Merge pull request #638 from Arisotura/melonDSi

merge melonDSi

8 files changed, 412 insertions, 28 deletions

diff --git a/src/frontend/FrontendUtil.h b/src/frontend/FrontendUtil.h
index 6b83cbc..099583f 100644
--- a/src/frontend/FrontendUtil.h
+++ b/src/frontend/FrontendUtil.h
@@ -46,6 +46,15 @@ enum
     Load_FirmwareBad,
     Load_FirmwareNotBootable,
 
+    Load_DSiBIOS9Missing,
+    Load_DSiBIOS9Bad,
+
+    Load_DSiBIOS7Missing,
+    Load_DSiBIOS7Bad,
+
+    Load_DSiNANDMissing,
+    Load_DSiNANDBad,
+
     // TODO: more precise errors for ROM loading
     Load_ROMLoadError,
 };
diff --git a/src/frontend/Util_ROM.cpp b/src/frontend/Util_ROM.cpp
index 3f64b9d..8116a93 100644
--- a/src/frontend/Util_ROM.cpp
+++ b/src/frontend/Util_ROM.cpp
@@ -96,6 +96,42 @@ int VerifyDSBIOS()
     return Load_OK;
 }
 
+int VerifyDSiBIOS()
+{
+    FILE* f;
+    long len;
+
+    // TODO: check the first 32 bytes
+
+    f = Platform::OpenLocalFile(Config::DSiBIOS9Path, "rb");
+    if (!f) return Load_DSiBIOS9Missing;
+
+    fseek(f, 0, SEEK_END);
+    len = ftell(f);
+    if (len != 0x10000)
+    {
+        fclose(f);
+        return Load_DSiBIOS9Bad;
+    }
+
+    fclose(f);
+
+    f = Platform::OpenLocalFile(Config::DSiBIOS7Path, "rb");
+    if (!f) return Load_DSiBIOS7Missing;
+
+    fseek(f, 0, SEEK_END);
+    len = ftell(f);
+    if (len != 0x10000)
+    {
+        fclose(f);
+        return Load_DSiBIOS7Bad;
+    }
+
+    fclose(f);
+
+    return Load_OK;
+}
+
 int VerifyDSFirmware()
 {
     FILE* f;
@@ -123,6 +159,45 @@ int VerifyDSFirmware()
     return Load_OK;
 }
 
+int VerifyDSiFirmware()
+{
+    FILE* f;
+    long len;
+
+    f = Platform::OpenLocalFile(Config::DSiFirmwarePath, "rb");
+    if (!f) return Load_FirmwareMissing;
+
+    fseek(f, 0, SEEK_END);
+    len = ftell(f);
+    if (len != 0x20000)
+    {
+        // not 128KB
+        // TODO: check whether those work
+        fclose(f);
+        return Load_FirmwareBad;
+    }
+
+    fclose(f);
+
+    return Load_OK;
+}
+
+int VerifyDSiNAND()
+{
+    FILE* f;
+    long len;
+
+    f = Platform::OpenLocalFile(Config::DSiNANDPath, "rb");
+    if (!f) return Load_DSiNANDMissing;
+
+    // TODO: some basic checks
+    // check that it has the nocash footer, and all
+
+    fclose(f);
+
+    return Load_OK;
+}
+
 int LoadBIOS()
 {
     int res;
@@ -130,8 +205,22 @@ int LoadBIOS()
     res = VerifyDSBIOS();
     if (res != Load_OK) return res;
 
-    res = VerifyDSFirmware();
-    if (res != Load_OK) return res;
+    if (Config::ConsoleType == 1)
+    {
+        res = VerifyDSiBIOS();
+        if (res != Load_OK) return res;
+
+        res = VerifyDSiFirmware();
+        if (res != Load_OK) return res;
+
+        res = VerifyDSiNAND();
+        if (res != Load_OK) return res;
+    }
+    else
+    {
+        res = VerifyDSFirmware();
+        if (res != Load_OK) return res;
+    }
 
     // TODO:
     // original code in the libui frontend called NDS::LoadGBAROM() if needed
@@ -141,6 +230,7 @@ int LoadBIOS()
     ROMPath[ROMSlot_NDS][0] = '\0';
     SRAMPath[ROMSlot_NDS][0] = '\0';
 
+    NDS::SetConsoleType(Config::ConsoleType);
     NDS::LoadBIOS();
 
     SavestateLoaded = false;
@@ -153,16 +243,39 @@ int LoadROM(const char* file, int slot)
     int res;
     bool directboot = Config::DirectBoot != 0;
 
+    if (Config::ConsoleType == 1 && slot == 1)
+    {
+        // cannot load a GBA ROM into a DSi
+        return Load_ROMLoadError;
+    }
+
     res = VerifyDSBIOS();
     if (res != Load_OK) return res;
 
-    res = VerifyDSFirmware();
-    if (res != Load_OK)
+    if (Config::ConsoleType == 1)
     {
-        if (res == Load_FirmwareNotBootable)
-            directboot = true;
-        else
-            return res;
+        res = VerifyDSiBIOS();
+        if (res != Load_OK) return res;
+
+        res = VerifyDSiFirmware();
+        if (res != Load_OK) return res;
+
+        res = VerifyDSiNAND();
+        if (res != Load_OK) return res;
+
+        GBACart::Eject();
+        ROMPath[ROMSlot_GBA][0] = '\0';
+    }
+    else
+    {
+        res = VerifyDSFirmware();
+        if (res != Load_OK)
+        {
+            if (res == Load_FirmwareNotBootable)
+                directboot = true;
+            else
+                return res;
+        }
     }
 
     char oldpath[1024];
@@ -176,6 +289,8 @@ int LoadROM(const char* file, int slot)
     SetupSRAMPath(0);
     SetupSRAMPath(1);
 
+    NDS::SetConsoleType(Config::ConsoleType);
+
     if (slot == ROMSlot_NDS && NDS::LoadROM(ROMPath[slot], SRAMPath[slot], directboot))
     {
         SavestateLoaded = false;
@@ -224,17 +339,36 @@ int Reset()
     res = VerifyDSBIOS();
     if (res != Load_OK) return res;
 
-    res = VerifyDSFirmware();
-    if (res != Load_OK)
+    if (Config::ConsoleType == 1)
     {
-        if (res == Load_FirmwareNotBootable)
-            directboot = true;
-        else
-            return res;
+        res = VerifyDSiBIOS();
+        if (res != Load_OK) return res;
+
+        res = VerifyDSiFirmware();
+        if (res != Load_OK) return res;
+
+        res = VerifyDSiNAND();
+        if (res != Load_OK) return res;
+
+        GBACart::Eject();
+        ROMPath[ROMSlot_GBA][0] = '\0';
+    }
+    else
+    {
+        res = VerifyDSFirmware();
+        if (res != Load_OK)
+        {
+            if (res == Load_FirmwareNotBootable)
+                directboot = true;
+            else
+                return res;
+        }
     }
 
     SavestateLoaded = false;
 
+    NDS::SetConsoleType(Config::ConsoleType);
+
     if (ROMPath[ROMSlot_NDS][0] == '\0')
     {
         NDS::LoadBIOS();
diff --git a/src/frontend/qt_sdl/EmuSettingsDialog.cpp b/src/frontend/qt_sdl/EmuSettingsDialog.cpp
index 5c2efc0..09faf4e 100644
--- a/src/frontend/qt_sdl/EmuSettingsDialog.cpp
+++ b/src/frontend/qt_sdl/EmuSettingsDialog.cpp
@@ -42,6 +42,16 @@ EmuSettingsDialog::EmuSettingsDialog(QWidget* parent) : QDialog(parent), ui(new
     ui->txtBIOS9Path->setText(Config::BIOS9Path);
     ui->txtBIOS7Path->setText(Config::BIOS7Path);
     ui->txtFirmwarePath->setText(Config::FirmwarePath);
+
+    ui->txtDSiBIOS9Path->setText(Config::DSiBIOS9Path);
+    ui->txtDSiBIOS7Path->setText(Config::DSiBIOS7Path);
+    ui->txtDSiFirmwarePath->setText(Config::DSiFirmwarePath);
+    ui->txtDSiNANDPath->setText(Config::DSiNANDPath);
+
+    ui->cbxConsoleType->addItem("DS");
+    ui->cbxConsoleType->addItem("DSi (experimental)");
+    ui->cbxConsoleType->setCurrentIndex(Config::ConsoleType);
+
     ui->chkDirectBoot->setChecked(Config::DirectBoot != 0);
 }
 
@@ -99,7 +109,15 @@ void EmuSettingsDialog::on_EmuSettingsDialog_accepted()
     strncpy(Config::BIOS9Path, ui->txtBIOS9Path->text().toStdString().c_str(), 1023); Config::BIOS9Path[1023] = '\0';
     strncpy(Config::BIOS7Path, ui->txtBIOS7Path->text().toStdString().c_str(), 1023); Config::BIOS7Path[1023] = '\0';
     strncpy(Config::FirmwarePath, ui->txtFirmwarePath->text().toStdString().c_str(), 1023); Config::FirmwarePath[1023] = '\0';
+
+    strncpy(Config::DSiBIOS9Path, ui->txtDSiBIOS9Path->text().toStdString().c_str(), 1023); Config::DSiBIOS9Path[1023] = '\0';
+    strncpy(Config::DSiBIOS7Path, ui->txtDSiBIOS7Path->text().toStdString().c_str(), 1023); Config::DSiBIOS7Path[1023] = '\0';
+    strncpy(Config::DSiFirmwarePath, ui->txtDSiFirmwarePath->text().toStdString().c_str(), 1023); Config::DSiFirmwarePath[1023] = '\0';
+    strncpy(Config::DSiNANDPath, ui->txtDSiNANDPath->text().toStdString().c_str(), 1023); Config::DSiNANDPath[1023] = '\0';
+
+    Config::ConsoleType = ui->cbxConsoleType->currentIndex();
     Config::DirectBoot = ui->chkDirectBoot->isChecked() ? 1:0;
+
     Config::Save();
 
     closeDlg();
@@ -145,3 +163,51 @@ void EmuSettingsDialog::on_btnFirmwareBrowse_clicked()
 
     ui->txtFirmwarePath->setText(file);
 }
+
+void EmuSettingsDialog::on_btnDSiBIOS9Browse_clicked()
+{
+    QString file = QFileDialog::getOpenFileName(this,
+                                                "Select DSi-mode ARM9 BIOS...",
+                                                EmuDirectory,
+                                                "BIOS files (*.bin *.rom);;Any file (*.*)");
+
+    if (file.isEmpty()) return;
+
+    ui->txtDSiBIOS9Path->setText(file);
+}
+
+void EmuSettingsDialog::on_btnDSiBIOS7Browse_clicked()
+{
+    QString file = QFileDialog::getOpenFileName(this,
+                                                "Select DSi-mode ARM7 BIOS...",
+                                                EmuDirectory,
+                                                "BIOS files (*.bin *.rom);;Any file (*.*)");
+
+    if (file.isEmpty()) return;
+
+    ui->txtDSiBIOS7Path->setText(file);
+}
+
+void EmuSettingsDialog::on_btnDSiFirmwareBrowse_clicked()
+{
+    QString file = QFileDialog::getOpenFileName(this,
+                                                "Select DSi DS-mode firmware...",
+                                                EmuDirectory,
+                                                "Firmware files (*.bin *.rom);;Any file (*.*)");
+
+    if (file.isEmpty()) return;
+
+    ui->txtDSiFirmwarePath->setText(file);
+}
+
+void EmuSettingsDialog::on_btnDSiNANDBrowse_clicked()
+{
+    QString file = QFileDialog::getOpenFileName(this,
+                                                "Select DSi NAND...",
+                                                EmuDirectory,
+                                                "NAND files (*.bin *.rom);;Any file (*.*)");
+
+    if (file.isEmpty()) return;
+
+    ui->txtDSiNANDPath->setText(file);
+}
diff --git a/src/frontend/qt_sdl/EmuSettingsDialog.h b/src/frontend/qt_sdl/EmuSettingsDialog.h
index 7378641..f604ba5 100644
--- a/src/frontend/qt_sdl/EmuSettingsDialog.h
+++ b/src/frontend/qt_sdl/EmuSettingsDialog.h
@@ -58,6 +58,11 @@ private slots:
     void on_btnBIOS7Browse_clicked();
     void on_btnFirmwareBrowse_clicked();
 
+    void on_btnDSiBIOS9Browse_clicked();
+    void on_btnDSiBIOS7Browse_clicked();
+    void on_btnDSiFirmwareBrowse_clicked();
+    void on_btnDSiNANDBrowse_clicked();
+
 private:
     void verifyFirmware();
 
diff --git a/src/frontend/qt_sdl/EmuSettingsDialog.ui b/src/frontend/qt_sdl/EmuSettingsDialog.ui
index c70c3a2..4894fa5 100644
--- a/src/frontend/qt_sdl/EmuSettingsDialog.ui
+++ b/src/frontend/qt_sdl/EmuSettingsDialog.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>490</width>
-    <height>217</height>
+    <height>392</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -120,12 +120,137 @@
     </widget>
    </item>
    <item>
+    <widget class="QGroupBox" name="groupBox_3">
+     <property name="title">
+      <string>DSi mode</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_3">
+      <item row="0" column="2">
+       <widget class="QPushButton" name="btnDSiBIOS9Browse">
+        <property name="text">
+         <string>Browse...</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0">
+       <widget class="QLabel" name="label_5">
+        <property name="text">
+         <string>DSi ARM9 BIOS:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="2">
+       <widget class="QPushButton" name="btnDSiFirmwareBrowse">
+        <property name="text">
+         <string>Browse...</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QLineEdit" name="txtDSiBIOS7Path">
+        <property name="whatsThis">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;DSi-mode ARM7 BIOS&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;Size should be 64 KB&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QLineEdit" name="txtDSiFirmwarePath">
+        <property name="whatsThis">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;DSi-mode firmware (used for DS-mode backwards compatibility)&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;Size should be 128 KB&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_6">
+        <property name="text">
+         <string>DSi ARM7 BIOS:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QLabel" name="label_7">
+        <property name="text">
+         <string>DSi firmware:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="2">
+       <widget class="QPushButton" name="btnDSiBIOS7Browse">
+        <property name="text">
+         <string>Browse...</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QLineEdit" name="txtDSiBIOS9Path">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="whatsThis">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;DSi-mode ARM9 BIOS&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;Size should be 64 KB&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0">
+       <widget class="QLabel" name="label_8">
+        <property name="text">
+         <string>DSi NAND:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="1">
+       <widget class="QLineEdit" name="txtDSiNANDPath">
+        <property name="whatsThis">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;DSi NAND dump&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;Should have 'nocash footer' at the end&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="2">
+       <widget class="QPushButton" name="btnDSiNANDBrowse">
+        <property name="text">
+         <string>Browse...</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
     <widget class="QGroupBox" name="groupBox_2">
      <property name="title">
-      <string>Startup</string>
+      <string>General</string>
      </property>
      <layout class="QGridLayout" name="gridLayout">
       <item row="0" column="0">
+       <widget class="QLabel" name="label_4">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="text">
+         <string>Console type:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QComboBox" name="cbxConsoleType">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="whatsThis">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;The type of console to emulate&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0" colspan="2">
        <widget class="QCheckBox" name="chkDirectBoot">
         <property name="whatsThis">
          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;When loading a ROM, completely skip the regular boot process (&amp;quot;Nintendo DS&amp;quot; screen) to boot the ROM directly.&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;Note: if your firmware dump isn't bootable, the ROM will be booted directly regardless of this setting.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
diff --git a/src/frontend/qt_sdl/PlatformConfig.cpp b/src/frontend/qt_sdl/PlatformConfig.cpp
index 03fd2ac..06128d7 100644
--- a/src/frontend/qt_sdl/PlatformConfig.cpp
+++ b/src/frontend/qt_sdl/PlatformConfig.cpp
@@ -47,10 +47,17 @@ int ScreenUseGL;
 int ScreenVSync;
 int ScreenVSyncInterval;
 
+int _3DRenderer;
+int Threaded3D;
+
+int GL_ScaleFactor;
+int GL_Antialias;
+
 int LimitFPS;
 int AudioSync;
 int ShowOSD;
 
+int ConsoleType;
 int DirectBoot;
 
 int SocketBindAnyAddr;
@@ -129,10 +136,17 @@ ConfigEntry PlatformConfigFile[] =
     {"ScreenVSync",         0, &ScreenVSync,         0, NULL, 0},
     {"ScreenVSyncInterval", 0, &ScreenVSyncInterval, 1, NULL, 0},
 
+    {"3DRenderer", 0, &_3DRenderer, 1, NULL, 0},
+    {"Threaded3D", 0, &Threaded3D, 1, NULL, 0},
+
+    {"GL_ScaleFactor", 0, &GL_ScaleFactor, 1, NULL, 0},
+    {"GL_Antialias", 0, &GL_Antialias, 0, NULL, 0},
+
     {"LimitFPS", 0, &LimitFPS, 0, NULL, 0},
     {"AudioSync", 0, &AudioSync, 1, NULL, 0},
     {"ShowOSD", 0, &ShowOSD, 1, NULL, 0},
 
+    {"ConsoleType", 0, &ConsoleType, 0, NULL, 0},
     {"DirectBoot", 0, &DirectBoot, 1, NULL, 0},
 
     {"SockBindAnyAddr", 0, &SocketBindAnyAddr, 0, NULL, 0},
diff --git a/src/frontend/qt_sdl/PlatformConfig.h b/src/frontend/qt_sdl/PlatformConfig.h
index cc288b6..791bb07 100644
--- a/src/frontend/qt_sdl/PlatformConfig.h
+++ b/src/frontend/qt_sdl/PlatformConfig.h
@@ -60,10 +60,17 @@ extern int ScreenUseGL;
 extern int ScreenVSync;
 extern int ScreenVSyncInterval;
 
+extern int _3DRenderer;
+extern int Threaded3D;
+
+extern int GL_ScaleFactor;
+extern int GL_Antialias;
+
 extern int LimitFPS;
 extern int AudioSync;
 extern int ShowOSD;
 
+extern int ConsoleType;
 extern int DirectBoot;
 
 extern int SocketBindAnyAddr;
diff --git a/src/frontend/qt_sdl/main.cpp b/src/frontend/qt_sdl/main.cpp
index a3207c7..fa542ad 100644
--- a/src/frontend/qt_sdl/main.cpp
+++ b/src/frontend/qt_sdl/main.cpp
@@ -1360,17 +1360,40 @@ QString MainWindow::loadErrorStr(int error)
 {
     switch (error)
     {
-    case Frontend::Load_BIOS9Missing: return "DS ARM9 BIOS was not found or could not be accessed. Check your emu settings.";
-    case Frontend::Load_BIOS9Bad:     return "DS ARM9 BIOS is not a valid BIOS dump.";
-
-    case Frontend::Load_BIOS7Missing: return "DS ARM7 BIOS was not found or could not be accessed. Check your emu settings.";
-    case Frontend::Load_BIOS7Bad:     return "DS ARM7 BIOS is not a valid BIOS dump.";
-
-    case Frontend::Load_FirmwareMissing:     return "DS firmware was not found or could not be accessed. Check your emu settings.";
-    case Frontend::Load_FirmwareBad:         return "DS firmware is not a valid firmware dump.";
-    case Frontend::Load_FirmwareNotBootable: return "DS firmware is not bootable.";
-
-    case Frontend::Load_ROMLoadError: return "Failed to load the ROM. Make sure the file is accessible and isn't used by another application.";
+    case Frontend::Load_BIOS9Missing:
+        return "DS ARM9 BIOS was not found or could not be accessed. Check your emu settings.";
+    case Frontend::Load_BIOS9Bad:
+        return "DS ARM9 BIOS is not a valid BIOS dump.";
+
+    case Frontend::Load_BIOS7Missing:
+        return "DS ARM7 BIOS was not found or could not be accessed. Check your emu settings.";
+    case Frontend::Load_BIOS7Bad:
+        return "DS ARM7 BIOS is not a valid BIOS dump.";
+
+    case Frontend::Load_FirmwareMissing:
+        return "DS firmware was not found or could not be accessed. Check your emu settings.";
+    case Frontend::Load_FirmwareBad:
+        return "DS firmware is not a valid firmware dump.";
+    case Frontend::Load_FirmwareNotBootable:
+        return "DS firmware is not bootable.";
+
+    case Frontend::Load_DSiBIOS9Missing:
+        return "DSi ARM9 BIOS was not found or could not be accessed. Check your emu settings.";
+    case Frontend::Load_DSiBIOS9Bad:
+        return "DSi ARM9 BIOS is not a valid BIOS dump.";
+
+    case Frontend::Load_DSiBIOS7Missing:
+        return "DSi ARM7 BIOS was not found or could not be accessed. Check your emu settings.";
+    case Frontend::Load_DSiBIOS7Bad:
+        return "DSi ARM7 BIOS is not a valid BIOS dump.";
+
+    case Frontend::Load_DSiNANDMissing:
+        return "DSi NAND was not found or could not be accessed. Check your emu settings.";
+    case Frontend::Load_DSiNANDBad:
+        return "DSi NAND is not a valid NAND dump.";
+
+    case Frontend::Load_ROMLoadError:
+        return "Failed to load the ROM. Make sure the file is accessible and isn't used by another application.";
 
     default: return "Unknown error during launch; smack Arisotura.";
     }
@@ -1384,7 +1407,7 @@ void MainWindow::onOpenFile()
     QString filename = QFileDialog::getOpenFileName(this,
                                                     "Open ROM",
                                                     Config::LastROMFolder,
-                                                    "DS ROMs (*.nds *.srl);;GBA ROMs (*.gba);;Any file (*.*)");
+                                                    "DS ROMs (*.nds *.dsi *.srl);;GBA ROMs (*.gba);;Any file (*.*)");
     if (filename.isEmpty())
     {
         emuThread->emuUnpause();
@@ -1889,6 +1912,7 @@ int main(int argc, char** argv)
     Config::Load();
 
 #define SANITIZE(var, min, max)  { if (var < min) var = min; else if (var > max) var = max; }
+    SANITIZE(Config::ConsoleType, 0, 1);
     SANITIZE(Config::_3DRenderer, 0, 1);
     SANITIZE(Config::ScreenVSyncInterval, 1, 20);
     SANITIZE(Config::GL_ScaleFactor, 1, 16);