diff --git a/asm/Kyoto/DolphinCMemoryCardSys.s b/asm/Kyoto/DolphinCMemoryCardSys.s
index ed952241..9c6874c7 100644
--- a/asm/Kyoto/DolphinCMemoryCardSys.s
+++ b/asm/Kyoto/DolphinCMemoryCardSys.s
@@ -838,8 +838,8 @@ Close__13CCardFileInfoFv:
 /* 8034DF40 0034AEA0  38 21 00 10 */	addi r1, r1, 0x10
 /* 8034DF44 0034AEA4  4E 80 00 20 */	blr
 
-.global Close__19SMemoryCardFileInfo
-Close__19SMemoryCardFileInfo:
+.global Close__19SMemoryCardFileInfoFv
+Close__19SMemoryCardFileInfoFv:
 /* 8034DF48 0034AEA8  94 21 FF F0 */	stwu r1, -0x10(r1)
 /* 8034DF4C 0034AEAC  7C 08 02 A6 */	mflr r0
 /* 8034DF50 0034AEB0  90 01 00 14 */	stw r0, 0x14(r1)
diff --git a/asm/MetroidPrime/CMemoryCardDriver.s b/asm/MetroidPrime/CMemoryCardDriver.s
index 134a7edd..6d2f8f95 100644
--- a/asm/MetroidPrime/CMemoryCardDriver.s
+++ b/asm/MetroidPrime/CMemoryCardDriver.s
@@ -1904,7 +1904,7 @@ lbl_8024DB90:
 /* 8024DB98 0024AAF8  48 00 01 60 */	b lbl_8024DCF8
 lbl_8024DB9C:
 /* 8024DB9C 0024AAFC  38 7E 00 04 */	addi r3, r30, 4
-/* 8024DBA0 0024AB00  48 10 03 A9 */	bl Close__19SMemoryCardFileInfo
+/* 8024DBA0 0024AB00  48 10 03 A9 */	bl Close__19SMemoryCardFileInfoFv
 /* 8024DBA4 0024AB04  2C 03 FF FD */	cmpwi r3, -3
 /* 8024DBA8 0024AB08  40 82 00 1C */	bne lbl_8024DBC4
 /* 8024DBAC 0024AB0C  7F E3 FB 78 */	mr r3, r31
@@ -2535,7 +2535,7 @@ UpdateFileRead__17CMemoryCardDriverF11ECardResult:
 /* 8024E3D4 0024B334  1C 60 00 48 */	mulli r3, r0, 0x48
 /* 8024E3D8 0024B338  38 63 00 04 */	addi r3, r3, 4
 /* 8024E3DC 0024B33C  7C 7D 1A 14 */	add r3, r29, r3
-/* 8024E3E0 0024B340  48 0F FB 69 */	bl Close__19SMemoryCardFileInfo
+/* 8024E3E0 0024B340  48 0F FB 69 */	bl Close__19SMemoryCardFileInfoFv
 /* 8024E3E4 0024B344  2C 03 00 00 */	cmpwi r3, 0
 /* 8024E3E8 0024B348  41 82 00 10 */	beq lbl_8024E3F8
 /* 8024E3EC 0024B34C  7F E3 FB 78 */	mr r3, r31
diff --git a/include/MetroidPrime/CMemoryCardDriver.hpp b/include/MetroidPrime/CMemoryCardDriver.hpp
index 3ba58f55..af31b12b 100644
--- a/include/MetroidPrime/CMemoryCardDriver.hpp
+++ b/include/MetroidPrime/CMemoryCardDriver.hpp
@@ -117,7 +117,7 @@ private:
   rstl::reserved_vector< u8, 174 > x30_systemData;
   rstl::reserved_vector< rstl::auto_ptr< SGameFileSlot >, 3 > xe4_fileSlots;
   rstl::reserved_vector< rstl::pair< EFileState, SMemoryCardFileInfo >, 2 > x100_mcFileInfos;
-  u32 x194_fileIdx;
+  int x194_fileIdx;
   rstl::single_ptr< CMemoryCardSys::CCardFileInfo > x198_fileInfo;
   bool x19c_;
   bool x19d_importPersistent;
@@ -154,6 +154,8 @@ public:
   void NoCardFound();
   void IndexFiles();
   void StartFileDeleteBad();
+  void StartFileDeleteAlt();
+  void StartFileRead();
   void StartFileCreate();
   void StartFileWrite();
   void StartFileCreateTransactional();
diff --git a/src/MetroidPrime/CMemoryCardDriver.cpp b/src/MetroidPrime/CMemoryCardDriver.cpp
index a8d2d168..b75098ec 100644
--- a/src/MetroidPrime/CMemoryCardDriver.cpp
+++ b/src/MetroidPrime/CMemoryCardDriver.cpp
@@ -6,40 +6,33 @@ bool CMemoryCardDriver::IsCardBusy(EState) { return false; }
 
 bool CMemoryCardDriver::IsCardWriting(EState) { return false; }
 
-CMemoryCardDriver::CMemoryCardDriver(CMemoryCardSys::EMemoryCardPort cardPort, CAssetId saveBanner, CAssetId saveIcon0, CAssetId saveIcon1,
-                    bool importPersistent)
-  : x0_cardPort(cardPort)
-  , x4_saveBanner(saveBanner)
-  , x8_saveIcon0(saveIcon0)
-  , xc_saveIcon1(saveIcon1)
-  , x10_state(kS_Initial)
-  , x14_error(kE_OK)
-  , x18_cardFreeBytes(0)
-  , x1c_cardFreeFiles(0)
-  , x20_fileTime(0)
-  , x28_cardSerial(0)
+CMemoryCardDriver::CMemoryCardDriver(CMemoryCardSys::EMemoryCardPort cardPort, CAssetId saveBanner,
+                                     CAssetId saveIcon0, CAssetId saveIcon1, bool importPersistent)
+: x0_cardPort(cardPort)
+, x4_saveBanner(saveBanner)
+, x8_saveIcon0(saveIcon0)
+, xc_saveIcon1(saveIcon1)
+, x10_state(kS_Initial)
+, x14_error(kE_OK)
+, x18_cardFreeBytes(0)
+, x1c_cardFreeFiles(0)
+, x20_fileTime(0)
+, x28_cardSerial(0)
 
-  , x30_systemData(0)
-  , xe4_fileSlots(nullptr)
-  , x100_mcFileInfos()
-  , x194_fileIdx(-1)
-  , x198_fileInfo(nullptr)
-  , x19c_(false)
-  , x19d_importPersistent(importPersistent)
-{
+, x30_systemData(0)
+, xe4_fileSlots(nullptr)
+, x100_mcFileInfos()
+, x194_fileIdx(-1)
+, x198_fileInfo(nullptr)
+, x19c_(false)
+, x19d_importPersistent(importPersistent) {
   x100_mcFileInfos.push_back(rstl::pair< EFileState, SMemoryCardFileInfo >(
-    kFS_Unknown,
-    SMemoryCardFileInfo(x0_cardPort, rstl::string_l("MetroidPrime A"))
-  ));
+      kFS_Unknown, SMemoryCardFileInfo(x0_cardPort, rstl::string_l("MetroidPrime A"))));
   x100_mcFileInfos.push_back(rstl::pair< EFileState, SMemoryCardFileInfo >(
-    kFS_Unknown,
-    SMemoryCardFileInfo(x0_cardPort, rstl::string_l("MetroidPrime B"))
-  ));
+      kFS_Unknown, SMemoryCardFileInfo(x0_cardPort, rstl::string_l("MetroidPrime B"))));
 }
 
-void CMemoryCardDriver::ClearFileInfo() {
-  x198_fileInfo = nullptr;
-}
+void CMemoryCardDriver::ClearFileInfo() { x198_fileInfo = nullptr; }
 
 CMemoryCardDriver::~CMemoryCardDriver() {}
 
@@ -155,13 +148,47 @@ void CMemoryCardDriver::UpdateCardCheck(ECardResult result) {
   } else if (result == kCR_BROKEN) {
     x10_state = kS_CardCheckFailed;
     x14_error = kE_CardBroken;
-    
+
   } else {
     HandleCardError(result, kS_CardCheckFailed);
   }
 }
 
-void CMemoryCardDriver::UpdateFileRead(ECardResult) {}
+void CMemoryCardDriver::UpdateFileRead(ECardResult result) {
+  if (result == kCR_READY) {
+    ECardResult readRes = x100_mcFileInfos[x194_fileIdx].second.TryFileRead();
+    if (x100_mcFileInfos[x194_fileIdx].second.Close() != kCR_READY) {
+      NoCardFound();
+      return;
+    }
+
+    int altFileIdx = !bool(x194_fileIdx);
+    if (readRes == kCR_READY) {
+      x10_state = kS_Ready;
+      ReadFinished();
+      EFileState fileSt = x100_mcFileInfos[altFileIdx].first;
+      if (fileSt != kFS_NoFile) {
+        StartFileDeleteAlt();
+      } else {
+        CheckCardCapacity();
+      }
+      return;
+    }
+
+    if (readRes == kCR_CRC_MISMATCH) {
+      x100_mcFileInfos[x194_fileIdx].first = kFS_BadFile;
+      if (x100_mcFileInfos[altFileIdx].first == kFS_File) {
+        x10_state = kS_CardCheckDone;
+        IndexFiles();
+      } else {
+        x10_state = kS_FileBad;
+        x14_error = kE_FileCorrupted;
+      }
+    }
+  } else {
+    HandleCardError(result, kS_FileBad);
+  }
+}
 
 void CMemoryCardDriver::UpdateFileDeleteAlt(ECardResult) {}
 
@@ -203,6 +230,10 @@ void CMemoryCardDriver::IndexFiles() {}
 
 void CMemoryCardDriver::StartFileDeleteBad() {}
 
+void CMemoryCardDriver::StartFileDeleteAlt() {}
+
+void CMemoryCardDriver::StartFileRead() {}
+
 void CMemoryCardDriver::StartFileCreate() {}
 
 void CMemoryCardDriver::StartFileWrite() {}