn zero_m128i() -> __m128i {
@@ -479,7 +485,6 @@ impl Device {
             vru_window: controller::vru::VruWindow {
                 window_notifier: None,
                 word_receiver: None,
-                gui_ctx: None,
             },
             vru: controller::vru::Vru {
                 status: 0,
@@ -498,6 +503,11 @@ impl Device {
                 controller::transferpak::TransferPak::default(),
                 controller::transferpak::TransferPak::default(),
             ],
+            cheats: cheats::Cheats {
+                cheats: vec![],
+                boot: true,
+                enabled: false,
+            },
         }
     }
 }

src/device/ai.rs

@@ -146,8 +146,8 @@ pub fn write_regs(device: &mut device::Device, address: u64, value: u32, mask: u
         AI_DACRATE_REG => {
             if device.ai.regs[reg as usize] != value & mask {
                 device.ai.freq = device.vi.clock / (1 + (value & mask)) as u64;
-                ui::audio::close(&mut device.ui);
-                ui::audio::init(&mut device.ui, device.ai.freq)
+                ui::audio::close_game_audio(&mut device.ui);
+                ui::audio::init_game_audio(&mut device.ui, device.ai.freq)
             }
             device::memory::masked_write_32(&mut device.ai.regs[reg as usize], value, mask)
         }

src/device/cart/rom.rs

@@ -91,7 +91,11 @@ pub fn dma_read(
         for i in 0..length {
             device.ui.storage.saves.romsave.data.insert(
                 cart_addr + i,
-                device.rdram.mem[(dram_addr + i) as usize ^ device.byte_swap],
+                *device
+                    .rdram
+                    .mem
+                    .get((dram_addr + i) as usize ^ device.byte_swap)
+                    .unwrap_or(&0),
             );
         }
         device.ui.storage.saves.romsave.written = true;
@@ -113,10 +117,17 @@ pub fn dma_write(
     let mut j = cart_addr;
     while i < dram_addr + length {
         if let Some(value) = device.ui.storage.saves.romsave.data.get(&j) {
-            device.rdram.mem[i as usize ^ device.byte_swap] = *value;
+            *device
+                .rdram
+                .mem
+                .get_mut(i as usize ^ device.byte_swap)
+                .unwrap_or(&mut 0) = *value;
         } else {
-            device.rdram.mem[i as usize ^ device.byte_swap] =
-                *device.cart.rom.get(j as usize).unwrap_or(&0);
+            *device
+                .rdram
+                .mem
+                .get_mut(i as usize ^ device.byte_swap)
+                .unwrap_or(&mut 0) = *device.cart.rom.get(j as usize).unwrap_or(&0);
         }
         i += 1;
         j += 1;

src/device/cart/sc64.rs

@@ -51,7 +51,7 @@ pub fn read_regs(
     match reg as u32 {
         SC64_SCR_REG | SC64_DATA0_REG | SC64_DATA1_REG => device.cart.sc64.regs[reg as usize],
         SC64_IDENTIFIER_REG => 0x53437632,
-        _ => panic!("unknown read reg {} address {:#x}", reg, address),
+        _ => panic!("unknown read reg {reg} address {address:#x}"),
     }
 }
 
@@ -308,8 +308,12 @@ pub fn dma_read(
     let mut i = dram_addr;
     let mut j = cart_addr;
 
-    while i < dram_addr + length && i < device.rdram.size {
-        buffer[j as usize] = device.rdram.mem[i as usize ^ device.byte_swap];
+    while i < dram_addr + length {
+        buffer[j as usize] = *device
+            .rdram
+            .mem
+            .get(i as usize ^ device.byte_swap)
+            .unwrap_or(&0);
         i += 1;
         j += 1;
     }
@@ -335,8 +339,12 @@ pub fn dma_write(
     let mut i = dram_addr;
     let mut j = cart_addr;
 
-    while i < dram_addr + length && i < device.rdram.size {
-        device.rdram.mem[i as usize ^ device.byte_swap] = buffer[j as usize];
+    while i < dram_addr + length {
+        *device
+            .rdram
+            .mem
+            .get_mut(i as usize ^ device.byte_swap)
+            .unwrap_or(&mut 0) = buffer[j as usize];
         i += 1;
         j += 1;
     }

src/device/cart/sram.rs

@@ -66,7 +66,7 @@ fn read_mem_flash(device: &device::Device, address: u64) -> u32 {
     {
         /* flashram MMIO read are not supported except for the "dummy" read @0x0000 done before DMA.
          * returns a "dummy" value. */
-        return 0;
+        0
     } else {
         /* other accesses are not implemented */
         panic!("unknown flashram read")
@@ -150,9 +150,12 @@ fn dma_read_sram(device: &mut device::Device, mut cart_addr: u32, mut dram_addr:
 
     format_sram(device);
 
-    while i < dram_addr + length && i < device.rdram.size {
-        device.ui.storage.saves.sram.data[j as usize] =
-            device.rdram.mem[i as usize ^ device.byte_swap];
+    while i < dram_addr + length {
+        device.ui.storage.saves.sram.data[j as usize] = *device
+            .rdram
+            .mem
+            .get(i as usize ^ device.byte_swap)
+            .unwrap_or(&0);
         i += 1;
         j += 1;
     }
@@ -169,8 +172,11 @@ fn dma_read_flash(device: &mut device::Device, cart_addr: u32, dram_addr: u32, l
     {
         /* load page buf using DMA */
         for i in 0..length {
-            device.cart.flashram.page_buf[i as usize] =
-                device.rdram.mem[(dram_addr + i) as usize ^ device.byte_swap];
+            device.cart.flashram.page_buf[i as usize] = *device
+                .rdram
+                .mem
+                .get((dram_addr + i) as usize ^ device.byte_swap)
+                .unwrap_or(&0);
         }
     } else {
         /* other accesses are not implemented */
@@ -206,9 +212,12 @@ fn dma_write_sram(
 
     format_sram(device);
 
-    while i < dram_addr + length && i < device.rdram.size {
-        device.rdram.mem[i as usize ^ device.byte_swap] =
-            device.ui.storage.saves.sram.data[j as usize];
+    while i < dram_addr + length {
+        *device
+            .rdram
+            .mem
+            .get_mut(i as usize ^ device.byte_swap)
+            .unwrap_or(&mut 0) = device.ui.storage.saves.sram.data[j as usize];
         i += 1;
         j += 1;
     }
@@ -227,10 +236,18 @@ fn dma_write_flash(
         && device.cart.flashram.mode == FlashramMode::ReadSiliconId
     {
         /* read Silicon ID using DMA */
-        device.rdram.mem[dram_addr as usize..dram_addr as usize + 4]
+        device
+            .rdram
+            .mem
+            .get_mut(dram_addr as usize..dram_addr as usize + 4)
+            .unwrap_or(&mut [0; 4])
             .copy_from_slice(&device.cart.flashram.silicon_id[0].to_ne_bytes());
         dram_addr += 4;
-        device.rdram.mem[dram_addr as usize..dram_addr as usize + 4]
+        device
+            .rdram
+            .mem
+            .get_mut(dram_addr as usize..dram_addr as usize + 4)
+            .unwrap_or(&mut [0; 4])
             .copy_from_slice(&device.cart.flashram.silicon_id[1].to_ne_bytes());
     } else if (cart_addr & 0x1ffff) < 0x10000
         && device.cart.flashram.mode == FlashramMode::ReadArray
@@ -250,8 +267,11 @@ fn dma_write_flash(
 
         /* do actual DMA */
         for i in 0..length {
-            device.rdram.mem[(dram_addr + i) as usize ^ device.byte_swap] =
-                device.ui.storage.saves.flash.data[(cart_addr + i) as usize];
+            *device
+                .rdram
+                .mem
+                .get_mut((dram_addr + i) as usize ^ device.byte_swap)
+                .unwrap_or(&mut 0) = device.ui.storage.saves.flash.data[(cart_addr + i) as usize];
         }
     } else {
         /* other accesses are not implemented */

src/device/controller.rs

@@ -96,7 +96,7 @@ pub fn process(device: &mut device::Device, channel: usize) {
             device.pif.channels[channel].rx_buf.unwrap(),
             channel,
         ),
-        _ => println!("unknown controller command {}", cmd),
+        _ => println!("unknown controller command {cmd}"),
     }
 }
 
@@ -111,8 +111,8 @@ fn pak_read_block(
         ((device.pif.ram[addr_acrc] as u16) << 8) | (device.pif.ram[addr_acrc + 1] & 0xe0) as u16;
     let handler = device.pif.channels[channel].pak_handler;
 
-    if handler.is_some() {
-        (handler.unwrap().read)(device, channel, address, data, PAK_CHUNK_SIZE);
+    if let Some(handler) = handler {
+        (handler.read)(device, channel, address, data, PAK_CHUNK_SIZE);
         device.pif.ram[dcrc] = data_crc(device, data, PAK_CHUNK_SIZE)
     } else {
         device.pif.ram[dcrc] = !data_crc(device, data, PAK_CHUNK_SIZE)
@@ -130,8 +130,8 @@ fn pak_write_block(
         ((device.pif.ram[addr_acrc] as u16) << 8) | (device.pif.ram[addr_acrc + 1] & 0xe0) as u16;
     let handler = device.pif.channels[channel].pak_handler;
 
-    if handler.is_some() {
-        (handler.unwrap().write)(device, channel, address, data, PAK_CHUNK_SIZE);
+    if let Some(handler) = handler {
+        (handler.write)(device, channel, address, data, PAK_CHUNK_SIZE);
         device.pif.ram[dcrc] = data_crc(device, data, PAK_CHUNK_SIZE)
     } else {
         device.pif.ram[dcrc] = !data_crc(device, data, PAK_CHUNK_SIZE)

src/device/controller/gbcart.rs

@@ -155,7 +155,7 @@ fn write_mbc3(
             }
         }
     } else {
-        panic!("Unsupported write address {:x}", address);
+        panic!("Unsupported write address {address:x}");
     }
 }
 
@@ -208,7 +208,7 @@ fn read_mbc3(
             }
         }
     } else {
-        panic!("Unsupported read address {:x}", address);
+        panic!("Unsupported read address {address:x}");
     }
 }
 
@@ -231,7 +231,7 @@ fn write_mbc5(
     } else if address < 0x6000 {
         cart.ram_bank = (value & 0xf) as u16;
     } else if address < 0xa000 {
-        println!("Unknown MBC5 write address {:x}", address);
+        println!("Unknown MBC5 write address {address:x}");
     } else if (0xa000..0xc000).contains(&address) {
         if !cart.ram_enabled {
             return;
@@ -241,7 +241,7 @@ fn write_mbc5(
         cart.ram[banked_address as usize..banked_address as usize + size]
             .copy_from_slice(&pif_ram[data..data + size]);
     } else {
-        panic!("Unsupported write address {:x}", address);
+        panic!("Unsupported write address {address:x}");
     }
 }
 
@@ -272,7 +272,7 @@ fn read_mbc5(
         pif_ram[data..data + size]
             .copy_from_slice(&cart.ram[banked_address as usize..banked_address as usize + size]);
     } else {
-        panic!("Unsupported read address {:x}", address);
+        panic!("Unsupported read address {address:x}");
     }
 }
 
@@ -323,6 +323,6 @@ pub fn get_cart_type(data: u8) -> CartType {
         0x10 => CartType::MBC3RamBattRtc,
         0x13 => CartType::MBC3RamBatt,
         0x1b => CartType::MBC5RamBatt,
-        _ => panic!("Unsupported cart type {:x}", data),
+        _ => panic!("Unsupported cart type {data:x}"),
     }
 }

src/device/controller/transferpak.rs

@@ -61,7 +61,7 @@ pub fn read(device: &mut device::Device, channel: usize, address: u16, data: usi
             );
         }
         _ => {
-            panic!("unknown transfer pak read {:x}", address >> 12);
+            println!("unknown transfer pak read {:x}", address >> 12);
         }
     }
 }
@@ -84,7 +84,7 @@ pub fn write(device: &mut device::Device, channel: usize, address: u16, data: us
                     }
                     pak.enabled = true;
                 }
-                _ => panic!("unknown transfer pak value"),
+                _ => println!("unknown transfer pak value"),
             }
             return;
         }
@@ -127,7 +127,7 @@ pub fn write(device: &mut device::Device, channel: usize, address: u16, data: us
             );
         }
         _ => {
-            panic!("unknown transfer pak write {:x}", address >> 12);
+            println!("unknown transfer pak write {:x}", address >> 12);
         }
     }
 }

src/device/controller/vru.rs

@@ -1,5 +1,4 @@
 use crate::{device, ui};
-use eframe::egui;
 use std::collections::HashMap;
 
 const JCMD_VRU_READ: u8 = 0x09;
@@ -33,11 +32,9 @@ pub struct Vru {
 #[derive(serde::Serialize, serde::Deserialize)]
 pub struct VruWindow {
     #[serde(skip)]
-    pub window_notifier: Option<tokio::sync::mpsc::Sender<Vec<String>>>,
+    pub window_notifier: Option<tokio::sync::mpsc::Sender<Option<Vec<String>>>>,
     #[serde(skip)]
     pub word_receiver: Option<tokio::sync::mpsc::Receiver<String>>,
-    #[serde(skip)]
-    pub gui_ctx: Option<egui::Context>,
 }
 
 pub fn init(device: &mut device::Device) {
@@ -129,7 +126,7 @@ pub fn process(device: &mut device::Device, channel: usize) {
 
                         let (res, _enc, errors) = encoding_rs::SHIFT_JIS.decode(&data);
                         if errors {
-                            panic!("Failed to decode Japanese word {:X?}", data);
+                            panic!("Failed to decode Japanese word {data:X?}");
                         } else {
                             device.vru.words.push(res.to_string());
                         }
@@ -147,7 +144,7 @@ pub fn process(device: &mut device::Device, channel: usize) {
                         if let Some(result) = word {
                             device.vru.words.push(result.clone());
                         } else {
-                            panic!("Unknown VRU word {}", data);
+                            panic!("Unknown VRU word {data}");
                         }
                     }
                 } else {
@@ -195,7 +192,6 @@ pub fn process(device: &mut device::Device, channel: usize) {
                     &device.vru.words,
                     device.vru_window.window_notifier.as_ref().unwrap(),
                     device.vru_window.word_receiver.as_mut().unwrap(),
-                    device.vru_window.gui_ctx.as_ref().unwrap(),
                 )
             } else {
                 0x7FFF
@@ -253,7 +249,7 @@ pub fn process(device: &mut device::Device, channel: usize) {
             }
             device.vru.status = 0; /* status is always set to 0 after a write */
         }
-        _ => panic!("unknown VRU command {}", cmd),
+        _ => panic!("unknown VRU command {cmd}"),
     }
 }
 
@@ -2730,5 +2726,17 @@ fn create_word_mappings(device: &mut device::Device) {
             String::from("82B582E382C182CF82C282AF82A282A982A2"),
             String::from("restricted-depart"),
         ),
+        (
+            String::from("009903720366006903C903FF0045033C"),
+            String::from("objection"),
+        ),
+        (
+            String::from("041100CF02EE0381004503B7"),
+            String::from("hold-it"),
+        ),
+        (
+            String::from("03BA019203C9036C0087000303C6"),
+            String::from("take-that"),
+        ),
     ]);
 }

src/device/cpu.rs

@@ -227,6 +227,7 @@ pub fn init(device: &mut device::Device) {
     device.cpu.clock_rate = if !device.cpu.overclock {
         93750000
     } else {
+        println!("Overclocking enabled, setting clock rate to 125 MHz");
         125000000
     };
 

src/device/pi.rs

@@ -221,7 +221,11 @@ fn unknown_dma_write(
     dram_addr &= device::rdram::RDRAM_MASK as u32;
 
     for i in 0..length {
-        device.rdram.mem[(dram_addr + i) as usize ^ device.byte_swap] = 0;
+        *device
+            .rdram
+            .mem
+            .get_mut((dram_addr + i) as usize ^ device.byte_swap)
+            .unwrap_or(&mut 0) = 0;
     }
     device::pi::calculate_cycles(device, 1, length)
 }

src/device/pif.rs

@@ -226,7 +226,7 @@ pub fn connect_pif_channels(device: &mut device::Device) {
             device.pif.channels[i].process = Some(device::controller::process);
         }
     }
-    if device.ui.config.input.emulate_vru {
+    if device.ui.config.input.emulate_vru && device.netplay.is_none() {
         device.pif.channels[3].process = Some(device::controller::vru::process);
     }
     device.pif.channels[4].process = Some(device::cart::process)
@@ -280,7 +280,7 @@ pub fn init(device: &mut device::Device) {
             device.pif.channels[i].pak_handler = Some(default_handler);
         }
     }
-    if device.ui.config.input.emulate_vru {
+    if device.ui.config.input.emulate_vru && device.netplay.is_none() {
         device.pif.channels[3].pak_handler = None;
     }
 }

src/device/rdram.rs

@@ -29,9 +29,13 @@ pub fn read_mem_fast(
 ) -> u32 {
     let masked_address = address as usize & RDRAM_MASK;
     u32::from_ne_bytes(
-        device.rdram.mem[masked_address..masked_address + 4]
+        device
+            .rdram
+            .mem
+            .get(masked_address..masked_address + 4)
+            .unwrap_or_default()
             .try_into()
-            .unwrap(),
+            .unwrap_or_default(),
     )
 }
 
@@ -45,28 +49,35 @@ pub fn read_mem(
         rdram_calculate_cycles(access_size as u64) / (access_size as u64 / 4),
     );
     let masked_address = address as usize & RDRAM_MASK;
-    if address < device.rdram.size as u64 {
-        u32::from_ne_bytes(
-            device.rdram.mem[masked_address..masked_address + 4]
-                .try_into()
-                .unwrap(),
-        )
-    } else {
-        0
-    }
+
+    u32::from_ne_bytes(
+        device
+            .rdram
+            .mem
+            .get(masked_address..masked_address + 4)
+            .unwrap_or_default()
+            .try_into()
+            .unwrap_or_default(),
+    )
 }
 
 pub fn write_mem(device: &mut device::Device, address: u64, value: u32, mask: u32) {
-    if address < device.rdram.size as u64 {
-        let mut data = u32::from_ne_bytes(
-            device.rdram.mem[address as usize..(address + 4) as usize]
-                .try_into()
-                .unwrap(),
-        );
-        device::memory::masked_write_32(&mut data, value, mask);
-        device.rdram.mem[address as usize..(address + 4) as usize]
-            .copy_from_slice(&data.to_ne_bytes());
-    }
+    let mut data = u32::from_ne_bytes(
+        device
+            .rdram
+            .mem
+            .get(address as usize..(address + 4) as usize)
+            .unwrap_or_default()
+            .try_into()
+            .unwrap_or_default(),
+    );
+    device::memory::masked_write_32(&mut data, value, mask);
+    device
+        .rdram
+        .mem
+        .get_mut(address as usize..(address + 4) as usize)
+        .unwrap_or(&mut [0; 4])
+        .copy_from_slice(&data.to_ne_bytes());
 }
 
 pub fn read_regs(
@@ -103,9 +114,19 @@ pub fn init(device: &mut device::Device) {
         unsafe { Vec::from_raw_parts(ptr, device.rdram.size as usize, device.rdram.size as usize) };
 
     // hack, skip RDRAM initialization
-    device.rdram.mem[0x318..0x318 + 4].copy_from_slice(&device.rdram.size.to_ne_bytes());
+    device
+        .rdram
+        .mem
+        .get_mut(0x318..0x318 + 4)
+        .unwrap_or(&mut [0; 4])
+        .copy_from_slice(&device.rdram.size.to_ne_bytes());
     // hack, skip RDRAM initialization
-    device.rdram.mem[0x3f0..0x3f0 + 4].copy_from_slice(&device.rdram.size.to_ne_bytes());
+    device
+        .rdram
+        .mem
+        .get_mut(0x3f0..0x3f0 + 4)
+        .unwrap_or(&mut [0; 4])
+        .copy_from_slice(&device.rdram.size.to_ne_bytes());
 
     device.ri.regs[device::ri::RI_MODE_REG as usize] = 0x0e;
     device.ri.regs[device::ri::RI_CONFIG_REG as usize] = 0x40;

src/device/rsp_interface.rs

@@ -157,7 +157,11 @@ fn do_dma(device: &mut device::Device, dma: RspDma) {
                         .try_into()
                         .unwrap(),
                 );
-                device.rdram.mem[dram_addr as usize..dram_addr as usize + 4]
+                device
+                    .rdram
+                    .mem
+                    .get_mut(dram_addr as usize..dram_addr as usize + 4)
+                    .unwrap_or(&mut [0; 4])
                     .copy_from_slice(&data.to_ne_bytes());
                 mem_addr += 4;
                 dram_addr += 4;
@@ -171,14 +175,16 @@ fn do_dma(device: &mut device::Device, dma: RspDma) {
         while j < count {
             let mut i = 0;
             while i < length {
-                let mut data = 0;
-                if dram_addr < device.rdram.size {
-                    data = u32::from_ne_bytes(
-                        device.rdram.mem[dram_addr as usize..dram_addr as usize + 4]
-                            .try_into()
-                            .unwrap(),
-                    );
-                }
+                let data = u32::from_ne_bytes(
+                    device
+                        .rdram
+                        .mem
+                        .get(dram_addr as usize..dram_addr as usize + 4)
+                        .unwrap_or_default()
+                        .try_into()
+                        .unwrap_or_default(),
+                );
+
                 if offset != 0 {
                     // imem being updated
                     device.rsp.cpu.instructions[((mem_addr & 0xFFF) / 4) as usize].func =

src/device/rsp_su_instructions.rs

@@ -709,7 +709,7 @@ pub fn lsv(device: &mut device::Device, opcode: u32) {
 
     let mut element = velement(opcode);
 
-    if element % 2 == 0 {
+    if element.is_multiple_of(2) {
         modify_vpr16(
             &mut device.rsp.cpu.vpr[rt(opcode) as usize],
             element / 2,
@@ -736,7 +736,7 @@ pub fn llv(device: &mut device::Device, opcode: u32) {
 
     let mut element = velement(opcode);
 
-    if element % 4 == 0 {
+    if element.is_multiple_of(4) {
         let mut value = 0;
         for i in 0..4 {
             value |= (device.rsp.mem[((address + i) & 0xFFF) as usize] as u32) << (8 * (3 - i));
@@ -766,7 +766,7 @@ pub fn ldv(device: &mut device::Device, opcode: u32) {
 
     let mut element = velement(opcode);
 
-    if element % 8 == 0 {
+    if element.is_multiple_of(8) {
         let mut value = 0;
         for i in 0..8 {
             value |= (device.rsp.mem[((address + i) & 0xFFF) as usize] as u64) << (8 * (7 - i));
@@ -796,7 +796,7 @@ pub fn lqv(device: &mut device::Device, opcode: u32) {
 
     let mut element = velement(opcode);
 
-    if element == 0 && address % 16 == 0 {
+    if element == 0 && address.is_multiple_of(16) {
         let mut value = 0;
         for i in 0..16 {
             value |= (device.rsp.mem[((address + i) & 0xFFF) as usize] as u128) << (8 * (15 - i));
@@ -975,7 +975,7 @@ pub fn ssv(device: &mut device::Device, opcode: u32) {
 
     let mut element = velement(opcode);
 
-    if element % 2 == 0 {
+    if element.is_multiple_of(2) {
         let start = (address & 0xFFF) as usize;
         device.rsp.mem[start..start + 2].copy_from_slice(
             &get_vpr16(device.rsp.cpu.vpr[rt(opcode) as usize], element / 2).to_be_bytes(),
@@ -997,7 +997,7 @@ pub fn slv(device: &mut device::Device, opcode: u32) {
 
     let mut element = velement(opcode);
 
-    if element % 4 == 0 {
+    if element.is_multiple_of(4) {
         let start = (address & 0xFFF) as usize;
         device.rsp.mem[start..start + 4].copy_from_slice(
             &get_vpr32(device.rsp.cpu.vpr[rt(opcode) as usize], element / 4).to_be_bytes(),
@@ -1019,7 +1019,7 @@ pub fn sdv(device: &mut device::Device, opcode: u32) {
 
     let mut element = velement(opcode);
 
-    if element % 8 == 0 {
+    if element.is_multiple_of(8) {
         let start = (address & 0xFFF) as usize;
         device.rsp.mem[start..start + 8].copy_from_slice(
             &get_vpr64(device.rsp.cpu.vpr[rt(opcode) as usize], element / 8).to_be_bytes(),
@@ -1041,7 +1041,7 @@ pub fn sqv(device: &mut device::Device, opcode: u32) {
 
     let mut element = velement(opcode);
 
-    if element == 0 && address % 16 == 0 {
+    if element == 0 && address.is_multiple_of(16) {
         let start = (address & 0xFFF) as usize;
         device.rsp.mem[start..start + 16]
             .copy_from_slice(&get_vpr128(device.rsp.cpu.vpr[rt(opcode) as usize]).to_be_bytes());

src/device/si.rs

@@ -86,9 +86,13 @@ fn copy_pif_rdram(device: &mut device::Device) {
         let mut i = 0;
         while i < device::pif::PIF_RAM_SIZE {
             let data = u32::from_ne_bytes(
-                device.rdram.mem[dram_addr + i..dram_addr + i + 4]
+                device
+                    .rdram
+                    .mem
+                    .get(dram_addr + i..dram_addr + i + 4)
+                    .unwrap_or_default()
                     .try_into()
-                    .unwrap(),
+                    .unwrap_or_default(),
             );
             device.pif.ram[i..i + 4].copy_from_slice(&data.to_be_bytes());
             i += 4;
@@ -97,7 +101,12 @@ fn copy_pif_rdram(device: &mut device::Device) {
         let mut i = 0;
         while i < device::pif::PIF_RAM_SIZE {
             let data = u32::from_be_bytes(device.pif.ram[i..i + 4].try_into().unwrap());
-            device.rdram.mem[dram_addr + i..dram_addr + i + 4].copy_from_slice(&data.to_ne_bytes());
+            device
+                .rdram
+                .mem
+                .get_mut(dram_addr + i..dram_addr + i + 4)
+                .unwrap_or(&mut [0; 4])
+                .copy_from_slice(&data.to_ne_bytes());
             i += 4;
         }
     } else {

src/device/vi.rs

@@ -1,4 +1,4 @@
-use crate::{device, netplay, ui};
+use crate::{cheats, device, netplay, ui};
 use governor::clock::Clock;
 
 const VI_STATUS_REG: u32 = 0;
@@ -72,10 +72,9 @@ fn set_vertical_interrupt(device: &mut device::Device) {
 fn set_current_line(device: &mut device::Device) {
     let delay = device.vi.delay;
     let next_vi = device::events::get_event(device, device::events::EVENT_TYPE_VI);
-    if next_vi.is_some() {
+    if let Some(next_vi) = next_vi {
         device.vi.regs[VI_CURRENT_REG as usize] = ((delay
-            - (next_vi.unwrap().count
-                - device.cpu.cop0.regs[device::cop0::COP0_COUNT_REG as usize]))
+            - (next_vi.count - device.cpu.cop0.regs[device::cop0::COP0_COUNT_REG as usize]))
             / device.vi.count_per_scanline)
             as u32;
 
@@ -135,16 +134,22 @@ pub fn write_regs(device: &mut device::Device, address: u64, value: u32, mask: u
 }
 
 pub fn vertical_interrupt_event(device: &mut device::Device) {
-    ui::video::check_callback(device);
+    if device.cheats.enabled {
+        cheats::execute_cheats(device, device.cheats.cheats.clone());
+    }
+    let mut speed_limiter_toggled = ui::video::check_callback(device);
 
     if device.netplay.is_some() {
         netplay::send_sync_check(device);
-        device.vi.enable_speed_limiter = !device.netplay.as_ref().unwrap().fast_forward;
+        if device.vi.enable_speed_limiter == device.netplay.as_ref().unwrap().fast_forward {
+            speed_limiter_toggled = true;
+            device.vi.enable_speed_limiter = !device.netplay.as_ref().unwrap().fast_forward;
+        }
     }
 
     device.vi.vi_counter += 1;
-    if device.vi.vi_counter % device.vi.limit_freq == 0 && device.vi.enable_speed_limiter {
-        speed_limiter(device);
+    if device.vi.vi_counter.is_multiple_of(device.vi.limit_freq) && device.vi.enable_speed_limiter {
+        speed_limiter(device, speed_limiter_toggled);
     }
     ui::video::update_screen();
 
@@ -176,10 +181,9 @@ pub fn init(device: &mut device::Device) {
     }
 }
 
-fn speed_limiter(device: &mut device::Device) {
+fn speed_limiter(device: &mut device::Device, speed_limiter_toggled: bool) {
     let result = device.vi.limiter.as_ref().unwrap().check();
-    if result.is_err() {
-        let outcome = result.unwrap_err();
+    if let Err(outcome) = result {
         let dur = outcome.wait_time_from(governor::clock::DefaultClock::default().now());
         spin_sleep::sleep(dur);
         if dur < device.vi.min_wait_time {
@@ -196,14 +200,17 @@ fn speed_limiter(device: &mut device::Device) {
         .as_secs_f64()
         > 1.0
     {
-        if device.vi.min_wait_time.as_secs_f64() == 0.0 && device.vi.limit_freq < MAX_LIMIT_FREQ {
-            device.vi.limit_freq += 1;
-            create_limiter(device);
-        } else if device.vi.min_wait_time.as_secs_f64() > device.vi.frame_time
-            && device.vi.limit_freq > 1
-        {
-            device.vi.limit_freq -= 1;
-            create_limiter(device);
+        if !speed_limiter_toggled {
+            if device.vi.min_wait_time.as_secs_f64() == 0.0 && device.vi.limit_freq < MAX_LIMIT_FREQ
+            {
+                device.vi.limit_freq += 1;
+                create_limiter(device);
+            } else if device.vi.min_wait_time.as_secs_f64() > device.vi.frame_time
+                && device.vi.limit_freq > 1
+            {
+                device.vi.limit_freq -= 1;
+                create_limiter(device);
+            }
         }
 
         //println!("limit freq: {}", device.vi.limit_freq);

src/main.rs

@@ -3,6 +3,7 @@
 #[global_allocator]
 static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
+mod cheats;
 mod device;
 mod netplay;
 mod savestates;
@@ -73,10 +74,6 @@ async fn main() {
     if result.is_err() {
         panic!("could not create config dir: {}", result.err().unwrap())
     }
-    result = std::fs::create_dir_all(dirs.cache_dir.clone());
-    if result.is_err() {
-        panic!("could not create cache dir: {}", result.err().unwrap())
-    }
     result = std::fs::create_dir_all(dirs.data_dir.join("saves"));
     if result.is_err() {
         panic!("could not create save dir: {}", result.err().unwrap())
@@ -85,13 +82,6 @@ async fn main() {
     if result.is_err() {
         panic!("could not create state dir: {}", result.err().unwrap())
     }
-    let running_file = dirs.cache_dir.join("game_running");
-    if running_file.exists() {
-        result = std::fs::remove_file(running_file);
-        if result.is_err() {
-            panic!("could not remove running file: {}", result.err().unwrap())
-        }
-    }
 
     let args = Args::parse();
     let args_as_strings: Vec<String> = std::env::args().collect();
@@ -111,12 +101,20 @@ async fn main() {
             }
         }
         if args.list_controllers {
-            let controllers = gui::get_controller_names(&ui);
+            let controllers = ui::input::get_controller_names(&ui);
             for (i, controller) in controllers.iter().enumerate() {
-                println!("Controller {}: {}", i, controller);
+                println!("Controller {i}: {controller}");
             }
             return;
         }
+        if args.configure_input_profile.is_some() {
+            ui::input::configure_input_profile(
+                &mut ui,
+                args.configure_input_profile.unwrap(),
+                args.use_dinput,
+            );
+            return;
+        }
         if args.assign_controller.is_some() {
             if args.port.is_none() {
                 println!("Must specify port number");
@@ -127,7 +125,6 @@ async fn main() {
                 args.assign_controller.unwrap(),
                 args.port.unwrap(),
             );
-            return;
         }
         if args.bind_input_profile.is_some() {
             if args.port.is_none() {
@@ -139,15 +136,6 @@ async fn main() {
                 args.bind_input_profile.unwrap(),
                 args.port.unwrap(),
             );
-            return;
-        }
-        if args.configure_input_profile.is_some() {
-            ui::input::configure_input_profile(
-                &mut ui,
-                args.configure_input_profile.unwrap(),
-                args.use_dinput,
-            );
-            return;
         }
     } else if args.game.is_some() {
         let file_path = std::path::Path::new(args.game.as_ref().unwrap());
@@ -158,7 +146,23 @@ async fn main() {
                 .spawn(move || {
                     let mut device = device::Device::new();
                     let overclock = device.ui.config.emulation.overclock;
-                    device::run_game(&mut device, rom_contents, args.fullscreen, overclock);
+                    let disable_expansion_pak = device.ui.config.emulation.disable_expansion_pak;
+
+                    let game_cheats = {
+                        let game_crc = ui::storage::get_game_crc(&rom_contents);
+                        let cheats = ui::config::Cheats::new();
+                        cheats.cheats.get(&game_crc).cloned().unwrap_or_default()
+                    };
+                    device::run_game(
+                        &mut device,
+                        rom_contents,
+                        ui::gui::GameSettings {
+                            fullscreen: args.fullscreen,
+                            overclock,
+                            disable_expansion_pak,
+                            cheats: game_cheats,
+                        },
+                    );
                 })
                 .unwrap();
 
@@ -168,34 +172,6 @@ async fn main() {
             return;
         }
     } else {
-        let options = eframe::NativeOptions {
-            viewport: eframe::egui::ViewportBuilder::default()
-                .with_inner_size([854.0, 480.0])
-                .with_icon(
-                    eframe::icon_data::from_png_bytes(include_bytes!("../data/gopher64.png"))
-                        .unwrap(),
-                ),
-            ..Default::default()
-        };
-
-        let controllers_paths;
-        let controller_names;
-        {
-            let game_ui = ui::Ui::new();
-            controllers_paths = gui::get_controller_paths(&game_ui);
-            controller_names = gui::get_controller_names(&game_ui);
-        }
-        eframe::run_native(
-            "gopher64",
-            options,
-            Box::new(|cc| {
-                Ok(Box::new(ui::gui::GopherEguiApp::new(
-                    cc,
-                    controllers_paths,
-                    controller_names,
-                )))
-            }),
-        )
-        .unwrap();
+        gui::app_window();
     }
 }

src/netplay.rs

@@ -113,7 +113,7 @@ pub fn receive_save(netplay: &mut Netplay, save_type: &str, save_data: &mut Vec<
 
 pub fn send_sync_check(device: &mut device::Device) {
     let netplay = device.netplay.as_mut().unwrap();
-    if netplay.vi_counter % 600 == 0 {
+    if netplay.vi_counter.is_multiple_of(600) {
         let mut request: Vec<u8> = [UDP_SYNC_DATA].to_vec();
         request.extend_from_slice(&(netplay.vi_counter).to_be_bytes());
 
@@ -246,18 +246,13 @@ fn process_incoming(netplay: &mut Netplay, ui: &ui::Ui) {
     }
 }
 
-pub fn init(
-    mut peer_addr: std::net::SocketAddr,
-    session: ui::gui::gui_netplay::NetplayRoom,
-    player_number: u8,
-) -> Netplay {
-    peer_addr.set_port(session.port.unwrap() as u16);
+pub fn init(peer_addr: std::net::SocketAddr, player_number: u8) -> Netplay {
     let udp_socket;
     if peer_addr.is_ipv4() {
         udp_socket = std::net::UdpSocket::bind((std::net::Ipv4Addr::UNSPECIFIED, 0))
             .expect("couldn't bind to address");
         socket2::SockRef::from(&udp_socket)
-            .set_tos(CS4 << 2)
+            .set_tos_v4(CS4 << 2)
             .unwrap();
     } else {
         udp_socket = std::net::UdpSocket::bind((std::net::Ipv6Addr::UNSPECIFIED, 0))

src/savestates.rs

@@ -12,7 +12,7 @@ impl<'de, const N: usize> Visitor<'de> for M128iArrayVisitor<N> {
     type Value = [__m128i; N];
 
     fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
-        formatter.write_str(&format!("an array of {} 128-bit integers", N))
+        formatter.write_str(&format!("an array of {N} 128-bit integers"))
     }
 
     fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
@@ -87,14 +87,18 @@ pub fn create_savestate(device: &device::Device) {
         compressed_file,
     )
     .unwrap();
+    println!(
+        "Savestate created at {}",
+        device.ui.storage.paths.savestate_file_path.display()
+    );
 }
 
 pub fn load_savestate(device: &mut device::Device) {
     let savestate = std::fs::read(&device.ui.storage.paths.savestate_file_path);
-    if savestate.is_ok() {
-        let device_bytes = ui::storage::decompress_file(savestate.as_ref().unwrap(), "device");
-        let save_bytes = ui::storage::decompress_file(savestate.as_ref().unwrap(), "saves");
-        let rdp_state = ui::storage::decompress_file(savestate.as_ref().unwrap(), "rdp_state");
+    if let Ok(savestate) = &savestate {
+        let device_bytes = ui::storage::decompress_file(savestate, "device");
+        let save_bytes = ui::storage::decompress_file(savestate, "saves");
+        let rdp_state = ui::storage::decompress_file(savestate, "rdp_state");
         if let Ok(state) = postcard::from_bytes::<device::Device>(&device_bytes) {
             device.ui.storage.saves = postcard::from_bytes(&save_bytes).unwrap();
 
@@ -116,6 +120,7 @@ pub fn load_savestate(device: &mut device::Device) {
             device.si = state.si;
             device.ri = state.ri;
             device.vru = state.vru;
+            device.cheats = state.cheats;
 
             let mut tpak_rom = [vec![], vec![], vec![], vec![]];
             for (i, item) in tpak_rom.iter_mut().enumerate() {
@@ -190,6 +195,10 @@ pub fn load_savestate(device: &mut device::Device) {
             ui::audio::close(&mut device.ui);
             ui::audio::init(&mut device.ui, device.ai.freq);
             ui::video::load_state(device, rdp_state.as_ptr());
+            println!(
+                "Savestate loaded from {}",
+                device.ui.storage.paths.savestate_file_path.display()
+            );
         } else {
             println!("Failed to load savestate");
         }

src/ui.rs

@@ -1,18 +1,20 @@
 pub mod audio;
+pub mod cheats;
 pub mod config;
 pub mod gui;
 pub mod input;
+pub mod netplay;
 pub mod storage;
 pub mod video;
 pub mod vru;
 
 pub struct Dirs {
     pub config_dir: std::path::PathBuf,
-    pub cache_dir: std::path::PathBuf,
     pub data_dir: std::path::PathBuf,
 }
 
 pub struct Audio {
+    pub audio_device_spec: sdl3_sys::audio::SDL_AudioSpec,
     pub audio_stream: *mut sdl3_sys::audio::SDL_AudioStream,
     pub event_audio_stream: *mut sdl3_sys::audio::SDL_AudioStream,
     pub audio_device: u32,
@@ -66,7 +68,7 @@ pub fn sdl_init(flag: sdl3_sys::init::SDL_InitFlags) {
             let err = std::ffi::CStr::from_ptr(sdl3_sys::error::SDL_GetError())
                 .to_str()
                 .unwrap();
-            panic!("Could not initialize SDL subsystem: {}, {}", flag, err);
+            panic!("Could not initialize SDL subsystem: {flag}, {err}");
         }
     }
 }
@@ -76,21 +78,17 @@ pub fn get_dirs() -> Dirs {
     let portable_dir = exe_path.parent();
     let portable = portable_dir.unwrap().join("portable.txt").exists();
     let config_dir;
-    let cache_dir;
     let data_dir;
     if portable {
         config_dir = portable_dir.unwrap().join("portable_data").join("config");
-        cache_dir = portable_dir.unwrap().join("portable_data").join("cache");
         data_dir = portable_dir.unwrap().join("portable_data").join("data");
     } else {
         config_dir = dirs::config_dir().unwrap().join("gopher64");
-        cache_dir = dirs::cache_dir().unwrap().join("gopher64");
         data_dir = dirs::data_dir().unwrap().join("gopher64");
     };
 
     Dirs {
         config_dir,
-        cache_dir,
         data_dir,
     }
 }
@@ -182,7 +180,9 @@ impl Ui {
                         include_bytes!("../data/netplay_p3_disconnected.wav").to_vec(),
                         include_bytes!("../data/netplay_p4_disconnected.wav").to_vec(),
                     ],
+                    cheats_enabled: include_bytes!("../data/cheats_enabled.wav").to_vec(),
                 },
+                audio_device_spec: Default::default(),
                 audio_stream: std::ptr::null_mut(),
                 event_audio_stream: std::ptr::null_mut(),
                 audio_device: 0,

src/ui/audio.rs

@@ -9,16 +9,12 @@ pub struct EventAudio {
     pub netplay_desync: Vec<u8>,
     pub netplay_lost_connection: Vec<u8>,
     pub netplay_disconnected: [Vec<u8>; 4],
+    pub cheats_enabled: Vec<u8>,
 }
 
 pub fn init(ui: &mut ui::Ui, frequency: u64) {
     ui::sdl_init(sdl3_sys::init::SDL_INIT_AUDIO);
 
-    let game_audio_spec = sdl3_sys::audio::SDL_AudioSpec {
-        format: sdl3_sys::audio::SDL_AUDIO_S16LE,
-        freq: frequency as i32,
-        channels: 2,
-    };
     let device_audio_spec = sdl3_sys::audio::SDL_AudioSpec {
         format: sdl3_sys::audio::SDL_AUDIO_S16LE,
         freq: 48000,
@@ -34,37 +30,25 @@ pub fn init(ui: &mut ui::Ui, frequency: u64) {
         panic!("Could not open audio device");
     }
 
-    let mut dst = Default::default();
     if !unsafe {
         sdl3_sys::audio::SDL_GetAudioDeviceFormat(
             ui.audio.audio_device,
-            &mut dst,
+            &mut ui.audio.audio_device_spec,
             std::ptr::null_mut(),
         )
     } {
         panic!("Could not get audio device format");
     }
 
-    ui.audio.audio_stream =
-        unsafe { sdl3_sys::audio::SDL_CreateAudioStream(&game_audio_spec, &dst) };
-    if ui.audio.audio_stream.is_null() {
-        return;
-    }
-    if !unsafe {
-        sdl3_sys::audio::SDL_SetAudioStreamGain(ui.audio.audio_stream, ui.audio.gain)
-            && sdl3_sys::audio::SDL_BindAudioStream(ui.audio.audio_device, ui.audio.audio_stream)
-    } {
-        panic!("Could not bind audio stream");
-    }
-
     let wav_audio_spec = sdl3_sys::audio::SDL_AudioSpec {
         format: sdl3_sys::audio::SDL_AUDIO_S16LE,
         freq: 24000,
         channels: 1,
     };
 
-    ui.audio.event_audio_stream =
-        unsafe { sdl3_sys::audio::SDL_CreateAudioStream(&wav_audio_spec, &dst) };
+    ui.audio.event_audio_stream = unsafe {
+        sdl3_sys::audio::SDL_CreateAudioStream(&wav_audio_spec, &ui.audio.audio_device_spec)
+    };
     if !unsafe {
         sdl3_sys::audio::SDL_SetAudioStreamGain(ui.audio.event_audio_stream, ui.audio.gain)
             && sdl3_sys::audio::SDL_BindAudioStream(
@@ -74,14 +58,33 @@ pub fn init(ui: &mut ui::Ui, frequency: u64) {
     } {
         panic!("Could not bind audio stream");
     }
+    init_game_audio(ui, frequency);
+}
+
+pub fn init_game_audio(ui: &mut ui::Ui, frequency: u64) {
+    let game_audio_spec = sdl3_sys::audio::SDL_AudioSpec {
+        format: sdl3_sys::audio::SDL_AUDIO_S16LE,
+        freq: frequency as i32,
+        channels: 2,
+    };
+
+    ui.audio.audio_stream = unsafe {
+        sdl3_sys::audio::SDL_CreateAudioStream(&game_audio_spec, &ui.audio.audio_device_spec)
+    };
+    if ui.audio.audio_stream.is_null() {
+        return;
+    }
+    if !unsafe {
+        sdl3_sys::audio::SDL_SetAudioStreamGain(ui.audio.audio_stream, ui.audio.gain)
+            && sdl3_sys::audio::SDL_BindAudioStream(ui.audio.audio_device, ui.audio.audio_stream)
+    } {
+        panic!("Could not bind audio stream");
+    }
 }
 
 pub fn close(ui: &mut ui::Ui) {
+    close_game_audio(ui);
     unsafe {
-        if !ui.audio.audio_stream.is_null() {
-            sdl3_sys::audio::SDL_DestroyAudioStream(ui.audio.audio_stream);
-            ui.audio.audio_stream = std::ptr::null_mut();
-        }
         if !ui.audio.event_audio_stream.is_null() {
             sdl3_sys::audio::SDL_DestroyAudioStream(ui.audio.event_audio_stream);
             ui.audio.event_audio_stream = std::ptr::null_mut();
@@ -91,6 +94,15 @@ pub fn close(ui: &mut ui::Ui) {
     }
 }
 
+pub fn close_game_audio(ui: &mut ui::Ui) {
+    unsafe {
+        if !ui.audio.audio_stream.is_null() {
+            sdl3_sys::audio::SDL_DestroyAudioStream(ui.audio.audio_stream);
+            ui.audio.audio_stream = std::ptr::null_mut();
+        }
+    }
+}
+
 pub fn lower_audio_volume(ui: &mut ui::Ui) {
     unsafe {
         ui.audio.gain = sdl3_sys::audio::SDL_GetAudioStreamGain(ui.audio.audio_stream) - 0.05;
@@ -113,6 +125,22 @@ pub fn raise_audio_volume(ui: &mut ui::Ui) {
     }
 }
 
+pub fn play_cheat_event(ui: &ui::Ui) {
+    if ui.audio.event_audio_stream.is_null() {
+        return;
+    }
+    let sound = &ui.audio.event_audio.cheats_enabled;
+    if !unsafe {
+        sdl3_sys::audio::SDL_PutAudioStreamData(
+            ui.audio.event_audio_stream,
+            sound.as_ptr() as *const std::ffi::c_void,
+            sound.len() as i32,
+        )
+    } {
+        panic!("Could not play audio");
+    }
+}
+
 pub fn play_netplay_audio(ui: &ui::Ui, error: u32) {
     if ui.audio.event_audio_stream.is_null() {
         return;
@@ -176,12 +204,12 @@ pub fn play_audio(device: &device::Device, dram_addr: usize, length: u64) {
     let mut i = 0;
     while i < length as usize / 2 {
         // Left channel
-        primary_buffer[i] = device.rdram.mem[dram_addr + (i * 2) + 2] as i16
-            | ((device.rdram.mem[dram_addr + (i * 2) + 3] as i16) << 8);
+        primary_buffer[i] = *device.rdram.mem.get(dram_addr + (i * 2) + 2).unwrap_or(&0) as i16
+            | ((*device.rdram.mem.get(dram_addr + (i * 2) + 3).unwrap_or(&0) as i16) << 8);
 
         // Right channel
-        primary_buffer[i + 1] = device.rdram.mem[dram_addr + (i * 2)] as i16
-            | ((device.rdram.mem[dram_addr + (i * 2) + 1] as i16) << 8);
+        primary_buffer[i + 1] = *device.rdram.mem.get(dram_addr + (i * 2)).unwrap_or(&0) as i16
+            | ((*device.rdram.mem.get(dram_addr + (i * 2) + 1).unwrap_or(&0) as i16) << 8);
         i += 2;
     }
 

src/ui/cheats.rs

@@ -0,0 +1,148 @@
+use crate::device;
+use crate::ui;
+use crate::ui::gui::AppWindow;
+use crate::ui::gui::ErrorDialog;
+use slint::ComponentHandle;
+
+#[derive(serde::Serialize, serde::Deserialize, Clone)]
+pub struct CheatData {
+    note: String,
+    pub data: Vec<String>,
+    pub options: Option<std::collections::BTreeMap<String, String>>,
+}
+
+pub type Cheats = std::collections::BTreeMap<String, std::collections::BTreeMap<String, CheatData>>;
+
+pub fn cheats_window(app: &AppWindow) {
+    let weak = app.as_weak();
+    app.on_cheats_select_rom_clicked(move || {
+        let select_rom = rfd::AsyncFileDialog::new()
+            .set_title("Select ROM")
+            .pick_file();
+        let weak = weak.clone();
+        tokio::spawn(async move {
+            if let Some(file) = select_rom.await
+                && let Some(rom_contents) = device::get_rom_contents(file.path())
+            {
+                let game_crc = ui::storage::get_game_crc(&rom_contents);
+                let game_name = ui::storage::get_game_name(&rom_contents);
+                weak.upgrade_in_event_loop(move |handle| {
+                    handle.set_cheat_game_name(game_name.into());
+                })
+                .unwrap();
+                let cheats: Cheats =
+                    serde_json::from_slice(include_bytes!("../../data/cheats.json")).unwrap();
+                if let Some(cheat) = cheats.get(&game_crc) {
+                    let cheat = cheat.clone();
+                    weak.upgrade_in_event_loop(move |handle| {
+                        let cheat_settings = ui::config::Cheats::new();
+                        let game_cheats = cheat_settings.cheats.get(&game_crc).cloned();
+                        handle.set_cheat_game_crc(game_crc.into());
+                        let cheats_vec = slint::VecModel::default();
+                        for item in cheat.iter() {
+                            let mut cheat_enabled = false;
+                            if let Some(game_cheat) = game_cheats.as_ref()
+                                && game_cheat.contains_key(item.0)
+                            {
+                                cheat_enabled = true;
+                            }
+                            let options_vec = slint::VecModel::default();
+                            if let Some(options) = item.1.options.as_ref() {
+                                for option in options.iter() {
+                                    let mut option_enabled = false;
+                                    if let Some(game_cheat) = game_cheats.as_ref()
+                                        && game_cheat.contains_key(item.0)
+                                        && let Some(opt) = game_cheat.get(item.0)
+                                        && let Some(opt) = opt
+                                        && opt == option.0
+                                    {
+                                        option_enabled = true;
+                                    }
+                                    options_vec.push((option_enabled, option.0.into()));
+                                }
+                            }
+                            let options = slint::ModelRc::from(std::rc::Rc::new(options_vec));
+                            cheats_vec.push((
+                                item.0.clone().into(),
+                                cheat_enabled,
+                                item.1.clone().note.into(),
+                                options,
+                            ));
+                        }
+                        #[allow(clippy::type_complexity)]
+                        let cheats_model: std::rc::Rc<
+                            slint::VecModel<(
+                                slint::SharedString,
+                                bool,
+                                slint::SharedString,
+                                slint::ModelRc<(bool, slint::SharedString)>,
+                            )>,
+                        > = std::rc::Rc::new(cheats_vec);
+                        handle.set_cheats(slint::ModelRc::from(cheats_model));
+                    })
+                    .unwrap();
+                } else {
+                    clear_cheats(&weak, false);
+                }
+            } else {
+                clear_cheats(&weak, true);
+                weak.upgrade_in_event_loop(move |_handle| {
+                    let message_dialog = ErrorDialog::new().unwrap();
+                    let weak_dialog = message_dialog.as_weak();
+                    message_dialog.on_close_clicked(move || {
+                        weak_dialog.unwrap().window().hide().unwrap();
+                    });
+                    message_dialog.set_text("Could not read ROM".into());
+                    message_dialog.show().unwrap();
+                })
+                .unwrap();
+            }
+        });
+    });
+
+    let weak = app.as_weak();
+    app.on_cheats_clear_clicked(move || {
+        let mut cheats = ui::config::Cheats::new();
+        cheats.cheats.clear();
+        clear_cheats(&weak, true);
+    });
+
+    app.on_cheat_toggled(move |game_crc, cheat_name, option, enabled| {
+        let mut cheats = ui::config::Cheats::new();
+        let mut game_cheats = cheats
+            .cheats
+            .remove(&game_crc.to_string())
+            .unwrap_or_default();
+        if enabled {
+            let cheat_option = if option.is_empty() {
+                None
+            } else {
+                Some(option.into())
+            };
+            game_cheats.insert(cheat_name.into(), cheat_option);
+        } else {
+            game_cheats.remove(&cheat_name.to_string());
+        }
+        cheats.cheats.insert(game_crc.into(), game_cheats);
+    });
+}
+
+fn clear_cheats(weak: &slint::Weak<AppWindow>, clear_name: bool) {
+    weak.upgrade_in_event_loop(move |handle| {
+        let cheats_vec = slint::VecModel::default();
+        #[allow(clippy::type_complexity)]
+        let cheats_model: std::rc::Rc<
+            slint::VecModel<(
+                slint::SharedString,
+                bool,
+                slint::SharedString,
+                slint::ModelRc<(bool, slint::SharedString)>,
+            )>,
+        > = std::rc::Rc::new(cheats_vec);
+        handle.set_cheats(slint::ModelRc::from(cheats_model));
+        if clear_name {
+            handle.set_cheat_game_name("".into());
+        }
+    })
+    .unwrap();
+}

src/ui/config.rs

@@ -33,7 +33,7 @@ pub struct InputProfile {
 
 #[derive(serde::Serialize, serde::Deserialize)]
 pub struct Input {
-    pub input_profiles: std::collections::HashMap<String, InputProfile>,
+    pub input_profiles: std::collections::BTreeMap<String, InputProfile>,
     pub input_profile_binding: [String; 4],
     pub controller_assignment: [Option<String>; 4],
     pub controller_enabled: [bool; 4],
@@ -53,6 +53,13 @@ pub struct Video {
 #[derive(serde::Serialize, serde::Deserialize)]
 pub struct Emulation {
     pub overclock: bool,
+    pub disable_expansion_pak: bool,
+}
+
+#[derive(serde::Serialize, serde::Deserialize)]
+pub struct Cheats {
+    pub cheats:
+        std::collections::HashMap<String, std::collections::HashMap<String, Option<String>>>,
 }
 
 #[derive(serde::Serialize, serde::Deserialize)]
@@ -62,6 +69,36 @@ pub struct Config {
     pub emulation: Emulation,
 }
 
+impl Drop for Cheats {
+    fn drop(&mut self) {
+        write_cheats(self);
+    }
+}
+
+fn write_cheats(cheats: &Cheats) {
+    let dirs = ui::get_dirs();
+    let file_path = dirs.config_dir.join("cheats.json");
+    let f = std::fs::File::create(file_path).unwrap();
+    serde_json::to_writer_pretty(f, &cheats).unwrap();
+}
+
+impl Cheats {
+    pub fn new() -> Cheats {
+        let dirs = ui::get_dirs();
+        let file_path = dirs.config_dir.join("cheats.json");
+        let cheats_file = std::fs::read(file_path);
+        if let Ok(cheats_file) = cheats_file {
+            let result = serde_json::from_slice(cheats_file.as_ref());
+            if let Ok(result) = result {
+                return result;
+            }
+        }
+        Cheats {
+            cheats: std::collections::HashMap::new(),
+        }
+    }
+}
+
 impl Drop for Config {
     fn drop(&mut self) {
         write_config(self);
@@ -80,13 +117,13 @@ impl Config {
         let dirs = ui::get_dirs();
         let file_path = dirs.config_dir.join("config.json");
         let config_file = std::fs::read(file_path);
-        if config_file.is_ok() {
-            let result = serde_json::from_slice(config_file.unwrap().as_ref());
+        if let Ok(config_file) = config_file {
+            let result = serde_json::from_slice(config_file.as_ref());
             if let Ok(result) = result {
                 return result;
             }
         }
-        let mut input_profiles = std::collections::HashMap::new();
+        let mut input_profiles = std::collections::BTreeMap::new();
         input_profiles.insert("default".to_string(), ui::input::get_default_profile());
         Config {
             input: Input {
@@ -109,7 +146,10 @@ impl Config {
                 widescreen: false,
                 crt: false,
             },
-            emulation: Emulation { overclock: false },
+            emulation: Emulation {
+                overclock: false,
+                disable_expansion_pak: false,
+            },
         }
     }
 }

src/ui/gui/about_page.slint

@@ -0,0 +1,98 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { Button, HorizontalBox, VerticalBox } from "std-widgets.slint";
+import { Page } from "page.slint";
+
+export global AboutData {
+    in property <string> version;
+    in property <bool> has_update;
+}
+
+export component NewVersionButton {
+    callback newversion_button_clicked;
+    HorizontalBox {
+        alignment: center;
+        Button {
+            text: @tr("New version available! Click here to download");
+            primary: true;
+            clicked => {
+                newversion_button_clicked();
+            }
+        }
+    }
+}
+
+export component About inherits Page {
+    callback wiki_button_clicked;
+    callback discord_button_clicked;
+    callback newversion_button_clicked;
+    callback patreon_button_clicked;
+    callback github_sponsors_button_clicked;
+    callback source_code_button_clicked;
+    title: @tr("About");
+
+    VerticalBox {
+        alignment: start;
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Wiki");
+                clicked => {
+                    wiki_button_clicked();
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Discord Server");
+                clicked => {
+                    discord_button_clicked();
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Source Code");
+                clicked => {
+                    source_code_button_clicked();
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Donate (via Patreon)");
+                clicked => {
+                    patreon_button_clicked();
+                }
+            }
+
+            Button {
+                text: @tr("Donate (via GitHub)");
+                clicked => {
+                    github_sponsors_button_clicked();
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: center;
+            Text {
+                text: AboutData.version;
+            }
+        }
+
+        if AboutData.has_update:NewVersionButton {
+            newversion_button_clicked => {
+                newversion_button_clicked();
+            }
+        }
+        Rectangle { }
+    }
+}

src/ui/gui/appwindow.slint

@@ -0,0 +1,149 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { StandardButton } from "std-widgets.slint";
+import { LocalGame, ControllerConfig, Netplay, Cheats, Settings, About } from "pages.slint";
+import { SideBar } from "side_bar.slint";
+import { SettingsData } from "settings_page.slint";
+import { AboutData } from "about_page.slint";
+import { ControllerData } from "controller_page.slint";
+import { State } from "localgame_page.slint";
+import { CheatsData } from "cheat_page.slint";
+export { InputProfileDialog } from "input_profile.slint";
+export { VruDialog } from "vru_dialog.slint";
+export { NetplayCreate } from "netplay_create.slint";
+export { NetplayJoin } from "netplay_join.slint";
+export { NetplayWait } from "netplay_wait.slint";
+
+export component AppWindow inherits Window {
+    callback wiki_button_clicked;
+    callback discord_button_clicked;
+    callback newversion_button_clicked;
+    callback patreon_button_clicked;
+    callback github_sponsors_button_clicked;
+    callback source_code_button_clicked;
+    callback open_rom_button_clicked;
+    callback saves_folder_button_clicked;
+    callback input_profile_button_clicked;
+    callback create_session_button_clicked;
+    callback join_session_button_clicked;
+    callback netplay_discord_button_clicked;
+    callback netplay_feedback_button_clicked;
+    callback cheats_select_rom_clicked;
+    callback cheats_clear_clicked;
+    callback cheat_toggled(string, string, string, bool);
+    in property version <=> AboutData.version;
+    in property has_update <=> AboutData.has_update;
+    in-out property integer_scaling <=> SettingsData.integer_scaling;
+    in-out property fullscreen <=> SettingsData.fullscreen;
+    in-out property widescreen <=> SettingsData.widescreen;
+    in-out property apply_crt_shader <=> SettingsData.apply_crt_shader;
+    in-out property overclock_n64_cpu <=> SettingsData.overclock_n64_cpu;
+    in-out property disable_expansion_pak <=> SettingsData.disable_expansion_pak;
+    in-out property resolution <=> SettingsData.resolution;
+    in-out property emulate_vru <=> ControllerData.emulate_vru;
+    in-out property controller_enabled <=> ControllerData.controller_enabled;
+    in-out property transferpak <=> ControllerData.transferpak;
+    in-out property selected_profile_binding <=> ControllerData.selected_profile_binding;
+    in-out property input_profiles <=> ControllerData.input_profiles;
+    in-out property controller_names <=> ControllerData.controller_names;
+    in-out property selected_controller <=> ControllerData.selected_controller;
+    in-out property game_running <=> State.game_running;
+    in-out property blank_profiles <=> ControllerData.blank_profiles;
+    in-out property cheat_game_name <=> CheatsData.cheat_game_name;
+    in-out property cheat_game_crc <=> CheatsData.cheat_game_crc;
+    in-out property cheats <=> CheatsData.cheats;
+    preferred-width: 700px;
+    preferred-height: 500px;
+    title: @tr("Gopher64");
+    icon: @image-url("../../../data/gopher64.png");
+
+    HorizontalLayout {
+        side-bar := SideBar {
+            title: @tr("Gopher64");
+            model: [
+                @tr("Menu" => "Local Game"),
+                @tr("Menu" => "Controller Config"),
+                @tr("Menu" => "Netplay"),
+                @tr("Menu" => "Cheats"),
+                @tr("Menu" => "Settings"),
+                @tr("Menu" => "About")
+            ];
+        }
+
+        if(side-bar.current-item == 0): LocalGame {
+            open_rom_button_clicked => {
+                open_rom_button_clicked();
+            }
+            saves_folder_button_clicked => {
+                saves_folder_button_clicked();
+            }
+            newversion_button_clicked => {
+                newversion_button_clicked();
+            }
+        }
+        if(side-bar.current-item == 1): ControllerConfig {
+            input_profile_button_clicked => {
+                input_profile_button_clicked();
+            }
+        }
+        if(side-bar.current-item == 2): Netplay {
+            create_session_button_clicked => {
+                create_session_button_clicked();
+            }
+            join_session_button_clicked => {
+                join_session_button_clicked();
+            }
+            netplay_discord_button_clicked => {
+                netplay_discord_button_clicked();
+            }
+            netplay_feedback_button_clicked => {
+                netplay_feedback_button_clicked();
+            }
+        }
+        if(side-bar.current-item == 3): Cheats {
+            cheats_select_rom_clicked => {
+                cheats_select_rom_clicked();
+            }
+            cheats_clear_clicked => {
+                cheats_clear_clicked();
+            }
+            cheat_toggled(game_crc, cheat_name, option, enabled) => {
+                cheat_toggled(game_crc,cheat_name,option,enabled);
+            }
+        }
+        if(side-bar.current-item == 4): Settings { }
+        if(side-bar.current-item == 5): About {
+            wiki_button_clicked => {
+                wiki_button_clicked();
+            }
+            discord_button_clicked => {
+                discord_button_clicked();
+            }
+            newversion_button_clicked => {
+                newversion_button_clicked();
+            }
+            patreon_button_clicked => {
+                patreon_button_clicked();
+            }
+            github_sponsors_button_clicked => {
+                github_sponsors_button_clicked();
+            }
+            source_code_button_clicked => {
+                source_code_button_clicked();
+            }
+        }
+    }
+}
+
+export component ErrorDialog inherits Dialog {
+    in-out property <string> text;
+    title: @tr("Error");
+    Text {
+        text: text;
+    }
+
+    StandardButton {
+        kind: close;
+    }
+}

src/ui/gui/cheat_page.slint

@@ -0,0 +1,89 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { ListView, HorizontalBox, VerticalBox, Button, GroupBox, CheckBox } from "std-widgets.slint";
+import { Page } from "page.slint";
+
+export global CheatsData {
+    in-out property <string> cheat_game_name;
+    in-out property <string> cheat_game_crc;
+    in-out property <[{cheat_name:string, notes:string, enabled:bool, options:[{option:string, enabled:bool}]}]> cheats;
+}
+
+export component Cheats inherits Page {
+    title: @tr("Cheats");
+    callback cheats_select_rom_clicked;
+    callback cheats_clear_clicked;
+    callback cheat_toggled(string, string, string, bool);
+
+    VerticalBox {
+        alignment: start;
+        HorizontalBox {
+            alignment: start;
+            if CheatsData.cheat_game_name == "": Button {
+                text: @tr("Select ROM");
+                clicked => {
+                    cheats_select_rom_clicked();
+                }
+            }
+            if CheatsData.cheat_game_name != "": Button {
+                text: CheatsData.cheat_game_name;
+                clicked => {
+                    cheats_select_rom_clicked();
+                }
+            }
+            Rectangle {
+                width: 20px;
+            }
+
+            Button {
+                text: @tr("Clear Cheats For All ROMs");
+                clicked => {
+                    cheats_clear_clicked();
+                }
+            }
+        }
+
+        Rectangle { }
+
+        if CheatsData.cheats.length > 0:ListView {
+            preferred-height: 500px;
+            preferred-width: 520px;
+            for data in CheatsData.cheats: VerticalBox {
+                Text {
+                    text: data.cheat_name;
+                    font-size: 16px;
+                    wrap: word-wrap;
+                }
+
+                if data.notes != "":Text {
+                    text: data.notes;
+                    wrap: word-wrap;
+                }
+
+                if data.options.length == 0: CheckBox {
+                    text: @tr("Enabled");
+                    checked: data.enabled;
+                    toggled => {
+                        data.enabled = self.checked;
+                        cheat_toggled(CheatsData.cheat_game_crc,data.cheat_name,"",self.checked);
+                    }
+                }
+                for item[index] in data.options: CheckBox {
+                    text: item.option;
+                    enabled: !data.enabled || (data.enabled && item.enabled);
+                    checked: item.enabled;
+                    toggled => {
+                        item.enabled = self.checked;
+                        data.enabled = self.checked;
+                        cheat_toggled(CheatsData.cheat_game_crc,data.cheat_name,item.option,self.checked);
+                    }
+                }
+                Rectangle { }
+            }
+        }
+        if CheatsData.cheats.length == 0 && CheatsData.cheat_game_name != "": Text {
+            text: @tr("No Cheats Available");
+        }
+    }
+}

src/ui/gui/controller_page.slint

@@ -0,0 +1,120 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { CheckBox, ComboBox, Button, HorizontalBox, VerticalBox, GroupBox } from "std-widgets.slint";
+import { Page } from "page.slint";
+import { State } from "localgame_page.slint";
+
+export global ControllerData {
+    in-out property <bool> emulate_vru;
+    in-out property <[bool]> controller_enabled;
+    in-out property <[bool]> transferpak;
+    in-out property <[int]> selected_profile_binding: [-1, -1, -1, -1];
+    in-out property <[string]> input_profiles;
+    in-out property <[string]> controller_names;
+    in-out property <[int]> selected_controller;
+    in-out property <bool> blank_profiles;
+}
+
+export component ControllerConfig inherits Page {
+    callback input_profile_button_clicked;
+    title: @tr("Controller Configuration");
+
+    VerticalBox {
+        alignment: start;
+        HorizontalBox {
+            alignment: start;
+            Button {
+                text: @tr("Configure Input Profile");
+                enabled: !State.game_running;
+                clicked => {
+                    input_profile_button_clicked();
+                }
+            }
+        }
+
+        Rectangle { }
+
+        HorizontalBox {
+            GroupBox {
+                title: @tr("Port");
+                VerticalLayout {
+                    alignment: space-between;
+                    for player in [0, 1, 2, 3]: Text {
+                        text: player + 1;
+                        vertical-alignment: center;
+                    }
+                }
+            }
+
+            GroupBox {
+                title: @tr("Enabled");
+                VerticalLayout {
+                    alignment: space-between;
+                    for player in [0, 1, 2, 3]: CheckBox {
+                        checked: ControllerData.controller_enabled[player];
+                        toggled => {
+                            ControllerData.controller_enabled[player] = self.checked;
+                        }
+                    }
+                }
+            }
+
+            GroupBox {
+                title: @tr("Emulate VRU");
+                VerticalLayout {
+                    alignment: space-between;
+                    for valid in [false, false, false, true]: CheckBox {
+                        enabled: valid;
+                        checked: valid && ControllerData.emulate_vru;
+                        toggled => {
+                            ControllerData.emulate_vru = self.checked;
+                        }
+                    }
+                }
+            }
+
+            GroupBox {
+                title: @tr("Transfer Pak");
+                VerticalLayout {
+                    alignment: space-between;
+                    for player in [0, 1, 2, 3]: CheckBox {
+                        checked: ControllerData.transferpak[player];
+                        toggled => {
+                            ControllerData.transferpak[player] = self.checked;
+                        }
+                    }
+                }
+            }
+
+            if !ControllerData.blank_profiles: GroupBox {
+                title: @tr("Profile");
+                VerticalLayout {
+                    alignment: space-between;
+                    for player in [0, 1, 2, 3]: ComboBox {
+                        model: ControllerData.input_profiles;
+                        current-index: ControllerData.selected_profile_binding[player];
+                        selected => {
+                            ControllerData.selected_profile_binding[player] = self.current-index;
+                        }
+                    }
+                }
+            }
+
+            GroupBox {
+                title: @tr("Controller");
+                VerticalLayout {
+                    alignment: space-between;
+                    for player in [0, 1, 2, 3]: ComboBox {
+                        model: ControllerData.controller_names;
+                        width: self.preferred-width;
+                        current-index: ControllerData.selected_controller[player];
+                        selected => {
+                            ControllerData.selected_controller[player] = self.current-index;
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

src/ui/gui/gui_netplay.rs

@@ -1,941 +0,0 @@
-use crate::device;
-use crate::ui::gui::GopherEguiApp;
-use crate::ui::{self, gui};
-use eframe::egui;
-use sha2::{Digest, Sha256};
-
-const NETPLAY_VERSION: i32 = 17;
-const EMU_NAME: &str = "gopher64";
-
-#[derive(Default)]
-pub struct GameInfo {
-    pub md5: String,
-    pub game_name: String,
-    pub rom_label: String,
-    pub rom_contents: Vec<u8>,
-}
-
-#[derive(PartialEq, Default)]
-pub struct NetplayServer {
-    pub name: String,
-    pub ip: String,
-}
-
-#[derive(Default)]
-pub struct GuiNetplay {
-    pub create: bool,
-    pub join: bool,
-    pub wait: bool,
-    pub session_name: String,
-    pub password: String,
-    pub player_name: String,
-    pub error: String,
-    pub create_rom_label: String,
-    pub join_rom_label: String,
-    pub send_chat: bool,
-    pub have_sessions: Option<NetplayServer>,
-    pub begin_game: bool,
-    pub chat_log: String,
-    pub chat_message: String,
-    pub selected_session: Option<NetplayRoom>,
-    pub pending_begin: bool,
-    pub peer_addr: Option<std::net::SocketAddr>,
-    pub motd: String,
-    pub sessions: Vec<NetplayRoom>,
-    pub rom_contents: Vec<u8>,
-    pub player_number: u8,
-    pub player_names: [String; 4],
-    pub server: NetplayServer,
-    pub socket_waiting: bool,
-    pub game_info: GameInfo,
-    pub servers: Vec<NetplayServer>,
-    pub waiting_session: Option<NetplayRoom>,
-    pub socket:
-        Option<tungstenite::WebSocket<tungstenite::stream::MaybeTlsStream<std::net::TcpStream>>>,
-    pub server_receiver:
-        Option<tokio::sync::mpsc::Receiver<std::collections::HashMap<String, String>>>,
-    pub game_info_receiver: Option<tokio::sync::mpsc::Receiver<GameInfo>>,
-    pub broadcast_socket: Option<std::net::UdpSocket>,
-    pub broadcast_timer: Option<std::time::Instant>,
-}
-
-#[derive(serde::Serialize, serde::Deserialize, PartialEq, Default, Clone)]
-pub struct NetplayRoom {
-    room_name: Option<String>,
-    password: Option<String>,
-    protected: Option<bool>,
-    #[serde(rename = "MD5")]
-    md5: Option<String>,
-    game_name: Option<String>,
-    pub port: Option<i32>,
-    features: Option<std::collections::HashMap<String, String>>,
-    buffer_target: Option<i32>,
-}
-
-#[derive(serde::Serialize, serde::Deserialize)]
-pub struct NetplayMessage {
-    #[serde(rename = "type")]
-    message_type: String,
-    player_name: Option<String>,
-    client_sha: Option<String>,
-    netplay_version: Option<i32>,
-    emulator: Option<String>,
-    room: Option<NetplayRoom>,
-    accept: Option<i32>,
-    message: Option<String>,
-    auth: Option<String>,
-    player_names: Option<[String; 4]>,
-    #[serde(rename = "authTime")]
-    auth_time: Option<String>,
-    rooms: Option<Vec<NetplayRoom>>,
-}
-
-fn get_servers(app: &mut GopherEguiApp, ctx: &egui::Context) {
-    if app.netplay.servers.is_empty() {
-        if app.netplay.broadcast_socket.is_none() {
-            app.netplay.broadcast_socket = Some(
-                std::net::UdpSocket::bind((std::net::Ipv4Addr::UNSPECIFIED, 0))
-                    .expect("couldn't bind to address"),
-            );
-            let socket = app.netplay.broadcast_socket.as_ref().unwrap();
-            socket
-                .set_broadcast(true)
-                .expect("set_broadcast call failed");
-            socket
-                .set_nonblocking(true)
-                .expect("could not set up socket");
-            let data: [u8; 1] = [1];
-            socket
-                .send_to(&data, (std::net::Ipv4Addr::BROADCAST, 45000))
-                .expect("couldn't send data");
-            app.netplay.broadcast_timer =
-                Some(std::time::Instant::now() + std::time::Duration::from_secs(5));
-            ctx.request_repaint();
-        }
-        if app.netplay.server_receiver.is_none() {
-            let (tx, rx) = tokio::sync::mpsc::channel(1);
-            app.netplay.server_receiver = Some(rx);
-            let gui_ctx = ctx.clone();
-            let task = reqwest::get("https://m64p.s3.amazonaws.com/servers.json");
-            tokio::spawn(async move {
-                let response = task.await;
-                if let Ok(response) = response {
-                    tx.send(response.json().await.unwrap()).await.unwrap();
-                    gui_ctx.request_repaint();
-                }
-            });
-        }
-    }
-    if app.netplay.broadcast_timer.is_some()
-        && std::time::Instant::now() > app.netplay.broadcast_timer.unwrap()
-    {
-        app.netplay.broadcast_timer = None;
-    }
-    if app.netplay.broadcast_socket.is_some() && app.netplay.broadcast_timer.is_some() {
-        let mut buffer = [0; 1024];
-        let result = app
-            .netplay
-            .broadcast_socket
-            .as_ref()
-            .unwrap()
-            .recv_from(&mut buffer);
-        if result.is_ok() {
-            let (amt, _src) = result.unwrap();
-            let data: std::collections::HashMap<String, String> =
-                serde_json::from_slice(&buffer[..amt]).unwrap();
-            for server in data.iter() {
-                let (server_name, server_ip) = server;
-                app.netplay.servers.push(NetplayServer {
-                    name: server_name.to_string(),
-                    ip: server_ip.to_string(),
-                });
-                app.netplay.server = NetplayServer {
-                    name: server.0.clone(),
-                    ip: server.1.clone(),
-                };
-            }
-            app.netplay.broadcast_socket = None;
-        }
-        ctx.request_repaint();
-    }
-    if app.netplay.server_receiver.is_some() {
-        let result = app.netplay.server_receiver.as_mut().unwrap().try_recv();
-        if result.is_ok() {
-            for server in result.unwrap().iter() {
-                app.netplay.servers.push(NetplayServer {
-                    name: server.0.clone(),
-                    ip: server.1.clone(),
-                });
-            }
-            app.netplay.server_receiver = None;
-            if app.netplay.server.name.is_empty() {
-                let first_server = app.netplay.servers.first().unwrap();
-                app.netplay.server = NetplayServer {
-                    name: first_server.name.clone(),
-                    ip: first_server.ip.clone(),
-                };
-            }
-        }
-        ctx.request_repaint();
-    }
-}
-
-pub fn netplay_create(app: &mut GopherEguiApp, ctx: &egui::Context) {
-    egui::Window::new("Create Netplay Session").show(ctx, |ui| {
-        egui::Grid::new("netplay_create_grid").show(ui, |ui| {
-            let profile_name_label = ui.label("Session Name:");
-            let mut size = ui.spacing().interact_size;
-            size.x = 200.0;
-            ui.add_sized(size, |ui: &mut egui::Ui| {
-                ui.text_edit_singleline(&mut app.netplay.session_name)
-                    .labelled_by(profile_name_label.id)
-            });
-
-            ui.end_row();
-
-            let password_label = ui.label("Password (Optional):");
-
-            ui.text_edit_singleline(&mut app.netplay.password)
-                .labelled_by(password_label.id);
-
-            ui.end_row();
-
-            ui.label("ROM");
-            if app.netplay.create_rom_label.is_empty() {
-                app.netplay.create_rom_label = "Open ROM".to_string();
-            }
-            if ui.button(&app.netplay.create_rom_label).clicked() {
-                let (tx, rx) = tokio::sync::mpsc::channel(1);
-                app.netplay.game_info_receiver = Some(rx);
-                let gui_ctx = ctx.clone();
-                app.netplay.create_rom_label = "Inspecting ROM".to_string();
-                let task = rfd::AsyncFileDialog::new()
-                    .set_title("Select ROM")
-                    .pick_file();
-                tokio::spawn(async move {
-                    let file = task.await;
-
-                    if let Some(file) = file {
-                        parse_rom_file(file, tx).await;
-                    } else {
-                        tx.send(GameInfo {
-                            md5: "".to_string(),
-                            game_name: "".to_string(),
-                            rom_label: "Open ROM".to_string(),
-                            rom_contents: vec![],
-                        })
-                        .await
-                        .unwrap();
-                    }
-                    gui_ctx.request_repaint();
-                });
-            }
-
-            ui.end_row();
-
-            let player_name_label = ui.label("Player Name:");
-
-            ui.text_edit_singleline(&mut app.netplay.player_name)
-                .labelled_by(player_name_label.id);
-
-            ui.end_row();
-
-            ui.label("Server:");
-
-            get_servers(app, ctx);
-
-            if app.netplay.game_info_receiver.is_some() {
-                let result = app.netplay.game_info_receiver.as_mut().unwrap().try_recv();
-                if result.is_ok() {
-                    app.netplay.game_info_receiver = None;
-                    let data = result.unwrap();
-                    if !data.md5.is_empty() {
-                        app.netplay.game_info = data;
-                        app.netplay.rom_contents = app.netplay.game_info.rom_contents.clone();
-                        app.netplay.create_rom_label = app.netplay.game_info.rom_label.clone();
-                    } else {
-                        app.netplay.create_rom_label = data.rom_label;
-                    }
-                }
-                ctx.request_repaint();
-            }
-
-            egui::ComboBox::from_id_salt("server-combobox")
-                .selected_text(app.netplay.server.name.to_string())
-                .show_ui(ui, |ui| {
-                    for server in app.netplay.servers.iter() {
-                        ui.selectable_value(
-                            &mut app.netplay.server,
-                            NetplayServer {
-                                name: server.name.clone(),
-                                ip: server.ip.clone(),
-                            },
-                            server.name.clone(),
-                        );
-                    }
-                });
-
-            ui.end_row();
-
-            if app.netplay.socket_waiting {
-                let data = app.netplay.socket.as_mut().unwrap().read();
-                if data.is_ok() {
-                    let message: NetplayMessage =
-                        serde_json::from_slice(&data.unwrap().into_data()).unwrap();
-                    if message.accept.unwrap() == 0 {
-                        if message.message_type == "reply_create_room" {
-                            app.netplay.create = false;
-                            app.netplay.wait = true;
-                            app.netplay.waiting_session = Some(message.room.unwrap());
-                        }
-                    } else {
-                        app.netplay.error = message.message.unwrap();
-                    }
-                    app.netplay.socket_waiting = false;
-                }
-                ctx.request_repaint();
-            }
-        });
-        ui.horizontal(|ui| {
-            if ui.button("Create Session").clicked() {
-                if app.netplay.player_name.is_empty() {
-                    app.netplay.error = "Player Name cannot be empty".to_string();
-                } else if app.netplay.session_name.is_empty() {
-                    app.netplay.error = "Session Name cannot be empty".to_string();
-                } else if app.netplay.game_info.md5.is_empty() {
-                    app.netplay.error = "ROM not loaded".to_string();
-                } else {
-                    let now_utc = chrono::Utc::now().timestamp_millis().to_string();
-                    let hasher = Sha256::new().chain_update(&now_utc).chain_update(EMU_NAME);
-                    let mut game_name = app.netplay.game_info.game_name.to_string();
-                    if game_name.is_empty() {
-                        // If the ROM doesn't report a name, use the filename
-                        game_name = app.netplay.create_rom_label.clone();
-                    }
-                    let mut features = std::collections::HashMap::new();
-                    features.insert("overclock".to_string(), app.overclock.to_string());
-                    let netplay_message = NetplayMessage {
-                        message_type: "request_create_room".to_string(),
-                        player_name: Some(app.netplay.player_name.clone()),
-                        client_sha: Some(env!("GIT_HASH").to_string()),
-                        netplay_version: Some(NETPLAY_VERSION),
-                        emulator: Some(EMU_NAME.to_string()),
-                        accept: None,
-                        message: None,
-                        rooms: None,
-                        auth_time: Some(now_utc),
-                        player_names: None,
-                        auth: Some(format!("{:x}", hasher.finalize())),
-                        room: Some(NetplayRoom {
-                            room_name: Some(app.netplay.session_name.clone()),
-                            password: Some(app.netplay.password.clone()),
-                            game_name: Some(game_name),
-                            md5: Some(app.netplay.game_info.md5.clone()),
-                            protected: None,
-                            port: None,
-                            features: Some(features),
-                            buffer_target: None,
-                        }),
-                    };
-                    let (mut socket, _response) =
-                        tungstenite::connect(&app.netplay.server.ip).expect("Can't connect");
-                    socket
-                        .send(tungstenite::Message::Binary(tungstenite::Bytes::from(
-                            serde_json::to_vec(&netplay_message).unwrap(),
-                        )))
-                        .unwrap();
-                    match socket.get_mut() {
-                        tungstenite::stream::MaybeTlsStream::Plain(stream) => {
-                            app.netplay.peer_addr = Some(stream.peer_addr().unwrap());
-                            stream.set_nonblocking(true)
-                        }
-                        _ => unimplemented!(),
-                    }
-                    .expect("could not set socket to non-blocking");
-                    app.netplay.socket_waiting = true;
-                    app.netplay.socket = Some(socket);
-                }
-            }
-
-            ui.with_layout(egui::Layout::right_to_left(egui::Align::Center), |ui| {
-                if ui.button("Close").clicked() {
-                    if let Some(socket) = app.netplay.socket.as_mut() {
-                        socket.close(None).unwrap();
-                        loop {
-                            match socket.read() {
-                                Err(tungstenite::Error::ConnectionClosed) => break,
-                                _ => continue,
-                            };
-                        }
-                    }
-                    app.netplay = Default::default();
-                };
-            })
-        });
-    });
-}
-
-fn get_sessions(app: &mut GopherEguiApp, ctx: &egui::Context) {
-    if app.netplay.have_sessions.is_some()
-        && app.netplay.server != *app.netplay.have_sessions.as_ref().unwrap()
-    {
-        // User has changed the server
-        app.netplay.have_sessions = None;
-        app.netplay.socket = None;
-    }
-    if app.netplay.socket.is_none() {
-        let (mut sock, _response) =
-            tungstenite::connect(&app.netplay.server.ip).expect("Can't connect");
-        match sock.get_mut() {
-            tungstenite::stream::MaybeTlsStream::Plain(stream) => {
-                app.netplay.peer_addr = Some(stream.peer_addr().unwrap());
-                stream.set_nonblocking(true)
-            }
-            _ => unimplemented!(),
-        }
-        .expect("could not set socket to non-blocking");
-        app.netplay.socket = Some(sock);
-    }
-    let socket = app.netplay.socket.as_mut().unwrap();
-    if app.netplay.have_sessions.is_none() {
-        let now_utc = chrono::Utc::now().timestamp_millis().to_string();
-        let hasher = Sha256::new().chain_update(&now_utc).chain_update(EMU_NAME);
-        let request_rooms = NetplayMessage {
-            message_type: "request_get_rooms".to_string(),
-            player_name: None,
-            client_sha: None,
-            netplay_version: Some(NETPLAY_VERSION),
-            player_names: None,
-            emulator: Some(EMU_NAME.to_string()),
-            accept: None,
-            rooms: None,
-            message: None,
-            auth_time: Some(now_utc),
-            auth: Some(format!("{:x}", hasher.finalize())),
-            room: None,
-        };
-
-        socket
-            .send(tungstenite::Message::Binary(tungstenite::Bytes::from(
-                serde_json::to_vec(&request_rooms).unwrap(),
-            )))
-            .unwrap();
-        app.netplay.have_sessions = Some(NetplayServer {
-            name: app.netplay.server.name.clone(),
-            ip: app.netplay.server.ip.clone(),
-        });
-        app.netplay.socket_waiting = true;
-        ctx.request_repaint();
-    }
-}
-
-async fn parse_rom_file(file: rfd::FileHandle, tx: tokio::sync::mpsc::Sender<GameInfo>) {
-    if let Some(rom_contents) = device::get_rom_contents(file.path()) {
-        let hash = device::cart::rom::calculate_hash(&rom_contents);
-        let game_name = ui::storage::get_game_name(&rom_contents);
-
-        tx.send(GameInfo {
-            md5: hash,
-            game_name,
-            rom_label: file.file_name(),
-            rom_contents,
-        })
-        .await
-        .unwrap();
-    } else {
-        tx.send(GameInfo {
-            md5: "".to_string(),
-            game_name: "".to_string(),
-            rom_label: "Invalid ROM".to_string(),
-            rom_contents: vec![],
-        })
-        .await
-        .unwrap();
-    }
-}
-
-pub fn netplay_join(app: &mut GopherEguiApp, ctx: &egui::Context) {
-    if app.netplay.socket_waiting {
-        let socket = app.netplay.socket.as_mut().unwrap();
-        let data = socket.read();
-        if data.is_ok() {
-            let message: NetplayMessage =
-                serde_json::from_slice(&data.unwrap().into_data()).unwrap();
-            if message.accept.unwrap() == 0 {
-                if message.message_type == "reply_get_rooms" {
-                    if message.rooms.is_some() {
-                        app.netplay.sessions = message.rooms.unwrap();
-                    }
-                } else if message.message_type == "reply_join_room" {
-                    app.netplay.join = false;
-                    app.netplay.wait = true;
-                    app.netplay.waiting_session = Some(message.room.unwrap());
-                }
-                app.netplay.socket_waiting = false;
-            } else {
-                app.netplay.error = message.message.unwrap();
-                app.netplay.join_rom_label = "Join Session (Open ROM)".to_string();
-            }
-        }
-        ctx.request_repaint();
-    }
-    if app.netplay.game_info_receiver.is_some() {
-        let result = app.netplay.game_info_receiver.as_mut().unwrap().try_recv();
-        if result.is_ok() {
-            app.netplay.game_info_receiver = None;
-            let data = result.unwrap();
-            if !data.md5.is_empty() {
-                app.netplay.game_info = data;
-                app.netplay.rom_contents = app.netplay.game_info.rom_contents.clone();
-
-                let netplay_message = NetplayMessage {
-                    message_type: "request_join_room".to_string(),
-                    player_name: Some(app.netplay.player_name.clone()),
-                    client_sha: Some(env!("GIT_HASH").to_string()),
-                    netplay_version: None,
-                    emulator: None,
-                    accept: None,
-                    message: None,
-                    rooms: None,
-                    auth_time: None,
-                    player_names: None,
-                    auth: None,
-                    room: Some(NetplayRoom {
-                        room_name: None,
-                        password: Some(app.netplay.password.clone()),
-                        game_name: None,
-                        md5: Some(app.netplay.game_info.md5.clone()),
-                        protected: None,
-                        port: app.netplay.selected_session.as_ref().unwrap().port,
-                        features: None,
-                        buffer_target: None,
-                    }),
-                };
-                let socket = app.netplay.socket.as_mut().unwrap();
-                socket
-                    .send(tungstenite::Message::Binary(tungstenite::Bytes::from(
-                        serde_json::to_vec(&netplay_message).unwrap(),
-                    )))
-                    .unwrap();
-
-                app.netplay.socket_waiting = true;
-            } else {
-                app.netplay.error = data.rom_label;
-                app.netplay.join_rom_label = "Join Session (Open ROM)".to_string();
-            }
-        }
-        ctx.request_repaint();
-    }
-    egui::Window::new("Join Netplay Session").show(ctx, |ui| {
-        ui.horizontal(|ui| {
-            let mut size = ui.spacing().interact_size;
-            size.x = 100.0;
-            ui.add_sized(
-                size,
-                egui::TextEdit::singleline(&mut app.netplay.player_name).hint_text("Player name"),
-            );
-
-            get_servers(app, ctx);
-
-            ui.with_layout(egui::Layout::right_to_left(egui::Align::Center), |ui| {
-                if ui.button("Refresh").clicked() {
-                    app.netplay.socket = None;
-                    app.netplay.have_sessions = None;
-                    app.netplay.selected_session = None;
-                    ctx.request_repaint();
-                }
-                egui::ComboBox::from_id_salt("server-combobox")
-                    .selected_text(app.netplay.server.name.to_string())
-                    .show_ui(ui, |ui| {
-                        for server in app.netplay.servers.iter() {
-                            ui.selectable_value(
-                                &mut app.netplay.server,
-                                NetplayServer {
-                                    name: server.name.clone(),
-                                    ip: server.ip.clone(),
-                                },
-                                server.name.clone(),
-                            );
-                        }
-                    });
-            });
-        });
-        if !app.netplay.server.name.is_empty() {
-            get_sessions(app, ctx);
-        }
-        ui.add_space(16.0);
-        if app.netplay.sessions.is_empty() {
-            ui.label("No sessions available");
-        } else {
-            egui::Grid::new("netplay_join_grid").show(ui, |ui| {
-                ui.label(egui::RichText::new("Session Name (click to select)").underline());
-                ui.label(egui::RichText::new("Game Name").underline());
-                ui.label(egui::RichText::new("Password Protected").underline());
-                ui.end_row();
-
-                for room in app.netplay.sessions.iter() {
-                    ui.selectable_value(
-                        &mut app.netplay.selected_session,
-                        Some(room.clone()),
-                        room.room_name.as_ref().unwrap(),
-                    );
-                    ui.label(room.game_name.as_ref().unwrap());
-                    ui.label(room.protected.unwrap_or(false).to_string());
-                    ui.end_row();
-                }
-            });
-        }
-        ui.add_space(16.0);
-        ui.horizontal(|ui| {
-            let mut size = ui.spacing().interact_size;
-            size.x = 130.0;
-            ui.add_sized(
-                size,
-                egui::TextEdit::singleline(&mut app.netplay.password)
-                    .hint_text("Password (if required)"),
-            );
-            ui.with_layout(egui::Layout::right_to_left(egui::Align::Center), |ui| {
-                if ui.button("Close").clicked() {
-                    if let Some(socket) = app.netplay.socket.as_mut() {
-                        socket.close(None).unwrap();
-                        loop {
-                            match socket.read() {
-                                Err(tungstenite::Error::ConnectionClosed) => break,
-                                _ => continue,
-                            };
-                        }
-                    }
-                    app.netplay = Default::default();
-                };
-                if app.netplay.join_rom_label.is_empty() {
-                    app.netplay.join_rom_label = "Join Session (Open ROM)".to_string();
-                }
-                if ui.button(&app.netplay.join_rom_label).clicked() {
-                    if app.netplay.player_name.is_empty() {
-                        app.netplay.error = "Player Name cannot be empty".to_string();
-                    } else if app.netplay.selected_session.is_none() {
-                        app.netplay.error = "No session selected".to_string();
-                    } else if app
-                        .netplay
-                        .selected_session
-                        .as_ref()
-                        .unwrap()
-                        .protected
-                        .unwrap()
-                        && app.netplay.password.is_empty()
-                    {
-                        app.netplay.error = "Session requires a password".to_string();
-                    } else {
-                        let (tx, rx) = tokio::sync::mpsc::channel(1);
-                        app.netplay.game_info_receiver = Some(rx);
-                        let gui_ctx = ctx.clone();
-                        app.netplay.join_rom_label = "Inspecting ROM".to_string();
-                        let task = rfd::AsyncFileDialog::new()
-                            .set_title("Select ROM")
-                            .pick_file();
-                        tokio::spawn(async move {
-                            let file = task.await;
-
-                            if let Some(file) = file {
-                                parse_rom_file(file, tx).await;
-                            } else {
-                                tx.send(GameInfo {
-                                    md5: "".to_string(),
-                                    game_name: "".to_string(),
-                                    rom_label: "No ROM selected".to_string(),
-                                    rom_contents: vec![],
-                                })
-                                .await
-                                .unwrap();
-                            }
-                            gui_ctx.request_repaint();
-                        });
-                    }
-                };
-            });
-        });
-    });
-}
-
-pub fn netplay_wait(app: &mut GopherEguiApp, ctx: &egui::Context) {
-    let overclock = app
-        .netplay
-        .waiting_session
-        .as_ref()
-        .unwrap()
-        .features
-        .as_ref()
-        .unwrap()
-        .get("overclock")
-        .unwrap();
-
-    let motd_message = NetplayMessage {
-        message_type: "request_motd".to_string(),
-        player_name: None,
-        client_sha: None,
-        netplay_version: None,
-        emulator: None,
-        accept: None,
-        rooms: None,
-        player_names: None,
-        message: None,
-        auth_time: None,
-        auth: None,
-        room: None,
-    };
-    let request_players = NetplayMessage {
-        message_type: "request_players".to_string(),
-        player_name: None,
-        client_sha: None,
-        netplay_version: None,
-        player_names: None,
-        emulator: None,
-        rooms: None,
-        accept: None,
-        message: None,
-        auth_time: None,
-        auth: None,
-        room: Some(NetplayRoom {
-            room_name: None,
-            password: None,
-            game_name: None,
-            md5: None,
-            protected: None,
-            port: app.netplay.waiting_session.as_ref().unwrap().port,
-            features: None,
-            buffer_target: None,
-        }),
-    };
-
-    if !app.netplay.socket_waiting {
-        let socket = app.netplay.socket.as_mut().unwrap();
-        socket
-            .send(tungstenite::Message::Binary(tungstenite::Bytes::from(
-                serde_json::to_vec(&motd_message).unwrap(),
-            )))
-            .unwrap();
-        socket
-            .send(tungstenite::Message::Binary(tungstenite::Bytes::from(
-                serde_json::to_vec(&request_players).unwrap(),
-            )))
-            .unwrap();
-        app.netplay.socket_waiting = true;
-    }
-
-    if app.netplay.begin_game {
-        let begin_game = NetplayMessage {
-            message_type: "request_begin_game".to_string(),
-            player_name: None,
-            client_sha: None,
-            netplay_version: None,
-            player_names: None,
-            rooms: None,
-            emulator: None,
-            accept: None,
-            message: None,
-            auth_time: None,
-            auth: None,
-            room: Some(NetplayRoom {
-                room_name: None,
-                password: None,
-                game_name: None,
-                md5: None,
-                protected: None,
-                port: app.netplay.waiting_session.as_ref().unwrap().port,
-                features: None,
-                buffer_target: None,
-            }),
-        };
-        let socket = app.netplay.socket.as_mut().unwrap();
-        socket
-            .send(tungstenite::Message::Binary(tungstenite::Bytes::from(
-                serde_json::to_vec(&begin_game).unwrap(),
-            )))
-            .unwrap();
-        app.netplay.begin_game = false;
-    }
-
-    if app.netplay.send_chat {
-        let send_chat = NetplayMessage {
-            message_type: "request_chat_message".to_string(),
-            player_name: Some(app.netplay.player_name.clone()),
-            client_sha: None,
-            netplay_version: None,
-            player_names: None,
-            rooms: None,
-            emulator: None,
-            accept: None,
-            message: Some(app.netplay.chat_message.clone()),
-            auth_time: None,
-            auth: None,
-            room: Some(NetplayRoom {
-                room_name: None,
-                password: None,
-                game_name: None,
-                md5: None,
-                protected: None,
-                port: app.netplay.waiting_session.as_ref().unwrap().port,
-                features: None,
-                buffer_target: None,
-            }),
-        };
-        app.netplay.chat_message.clear();
-        let socket = app.netplay.socket.as_mut().unwrap();
-        socket
-            .send(tungstenite::Message::Binary(tungstenite::Bytes::from(
-                serde_json::to_vec(&send_chat).unwrap(),
-            )))
-            .unwrap();
-        app.netplay.send_chat = false;
-    }
-
-    if app.netplay.socket_waiting {
-        let socket = app.netplay.socket.as_mut().unwrap();
-        let data = socket.read();
-        if data.is_ok() {
-            let message: NetplayMessage =
-                serde_json::from_slice(&data.unwrap().into_data()).unwrap();
-            if message.accept.unwrap() == 0 {
-                if message.message_type == "reply_motd" {
-                    let re = regex::Regex::new(r"<[^>]*>").unwrap();
-                    app.netplay.motd = re
-                        .replace_all(message.message.unwrap().as_str(), "")
-                        .into_owned();
-                } else if message.message_type == "reply_players" {
-                    app.netplay.player_names = message.player_names.unwrap();
-                } else if message.message_type == "reply_chat_message" {
-                    app.netplay.chat_log.push_str(&message.message.unwrap());
-                    app.netplay.chat_log.push('\n');
-                } else if message.message_type == "reply_begin_game" {
-                    let mut player = 0;
-                    for (i, name) in app.netplay.player_names.iter().enumerate() {
-                        if *name == app.netplay.player_name {
-                            player = i;
-                            break;
-                        }
-                    }
-                    app.netplay.player_number = player as u8;
-
-                    if message.accept.unwrap() == 0 {
-                        socket.close(None).unwrap();
-                        loop {
-                            match socket.read() {
-                                Err(tungstenite::Error::ConnectionClosed) => break,
-                                _ => continue,
-                            };
-                        }
-
-                        gui::open_rom(app, ctx, *overclock == "true");
-                        app.netplay = Default::default();
-                        return;
-                    } else {
-                        app.netplay.error = message.message.unwrap();
-                    }
-                }
-            } else {
-                app.netplay.error = message.message.unwrap();
-            }
-        }
-        ctx.request_repaint();
-    }
-
-    egui::Window::new("Pending Netplay Session").show(ctx, |ui| {
-        egui::Grid::new("netplay_wait_grid_1").show(ui, |ui| {
-            ui.label("Session Name:");
-            let room_name = app
-                .netplay
-                .waiting_session
-                .as_ref()
-                .unwrap()
-                .room_name
-                .as_ref()
-                .unwrap();
-            let game_name = app
-                .netplay
-                .waiting_session
-                .as_ref()
-                .unwrap()
-                .game_name
-                .as_ref()
-                .unwrap();
-            ui.label(room_name);
-            ui.end_row();
-            ui.label("Game Name:");
-            ui.label(game_name);
-            ui.end_row();
-            for i in 0..4 {
-                ui.label(format!("Player {}:", i + 1));
-                ui.label(app.netplay.player_names[i].clone());
-                ui.end_row();
-            }
-        });
-        egui::ScrollArea::vertical()
-            .max_height(100.0)
-            .stick_to_bottom(true)
-            .show(ui, |ui| {
-                ui.add(
-                    egui::TextEdit::multiline(&mut app.netplay.chat_log)
-                        .interactive(false)
-                        .desired_width(ui.available_width()),
-                );
-            });
-
-        ui.horizontal(|ui| {
-            let mut size = ui.spacing().interact_size;
-            size.x = 200.0;
-
-            ui.add_sized(
-                size,
-                egui::TextEdit::singleline(&mut app.netplay.chat_message)
-                    .hint_text("Enter chat message here"),
-            );
-
-            if ui
-                .add_enabled(!app.netplay.send_chat, egui::Button::new("Send Message"))
-                .clicked()
-                && !app.netplay.chat_message.is_empty()
-            {
-                app.netplay.send_chat = true;
-            }
-        });
-
-        ui.add_space(16.0);
-        ui.label(app.netplay.motd.clone());
-        ui.add_space(16.0);
-
-        ui.horizontal(|ui| {
-            let button_enabled = app.netplay.player_name == app.netplay.player_names[0]
-                && !app.netplay.pending_begin;
-            if ui
-                .add_enabled(button_enabled, egui::Button::new("Start Session"))
-                .clicked()
-            {
-                app.netplay.begin_game = true;
-                app.netplay.pending_begin = true;
-            }
-            ui.with_layout(egui::Layout::right_to_left(egui::Align::Center), |ui| {
-                if ui.button("Close").clicked() {
-                    if let Some(socket) = app.netplay.socket.as_mut() {
-                        socket.close(None).unwrap();
-                        loop {
-                            match socket.read() {
-                                Err(tungstenite::Error::ConnectionClosed) => break,
-                                _ => continue,
-                            };
-                        }
-                    }
-                    app.netplay = Default::default();
-                };
-            });
-        });
-    });
-}
-
-pub fn netplay_error(app: &mut GopherEguiApp, ctx: &egui::Context, error: String) {
-    egui::Window::new("Netplay Error").show(ctx, |ui| {
-        ui.label(error);
-        if ui.button("Close").clicked() {
-            app.netplay.error = "".to_string();
-        };
-    });
-}

src/ui/gui/input_profile.slint

@@ -0,0 +1,45 @@
+import { StandardButton, HorizontalBox, VerticalBox, Button, LineEdit, CheckBox } from "std-widgets.slint";
+
+export global InputProfileData {
+    in-out property <bool> dinput;
+    in-out property <string> profile_name;
+}
+
+export component InputProfileDialog inherits Window {
+    title: @tr("Create Input Profile");
+    callback profile_creation_button_clicked;
+    in-out property dinput <=> InputProfileData.dinput;
+    in-out property profile_name <=> InputProfileData.profile_name;
+    VerticalBox {
+        HorizontalBox {
+            LineEdit {
+                placeholder-text: @tr("Enter profile name");
+                preferred-width: 300px;
+                edited(text) => {
+                    InputProfileData.profile_name = text;
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: center;
+            CheckBox {
+                text: @tr("Use DirectInput");
+                checked: InputProfileData.dinput;
+                toggled => {
+                    InputProfileData.dinput = self.checked;
+                }
+            }
+        }
+
+        HorizontalBox {
+            Button {
+                text: @tr("Start Profile Creation Wizard");
+                enabled: InputProfileData.profile_name != "" && InputProfileData.profile_name != "default";
+                clicked => {
+                    profile_creation_button_clicked();
+                }
+            }
+        }
+    }
+}

src/ui/gui/localgame_page.slint

@@ -0,0 +1,48 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { Button, HorizontalBox, VerticalBox } from "std-widgets.slint";
+import { Page } from "page.slint";
+import { AboutData, NewVersionButton } from "about_page.slint";
+
+export global State {
+    in-out property <bool> game_running;
+}
+
+export component LocalGame inherits Page {
+    callback open_rom_button_clicked;
+    callback saves_folder_button_clicked;
+    callback newversion_button_clicked;
+    title: @tr("Local Game");
+
+    VerticalBox {
+        alignment: start;
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Open ROM");
+                enabled: !State.game_running;
+                clicked => {
+                    open_rom_button_clicked();
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Open Saves Folder");
+                clicked => {
+                    saves_folder_button_clicked();
+                }
+            }
+        }
+
+        if AboutData.has_update:NewVersionButton {
+            newversion_button_clicked => {
+                newversion_button_clicked();
+            }
+        }
+        Rectangle { }
+    }
+}

src/ui/gui/netplay_create.slint

@@ -0,0 +1,119 @@
+import { LineEdit, HorizontalBox, VerticalBox, Button, ComboBox } from "std-widgets.slint";
+import { NetplayData } from "netplay_page.slint";
+
+export component NetplayCreate inherits Window {
+    title: @tr("Netplay: Create Session");
+    in-out property server_names <=> NetplayData.server_names;
+    in-out property server_urls <=> NetplayData.server_urls;
+    in-out property ping <=> NetplayData.ping;
+    in-out property game_name <=> NetplayData.game_name;
+    in-out property game_hash <=> NetplayData.game_hash;
+    in-out property game_cheats <=> NetplayData.game_cheats;
+    in-out property pending_session <=> NetplayData.pending_session;
+    in-out property rom_path <=> NetplayData.rom_path;
+    in-out property peer_addr <=> NetplayData.peer_addr;
+    callback get_ping(string);
+    callback select_rom;
+    callback create_session(string, string, string, string, string, string, string);
+
+    VerticalBox {
+        HorizontalBox {
+            VerticalBox {
+                Text {
+                    text: @tr("Session Name:");
+                }
+
+                LineEdit {
+                    placeholder_text: @tr("Enter session name");
+                    edited(text) => {
+                        NetplayData.session_name = text;
+                    }
+                }
+            }
+
+            VerticalBox {
+                Text {
+                    text: @tr("Password (Optional):");
+                }
+
+                LineEdit {
+                    placeholder_text: @tr("Enter session password");
+                    edited(text) => {
+                        NetplayData.password = text;
+                    }
+                }
+            }
+        }
+
+        VerticalBox {
+            Text {
+                text: @tr("Player Name:");
+            }
+
+            LineEdit {
+                placeholder_text: @tr("Enter player name");
+                edited(text) => {
+                    NetplayData.player_name = text;
+                }
+            }
+        }
+
+        VerticalBox {
+            Text {
+                text: @tr("Server:");
+            }
+
+            HorizontalBox {
+                server := ComboBox {
+                    model: NetplayData.server_names;
+                    selected => {
+                        if (self.current-index >= 0) {
+                            get_ping(NetplayData.server_urls[self.current-index]);
+                        }
+                    }
+                }
+
+                Text {
+                    vertical-alignment: center;
+                    text: NetplayData.ping;
+                }
+            }
+        }
+
+        if NetplayData.game_name == "": Button {
+            text: @tr("Select ROM");
+            clicked => {
+                select_rom();
+            }
+        }
+        if NetplayData.game_name != "": Button {
+            text: NetplayData.game_name;
+            clicked => {
+                select_rom();
+            }
+        }
+
+        Rectangle { }
+
+        if NetplayData.game_cheats != "":Text {
+            text: @tr("This game has cheats enabled. Cheats will be synchronized with other players.");
+        }
+        Rectangle { }
+
+        Button {
+            text: @tr("Create Session");
+            enabled: NetplayData.session_name != "" && NetplayData.player_name != "" && NetplayData.game_name != "" && !NetplayData.pending_session;
+            clicked => {
+                NetplayData.pending_session = true;
+                create_session(
+                    NetplayData.server_urls[server.current-index],
+                    NetplayData.session_name,
+                    NetplayData.player_name,
+                    NetplayData.game_name,
+                    NetplayData.game_hash,
+                    NetplayData.game_cheats,
+                    NetplayData.password);
+            }
+        }
+    }
+}

src/ui/gui/netplay_join.slint

@@ -0,0 +1,131 @@
+import { VerticalBox, LineEdit, StandardTableView, HorizontalBox, ComboBox, Button } from "std-widgets.slint";
+import { NetplayData } from "netplay_page.slint";
+
+export component NetplayJoin inherits Window {
+    title: @tr("Netplay: Join Session");
+    in-out property server_names <=> NetplayData.server_names;
+    in-out property server_urls <=> NetplayData.server_urls;
+    in-out property ping <=> NetplayData.ping;
+    in-out property sessions <=> NetplayData.sessions;
+    in-out property current_session <=> NetplayData.current_session;
+    in-out property ports <=> NetplayData.ports;
+    in-out property game_name <=> NetplayData.game_name;
+    in-out property game_hash <=> NetplayData.game_hash;
+    in-out property game_cheats <=> NetplayData.game_cheats;
+    in-out property peer_addr <=> NetplayData.peer_addr;
+    in-out property pending_session <=> NetplayData.pending_session;
+    in-out property rom_path <=> NetplayData.rom_path;
+    callback get_ping(string);
+    callback refresh_session(string);
+    callback select_rom;
+    callback join_session(string, string, string, int);
+
+    VerticalBox {
+        HorizontalBox {
+            VerticalBox {
+                Text {
+                    text: @tr("Player Name:");
+                }
+
+                LineEdit {
+                    placeholder_text: @tr("Enter player name");
+                    edited(text) => {
+                        NetplayData.player_name = text;
+                    }
+                }
+            }
+
+            VerticalBox {
+                Text {
+                    text: @tr("Server:");
+                }
+
+                HorizontalBox {
+                    server := ComboBox {
+                        model: NetplayData.server_names;
+                        selected => {
+                            if (self.current-index >= 0) {
+                                get_ping(NetplayData.server_urls[self.current-index]);
+                            }
+                        }
+                    }
+
+                    Text {
+                        vertical-alignment: center;
+                        text: NetplayData.ping;
+                    }
+                }
+            }
+        }
+
+        if NetplayData.sessions.length > 0: Text {
+            text: @tr("Click on a session below to select it");
+            horizontal-alignment: center;
+            vertical-alignment: center;
+        }
+        if NetplayData.sessions.length == 0: Text {
+            text: @tr("No sessions available. Please refresh or try a different server.");
+            horizontal-alignment: center;
+            vertical-alignment: center;
+        }
+        StandardTableView {
+            columns: [
+                { title: "Session Name" },
+                { title: "Game Name" },
+                { title: "Password" },
+                { title: "Cheats" }
+            ];
+            rows: NetplayData.sessions;
+            current-row: NetplayData.current_session;
+            current-row-changed(current-row) => {
+                NetplayData.current_session = current-row;
+            }
+        }
+
+        HorizontalBox {
+            Rectangle { }
+
+            Button {
+                text: @tr("Refresh Session List");
+                clicked => {
+                    refresh_session(NetplayData.server_urls[server.current-index]);
+                }
+            }
+        }
+
+        HorizontalBox {
+            LineEdit {
+                placeholder-text: @tr("Password (if required)");
+                edited(text) => {
+                    NetplayData.password = text;
+                }
+            }
+
+            if NetplayData.game_name == "": Button {
+                text: @tr("Select ROM");
+                clicked => {
+                    select_rom();
+                }
+            }
+            if NetplayData.game_name != "": Button {
+                text: NetplayData.game_name;
+                clicked => {
+                    select_rom();
+                }
+            }
+
+            Button {
+                text: @tr("Join Session");
+                enabled: NetplayData.player_name != "" && NetplayData.current_session >= 0 && NetplayData.game_name != "" && !NetplayData.pending_session;
+                clicked => {
+                    NetplayData.pending_session = true;
+                    join_session(
+                    NetplayData.player_name,
+                    NetplayData.game_hash,
+                    NetplayData.password,
+                    NetplayData.ports[NetplayData.current_session]);
+                }
+            }
+        }
+    }
+}

src/ui/gui/netplay_page.slint

@@ -0,0 +1,75 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { VerticalBox, HorizontalBox, Button } from "std-widgets.slint";
+import { Page } from "page.slint";
+
+export global NetplayData {
+    in-out property <[string]> server_names;
+    in-out property <[string]> server_urls;
+    in-out property <string> ping: "Ping: Unknown";
+    in-out property <string> player_name;
+    in-out property <string> game_name;
+    in-out property <string> game_hash;
+    in-out property <string> game_cheats;
+    in-out property <string> rom_path;
+    in-out property <string> password;
+    in-out property <string> peer_addr;
+    in-out property <bool> pending_session;
+    in-out property <string> session_name;
+    in-out property <[[StandardListViewItem]]> sessions;
+    in-out property <[int]> ports;
+    in-out property <int> current_session: -1;
+}
+
+export component Netplay inherits Page {
+    callback create_session_button_clicked;
+    callback join_session_button_clicked;
+    callback netplay_discord_button_clicked;
+    callback netplay_feedback_button_clicked;
+    title: @tr("Netplay");
+
+    VerticalBox {
+        alignment: start;
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Create Session");
+                clicked => {
+                    create_session_button_clicked();
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Join Session");
+                clicked => {
+                    join_session_button_clicked();
+                }
+            }
+        }
+
+        Rectangle {
+            height: 20px;
+        }
+
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Netplay Discord Channel");
+                clicked => {
+                    netplay_discord_button_clicked();
+                }
+            }
+
+            Button {
+                text: @tr("Provide Feedback");
+                clicked => {
+                    netplay_feedback_button_clicked();
+                }
+            }
+        }
+    }
+}

src/ui/gui/netplay_wait.slint

@@ -0,0 +1,103 @@
+import { VerticalBox, HorizontalBox, TextEdit, ScrollView, LineEdit, Button, GridBox } from "std-widgets.slint";
+import { NetplayData } from "netplay_page.slint";
+
+export global NetplayWaitData {
+    in-out property <string> motd;
+    in-out property <[string]> players;
+    in-out property <int> port;
+    in-out property <bool> can_start;
+    in-out property <string> chat_text;
+}
+
+export component NetplayWait inherits Window {
+    title: @tr("Netplay: Waiting Room");
+    preferred-width: 400px;
+    preferred-height: 400px;
+    in-out property players <=> NetplayWaitData.players;
+    in-out property session_name <=> NetplayData.session_name;
+    in-out property game_name <=> NetplayData.game_name;
+    in-out property rom_path <=> NetplayData.rom_path;
+    in-out property motd <=> NetplayWaitData.motd;
+    in-out property port <=> NetplayWaitData.port;
+    in-out property can_start <=> NetplayWaitData.can_start;
+    in-out property chat_text <=> NetplayWaitData.chat_text;
+    callback send_chat_message(string);
+    callback begin_game;
+
+    VerticalBox {
+        Text {
+            text: @tr("Session Name: ") + NetplayData.session_name;
+            font-size: 15px;
+            horizontal-alignment: center;
+        }
+
+        Text {
+            text: @tr("Game Name: ") + NetplayData.game_name;
+            font-size: 15px;
+            horizontal-alignment: center;
+        }
+
+        GridBox {
+            Row {
+                Text {
+                    text: "Player 1: " + players[0];
+                }
+
+                Text {
+                    text: "Player 2: " + players[1];
+                }
+            }
+
+            Row {
+                Text {
+                    text: "Player 3: " + players[2];
+                }
+
+                Text {
+                    text: "Player 4: " + players[3];
+                }
+            }
+        }
+
+        TextEdit {
+            read-only: true;
+            text: NetplayWaitData.chat_text;
+        }
+
+        HorizontalBox {
+            chat_message := LineEdit {
+                placeholder_text: @tr("Enter chat message");
+                key-released(event) => {
+                    if (event.text == Key.Return && chat_message.text != "") {
+                        send_chat_message(chat_message.text);
+                        chat_message.text = "";
+                    }
+                    accept
+                }
+            }
+
+            Button {
+                text: @tr("Send Message");
+                enabled: chat_message.text != "";
+                clicked => {
+                    send_chat_message(chat_message.text);
+                    chat_message.text = "";
+                }
+            }
+        }
+
+        Text {
+            text: NetplayWaitData.motd;
+            wrap: word-wrap;
+        }
+
+        Button {
+            text: @tr("Start Game");
+            enabled: NetplayWaitData.can_start;
+            clicked => {
+                NetplayWaitData.can_start = false;
+                begin_game();
+            }
+        }
+    }
+}

src/ui/gui/page.slint

@@ -0,0 +1,23 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { Switch, GridBox, ListView, ScrollView, HorizontalBox, VerticalBox, Palette } from "std-widgets.slint";
+
+export component Page inherits VerticalBox {
+    in property <string> title: "title";
+
+    accessible-role: tab-panel;
+    accessible-label: root.title;
+
+    HorizontalBox {
+        Text {
+            font-size: 20px;
+            text <=> root.title;
+        }
+
+        // Spacer
+        Rectangle { }
+    }
+
+    @children
+}

src/ui/gui/pages.slint

@@ -0,0 +1,6 @@
+export { LocalGame } from "localgame_page.slint";
+export { ControllerConfig } from "controller_page.slint";
+export { Netplay } from "netplay_page.slint";
+export { Cheats } from "cheat_page.slint";
+export { Settings } from "settings_page.slint";
+export { About } from "about_page.slint";

src/ui/gui/settings_page.slint

@@ -0,0 +1,106 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { ComboBox, HorizontalBox, VerticalBox, CheckBox } from "std-widgets.slint";
+import { Page } from "page.slint";
+
+export global SettingsData {
+    in-out property <bool> integer_scaling;
+    in-out property <bool> fullscreen;
+    in-out property <bool> widescreen;
+    in-out property <bool> apply_crt_shader;
+    in-out property <bool> overclock_n64_cpu;
+    in-out property <bool> disable_expansion_pak;
+    in-out property <int> resolution;
+}
+
+export component Settings inherits Page {
+    title: @tr("Settings");
+
+    VerticalBox {
+        alignment: start;
+        HorizontalBox {
+            alignment: start;
+            Text {
+                text: @tr("Resolution:");
+                vertical-alignment: center;
+            }
+
+            ComboBox {
+                model: ["1x", "2x", "4x"];
+                current-index: SettingsData.resolution;
+                selected => {
+                    SettingsData.resolution = self.current-index;
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: start;
+            CheckBox {
+                text: @tr("Integer Scaling");
+                checked: SettingsData.integer_scaling;
+                toggled => {
+                    SettingsData.integer_scaling = self.checked;
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: start;
+            CheckBox {
+                text: @tr("Fullscreen (Esc closes game)");
+                checked: SettingsData.fullscreen;
+                toggled => {
+                    SettingsData.fullscreen = self.checked;
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: start;
+            CheckBox {
+                text: @tr("Widescreen (strech)");
+                checked: SettingsData.widescreen;
+                toggled => {
+                    SettingsData.widescreen = self.checked;
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: start;
+            CheckBox {
+                text: @tr("Apply CRT shader");
+                checked: SettingsData.apply_crt_shader;
+                toggled => {
+                    SettingsData.apply_crt_shader = self.checked;
+                }
+            }
+        }
+
+        Rectangle { }
+
+        HorizontalBox {
+            alignment: start;
+            CheckBox {
+                text: @tr("Overclock N64 CPU (may cause bugs)");
+                checked: SettingsData.overclock_n64_cpu;
+                toggled => {
+                    SettingsData.overclock_n64_cpu = self.checked;
+                }
+            }
+        }
+
+        HorizontalBox {
+            alignment: start;
+            CheckBox {
+                text: @tr("Disable Expansion Pak");
+                checked: SettingsData.disable_expansion_pak;
+                toggled => {
+                    SettingsData.disable_expansion_pak = self.checked;
+                }
+            }
+        }
+    }
+}

src/ui/gui/side_bar.slint

@@ -0,0 +1,145 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { HorizontalBox, VerticalBox, Palette } from "std-widgets.slint";
+
+component SideBarItem inherits Rectangle {
+    in property <int> tab-index;
+    in property <bool> selected;
+    in property <bool> has-focus;
+    in-out property <string> text <=> label.text;
+
+    callback clicked <=> touch.clicked;
+
+    min-height: l.preferred-height;
+    accessible-role: tab;
+    accessible-label: root.text;
+    accessible-item-index: root.tab-index;
+    accessible-item-selectable: true;
+    accessible-item-selected: root.selected;
+    accessible-action-default => {
+        self.clicked();
+    }
+
+    states [
+        pressed when touch.pressed: {
+            state.opacity: 0.8;
+        }
+        hover when touch.has-hover: {
+            state.opacity: 0.6;
+        }
+        selected when root.selected: {
+            state.opacity: 1;
+        }
+        focused when root.has-focus: {
+            state.opacity: 0.8;
+        }
+    ]
+
+    state := Rectangle {
+        opacity: 0;
+        background: Palette.background;
+
+        animate opacity { duration: 150ms; }
+    }
+
+    l := HorizontalBox {
+        y: (parent.height - self.height) / 2;
+        spacing: 0px;
+
+        label := Text {
+            vertical-alignment: center;
+            accessible-role: none;
+        }
+    }
+
+    touch := TouchArea {
+        width: 100%;
+        height: 100%;
+    }
+}
+
+export component SideBar inherits Rectangle {
+    in property <[string]> model: [];
+    in property <string> title <=> label.text;
+    out property <int> current-item: 0;
+    out property <int> current-focused: fs.has-focus ? fs.focused-tab : -1; // The currently focused tab
+
+    width: 180px;
+    forward-focus: fs;
+
+    Rectangle {
+        background: Palette.background.darker(0.2);
+    }
+
+    VerticalBox {
+        padding-left: 0px;
+        padding-right: 0px;
+        alignment: start;
+
+        label := Text {
+            font-size: 16px;
+            horizontal-alignment: center;
+        }
+
+        navigation := VerticalLayout {
+            alignment: start;
+            vertical-stretch: 0;
+            accessible-role: tab-list;
+            accessible-delegate-focus: root.current-focused >= 0 ? root.current-focused : root.current-item;
+            accessible-label: root.title;
+            accessible-item-count: root.model.length;
+
+            fs := FocusScope {
+                key-pressed(event) => {
+                    if (event.text == "\n") {
+                        root.current-item = root.current-focused;
+                        return accept;
+                    }
+                    if (event.text == Key.UpArrow) {
+                        self.focused-tab = Math.max(self.focused-tab - 1, 0);
+                        return accept;
+                    }
+                    if (event.text == Key.DownArrow) {
+                        self.focused-tab = Math.min(self.focused-tab + 1, root.model.length - 1);
+                        return accept;
+                    }
+                    return reject;
+                }
+
+                key-released(event) => {
+                    if (event.text == " ") {
+                        root.current-item = root.current-focused;
+                        return accept;
+                    }
+                    return reject;
+                }
+
+                property <int> focused-tab: 0;
+
+                x: 0;
+                width: 0; // Do not react on clicks
+            }
+
+            for item[index] in root.model: SideBarItem {
+                clicked => {
+                    root.current-item = index;
+                }
+
+                tab-index: index;
+                has-focus: index == root.current-focused;
+                text: item;
+                selected: index == root.current-item;
+            }
+        }
+
+        VerticalLayout {
+            bottom := VerticalBox {
+                padding-top: 0px;
+                padding-bottom: 0px;
+
+                @children
+            }
+        }
+    }
+}

src/ui/gui/vru_dialog.slint

@@ -0,0 +1,24 @@
+import { Button, VerticalBox, ScrollView } from "std-widgets.slint";
+export global VruData {
+    in-out property <[string]> words;
+}
+
+export component VruDialog inherits Window {
+    title: @tr("What Would You Like To Say?");
+    preferred-width: 400px;
+    preferred-height: 400px;
+    callback vru_button_clicked(string);
+    in-out property words <=> VruData.words;
+
+    ScrollView {
+        VerticalBox {
+            padding-bottom: 40px;
+            for word[i] in words: Button {
+                text: word;
+                clicked => {
+                    vru_button_clicked(self.text);
+                }
+            }
+        }
+    }
+}

src/ui/input.rs

@@ -334,6 +334,34 @@ fn change_paks(
     pressed
 }
 
+pub fn get_controller_names(game_ui: &ui::Ui) -> Vec<String> {
+    let mut controllers: Vec<String> = vec![];
+
+    for joystick in game_ui.input.joysticks.iter() {
+        let name = unsafe {
+            std::ffi::CStr::from_ptr(sdl3_sys::joystick::SDL_GetJoystickNameForID(*joystick))
+        };
+        controllers.push(name.to_string_lossy().to_string());
+    }
+
+    controllers
+}
+
+pub fn get_controller_paths(game_ui: &ui::Ui) -> Vec<Option<String>> {
+    let mut controller_paths: Vec<Option<String>> = vec![];
+
+    for joystick in game_ui.input.joysticks.iter() {
+        let path = unsafe {
+            std::ffi::CStr::from_ptr(sdl3_sys::joystick::SDL_GetJoystickPathForID(*joystick))
+                .to_string_lossy()
+                .to_string()
+        };
+        controller_paths.push(Some(path));
+    }
+
+    controller_paths
+}
+
 pub fn get(ui: &ui::Ui, channel: usize) -> InputData {
     let profile_name = ui.config.input.input_profile_binding[channel].clone();
     let profile = ui.config.input.input_profiles.get(&profile_name).unwrap();
@@ -889,7 +917,7 @@ pub fn init(ui: &mut ui::Ui) {
                 if !profile.dinput {
                     let gamepad = unsafe { sdl3_sys::gamepad::SDL_OpenGamepad(joystick_id) };
                     if gamepad.is_null() {
-                        println!("could not connect gamepad: {}", joystick_id)
+                        println!("could not connect gamepad: {joystick_id}")
                     } else {
                         ui.input.controllers[i].game_controller = gamepad;
                         let properties =
@@ -908,7 +936,7 @@ pub fn init(ui: &mut ui::Ui) {
                 } else {
                     let joystick = unsafe { sdl3_sys::joystick::SDL_OpenJoystick(joystick_id) };
                     if joystick.is_null() {
-                        println!("could not connect joystick: {}", joystick_id)
+                        println!("could not connect joystick: {joystick_id}")
                     } else {
                         ui.input.controllers[i].joystick = joystick;
                         let properties =

src/ui/storage.rs

@@ -57,10 +57,10 @@ fn get_save_type(rom: &[u8], game_id: &str) -> Vec<SaveTypes> {
             1 => return vec![SaveTypes::Eeprom4k],
             2 => return vec![SaveTypes::Eeprom16k],
             3 => return vec![SaveTypes::Sram],
-            4 => panic!("Unsupported save type: {}", save_type),
+            4 => panic!("Unsupported save type: {save_type}"),
             5 => return vec![SaveTypes::Flash],
-            6 => panic!("Unsupported save type: {}", save_type),
-            _ => panic!("Unknown save type: {}", save_type),
+            6 => panic!("Unsupported save type: {save_type}"),
+            _ => panic!("Unknown save type: {save_type}"),
         }
     }
     match game_id {
@@ -120,15 +120,26 @@ fn get_save_type(rom: &[u8], game_id: &str) -> Vec<SaveTypes> {
     }
 }
 
+pub fn get_game_crc(rom: &[u8]) -> String {
+    let crc1 = format!(
+        "{:08X}",
+        u32::from_be_bytes(rom[0x10..0x14].try_into().unwrap())
+    );
+    let crc2 = format!(
+        "{:08X}",
+        u32::from_be_bytes(rom[0x14..0x18].try_into().unwrap())
+    );
+    let country_code = format!("{:02X}", &rom[0x3E]);
+
+    format!("{crc1}-{crc2}-C:{country_code}")
+}
+
 pub fn get_game_name(rom: &[u8]) -> String {
     let mut game_name = "".to_owned();
     let header_value = std::str::from_utf8(&rom[0x20..0x34]);
-    if header_value.is_ok() {
+    if let Ok(header_value) = header_value {
         let re = regex::Regex::new(r"[^a-zA-Z0-9_ -]").unwrap();
-        game_name = re
-            .replace_all(header_value.unwrap(), "")
-            .trim()
-            .replace('\0', "");
+        game_name = re.replace_all(header_value, "").trim().replace('\0', "");
     }
     game_name
 }
@@ -197,29 +208,28 @@ pub fn init(ui: &mut ui::Ui, rom: &[u8]) {
 pub fn load_saves(ui: &mut ui::Ui, netplay: &mut Option<netplay::Netplay>) {
     if netplay.is_none() || netplay.as_ref().unwrap().player_number == 0 {
         let eep = std::fs::read(&ui.storage.paths.eep_file_path);
-        if eep.is_ok() {
-            ui.storage.saves.eeprom.data = eep.unwrap();
+        if let Ok(eep) = eep {
+            ui.storage.saves.eeprom.data = eep;
         }
         let sra = std::fs::read(&ui.storage.paths.sra_file_path);
-        if sra.is_ok() {
-            ui.storage.saves.sram.data = sra.unwrap();
+        if let Ok(sra) = sra {
+            ui.storage.saves.sram.data = sra;
         }
         let fla = std::fs::read(&ui.storage.paths.fla_file_path);
-        if fla.is_ok() {
-            ui.storage.saves.flash.data = fla.unwrap();
+        if let Ok(fla) = fla {
+            ui.storage.saves.flash.data = fla;
         }
         let mempak = std::fs::read(&ui.storage.paths.pak_file_path);
-        if mempak.is_ok() {
-            ui.storage.saves.mempak.data = mempak.unwrap();
+        if let Ok(mempak) = mempak {
+            ui.storage.saves.mempak.data = mempak;
         }
         let sdcard = std::fs::read(&ui.storage.paths.sdcard_file_path);
-        if sdcard.is_ok() {
-            ui.storage.saves.sdcard.data = sdcard.unwrap();
+        if let Ok(sdcard) = sdcard {
+            ui.storage.saves.sdcard.data = sdcard;
         }
         let romsave = std::fs::read(&ui.storage.paths.romsave_file_path);
-        if romsave.is_ok() {
-            ui.storage.saves.romsave.data =
-                postcard::from_bytes(romsave.unwrap().as_ref()).unwrap();
+        if let Ok(romsave) = romsave {
+            ui.storage.saves.romsave.data = postcard::from_bytes(romsave.as_ref()).unwrap();
         }
     }
 

src/ui/video.rs

@@ -114,7 +114,8 @@ pub fn load_state(device: &mut device::Device, rdp_state: *const u8) {
     }
 }
 
-pub fn check_callback(device: &mut device::Device) {
+pub fn check_callback(device: &mut device::Device) -> bool {
+    let mut speed_limiter_toggled = false;
     let callback = unsafe { rdp_check_callback() };
     device.cpu.running = callback.emu_running;
     if device.netplay.is_none() {
@@ -123,7 +124,10 @@ pub fn check_callback(device: &mut device::Device) {
         } else if callback.load_state {
             device.load_state = true;
         }
-        device.vi.enable_speed_limiter = callback.enable_speedlimiter;
+        if device.vi.enable_speed_limiter != callback.enable_speedlimiter {
+            speed_limiter_toggled = true;
+            device.vi.enable_speed_limiter = callback.enable_speedlimiter;
+        }
     }
 
     if callback.lower_volume {
@@ -131,6 +135,7 @@ pub fn check_callback(device: &mut device::Device) {
     } else if callback.raise_volume {
         ui::audio::raise_audio_volume(&mut device.ui);
     }
+    speed_limiter_toggled
 }
 
 pub fn set_register(reg: u32, value: u32) {

src/ui/vru.rs

@@ -1,18 +1,14 @@
-use eframe::egui;
-
 use crate::ui;
 
 pub fn prompt_for_match(
     words: &[String],
-    window_notifier: &tokio::sync::mpsc::Sender<Vec<String>>,
+    window_notifier: &tokio::sync::mpsc::Sender<Option<Vec<String>>>,
     word_index_receiver: &mut tokio::sync::mpsc::Receiver<String>,
-    gui_ctx: &egui::Context,
 ) -> u16 {
     let mut dedup_words = words.to_owned();
     dedup_words.sort();
     dedup_words.dedup();
-    window_notifier.try_send(dedup_words).unwrap();
-    gui_ctx.request_repaint(); // this is so the window pops up right away
+    window_notifier.try_send(Some(dedup_words)).unwrap();
     let mut result = word_index_receiver.try_recv();
     while result.is_err() {
         result = word_index_receiver.try_recv();