diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..176a458
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto
diff --git a/arm9/src/main.c b/arm9/src/main.c
index b3786d6..0134de1 100644
--- a/arm9/src/main.c
+++ b/arm9/src/main.c
@@ -1,555 +1,555 @@
-#include "bgMenu.h"
-#include "main.h"
-#include "menu.h"
-#include "message.h"
-#include "nand/nandio.h"
-#include "storage.h"
-#include "version.h"
-#include "unlaunch.h"
-#include "nitrofs.h"
-#include "deviceList.h"
-#include "nocashFooter.h"
-
-volatile bool programEnd = false;
-static volatile bool arm7Exiting = false;
-static bool unlaunchFound = false;
-static bool hnaaUnlaunchFound = false;
-static bool retailLauncherTmdPresentAndToBePatched = true;
-static bool retailConsole = true;
-static UNLAUNCH_VERSION foundUnlaunchInstallerVersion = INVALID;
-static bool disableAllPatches = false;
-static bool enableSoundAndSplash = false;
-static const char* splashSoundBinaryPatchPath = NULL;
-static const char* customBgPath = NULL;
-volatile bool charging = false;
-volatile u8 batteryLevel = 0;
-static bool advancedOptionsUnlocked = false;
-static bool needsNocashFooterToBeWritten = false;
-static bool isLauncherVersionSupported = true;
-static NocashFooter computedNocashFooter;
-
-PrintConsole topScreen;
-PrintConsole bottomScreen;
-
-enum {
-	MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL,
-	MAIN_MENU_CUSTOM_BG,
-	MAIN_MENU_SOUND_SPLASH_PATCHES,
-	MAIN_MENU_SAFE_UNLAUNCH_INSTALL,
-	MAIN_MENU_EXIT,
-	MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP,
-	MAIN_MENU_WRITE_NOCASH_FOOTER_ONLY,
-	MAIN_MENU_TID_PATCHES,
-};
-
-static void setupScreens()
-{
-	REG_DISPCNT = MODE_FB0;
-	VRAM_A_CR = VRAM_ENABLE;
-
-	videoSetMode(MODE_0_2D);
-	videoSetModeSub(MODE_0_2D);
-
-	vramSetBankA(VRAM_A_MAIN_BG);
-	vramSetBankC(VRAM_C_SUB_BG);
-
-	consoleInit(&topScreen, 3, BgType_Text4bpp, BgSize_T_256x256, 31, 0, true, true);
-	consoleInit(&bottomScreen, 3, BgType_Text4bpp, BgSize_T_256x256, 31, 0, false, true);
-
-	clearScreen(&bottomScreen);
-
-	VRAM_A[100] = 0xFFFF;
-}
-
-static int mainMenu(int cursor)
-{
-	//top screen
-	clearScreen(&topScreen);
-
-	iprintf("\t\"Safe\" unlaunch installer\n");
-	iprintf("\nversion %s\n", VERSION);
-	iprintf("\n\n\x1B[41mWARNING:\x1B[47m This tool can write to"
-			"\nyour internal NAND!"
-			"\n\nThis always has a risk, albeit"
-			"\nlow, of \x1B[41mbricking\x1B[47m your system"
-			"\nand should be done with caution!\n");
-	iprintf("\n\t  \x1B[46mhttps://dsi.cfw.guide\x1B[47m\n");
-	iprintf("\x1b[23;0Hedo9300 - 2024");
-
-	//menu
-	Menu* m = newMenu();
-	setMenuHeader(m, "MAIN MENU");
-
-	char soundPatchesStr[64], tidPatchesStr[32], installUnlaunchStr[32];
-	sprintf(tidPatchesStr, "Disable all patches: %s",
-						disableAllPatches ? "On" : "Off");
-	sprintf(soundPatchesStr, "Enable sound and splash: %s",
-							enableSoundAndSplash ? "On" : "Off");
-	if(foundUnlaunchInstallerVersion != INVALID)
-	{
-		sprintf(installUnlaunchStr, "Install unlaunch (%s)", getUnlaunchVersionString(foundUnlaunchInstallerVersion));
-	}
-	else
-	{
-		strcpy(installUnlaunchStr, "Install unlaunch");
-	}
-	addMenuItem(m, "Uninstall unlaunch", NULL, unlaunchFound && isLauncherVersionSupported, false);
-	addMenuItem(m, "Custom background", NULL, foundUnlaunchInstallerVersion != INVALID && isLauncherVersionSupported, true);
-	addMenuItem(m, soundPatchesStr, NULL, foundUnlaunchInstallerVersion == v2_0 && !disableAllPatches && splashSoundBinaryPatchPath != NULL && isLauncherVersionSupported, false);
-	addMenuItem(m, installUnlaunchStr, NULL, foundUnlaunchInstallerVersion != INVALID && !unlaunchFound && isLauncherVersionSupported, false);
-	addMenuItem(m, "Exit", NULL, true, false);
-	if(!isLauncherVersionSupported)
-	{
-		addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
-	}
-	else if(advancedOptionsUnlocked)
-	{
-		addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
-		addMenuItem(m, "Write nocash footer", NULL, needsNocashFooterToBeWritten, false);
-		addMenuItem(m, tidPatchesStr, NULL, (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0) && isLauncherVersionSupported, false);
-	}
-
-	m->cursor = cursor;
-
-	//bottom screen
-	printMenu(m);
-
-	int konamiCode = 0;
-	bool konamiCodeCooldown = false;
-
-	while (!programEnd)
-	{
-		swiWaitForVBlank();
-		scanKeys();
-
-		if (moveCursor(m))
-			printMenu(m);
-
-		if (keysDown() & KEY_A)
-			break;
-
-		if(advancedOptionsUnlocked)
-			continue;
-
-		int held = keysHeld();
-
-		if ((held & (KEY_L | KEY_R | KEY_Y)) == (KEY_L | KEY_R | KEY_Y))
-		{
-			if(held == (KEY_L | KEY_R | KEY_Y) && !konamiCodeCooldown)
-			{
-				konamiCodeCooldown = true;
-				++konamiCode;
-			}
-		}
-		else
-		{
-			konamiCodeCooldown = false;
-		}
-		if (konamiCode == 5)
-		{
-			advancedOptionsUnlocked = true;
-			// Enabled by default when unsupported
-			if(isLauncherVersionSupported)
-			{
-				addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
-			}
-			addMenuItem(m, "Write nocash footer", NULL, needsNocashFooterToBeWritten, false);
-			addMenuItem(m, tidPatchesStr, NULL, (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0) && isLauncherVersionSupported, false);
-		}
-	}
-
-	int result = m->cursor;
-	freeMenu(m);
-
-	return result;
-}
-
-static void fifoHandlerPower(u32 value32, void* userdata)
-{
-	if (value32 == 0x54495845) // 'EXIT'
-	{
-		programEnd = true;
-		arm7Exiting = true;
-	}
-}
-
-static void fifoHandlerBattery(u32 value32, void* userdata)
-{
-	batteryLevel = value32 & 0xF;
-	charging = (value32 & BIT(7)) != 0;
-}
-
-int main(int argc, char **argv)
-{
-	keysSetRepeat(25, 5);
-	setupScreens();
-
-	fifoSetValue32Handler(FIFO_USER_01, fifoHandlerPower, NULL);
-	fifoSetValue32Handler(FIFO_USER_03, fifoHandlerBattery, NULL);
-
-	//DSi check
-	if (!isDSiMode())
-	{
-		messageBox("\x1B[31mError:\x1B[33m This app is exclusively for DSi.");
-		return 0;
-	}
-
-	//setup sd card access
-	if (!fatInitDefault())
-	{
-		messageBox("fatInitDefault()...\x1B[31mFailed\n\x1B[47m");
-	}
-
-	u32 clusterSize = getClusterSizeForPartition("sd:/");
-	if(clusterSize > 32768)
-	{
-		messageBox("Sd card cluster size is too large");
-		return 0;
-	}
-
-	//setup nand access
-	if (!fatMountSimple("nand", &io_dsi_nand))
-	{
-		messageBox("nand init \x1B[31mfailed\n\x1B[47m");
-		return 0;
-	}
-
-	NocashFooter footer;
-
-	nandio_read_nocash_footer(&footer);
-	nandio_construct_nocash_footer(&computedNocashFooter);
-
-	if(!(needsNocashFooterToBeWritten = !isFooterValid(&footer)))
-	{
-		if(memcmp(&footer, &computedNocashFooter, sizeof(footer)) != 0)
-		{
-			messageBox("\x1B[31mError:\x1B[33m This console has a\n"
-						"nocash footer embedded in its\n"
-						"nand that doesn't match the one\n"
-						"generated.\n"
-						"The footer already present will\n"
-						"be overwritten.");
-			needsNocashFooterToBeWritten = true;
-		}
-	}
-
-	while (batteryLevel < 7 && !charging)
-	{
-		if (choiceBox("\x1B[47mBattery is too low!\nPlease plug in the console.\n\nContinue?") == NO)
-			return 0;
-	}
-
-	DeviceList* deviceList = getDeviceList();
-
-	const char* installerPath = (argc > 0) ? argv[0] : (deviceList ? deviceList->appname :  "sd:/ntrboot.nds");
-
-	if (!nitroFSInit(installerPath))
-	{
-		messageBox("nitroFSInit()...\x1B[31mFailed\n\x1B[47m");
-	}
-
-	if (fileExists("sd:/unlaunch.dsi"))
-	{
-		foundUnlaunchInstallerVersion = loadUnlaunchInstaller("sd:/unlaunch.dsi");
-		if (foundUnlaunchInstallerVersion == INVALID)
-		{
-			messageBox("\x1B[41mWARNING:\x1B[47m Failed to load unlaunch.dsi\n"
-						"from the root of the sd card.\n"
-						"Attempting to use the bundled one.");
-		}
-	}
-
-	if(foundUnlaunchInstallerVersion == INVALID)
-	{
-		foundUnlaunchInstallerVersion = loadUnlaunchInstaller("nitro:/unlaunch.dsi");
-		if (foundUnlaunchInstallerVersion == INVALID)
-		{
-			messageBox("\x1B[41mWARNING:\x1B[47m Failed to load bundled unlaunch\n"
-						"installer.\n"
-						"Installing unlaunch won't be possible.");
-		}
-	}
-	if (fileExists("sd:/unlaunch-patch.bin")) {
-		splashSoundBinaryPatchPath = "sd:/unlaunch-patch.bin";
-	}
-	else if(fileExists("nitro:/unlaunch-patch.bin"))
-	{
-		splashSoundBinaryPatchPath = "nitro:/unlaunch-patch.bin";
-	}
-
-	//check for unlaunch and region
-	u8 region = 0xff;
-	char retailLauncherTmdPath[64];
-	char retailLauncherPath[64];
-	const char* hnaaTmdPath = "nand:/title/00030017/484e4141/content/title.tmd";
-	{
-		FILE* file = fopen("nand:/sys/HWINFO_S.dat", "rb");
-		bool mainTmdIsPatched = false;
-		if (file)
-		{
-			fseek(file, 0xA0, SEEK_SET);
-			u32 launcherTid;
-			fread(&launcherTid, sizeof(u32), 1, file);
-			fclose(file);
-
-			region = launcherTid & 0xFF;
-
-			sprintf(retailLauncherTmdPath, "nand:/title/00030017/%08lx/content/title.tmd", launcherTid);
-			FILE* tmd = fopen(retailLauncherTmdPath, "rb");
-			unsigned long long tmdSize = getFileSize(tmd);
-			if(!tmd || tmdSize < 520)
-			{
-				//if size isn't 520 then the tmd either is not present, or is already invalid, thus no need to patch
-				retailLauncherTmdPresentAndToBePatched = false;
-			}
-			else
-			{
-				if (tmdSize > 520)
-				{
-					unlaunchFound = true;
-				}
-				else
-				{
-					mainTmdIsPatched = isLauncherTmdPatched(retailLauncherTmdPath);
-				}
-				fseek(tmd, 0x1DC, SEEK_SET);
-				unsigned short launcherVersion;
-				fread(&launcherVersion, sizeof(launcherVersion), 1, tmd);
-				// Launcher v4, build v1024 (shipped with firmware 1.4.2 (not sure about J, and 1.4.3 for china)
-				// will fail to launch if another tmd withouth appropriate application, or an invalid
-				// tmd (in our case the one installed from unlaunch) is found in the HNAA launcher folder
-				// there's really no workaround to that, so that specific version is blacklisted and only uninstalling
-				// an "officially" installed unlaunch without leaving any backup behind will be allowed
-				if(launcherVersion == 4)
-				{
-					isLauncherVersionSupported = false;
-					messageBox("\x1B[41mWARNING:\x1B[47m This system version\n"
-								"doesn't support this install\n"
-								"method, only uninstalling\n"
-								"unaunch without backups will\n"
-								"be possible");
-				}
-				else if (launcherVersion > 7)
-				{
-					char messageBoxError[128];
-					sprintf(messageBoxError, "\x1B[41mWARNING:\x1B[47m This system version (%d)\n"
-								"is unknown\n"
-								"nothing will be done", (int)launcherVersion);
-					messageBox("\x1B[41mWARNING:\x1B[47m This system version\n"
-								"is unknown\n"
-								"nothing will be done");
-					goto abort;
-				}
-				sprintf(retailLauncherPath, "nand:/title/00030017/%08lx/content/0000000%d.app", launcherTid, (int)launcherVersion);
-			}
-			if(tmd)
-			{
-				fclose(tmd);
-			}
-			// HWINFO_S may not always exist (PRE_IMPORT). Fill in defaults if that happens.
-		}
-
-		// I own and know of many people with retail and dev prototypes
-		// These can normally be identified by having the region set to ALL (0x41)
-		retailConsole = (region != 0x41 && region != 0xFF);
-
-		unsigned long long tmdSize = getFileSizePath(hnaaTmdPath);
-		if (tmdSize > 520)
-		{
-			unlaunchFound = unlaunchFound || (mainTmdIsPatched || !retailConsole);
-			hnaaUnlaunchFound = true;
-		}
-	}
-
-	messageBox("\x1B[41mWARNING:\x1B[47m This tool can write to\n"
-				"your internal NAND!\n\n"
-				"This always has a risk, albeit\n"
-				"low, of \x1B[41mbricking\x1B[47m your system\n"
-				"and should be done with caution!\n\n"
-				"If you have not yet done so,\n"
-				"you should make a NAND backup.");
-	//main menu
-	int cursor = 0;
-
-	while (!programEnd)
-	{
-		cursor = mainMenu(cursor);
-
-		switch (cursor)
-		{
-			case MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL:
-			case MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP:
-				bool unsafeUninstall = (advancedOptionsUnlocked || !isLauncherVersionSupported) && cursor == MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP;
-				if(!unlaunchFound || !unsafeUninstall)
-				{
-					break;
-				}
-				if(!nandio_unlock_writing())
-				{
-					break;
-				}
-				printf("Uninstalling");
-				if(needsNocashFooterToBeWritten)
-				{
-					printf("Writing nocash footer\n");
-					if(!nandio_write_nocash_footer(&computedNocashFooter))
-					{
-						nandio_lock_writing();
-						messageBox("Failed to write nocash footer");
-						break;
-					}
-					needsNocashFooterToBeWritten = false;
-				}
-				if(uninstallUnlaunch(retailConsole, hnaaUnlaunchFound, retailLauncherTmdPath, retailLauncherPath, unsafeUninstall))
-				{
-					messageBox("Uninstall successful!\n");
-					unlaunchFound = false;
-				}
-				else
-				{
-					messageBox("\x1B[31mError:\x1B[33m Uninstall failed\n");
-				}
-				nandio_lock_writing();
-				printf("Synchronizing FAT tables...\n");
-				nandio_synchronize_fats();
-				break;
-
-			case MAIN_MENU_CUSTOM_BG:
-				if(!isLauncherVersionSupported)
-				{
-					break;
-				}
-				if(foundUnlaunchInstallerVersion == INVALID)
-				{
-					break;
-				}
-				const char* customBg = backgroundMenu();
-				if(!customBg)
-				{
-					break;
-				}
-				if(strcmp(customBg, "default") == 0)
-				{
-					customBgPath = NULL;
-				}
-				else
-				{
-					customBgPath = customBg;
-				}
-				break;
-
-			case MAIN_MENU_TID_PATCHES:
-				if(!isLauncherVersionSupported)
-				{
-					break;
-				}
-				if(advancedOptionsUnlocked && (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0)) {
-					disableAllPatches = !disableAllPatches;
-				}
-				break;
-
-			case MAIN_MENU_SOUND_SPLASH_PATCHES:
-				if(!isLauncherVersionSupported)
-				{
-					break;
-				}
-				if(foundUnlaunchInstallerVersion == v2_0 && !disableAllPatches && splashSoundBinaryPatchPath != NULL) {
-					enableSoundAndSplash = !enableSoundAndSplash;
-				}
-				break;
-
-			case MAIN_MENU_SAFE_UNLAUNCH_INSTALL:
-				if(!isLauncherVersionSupported)
-				{
-					break;
-				}
-				if(unlaunchFound || foundUnlaunchInstallerVersion == INVALID)
-				{
-					break;
-				}
-				if(choiceBox("Install unlaunch?") == NO)
-				{
-					break;
-				}
-				if(!retailLauncherTmdPresentAndToBePatched
-					&& (choiceBox("There doesn't seem to be a launcher.tmd\n"
-									"file matcing the hwinfo file\n"
-									"Keep installing?") == NO))
-				{
-					break;
-				}
-				if(!nandio_unlock_writing())
-				{
-					break;
-				}
-				printf("Installing\n");
-				if(needsNocashFooterToBeWritten)
-				{
-					printf("Writing nocash footer\n");
-					if(!nandio_write_nocash_footer(&computedNocashFooter))
-					{
-						nandio_lock_writing();
-						messageBox("Failed to write nocash footer");
-						break;
-					}
-					needsNocashFooterToBeWritten = false;
-				}
-				if(installUnlaunch(retailConsole,
-									retailLauncherTmdPresentAndToBePatched ? retailLauncherTmdPath : NULL,
-									retailLauncherTmdPresentAndToBePatched ? retailLauncherPath : NULL,
-									disableAllPatches,
-									enableSoundAndSplash ? splashSoundBinaryPatchPath : NULL,
-									customBgPath))
-				{
-					messageBox("Install successful!\n");
-					unlaunchFound = true;
-				}
-				else
-				{
-					messageBox("\x1B[31mError:\x1B[33m Install failed\n");
-				}
-				nandio_lock_writing();
-				printf("Synchronizing FAT tables...\n");
-				nandio_synchronize_fats();
-				break;
-
-			case MAIN_MENU_WRITE_NOCASH_FOOTER_ONLY:
-				if(!needsNocashFooterToBeWritten)
-				{
-					break;
-				}
-				if(!nandio_write_nocash_footer(&computedNocashFooter))
-				{
-					messageBox("Failed to write nocash footer");
-					break;
-				}
-				needsNocashFooterToBeWritten = false;
-				break;
-
-			case MAIN_MENU_EXIT:
-				programEnd = true;
-				break;
-		}
-	}
-	
-	abort:
-
-	clearScreen(&bottomScreen);
-	printf("Unmounting NAND...\n");
-	fatUnmount("nand:");
-	printf("Merging stages...\n");
-	nandio_shutdown();
-
-	fifoSendValue32(FIFO_USER_02, 0x54495845); // 'EXIT'
-
-	while (arm7Exiting)
-		swiWaitForVBlank();
-
-	return 0;
-}
-
-void clearScreen(PrintConsole* screen)
-{
-	consoleSelect(screen);
-	consoleClear();
+#include "bgMenu.h"
+#include "main.h"
+#include "menu.h"
+#include "message.h"
+#include "nand/nandio.h"
+#include "storage.h"
+#include "version.h"
+#include "unlaunch.h"
+#include "nitrofs.h"
+#include "deviceList.h"
+#include "nocashFooter.h"
+
+volatile bool programEnd = false;
+static volatile bool arm7Exiting = false;
+static bool unlaunchFound = false;
+static bool hnaaUnlaunchFound = false;
+static bool retailLauncherTmdPresentAndToBePatched = true;
+static bool retailConsole = true;
+static UNLAUNCH_VERSION foundUnlaunchInstallerVersion = INVALID;
+static bool disableAllPatches = false;
+static bool enableSoundAndSplash = false;
+static const char* splashSoundBinaryPatchPath = NULL;
+static const char* customBgPath = NULL;
+volatile bool charging = false;
+volatile u8 batteryLevel = 0;
+static bool advancedOptionsUnlocked = false;
+static bool needsNocashFooterToBeWritten = false;
+static bool isLauncherVersionSupported = true;
+static NocashFooter computedNocashFooter;
+
+PrintConsole topScreen;
+PrintConsole bottomScreen;
+
+enum {
+	MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL,
+	MAIN_MENU_CUSTOM_BG,
+	MAIN_MENU_SOUND_SPLASH_PATCHES,
+	MAIN_MENU_SAFE_UNLAUNCH_INSTALL,
+	MAIN_MENU_EXIT,
+	MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP,
+	MAIN_MENU_WRITE_NOCASH_FOOTER_ONLY,
+	MAIN_MENU_TID_PATCHES,
+};
+
+static void setupScreens()
+{
+	REG_DISPCNT = MODE_FB0;
+	VRAM_A_CR = VRAM_ENABLE;
+
+	videoSetMode(MODE_0_2D);
+	videoSetModeSub(MODE_0_2D);
+
+	vramSetBankA(VRAM_A_MAIN_BG);
+	vramSetBankC(VRAM_C_SUB_BG);
+
+	consoleInit(&topScreen, 3, BgType_Text4bpp, BgSize_T_256x256, 31, 0, true, true);
+	consoleInit(&bottomScreen, 3, BgType_Text4bpp, BgSize_T_256x256, 31, 0, false, true);
+
+	clearScreen(&bottomScreen);
+
+	VRAM_A[100] = 0xFFFF;
+}
+
+static int mainMenu(int cursor)
+{
+	//top screen
+	clearScreen(&topScreen);
+
+	iprintf("\t\"Safe\" unlaunch installer\n");
+	iprintf("\nversion %s\n", VERSION);
+	iprintf("\n\n\x1B[41mWARNING:\x1B[47m This tool can write to"
+			"\nyour internal NAND!"
+			"\n\nThis always has a risk, albeit"
+			"\nlow, of \x1B[41mbricking\x1B[47m your system"
+			"\nand should be done with caution!\n");
+	iprintf("\n\t  \x1B[46mhttps://dsi.cfw.guide\x1B[47m\n");
+	iprintf("\x1b[23;0Hedo9300 - 2024");
+
+	//menu
+	Menu* m = newMenu();
+	setMenuHeader(m, "MAIN MENU");
+
+	char soundPatchesStr[64], tidPatchesStr[32], installUnlaunchStr[32];
+	sprintf(tidPatchesStr, "Disable all patches: %s",
+						disableAllPatches ? "On" : "Off");
+	sprintf(soundPatchesStr, "Enable sound and splash: %s",
+							enableSoundAndSplash ? "On" : "Off");
+	if(foundUnlaunchInstallerVersion != INVALID)
+	{
+		sprintf(installUnlaunchStr, "Install unlaunch (%s)", getUnlaunchVersionString(foundUnlaunchInstallerVersion));
+	}
+	else
+	{
+		strcpy(installUnlaunchStr, "Install unlaunch");
+	}
+	addMenuItem(m, "Uninstall unlaunch", NULL, unlaunchFound && isLauncherVersionSupported, false);
+	addMenuItem(m, "Custom background", NULL, foundUnlaunchInstallerVersion != INVALID && isLauncherVersionSupported, true);
+	addMenuItem(m, soundPatchesStr, NULL, foundUnlaunchInstallerVersion == v2_0 && !disableAllPatches && splashSoundBinaryPatchPath != NULL && isLauncherVersionSupported, false);
+	addMenuItem(m, installUnlaunchStr, NULL, foundUnlaunchInstallerVersion != INVALID && !unlaunchFound && isLauncherVersionSupported, false);
+	addMenuItem(m, "Exit", NULL, true, false);
+	if(!isLauncherVersionSupported)
+	{
+		addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
+	}
+	else if(advancedOptionsUnlocked)
+	{
+		addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
+		addMenuItem(m, "Write nocash footer", NULL, needsNocashFooterToBeWritten, false);
+		addMenuItem(m, tidPatchesStr, NULL, (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0) && isLauncherVersionSupported, false);
+	}
+
+	m->cursor = cursor;
+
+	//bottom screen
+	printMenu(m);
+
+	int konamiCode = 0;
+	bool konamiCodeCooldown = false;
+
+	while (!programEnd)
+	{
+		swiWaitForVBlank();
+		scanKeys();
+
+		if (moveCursor(m))
+			printMenu(m);
+
+		if (keysDown() & KEY_A)
+			break;
+
+		if(advancedOptionsUnlocked)
+			continue;
+
+		int held = keysHeld();
+
+		if ((held & (KEY_L | KEY_R | KEY_Y)) == (KEY_L | KEY_R | KEY_Y))
+		{
+			if(held == (KEY_L | KEY_R | KEY_Y) && !konamiCodeCooldown)
+			{
+				konamiCodeCooldown = true;
+				++konamiCode;
+			}
+		}
+		else
+		{
+			konamiCodeCooldown = false;
+		}
+		if (konamiCode == 5)
+		{
+			advancedOptionsUnlocked = true;
+			// Enabled by default when unsupported
+			if(isLauncherVersionSupported)
+			{
+				addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
+			}
+			addMenuItem(m, "Write nocash footer", NULL, needsNocashFooterToBeWritten, false);
+			addMenuItem(m, tidPatchesStr, NULL, (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0) && isLauncherVersionSupported, false);
+		}
+	}
+
+	int result = m->cursor;
+	freeMenu(m);
+
+	return result;
+}
+
+static void fifoHandlerPower(u32 value32, void* userdata)
+{
+	if (value32 == 0x54495845) // 'EXIT'
+	{
+		programEnd = true;
+		arm7Exiting = true;
+	}
+}
+
+static void fifoHandlerBattery(u32 value32, void* userdata)
+{
+	batteryLevel = value32 & 0xF;
+	charging = (value32 & BIT(7)) != 0;
+}
+
+int main(int argc, char **argv)
+{
+	keysSetRepeat(25, 5);
+	setupScreens();
+
+	fifoSetValue32Handler(FIFO_USER_01, fifoHandlerPower, NULL);
+	fifoSetValue32Handler(FIFO_USER_03, fifoHandlerBattery, NULL);
+
+	//DSi check
+	if (!isDSiMode())
+	{
+		messageBox("\x1B[31mError:\x1B[33m This app is exclusively for DSi.");
+		return 0;
+	}
+
+	//setup sd card access
+	if (!fatInitDefault())
+	{
+		messageBox("fatInitDefault()...\x1B[31mFailed\n\x1B[47m");
+	}
+
+	u32 clusterSize = getClusterSizeForPartition("sd:/");
+	if(clusterSize > 32768)
+	{
+		messageBox("Sd card cluster size is too large");
+		return 0;
+	}
+
+	//setup nand access
+	if (!fatMountSimple("nand", &io_dsi_nand))
+	{
+		messageBox("nand init \x1B[31mfailed\n\x1B[47m");
+		return 0;
+	}
+
+	NocashFooter footer;
+
+	nandio_read_nocash_footer(&footer);
+	nandio_construct_nocash_footer(&computedNocashFooter);
+
+	if(!(needsNocashFooterToBeWritten = !isFooterValid(&footer)))
+	{
+		if(memcmp(&footer, &computedNocashFooter, sizeof(footer)) != 0)
+		{
+			messageBox("\x1B[31mError:\x1B[33m This console has a\n"
+						"nocash footer embedded in its\n"
+						"nand that doesn't match the one\n"
+						"generated.\n"
+						"The footer already present will\n"
+						"be overwritten.");
+			needsNocashFooterToBeWritten = true;
+		}
+	}
+
+	while (batteryLevel < 7 && !charging)
+	{
+		if (choiceBox("\x1B[47mBattery is too low!\nPlease plug in the console.\n\nContinue?") == NO)
+			return 0;
+	}
+
+	DeviceList* deviceList = getDeviceList();
+
+	const char* installerPath = (argc > 0) ? argv[0] : (deviceList ? deviceList->appname :  "sd:/ntrboot.nds");
+
+	if (!nitroFSInit(installerPath))
+	{
+		messageBox("nitroFSInit()...\x1B[31mFailed\n\x1B[47m");
+	}
+
+	if (fileExists("sd:/unlaunch.dsi"))
+	{
+		foundUnlaunchInstallerVersion = loadUnlaunchInstaller("sd:/unlaunch.dsi");
+		if (foundUnlaunchInstallerVersion == INVALID)
+		{
+			messageBox("\x1B[41mWARNING:\x1B[47m Failed to load unlaunch.dsi\n"
+						"from the root of the sd card.\n"
+						"Attempting to use the bundled one.");
+		}
+	}
+
+	if(foundUnlaunchInstallerVersion == INVALID)
+	{
+		foundUnlaunchInstallerVersion = loadUnlaunchInstaller("nitro:/unlaunch.dsi");
+		if (foundUnlaunchInstallerVersion == INVALID)
+		{
+			messageBox("\x1B[41mWARNING:\x1B[47m Failed to load bundled unlaunch\n"
+						"installer.\n"
+						"Installing unlaunch won't be possible.");
+		}
+	}
+	if (fileExists("sd:/unlaunch-patch.bin")) {
+		splashSoundBinaryPatchPath = "sd:/unlaunch-patch.bin";
+	}
+	else if(fileExists("nitro:/unlaunch-patch.bin"))
+	{
+		splashSoundBinaryPatchPath = "nitro:/unlaunch-patch.bin";
+	}
+
+	//check for unlaunch and region
+	u8 region = 0xff;
+	char retailLauncherTmdPath[64];
+	char retailLauncherPath[64];
+	const char* hnaaTmdPath = "nand:/title/00030017/484e4141/content/title.tmd";
+	{
+		FILE* file = fopen("nand:/sys/HWINFO_S.dat", "rb");
+		bool mainTmdIsPatched = false;
+		if (file)
+		{
+			fseek(file, 0xA0, SEEK_SET);
+			u32 launcherTid;
+			fread(&launcherTid, sizeof(u32), 1, file);
+			fclose(file);
+
+			region = launcherTid & 0xFF;
+
+			sprintf(retailLauncherTmdPath, "nand:/title/00030017/%08lx/content/title.tmd", launcherTid);
+			FILE* tmd = fopen(retailLauncherTmdPath, "rb");
+			unsigned long long tmdSize = getFileSize(tmd);
+			if(!tmd || tmdSize < 520)
+			{
+				//if size isn't 520 then the tmd either is not present, or is already invalid, thus no need to patch
+				retailLauncherTmdPresentAndToBePatched = false;
+			}
+			else
+			{
+				if (tmdSize > 520)
+				{
+					unlaunchFound = true;
+				}
+				else
+				{
+					mainTmdIsPatched = isLauncherTmdPatched(retailLauncherTmdPath);
+				}
+				fseek(tmd, 0x1DC, SEEK_SET);
+				unsigned short launcherVersion;
+				fread(&launcherVersion, sizeof(launcherVersion), 1, tmd);
+				// Launcher v4, build v1024 (shipped with firmware 1.4.2 (not sure about J, and 1.4.3 for china)
+				// will fail to launch if another tmd withouth appropriate application, or an invalid
+				// tmd (in our case the one installed from unlaunch) is found in the HNAA launcher folder
+				// there's really no workaround to that, so that specific version is blacklisted and only uninstalling
+				// an "officially" installed unlaunch without leaving any backup behind will be allowed
+				if(launcherVersion == 4)
+				{
+					isLauncherVersionSupported = false;
+					messageBox("\x1B[41mWARNING:\x1B[47m This system version\n"
+								"doesn't support this install\n"
+								"method, only uninstalling\n"
+								"unaunch without backups will\n"
+								"be possible");
+				}
+				else if (launcherVersion > 7)
+				{
+					char messageBoxError[128];
+					sprintf(messageBoxError, "\x1B[41mWARNING:\x1B[47m This system version (%d)\n"
+								"is unknown\n"
+								"nothing will be done", (int)launcherVersion);
+					messageBox("\x1B[41mWARNING:\x1B[47m This system version\n"
+								"is unknown\n"
+								"nothing will be done");
+					goto abort;
+				}
+				sprintf(retailLauncherPath, "nand:/title/00030017/%08lx/content/0000000%d.app", launcherTid, (int)launcherVersion);
+			}
+			if(tmd)
+			{
+				fclose(tmd);
+			}
+			// HWINFO_S may not always exist (PRE_IMPORT). Fill in defaults if that happens.
+		}
+
+		// I own and know of many people with retail and dev prototypes
+		// These can normally be identified by having the region set to ALL (0x41)
+		retailConsole = (region != 0x41 && region != 0xFF);
+
+		unsigned long long tmdSize = getFileSizePath(hnaaTmdPath);
+		if (tmdSize > 520)
+		{
+			unlaunchFound = unlaunchFound || (mainTmdIsPatched || !retailConsole);
+			hnaaUnlaunchFound = true;
+		}
+	}
+
+	messageBox("\x1B[41mWARNING:\x1B[47m This tool can write to\n"
+				"your internal NAND!\n\n"
+				"This always has a risk, albeit\n"
+				"low, of \x1B[41mbricking\x1B[47m your system\n"
+				"and should be done with caution!\n\n"
+				"If you have not yet done so,\n"
+				"you should make a NAND backup.");
+	//main menu
+	int cursor = 0;
+
+	while (!programEnd)
+	{
+		cursor = mainMenu(cursor);
+
+		switch (cursor)
+		{
+			case MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL:
+			case MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP:
+				bool unsafeUninstall = (advancedOptionsUnlocked || !isLauncherVersionSupported) && cursor == MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP;
+				if(!unlaunchFound || !unsafeUninstall)
+				{
+					break;
+				}
+				if(!nandio_unlock_writing())
+				{
+					break;
+				}
+				printf("Uninstalling");
+				if(needsNocashFooterToBeWritten)
+				{
+					printf("Writing nocash footer\n");
+					if(!nandio_write_nocash_footer(&computedNocashFooter))
+					{
+						nandio_lock_writing();
+						messageBox("Failed to write nocash footer");
+						break;
+					}
+					needsNocashFooterToBeWritten = false;
+				}
+				if(uninstallUnlaunch(retailConsole, hnaaUnlaunchFound, retailLauncherTmdPath, retailLauncherPath, unsafeUninstall))
+				{
+					messageBox("Uninstall successful!\n");
+					unlaunchFound = false;
+				}
+				else
+				{
+					messageBox("\x1B[31mError:\x1B[33m Uninstall failed\n");
+				}
+				nandio_lock_writing();
+				printf("Synchronizing FAT tables...\n");
+				nandio_synchronize_fats();
+				break;
+
+			case MAIN_MENU_CUSTOM_BG:
+				if(!isLauncherVersionSupported)
+				{
+					break;
+				}
+				if(foundUnlaunchInstallerVersion == INVALID)
+				{
+					break;
+				}
+				const char* customBg = backgroundMenu();
+				if(!customBg)
+				{
+					break;
+				}
+				if(strcmp(customBg, "default") == 0)
+				{
+					customBgPath = NULL;
+				}
+				else
+				{
+					customBgPath = customBg;
+				}
+				break;
+
+			case MAIN_MENU_TID_PATCHES:
+				if(!isLauncherVersionSupported)
+				{
+					break;
+				}
+				if(advancedOptionsUnlocked && (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0)) {
+					disableAllPatches = !disableAllPatches;
+				}
+				break;
+
+			case MAIN_MENU_SOUND_SPLASH_PATCHES:
+				if(!isLauncherVersionSupported)
+				{
+					break;
+				}
+				if(foundUnlaunchInstallerVersion == v2_0 && !disableAllPatches && splashSoundBinaryPatchPath != NULL) {
+					enableSoundAndSplash = !enableSoundAndSplash;
+				}
+				break;
+
+			case MAIN_MENU_SAFE_UNLAUNCH_INSTALL:
+				if(!isLauncherVersionSupported)
+				{
+					break;
+				}
+				if(unlaunchFound || foundUnlaunchInstallerVersion == INVALID)
+				{
+					break;
+				}
+				if(choiceBox("Install unlaunch?") == NO)
+				{
+					break;
+				}
+				if(!retailLauncherTmdPresentAndToBePatched
+					&& (choiceBox("There doesn't seem to be a launcher.tmd\n"
+									"file matcing the hwinfo file\n"
+									"Keep installing?") == NO))
+				{
+					break;
+				}
+				if(!nandio_unlock_writing())
+				{
+					break;
+				}
+				printf("Installing\n");
+				if(needsNocashFooterToBeWritten)
+				{
+					printf("Writing nocash footer\n");
+					if(!nandio_write_nocash_footer(&computedNocashFooter))
+					{
+						nandio_lock_writing();
+						messageBox("Failed to write nocash footer");
+						break;
+					}
+					needsNocashFooterToBeWritten = false;
+				}
+				if(installUnlaunch(retailConsole,
+									retailLauncherTmdPresentAndToBePatched ? retailLauncherTmdPath : NULL,
+									retailLauncherTmdPresentAndToBePatched ? retailLauncherPath : NULL,
+									disableAllPatches,
+									enableSoundAndSplash ? splashSoundBinaryPatchPath : NULL,
+									customBgPath))
+				{
+					messageBox("Install successful!\n");
+					unlaunchFound = true;
+				}
+				else
+				{
+					messageBox("\x1B[31mError:\x1B[33m Install failed\n");
+				}
+				nandio_lock_writing();
+				printf("Synchronizing FAT tables...\n");
+				nandio_synchronize_fats();
+				break;
+
+			case MAIN_MENU_WRITE_NOCASH_FOOTER_ONLY:
+				if(!needsNocashFooterToBeWritten)
+				{
+					break;
+				}
+				if(!nandio_write_nocash_footer(&computedNocashFooter))
+				{
+					messageBox("Failed to write nocash footer");
+					break;
+				}
+				needsNocashFooterToBeWritten = false;
+				break;
+
+			case MAIN_MENU_EXIT:
+				programEnd = true;
+				break;
+		}
+	}
+	
+	abort:
+
+	clearScreen(&bottomScreen);
+	printf("Unmounting NAND...\n");
+	fatUnmount("nand:");
+	printf("Merging stages...\n");
+	nandio_shutdown();
+
+	fifoSendValue32(FIFO_USER_02, 0x54495845); // 'EXIT'
+
+	while (arm7Exiting)
+		swiWaitForVBlank();
+
+	return 0;
+}
+
+void clearScreen(PrintConsole* screen)
+{
+	consoleSelect(screen);
+	consoleClear();
 }
\ No newline at end of file
diff --git a/arm9/src/main.h b/arm9/src/main.h
index 2ff3ede..b86ee00 100644
--- a/arm9/src/main.h
+++ b/arm9/src/main.h
@@ -1,25 +1,25 @@
-#ifndef MAIN_H
-#define MAIN_H
-
-#include <nds.h>
-#include <fat.h>
-#include <stdio.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-extern volatile bool programEnd;
-extern volatile bool charging;
-extern volatile u8 batteryLevel;
-
-extern PrintConsole topScreen;
-extern PrintConsole bottomScreen;
-
-void clearScreen(PrintConsole* screen);
-
-#ifdef __cplusplus
-}
-#endif
-
+#ifndef MAIN_H
+#define MAIN_H
+
+#include <nds.h>
+#include <fat.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern volatile bool programEnd;
+extern volatile bool charging;
+extern volatile u8 batteryLevel;
+
+extern PrintConsole topScreen;
+extern PrintConsole bottomScreen;
+
+void clearScreen(PrintConsole* screen);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
\ No newline at end of file
diff --git a/arm9/src/menu.c b/arm9/src/menu.c
index df2cf4b..6c589b2 100644
--- a/arm9/src/menu.c
+++ b/arm9/src/menu.c
@@ -1,237 +1,237 @@
-#include "menu.h"
-#include "main.h"
-
-#define sign(X) ( ((X) > 0) - ((X) < 0) )
-#define repeat(X) for (int _I_ = 0; _I_ < (X); _I_++)
-
-Menu* newMenu()
-{
-	Menu* m = (Menu*)malloc(sizeof(Menu));
-
-	m->cursor = 0;
-	m->page = 0;
-	m->itemCount = 0;
-	m->nextPage = false;
-	m->changePage = 0;
-	m->header[0] = '\0';
-
-	for (int i = 0; i < ITEMS_PER_PAGE; i++)
-	{
-		m->items[i].directory = false;
-		m->items[i].label = NULL;
-		m->items[i].value = NULL;
-	}
-
-	return m;
-}
-
-void freeMenu(Menu* m)
-{
-	if (!m) return;
-
-	clearMenu(m);
-
-	free(m);
-	m = NULL;
-}
-
-void addMenuItem(Menu* m, char const* label, char const* value, bool enabled, bool directory)
-{
-	if (!m) return;
-
-	int i = m->itemCount;
-	if (i >= ITEMS_PER_PAGE) return;
-
-	m->items[i].directory = directory;
-	m->items[i].enabled = enabled;
-
-	if (label)
-	{
-		m->items[i].label = (char*)malloc(32);
-		sprintf(m->items[i].label, "%.31s", label);
-	}
-
-	if (value)
-	{
-		m->items[i].value = (char*)malloc(strlen(value)+1);
-		sprintf(m->items[i].value, "%s", value);
-	}
-
-	m->itemCount += 1;
-}
-
-static int alphabeticalCompare(const void* a, const void* b)
-{
-	const Item* itemA = (const Item*)a;
-	const Item* itemB = (const Item*)b;
-
-	if (itemA->directory && !itemB->directory)
-		return -1;
-	else if (!itemA->directory && itemB->directory)
-		return 1;
-	else
-		return strcasecmp(itemA->label, itemB->label);
-}
-
-void sortMenuItems(Menu* m)
-{
-	qsort(m->items, m->itemCount, sizeof(Item), alphabeticalCompare);
-}
-
-void setMenuHeader(Menu* m, const char* str)
-{
-	if (!m) return;
-
-	if (!str)
-	{
-		m->header[0] = '\0';
-		return;
-	}
-
-	const char* strPtr = str;
-
-	if (strlen(strPtr) > 30)
-		strPtr = str + (strlen(strPtr) - 30);
-
-	sprintf(m->header, "%.30s", strPtr);
-}
-
-void resetMenu(Menu* m)
-{
-	m->cursor = 0;
-	m->page = 0;
-	m->changePage = 0;
-	m->nextPage = 0;
-}
-
-void clearMenu(Menu* m)
-{
-	if (!m) return;
-
-	for (int i = 0; i < ITEMS_PER_PAGE; i++)
-	{
-		if (m->items[i].label)
-		{
-			free(m->items[i].label);
-			m->items[i].label = NULL;
-		}
-
-		if (m->items[i].value)
-		{
-			free(m->items[i].value);
-			m->items[i].value = NULL;
-		}
-	}
-
-	m->itemCount = 0;
-}
-
-void printMenu(Menu* m)
-{
-	clearScreen(&bottomScreen);
-
-	if (!m) return;
-
-	//header
-	iprintf("\x1B[42m");	//green
-	iprintf("%.30s\n\n", m->header);
-	iprintf("\x1B[47m");	//white
-
-	if (m->itemCount <= 0)
-	{
-		iprintf("Back - [B]\n");
-		return;
-	}
-
-	//items
-	for (int i = 0; i < m->itemCount; i++)
-	{
-		if (m->items[i].label)
-		{
-			if(!m->items[i].enabled)
-				iprintf("\x1B[37m");	//gray
-
-			if (m->items[i].directory)
-				iprintf(" [%.26s]\n", m->items[i].label);
-			else
-				iprintf(" %.28s\n", m->items[i].label);
-
-			if(!m->items[i].enabled)
-				iprintf("\x1B[47m");	//white
-		}
-		else
-			iprintf(" \n");
-	}
-
-	//cursor
-	iprintf("\x1b[%d;0H>", 2 + m->cursor);
-
-	//scroll arrows
-	if (m->page > 0)
-		iprintf("\x1b[2;31H^");
-
-	if (m->nextPage)
-		iprintf("\x1b[21;31Hv");
-}
-
-static void _moveCursor(Menu* m, int dir)
-{
-	if (m->changePage != 0)
-		return;
-
-	m->cursor += sign(dir);
-
-	if (m->cursor < 0)
-	{
-		if (m->page <= 0)
-			m->cursor = 0;
-		else
-		{
-			m->changePage = -1;
-			m->cursor = ITEMS_PER_PAGE - 1;
-		}
-	}
-
-	else if (m->cursor > m->itemCount-1)
-	{
-		if (m->nextPage && m->cursor >= ITEMS_PER_PAGE)
-		{
-			m->changePage = 1;
-			m->cursor = 0;
-		}
-		else
-		{
-			m->cursor = m->itemCount-1;
-		}
-	}
-}
-
-bool moveCursor(Menu* m)
-{
-	if (!m) return false;
-
-	m->changePage = 0;
-	int lastCursor = m->cursor;
-
-	u32 down = keysDownRepeat();
-
-	if (down & KEY_DOWN)
-		_moveCursor(m, 1);
-
-	else if (down & KEY_UP)
-		_moveCursor(m, -1);
-
-	if (down & KEY_RIGHT)
-	{
-		repeat(10)
-			_moveCursor(m, 1);
-	}
-
-	else if (down & KEY_LEFT)
-	{
-		repeat(10)
-			_moveCursor(m, -1);
-	}
-
-	return !(lastCursor == m->cursor);
+#include "menu.h"
+#include "main.h"
+
+#define sign(X) ( ((X) > 0) - ((X) < 0) )
+#define repeat(X) for (int _I_ = 0; _I_ < (X); _I_++)
+
+Menu* newMenu()
+{
+	Menu* m = (Menu*)malloc(sizeof(Menu));
+
+	m->cursor = 0;
+	m->page = 0;
+	m->itemCount = 0;
+	m->nextPage = false;
+	m->changePage = 0;
+	m->header[0] = '\0';
+
+	for (int i = 0; i < ITEMS_PER_PAGE; i++)
+	{
+		m->items[i].directory = false;
+		m->items[i].label = NULL;
+		m->items[i].value = NULL;
+	}
+
+	return m;
+}
+
+void freeMenu(Menu* m)
+{
+	if (!m) return;
+
+	clearMenu(m);
+
+	free(m);
+	m = NULL;
+}
+
+void addMenuItem(Menu* m, char const* label, char const* value, bool enabled, bool directory)
+{
+	if (!m) return;
+
+	int i = m->itemCount;
+	if (i >= ITEMS_PER_PAGE) return;
+
+	m->items[i].directory = directory;
+	m->items[i].enabled = enabled;
+
+	if (label)
+	{
+		m->items[i].label = (char*)malloc(32);
+		sprintf(m->items[i].label, "%.31s", label);
+	}
+
+	if (value)
+	{
+		m->items[i].value = (char*)malloc(strlen(value)+1);
+		sprintf(m->items[i].value, "%s", value);
+	}
+
+	m->itemCount += 1;
+}
+
+static int alphabeticalCompare(const void* a, const void* b)
+{
+	const Item* itemA = (const Item*)a;
+	const Item* itemB = (const Item*)b;
+
+	if (itemA->directory && !itemB->directory)
+		return -1;
+	else if (!itemA->directory && itemB->directory)
+		return 1;
+	else
+		return strcasecmp(itemA->label, itemB->label);
+}
+
+void sortMenuItems(Menu* m)
+{
+	qsort(m->items, m->itemCount, sizeof(Item), alphabeticalCompare);
+}
+
+void setMenuHeader(Menu* m, const char* str)
+{
+	if (!m) return;
+
+	if (!str)
+	{
+		m->header[0] = '\0';
+		return;
+	}
+
+	const char* strPtr = str;
+
+	if (strlen(strPtr) > 30)
+		strPtr = str + (strlen(strPtr) - 30);
+
+	sprintf(m->header, "%.30s", strPtr);
+}
+
+void resetMenu(Menu* m)
+{
+	m->cursor = 0;
+	m->page = 0;
+	m->changePage = 0;
+	m->nextPage = 0;
+}
+
+void clearMenu(Menu* m)
+{
+	if (!m) return;
+
+	for (int i = 0; i < ITEMS_PER_PAGE; i++)
+	{
+		if (m->items[i].label)
+		{
+			free(m->items[i].label);
+			m->items[i].label = NULL;
+		}
+
+		if (m->items[i].value)
+		{
+			free(m->items[i].value);
+			m->items[i].value = NULL;
+		}
+	}
+
+	m->itemCount = 0;
+}
+
+void printMenu(Menu* m)
+{
+	clearScreen(&bottomScreen);
+
+	if (!m) return;
+
+	//header
+	iprintf("\x1B[42m");	//green
+	iprintf("%.30s\n\n", m->header);
+	iprintf("\x1B[47m");	//white
+
+	if (m->itemCount <= 0)
+	{
+		iprintf("Back - [B]\n");
+		return;
+	}
+
+	//items
+	for (int i = 0; i < m->itemCount; i++)
+	{
+		if (m->items[i].label)
+		{
+			if(!m->items[i].enabled)
+				iprintf("\x1B[37m");	//gray
+
+			if (m->items[i].directory)
+				iprintf(" [%.26s]\n", m->items[i].label);
+			else
+				iprintf(" %.28s\n", m->items[i].label);
+
+			if(!m->items[i].enabled)
+				iprintf("\x1B[47m");	//white
+		}
+		else
+			iprintf(" \n");
+	}
+
+	//cursor
+	iprintf("\x1b[%d;0H>", 2 + m->cursor);
+
+	//scroll arrows
+	if (m->page > 0)
+		iprintf("\x1b[2;31H^");
+
+	if (m->nextPage)
+		iprintf("\x1b[21;31Hv");
+}
+
+static void _moveCursor(Menu* m, int dir)
+{
+	if (m->changePage != 0)
+		return;
+
+	m->cursor += sign(dir);
+
+	if (m->cursor < 0)
+	{
+		if (m->page <= 0)
+			m->cursor = 0;
+		else
+		{
+			m->changePage = -1;
+			m->cursor = ITEMS_PER_PAGE - 1;
+		}
+	}
+
+	else if (m->cursor > m->itemCount-1)
+	{
+		if (m->nextPage && m->cursor >= ITEMS_PER_PAGE)
+		{
+			m->changePage = 1;
+			m->cursor = 0;
+		}
+		else
+		{
+			m->cursor = m->itemCount-1;
+		}
+	}
+}
+
+bool moveCursor(Menu* m)
+{
+	if (!m) return false;
+
+	m->changePage = 0;
+	int lastCursor = m->cursor;
+
+	u32 down = keysDownRepeat();
+
+	if (down & KEY_DOWN)
+		_moveCursor(m, 1);
+
+	else if (down & KEY_UP)
+		_moveCursor(m, -1);
+
+	if (down & KEY_RIGHT)
+	{
+		repeat(10)
+			_moveCursor(m, 1);
+	}
+
+	else if (down & KEY_LEFT)
+	{
+		repeat(10)
+			_moveCursor(m, -1);
+	}
+
+	return !(lastCursor == m->cursor);
 }
\ No newline at end of file
diff --git a/arm9/src/menu.h b/arm9/src/menu.h
index f8c3e41..9f4f806 100644
--- a/arm9/src/menu.h
+++ b/arm9/src/menu.h
@@ -1,46 +1,46 @@
-#ifndef MENU_H
-#define MENU_H
-
-#include <nds/ndstypes.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define ITEMS_PER_PAGE 20
-
-typedef struct {
-	bool directory;
-	bool enabled;
-	char* label;
-	char* value;
-} Item;
-
-typedef struct {
-	int cursor;
-	int page;
-	int itemCount;
-	bool nextPage;
-	int changePage;
-	char header[32];
-	Item items[ITEMS_PER_PAGE];
-} Menu;
-
-Menu* newMenu();
-void freeMenu(Menu* m);
-
-void addMenuItem(Menu* m, char const* label, char const* value, bool enabled, bool directory);
-void sortMenuItems(Menu* m);
-void setMenuHeader(Menu* m, const char* str);
-
-void resetMenu(Menu* m);
-void clearMenu(Menu* m);
-void printMenu(Menu* m);
-
-bool moveCursor(Menu* m);
-
-#ifdef __cplusplus
-}
-#endif
-
+#ifndef MENU_H
+#define MENU_H
+
+#include <nds/ndstypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ITEMS_PER_PAGE 20
+
+typedef struct {
+	bool directory;
+	bool enabled;
+	char* label;
+	char* value;
+} Item;
+
+typedef struct {
+	int cursor;
+	int page;
+	int itemCount;
+	bool nextPage;
+	int changePage;
+	char header[32];
+	Item items[ITEMS_PER_PAGE];
+} Menu;
+
+Menu* newMenu();
+void freeMenu(Menu* m);
+
+void addMenuItem(Menu* m, char const* label, char const* value, bool enabled, bool directory);
+void sortMenuItems(Menu* m);
+void setMenuHeader(Menu* m, const char* str);
+
+void resetMenu(Menu* m);
+void clearMenu(Menu* m);
+void printMenu(Menu* m);
+
+bool moveCursor(Menu* m);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
\ No newline at end of file
diff --git a/arm9/src/message.c b/arm9/src/message.c
index 830a1c5..6a019de 100644
--- a/arm9/src/message.c
+++ b/arm9/src/message.c
@@ -1,161 +1,161 @@
-#include "message.h"
-#include "main.h"
-
-void keyWait(u32 key)
-{
-	while (!programEnd)
-	{
-		swiWaitForVBlank();
-		scanKeys();
-
-		if (keysDown() & key)
-			break;
-	}
-}
-
-bool choiceBox(const char* message)
-{
-	const int choiceRow = 10;
-	int cursor = 0;
-
-	clearScreen(&bottomScreen);
-
-	iprintf("\x1B[33m");	//yellow
-	iprintf("%s\n", message);
-	iprintf("\x1B[47m");	//white
-	iprintf("\x1b[%d;0H\tYes\n\tNo\n", choiceRow);
-
-	while (!programEnd)
-	{
-		swiWaitForVBlank();
-		scanKeys();
-
-		//Clear cursor
-		iprintf("\x1b[%d;0H ", choiceRow + cursor);
-
-		if (keysDown() & (KEY_UP | KEY_DOWN))
-			cursor = !cursor;
-
-		//Print cursor
-		iprintf("\x1b[%d;0H>", choiceRow + cursor);
-
-		if (keysDown() & (KEY_A | KEY_START))
-			break;
-
-		if (keysDown() & KEY_B)
-		{
-			cursor = 1;
-			break;
-		}
-	}
-
-	scanKeys();
-	return (cursor == 0)? YES: NO;
-}
-
-bool choicePrint(const char* message)
-{
-	bool choice = NO;
-
-	iprintf("\x1B[33m");	//yellow
-	iprintf("\n%s\n", message);
-	iprintf("\x1B[47m");	//white
-	iprintf("Yes - [A]\nNo  - [B]\n");
-
-	while (!programEnd)
-	{
-		swiWaitForVBlank();
-		scanKeys();
-
-		if (keysDown() & KEY_A)
-		{
-			choice = YES;
-			break;
-		}
-
-		else if (keysDown() & KEY_B)
-		{
-			choice = NO;
-			break;
-		}
-	}
-
-	scanKeys();
-	return choice;
-}
-
-const static u16 keys[] = {KEY_UP, KEY_DOWN, KEY_RIGHT, KEY_LEFT, KEY_A, KEY_B, KEY_X, KEY_Y};
-const static char *keysLabels[] = {"\x18", "\x19", "\x1A", "\x1B", "<A>", "<B>", "<X>", "<Y>"};
-
-bool randomConfirmBox(const char* message)
-{
-	const int choiceRow = 10;
-	int sequencePosition = 0;
-
-	u8 sequence[8];
-	for (int i = 0; i < sizeof(sequence); i++)
-	{
-		sequence[i] = rand() % (sizeof(keys) / sizeof(keys[0]));
-	}
-
-	clearScreen(&bottomScreen);
-
-	iprintf("\x1B[43m");	//yellow
-	iprintf("%s\n", message);
-	iprintf("\x1B[47m");	//white
-	iprintf("\n<START> cancel\n");
-
-	while (!programEnd && sequencePosition < sizeof(sequence))
-	{
-		swiWaitForVBlank();
-		scanKeys();
-
-		//Print sequence
-		iprintf("\x1b[%d;0H", choiceRow);
-		for (int i = 0; i < sizeof(sequence); i++)
-		{
-			iprintf("\x1B[%0om", i < sequencePosition ? 032 : 047);
-			iprintf("%s ", keysLabels[sequence[i]]);
-		}
-
-		if (keysDown() & (KEY_UP | KEY_DOWN | KEY_RIGHT | KEY_LEFT | KEY_A | KEY_B | KEY_X | KEY_Y))
-		{
-			if (keysDown() & keys[sequence[sequencePosition]])
-				sequencePosition++;
-			else
-				sequencePosition = 0;
-		}
-
-		if (keysDown() & KEY_START)
-		{
-			sequencePosition = 0;
-			break;
-		}
-	}
-
-	scanKeys();
-	return sequencePosition == sizeof(sequence);
-}
-
-void messageBox(const char* message)
-{
-	clearScreen(&bottomScreen);
-	messagePrint(message);
-}
-
-void messagePrint(const char* message)
-{
-	iprintf("%s\n", message);
-	iprintf("\nOkay - [A]\n");
-
-	while (!programEnd)
-	{
-		swiWaitForVBlank();
-		scanKeys();
-
-		if (keysDown() & (KEY_A | KEY_B | KEY_START))
-			break;
-	}
-
-	scanKeys();
+#include "message.h"
+#include "main.h"
+
+void keyWait(u32 key)
+{
+	while (!programEnd)
+	{
+		swiWaitForVBlank();
+		scanKeys();
+
+		if (keysDown() & key)
+			break;
+	}
+}
+
+bool choiceBox(const char* message)
+{
+	const int choiceRow = 10;
+	int cursor = 0;
+
+	clearScreen(&bottomScreen);
+
+	iprintf("\x1B[33m");	//yellow
+	iprintf("%s\n", message);
+	iprintf("\x1B[47m");	//white
+	iprintf("\x1b[%d;0H\tYes\n\tNo\n", choiceRow);
+
+	while (!programEnd)
+	{
+		swiWaitForVBlank();
+		scanKeys();
+
+		//Clear cursor
+		iprintf("\x1b[%d;0H ", choiceRow + cursor);
+
+		if (keysDown() & (KEY_UP | KEY_DOWN))
+			cursor = !cursor;
+
+		//Print cursor
+		iprintf("\x1b[%d;0H>", choiceRow + cursor);
+
+		if (keysDown() & (KEY_A | KEY_START))
+			break;
+
+		if (keysDown() & KEY_B)
+		{
+			cursor = 1;
+			break;
+		}
+	}
+
+	scanKeys();
+	return (cursor == 0)? YES: NO;
+}
+
+bool choicePrint(const char* message)
+{
+	bool choice = NO;
+
+	iprintf("\x1B[33m");	//yellow
+	iprintf("\n%s\n", message);
+	iprintf("\x1B[47m");	//white
+	iprintf("Yes - [A]\nNo  - [B]\n");
+
+	while (!programEnd)
+	{
+		swiWaitForVBlank();
+		scanKeys();
+
+		if (keysDown() & KEY_A)
+		{
+			choice = YES;
+			break;
+		}
+
+		else if (keysDown() & KEY_B)
+		{
+			choice = NO;
+			break;
+		}
+	}
+
+	scanKeys();
+	return choice;
+}
+
+const static u16 keys[] = {KEY_UP, KEY_DOWN, KEY_RIGHT, KEY_LEFT, KEY_A, KEY_B, KEY_X, KEY_Y};
+const static char *keysLabels[] = {"\x18", "\x19", "\x1A", "\x1B", "<A>", "<B>", "<X>", "<Y>"};
+
+bool randomConfirmBox(const char* message)
+{
+	const int choiceRow = 10;
+	int sequencePosition = 0;
+
+	u8 sequence[8];
+	for (int i = 0; i < sizeof(sequence); i++)
+	{
+		sequence[i] = rand() % (sizeof(keys) / sizeof(keys[0]));
+	}
+
+	clearScreen(&bottomScreen);
+
+	iprintf("\x1B[43m");	//yellow
+	iprintf("%s\n", message);
+	iprintf("\x1B[47m");	//white
+	iprintf("\n<START> cancel\n");
+
+	while (!programEnd && sequencePosition < sizeof(sequence))
+	{
+		swiWaitForVBlank();
+		scanKeys();
+
+		//Print sequence
+		iprintf("\x1b[%d;0H", choiceRow);
+		for (int i = 0; i < sizeof(sequence); i++)
+		{
+			iprintf("\x1B[%0om", i < sequencePosition ? 032 : 047);
+			iprintf("%s ", keysLabels[sequence[i]]);
+		}
+
+		if (keysDown() & (KEY_UP | KEY_DOWN | KEY_RIGHT | KEY_LEFT | KEY_A | KEY_B | KEY_X | KEY_Y))
+		{
+			if (keysDown() & keys[sequence[sequencePosition]])
+				sequencePosition++;
+			else
+				sequencePosition = 0;
+		}
+
+		if (keysDown() & KEY_START)
+		{
+			sequencePosition = 0;
+			break;
+		}
+	}
+
+	scanKeys();
+	return sequencePosition == sizeof(sequence);
+}
+
+void messageBox(const char* message)
+{
+	clearScreen(&bottomScreen);
+	messagePrint(message);
+}
+
+void messagePrint(const char* message)
+{
+	iprintf("%s\n", message);
+	iprintf("\nOkay - [A]\n");
+
+	while (!programEnd)
+	{
+		swiWaitForVBlank();
+		scanKeys();
+
+		if (keysDown() & (KEY_A | KEY_B | KEY_START))
+			break;
+	}
+
+	scanKeys();
 }
\ No newline at end of file
diff --git a/arm9/src/message.h b/arm9/src/message.h
index a873a28..8e3ecba 100644
--- a/arm9/src/message.h
+++ b/arm9/src/message.h
@@ -1,26 +1,26 @@
-#ifndef MESSAGE_H
-#define MESSAGE_H
-
-#include <nds/ndstypes.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-enum {
-	YES = true,
-	NO = false
-};
-
-void keyWait(u32 key);
-bool choiceBox(const char* message);
-bool choicePrint(const char* message);
-bool randomConfirmBox(const char* message);
-void messageBox(const char* message);
-void messagePrint(const char* message);
-
-#ifdef __cplusplus
-}
-#endif
-
+#ifndef MESSAGE_H
+#define MESSAGE_H
+
+#include <nds/ndstypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum {
+	YES = true,
+	NO = false
+};
+
+void keyWait(u32 key);
+bool choiceBox(const char* message);
+bool choicePrint(const char* message);
+bool randomConfirmBox(const char* message);
+void messageBox(const char* message);
+void messagePrint(const char* message);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
\ No newline at end of file
diff --git a/arm9/src/storage.c b/arm9/src/storage.c
index 6f38508..fc56487 100644
--- a/arm9/src/storage.c
+++ b/arm9/src/storage.c
@@ -1,257 +1,257 @@
-#include "storage.h"
-#include "main.h"
-#include "message.h"
-#include <errno.h>
-#include <nds/sha1.h>
-#include <dirent.h>
-
-#define TITLE_LIMIT 39
-
-//progress bar
-static int lastBars = 0;
-
-static void printProgressBar(float percent)
-{
-	if (percent < 0.f) percent = 0.f;
-	if (percent > 1.f) percent = 1.f;
-
-	int bars = (int)(30.f * percent);
-
-	//skip redundant prints
-	if (bars != lastBars)
-	{
-		consoleSelect(&topScreen);
-
-		iprintf("\x1B[42m");	//green
-
-		//Print frame
-		if (lastBars <= 0)
-		{
-			iprintf("\x1b[23;0H[");
-			iprintf("\x1b[23;31H]");
-		}
-
-		//Print bars
-		if (bars > 0)
-		{
-			for (int i = 0; i < bars; i++)
-				iprintf("\x1b[23;%dH|", 1 + i);
-		}
-
-		lastBars = bars;
-
-		iprintf("\x1B[47m");	//white
-	}
-}
-
-static void clearProgressBar()
-{
-	lastBars = 0;
-	consoleSelect(&topScreen);
-	iprintf("\x1b[23;0H                                ");
-}
-
-//files
-bool fileExists(char const* path)
-{
-	return access(path, F_OK) == 0;
-}
-
-int copyFile(char const* src, char const* dst)
-{
-	if (!src) return 1;
-
-	unsigned long long size = getFileSizePath(src);
-	return copyFilePart(src, 0, size, dst);
-}
-
-int copyFilePart(char const* src, u32 offset, u32 size, char const* dst)
-{
-	if (!src) return 1;
-	if (!dst) return 2;
-
-	FILE* fin = fopen(src, "rb");
-
-	if (!fin)
-	{
-		fclose(fin);
-		return 3;
-	}
-	else
-	{
-		if (fileExists(dst))
-			remove(dst);
-
-		FILE* fout = fopen(dst, "wb");
-
-		if (!fout)
-		{
-			fclose(fin);
-			fclose(fout);
-			return 4;
-		}
-		else
-		{
-			fseek(fin, offset, SEEK_SET);
-
-			consoleSelect(&topScreen);
-
-			int bytesRead;
-			unsigned long long totalBytesRead = 0;
-
-			#define BUFF_SIZE 128 //Arbitrary. A value too large freezes the ds.
-			char* buffer = (char*)malloc(BUFF_SIZE);
-
-			while (!programEnd)
-			{
-				unsigned int toRead = BUFF_SIZE;
-				if (size - totalBytesRead < BUFF_SIZE)
-					toRead = size - totalBytesRead;
-
-				bytesRead = fread(buffer, 1, toRead, fin);
-				fwrite(buffer, bytesRead, 1, fout);
-
-				totalBytesRead += bytesRead;
-				printProgressBar( ((float)totalBytesRead / (float)size) );
-
-				if (bytesRead != BUFF_SIZE)
-					break;
-			}
-
-			clearProgressBar();
-			consoleSelect(&bottomScreen);
-
-			free(buffer);
-		}
-
-		fclose(fout);
-	}
-
-	fclose(fin);
-	return 0;
-}
-
-unsigned long long getFileSize(FILE* f)
-{
-	if (!f) return 0;
-
-	fseek(f, 0, SEEK_END);
-	unsigned long long size = ftell(f);
-	fseek(f, 0, SEEK_SET);
-
-	return size;
-}
-
-unsigned long long getFileSizePath(char const* path)
-{
-	if (!path) return 0;
-
-	FILE* f = fopen(path, "rb");
-	unsigned long long size = getFileSize(f);
-	fclose(f);
-
-	return size;
-}
-
-bool toggleFileReadOnly(const char* path, bool readOnly)
-{
-	int fatAttributes = FAT_getAttr(path);
-	if (readOnly)
-		fatAttributes |= ATTR_READONLY;
-	else
-		fatAttributes &= ~ATTR_READONLY;
-	return FAT_setAttr(path, fatAttributes) == 0;
-}
-
-bool writeToFile(FILE* fd, const char* buffer, size_t size)
-{
-	int toWrite = size;
-	size_t written;
-	//write the first 520 bytes as 0, as that's the size of a tmd, but it can be whatever content
-	while (toWrite > 0 && (written = fwrite(buffer, sizeof(char), toWrite, fd)) > 0)
-	{
-		toWrite -= written;
-		buffer += written;
-	}
-	return toWrite == 0;
-}
-
-bool calculateFileSha1(FILE* f, void* digest)
-{
-	fseek(f, 0, SEEK_SET);
-	
-	swiSHA1context_t ctx;
-	ctx.sha_block = 0; //this is weird but it has to be done
-	swiSHA1Init(&ctx);
-	
-	char buffer[512];	
-	size_t n = 0;
-	while ((n = fread(buffer, sizeof(char), sizeof(buffer), f)) > 0)
-	{
-		swiSHA1Update(&ctx, buffer, n);
-	}
-	if (ferror(f) || !feof(f))
-	{
-		return false;
-	}
-	swiSHA1Final(digest, &ctx);
-	return true;
-}
-
-bool calculateFileSha1Path(const char* path, void* digest)
-{
-	FILE* targetFile = fopen(path, "rb");
-	if (!targetFile)
-	{
-		return false;
-	}	
-	bool res = calculateFileSha1(targetFile, digest);
-	fclose(targetFile);
-	return res;
-}
-
-bool safeCreateDir(const char* path)
-{
-	if (((mkdir(path, 0777) == 0) || errno == EEXIST))
-		return true;
-	
-	char errorStr[512];
-	sprintf(errorStr, "\x1B[31mError:\x1B[33m Failed to create directory (%s)\n", path);
-	
-	messageBox(errorStr);
-	return false;
-}
-
-bool removeIfExists(const char* path)
-{
-	return remove(path) == 0 || errno == ENOENT;
-}
-
-// Filesystem type
-typedef enum {FS_UNKNOWN, FS_FAT12, FS_FAT16, FS_FAT32} FS_TYPE;
-//trimmed down PARTITION struct from libfat internals
-typedef struct {
-	const void* disc;
-	void*                cache;
-	// Info about the partition
-	FS_TYPE               filesysType;
-	uint64_t              totalSize;
-	sec_t                 rootDirStart;
-	uint32_t              rootDirCluster;
-	uint32_t              numberOfSectors;
-	sec_t                 dataStart;
-	uint32_t              bytesPerSector;
-	uint32_t              sectorsPerCluster;
-	uint32_t              bytesPerCluster;
-	uint32_t              fsInfoSector;
-} PARTITION;
-
-extern PARTITION* _FAT_partition_getPartitionFromPath(const char* path);
-
-u32 getClusterSizeForPartition(const char* path)
-{
-	PARTITION* p = _FAT_partition_getPartitionFromPath(path);
-	if(!p)
-		return 0;
-	return p->bytesPerCluster;
-}
+#include "storage.h"
+#include "main.h"
+#include "message.h"
+#include <errno.h>
+#include <nds/sha1.h>
+#include <dirent.h>
+
+#define TITLE_LIMIT 39
+
+//progress bar
+static int lastBars = 0;
+
+static void printProgressBar(float percent)
+{
+	if (percent < 0.f) percent = 0.f;
+	if (percent > 1.f) percent = 1.f;
+
+	int bars = (int)(30.f * percent);
+
+	//skip redundant prints
+	if (bars != lastBars)
+	{
+		consoleSelect(&topScreen);
+
+		iprintf("\x1B[42m");	//green
+
+		//Print frame
+		if (lastBars <= 0)
+		{
+			iprintf("\x1b[23;0H[");
+			iprintf("\x1b[23;31H]");
+		}
+
+		//Print bars
+		if (bars > 0)
+		{
+			for (int i = 0; i < bars; i++)
+				iprintf("\x1b[23;%dH|", 1 + i);
+		}
+
+		lastBars = bars;
+
+		iprintf("\x1B[47m");	//white
+	}
+}
+
+static void clearProgressBar()
+{
+	lastBars = 0;
+	consoleSelect(&topScreen);
+	iprintf("\x1b[23;0H                                ");
+}
+
+//files
+bool fileExists(char const* path)
+{
+	return access(path, F_OK) == 0;
+}
+
+int copyFile(char const* src, char const* dst)
+{
+	if (!src) return 1;
+
+	unsigned long long size = getFileSizePath(src);
+	return copyFilePart(src, 0, size, dst);
+}
+
+int copyFilePart(char const* src, u32 offset, u32 size, char const* dst)
+{
+	if (!src) return 1;
+	if (!dst) return 2;
+
+	FILE* fin = fopen(src, "rb");
+
+	if (!fin)
+	{
+		fclose(fin);
+		return 3;
+	}
+	else
+	{
+		if (fileExists(dst))
+			remove(dst);
+
+		FILE* fout = fopen(dst, "wb");
+
+		if (!fout)
+		{
+			fclose(fin);
+			fclose(fout);
+			return 4;
+		}
+		else
+		{
+			fseek(fin, offset, SEEK_SET);
+
+			consoleSelect(&topScreen);
+
+			int bytesRead;
+			unsigned long long totalBytesRead = 0;
+
+			#define BUFF_SIZE 128 //Arbitrary. A value too large freezes the ds.
+			char* buffer = (char*)malloc(BUFF_SIZE);
+
+			while (!programEnd)
+			{
+				unsigned int toRead = BUFF_SIZE;
+				if (size - totalBytesRead < BUFF_SIZE)
+					toRead = size - totalBytesRead;
+
+				bytesRead = fread(buffer, 1, toRead, fin);
+				fwrite(buffer, bytesRead, 1, fout);
+
+				totalBytesRead += bytesRead;
+				printProgressBar( ((float)totalBytesRead / (float)size) );
+
+				if (bytesRead != BUFF_SIZE)
+					break;
+			}
+
+			clearProgressBar();
+			consoleSelect(&bottomScreen);
+
+			free(buffer);
+		}
+
+		fclose(fout);
+	}
+
+	fclose(fin);
+	return 0;
+}
+
+unsigned long long getFileSize(FILE* f)
+{
+	if (!f) return 0;
+
+	fseek(f, 0, SEEK_END);
+	unsigned long long size = ftell(f);
+	fseek(f, 0, SEEK_SET);
+
+	return size;
+}
+
+unsigned long long getFileSizePath(char const* path)
+{
+	if (!path) return 0;
+
+	FILE* f = fopen(path, "rb");
+	unsigned long long size = getFileSize(f);
+	fclose(f);
+
+	return size;
+}
+
+bool toggleFileReadOnly(const char* path, bool readOnly)
+{
+	int fatAttributes = FAT_getAttr(path);
+	if (readOnly)
+		fatAttributes |= ATTR_READONLY;
+	else
+		fatAttributes &= ~ATTR_READONLY;
+	return FAT_setAttr(path, fatAttributes) == 0;
+}
+
+bool writeToFile(FILE* fd, const char* buffer, size_t size)
+{
+	int toWrite = size;
+	size_t written;
+	//write the first 520 bytes as 0, as that's the size of a tmd, but it can be whatever content
+	while (toWrite > 0 && (written = fwrite(buffer, sizeof(char), toWrite, fd)) > 0)
+	{
+		toWrite -= written;
+		buffer += written;
+	}
+	return toWrite == 0;
+}
+
+bool calculateFileSha1(FILE* f, void* digest)
+{
+	fseek(f, 0, SEEK_SET);
+	
+	swiSHA1context_t ctx;
+	ctx.sha_block = 0; //this is weird but it has to be done
+	swiSHA1Init(&ctx);
+	
+	char buffer[512];	
+	size_t n = 0;
+	while ((n = fread(buffer, sizeof(char), sizeof(buffer), f)) > 0)
+	{
+		swiSHA1Update(&ctx, buffer, n);
+	}
+	if (ferror(f) || !feof(f))
+	{
+		return false;
+	}
+	swiSHA1Final(digest, &ctx);
+	return true;
+}
+
+bool calculateFileSha1Path(const char* path, void* digest)
+{
+	FILE* targetFile = fopen(path, "rb");
+	if (!targetFile)
+	{
+		return false;
+	}	
+	bool res = calculateFileSha1(targetFile, digest);
+	fclose(targetFile);
+	return res;
+}
+
+bool safeCreateDir(const char* path)
+{
+	if (((mkdir(path, 0777) == 0) || errno == EEXIST))
+		return true;
+	
+	char errorStr[512];
+	sprintf(errorStr, "\x1B[31mError:\x1B[33m Failed to create directory (%s)\n", path);
+	
+	messageBox(errorStr);
+	return false;
+}
+
+bool removeIfExists(const char* path)
+{
+	return remove(path) == 0 || errno == ENOENT;
+}
+
+// Filesystem type
+typedef enum {FS_UNKNOWN, FS_FAT12, FS_FAT16, FS_FAT32} FS_TYPE;
+//trimmed down PARTITION struct from libfat internals
+typedef struct {
+	const void* disc;
+	void*                cache;
+	// Info about the partition
+	FS_TYPE               filesysType;
+	uint64_t              totalSize;
+	sec_t                 rootDirStart;
+	uint32_t              rootDirCluster;
+	uint32_t              numberOfSectors;
+	sec_t                 dataStart;
+	uint32_t              bytesPerSector;
+	uint32_t              sectorsPerCluster;
+	uint32_t              bytesPerCluster;
+	uint32_t              fsInfoSector;
+} PARTITION;
+
+extern PARTITION* _FAT_partition_getPartitionFromPath(const char* path);
+
+u32 getClusterSizeForPartition(const char* path)
+{
+	PARTITION* p = _FAT_partition_getPartitionFromPath(path);
+	if(!p)
+		return 0;
+	return p->bytesPerCluster;
+}
diff --git a/arm9/src/storage.h b/arm9/src/storage.h
index d166460..5766511 100644
--- a/arm9/src/storage.h
+++ b/arm9/src/storage.h
@@ -1,34 +1,34 @@
-#ifndef STORAGE_H
-#define STORAGE_H
-
-#include <nds/ndstypes.h>
-#include <stdio.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-//Files
-bool fileExists(char const* path);
-int copyFile(char const* src, char const* dst);
-int copyFilePart(char const* src, u32 offset, u32 size, char const* dst);
-unsigned long long getFileSize(FILE* f);
-unsigned long long getFileSizePath(char const* path);
-bool toggleFileReadOnly(const char* path, bool readOnly);
-bool writeToFile(FILE* fd, const char* buffer, size_t size);
-bool calculateFileSha1(FILE* f, void* digest);
-bool calculateFileSha1Path(const char* path, void* digest);
-
-//Directories
-bool safeCreateDir(const char* path);
-
-//Files and directories
-bool removeIfExists(const char* path);
-
-u32 getClusterSizeForPartition(const char* path);
-
-#ifdef __cplusplus
-}
-#endif
-
+#ifndef STORAGE_H
+#define STORAGE_H
+
+#include <nds/ndstypes.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//Files
+bool fileExists(char const* path);
+int copyFile(char const* src, char const* dst);
+int copyFilePart(char const* src, u32 offset, u32 size, char const* dst);
+unsigned long long getFileSize(FILE* f);
+unsigned long long getFileSizePath(char const* path);
+bool toggleFileReadOnly(const char* path, bool readOnly);
+bool writeToFile(FILE* fd, const char* buffer, size_t size);
+bool calculateFileSha1(FILE* f, void* digest);
+bool calculateFileSha1Path(const char* path, void* digest);
+
+//Directories
+bool safeCreateDir(const char* path);
+
+//Files and directories
+bool removeIfExists(const char* path);
+
+u32 getClusterSizeForPartition(const char* path);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
\ No newline at end of file