File system works, thanks to some code from VBA-Wii. Config file now loads and saves. Restructured so less wii-specific code throughout project.

src/gui/sdlmain.cpp

@@ -33,7 +33,7 @@
 #include <process.h>
 #endif
 #ifdef HW_RVL
-#include <wiiuse/WPAD.h> 
+#include <wiihardware.h>
 #endif
 
 #include "SDL.h"
@@ -1467,6 +1467,9 @@ static void printconfiglocation() {
 //extern void UI_Init(void);
 int main(int argc, char* argv[]) {
 	try {
+#ifdef HW_RVL
+	WiiInit();
+#endif
 		CommandLine com_line(argc,argv);
 		Config myconf(&com_line);
 		control=&myconf;
@@ -1601,9 +1604,7 @@ int main(int argc, char* argv[]) {
 	if(!parsed_anyconfigfile) {
 		//Try to create the userlevel configfile.
 		config_file.clear();
-#ifndef HW_RVL
 		Cross::CreatePlatformConfigDir(config_path);
-#endif
 		Cross::GetPlatformConfigName(config_file);
 		config_path += config_file;
 		if(control->PrintConfig(config_path.c_str())) {
@@ -1665,15 +1666,8 @@ int main(int argc, char* argv[]) {
 	//Force visible mouse to end user. Somehow this sometimes doesn't happen
 	SDL_WM_GrabInput(SDL_GRAB_OFF);
 	SDL_ShowCursor(SDL_ENABLE);
-
 #ifdef HW_RVL
-	printf("Press A to return to homebrew channel.\n");
-	while (1) {
-		WPAD_ScanPads();
-		u16 buttonsDown = WPAD_ButtonsDown(0);
-		if( buttonsDown & WPAD_BUTTON_A ) break;
-		if( buttonsDown & WPAD_BUTTON_HOME ) exit(0);
-  	}
+	WiiFinished();
 #endif
 	SDL_Quit();//Let's hope sdl will quit as well when it catches an exception
 	return 0;

src/misc/cross.cpp

@@ -24,6 +24,10 @@
 #include <string>
 #include <stdlib.h>
 
+#ifdef HW_RVL
+#include "wiihardware.h"
+#endif
+
 #ifdef WIN32
 #ifndef _WIN32_IE
 #define _WIN32_IE 0x0400
@@ -46,6 +50,9 @@ void Cross::GetPlatformConfigDir(std::string& in) {
 #elif defined(MACOSX)
 	in = "~/Library/Preferences";
 	ResolveHomedir(in);
+#elif defined(HW_RVL)
+	in = "sd:/DOSBox";
+	ResolveHomedir(in);
 #else
 	in = "~/.dosbox";
 	ResolveHomedir(in);
@@ -58,6 +65,8 @@ void Cross::GetPlatformConfigName(std::string& in) {
 #define DEFAULT_CONFIG_FILE "dosbox-" VERSION ".conf"
 #elif defined(MACOSX)
 #define DEFAULT_CONFIG_FILE "DOSBox " VERSION " Preferences"
+#elif defined(HW_RVL)
+#define DEFAULT_CONFIG_FILE "dosbox-" VERSION ".conf"
 #else /*linux freebsd*/
 #define DEFAULT_CONFIG_FILE "dosbox-" VERSION ".conf"
 #endif
@@ -75,6 +84,10 @@ void Cross::CreatePlatformConfigDir(std::string& in) {
 	in = "~/Library/Preferences/";
 	ResolveHomedir(in);
 	//Don't create it. Assume it exists
+#elif defined(HW_RVL)
+	in = "sd:/DOSBox";
+	CreateDir(in);
+	//Don't create it. Assume it exists
 #else
 	in = "~/.dosbox";
 	ResolveHomedir(in);

src/platform/wii/wiihardware.cpp

@@ -0,0 +1,151 @@
+#include <gccore.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ogcsys.h>
+#include <sys/dir.h>
+#include <sys/stat.h>
+#include <zlib.h>
+#include <malloc.h>
+#include <sdcard/wiisd_io.h>
+#include <sdcard/gcsd.h>
+#include <ogc/usbstorage.h>
+#include <fat.h>
+#include "wiihardware.h"
+
+char rootdir[10];
+
+enum {
+	METHOD_AUTO,
+	METHOD_SD,
+	METHOD_USB,
+	METHOD_DVD,
+	METHOD_SMB,
+	METHOD_MC_SLOTA,
+	METHOD_MC_SLOTB,
+	METHOD_SD_SLOTA,
+	METHOD_SD_SLOTB
+};
+
+bool unmountRequired[9] = { false, false, false, false, false, false, false, false, false };
+bool isMounted[9] = { false, false, false, false, false, false, false, false, false };
+
+#ifdef HW_RVL
+	const DISC_INTERFACE* sd = &__io_wiisd;
+	const DISC_INTERFACE* usb = &__io_usbstorage;
+#else
+	const DISC_INTERFACE* carda = &__io_gcsda;
+	const DISC_INTERFACE* cardb = &__io_gcsdb;
+#endif
+
+/****************************************************************************
+ * UnmountAllFAT
+ * Unmounts all FAT devices
+ ***************************************************************************/
+void UnmountAllFAT()
+{
+#ifdef HW_RVL
+	fatUnmount("sd:/");
+	fatUnmount("usb:/");
+#else
+	fatUnmount("carda:/");
+	fatUnmount("cardb:/");
+#endif
+}
+
+/****************************************************************************
+ * MountFAT
+ * Checks if the device needs to be (re)mounted
+ * If so, unmounts the device
+ * Attempts to mount the device specified
+ * Sets libfat to use the device by default
+ ***************************************************************************/
+
+bool MountFAT(int method)
+{
+	bool mounted = true; // assume our disc is already mounted
+	char name[10];
+	const DISC_INTERFACE* disc = NULL;
+
+	switch(method)
+	{
+#ifdef HW_RVL
+		case METHOD_SD:
+			sprintf(name, "sd");
+			disc = sd;
+			break;
+		case METHOD_USB:
+			sprintf(name, "usb");
+			disc = usb;
+			break;
+#else
+		case METHOD_SD_SLOTA:
+			sprintf(name, "carda");
+			disc = carda;
+			break;
+
+		case METHOD_SD_SLOTB:
+			sprintf(name, "cardb");
+			disc = cardb;
+			break;
+#endif
+		default:
+			return false; // unknown device
+	}
+
+	sprintf(rootdir, "%s:/", name);
+
+	if(unmountRequired[method])
+	{
+		unmountRequired[method] = false;
+		fatUnmount(rootdir);
+		disc->shutdown();
+		isMounted[method] = false;
+	}
+	if(!isMounted[method])
+	{
+		if(!disc->startup())
+			mounted = false;
+		else if(!fatMountSimple(name, disc))
+			mounted = false;
+	}
+
+	isMounted[method] = mounted;
+	return mounted;
+}
+
+void MountAllFAT()
+{
+#ifdef HW_RVL
+	MountFAT(METHOD_SD);
+	MountFAT(METHOD_USB);
+#else
+	MountFAT(METHOD_SD_SLOTA);
+	MountFAT(METHOD_SD_SLOTB);
+#endif
+}
+
+void WiiInit() {
+	MountAllFAT();
+}
+
+bool WiiMessagePause(const char *s) {
+	if (s) printf(s);
+#ifdef HW_RVL
+	while (1) {
+		WPAD_ScanPads();
+		u16 buttonsDown = WPAD_ButtonsDown(0);
+		if( buttonsDown & WPAD_BUTTON_A ) return false;
+		if( buttonsDown & WPAD_BUTTON_HOME ) return true;
+  	}
+#else
+	return false;
+#endif
+}
+
+void WiiFinished() {
+	UnmountAllFAT();
+#ifdef HW_RVL
+	if (WiiMessagePause("Press A to return to homebrew channel.\n")) exit(0);
+#endif
+}

src/platform/wii/wiihardware.h

@@ -0,0 +1,9 @@
+#ifndef WIIHARDWARE_H
+#define WIIHARDWARE_H
+#include <wiiuse/WPAD.h> 
+
+void WiiInit();
+void WiiFinished();
+bool WiiMessagePause(const char *s);
+
+#endif

src/shell/shell.cpp

@@ -22,7 +22,7 @@
 #include <stdarg.h>
 #include <string.h>
 #ifdef HW_RVL
-#include <wiiuse/WPAD.h> 
+#include <wiihardware.h> 
 #endif
 #include "dosbox.h"
 #include "regs.h"
@@ -635,13 +635,7 @@ void SHELL_Init() {
 	SHELL_ProgramStart(&first_shell);
 
 #ifdef HW_RVL
-	printf("Press A to continue (or Home to exit).\n");
-	while (1) {
-		WPAD_ScanPads();
-		u16 buttonsDown = WPAD_ButtonsDown(0);
-		if( buttonsDown & WPAD_BUTTON_A ) break;
-		if( buttonsDown & WPAD_BUTTON_HOME ) exit(0);
-  	}
+	WiiMessagePause("Press A to continue (or Home to exit).\n");
 #endif
 
 	first_shell->Run();