Handle case where IPL ROM is not found (or not yet set up) to display an error message

Source/Project64-core/Multilanguage.h

@@ -557,6 +557,7 @@ enum LanguageStringID
     MSG_SET_HLE_AUD_TITLE = 2056,
     MSG_SET_HLE_AUD_MSG = 2057,
     MSG_FAIL_IMAGE_IPL = 2058,
+    MSG_IPL_REQUIRED = 2059,
 
     /*********************************************************************************
     * Android                                                                        *

Source/Project64-core/Multilanguage/LanguageClass.cpp

@@ -523,6 +523,7 @@ void CLanguage::LoadDefaultStrings(void)
     DEF_STR(MSG_SET_HLE_AUD_TITLE, "Audio High-Level Emulation");
     DEF_STR(MSG_SET_HLE_AUD_MSG, "Audio HLE requires a third-party plugin!!!\nIf you do not use a third-party audio plugin that supports HLE, you will hear no sound.\n\nChange to audio HLE?");
     DEF_STR(MSG_FAIL_IMAGE_IPL, "File loaded does not appear to be a valid 64DD IPL ROM.\n\nVerify your ROMs with GoodN64.");
+    DEF_STR(MSG_IPL_REQUIRED, "Nintendo 64DD IPL ROM not found.\nIt is required to play 64DD disks.\n\nPlease select the required ROM.");
 
     /*********************************************************************************
     * Android                                                                        *

Source/Project64/UserInterface/MainMenu.cpp

@@ -128,6 +128,7 @@ void CMainMenu::OnOpenRom(HWND hWnd)
     // Open Disk
     if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists() || !g_BaseSystem->RunDiskImage(File.c_str()))
     {
+        if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists()) { g_Notify->DisplayError(MSG_IPL_REQUIRED); }
         CPath FileNameIPL;
         const char * Filter = "64DD IPL ROM Image (*.zip, *.7z, *.?64, *.rom, *.usa, *.jap, *.pal, *.bin)\0*.?64;*.zip;*.7z;*.bin;*.rom;*.usa;*.jap;*.pal\0All files (*.*)\0*.*\0";
         if (FileNameIPL.SelectFile(hWnd, g_Settings->LoadStringVal(RomList_GameDir).c_str(), Filter, true))
@@ -552,6 +553,7 @@ bool CMainMenu::ProcessMessage(HWND hWnd, DWORD /*FromAccelerator*/, DWORD MenuI
                 {
                     if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists() || !g_BaseSystem->RunDiskImage(FileName.c_str()))
                     {
+                        if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists()) { g_Notify->DisplayError(MSG_IPL_REQUIRED); }
                         CPath FileNameIPL;
                         const char * Filter = "64DD IPL ROM Image (*.zip, *.7z, *.?64, *.rom, *.usa, *.jap, *.pal, *.bin)\0*.?64;*.zip;*.7z;*.bin;*.rom;*.usa;*.jap;*.pal\0All files (*.*)\0*.*\0";
                         if (FileNameIPL.SelectFile(hWnd, g_Settings->LoadStringVal(RomList_GameDir).c_str(), Filter, true))

Source/Project64/UserInterface/MainWindow.cpp

@@ -991,6 +991,7 @@ LRESULT CALLBACK CMainGui::MainGui_Proc(HWND hWnd, DWORD uMsg, DWORD wParam, DWO
                     {
                         if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists() || !g_BaseSystem->RunDiskImage(_this->CurrentedSelectedRom()))
                         {
+                            if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists()) { g_Notify->DisplayError(MSG_IPL_REQUIRED); }
                             CPath FileName;
                             const char * Filter = "64DD IPL ROM Image (*.zip, *.7z, *.?64, *.rom, *.usa, *.jap, *.pal, *.bin)\0*.?64;*.zip;*.7z;*.bin;*.rom;*.usa;*.jap;*.pal\0All files (*.*)\0*.*\0";
                             if (FileName.SelectFile(hWnd, g_Settings->LoadStringVal(RomList_GameDir).c_str(), Filter, true))
@@ -1010,6 +1011,7 @@ LRESULT CALLBACK CMainGui::MainGui_Proc(HWND hWnd, DWORD uMsg, DWORD wParam, DWO
                     {
                         if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists() || !g_BaseSystem->RunDiskComboImage(_this->CurrentedSelectedRom(), FileName))
                         {
+                            if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists()) { g_Notify->DisplayError(MSG_IPL_REQUIRED); }
                             CPath FileNameIPL;
                             const char * Filter = "64DD IPL ROM Image (*.zip, *.7z, *.?64, *.rom, *.usa, *.jap, *.pal, *.bin)\0*.?64;*.zip;*.7z;*.bin;*.rom;*.usa;*.jap;*.pal\0All files (*.*)\0*.*\0";
                             if (FileNameIPL.SelectFile(hWnd, g_Settings->LoadStringVal(RomList_GameDir).c_str(), Filter, true))
@@ -1177,6 +1179,7 @@ LRESULT CALLBACK CMainGui::MainGui_Proc(HWND hWnd, DWORD uMsg, DWORD wParam, DWO
                 // Open Disk
                 if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists() || !g_BaseSystem->RunDiskImage(filename))
                 {
+                    if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists()) { g_Notify->DisplayError(MSG_IPL_REQUIRED); }
                     CPath FileName;
                     const char * Filter = "64DD IPL ROM Image (*.zip, *.7z, *.?64, *.rom, *.usa, *.jap, *.pal, *.bin)\0*.?64;*.zip;*.7z;*.bin;*.rom;*.usa;*.jap;*.pal\0All files (*.*)\0*.*\0";
                     if (FileName.SelectFile(hWnd, g_Settings->LoadStringVal(RomList_GameDir).c_str(), Filter, true))

Source/Project64/UserInterface/RomBrowserClass.cpp

@@ -813,6 +813,7 @@ void CRomBrowser::RomList_OpenRom(uint32_t /*pnmh*/)
     {
         if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists() || !g_BaseSystem->RunDiskImage(pRomInfo->szFullFileName))
         {
+            if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists()) { g_Notify->DisplayError(MSG_IPL_REQUIRED); }
             CPath FileName;
             const char * Filter = "64DD IPL ROM Image (*.zip, *.7z, *.?64, *.rom, *.usa, *.jap, *.pal, *.bin)\0*.?64;*.zip;*.7z;*.bin;*.rom;*.usa;*.jap;*.pal\0All files (*.*)\0*.*\0";
             if (FileName.SelectFile(m_MainWindow, g_Settings->LoadStringVal(RomList_GameDir).c_str(), Filter, true))

Source/Project64/main.cpp

@@ -39,6 +39,7 @@ int WINAPI WinMain(HINSTANCE /*hInstance*/, HINSTANCE /*hPrevInstance*/, LPSTR /
                 //Ext is *.ndd, so it should be a disk file.
                 if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists() || !g_BaseSystem->RunDiskImage(g_Settings->LoadStringVal(Cmd_RomFile).c_str()))
                 {
+                    if (!CPath(g_Settings->LoadStringVal(File_DiskIPLPath)).Exists()) { g_Notify->DisplayError(MSG_IPL_REQUIRED); }
                     CPath FileNameIPL;
                     const char * Filter = "64DD IPL ROM Image (*.zip, *.7z, *.?64, *.rom, *.usa, *.jap, *.pal, *.bin)\0*.?64;*.zip;*.7z;*.bin;*.rom;*.usa;*.jap;*.pal\0All files (*.*)\0*.*\0";
                     if (FileNameIPL.SelectFile(NULL, g_Settings->LoadStringVal(RomList_GameDir).c_str(), Filter, true))