From 1d6cc3c6ef8cf724883d3f12fa5a06fe25bf5839 Mon Sep 17 00:00:00 2001
From: RSDuck <rsduck@users.noreply.github.com>
Date: Sun, 17 Jan 2021 19:56:02 +0100
Subject: keep only one handle of the NAND file around

---
 src/frontend/Util_ROM.cpp | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

(limited to 'src/frontend/Util_ROM.cpp')

diff --git a/src/frontend/Util_ROM.cpp b/src/frontend/Util_ROM.cpp
index 9f22f5f..065b319 100644
--- a/src/frontend/Util_ROM.cpp
+++ b/src/frontend/Util_ROM.cpp
@@ -25,6 +25,7 @@
 #include "Platform.h"
 
 #include "NDS.h"
+#include "DSi.h"
 #include "GBACart.h"
 
 #include "AREngine.h"
@@ -199,18 +200,27 @@ int VerifyDSiFirmware()
     return Load_OK;
 }
 
-int VerifyDSiNAND()
+int SetupDSiNAND()
 {
     FILE* f;
     long len;
 
-    f = Platform::OpenLocalFile(Config::DSiNANDPath, "rb");
+    f = Platform::OpenLocalFile(Config::DSiNANDPath, "r+b");
     if (!f) return Load_DSiNANDMissing;
 
     // TODO: some basic checks
     // check that it has the nocash footer, and all
 
-    fclose(f);
+    DSi::SDMMCFile = f;
+
+    if (Config::DSiSDEnable)
+    {
+        f = Platform::OpenLocalFile(Config::DSiSDPath, "r+b");
+        if (f)
+            DSi::SDIOFile = f;
+        else
+            DSi::SDIOFile = Platform::OpenLocalFile(Config::DSiSDPath, "w+b");
+    }
 
     return Load_OK;
 }
@@ -243,6 +253,8 @@ void LoadCheats()
 
 int LoadBIOS()
 {
+    DSi::CloseDSiNAND();
+
     int res;
 
     res = VerifyDSBIOS();
@@ -256,7 +268,7 @@ int LoadBIOS()
         res = VerifyDSiFirmware();
         if (res != Load_OK) return res;
 
-        res = VerifyDSiNAND();
+        res = SetupDSiNAND();
         if (res != Load_OK) return res;
     }
     else
@@ -285,6 +297,8 @@ int LoadBIOS()
 
 int LoadROM(const char* file, int slot)
 {
+    DSi::CloseDSiNAND();
+
     int res;
     bool directboot = Config::DirectBoot != 0;
 
@@ -305,7 +319,7 @@ int LoadROM(const char* file, int slot)
         res = VerifyDSiFirmware();
         if (res != Load_OK) return res;
 
-        res = VerifyDSiNAND();
+        res = SetupDSiNAND();
         if (res != Load_OK) return res;
 
         GBACart::Eject();
@@ -376,10 +390,14 @@ void UnloadROM(int slot)
     }
 
     ROMPath[slot][0] = '\0';
+
+    DSi::CloseDSiNAND();
 }
 
 int Reset()
 {
+    DSi::CloseDSiNAND();
+
     int res;
     bool directboot = Config::DirectBoot != 0;
 
@@ -394,7 +412,7 @@ int Reset()
         res = VerifyDSiFirmware();
         if (res != Load_OK) return res;
 
-        res = VerifyDSiNAND();
+        res = SetupDSiNAND();
         if (res != Load_OK) return res;
 
         GBACart::Eject();
-- 
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