From ea11c6d098af8be90c0c1ec5a43dae6cfe6d9f1c Mon Sep 17 00:00:00 2001
From: Tim Allen <screwtape@froup.com>
Date: Sat, 19 May 2018 12:51:34 +1000
Subject: [PATCH] Update to v106r23 release.

byuu says:

Changelog:

  - bsnes: work on the new GUI; can load games now, but no input support
    yet
  - icarus: heuristics game/label uses filename instead of internal
    header name
---
 higan/emulator/emulator.hpp                   |  2 +-
 higan/systems/Super Famicom.sys/manifest.bml  |  2 +-
 higan/target-bsnes/GNUmakefile                |  4 +-
 higan/target-bsnes/bsnes.cpp                  |  4 +-
 higan/target-bsnes/bsnes.hpp                  |  4 +-
 higan/target-bsnes/input/input.cpp            | 56 +++++++++++++
 higan/target-bsnes/input/input.hpp            | 36 ++++++++
 .../presentation/presentation.cpp             | 64 +++++++++++++-
 .../presentation/presentation.hpp             | 26 +++++-
 higan/target-bsnes/program/data.cpp           | 21 +++++
 higan/target-bsnes/program/interface.cpp      | 84 +++++++++++++++++++
 higan/target-bsnes/program/program.cpp        | 77 ++++++++++++++++-
 higan/target-bsnes/program/program.hpp        | 22 +++++
 higan/target-bsnes/program/utility.cpp        | 34 ++++++++
 higan/target-bsnes/settings/settings.cpp      | 38 +++++++++
 higan/target-bsnes/settings/settings.hpp      | 15 ++++
 higan/target-higan/input/input.cpp            |  1 +
 higan/target-higan/program/utility.cpp        |  2 -
 icarus/heuristics/super-famicom.cpp           |  2 +-
 19 files changed, 478 insertions(+), 16 deletions(-)
 create mode 100644 higan/target-bsnes/input/input.cpp
 create mode 100644 higan/target-bsnes/input/input.hpp
 create mode 100644 higan/target-bsnes/program/data.cpp
 create mode 100644 higan/target-bsnes/program/interface.cpp
 create mode 100644 higan/target-bsnes/program/utility.cpp
 create mode 100644 higan/target-bsnes/settings/settings.cpp
 create mode 100644 higan/target-bsnes/settings/settings.hpp

diff --git a/higan/emulator/emulator.hpp b/higan/emulator/emulator.hpp
index e051c79b..eff1861d 100644
--- a/higan/emulator/emulator.hpp
+++ b/higan/emulator/emulator.hpp
@@ -12,7 +12,7 @@ using namespace nall;
 
 namespace Emulator {
   static const string Name    = "higan";
-  static const string Version = "106.22";
+  static const string Version = "106.23";
   static const string Author  = "byuu";
   static const string License = "GPLv3";
   static const string Website = "https://byuu.org/";
diff --git a/higan/systems/Super Famicom.sys/manifest.bml b/higan/systems/Super Famicom.sys/manifest.bml
index d296b492..67666905 100644
--- a/higan/systems/Super Famicom.sys/manifest.bml	
+++ b/higan/systems/Super Famicom.sys/manifest.bml	
@@ -4,7 +4,7 @@ system name:Super Famicom
   smp
     rom name=ipl.rom size=64
   ppu1 version=1
-    ram name=video.ram size=0x8000 volatile
+    ram name=video.ram size=0x10000 volatile
     ram name=object.ram size=544 volatile
   ppu2 version=3
     ram name=palette.ram size=512 volatile
diff --git a/higan/target-bsnes/GNUmakefile b/higan/target-bsnes/GNUmakefile
index 5fb64dab..0c4e1386 100644
--- a/higan/target-bsnes/GNUmakefile
+++ b/higan/target-bsnes/GNUmakefile
@@ -5,7 +5,7 @@ include sfc/GNUmakefile
 include gb/GNUmakefile
 include processor/GNUmakefile
 
-ui_objects := ui-bsnes ui-program ui-presentation
+ui_objects := ui-bsnes ui-program ui-input ui-presentation ui-settings
 ui_objects += ruby hiro
 ui_objects += $(if $(call streq,$(platform),windows),ui-resource)
 
@@ -39,7 +39,9 @@ obj/hiro.o: ../hiro/hiro.cpp $(call rwildcard,../hiro/)
 
 obj/ui-bsnes.o: $(ui)/bsnes.cpp $(call rwildcard,$(ui)/)
 obj/ui-program.o: $(ui)/program/program.cpp $(call rwildcard,$(ui)/)
+obj/ui-input.o: $(ui)/input/input.cpp $(call rwildcard,$(ui)/)
 obj/ui-presentation.o: $(ui)/presentation/presentation.cpp $(call rwildcard,$(ui)/)
+obj/ui-settings.o: $(ui)/settings/settings.cpp $(call rwildcard,$(ui)/)
 
 obj/ui-resource.o:
 	$(windres) data/bsnes.rc obj/ui-resource.o
diff --git a/higan/target-bsnes/bsnes.cpp b/higan/target-bsnes/bsnes.cpp
index df2af779..13278d93 100644
--- a/higan/target-bsnes/bsnes.cpp
+++ b/higan/target-bsnes/bsnes.cpp
@@ -1,8 +1,9 @@
 #include "bsnes.hpp"
+#include <sfc/interface/interface.hpp>
 unique_pointer<Video> video;
 unique_pointer<Audio> audio;
 unique_pointer<Input> input;
-Emulator::Interface* interface = nullptr;
+unique_pointer<Emulator::Interface> emulator;
 
 auto locate(string name) -> string {
   string location = {Path::program(), name};
@@ -18,6 +19,7 @@ auto locate(string name) -> string {
 #include <nall/main.hpp>
 auto nall::main(string_vector args) -> void {
   Application::setName("bsnes");
+  emulator = new SuperFamicom::Interface;
   new Program(args);
   Application::run();
 }
diff --git a/higan/target-bsnes/bsnes.hpp b/higan/target-bsnes/bsnes.hpp
index 16b15b48..41cb88f0 100644
--- a/higan/target-bsnes/bsnes.hpp
+++ b/higan/target-bsnes/bsnes.hpp
@@ -9,9 +9,11 @@ extern unique_pointer<Audio> audio;
 extern unique_pointer<Input> input;
 
 #include <emulator/emulator.hpp>
-extern Emulator::Interface* emulator;
+extern unique_pointer<Emulator::Interface> emulator;
 
 #include "program/program.hpp"
+#include "input/input.hpp"
 #include "presentation/presentation.hpp"
+#include "settings/settings.hpp"
 
 auto locate(string name) -> string;
diff --git a/higan/target-bsnes/input/input.cpp b/higan/target-bsnes/input/input.cpp
new file mode 100644
index 00000000..35c42167
--- /dev/null
+++ b/higan/target-bsnes/input/input.cpp
@@ -0,0 +1,56 @@
+#include "../bsnes.hpp"
+unique_pointer<InputManager> inputManager;
+
+auto InputMapping::poll() -> int16 {
+  return 0;
+}
+
+//
+
+InputManager::InputManager() {
+  inputManager = this;
+  frequency = 5;
+
+  for(auto& port : emulator->ports) {
+    InputPort inputPort{port.id, port.name};
+    for(auto& device : port.devices) {
+      InputDevice inputDevice{device.id, device.name};
+      for(auto& input : device.inputs) {
+        InputMapping inputMapping;
+        inputMapping.name = input.name;
+        inputMapping.type = input.type;
+        inputMapping.path = string{inputPort.name, "/", inputDevice.name, "/", inputMapping.name}.replace(" ", "");
+        inputDevice.mappings.append(inputMapping);
+      }
+      inputPort.devices.append(inputDevice);
+    }
+    ports.append(inputPort);
+  }
+
+  input->onChange({&InputManager::onChange, this});
+}
+
+auto InputManager::poll() -> void {
+  //polling actual hardware devices is time-consuming; skip if poll was called too recently
+  auto thisPoll = chrono::millisecond();
+  if(thisPoll - lastPoll < frequency) return;
+  lastPoll = thisPoll;
+
+  devices = input->poll();
+}
+
+auto InputManager::onChange(shared_pointer<HID::Device> device, uint group, uint input, int16_t oldValue, int16_t newValue) -> void {
+}
+
+auto InputManager::mapping(uint port, uint device, uint input) -> maybe<InputMapping&> {
+  if(!emulator) return nothing;
+  for(auto& inputPort : ports) {
+    if(inputPort.id != port) continue;
+    for(auto& inputDevice : inputPort.devices) {
+      if(inputDevice.id != device) continue;
+      if(input >= inputDevice.mappings.size()) continue;
+      return inputDevice.mappings[input];
+    }
+  }
+  return nothing;
+}
diff --git a/higan/target-bsnes/input/input.hpp b/higan/target-bsnes/input/input.hpp
new file mode 100644
index 00000000..6b696611
--- /dev/null
+++ b/higan/target-bsnes/input/input.hpp
@@ -0,0 +1,36 @@
+struct InputMapping {
+  auto poll() -> int16;
+
+  string path;  //configuration file key path
+  string name;  //input name (human readable)
+  uint type = 0;
+  string assignment = "None";
+};
+
+struct InputDevice {
+  uint id;
+  string name;
+  vector<InputMapping> mappings;
+};
+
+struct InputPort {
+  uint id;
+  string name;
+  vector<InputDevice> devices;
+};
+
+struct InputManager {
+  InputManager();
+  auto poll() -> void;
+  auto onChange(shared_pointer<HID::Device> device, uint group, uint input, int16_t oldValue, int16_t newValue) -> void;
+  auto mapping(uint port, uint device, uint input) -> maybe<InputMapping&>;
+
+private:
+  vector<shared_pointer<HID::Device>> devices;
+  vector<InputPort> ports;
+
+  uint64 lastPoll;   //time in milliseconds since last call to poll()
+  uint64 frequency;  //minimum time in milliseconds before poll() can be called again
+};
+
+extern unique_pointer<InputManager> inputManager;
diff --git a/higan/target-bsnes/presentation/presentation.cpp b/higan/target-bsnes/presentation/presentation.cpp
index 1fb3942e..1c5cc692 100644
--- a/higan/target-bsnes/presentation/presentation.cpp
+++ b/higan/target-bsnes/presentation/presentation.cpp
@@ -6,12 +6,57 @@ unique_pointer<Presentation> presentation;
 Presentation::Presentation() {
   presentation = this;
 
-  fileMenu.setText("File");
+  systemMenu.setText("System");
+  load.setText("Load Game ...").onActivate([&] {
+    BrowserDialog dialog;
+    dialog.setTitle("Load Game");
+    dialog.setPath({Path::user(), "bsnes/"});
+    dialog.setFilters({string{"SNES Games|*.sfc:*.smc"}});
+    if(auto location = dialog.openFile()) {
+      program->load(location);
+    }
+  });
+  reset.setText("Reset").setEnabled(false).onActivate([&] {
+    if(emulator->loaded()) emulator->reset();
+  });
+  controllerPort1.setText("Controller Port 1");
+  controllerPort2.setText("Controller Port 2");
+  for(auto& port : emulator->ports) {
+    Menu* menu = nullptr;
+    if(port.name == "Controller Port 1") menu = &controllerPort1;
+    if(port.name == "Controller Port 2") menu = &controllerPort2;
+    if(!menu) continue;
+
+    Group devices;
+    for(auto& device : port.devices) {
+      if(device.name == "None") continue;
+      MenuRadioItem item{menu};
+      item.setText(device.name).onActivate([=] {
+        emulator->connect(port.id, device.id);
+      });
+      devices.append(item);
+    }
+  }
   quit.setText("Quit").onActivate([&] { program->quit(); });
 
   settingsMenu.setText("Settings");
+  viewMenu.setText("View");
+  smallView.setText("Small").onActivate([&] {});
+  mediumView.setText("Medium").onActivate([&] {});
+  largeView.setText("Large").onActivate([&] {});
+  aspectCorrection.setText("Aspect Correction").onToggle([&] {});
+  integralScaling.setText("Integral Scaling").onToggle([&] {});
+  muteAudio.setText("Mute Audio").setChecked(settings["Audio/Mute"].boolean()).onToggle([&] {
+    settings["Audio/Mute"].setValue(muteAudio.checked());
+  });
+  configuration.setText("Configuration ...").onActivate([&] { settingsWindow->setVisible().setFocused(); });
 
   toolsMenu.setText("Tools");
+  saveState.setText("Save State").setEnabled(false);
+  loadState.setText("Load State").setEnabled(false);
+  pauseEmulation.setText("Pause Emulation").onToggle([&] {
+    if(pauseEmulation.checked()) audio->clear();
+  });
 
   helpMenu.setText("Help");
   about.setText("About ...").onActivate([&] {
@@ -24,7 +69,7 @@ Presentation::Presentation() {
 
   setTitle({"bsnes v", Emulator::Version});
   setBackgroundColor({0, 0, 0});
-  setSize({640, 480});
+  setSize({512, 480});
   setCentered();
 
   #if defined(PLATFORM_MACOS)
@@ -33,3 +78,18 @@ Presentation::Presentation() {
   Application::Cocoa::onQuit([&] { doClose(); });
   #endif
 }
+
+auto Presentation::clearViewport() -> void {
+  uint32_t* output;
+  uint length;
+  uint width = viewport.geometry().width();
+  uint height = viewport.geometry().height();
+  if(video->lock(output, length, width, height)) {
+    for(uint y : range(height)) {
+      auto line = output + y * (length >> 2);
+      for(uint x : range(width)) *line++ = 0xff000000;
+    }
+    video->unlock();
+    video->output();
+  }
+}
diff --git a/higan/target-bsnes/presentation/presentation.hpp b/higan/target-bsnes/presentation/presentation.hpp
index ec6e1b4e..38080e7e 100644
--- a/higan/target-bsnes/presentation/presentation.hpp
+++ b/higan/target-bsnes/presentation/presentation.hpp
@@ -10,17 +10,37 @@ struct AboutWindow : Window {
 
 struct Presentation : Window {
   Presentation();
+  auto clearViewport() -> void;
 
   MenuBar menuBar{this};
-    Menu fileMenu{&menuBar};
-      MenuItem quit{&fileMenu};
+    Menu systemMenu{&menuBar};
+      MenuItem load{&systemMenu};
+      MenuItem reset{&systemMenu};
+      MenuSeparator portSeparator{&systemMenu};
+      Menu controllerPort1{&systemMenu};
+      Menu controllerPort2{&systemMenu};
+      MenuSeparator quitSeparator{&systemMenu};
+      MenuItem quit{&systemMenu};
     Menu settingsMenu{&menuBar};
+      Menu viewMenu{&settingsMenu};
+        MenuItem smallView{&viewMenu};
+        MenuItem mediumView{&viewMenu};
+        MenuItem largeView{&viewMenu};
+        MenuSeparator viewSeparator{&viewMenu};
+        MenuCheckItem aspectCorrection{&viewMenu};
+        MenuCheckItem integralScaling{&viewMenu};
+      MenuCheckItem muteAudio{&settingsMenu};
+      MenuSeparator muteSeparator{&settingsMenu};
+      MenuItem configuration{&settingsMenu};
     Menu toolsMenu{&menuBar};
+      Menu saveState{&toolsMenu};
+      Menu loadState{&toolsMenu};
+      MenuCheckItem pauseEmulation{&toolsMenu};
     Menu helpMenu{&menuBar};
       MenuItem about{&helpMenu};
 
   FixedLayout layout{this};
-    Viewport viewport{&layout, Geometry{0, 0, 1, 1}};
+    Viewport viewport{&layout, Geometry{0, 0, 512, 480}};
 };
 
 extern unique_pointer<AboutWindow> aboutWindow;
diff --git a/higan/target-bsnes/program/data.cpp b/higan/target-bsnes/program/data.cpp
new file mode 100644
index 00000000..5fe873e8
--- /dev/null
+++ b/higan/target-bsnes/program/data.cpp
@@ -0,0 +1,21 @@
+static const string systemManifest = R"(
+system name:Super Famicom
+  cpu version=2
+    ram name=work.ram size=0x20000 volatile
+  smp
+    rom name=ipl.rom size=64
+  ppu1 version=1
+    ram name=video.ram size=0x10000 volatile
+    ram name=object.ram size=544 volatile
+  ppu2 version=3
+    ram name=palette.ram size=512 volatile
+  dsp
+    ram name=apu.ram size=0x10000 volatile
+)";
+
+static const uint8_t systemIPLROM[64] = {
+  0xcd, 0xef, 0xbd, 0xe8, 0x00, 0xc6, 0x1d, 0xd0, 0xfc, 0x8f, 0xaa, 0xf4, 0x8f, 0xbb, 0xf5, 0x78,
+  0xcc, 0xf4, 0xd0, 0xfb, 0x2f, 0x19, 0xeb, 0xf4, 0xd0, 0xfc, 0x7e, 0xf4, 0xd0, 0x0b, 0xe4, 0xf5,
+  0xcb, 0xf4, 0xd7, 0x00, 0xfc, 0xd0, 0xf3, 0xab, 0x01, 0x10, 0xef, 0x7e, 0xf4, 0x10, 0xeb, 0xba,
+  0xf6, 0xda, 0x00, 0xba, 0xf4, 0xc4, 0xf4, 0xdd, 0x5d, 0xd0, 0xdb, 0x1f, 0x00, 0x00, 0xc0, 0xff,
+};
diff --git a/higan/target-bsnes/program/interface.cpp b/higan/target-bsnes/program/interface.cpp
new file mode 100644
index 00000000..4edc085e
--- /dev/null
+++ b/higan/target-bsnes/program/interface.cpp
@@ -0,0 +1,84 @@
+#include <icarus/heuristics/heuristics.hpp>
+#include <icarus/heuristics/heuristics.cpp>
+#include <icarus/heuristics/super-famicom.cpp>
+#include <icarus/heuristics/game-boy.cpp>
+#include <icarus/heuristics/bs-memory.cpp>
+#include <icarus/heuristics/sufami-turbo.cpp>
+
+auto Program::open(uint id, string name, vfs::file::mode mode, bool required) -> vfs::shared::file {
+//print("Open ", id, ": ", name, "\n");
+
+  if(id == 0 && name == "manifest.bml") {
+    return vfs::memory::file::open(systemManifest.data<uint8_t>(), systemManifest.size());
+  }
+
+  if(id == 0 && name == "boards.bml") {
+    string location = {Path::local(), "higan/systems/Super Famicom.sys/boards.bml"};
+    return vfs::fs::file::open(location, mode);
+  }
+
+  if(id == 0 && name == "ipl.rom") {
+    return vfs::memory::file::open(systemIPLROM, 64);
+  }
+
+  if(id == 1 && name == "manifest.bml") {
+    auto data = file::read(context.gameROM);
+    Heuristics::SuperFamicom heuristics{data, context.gameROM};
+    auto manifest = heuristics.manifest();
+    return vfs::memory::file::open(manifest.data<uint8_t>(), manifest.size());
+  }
+
+  if(id == 1 && name == "program.rom") {
+    return vfs::fs::file::open(context.gameROM, mode);
+  }
+
+  if(id == 1 && (name == "save.ram" || name == "upd96050.data.ram")) {
+    return vfs::fs::file::open(context.gameRAM, mode);
+  }
+
+  return {};
+}
+
+auto Program::load(uint id, string name, string type, string_vector options) -> Emulator::Platform::Load {
+//print("Load ", id, ": ", name, ", ", type, ", ", options.merge(";"), "\n");
+
+  if(name == "Super Famicom" && type == "sfc") {
+    return {1, "Auto"};
+  }
+
+  return {};
+}
+
+auto Program::videoRefresh(const uint32* data, uint pitch, uint width, uint height) -> void {
+  uint32_t* output;
+  uint length;
+
+  if(video->lock(output, length, width, height)) {
+    pitch >>= 2;
+    length >>= 2;
+
+    for(auto y : range(height)) {
+      memory::copy(output + y * length, data + y * pitch, width * sizeof(uint32));
+    }
+
+    video->unlock();
+    video->output();
+  }
+}
+
+auto Program::audioSample(const double* samples, uint channels) -> void {
+  if(presentation->muteAudio.checked()) {
+    static const double mutedSamples[] = {0.0, 0.0};
+    audio->output(mutedSamples);
+  } else {
+    audio->output(samples);
+  }
+}
+
+auto Program::inputPoll(uint port, uint device, uint input) -> int16 {
+  inputManager->poll();
+  if(auto mapping = inputManager->mapping(port, device, input)) {
+    return mapping->poll();
+  }
+  return 0;
+}
diff --git a/higan/target-bsnes/program/program.cpp b/higan/target-bsnes/program/program.cpp
index 5af30fce..6ed2acf5 100644
--- a/higan/target-bsnes/program/program.cpp
+++ b/higan/target-bsnes/program/program.cpp
@@ -1,24 +1,95 @@
 #include "../bsnes.hpp"
-#include <sfc/interface/interface.hpp>
-#include <gb/interface/interface.hpp>
+#include "data.cpp"
+#include "interface.cpp"
+#include "utility.cpp"
 unique_pointer<Program> program;
 
 Program::Program(string_vector args) {
   program = this;
-
   Emulator::platform = this;
 
   new Presentation;
   presentation->setVisible();
 
+  if(settings["Crashed"].boolean()) {
+    MessageDialog().setText("Driver crash detected. Hardware drivers have been disabled.").information();
+    settings["Video/Driver"].setValue("None");
+    settings["Audio/Driver"].setValue("None");
+    settings["Input/Driver"].setValue("None");
+  }
+
+  settings["Crashed"].setValue(true);
+  settings.save();
+
+  initializeVideoDriver();
+  initializeAudioDriver();
+  initializeInputDriver();
+
+  settings["Crashed"].setValue(false);
+  settings.save();
+
+  new InputManager;
+  new SettingsWindow;
   new AboutWindow;
 
   Application::onMain({&Program::main, this});
 }
 
 auto Program::main() -> void {
+  inputManager->poll();
+
+  if(emulator->loaded() && !presentation->pauseEmulation.checked()) {
+    emulator->run();
+  } else {
+    usleep(20 * 1000);
+  }
 }
 
 auto Program::quit() -> void {
+  unload();
+  settings.save();
+  video.reset();
+  audio.reset();
+  input.reset();
   Application::quit();
 }
+
+auto Program::load(string location) -> void {
+  if(!file::exists(location)) return;
+  unload();
+
+  context.gameROM = location;
+  context.gameRAM = {Location::dir(location), Location::prefix(location), ".srm"};
+
+  auto type = Location::suffix(location).trimLeft(".", 1L);
+  for(auto& media : emulator->media) {
+    if(media.type != type) continue;
+
+    Emulator::audio.reset(2, audio->frequency());
+    if(emulator->load(media.id)) {
+      emulator->power();
+      presentation->setTitle(emulator->title());
+      presentation->reset.setEnabled(true);
+      presentation->saveState.setEnabled(true);
+      presentation->loadState.setEnabled(true);
+    }
+
+    break;
+  }
+}
+
+auto Program::save() -> void {
+  if(!emulator->loaded()) return;
+  emulator->save();
+}
+
+auto Program::unload() -> void {
+  if(!emulator->loaded()) return;
+  emulator->unload();
+  context = {};
+  presentation->setTitle({"bsnes v", Emulator::Version});
+  presentation->reset.setEnabled(false);
+  presentation->saveState.setEnabled(false);
+  presentation->loadState.setEnabled(false);
+  presentation->clearViewport();
+}
diff --git a/higan/target-bsnes/program/program.hpp b/higan/target-bsnes/program/program.hpp
index 367b5761..3c6d15a5 100644
--- a/higan/target-bsnes/program/program.hpp
+++ b/higan/target-bsnes/program/program.hpp
@@ -3,6 +3,28 @@ struct Program : Emulator::Platform {
   Program(string_vector args);
   auto main() -> void;
   auto quit() -> void;
+
+  auto load(string location) -> void;
+  auto save() -> void;
+  auto unload() -> void;
+
+  //interface.cpp
+  auto open(uint id, string name, vfs::file::mode mode, bool required) -> vfs::shared::file override;
+  auto load(uint id, string name, string type, string_vector options = {}) -> Emulator::Platform::Load override;
+  auto videoRefresh(const uint32* data, uint pitch, uint width, uint height) -> void override;
+  auto audioSample(const double* samples, uint channels) -> void override;
+  auto inputPoll(uint port, uint device, uint input) -> int16 override;
+
+  //utility.cpp
+  auto initializeVideoDriver() -> void;
+  auto initializeAudioDriver() -> void;
+  auto initializeInputDriver() -> void;
+
+private:
+  struct Context {
+    string gameROM;  //program.rom
+    string gameRAM;  //save.ram or upd96050.data.ram
+  } context;
 };
 
 extern unique_pointer<Program> program;
diff --git a/higan/target-bsnes/program/utility.cpp b/higan/target-bsnes/program/utility.cpp
new file mode 100644
index 00000000..8c4346e1
--- /dev/null
+++ b/higan/target-bsnes/program/utility.cpp
@@ -0,0 +1,34 @@
+auto Program::initializeVideoDriver() -> void {
+  video = Video::create(settings["Video/Driver"].text());
+  video->setContext(presentation->viewport.handle());
+  video->setExclusive(false);
+  video->setBlocking(settings["Video/Blocking"].boolean());
+  if(!video->ready()) {
+    MessageDialog().setText("Failed to initialize video driver").warning();
+    video = Video::create("None");
+  }
+  presentation->clearViewport();
+}
+
+auto Program::initializeAudioDriver() -> void {
+  audio = Audio::create(settings["Audio/Driver"].text());
+  audio->setContext(presentation->viewport.handle());
+  audio->setExclusive(false);
+  audio->setBlocking(settings["Audio/Blocking"].boolean());
+  audio->setChannels(2);
+  audio->setFrequency(48000.0);
+  audio->setLatency(0);
+  if(!audio->ready()) {
+    MessageDialog().setText("Failed to initialize audio driver").warning();
+    audio = Audio::create("None");
+  }
+}
+
+auto Program::initializeInputDriver() -> void {
+  input = Input::create(settings["Input/Driver"].boolean());
+  input->setContext(presentation->viewport.handle());
+  if(!input->ready()) {
+    MessageDialog().setText("Failed to initialize input driver").warning();
+    input = Input::create("None");
+  }
+}
diff --git a/higan/target-bsnes/settings/settings.cpp b/higan/target-bsnes/settings/settings.cpp
new file mode 100644
index 00000000..9f63addd
--- /dev/null
+++ b/higan/target-bsnes/settings/settings.cpp
@@ -0,0 +1,38 @@
+#include "../bsnes.hpp"
+Settings settings;
+unique_pointer<SettingsWindow> settingsWindow;
+
+Settings::Settings() {
+  Markup::Node::operator=(BML::unserialize(string::read(locate("settings.bml"))));
+
+  auto set = [&](string name, string value) {
+    //create node and set to default value only if it does not already exist
+    if(!operator[](name)) operator()(name).setValue(value);
+  };
+
+  set("Video/Driver", Video::safestDriver());
+  set("Video/Blocking", false);
+
+  set("Audio/Driver", Audio::safestDriver());
+  set("Audio/Blocking", true);
+  set("Audio/Mute", false);
+
+  set("Input/Driver", Input::safestDriver());
+
+  set("Crashed", false);
+}
+
+auto Settings::save() -> void {
+  file::write(locate("settings.bml"), BML::serialize(*this));
+}
+
+SettingsWindow::SettingsWindow() {
+  settingsWindow = this;
+
+  layout.setMargin(5);
+
+  setTitle("Settings");
+  setSize({600, 400});
+  setAlignment({0.0, 1.0});
+  setDismissable();
+}
diff --git a/higan/target-bsnes/settings/settings.hpp b/higan/target-bsnes/settings/settings.hpp
new file mode 100644
index 00000000..2e6670d3
--- /dev/null
+++ b/higan/target-bsnes/settings/settings.hpp
@@ -0,0 +1,15 @@
+struct Settings : Markup::Node {
+  Settings();
+  auto save() -> void;
+};
+
+struct SettingsWindow : Window {
+  SettingsWindow();
+
+  VerticalLayout layout{this};
+    TabFrame panel{&layout, Size{~0, ~0}};
+      TabFrameItem placeholder{&panel};
+};
+
+extern Settings settings;
+extern unique_pointer<SettingsWindow> settingsWindow;
diff --git a/higan/target-higan/input/input.cpp b/higan/target-higan/input/input.cpp
index 5120a7df..a54c2cda 100644
--- a/higan/target-higan/input/input.cpp
+++ b/higan/target-higan/input/input.cpp
@@ -189,6 +189,7 @@ auto InputMapping::displayName() -> string {
 
 InputManager::InputManager() {
   inputManager = this;
+  input->onChange({&InputManager::onChange, this});
   frequency = max(1u, settings["Input/Frequency"].natural());
 
   for(auto& emulator : program->emulators) {
diff --git a/higan/target-higan/program/utility.cpp b/higan/target-higan/program/utility.cpp
index c35d58b6..4a4b1291 100644
--- a/higan/target-higan/program/utility.cpp
+++ b/higan/target-higan/program/utility.cpp
@@ -56,8 +56,6 @@ auto Program::initializeInputDriver() -> void {
   input = Input::create(settings["Input/Driver"].text());
   input->setContext(presentation->viewport.handle());
 
-  input->onChange({&InputManager::onChange, &inputManager()});
-
   if(!input->ready()) {
     MessageDialog().setText("Failed to initialize input driver").warning();
     input = Input::create("None");
diff --git a/icarus/heuristics/super-famicom.cpp b/icarus/heuristics/super-famicom.cpp
index 058ff2aa..097f16cd 100644
--- a/icarus/heuristics/super-famicom.cpp
+++ b/icarus/heuristics/super-famicom.cpp
@@ -61,7 +61,7 @@ auto SuperFamicom::manifest() const -> string {
   string output;
   output.append("game\n");
   output.append("  sha256:   ", Hash::SHA256(data).digest(), "\n");
-  output.append("  label:    ", label(), "\n");
+  output.append("  label:    ", Location::prefix(location), "\n");
   output.append("  name:     ", Location::prefix(location), "\n");
   output.append("  region:   ", region(), "\n");
   output.append("  revision: ", revision(), "\n");