fix USB support (patch by Yardape8000)

src/cpu/core_full/ea_lookup.h

@@ -17,8 +17,8 @@
  */
 
 {
-	EAPoint seg_base;
-	Bit16u off;
+	EAPoint seg_base = 0;
+	Bit16u off = 0;
 	switch ((inst.rm_mod<<3)|inst.rm_eai) {
 	case 0x00:
 		off=reg_bx+reg_si;
@@ -145,8 +145,8 @@
 };																	
 	static Bit32u SIBZero=0;
 	static Bit32u * SIBIndex[8]= { &reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&SIBZero,&reg_ebp,&reg_esi,&reg_edi };
-	EAPoint seg_base;
-	Bit32u off;
+	EAPoint seg_base = 0;
+	Bit32u off = 0;
 	switch ((inst.rm_mod<<3)|inst.rm_eai) {
 	case 0x00:
 		off=reg_eax;

src/cpu/core_full/string.h

@@ -20,7 +20,7 @@
 	EAPoint si_base,di_base;
 	Bitu	si_index,di_index;
 	Bitu	add_mask;
-	Bitu	count,count_left;
+	Bitu	count,count_left = 0;
 	Bits	add_index;
 	
 	if (inst.prefix & PREFIX_SEG) si_base=inst.seg.base;

src/cpu/core_normal/string.h

@@ -32,7 +32,7 @@ static void DoString(STRING_OP type) {
 	PhysPt  si_base,di_base;
 	Bitu	si_index,di_index;
 	Bitu	add_mask;
-	Bitu	count,count_left;
+	Bitu	count,count_left = 0;
 	Bits	add_index;
 	
 	si_base=BaseDS;

src/gui/sdlmain.cpp

@@ -1976,8 +1976,9 @@ int main(int argc, char* argv[]) {
 
 	/* Parse configuration files */
 	std::string config_file,config_path;
+
 	Cross::GetPlatformConfigDir(config_path);
-	
+
 	//First parse -userconf
 	if(control->cmdline->FindExist("-userconf",true)){
 		config_file.clear();
@@ -2052,16 +2053,8 @@ int main(int argc, char* argv[]) {
 		MAPPER_Init();
 		if (control->cmdline->FindExist("-startmapper")) MAPPER_RunInternal();
 #ifdef HW_RVL
-		bool cMounted = false;
-
-		// mount the current directory as C, if not loading from apps/dosbox-wii
-		if(strlen(appPath) > 0 && strcmp(appPath, "apps/dosbox-wii") != 0)
-			if(MountDOSBoxDir('C', appPath))
-				cMounted = true;
-		if(cMounted)
-			MountDOSBoxDir('D', "sd:/DOSBox");
-		else
-			MountDOSBoxDir('C', "sd:/DOSBox");
+		Cross::GetPlatformConfigDir(config_path);
+		MountDOSBoxDir('C', config_path.c_str());
 #endif
 		/* Start up main machine */
 		control->StartUp();

src/misc/cross.cpp

@@ -66,7 +66,7 @@ void Cross::GetPlatformConfigDir(std::string& in) {
 	in = "~/Library/Preferences";
 	ResolveHomedir(in);
 #elif defined(HW_RVL)
-	in = "sd:/DOSBox";
+	in = std::string(appDrive) + "/DOSBox";
 #else
 	in = "~/.dosbox";
 	ResolveHomedir(in);
@@ -97,7 +97,7 @@ void Cross::CreatePlatformConfigDir(std::string& in) {
 	ResolveHomedir(in);
 	//Don't create it. Assume it exists
 #elif defined(HW_RVL)
-	in = "sd:/DOSBox";
+	in = std::string(appDrive) + "/DOSBox";
 	CreateDir(in);
 #else
 	in = "~/.dosbox";

src/platform/wii/wiihardware.cpp

@@ -33,7 +33,8 @@ extern void WII_VideoStop();
 void MAPPER_CheckEvent(SDL_Event * event);
 void HomeMenu();
 
-char appPath[1024];
+char appDrive[MAX_APP_DRIVE_LEN];
+char appPath[MAX_APP_PATH_LEN];
 char dosboxCommand[1024] = { 0 };
 static lwp_t keythread = LWP_THREAD_NULL;
 static char shiftkey[130];
@@ -221,17 +222,16 @@ void CreateAppPath(char origpath[])
 	if (loc != NULL)
 		*loc = 0; // strip file name
 
-	int pos = 0;
+	strncpy(appPath, path, MAX_APP_PATH_LEN);
+	appPath[MAX_APP_PATH_LEN - 1] = 0;
+
+	loc = strchr(path,'/');
+	if (loc != NULL)
+		*loc = 0; // strip path
+
+	strncpy(appDrive, path, MAX_APP_DRIVE_LEN);
+	appDrive[MAX_APP_DRIVE_LEN - 1] = 0;
 
-	// replace fat:/ with sd:/
-	if(strncmp(path, "fat:/", 5) == 0)
-	{
-		pos++;
-		path[1] = 's';
-		path[2] = 'd';
-	}
-	strncpy(appPath, &path[pos], MAXPATHLEN);
-	appPath[MAXPATHLEN-1] = 0;
 	free(path);
 }
 

src/platform/wii/wiihardware.h

@@ -7,12 +7,16 @@
 #define WIIHARDWARE_H
 #include <wiiuse/wpad.h>
 
+#define MAX_APP_DRIVE_LEN		16
+#define MAX_APP_PATH_LEN		128
+
 void WiiInit();
 void WiiMenu();
 void CreateAppPath(char origpath[]);
 void WiiFinished();
 
-extern char appPath[1024];
+extern char appDrive[MAX_APP_DRIVE_LEN];
+extern char appPath[MAX_APP_PATH_LEN];
 extern char dosboxCommand[1024];
 
 #endif