-now no boot.bin needs to be created to launch a gamecube

game (better for the sd card), requires DML r52 or newer 
to work properly
-added new option in [DML] section, "dml_r52+", you
can set it to no if have a older DML version or want
to use the old boot.bin method instead to launch a gc game

source/gc/gc.h

@@ -5,6 +5,42 @@ extern "C"
 
 #ifndef GC_H_
 #define GC_H_
+
+typedef struct DML_CFG
+{
+	u32 Magicbytes;			//0xD1050CF6
+	u32 CfgVersion;			//0x00000001
+	u32 VideoMode;
+	u32 Config;
+	char GamePath[255];
+	char CheatPath[255];
+} DML_CFG;
+
+enum dmlconfig
+{
+	DML_CFG_CHEATS		= (1<<0),
+	DML_CFG_DEBUGGER	= (1<<1),
+	DML_CFG_DEBUGWAIT	= (1<<2),
+	DML_CFG_NMM			= (1<<3),
+	DML_CFG_NMM_DEBUG	= (1<<4),
+	DML_CFG_GAME_PATH	= (1<<5),
+	DML_CFG_CHEAT_PATH	= (1<<6),
+	DML_CFG_ACTIVITY_LED= (1<<7),
+	DML_CFG_PADHOOK		= (1<<8),
+};
+
+enum dmlvideomode
+{
+	DML_VID_DML_AUTO	= (0<<16),
+	DML_VID_FORCE		= (1<<16),
+	DML_VID_NONE		= (2<<16),
+
+	DML_VID_FORCE_PAL50	= (1<<0),
+	DML_VID_FORCE_PAL60	= (1<<1),
+	DML_VID_FORCE_NTSC	= (1<<2),
+	DML_VID_FORCE_PROG	= (1<<3),
+};
+
 void set_video_mode(int i);
 void set_language(u8 lang);
 bool DML_GameIsInstalled(char *discid, const char* partition, const char* dmlgamedir);

source/menu/menu.cpp

@@ -249,6 +249,7 @@ void CMenu::init(void)
 	}
 	else
 		m_show_dml = MIOSisDML();
+	m_new_dml = m_cfg.getBool("DML", "dml_r52+", true);
 	m_DMLgameDir = sfmt("%%s:/%s", m_cfg.getString("DML", "dir_usb_games", "games").c_str());
 
 	m_cfg.getString("NAND", "path", "").c_str();

source/menu/menu.hpp

@@ -170,6 +170,7 @@ private:
 	u32 m_mainLblInit;
 	u32 m_mainLblUser[6];
 	bool m_show_dml;
+	bool m_new_dml;
 	bool m_GameTDBLoaded;
 //Main Config menus
 	u32 m_configLblPage;

source/menu/menu_game.cpp

@@ -632,19 +632,27 @@ void CMenu::_launchGC(dir_discHdr *hdr, bool DML)
 
 	if(DML)
 	{
-		#ifdef DML_THROUGH_MEM /*** Need special DML for this ***/
+		if(m_new_dml)
-		gprintf("Wiiflow DML: Launch game 'sd:/games/%s/game.iso' through memory\n", hdr->path);
+		{
-		*(vu32*)0x800A0000 = 0x4e444d4c;
+			gprintf("Wiiflow DML: Launch game 'sd:/games/%s/game.iso' through memory\n", hdr->path);
-		memcpy((void *)0x800A0004, hdr->path, strlen(hdr->path) + 1);
+			DML_CFG *DMLCfg = (DML_CFG*)MEM2_alloc(sizeof(DML_CFG));
-		DCFlushRange((void *)(0x800A0000), 4);
+			memset(DMLCfg, 0, sizeof(DML_CFG));
-		ICInvalidateRange((void *)(0x800A0000), 4);
+			DMLCfg->Magicbytes = 0xD1050CF6;
-		#else
+			DMLCfg->CfgVersion = 0x00000001;
-		gprintf("Wiiflow DML: Launch game 'sd:/games/%s/game.iso' through boot.bin\n", hdr->path);
+			DMLCfg->VideoMode = DML_VID_NONE;
-		FILE *f;
+			DMLCfg->Config = DML_CFG_GAME_PATH;
-		f = fopen("sd:/games/boot.bin", "wb");
+			snprintf(DMLCfg->GamePath, sizeof(DMLCfg->GamePath), "/games/%s/game.iso", hdr->path);
-		fwrite(hdr->path, 1, strlen(hdr->path) + 1, f);
+			memcpy((void *)0xC0001700, DMLCfg, sizeof(DML_CFG));
-		fclose(f);
+			MEM2_free(DMLCfg);
-		#endif
+		}
+		else
+		{
+			gprintf("Wiiflow DML: Launch game 'sd:/games/%s/game.iso' through boot.bin\n", hdr->path);
+			FILE *f;
+			f = fopen("sd:/games/boot.bin", "wb");
+			fwrite(hdr->path, 1, strlen(hdr->path) + 1, f);
+			fclose(f);
+		}
 
 		DMLvideoMode = min((u32)m_gcfg2.getInt((char *)hdr->hdr.id, "dml_video_mode", 0), ARRAY_SIZE(CMenu::_DMLvideoModes) - 1u);
 		if(DMLvideoMode == 0)
@@ -676,7 +684,7 @@ void CMenu::_launchGC(dir_discHdr *hdr, bool DML)
 		//Tell DML to boot the game from sd card
 		*(vu32*)0x80001800 = 0xB002D105;
 		DCFlushRange((void *)(0x80001800), 4);
-		ICInvalidateRange((void *)(0x80001800), 4);		
+		ICInvalidateRange((void *)(0x80001800), 4);
 	}
 
 	memcpy((char *)0x80000000, (char *)hdr->hdr.id, 6);