diff --git a/Runtime/CMemoryCardSys.cpp b/Runtime/CMemoryCardSys.cpp
index ee1590c65..3ffc92acf 100644
--- a/Runtime/CMemoryCardSys.cpp
+++ b/Runtime/CMemoryCardSys.cpp
@@ -11,8 +11,9 @@ namespace urde
 
 using ECardResult = kabufuda::ECardResult;
 
-kabufuda::SystemString g_CardImagePaths[2] = {};
-kabufuda::Card g_CardStates[2] = {};
+static kabufuda::SystemString g_CardImagePaths[2] = {};
+static kabufuda::Card g_CardStates[2] = {};
+static kabufuda::ECardResult g_OpResults[2] = {};
 
 CSaveWorldIntermediate::CSaveWorldIntermediate(ResId mlvl, ResId savw)
 : x0_mlvlId(mlvl), x8_savwId(savw)
@@ -62,6 +63,9 @@ bool CSaveWorldIntermediate::InitializePump()
 
 CMemoryCardSys::CMemoryCardSys()
 {
+    g_CardImagePaths[0] = ResolveDolphinCardPath(kabufuda::ECardSlot::SlotA);
+    g_CardImagePaths[1] = ResolveDolphinCardPath(kabufuda::ECardSlot::SlotB);
+
     x0_hints = g_SimplePool->GetObj("HINT_Hints");
     xc_memoryWorlds.reserve(16);
     x1c_worldInter.emplace();
@@ -261,7 +265,7 @@ ECardResult CMemoryCardSys::CCardFileInfo::PumpCardTransfer()
         result = GetStatus(stat);
         if (result != ECardResult::READY)
             return result;
-        result = CMemoryCardSys::SetStatus(GetCardPort(), GetFileNo(), stat);
+        result = CMemoryCardSys::SetStatus(m_handle, stat);
         if (result != ECardResult::READY)
             return result;
         return ECardResult::BUSY;
@@ -277,7 +281,7 @@ ECardResult CMemoryCardSys::CCardFileInfo::PumpCardTransfer()
 
 ECardResult CMemoryCardSys::CCardFileInfo::GetStatus(kabufuda::CardStat& stat) const
 {
-    ECardResult result = CMemoryCardSys::GetStatus(GetCardPort(), GetFileNo(), stat);
+    ECardResult result = CMemoryCardSys::GetStatus(m_handle, stat);
     if (result != ECardResult::READY)
         return result;
 
@@ -333,7 +337,9 @@ ECardResult CMemoryCardSys::CCardFileInfo::CloseFile()
 
 kabufuda::ProbeResults CMemoryCardSys::CardProbe(kabufuda::ECardSlot port)
 {
-    return kabufuda::Card::probeCardFile(g_CardImagePaths[int(port)]);
+    kabufuda::ProbeResults res = kabufuda::Card::probeCardFile(g_CardImagePaths[int(port)]);
+    g_OpResults[int(port)] = res.x0_error;
+    return res;
 }
 
 ECardResult CMemoryCardSys::MountCard(kabufuda::ECardSlot port)
@@ -341,6 +347,7 @@ ECardResult CMemoryCardSys::MountCard(kabufuda::ECardSlot port)
     kabufuda::Card& card = g_CardStates[int(port)];
     card = kabufuda::Card(g_CardImagePaths[int(port)], "GM8E", "01");
     ECardResult result = card.getError();
+    g_OpResults[int(port)] = result;
     if (result == ECardResult::READY)
         return ECardResult::READY;
     card = kabufuda::Card();
@@ -350,40 +357,61 @@ ECardResult CMemoryCardSys::MountCard(kabufuda::ECardSlot port)
 ECardResult CMemoryCardSys::CheckCard(kabufuda::ECardSlot port)
 {
     kabufuda::Card& card = g_CardStates[int(port)];
-    return card.getError();
+    ECardResult result = card.getError();
+    g_OpResults[int(port)] = result;
+    return result;
 }
 
 ECardResult CMemoryCardSys::CreateFile(kabufuda::ECardSlot port, const char* name, u32 size, CardFileHandle& info)
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
+    }
     info.slot = port;
-    return card.createFile(name, size, info.handle);
+    ECardResult result = card.createFile(name, size, info.handle);
+    g_OpResults[int(port)] = result;
+    return result;
 }
 
 ECardResult CMemoryCardSys::OpenFile(kabufuda::ECardSlot port, const char* name, CardFileHandle& info)
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
+    }
     info.slot = port;
-    info.handle = card.openFile(name);
-    return info.handle ? ECardResult::READY : ECardResult::NOFILE;
+    ECardResult result = card.openFile(name, info.handle);
+    g_OpResults[int(port)] = result;
+    return result;
 }
 
 ECardResult CMemoryCardSys::FastOpenFile(kabufuda::ECardSlot port, int fileNo, CardFileHandle& info)
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
+    }
     info.slot = port;
-    info.handle = card.openFile(fileNo);
-    return info.handle ? ECardResult::READY : ECardResult::NOFILE;
+    ECardResult result = card.openFile(fileNo, info.handle);
+    g_OpResults[int(port)] = result;
+    return result;
 }
 
 ECardResult CMemoryCardSys::CloseFile(CardFileHandle& info)
 {
+    kabufuda::Card& card = g_CardStates[int(info.slot)];
+    if (CardResult err = card.getError())
+    {
+        g_OpResults[int(info.slot)] = err;
+        return err;
+    }
     info.handle.reset();
     return ECardResult::READY;
 }
@@ -392,9 +420,13 @@ ECardResult CMemoryCardSys::ReadFile(const CardFileHandle& info, void* buf, s32
 {
     kabufuda::Card& card = g_CardStates[int(info.slot)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(info.slot)] = err;
         return err;
+    }
     card.seek(info, offset, kabufuda::SeekOrigin::Begin);
     card.read(info, buf, length);
+    g_OpResults[int(info.slot)] = ECardResult::READY;
     return ECardResult::READY;
 }
 
@@ -402,9 +434,13 @@ ECardResult CMemoryCardSys::WriteFile(const CardFileHandle& info, const void* bu
 {
     kabufuda::Card& card = g_CardStates[int(info.slot)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(info.slot)] = err;
         return err;
+    }
     card.seek(info, offset, kabufuda::SeekOrigin::Begin);
     card.write(info, buf, length);
+    g_OpResults[int(info.slot)] = ECardResult::READY;
     return ECardResult::READY;
 }
 
@@ -412,8 +448,12 @@ ECardResult CMemoryCardSys::GetNumFreeBytes(kabufuda::ECardSlot port, s32& freeB
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
+    }
     card.getFreeBlocks(freeBytes, freeFiles);
+    g_OpResults[int(port)] = ECardResult::READY;
     return ECardResult::READY;
 }
 
@@ -421,56 +461,95 @@ ECardResult CMemoryCardSys::GetSerialNo(kabufuda::ECardSlot port, u64& serialOut
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
+    }
     card.getSerial(serialOut);
+    g_OpResults[int(port)] = ECardResult::READY;
     return ECardResult::READY;
 }
 
 ECardResult CMemoryCardSys::GetResultCode(kabufuda::ECardSlot port)
 {
-    return ECardResult::READY;
+    return g_OpResults[int(port)];
 }
 
-ECardResult CMemoryCardSys::GetStatus(kabufuda::ECardSlot port, int fileNo, CardStat& statOut)
+ECardResult CMemoryCardSys::GetStatus(const CardFileHandle& info, CardStat& statOut)
 {
-    return ECardResult::READY;
+    kabufuda::Card& card = g_CardStates[int(info.slot)];
+    if (CardResult err = card.getError())
+    {
+        g_OpResults[int(info.slot)] = err;
+        return err;
+    }
+    ECardResult result = card.getStatus(info, statOut);
+    g_OpResults[int(info.slot)] = result;
+    return result;
 }
 
-ECardResult CMemoryCardSys::SetStatus(kabufuda::ECardSlot port, int fileNo, const CardStat& stat)
+ECardResult CMemoryCardSys::SetStatus(const CardFileHandle& info, const CardStat& stat)
 {
-    return ECardResult::READY;
+    kabufuda::Card& card = g_CardStates[int(info.slot)];
+    if (CardResult err = card.getError())
+    {
+        g_OpResults[int(info.slot)] = err;
+        return err;
+    }
+    ECardResult result = card.setStatus(info, stat);
+    g_OpResults[int(info.slot)] = result;
+    return result;
 }
 
 ECardResult CMemoryCardSys::DeleteFile(kabufuda::ECardSlot port, const char* name)
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
-    return card.deleteFile(name);
+    }
+    ECardResult result = card.deleteFile(name);
+    g_OpResults[int(port)] = result;
+    return result;
 }
 
 ECardResult CMemoryCardSys::FastDeleteFile(kabufuda::ECardSlot port, int fileNo)
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
-    return card.deleteFile(fileNo);
+    }
+    ECardResult result = card.deleteFile(fileNo);
+    g_OpResults[int(port)] = result;
+    return result;
 }
 
 ECardResult CMemoryCardSys::Rename(kabufuda::ECardSlot port, const char* oldName, const char* newName)
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
-    return card.renameFile(oldName, newName);
+    }
+    ECardResult result = card.renameFile(oldName, newName);
+    g_OpResults[int(port)] = result;
+    return result;
 }
 
 ECardResult CMemoryCardSys::FormatCard(kabufuda::ECardSlot port)
 {
     kabufuda::Card& card = g_CardStates[int(port)];
     if (CardResult err = card.getError())
+    {
+        g_OpResults[int(port)] = err;
         return err;
+    }
     card.format(port);
+    g_OpResults[int(port)] = ECardResult::READY;
     return ECardResult::READY;
 }
 
diff --git a/Runtime/CMemoryCardSys.hpp b/Runtime/CMemoryCardSys.hpp
index 6f9d8876c..30a390b16 100644
--- a/Runtime/CMemoryCardSys.hpp
+++ b/Runtime/CMemoryCardSys.hpp
@@ -58,6 +58,8 @@ class CMemoryCardSys
     std::experimental::optional<std::vector<CSaveWorldIntermediate>> x1c_worldInter; /* used to be auto_ptr of vector */
     std::vector<std::pair<ResId, CSaveWorld::EScanCategory>> x20_scanStates;
 public:
+    static kabufuda::SystemString ResolveDolphinCardPath(kabufuda::ECardSlot slot);
+
     using ECardResult = kabufuda::ECardResult;
     struct CardResult
     {
@@ -153,8 +155,8 @@ public:
     static ECardResult GetNumFreeBytes(kabufuda::ECardSlot port, s32& freeBytes, s32& freeFiles);
     static ECardResult GetSerialNo(kabufuda::ECardSlot port, u64& serialOut);
     static ECardResult GetResultCode(kabufuda::ECardSlot port);
-    static ECardResult GetStatus(kabufuda::ECardSlot port, int fileNo, CardStat& statOut);
-    static ECardResult SetStatus(kabufuda::ECardSlot port, int fileNo, const CardStat& stat);
+    static ECardResult GetStatus(const CardFileHandle& info, CardStat& statOut);
+    static ECardResult SetStatus(const CardFileHandle& info, const CardStat& stat);
     static ECardResult DeleteFile(kabufuda::ECardSlot port, const char* name);
     static ECardResult FastDeleteFile(kabufuda::ECardSlot port, int fileNo);
     static ECardResult Rename(kabufuda::ECardSlot port, const char* oldName, const char* newName);
diff --git a/Runtime/CMemoryCardSysNix.cpp b/Runtime/CMemoryCardSysNix.cpp
index 6768d64bc..5e5264c65 100644
--- a/Runtime/CMemoryCardSysNix.cpp
+++ b/Runtime/CMemoryCardSysNix.cpp
@@ -3,4 +3,31 @@
 namespace urde
 {
 
+kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlot slot)
+{
+    const char* home = getenv("HOME");
+    if (!home || home[0] != '/')
+        return {};
+    const char* dataHome = getenv("XDG_DATA_HOME");
+
+    /* XDG-selected data path */
+    kabufuda::SystemString path =
+        (dataHome && dataHome[0] == '/') ? dataHome : (home + "/.local/share") + "/.dolphin-emu";
+    path += hecl::Format("/GC/MemoryCard%c.USA.raw",
+                         slot == kabufuda::ECardSlot::SlotA ? 'A' : 'B');
+
+    hecl::Sstat theStat;
+    if (hecl::Stat(path.c_str(), &theStat) || !S_ISREG(theStat.st_mode))
+    {
+        /* legacy case for older dolphin versions */
+        path = home;
+        path += hecl::Format("/.dolphin-emu/GC/MemoryCard%c.USA.raw",
+                             slot == kabufuda::ECardSlot::SlotA ? 'A' : 'B');
+        if (hecl::Stat(path.c_str(), &theStat) || !S_ISREG(theStat.st_mode))
+            return {};
+    }
+
+    return path;
+}
+
 }
diff --git a/Runtime/CMemoryCardSysOSX.cpp b/Runtime/CMemoryCardSysOSX.cpp
index e69de29bb..87b6c13cc 100644
--- a/Runtime/CMemoryCardSysOSX.cpp
+++ b/Runtime/CMemoryCardSysOSX.cpp
@@ -0,0 +1,23 @@
+#include "CMemoryCardSys.hpp"
+
+namespace urde
+{
+
+kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlot slot)
+{
+    const char* home = getenv("HOME");
+    if (!home)
+        return {};
+
+    kabufuda::SystemString path = home;
+    path += hecl::Format("/Library/Application Support/Dolphin/GC/MemoryCard%c.USA.raw",
+                         slot == kabufuda::ECardSlot::SlotA ? 'A' : 'B');
+
+    hecl::Sstat theStat;
+    if (hecl::Stat(path.c_str(), &theStat) || !S_ISREG(theStat.st_mode))
+        return {};
+
+    return path;
+}
+
+}
diff --git a/Runtime/CMemoryCardSysWin.cpp b/Runtime/CMemoryCardSysWin.cpp
index e69de29bb..a9fcafa46 100644
--- a/Runtime/CMemoryCardSysWin.cpp
+++ b/Runtime/CMemoryCardSysWin.cpp
@@ -0,0 +1,57 @@
+#include "CMemoryCardSys.hpp"
+#include <shlobj.h>
+
+namespace urde
+{
+
+/* Partial path-selection logic from
+ * https://github.com/dolphin-emu/dolphin/blob/master/Source/Core/UICommon/UICommon.cpp
+ * Modified to not use dolphin-binary-relative paths. */
+kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlot slot)
+{
+    kabufuda::SystemString userPath;
+
+    /* Detect where the User directory is. There are two different cases
+     * 1. HKCU\Software\Dolphin Emulator\UserConfigPath exists
+     *    -> Use this as the user directory path
+     * 2. My Documents exists
+     *    -> Use My Documents\Dolphin Emulator as the User directory path
+     */
+
+    /* Check our registry keys */
+    HKEY hkey;
+    kabufuda::SystemChar configPath[MAX_PATH] = {0};
+    if (RegOpenKeyEx(HKEY_CURRENT_USER, _S("Software\\Dolphin Emulator"), 0, KEY_QUERY_VALUE,
+                     &hkey) == ERROR_SUCCESS)
+    {
+        DWORD size = MAX_PATH;
+        if (RegQueryValueEx(hkey, _S("UserConfigPath"), nullptr, nullptr, (LPBYTE)configPath,
+                            &size) != ERROR_SUCCESS)
+            configPath[0] = 0;
+        RegCloseKey(hkey);
+    }
+
+    /* Get My Documents path in case we need it. */
+    kabufuda::SystemChar my_documents[MAX_PATH];
+    bool my_documents_found = SUCCEEDED(
+        SHGetFolderPath(nullptr, CSIDL_MYDOCUMENTS, nullptr, SHGFP_TYPE_CURRENT, my_documents));
+
+    if (configPath[0])  /* Case 1 */
+        userPath = configPath;
+    else if (my_documents_found)  /* Case 2 */
+        userPath = my_documents + _S("/Dolphin Emulator");
+    else  /* Unable to find */
+        return {};
+
+    kabufuda::SystemString path = userPath;
+    path += hecl::SysFormat(_S("/GC/MemoryCard%c.USA.raw"),
+                            slot == kabufuda::ECardSlot::SlotA ? _S('A') : _S('B'));
+
+    hecl::Sstat theStat;
+    if (hecl::Stat(path.c_str(), &theStat) || !S_ISREG(theStat.st_mode))
+        return {};
+
+    return path;
+}
+
+}
diff --git a/Runtime/MP1/CMemoryCardDriver.cpp b/Runtime/MP1/CMemoryCardDriver.cpp
index a16a3851a..494016678 100644
--- a/Runtime/MP1/CMemoryCardDriver.cpp
+++ b/Runtime/MP1/CMemoryCardDriver.cpp
@@ -29,7 +29,7 @@ ECardResult CMemoryCardDriver::SFileInfo::Close()
 ECardResult CMemoryCardDriver::SFileInfo::StartRead()
 {
     CMemoryCardSys::CardStat stat = {};
-    ECardResult result = CMemoryCardSys::GetStatus(GetFileCardPort(), GetFileNo(), stat);
+    ECardResult result = CMemoryCardSys::GetStatus(x0_fileInfo, stat);
     if (result != ECardResult::READY)
         return result;
 
@@ -78,7 +78,7 @@ ECardResult CMemoryCardDriver::SFileInfo::FileRead()
 ECardResult CMemoryCardDriver::SFileInfo::GetSaveDataOffset(u32& offOut)
 {
     CMemoryCardSys::CardStat stat = {};
-    ECardResult result = CMemoryCardSys::GetStatus(GetFileCardPort(), GetFileNo(), stat);
+    ECardResult result = CMemoryCardSys::GetStatus(x0_fileInfo, stat);
     if (result != ECardResult::READY)
     {
         offOut = -1;
@@ -183,7 +183,7 @@ void CMemoryCardDriver::ReadFinished()
 {
     CMemoryCardSys::CardStat stat = {};
     SFileInfo& fileInfo = x100_mcFileInfos[x194_fileIdx].second;
-    if (CMemoryCardSys::GetStatus(x0_cardPort, fileInfo.GetFileNo(), stat) != ECardResult::READY)
+    if (CMemoryCardSys::GetStatus(fileInfo.x0_fileInfo, stat) != ECardResult::READY)
     {
         NoCardFound();
         return;
@@ -239,7 +239,7 @@ void CMemoryCardDriver::IndexFiles()
             else if (result == ECardResult::READY)
             {
                 CMemoryCardSys::CardStat stat = {};
-                if (CMemoryCardSys::GetStatus(x0_cardPort, info.second.GetFileNo(), stat) ==
+                if (CMemoryCardSys::GetStatus(info.second.x0_fileInfo, stat) ==
                     ECardResult::READY)
                 {
                     u32 comment = stat.GetCommentAddr();
@@ -272,11 +272,11 @@ void CMemoryCardDriver::IndexFiles()
         if (x100_mcFileInfos[1].first == EFileState::File)
         {
             CMemoryCardSys::CardStat stat = {};
-            if (CMemoryCardSys::GetStatus(x0_cardPort, x100_mcFileInfos[0].second.GetFileNo(), stat) ==
+            if (CMemoryCardSys::GetStatus(x100_mcFileInfos[0].second.x0_fileInfo, stat) ==
                     ECardResult::READY)
             {
                 u32 timeA = stat.GetTime();
-                if (CMemoryCardSys::GetStatus(x0_cardPort, x100_mcFileInfos[1].second.GetFileNo(), stat) ==
+                if (CMemoryCardSys::GetStatus(x100_mcFileInfos[1].second.x0_fileInfo, stat) ==
                         ECardResult::READY)
                 {
                     u32 timeB = stat.GetTime();
diff --git a/kabufuda b/kabufuda
index 223ea9a56..7315a1ded 160000
--- a/kabufuda
+++ b/kabufuda
@@ -1 +1 @@
-Subproject commit 223ea9a56ebc8ad7e03a2b920dbdc9d621cda551
+Subproject commit 7315a1dedd0ff060b5266e0d7a9d783447ed5cf2