diff --git a/build/tests/SubBanner/ARM9/Makefile b/build/tests/SubBanner/ARM9/Makefile
new file mode 100644
index 00000000..587cb9dd
--- /dev/null
+++ b/build/tests/SubBanner/ARM9/Makefile
@@ -0,0 +1,62 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - demos - simpleShoot-1
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Date:: $
+# $Rev$
+# $Author$
+#----------------------------------------------------------------------------
+
+#----------------------------------------------------------------------------
+
+TARGET_PLATFORM			=	TWL
+TWL_ARCHGEN				=	LIMITED
+
+TITLEID_LO				=	SBNR
+
+TARGET_BIN				=	SubBanner.tad
+
+ROM_SPEC				=	main.rsf
+
+MISC_DIR				=	../../misc
+DATA_DIR				=	../../data
+
+SRCS					=	main.c SubBanner.c \
+							$(MISC_DIR)/misc_simple.c \
+							$(DATA_DIR)/data.c
+
+LINCLUDES	=	$(TWLSDK_ROOT)/build/demos/gx/UnitTours/DEMOLib/include \
+				$(MISC_DIR) \
+				$(DATA_DIR)
+
+LLIBRARY_DIRS	+=	$(TWLSDK_ROOT)/build/demos/gx/UnitTours/DEMOLib/lib/$(TWL_BUILDTYPE)
+
+LLIBRARIES				+=	libDEMO$(TWL_LIBSUFFIX).a
+
+MAKEROM_FLAGS			+=	-F -DTITLEID_LO='$(TITLEID_LO)'
+
+include $(TWLSDK_ROOT)/build/buildtools/commondefs
+
+SDK_NMENU_DATADIR				=  $(ROOT)/build/tools/TwlNMenu/data
+INSTALL_TARGETS			=	$(BINDIR)/$(TARGET_BIN)
+INSTALL_DIR				=	$(SDK_NMENU_DATADIR)
+
+#----------------------------------------------------------------------------
+
+do-build : $(TARGETS)
+
+
+include $(TWLSDK_ROOT)/build/buildtools/modulerules
+
+#----------------------------------------------------------------------------
+
+#===== End of Makefile =====
diff --git a/build/tests/SubBanner/ARM9/main.rsf b/build/tests/SubBanner/ARM9/main.rsf
new file mode 100644
index 00000000..b001f5e5
--- /dev/null
+++ b/build/tests/SubBanner/ARM9/main.rsf
@@ -0,0 +1,182 @@
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - include
+# File:     ROM-BB.rsf
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded insructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Date::            $
+# $Rev$
+# $Author$
+#----------------------------------------------------------------------------
+#
+#  TWL ROM SPEC FILE
+#
+
+Arm9
+{
+	Static			"$(MAKEROM_ARM9:r).TWL.FLX.sbin$(COMPSUFFIX9)"
+	OverlayDefs		"$(MAKEROM_ARM9:r)_defs.TWL.FLX.sbin$(COMPSUFFIX9)"
+	OverlayTable	"$(MAKEROM_ARM9:r)_table.TWL.FLX.sbin$(COMPSUFFIX9)"
+	Elf				"$(MAKEROM_ARM9:r).tef"
+}
+
+Arm7
+{
+	Static			"$(MAKEROM_ARM7_BASE:r).TWL.FLX.sbin$(COMPSUFFIX7)"
+	OverlayDefs		"$(MAKEROM_ARM7_BASE:r)_defs.TWL.FLX.sbin$(COMPSUFFIX7)"
+	OverlayTable	"$(MAKEROM_ARM7_BASE:r)_table.TWL.FLX.sbin$(COMPSUFFIX7)"
+	Elf				"$(MAKEROM_ARM7_BASE:r).tef"
+}
+
+Arm9.Ltd
+{
+	Static			"$(MAKEROM_ARM9:r).TWL.LTD.sbin$(COMPSUFFIX9)"
+	OverlayDefs		"$(MAKEROM_ARM9:r)_defs.TWL.LTD.sbin$(COMPSUFFIX9)"
+	OverlayTable	"$(MAKEROM_ARM9:r)_table.TWL.LTD.sbin$(COMPSUFFIX9)"
+}
+
+Arm7.Ltd
+{
+	Static			"$(MAKEROM_ARM7_BASE:r).TWL.LTD.sbin$(COMPSUFFIX7)"
+	OverlayDefs		"$(MAKEROM_ARM7_BASE:r)_defs.TWL.LTD.sbin$(COMPSUFFIX7)"
+	OverlayTable	"$(MAKEROM_ARM7_BASE:r)_table.TWL.LTD.sbin$(COMPSUFFIX7)"
+}
+
+Property
+{
+	###
+	### Settings for FinalROM
+	###
+	#### BEGIN
+	#
+	# TITLE NAME: Your product name within 12bytes
+	#
+	#TitleName		"YourAppName"
+
+	#_GameCode				$(TITLEID_LO)
+
+	#
+	# MAKER CODE: Your company ID# in 2 ascii words
+	#             issued by NINTENDO
+	#
+	#MakerCode		"00"
+
+	#
+	# REMASTER VERSION: Mastering version
+	#
+	#RomVersion		0
+
+	#
+	# ROM SPEED TYPE: [MROM/1TROM/UNDEFINED]
+	#
+	RomSpeedType	$(MAKEROM_ROMSPEED)
+
+	#
+	# ROM SIZE: in bit [64M/128M/256M/512M/1G/2G]
+	#
+	#RomSize		128M
+	#RomSize		256M
+
+	#
+	# ROM PADDING: TRUE if finalrom
+	#
+	#RomFootPadding 	TRUE
+
+	#
+	# ROM HEADER TEMPLATE: Provided to every product by NINTENDO
+	#
+	#RomHeaderTemplate	./etc/rom_header.template.sbin
+
+	#
+	# BANNER FILE: generated from Banner Spec File
+	#
+	BannerFile		../banner/banner.bnr
+
+	###
+	### Setting for TWL
+	###
+
+	#
+	# Digest parameters:
+	#
+	DigestParam		1024 32
+
+	#
+	# WRAM mapping: [MAP_BB_HYB/MAP_BB_LTD/MAP_TS_HYB/MAP_TS_LTD]
+	#  don't have to edit
+	#
+	WramMapping		$(MAKEROM_WRAM_MAPPING)
+
+	#
+	# Codec mode:
+	#  don't have to edit
+	#
+	CodecMode		$(MAKEROM_CODEC_MODE)
+
+	#
+	# Enable TmpJump:
+	#
+	#PermitTmpJump	TRUE
+
+	###
+	#### END
+}
+
+
+AppendProperty
+{
+	#
+	# Publisher : "Nintendo"
+	#  don't have to edit
+	Publisher				Nintendo
+
+	#
+	# Application type : [USER/SYSTEM]
+	#  don't have to edit
+	AppType					User
+
+	#
+	# launch title on the launcher : [TRUE/FALSE]
+	#  don't have to edit
+	Launch					TRUE
+
+	#
+	# Boot allowed Media: [GameCard/NAND]
+	#
+	Media					NAND
+
+	#
+	# GameCode for TitleID : Your GameCode in 4 ascii words
+	#
+	GameCode				$(TITLEID_LO)
+
+	#
+	# Public save data size: [16K/32K/64K/128K/256K/512K/1M/2M/4M/8M]
+	#
+	#PublicSaveDataSize		32K
+
+	#
+	# Private save data size: [16K/32K/64K/128K/256K/512K/1M/2M/4M/8M]
+	#
+	#PrivateSaveDataSize	16K
+
+	#
+	# Enable SubBannerFile
+	SubBannerFile			TRUE
+}
+
+
+RomSpec
+{
+	Offset		0x00000000
+	Segment		ALL
+	HostRoot	../banner
+	Root		/data
+	File		sub_banner.bnr
+}
diff --git a/build/tests/SubBanner/ARM9/src/SubBanner.c b/build/tests/SubBanner/ARM9/src/SubBanner.c
new file mode 100644
index 00000000..698e409f
--- /dev/null
+++ b/build/tests/SubBanner/ARM9/src/SubBanner.c
@@ -0,0 +1,186 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlIPL
+  File:     SubBanner.c
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Date::            $
+  $Rev$
+  $Author$
+ *---------------------------------------------------------------------------*/
+
+#include <twl.h>
+#include <twl/os/common/banner.h>
+#include "misc_simple.h"
+#include "SubBanner.h"
+
+// define data------------------------------------------
+
+#define COPB_MENU_ELEMENT_NUM			3						// メニューの項目数
+
+// extern data------------------------------------------
+
+// function's prototype declaration---------------------
+
+static void MenuScene( void );
+
+// global variable -------------------------------------
+
+// static variable -------------------------------------
+static u16 s_csr = 0;
+static void(*s_pNowProcess)(void);
+
+// const data  -----------------------------------------
+static const char *s_pStrMenu[ COPB_MENU_ELEMENT_NUM ] = 
+{
+	"write sub banner file",
+	"delete sub banner file",
+	"return to launcher",
+};
+
+static MenuPos s_menuPos[] = {
+	{ TRUE,  3,   8 },
+	{ TRUE,  3,   9 },
+	{ TRUE,  3,   10 },
+};
+
+static const MenuParam s_menuParam = {
+	COPB_MENU_ELEMENT_NUM,
+	TXT_COLOR_BLACK,
+	TXT_COLOR_GREEN,
+	TXT_COLOR_RED,
+	&s_menuPos[ 0 ],
+	(const char **)&s_pStrMenu,
+};
+									
+//======================================================
+// サブバナーテストプログラム
+//======================================================
+
+static void DrawMenuScene( void )
+{
+	myDp_Printf( 1, 0, TXT_COLOR_BLUE, MAIN_SCREEN, "SubBanner");
+    // メニュー項目
+	myDp_DrawMenu( s_csr, MAIN_SCREEN, &s_menuParam );
+}
+
+static void MenuInit( void )
+{
+	GX_DispOff();
+ 	GXS_DispOff();
+	FS_Init(3);
+	
+	myDp_Printf( 1, 0, TXT_COLOR_BLUE, MAIN_SCREEN, "SubBanner");
+	
+	s_pNowProcess = MenuScene;
+
+	DrawMenuScene();
+	
+	GX_DispOn();
+	GXS_DispOn();
+}
+
+static void MenuScene(void)
+{
+	LauncherBootFlags tempflag = {TRUE, OS_BOOTTYPE_NAND, TRUE, FALSE, FALSE, FALSE, 0};
+	
+	//--------------------------------------
+	//  キー入力処理
+	//--------------------------------------
+	if( MYPAD_IS_TRIG(PAD_KEY_DOWN) ){									// カーソルの移動
+		if( ++s_csr == COPB_MENU_ELEMENT_NUM ) {
+			s_csr=0;
+		}
+	}
+	if( MYPAD_IS_TRIG(PAD_KEY_UP) ){
+		if( --s_csr & 0x80 ) {
+			s_csr=COPB_MENU_ELEMENT_NUM - 1;
+		}
+	}
+	
+   	DrawMenuScene();
+	
+	if( MYPAD_IS_TRIG(PAD_BUTTON_A) ) {				// メニュー項目への分岐
+		if( s_menuPos[ s_csr ].enable ) {
+			switch( s_csr ) {
+				TWLSubBannerFile subBanner;
+				FSFile file[1];
+				s32 readLen;
+				case 0:
+					//subbanner書き込み
+					FS_InitFile(file);
+					if (FS_OpenFileEx(file, "rom:/data/sub_banner.bnr", FS_FILEMODE_R) )
+					{
+						readLen = FS_ReadFile(file, &subBanner, sizeof(TWLSubBannerFile));
+						FS_CloseFile(file);
+						if( readLen == sizeof(TWLSubBannerFile) )
+						{
+							// 成功
+							if (FS_OpenFileEx(file, "nand:/<banner>", FS_FILEMODE_W) )
+							{
+								if( sizeof(TWLSubBannerFile) == FS_WriteFile(file, &subBanner, sizeof(TWLSubBannerFile)) )
+								{
+									myDp_Printf( 1, 3, TXT_COLOR_RED, MAIN_SCREEN, "write succeed.          ");
+								}else
+								{
+									myDp_Printf( 1, 3, TXT_COLOR_RED, MAIN_SCREEN, "write failed.           ");
+								}
+								FS_CloseFile(file);
+							}else
+							{
+								myDp_Printf( 1, 3, TXT_COLOR_RED, MAIN_SCREEN, "banner file open failed.");
+							}
+						}else
+						{
+							myDp_Printf( 1, 3, TXT_COLOR_RED, MAIN_SCREEN, "read romfile failed.    ");
+						}
+					}else
+					{
+						myDp_Printf( 1, 3, TXT_COLOR_RED, MAIN_SCREEN, "open romfile failed.    ");
+					}
+					break;
+				case 1:
+					//subbanner消去
+					FS_InitFile(file);
+					MI_CpuClear8( &subBanner, sizeof(TWLSubBannerFile) );
+					if (FS_OpenFileEx(file, "nand:/<banner>", FS_FILEMODE_W) )
+					{
+						if( sizeof(TWLSubBannerFile) == FS_WriteFile(file, &subBanner, sizeof(TWLSubBannerFile)) )
+						{
+							myDp_Printf( 1, 3, TXT_COLOR_RED, MAIN_SCREEN, "write succeed.          ");
+						}else
+						{
+							myDp_Printf( 1, 3, TXT_COLOR_RED, MAIN_SCREEN, "write failed.           ");
+						}
+						FS_CloseFile(file);
+					}else
+					{
+						myDp_Printf( 1, 3, TXT_COLOR_RED, MAIN_SCREEN, "banner file open failed.");
+					}
+					break;
+				case 2:
+					OS_SetLauncherParamAndResetHardware( NULL, &tempflag );
+					//再起動
+					break;
+			}
+		}
+	}
+}
+
+// 初期化
+void SubBannerInit( void )
+{
+	MenuInit();
+}
+
+// メインループ
+void SubBannerMain(void)
+{
+	s_pNowProcess();
+}
diff --git a/build/tests/SubBanner/ARM9/src/SubBanner.h b/build/tests/SubBanner/ARM9/src/SubBanner.h
new file mode 100644
index 00000000..0e50922e
--- /dev/null
+++ b/build/tests/SubBanner/ARM9/src/SubBanner.h
@@ -0,0 +1,37 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlIPL
+  File:     SubBanner.h
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Date::            $
+  $Rev$
+  $Author$
+ *---------------------------------------------------------------------------*/
+
+#ifndef	__SUBBANNER_H__
+#define	__SUBBANNER_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#include <twl.h>
+
+// define data----------------------------------------------------------
+
+void SubBannerInit( void );
+void SubBannerMain( void );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // __SUBBANNER_H__
diff --git a/build/tests/SubBanner/ARM9/src/main.c b/build/tests/SubBanner/ARM9/src/main.c
new file mode 100644
index 00000000..5304367e
--- /dev/null
+++ b/build/tests/SubBanner/ARM9/src/main.c
@@ -0,0 +1,68 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlIPL
+  File:     main.c
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Date::            $
+  $Rev$
+  $Author$
+ *---------------------------------------------------------------------------*/
+
+#include <twl.h>
+#include "misc_simple.h"
+#include "SubBanner.h"
+
+// extern data-----------------------------------------------------------------
+
+// define data-----------------------------------------------------------------
+
+// function's prototype-------------------------------------------------------
+static void INTR_VBlank( void );
+
+// global variable-------------------------------------------------------------
+
+// static variable-------------------------------------------------------------
+BOOL g_isValidTSD;
+
+// const data------------------------------------------------------------------
+
+
+// ============================================================================
+// function's description
+// ============================================================================
+void TwlMain(void)
+{
+	myInit();
+
+	SubBannerInit();
+	// メインループ----------------------------
+	while(1){
+		
+		myPreMain();
+	    
+		SubBannerMain();
+		
+		myProMain();
+		
+		OS_WaitIrq(1, OS_IE_V_BLANK);								// Vブランク割り込み待ち
+	}
+}
+
+
+// ============================================================================
+// 割り込み処理
+// ============================================================================
+
+// Vブランク割り込み
+static void INTR_VBlank(void)
+{
+	OS_SetIrqCheckFlag(OS_IE_V_BLANK);								// Vブランク割込チェックのセット
+}
+
diff --git a/build/tests/SubBanner/Makefile b/build/tests/SubBanner/Makefile
new file mode 100644
index 00000000..84be012f
--- /dev/null
+++ b/build/tests/SubBanner/Makefile
@@ -0,0 +1,31 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlIPL
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Date::            $
+# $Rev$
+# $Author$
+#----------------------------------------------------------------------------
+TARGET_PLATFORM	=	TWL
+
+include	$(TWLSDK_ROOT)/build/buildtools/commondefs
+
+#----------------------------------------------------------------------------
+
+SUBDIRS		=	banner ARM9
+
+#----------------------------------------------------------------------------
+
+include	$(TWLSDK_ROOT)/build/buildtools/modulerules
+
+
+#===== End of Makefile =====
diff --git a/build/tests/SubBanner/banner/Makefile b/build/tests/SubBanner/banner/Makefile
new file mode 100644
index 00000000..31eca503
--- /dev/null
+++ b/build/tests/SubBanner/banner/Makefile
@@ -0,0 +1,63 @@
+#! make -f
+#----------------------------------------------------------------------------
+# Project:  TwlIPL
+# File:     Makefile
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Date::            $
+# $Rev$
+# $Author$
+#----------------------------------------------------------------------------
+TARGET_PLATFORM		= TWL
+
+include $(TWLSDK_ROOT)/build/buildtools/commondefs
+MAKEBANNER			= $(TWL_TOOLSDIR)/bin/makebanner.TWL.exe
+
+ICON_DIR			= ./icon
+
+BANNER_ICON			= $(ICON_DIR)/gameIcon.bmp
+BANNER_SPEC			= banner_v3.bsf
+
+SUB_BANNER_ICON			= $(ICON_DIR)/subIcon.bmp
+SUB_BANNER_SPEC			= sub_banner_v3.bsf
+
+
+TARGETS				= banner.bnr
+SUB_TARGETS			= sub_banner.bnr
+INSTALL_DIR			= ./
+INSTALL_TARGETS		= $(TARGETS) $(SUB_TARGETS)
+
+BANNER_ICON_NAME	= $(basename $(BANNER_ICON))
+SUB_BANNER_ICON_NAME = $(basename $(SUB_BANNER_ICON))
+
+LDIRT_CLEAN			= $(TARGETS) $(SUB_TARGETS) \
+					  $(BANNER_ICON_NAME).nbfs \
+					  $(BANNER_ICON_NAME).nbfc \
+					  $(BANNER_ICON_NAME).nbfp \
+					  $(SUB_BANNER_ICON_NAME).nbfs \
+					  $(SUB_BANNER_ICON_NAME).nbfc \
+					  $(SUB_BANNER_ICON_NAME).nbfp \
+					  $(TARGETS:.bnr=.srl)
+
+include $(TWLSDK_ROOT)/build/buildtools/modulerules
+
+#----------------------------------------------------------------------------
+#  build
+#----------------------------------------------------------------------------
+do-build:		$(TARGETS) $(SUB_TARGETS)
+
+$(TARGETS):		$(BANNER_SPEC) $(BANNER_ICON)
+				$(NTEXCONV) -no -bg -bgb -bgnc $(BANNER_ICON) >/dev/null && \
+				$(MAKEBANNER) -d -N $(BANNER_ICON_NAME) $(BANNER_SPEC) $(TARGETS)
+
+$(SUB_TARGETS):	$(SUB_BANNER_SPEC) $(SUB_BANNER_ICON)
+				$(NTEXCONV) -no -bg -bgb -bgnc $(SUB_BANNER_ICON) >/dev/null && \
+				$(MAKEBANNER) -s -d -N $(SUB_BANNER_ICON_NAME) $(SUB_BANNER_SPEC) $(SUB_TARGETS)
+#
diff --git a/build/tests/SubBanner/banner/banner_v3.bsf b/build/tests/SubBanner/banner/banner_v3.bsf
new file mode 100644
index 00000000..4fe34ffb
Binary files /dev/null and b/build/tests/SubBanner/banner/banner_v3.bsf differ
diff --git a/build/tests/SubBanner/banner/icon/gameIcon.bmp b/build/tests/SubBanner/banner/icon/gameIcon.bmp
new file mode 100644
index 00000000..93ef0165
Binary files /dev/null and b/build/tests/SubBanner/banner/icon/gameIcon.bmp differ
diff --git a/build/tests/SubBanner/banner/icon/subIcon.bmp b/build/tests/SubBanner/banner/icon/subIcon.bmp
new file mode 100644
index 00000000..34ff9b8b
Binary files /dev/null and b/build/tests/SubBanner/banner/icon/subIcon.bmp differ
diff --git a/build/tests/SubBanner/banner/sub_banner_v3.bsf b/build/tests/SubBanner/banner/sub_banner_v3.bsf
new file mode 100644
index 00000000..686d9f12
Binary files /dev/null and b/build/tests/SubBanner/banner/sub_banner_v3.bsf differ