/*---------------------------------------------------------------------------*
  Project:  TwlSDK - tests - tmpjumpTest
  File:     main.c

  Copyright 2008 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 "common.h"
#include "screen.h"

/*---------------------------------------------------------------------------*
    定数 定義
 *---------------------------------------------------------------------------*/
#define DMA_NO_FS	1

/*---------------------------------------------------------------------------*
    変数 定義
 *---------------------------------------------------------------------------*/
// キー入力
static KeyInfo  gKey;

// tmp へコピーする srl
static u8 gSrlNumber = 0;

// 各 srl の TitleID
static u64 gRomTitleIDList[3] = 
{
	0x0003000434333361,		// NTR		GameCode 433A
	0x0003000434333461,		// TWL-HYB	GameCode 434A
	0x0003000434333561		// TWL-LTD	GameCode 435A
};

// 各 srl の場所
static const char gRomPath[3][32] = 
{
	"rom:/TestApp.srl", "rom:/TestApp_HYBRID.srl", "rom:/TestApp_LIMITED.srl"
};

/*---------------------------------------------------------------------------*
   Prototype
 *---------------------------------------------------------------------------*/
static void DrawMainScene(void);
void VBlankIntr(void);

void TwlMain(void)
{
	InitCommon();
	InitScreen();
	
	FS_Init(DMA_NO_FS);
	
	GX_DispOn();
	GXS_DispOn();
	
	ClearScreen();
	
	// 一度空読み
	ReadKey(&gKey);
	
	while(TRUE)
	{
		ReadKey(&gKey);
		
		if (gKey.trg & PAD_BUTTON_A)
		{
			BOOL success = TRUE;
			FSFile src, dest;
			void *buf;
			s32 len = 0;
			
			// srl を NAND 上の OS_TMP_APP_PATH へコピー
			FS_DeleteFile(OS_TMP_APP_PATH);
			FS_CreateFile(OS_TMP_APP_PATH, FS_PERMIT_R | FS_PERMIT_W);
			FS_InitFile( &src );
			FS_InitFile( &dest );
			if ( !FS_OpenFileEx( &src, gRomPath[gSrlNumber], FS_FILEMODE_R ) ) success = FALSE;
			len = (s32)FS_GetFileLength( &src );
			
			buf = OS_AllocFromMain((u32)len);
			if (buf == NULL)
			{
				success = FALSE;
				break;
			}
			
			if ( -1 == FS_ReadFile( &src, buf, len ) )
			{
				success = FALSE;
				break;
			}
			
			if ( !FS_CloseFile( &src ) ) success = FALSE;
			
			if ( !FS_OpenFileEx( &dest, OS_TMP_APP_PATH, FS_FILEMODE_W ) ) success = FALSE;
			if ( -1 == FS_WriteFile( &dest, buf, len ) ) success = FALSE;
			if ( !FS_CloseFile( &dest ) ) success = FALSE;
			
			if ( !success ) break;
			
			// アプリジャンプ
			OS_DoApplicationJump( gRomTitleIDList[gSrlNumber], OS_APP_JUMP_TMP );
			break;
		}
		
		if (gKey.trg & PAD_BUTTON_B)
		{
			// TMP ジャンプを実行する
//			OS_DoApplicationJump( gRomTitleIDList[gSrlNumber], OS_APP_JUMP_TMP );
			// 失敗時にはメッセージを表示（成功時は以降が実行されることはない）
//			OS_TPrintf("TMP jump failed.\n");
		}
		
		// 方向キー上下で、OS_TMP_APP_PATH へコピーする srl を選択
		if (gKey.trg & PAD_KEY_DOWN)
		{
			gSrlNumber++;
			if (gSrlNumber > 2)
				gSrlNumber = 0;
		}
		else if (gKey.trg & PAD_KEY_UP)
		{
			if (gSrlNumber == 0)
				gSrlNumber = 2;
			else
				gSrlNumber--;
		}
		
		ClearScreen();
		DrawMainScene();
		
		OS_WaitVBlankIntr();
	}
	
	OS_WaitVBlankIntr();
	OS_Terminate();
}


static void DrawMainScene(void)
{
	PutMainScreen(1,  1, 0xf2, "Application (Main)");
	PutMainScreen(3, 16, 0xff, "Tmp jump to NITRO   rom");
	PutMainScreen(3, 18, 0xff, "Tmp jump to TWL-HYB rom");
	PutMainScreen(3, 20, 0xff, "Tmp jump to TWL-LTD rom");
	
	// 選択中を示すカーソル描画
	PutMainScreen(1, gSrlNumber * 2 + 16, 0xf4, "*");
}

/*---------------------------------------------------------------------------*
  Name:         VBlankIntr

  Description:  Ｖブランク割込みハンドラ。

  Arguments:    None.

  Returns:      None.
 *---------------------------------------------------------------------------*/
void VBlankIntr(void)
{
    // テキスト表示を更新
    UpdateScreen();

    // IRQ チェックフラグをセット
    OS_SetIrqCheckFlag(OS_IE_V_BLANK);
}