remove unused files

21 files changed, 0 insertions, 10550 deletions

diff --git a/source/nds/bdf_font.c b/source/nds/bdf_font.c
deleted file mode 100644
index aff3b94..0000000
--- a/source/nds/bdf_font.c
+++ /dev/null
@@ -1,1086 +0,0 @@
-/* bdf_font.c
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-//v1.1
-
-#include "port.h"
-#include <string.h>
-#include "ds2_types.h"
-#include "ds2_malloc.h"
-#include "ds2io.h"
-#include "fs_api.h"
-#include "bdf_font.h"
-#include "gui.h"
-
-
-#define BDF_PICTOCHAT "SYSTEM/Pictochat-16.bdf"
-#define BDF_SONG "SYSTEM/song.bdf"
-#define ODF_PICTOCHAT "SYSTEM/Pictochat-16.odf"
-#define ODF_SONG "SYSTEM/song.odf"
-
-#define HAVE_ODF // Define this if you have generated Pictochat-16.odf [Neb]
-// #define DUMP_ODF // Define this if you want to regenerate Pictochat-16.odf [Neb]
-
-#define BDF_LIB_NUM 2
-#define ODF_VERSION "1.0"
-
-struct bdflibinfo bdflib_info[BDF_LIB_NUM];
-struct bdffont *bdf_font;           //ASCII charactor
-struct bdffont *bdf_nasci;          //non-ASCII charactor
-static u32 font_height;
-static u32 fonts_max_height;
-
-/*-----------------------------------------------------------------------------
-------------------------------------------------------------------------------*/
-static u32 bitmap_code(unsigned char *code, unsigned char *bitmap)
-{
-    unsigned char *map;
-    u8 a, b;
-	u32 len;
-
-    len= 0;
-    map= (unsigned char*)bitmap;
-    while(*map)
-    {
-        // One hex character represents the state of 4 successive pixels
-        if(*map != 0x0A)
-        {
-            if      (*map <= '9') a= *map - '0';
-            else if (*map <= 'F') a= *map - 'A' + 10;
-			else if (*map <= 'f') a= *map - 'a' + 10;
-            map++;
-
-            if      (*map <= '9') b= *map - '0';
-            else if (*map <= 'F') b= *map - 'A' + 10;
-			else if (*map <= 'f') b= *map - 'a' + 10;
-
-            *code++ = (a << 4) | b;
-            len++;
-        }
-        map++;
-    }
-
-    return len;
-}
-
-/*-----------------------------------------------------------------------------
-------------------------------------------------------------------------------*/
-/*
-* example
-*
-* STARTCHAR <arbitrary number or name>
-* ENCODING 8804
-* SWIDTH 840 0
-* DWIDTH 14 0
-* BBX 10 12 2 1
-* BITMAP
-* 00C0
-* 0300
-* 1C00
-* 6000
-* 8000
-* 6000
-* 1C00
-* 0300
-* 00C0
-* 0000
-* 0000
-* FFC0
-* ENDCHAR
-*/
-
-/*-----------------------------------------------------------------------------
-* filename: bdf file's name, including path
-* start: the coding of first font to parse
-* span: number of fonts begin at start to parse
-* *bdflibinfop: font library information
-* method: font index method; 0-absolut sequence; 1-relative sequence; 2-compact;
-*           others reserved
-* return: if error return < 0; else return= char numbers 
-------------------------------------------------------------------------------*/
-static int parse_bdf(char *filename, u32 start, u32 span, struct bdflibinfo *bdflibinfop, u32 method)
-{
-    FILE *fp;
-    char string[256];
-    char map[256];
-    char *pt;
-    unsigned char *bitbuff;
-    int num, x_off, y_off, ret;
-    u32 tmp, i, end, length, index;
-    struct bdffont *bdffontp;
-
-    //initial bdflibinfo
-    bdflibinfop -> width= 0;
-    bdflibinfop -> height= 0;
-    bdflibinfop -> start= 0;
-    bdflibinfop -> span= 0;
-    bdflibinfop -> maplen= 0;
-    bdflibinfop -> mapmem= NULL;
-    bdflibinfop -> fonts= NULL;
-
-    fp= fopen(filename, "r");    //Open bdf font library
-    if(fp == NULL)
-        return -1;
-    
-    ret= 0;
-    //SIZE
-    while(1)
-    {
-        pt= fgets(string, 255, fp);
-        if(pt == NULL)
-        {
-            ret= -2;
-            goto parse_bdf_error;
-        }
-        if(!(strncasecmp(string, "SIZE ", 5)))
-            break;
-    }
-
-    //FONTBOUNDINGBOX
-    pt= fgets(string, 255, fp);
-    pt += 16;
-    bdflibinfop -> width= atoi(pt);
-    pt = 1 + strchr(pt, ' ');
-    bdflibinfop -> height= atoi(pt);
-    pt = 1 + strchr(pt, ' ');
-    x_off= atoi(pt);
-    pt = 1 + strchr(pt, ' ');
-    y_off= atoi(pt);
-
-    //CHARS
-    while(1)
-    {
-        pt= fgets(string, 255, fp);
-        if(pt == NULL)
-        {
-            ret= -3;
-            goto parse_bdf_error;
-        }
-        if(!(strncasecmp(string, "CHARS ", 6)))
-            break;
-    }
-    pt += 6;
-    ret= atoi(pt);
-
-	if (method == 1)
-    	bdflibinfop -> start= start;
-    switch (method) {
-	case 0:
-	default:
-		bdflibinfop -> span= span + start;
-		break;
-	case 1:
-		bdflibinfop -> span= span;
-		break;
-	}
-
-    //construct bdf font information
-    bdffontp= (struct bdffont*)malloc(span * sizeof(struct bdffont));
-    if(bdffontp == NULL)
-    {
-        ret= -4;
-        goto parse_bdf_error;
-    }
-    bdflibinfop -> fonts= bdffontp;
-
-    bitbuff= (unsigned char*)malloc((bdflibinfop -> width * bdflibinfop -> height * span) >> 3);
-    if(bitbuff == NULL)
-    {
-        ret= -5;
-        goto parse_bdf_error;
-    }
-    bdflibinfop -> mapmem= bitbuff;
-
-    tmp= bdflibinfop -> width << 16;
-    for(i= 0; i < span; i++)
-    {
-        bdffontp[i].dwidth= tmp;
-        bdffontp[i].bbx= 0;
-    }
-
-    end= start + span;
-    //STARTCHAR START
-    while(1)
-    {
-        pt= fgets(string, 255, fp);
-        if(pt == NULL)
-        {
-            ret= -6;
-            goto parse_bdf_error;
-        }
-        if(!(strncasecmp(string, "STARTCHAR ", 10)))
-        {
-			break;
-        }
-    }
-
-    i= 0;
-    length= 0;
-    while(1)
-    {
-        //ENCODING
-        while(1)
-        {
-            pt= fgets(string, 255, fp);
-            if(pt == NULL) goto parse_bdf_error;
-            if(!(strncasecmp(string, "ENCODING ", 9))) break;
-        }
-
-        pt= string + 9;
-        index= atoi(pt);
-        if(index < start || index >= end) break;
-
-        if(method == 0) i= index;
-        else if(method == 1) i= index-start;
-        else i++;
-
-        //SWIDTH
-        pt= fgets(string, 255, fp);
-        if(pt == NULL) {ret= -8; goto parse_bdf_error;}
-
-        //DWIDTH
-        pt= fgets(string, 255, fp);
-        if(pt == NULL) {ret= -9; goto parse_bdf_error;}
-
-        pt += 7;
-        num= atoi(pt);
-        tmp= num << 16;
-        pt= 1+ strchr(pt, ' ');
-        num= atoi(pt);
-        tmp |= num & 0xFFFF;
-
-        bdffontp[i].dwidth= tmp;
-
-        //BBX
-        pt= fgets(string, 255, fp);
-        if(pt == NULL) {ret= -10; goto parse_bdf_error;}
-
-        pt += 4;
-        num= atoi(pt);
-        tmp= num & 0xFF;
-
-        pt= 1+ strchr(pt, ' ');        
-        num= atoi(pt);
-        tmp= tmp<<8 | (num & 0xFF);
-
-        pt= 1+ strchr(pt, ' ');
-        num= atoi(pt);
-        num= num - x_off;
-        tmp= tmp<<8 | (num & 0xFF);
-
-        pt= 1+ strchr(pt, ' ');
-        num= atoi(pt);
-        num= num - y_off;
-        tmp= tmp <<8 | (num & 0xFF);
-
-        bdffontp[i].bbx= tmp;
-
-        //BITMAP
-        pt= fgets(string, 255, fp);
-        if(pt == NULL) {ret= -11; goto parse_bdf_error;}
-
-        map[0]= '\0';
-        while(1)
-        {
-            pt= fgets(string, 255, fp);
-            if(pt == NULL) {ret= -12; goto parse_bdf_error;}
-            if(!strncasecmp(pt, "ENDCHAR", 7)) break;
-            strcat(map, pt);
-        }
-
-        tmp = bitmap_code(bitbuff, (unsigned char*)map);
-
-        if(tmp)
-            bdffontp[i].bitmap = bitbuff;
-        else
-            bdffontp[i].bitmap = NULL;
-
-        bitbuff += tmp;
-        length += tmp;
-    }
-
-parse_bdf_error:
-    fclose(fp);
-    if(ret < 0)
-    {
-        if(bdflibinfop -> fonts != NULL)
-            free((void*)bdflibinfop -> fonts);
-        if(bdflibinfop -> mapmem != NULL)
-            free((void*)bdflibinfop -> mapmem);
-        bdflibinfop -> fonts = NULL;
-        bdflibinfop -> mapmem = NULL;
-    }
-    else
-    {
-        bdflibinfop -> maplen = length;
-        bdflibinfop -> mapmem = (unsigned char*)realloc((void*)bdflibinfop -> mapmem, length);
-    }
-
-    return ret;
-}
-
-/*-----------------------------------------------------------------------------
-------------------------------------------------------------------------------*/
-int dump2odf(char *filename, struct bdflibinfo *bdflibinfop)
-{
-    char *pt;
-    char string[256];
-    FILE *fp;
-    u32 mapaddr;
-    u32 fontaddr;
-    u32 num;
-    char buff[1024];
-    u32 i, j;
-
-
-    strcpy(string, filename);
-    pt= strrchr(string, '.');
-    if(!strcasecmp(pt, ".bdf"))
-        strcpy(pt, ".odf");
-    else
-        return -1;
-
-    fp= fopen(string, "wb");
-    if(fp == NULL)
-        return -2;
-
-    pt= buff;
-    strcpy(pt, "ODF");
-    pt += 4;
-    strcpy(pt, ODF_VERSION);
-    pt += 4;
-
-    struct bdflibinfo *bdflibinfo_i;
-
-    memcpy(pt, (char*)bdflibinfop, sizeof(struct bdflibinfo));
-    bdflibinfo_i= (struct bdflibinfo *)pt;
-    bdflibinfo_i -> mapmem= NULL;
-    bdflibinfo_i -> fonts= NULL;
-    pt += sizeof(struct bdflibinfo);
-
-    num= pt-buff;
-    fwrite(buff, num, 1, fp);     //write odf file header
-
-    num= (u32)bdflibinfop -> span;
-    mapaddr= (u32)bdflibinfop -> mapmem;
-    fontaddr= (u32)bdflibinfop -> fonts;
-
-    while(num)
-    {
-        struct bdffont *bdffontp;
-
-        i= 1024/sizeof(struct bdffont);
-        if(num > i) num -= i;
-        else i= num, num= 0;
-        
-        memcpy(buff, (char*)fontaddr, i*sizeof(struct bdffont));
-        fontaddr += i*sizeof(struct bdffont);
-        bdffontp= (struct bdffont*)buff;
-        
-        for(j= 0; j< i; j++)
-            bdffontp[j].bitmap -= mapaddr;
-
-        fwrite(buff, i*sizeof(struct bdffont), 1, fp);
-    }
-    
-    fwrite((char*)mapaddr, bdflibinfop -> maplen, 1, fp);
-
-    fclose(fp);
-    return 0;
-}
-
-/*-----------------------------------------------------------------------------
-------------------------------------------------------------------------------*/
-int init_from_odf(char *filename, struct bdflibinfo *bdflibinfop)
-{
-    FILE *fp;
-    char buff[512];
-    char *pt;
-    u32 len, tmp;
-    u32 span, maplen;
-    struct bdffont *bdffontp;
-
-    //initial bdflibinfo
-    bdflibinfop -> width= 0;
-    bdflibinfop -> height= 0;
-    bdflibinfop -> start= 0;
-    bdflibinfop -> span= 0;
-    bdflibinfop -> maplen= 0;
-    bdflibinfop -> mapmem= NULL;
-    bdflibinfop -> fonts= NULL;
-
-    fp= fopen(filename, "rb");
-    if(fp == NULL)
-        return -1;
-
-    tmp= 8 + sizeof(struct bdflibinfo);
-    len= fread(buff, 1, tmp, fp);
-    if(len < tmp)
-    {
-        fclose(fp);
-        return -2;
-    }
-
-    pt= buff;
-    if(strcmp(pt, "ODF"))
-    {
-        fclose(fp);
-        return -2;
-    }
-
-    pt += 4;
-    if(strcmp(pt, ODF_VERSION))
-    {
-        fclose(fp);
-        return -3;
-    }
-
-    pt += 4;
-    memcpy((char*)bdflibinfop, pt, sizeof(struct bdflibinfo));
-
-    span= bdflibinfop -> span;
-    if(span == 0)
-    {
-        fclose(fp);
-        return -4;
-    }
-
-    maplen= bdflibinfop -> maplen;
-    if(maplen == 0)
-    {
-        fclose(fp);
-        return -5;
-    }
-
-    bdffontp= (struct bdffont*)malloc(span * sizeof(struct bdffont));
-    if(bdffontp == NULL)
-    {
-        fclose(fp);
-        return -6;
-    }
-
-    len= fread((char*)bdffontp, 1, span * sizeof(struct bdffont), fp);
-    if(len != span * sizeof(struct bdffont))
-    {
-        free((void*)bdffontp);
-        fclose(fp);
-        return -7;
-    }
-
-    pt= (char*)malloc(maplen);
-    len= fread(pt, 1, maplen, fp);
-    if(len != maplen)
-    {
-        free((void*)bdffontp);
-        free((void*)pt);
-        fclose(fp);
-        return -8;
-    }
-
-    bdflibinfop -> mapmem = (unsigned char*)pt;
-    bdflibinfop -> fonts = bdffontp;
-
-    u32 i, j;
-    j= (u32)bdflibinfop -> mapmem;
-    for(i= 0; i < span; i++)
-        bdffontp[i].bitmap += j;
-
-    fclose(fp);
-    return 0;
-}
-
-int BDF_font_init(void)
-{
-    int err;
-    char tmp_path[MAX_PATH];
-
-    fonts_max_height= 0;
-#ifndef HAVE_ODF
-    sprintf(tmp_path, "%s/%s", main_path, BDF_PICTOCHAT);
-    err= parse_bdf(tmp_path, 32 /* from SPACE */, 8564 /* to one past the last character, "DOWNWARDS ARROW" */, &bdflib_info[0], 1);
-    if(err < 0)
-    {
-        printf("BDF 0 initial error: %d\n", err);
-        return -1;
-    }
-#else
-    sprintf(tmp_path, "%s/%s", main_path, ODF_PICTOCHAT);
-    err= init_from_odf(tmp_path, &bdflib_info[0]);
-    if(err < 0)
-    {
-        printf("ODF 0 initial error: %d\n", err);
-        return -1;
-    }
-#endif
-    bdf_font= bdflib_info[0].fonts;
-    font_height= bdflib_info[0].height;
-    if(fonts_max_height < bdflib_info[0].height)
-        fonts_max_height = bdflib_info[0].height;
-
-#ifdef DUMP_ODF
-    sprintf(tmp_path, "%s/%s", main_path, BDF_PICTOCHAT);
-    err= dump2odf(tmp_path, &bdflib_info[0]);
-    if(err < 0)
-    {
-        printf("BDF dump odf 0 error: %d\n", err);
-    }
-#endif
-
-#ifndef HAVE_ODF
-    sprintf(tmp_path, "%s/%s", main_path, BDF_SONG);
-    err= parse_bdf(tmp_path, 0x4E00, 20902, &bdflib_info[1], 1);
-    if(err < 0)
-    {
-        printf("BDF 1 initial error: %d\n", err);
-        return -1;
-    }
-#else
-    sprintf(tmp_path, "%s/%s", main_path, ODF_SONG);
-    err= init_from_odf(tmp_path, &bdflib_info[1]);
-    if(err < 0)
-    {
-        printf("ODF 1 initial error: %d\n", err);
-        return -1;
-    }
-#endif
-    bdf_nasci= bdflib_info[1].fonts;
-    if(fonts_max_height < bdflib_info[1].height)
-        fonts_max_height = bdflib_info[1].height;
-
-#ifdef DUMP_ODF
-    sprintf(tmp_path, "%s/%s", main_path, BDF_SONG);
-    err= dump2odf(tmp_path, &bdflib_info[1]);
-    if(err < 0)
-    {
-        printf("BDF dump odf 1 error: %d\n", err);
-    }
-#endif
-
-    return 0;
-}
-
-/*-----------------------------------------------------------------------------
-// release resource of BDF fonts
-------------------------------------------------------------------------------*/
-void BDF_font_release(void)
-{
-    u32 i;
-
-    for(i= 0; i < BDF_LIB_NUM; i++)
-    {
-        if(bdflib_info[i].fonts)
-            free((void*)bdflib_info[i].fonts);
-        if(bdflib_info[i].mapmem)
-            free((void*)bdflib_info[i].mapmem);
-    }
-}
-
-/*----------------------------------------------------------------------------
-//16-bit color
-// Unicode Character
-// back is background, 0x8000 is transparence, other are visable colors
-------------------------------------------------------------------------------*/
-u32 BDF_render16_ucs(void* screen_address, u32 screen_w, u32 v_align, u32 back, u32 front, u16 ch)
-{
-    unsigned short *screen, *screenp;
-    unsigned char *map;
-    u32 width, height, x_off, y_off, i, k, m, ret, fonts_height;
-    unsigned char cc;
-    struct bdffont *bdffontp;
-
-	int font_num;
-	bool found = 0;
-	for (font_num = 0; font_num < BDF_LIB_NUM && !found; font_num++) {
-    	if(bdflib_info[font_num].fonts != NULL)
-    	{
-			k = bdflib_info[font_num].start;
-			if (ch < k)
-				continue;
-			m = k + bdflib_info[font_num].span;
-	        if (ch >= m)
-				continue;
-            ch -= k;
-           	bdffontp= bdflib_info[font_num].fonts;
-           	fonts_height= bdflib_info[font_num].height;
-			found = 1;
-	    }
-	}
-	if (!found)
-		return 8; // the width of an undefined character, not an error code
-
-    width= bdffontp[ch].dwidth >> 16;
-    ret= width;
-    height= fonts_max_height;
-    //if charactor is not transparent
-    if(!(back & 0x8000))
-    {
-        for(k= 0; k < height; k++)
-        {
-            screenp= (unsigned short*)screen_address + k *screen_w;
-            for(i= 0; i < width; i++)
-                *screenp++ = back;
-        }
-    }
-
-    width= bdffontp[ch].bbx >> 24;
-    if(width == 0)
-        return ret;
-
-    height= (bdffontp[ch].bbx >> 16) & 0xFF;
-    x_off= (bdffontp[ch].bbx >> 8) & 0xFF;
-    y_off= bdffontp[ch].bbx & 0xFF;
-
-    if(v_align== 0) //v align bottom
-        screen= (unsigned short*)screen_address + x_off + (fonts_max_height - height - y_off) *screen_w;
-    else if(v_align== 1) //v align center
-        screen= (unsigned short*)screen_address + x_off + (fonts_max_height - height - y_off)/2 *screen_w;
-    else //v align top
-        screen= (unsigned short*)screen_address + x_off;
-
-    x_off= width >> 3;
-    y_off= width & 7;
-
-    map= bdffontp[ch].bitmap;
-    for(k= 0; k < height; k++)
-    {
-        screenp = screen + k *screen_w;
-        i= x_off;
-        while(i--)
-        {
-            m= 0x80;
-            cc= *map++;
-            while(m)
-            {
-                if(m & cc) *screenp = front;
-                screenp++;
-                m >>= 1;
-            }
-        }
-
-        i= y_off;
-        if(i)
-        {
-            i= 8 - y_off;
-            cc= *map++;
-            cc >>= i;
-            m= 0x80 >> i;
-            while(m)
-            {
-                if(m & cc) *screenp = front;
-                screenp++;
-                m >>= 1;
-            }
-        }
-    }
-
-    return ret;
-}
-
-/* Returns the width, in pixels, of a character given its UCS-16 codepoint. */
-u32 BDF_width16_ucs(u16 ch)
-{
-    u32 k, ret;
-
-	int font_num;
-	for (font_num = 0; font_num < BDF_LIB_NUM; font_num++) {
-    	if(bdflib_info[font_num].fonts != NULL)
-    	{
-			k = bdflib_info[font_num].start;
-			if (ch < k)
-				continue;
-			if (ch > k + bdflib_info[font_num].span)
-				continue;
-            ch -= k;
-           	return bdflib_info[font_num].fonts[ch].dwidth >> 16;
-	    }
-	}
-	return 8; // the width of an undefined character, not an error code
-}
-
-/*-----------------------------------------------------------------------------
-//16-bit color
-// ASCII Character
-// back is background, 0x8000 is transparence, other are visable colors
-------------------------------------------------------------------------------*/
-static u32 BDF_render16_font(char *screen_address, u32 back, u32 front, u16 ch)
-{
-    unsigned short *screen, *screenp;
-    unsigned char *map;
-    u32 width, height, x_off, y_off, i, k, m, ret;
-    unsigned char cc;
-
-    if(ch > 127)
-        return 8;
-
-    width= bdf_font[ch].dwidth >> 16;
-    ret= width;
-    height= font_height;
-    //if charactor is not transparent
-    if(!(back & 0x8000))
-    {
-        for(k= 0; k < height; k++)
-        {
-            screenp= (unsigned short*)screen_address + k *SCREEN_WIDTH;
-            for(i= 0; i < width; i++)
-                *screenp++ = back;
-        }
-    }
-
-    width= bdf_font[ch].bbx >> 24;
-    if(width == 0)
-        return ret;
-    height= (bdf_font[ch].bbx >> 16) & 0xFF;
-    x_off= (bdf_font[ch].bbx >> 8) & 0xFF;
-    y_off= bdf_font[ch].bbx & 0xFF;
-    screen= (unsigned short*)screen_address + x_off + (font_height - height -y_off) *SCREEN_WIDTH;
-
-    x_off= width >> 3;
-    y_off= width & 7;
-
-    map= bdf_font[ch].bitmap;
-    for(k= 0; k < height; k++)
-    {
-        screenp = screen + k *SCREEN_WIDTH;
-        i= x_off;
-        while(i--)
-        {
-            m= 0x80;
-            cc= *map++;
-            while(m)
-            {
-                if(m & cc) *screenp = front;
-                screenp++;
-                m >>= 1;
-            }
-        }
-
-        i= y_off;
-        if(i)
-        {
-            i= 8 - y_off;
-            cc= *map++;
-            cc >>= i;
-            m= 0x80 >> i;
-            while(m)
-            {
-                if(m & cc) *screenp = front;
-                screenp++;
-                m >>= 1;
-            }
-        }
-    }
-
-    return ret;
-}
-
-/*-----------------------------------------------------------------------------
-// ASCII Code Only
-------------------------------------------------------------------------------*/
-void BDF_render_string(void* screen_address, u32 x, u32 y, u32 back, u32 front, char *string)
-{
-    char *pt;
-    u32 screenp, line_start;
-    u32 width, line, cmp;
-
-    pt= string;
-    screenp= (u32)screen_address + (x + y *SCREEN_WIDTH)*2;
-    line= 1 + y;
-    line_start= (u32)screen_address + line *SCREEN_WIDTH *2;
-
-    width= 0;
-    while(*pt)
-    {
-        if(*pt == 0x0D)
-        {
-            pt++;
-            continue;
-        }
-        if(*pt == 0x0A)
-        {
-            line += font_height;
-            line_start= (u32)screen_address + line *SCREEN_WIDTH *2;
-            screenp = line_start - SCREEN_WIDTH *2;
-            pt++;
-            continue;
-        }
-
-        cmp = (bdf_font[(u32)(*pt)].dwidth >> 16) << 1;
-        if((screenp+cmp) >= line_start)
-        {
-            line += font_height;
-            line_start= (u32)screen_address + line *SCREEN_WIDTH *2;
-            screenp = line_start - SCREEN_WIDTH *2;
-        }
-        width= BDF_render16_font((char*)screenp, back, front, (u32)(*pt));
-        screenp += width*2;
-        pt++;
-    }
-}
-
-/*-----------------------------------------------------------------------------
-------------------------------------------------------------------------------*/
-char* utf8decode(char *utf8, u16 *ucs)
-{
-    unsigned char c = *utf8++;
-    unsigned long code;
-    int tail = 0;
-
-    if ((c <= 0x7f) || (c >= 0xc2)) {
-        /* Start of new character. */
-        if (c < 0x80) {        /* U-00000000 - U-0000007F, 1 byte */
-            code = c;
-        } else if (c < 0xe0) { /* U-00000080 - U-000007FF, 2 bytes */
-            tail = 1;
-            code = c & 0x1f;
-        } else if (c < 0xf0) { /* U-00000800 - U-0000FFFF, 3 bytes */
-            tail = 2;
-            code = c & 0x0f;
-        } else if (c < 0xf5) { /* U-00010000 - U-001FFFFF, 4 bytes */
-            tail = 3;
-            code = c & 0x07;
-        } else {
-            /* Invalid size. */
-            code = 0;
-        }
-
-        while (tail-- && ((c = *utf8++) != 0)) {
-            if ((c & 0xc0) == 0x80) {
-                /* Valid continuation character. */
-                code = (code << 6) | (c & 0x3f);
-
-            } else {
-                /* Invalid continuation char */
-                code = 0xfffd;
-                utf8--;
-                break;
-            }
-        }
-    } else {
-        /* Invalid UTF-8 char */
-        code = 0;
-    }
-    /* currently we don't support chars above U-FFFF */
-    *ucs = (code < 0x10000) ? code : 0;
-    return utf8;
-}
-
-unsigned char* skip_utf8_unit(unsigned char* utf8, unsigned int num)
-{
-	while(num--)
-	{
-	    unsigned char c = *utf8++;
-	    int tail = 0;
-	    if ((c <= 0x7f) || (c >= 0xc2)) {
-	        /* Start of new character. */
-	        if (c < 0x80) {        /* U-00000000 - U-0000007F, 1 byte */
-	        } else if (c < 0xe0) { /* U-00000080 - U-000007FF, 2 bytes */
-	            tail = 1;
-	        } else if (c < 0xf0) { /* U-00000800 - U-0000FFFF, 3 bytes */
-	            tail = 2;
-	        } else if (c < 0xf5) { /* U-00010000 - U-001FFFFF, 4 bytes */
-	            tail = 3;
-	        } else {			   /* Invalid size. */
-	        }
-
-	        while (tail-- && ((c = *utf8++) != 0)) {
-	            if ((c & 0xc0) != 0x80) {
-	                /* Invalid continuation char */
-	                utf8--;
-	                break;
-	            }
-	        }
-	    }
-	}
-
-    /* currently we don't support chars above U-FFFF */
-    return utf8;
-}
-
-/*-----------------------------------------------------------------------------
-// UTF8 Code String
-------------------------------------------------------------------------------*/
-void BDF_render_mix(void* screen_address, u32 screen_w, u32 x, u32 y, u32 v_align, 
-        u32 back, u32 front, char *string)
-{
-    char *pt;
-    u32 screenp, line_start;
-    u32 width, line, cmp, start, end;
-    u16 unicode;
-	struct bdffont *bdf_fontp[2];
-
-    bdf_fontp[0]= bdflib_info[0].fonts;
-    start= bdflib_info[1].start;
-    end= start + bdflib_info[1].span;
-    bdf_fontp[1]= bdflib_info[1].fonts;
-
-    pt= string;
-    screenp= (u32)screen_address + (x + y *screen_w)*2;
-    line= 1 + y;
-    line_start= (u32)screen_address + line *screen_w *2;
-
-    width= 0;
-    while(*pt)
-    {
-        pt= utf8decode(pt, &unicode);
-
-        if(unicode == 0x0D) continue;
-        if(unicode == 0x0A)
-        {
-            line += font_height;
-            line_start= (u32)screen_address + line *screen_w *2;
-            screenp = line_start - screen_w *2;
-            continue;
-        }
-
-		/* If the text would go beyond the end of the line, go back to the
-		 * start instead. */
-		cmp = BDF_width16_ucs(unicode);
-
-        if((screenp+cmp) >= line_start)
-        {
-            line += font_height;
-            line_start= (u32)screen_address + line *screen_w *2;
-            screenp = line_start - screen_w *2;
-        }
-
-        width= BDF_render16_ucs((unsigned short*)screenp, screen_w, v_align, back, front, unicode);
-        screenp += width*2;
-    }
-}
-
-/*-----------------------------------------------------------------------------
-- count UNICODE charactor numbers in width pixels, input are UTF8, not UNICODE-16
-- direction 0: count UNICODE charactor numbers in width pixels, from end, 
--	return bytes numbers
-- direction 1: count UNICODE charactor numbers in width pixels, from front, 
--	return bytes numbers
-- direction 2: count total pixel width of the string
-------------------------------------------------------------------------------*/
-u32 BDF_cut_string(char *string, u32 width, u32 direction)
-{
-    char *pt;
-    u16 unicode[256];
-    u32 len, xw;
-
-    if(direction > 2) return -1;
-
-    pt= string;
-    len= 0;
-    while(*pt)
-    {
-        pt= utf8decode(pt, &unicode[len]);
-        if(unicode[len] != 0x0A)
-        {
-            len++;
-            if(len >= 256) break;
-        }
-    }
-
-    if(len >= 256) return -1;
-
-    u16 *unicodep;
-    if(direction == 0)
-        unicodep= &unicode[len-1];
-    else
-        unicodep= &unicode[0];
-
-    if(direction == 2) direction = 3;
-    xw= BDF_cut_unicode(unicodep, len, width, direction);
-
-    if(direction < 2)
-    {
-		if(direction < 1)
-			xw= len - xw;
-
-        pt= string;
-        while(xw)
-        {
-            pt= utf8decode(pt, unicodep);
-            if(unicode[xw] != 0x0A) xw--;
-        }
-
-        xw= pt -string;
-    }
-
-    return xw;
-}
-
-/*-----------------------------------------------------------------------------
-- count UNICODE charactor numbers in width pixels
-- direction 0: count UNICODE charactor numbers in width pixels, from end
-- direction 1: count UNICODE charactor numbers in width pixels, from front
-- direction 2: conut total pixel width of len UNICODE charachtors, from end
-- direction 3: conut total pixel width of len UNICODE charachtors, from front
-------------------------------------------------------------------------------*/
-u32 BDF_cut_unicode(u16 *unicodes, u32 len, u32 width, u32 direction)
-{
-    u32 i, lastSpace = 0, xw, num;
-    u16 unicode;
-    u32 start, end;
-    struct bdffont *bdf_fontp[2];
-
-    bdf_fontp[0]= bdflib_info[0].fonts;
-    start= bdflib_info[1].start;
-    end= start + bdflib_info[1].span;
-    bdf_fontp[1]= bdflib_info[1].fonts;
-
-    if(direction < 2)
-    {
-        if(direction < 1)   direction = -1;
-
-        i= 0;
-        xw = 0;
-        num= len;
-		while(len > 0)
-		{
-			unicode= unicodes[i];
-			if (unicode == 0x0A)
-				return num - len;
-			else if (unicode == ' ')
-				lastSpace = len;
-
-			xw += BDF_width16_ucs(unicode);
-
-			if(xw > width) return num - lastSpace;
-			i += direction;
-			len--;
-		}
-
-		return num - len;
-	}
-    else
-    {
-        if(direction < 3)   direction = -1;
-        else    direction = 1;
-
-        i= 0;
-        xw = 0;
-        while(len-- > 0)
-        {
-            unicode= unicodes[i];
-			xw += BDF_width16_ucs(unicode);
-            i += direction;
-        }
-
-        num= xw;
-
-        return num;
-    }
-}
-
-
diff --git a/source/nds/bdf_font.h b/source/nds/bdf_font.h
deleted file mode 100644
index 074f5de..0000000
--- a/source/nds/bdf_font.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* bdf_font.h
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __BDF_FONT_H__
-#define __BDF_FONT_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct bdffont{
-    unsigned int dwidth;    //byte 3:2 x-distance; 1:0 y-distance
-    unsigned int bbx;       //byte 3 x-width; 2 y-height; 1 x-offset; 0 y-offset
-    unsigned char *bitmap;
-};
-
-struct bdflibinfo{
-    unsigned int width;
-    unsigned int height;
-    unsigned int start;
-    unsigned int span;
-    unsigned int maplen;
-    unsigned char *mapmem;
-    struct bdffont *fonts;
-};
-
-
-/*-----------------------------------------------------------------------------
-------------------------------------------------------------------------------*/
-extern int BDF_font_init(void);
-extern void BDF_render_string(void* screen_address, unsigned int x, unsigned int y, unsigned int back, 
-    unsigned int front, char *string);
-extern unsigned int BDF_render16_ucs(void* screen_address, unsigned int screen_w, 
-    unsigned int v_align, unsigned int back, unsigned int front, unsigned short ch);
-extern void BDF_render_mix(void* screen_address, unsigned int screen_w, unsigned int x, 
-    unsigned int y, unsigned int v_align, unsigned int back, unsigned int front, char *string);
-//extern unsigned int BDF_string_width(char *string, unsigned int *len);
-extern char* utf8decode(char *utf8, unsigned short *ucs);
-extern unsigned char* skip_utf8_unit(unsigned char* utf8, unsigned int num);
-extern unsigned int BDF_cut_unicode(unsigned short *unicodes, unsigned int len, unsigned int width, unsigned int direction);
-extern unsigned int BDF_cut_string(char *string, unsigned int width, unsigned int direction);
-extern void BDF_font_release(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif //__BDF_FONT_H__
diff --git a/source/nds/bitmap.c b/source/nds/bitmap.c
deleted file mode 100644
index efeb11c..0000000
--- a/source/nds/bitmap.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/* bitmap.c
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-//v1.1
-
-#include "fs_api.h"
-#include "bitmap.h"
-#include "ds2_malloc.h"
-
-int BMP_read(char* filename, char *buf, unsigned int width, unsigned int height, unsigned int* type)
-{
-	FILE* fp;
-	BMPHEADER bmp_header;
-	int	flag;
-	u32 bytepixel;
-	u32	x, y, sx, sy, m;
-	unsigned char *dest;
-	s32	fpos;
-	unsigned short st[54/2];
-
-	fp= fopen(filename, "rb");
-    if(fp == NULL)
-		return BMP_ERR_OPENFAILURE;
-
-	flag= fread(st, sizeof(st), 1, fp);
-	if(!flag) {
-		fclose(fp);
-		return BMP_ERR_FORMATE;
-	}
-
-	bmp_header.bfType= st[0];
-    bmp_header.bfSize= st[1] | (st[2]<<16);
-    bmp_header.bfReserved0= st[3];
-    bmp_header.bfReserved1= st[4];
-    bmp_header.bfImgoffst= st[5] | (st[6]<<16);
-    bmp_header.bfImghead.imHeadsize= st[7] | (st[8]<<16);
-	bmp_header.bfImghead.imBitmapW= st[9] | (st[10]<<16);
-	bmp_header.bfImghead.imBitmapH= st[11] | (st[12]<<16);
-	bmp_header.bfImghead.imPlanes= st[13];
-	bmp_header.bfImghead.imBitpixel= st[14];
-	bmp_header.bfImghead.imCompess= st[15] | (st[16]<<16);
-	bmp_header.bfImghead.imImgsize= st[17] | (st[18]<<16);
-	bmp_header.bfImghead.imHres= st[19] | (st[20]<<16);
-	bmp_header.bfImghead.imVres= st[21] | (st[22]<<16);
-	bmp_header.bfImghead.imColnum= st[23] | (st[24]<<16);
-	bmp_header.bfImghead.imImcolnum= st[25] | (st[26]<<16);
-
-	if(bmp_header.bfType != 0x4D42) {	//"BM"
-		fclose(fp);
-		return BMP_ERR_FORMATE;
-	}
-
-	if(bmp_header.bfImghead.imCompess != BI_RGB && 
-		bmp_header.bfImghead.imCompess != BI_BITFIELDS) {
-		fclose(fp);
-		return BMP_ERR_NEED_GO_ON;		//This funciton now not support...
-	}
-
-	bytepixel= bmp_header.bfImghead.imBitpixel >> 3;
-	if(bytepixel < 2) {				//byte per pixel >= 2
-		fclose(fp);
-		return BMP_ERR_NEED_GO_ON;		//This funciton now not support...
-	}
-
-	*type = bytepixel;
-
-	x= width;
-	y= height;
-	sx= bmp_header.bfImghead.imBitmapW;
-	sy= bmp_header.bfImghead.imBitmapH;
-	if(x > sx)
-		x= sx;
-	if(y > sy)
-		y= sy;
-
-	// Expect a certain amount of bytes and read them all at once.
-	unsigned int BytesPerLine = (sx * bytepixel + 3) & ~3;
-	char* FileBuffer = (char*) malloc(BytesPerLine * (sy - 1) + sx * bytepixel);
-	if (FileBuffer == NULL) {
-		fclose(fp);
-		return BMP_ERR_NEED_GO_ON; // Memory allocation error
-	}
-
-	fseek(fp, (s32) bmp_header.bfImgoffst, SEEK_SET);
-	m = fread(FileBuffer, 1, BytesPerLine * (sy - 1) + sx * bytepixel, fp);
-
-	if (m < BytesPerLine * (sy - 1) + sx * bytepixel) {
-		free(FileBuffer);
-		fclose(fp);
-		return BMP_ERR_FORMATE; // incomplete file
-	}
-
-	// Reorder all the bytes, because scanlines are from bottom to top.
-	for (m = 0; m < y; m++) {
-		memcpy(buf + m * x * bytepixel, FileBuffer + (sy - m - 1) * BytesPerLine, x * bytepixel);
-	}
-
-	free(FileBuffer);
-	fclose(fp);
-
-	return BMP_OK;
-}
-
-/*
-*	open BMP file
-*/
-int openBMP(BMPINFO* bmpInfo, const char* file)
-{
-	FILE* fp;
-	unsigned short st[54/2];
-	int len;
-
-	bmpInfo->fp = NULL;
-
-	fp = fopen(file, "r");
-	if(NULL == fp)
-		return BMP_ERR_OPENFAILURE;
-
-	len = fread((void*)st, 1, sizeof(BMPHEADER), fp);
-	if(len < sizeof(BMPHEADER)) {
-		fclose(fp);
-		return BMP_ERR_FORMATE;
-	}
-
-	bmpInfo->bmpHead.bfType= st[0];
-    bmpInfo->bmpHead.bfSize= st[1] | (st[2]<<16);
-    bmpInfo->bmpHead.bfReserved0= st[3];
-    bmpInfo->bmpHead.bfReserved1= st[4];
-    bmpInfo->bmpHead.bfImgoffst= st[5] | (st[6]<<16);
-    bmpInfo->bmpHead.bfImghead.imHeadsize= st[7] | (st[8]<<16);
-	bmpInfo->bmpHead.bfImghead.imBitmapW= st[9] | (st[10]<<16);
-	bmpInfo->bmpHead.bfImghead.imBitmapH= st[11] | (st[12]<<16);
-	bmpInfo->bmpHead.bfImghead.imPlanes= st[13];
-	bmpInfo->bmpHead.bfImghead.imBitpixel= st[14];
-	bmpInfo->bmpHead.bfImghead.imCompess= st[15] | (st[16]<<16);
-	bmpInfo->bmpHead.bfImghead.imImgsize= st[17] | (st[18]<<16);
-	bmpInfo->bmpHead.bfImghead.imHres= st[19] | (st[20]<<16);
-	bmpInfo->bmpHead.bfImghead.imVres= st[21] | (st[22]<<16);
-	bmpInfo->bmpHead.bfImghead.imColnum= st[23] | (st[24]<<16);
-	bmpInfo->bmpHead.bfImghead.imImcolnum= st[25] | (st[26]<<16);
-
-	if(bmpInfo->bmpHead.bfType != 0x4D42)	//"BM"
-	{
-		fclose(fp);
-		return BMP_ERR_FORMATE;
-	}
-
-	if(bmpInfo->bmpHead.bfImghead.imCompess != BI_RGB &&
-		bmpInfo->bmpHead.bfImghead.imCompess != BI_BITFIELDS)
-	{
-		fclose(fp);
-		return BMP_ERR_NEED_GO_ON;		//This funciton now not support...
-	}
-
-	bmpInfo->fp = fp;
-
-	return BMP_OK;
-}
-
-/*
-*	read pixel form BMP file
-*/
-int readBMP(BMPINFO* bmpInfo, unsigned int start_x, unsigned int start_y, 
-		unsigned int width, unsigned int height, void* buffer)
-{
-	unsigned int m, n;
-	unsigned int bmp_w, bmp_h;
-	int fpos;
-	unsigned char* dst;
-	unsigned int bytepixel;
-
-	bytepixel = bmpInfo->bmpHead.bfImghead.imBitpixel >> 3;
-	if(bytepixel < 2)	//Not support <2 bytes per pixel now
-		return -1;
-
-	//BMP scan from down to up
-	bmp_w = bmpInfo->bmpHead.bfImghead.imBitmapW;
-	bmp_h = bmpInfo->bmpHead.bfImghead.imBitmapH;
-	if(((start_x +1) > bmp_w) || ((start_y+1) > bmp_h)) return -1;
-	n = bmp_w - start_x;
-	if(n > width) n = width;			//start_x + width < bmp_w
-	m = bmp_h - start_y;
-	if(m > height) m = height;			//start_y + height < bmp_h
-
-	fpos = (int)bmpInfo->bmpHead.bfImgoffst;
-
-	fpos += (((bmp_w*bytepixel+3)>>2)<<2)*(bmp_h - start_y -1) + start_x*bytepixel;
-	dst = (unsigned char*)buffer;
-	n *= bytepixel;
-	while(m--) {
-		fseek(bmpInfo->fp, fpos, SEEK_SET);
-		fread(dst, 1, n, bmpInfo->fp);
-		fpos -= ((bmp_w*bytepixel+3)>>2)<<2;
-		dst += width*bytepixel;
-	}
-
-	return 0;
-}
-
-/*
-*	close BMP file
-*/
-void closeBMP(BMPINFO* bmpInfo)
-{
-	if(NULL != bmpInfo->fp)
-		fclose(bmpInfo->fp);
-}
-
-
diff --git a/source/nds/bitmap.h b/source/nds/bitmap.h
deleted file mode 100644
index c8f9c52..0000000
--- a/source/nds/bitmap.h
+++ /dev/null
@@ -1,111 +0,0 @@
-/* bitmap.c
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __BITMAP_H__
-#define __BITMAP_H__
-#include "ds2_types.h"
-#include "fs_api.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct _pixelmapheader{
-	u32		imHeadsize;	//Bitmap information header size
-	u32		imBitmapW;	//bitmap width in pixel
-	u32		imBitmapH;	//bitmap height in pixel
-	u16		imPlanes;	//bitmap planes numbers, must be set to 1
-	u16		imBitpixel;	//bits per pixel
-	u32		imCompess;	//compress method
-	u32		imImgsize;	//image size, times of 4-byte
-	u32		imHres;		//horizontal resolution, pixel/metel
-	u32		imVres;		//vertical resolution, pixel/metel
-	u32		imColnum;	//number of colors in color palette, 0 to exp(2)
-	u32		imImcolnum;	//important colors numbers used
-} IMAGEHEADER;
-
-
-typedef struct _bitmapfileheader{
-	u16		bfType;		//BMP file types
-	u32		bfSize;		//BMP file size(Not the pixel image size)
-	u16		bfReserved0;//reserved area0
-	u16		bfReserved1;//reserved area1
-	u32		bfImgoffst;	//pixel data area offset
-	IMAGEHEADER bfImghead;
-} BMPHEADER;
-
-
-typedef struct _bitmapInfo{
-	FILE* fp;
-	BMPHEADER bmpHead;
-} BMPINFO;
-
-//#define NULL 0
-
-//compression method
-/* Value Identified by 	Compression method 		Comments
-*	0 		BI_RGB 			none 				Most common
-*	1 		BI_RLE8 		RLE 8-bit/pixel 	Can be used only with 8-bit/pixel bitmaps
-*	2 		BI_RLE4 		RLE 4-bit/pixel 	Can be used only with 4-bit/pixel bitmaps
-*	3 		BI_BITFIELDS 	Bit field 			Can be used only with 16 and 32-bit/pixel bitmaps.
-*	4 		BI_JPEG 		JPEG 				The bitmap contains a JPEG image
-*	5 		BI_PNG 			PNG 				The bitmap contains a PNG image
-*/
-#define BI_RGB			0
-#define BI_RLE8			1
-#define BI_RLE4			2
-#define BI_BITFIELDS 	3
-#define BI_JPEG			4
-#define BI_PNG			5
-
-//error message
-#define BMP_OK				0
-#define BMP_ERR_OPENFAILURE	1
-#define BMP_ERR_FORMATE		2
-#define BMP_ERR_NOTSUPPORT	3
-#define BMP_ERR_NEED_GO_ON	4
-
-
-#define FILEOPENCHECK(fp)		(fp!=NULL)
-		
-
-extern int BMP_read(char* filename, char *buf, unsigned int width, 
-		unsigned int height, unsigned int *type);
-
-/*
-*	open BMP file
-*/
-extern int openBMP(BMPINFO* bmpInfo, const char* file);
-
-/*
-*	read pixel form BMP file
-*/
-extern int readBMP(BMPINFO* bmpInfo, unsigned int start_x, unsigned int start_y, 
-		unsigned int width, unsigned int height, void* buffer);
-
-/*
-*	close BMP file
-*/
-extern void closeBMP(BMPINFO* bmpInfo);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif //__BITMAP_H__
diff --git a/source/nds/cheatgrp.c b/source/nds/cheatgrp.c
deleted file mode 100644
index 75513e8..0000000
--- a/source/nds/cheatgrp.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* cheatgrp.c
- *
- * Copyright (C) 2013 GBAtemp user Nebuleon.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "cheatgrp.h"
-#include "string.h"
-#include "ds2_malloc.h"
-
-extern struct SCheatData Cheat;
-
-/*
- * Obtains the names of cheat groups currently defined in the Snes9x cheat
- * data.
- * Cheats are grouped by name, because multipart codes share the same name
- * when loaded.
- * This function only handles consecutive codes with the same name. If two
- * runs of codes have the same name, two identically-named groups will be
- * written. Enabling or disabling either of these groups will also enable
- * or disable the other if using NDSSFCEnableCheatGroup or
- * NDSSFCDisableCheatGroup.
- * OUT: NamePointers, an array of MAX_CHEATS_T + 1 pointers which are updated
- *      by this function. All pointers beyond the last group name are updated
- *      to point to NULL.
- *      NameMemory, an array of MAX_CHEATS_T * MAX_SFCCHEAT_NAME char values
- *      which is updated to hold the names of the groups.
- */
-void NDSSFCGetCheatGroups (char** NamePointers, char* NameMemory)
-{
-	unsigned int NameIndex = 0, cheat;
-	char* dst = NameMemory;
-	for (cheat = 0; cheat < Cheat.num_cheats; cheat++)
-	{
-		if (cheat == 0 || strcmp(Cheat.c [cheat].name, Cheat.c [cheat - 1].name) != 0)
-		{
-			memcpy(dst, Cheat.c [cheat].name, MAX_SFCCHEAT_NAME * sizeof (char));
-			NamePointers[NameIndex] = dst;
-			dst += MAX_SFCCHEAT_NAME;
-			NameIndex++;
-		}
-	}
-	for (; NameIndex < MAX_CHEATS_T + 1; NameIndex++)
-	{
-		NamePointers[NameIndex] = NULL;
-	}
-}
-
-void NDSSFCEnableCheatGroup (char* GroupName)
-{
-	uint32 cheat;
-	for (cheat = 0; cheat < Cheat.num_cheats; cheat++)
-	{
-		if (strcmp(Cheat.c [cheat].name, GroupName) == 0)
-		{
-			S9xEnableCheat (cheat);
-		}
-	}
-}
-
-void NDSSFCDisableCheatGroup (char* GroupName)
-{
-	uint32 cheat;
-	for (cheat = 0; cheat < Cheat.num_cheats; cheat++)
-	{
-		if (strcmp(Cheat.c [cheat].name, GroupName) == 0)
-		{
-			S9xDisableCheat (cheat);
-		}
-	}
-}
-
-bool8 NDSSFCIsCheatGroupEnabled (char* GroupName)
-{
-	bool8 NameFound = FALSE;
-	uint32 cheat;
-	for (cheat = 0; cheat < Cheat.num_cheats; cheat++)
-	{
-		if (strcmp(Cheat.c [cheat].name, GroupName) == 0)
-		{
-			if (!Cheat.c [cheat].enabled)
-				return FALSE;
-			NameFound = TRUE;
-		}
-	}
-	return NameFound;
-}
diff --git a/source/nds/cheatgrp.h b/source/nds/cheatgrp.h
deleted file mode 100644
index d84549a..0000000
--- a/source/nds/cheatgrp.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* cheatgrp.h
- *
- * Copyright (C) 2013 GBAtemp user Nebuleon.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "port.h"
-#include "cheats.h"
-
-extern void NDSSFCGetCheatGroups (char** NamePointers, char* NameMemory);
-extern void NDSSFCEnableCheatGroup (char* GroupName);
-extern void NDSSFCDisableCheatGroup (char* GroupName);
-extern bool8 NDSSFCIsCheatGroupEnabled (char* GroupName);
-
diff --git a/source/nds/displaymodes.cpp b/source/nds/displaymodes.cpp
deleted file mode 100644
index 173ead3..0000000
--- a/source/nds/displaymodes.cpp
+++ /dev/null
@@ -1,88 +0,0 @@
-/* displaymodes.cpp
- *
- * Copyright (C) 2012 GBAtemp user Nebuleon.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include <stdio.h>
-
-//#include "ds2_types.h"
-//#include "ds2io.h"
-
-#include "gfx.h"
-
-static uint16 SevenToSixScanlineResize (uint16 TopColour, uint16 BottomColour, uint8 TopFraction, uint8 BottomFraction)
-{
-	// Speed hacks!
-	if (TopColour == BottomColour) // Two colours identical (no calc)
-		return TopColour;
-	if (TopColour == 0x0000) // From black to a non-identical colour
-		return
-			// Red component
-			( ( ((BottomColour >> 10) & 0x1F) * BottomFraction / 7 ) << 10 )
-			// Green component
-		|	( ( ((BottomColour >>  5) & 0x1F) * BottomFraction / 7 ) << 5 )
-			// Blue component
-		|	( (  (BottomColour        & 0x1F) * BottomFraction / 7 )      )
-		;
-	if (BottomColour == 0x0000) // To black from a non-identical colour
-		return
-			// Red component
-			( ( ((TopColour >> 10) & 0x1F) * TopFraction / 7 ) << 10 )
-			// Green component
-		|	( ( ((TopColour >>  5) & 0x1F) * TopFraction / 7 ) << 5 )
-			// Blue component
-		|	( (  (TopColour        & 0x1F) * TopFraction / 7 )      )
-		;
-	return
-		// Red component
-		( ( ((TopColour >> 10) & 0x1F) * TopFraction / 7 + ((BottomColour >> 10) & 0x1F) * BottomFraction / 7 ) << 10 )
-		// Green component
-	|	( ( ((TopColour >>  5) & 0x1F) * TopFraction / 7 + ((BottomColour >>  5) & 0x1F) * BottomFraction / 7 ) << 5 )
-		// Blue component
-	|	( (  (TopColour        & 0x1F) * TopFraction / 7 +  (BottomColour        & 0x1F) * BottomFraction / 7 )      )
-	;
-}
-
-void NDSSFCDrawFrameAntialiased (void* screen_addr)
-{
-	uint16 X, Y;
-	uint16 *SrcTop = (uint16 *) GFX.Screen, *SrcBottom = SrcTop + 256, *Dest = (uint16 *) screen_addr;
-
-	for (Y = 0; Y < 224; Y += 7)
-	{
-		for (X = 0; X < 256; X++)
-			*Dest++ = SevenToSixScanlineResize (*SrcTop++, *SrcBottom++, 6, 1);
-			// At the end of this loop, line 1 for this block of 6
-			// has been drawn from the 2 first lines in the block
-			// of 7. Do the rest.
-		for (X = 0; X < 256; X++)
-			*Dest++ = SevenToSixScanlineResize (*SrcTop++, *SrcBottom++, 5, 2);
-		for (X = 0; X < 256; X++)
-			*Dest++ = SevenToSixScanlineResize (*SrcTop++, *SrcBottom++, 4, 3);
-		for (X = 0; X < 256; X++)
-			*Dest++ = SevenToSixScanlineResize (*SrcTop++, *SrcBottom++, 3, 4);
-		for (X = 0; X < 256; X++)
-			*Dest++ = SevenToSixScanlineResize (*SrcTop++, *SrcBottom++, 2, 5);
-		for (X = 0; X < 256; X++)
-			*Dest++ = SevenToSixScanlineResize (*SrcTop++, *SrcBottom++, 1, 6);
-		// At the end of these loops, SrcTop and SrcBottom point to
-		// the first element in the 7th line of the current block and
-		// the first element in the 1st line of the next.
-		// We need to increase the pointer to start on lines 1 & 2.
-		SrcTop += 256;
-		SrcBottom += 256;
-	}
-}
diff --git a/source/nds/dma_adj.c b/source/nds/dma_adj.c
deleted file mode 100644
index 8b6f9ad..0000000
--- a/source/nds/dma_adj.c
+++ /dev/null
@@ -1,26 +0,0 @@
-#include "ds2_malloc.h"
-#include "dma_adj.h"
-
-#ifdef DS2_DMA
-
-struct SPointerAdjustments PtrAdj;
-
-void* AlignedMalloc (unsigned int Size, unsigned int Alignment, unsigned int* Adjustment)
-{
-	if (Alignment == 0) Alignment = 1;
-
-	unsigned char* result = (unsigned char*) malloc(Size + Alignment);
-	if (!result) {
-		return result;
-	} else {
-		*Adjustment = Alignment - ((unsigned int) result & (Alignment - 1));
-		return (void*) (result + *Adjustment);
-	}
-}
-
-void AlignedFree (void* Memory, unsigned int Adjustment)
-{
-	free((void*) ((unsigned char*) Memory - Adjustment));
-}
-
-#endif // DS2_DMA
diff --git a/source/nds/dma_adj.h b/source/nds/dma_adj.h
deleted file mode 100644
index 3852f09..0000000
--- a/source/nds/dma_adj.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#ifndef _DMA_ADJ_H_
-#define _DMA_ADJ_H_
-
-#ifdef DS2_DMA
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct SPointerAdjustments {
-	/* These are used by the DSTWO-NDS side code. */
-	unsigned int  GFXScreen;
-
-	/* These are used by Snes9x. */
-	unsigned int  ROM;
-};
-
-extern struct SPointerAdjustments PtrAdj;
-
-extern void* AlignedMalloc (unsigned int Size, unsigned int Alignment, unsigned int* Adjustment);
-extern void AlignedFree (void* Memory, unsigned int Adjustment);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // DS2_DMA
-
-#endif // !_DMA_ADJ_H_
diff --git a/source/nds/draw.c b/source/nds/draw.c
deleted file mode 100644
index 6344f5b..0000000
--- a/source/nds/draw.c
+++ /dev/null
@@ -1,1315 +0,0 @@
-/* draw.c
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-//v1.1
-
-/******************************************************************************
- * draw.cpp
- * basic program to draw some graphic
- ******************************************************************************/
-#include "port.h"
-#include <string.h>
-#include <stdio.h>
-#include "ds2_malloc.h"
-#include "ds2_cpu.h"
-#include "bdf_font.h"
-#include "gui.h"
-#include "bitmap.h"
-#include "draw.h"
-
-/******************************************************************************
- * macro definition
- ******************************************************************************/
-#define progress_sx (screen_width2 - SCREEN_WIDTH / 3)  // Center -160/-80
-#define progress_ex (screen_width2 + SCREEN_WIDTH / 3)  // Center +160/+80
-#define progress_sy (screen_height2 + 3)                // Center +3
-#define progress_ey (screen_height2 + 13)               // Center +13
-#define yesno_sx    (screen_width2 - SCREEN_WIDTH / 3)  // Center -160/-80
-#define yesno_ex    (screen_width2 + SCREEN_WIDTH / 3)  // Center +160/+80
-#define yesno_sy    (screen_height2 + 3)                // Center +3
-#define yesno_ey    (screen_height2 + 13)               // Center +13
-#define progress_color COLOR16(15,15,15)
-
-//#define progress_wait (0.5 * 1000 * 1000)
-#define progress_wait (OS_TICKS_PER_SEC/2)				//0.5S
-
-#define FONTS_HEIGHT    14
-
-#define SCREEN_PITCH	256
-
-#define VRAM_POS(screen, x, y)  ((unsigned short*)screen + (x + (y) * SCREEN_PITCH))
-
-#define BOOTLOGO "SYSTEM/GUI/boot.bmp"
-#define GUI_SOURCE_PATH "SYSTEM/GUI"
-#define GUI_PIC_BUFSIZE 1024*512
-
-char gui_picture[GUI_PIC_BUFSIZE];
-
-struct gui_iconlist gui_icon_list[]= {
-    //file system
-    /* 00 */ {"zipfile", 16, 16, NULL},
-    /* 01 */ {"directory", 16, 16, NULL},
-    /* 02 */ {"sfcfile", 16, 16, NULL},
-
-	//title
-	/* 03 */ {"stitle", 256, 33, NULL},
-	//main menu
-	/* 04 */ {"savo", 52, 52, NULL},
-	/* 05 */ {"ssaveo", 52, 52, NULL},
-	/* 06 */ {"stoolo", 52, 52, NULL},
-	/* 07 */ {"scheato", 52, 52, NULL},
-	/* 08 */ {"sother", 52, 52, NULL},
-	/* 09 */ {"sexito", 52, 52, NULL},
-	/* 10 */ {"smsel", 79, 15, NULL},
-	/* 11 */ {"smnsel", 79, 15, NULL},
-
-	/* 12 */ {"snavo", 52, 52, NULL},
-	/* 13 */ {"snsaveo", 52, 52, NULL},
-	/* 14 */ {"sntoolo", 52, 52, NULL},
-	/* 15 */ {"sncheato", 52, 52, NULL},
-	/* 16 */ {"snother", 52, 52, NULL},
-	/* 17 */ {"snexito", 52, 52, NULL},
-
-	/* 18 */ {"sunnof", 16, 16, NULL},
-	/* 19 */ {"smaini", 85, 38, NULL},
-	/* 20 */ {"snmaini", 85, 38, NULL},
-	/* 21 */ {"smaybgo", 256, 192, NULL},
-
-	/* 22 */ {"sticon", 29, 13, NULL},
-	/* 23 */ {"ssubbg", 256, 192, NULL},
-
-	/* 24 */ {"subsela", 245, 22, NULL},
-	/* 25 */ {"sfullo", 12, 12, NULL},
-	/* 26 */ {"snfullo", 12, 12, NULL},
-	/* 27 */ {"semptyo", 12, 12, NULL},
-	/* 28 */ {"snemptyo", 12, 12, NULL},
-	/* 29 */ {"fdoto", 16, 16, NULL},
-	/* 30 */ {"backo", 19, 13, NULL},
-	/* 31 */ {"nbacko", 19, 13, NULL},
-	/* 32 */ {"chtfile", 16, 15, NULL},
-	/* 33 */ {"smsgfr", 193, 111, NULL},
-	/* 34 */ {"sbutto", 76, 16, NULL}
-                        };
-
-u16 COLOR_BG            = COLOR16( 0,  0,  0);
-u16 COLOR_INACTIVE_ITEM = COLOR16( 0,  0,  0);
-u16 COLOR_ACTIVE_ITEM   = COLOR16(31, 31, 31);
-u16 COLOR_MSSG          = COLOR16( 0,  0,  0);
-u16 COLOR_INACTIVE_MAIN = COLOR16(31, 31, 31);
-u16 COLOR_ACTIVE_MAIN   = COLOR16(31, 31, 31);
-
-
-/*
-*	Drawing string aroud center
-*/
-void print_string_center(void* screen_addr, u32 sy, u32 color, u32 bg_color, char *str)
-{
-	int width = 0;//fbm_getwidth(str);
-	u32 sx = (SCREEN_WIDTH - width) / 2;
-
-	PRINT_STRING_BG(screen_addr, str, color, bg_color, sx, sy);
-}
-
-/*
-*	Drawing string with shadow around center
-*/
-void print_string_shadow_center(void* screen_addr, u32 sy, u32 color, char *str)
-{
-	int width = 0;//fbm_getwidth(str);
-	u32 sx = (SCREEN_WIDTH - width) / 2;
-
-	PRINT_STRING_SHADOW(screen_addr, str, color, sx, sy);
-}
-
-/*
-*	Drawing horizontal line
-*/
-void drawhline(void* screen_addr, u32 sx, u32 ex, u32 y, u32 color)
-{
-	u32 x;
-	u32 width  = (ex - sx) + 1;
-	u16 *dst = VRAM_POS(screen_addr, sx, y);
-
-	for (x = 0; x < width; x++)
-		*dst++ = (u16)color;
-}
-
-/*
-*	Drawing vertical line
-*/
-void drawvline(void* screen_addr, u32 x, u32 sy, u32 ey, u32 color)
-{
-	int y;
-	int height = (ey - sy) + 1;
-	u16 *dst = VRAM_POS(screen_addr, x, sy);
-
-	for (y = 0; y < height; y++)
-	{
-		*dst = (u16)color;
-		dst += SCREEN_PITCH;
-	}
-}
-
-/*
-*	Drawing rectangle
-*/
-void drawbox(void* screen_addr, u32 sx, u32 sy, u32 ex, u32 ey, u32 color)
-{
-	drawhline(screen_addr, sx, ex - 1, sy, color);
-	drawvline(screen_addr, ex, sy, ey - 1, color);
-	drawhline(screen_addr, sx + 1, ex, ey, color);
-	drawvline(screen_addr, sx, sy + 1, ey, color);
-}
-
-/*
-*	Filling a rectangle
-*/
-void drawboxfill(void* screen_addr, u32 sx, u32 sy, u32 ex, u32 ey, u32 color)
-{
-	u32 x, y;
-	u32 width  = (ex - sx) + 1;
-	u32 height = (ey - sy) + 1;
-	u16 *dst = VRAM_POS(screen_addr, sx, sy);
-
-	for (y = 0; y < height; y++)
-	{
-		for (x = 0; x < width; x++)
-		{
-			dst[x + y * SCREEN_PITCH] = (u16)color;
-		}
-	}
-}
-
-/*
-*	Drawing a selection item
-- active    0 not fill
--           1 fill with gray
--           2 fill with color
--           3 fill with color and most brithness
-- color     0 Red
--           1 Green
--           2 Blue
-------------------------------------------------------*/
-void draw_selitem(void* screen_addr, u32 x, u32 y, u32 color, u32 active)
-{
-    u32 size;
-    u32 color0, color1, color2, color3;
-
-    size= 10;
-
-    switch(active)
-    {
-        case 1:
-            color0 = COLOR16(12, 12, 12);
-            color1 = COLOR16(2, 2, 2);
-            color2 = COLOR16(7, 7, 7);
-            color3 = COLOR16(22, 22, 22);
-          break;
-        case 2:
-            switch(color)
-            {
-                case 0: //Red
-                    color0 = COLOR16(12, 12, 12);
-                    color1 = COLOR16(8, 0, 0);
-                    color2 = COLOR16(16, 0, 0);
-                    color3 = COLOR16(24, 0, 0);
-                  break;
-                case 1: //Green
-                    color0 = COLOR16(12, 12, 12);
-                    color1 = COLOR16(0, 8, 0);
-                    color2 = COLOR16(0, 16, 0);
-                    color3 = COLOR16(0, 24, 0);
-                  break;
-                case 2: //Blue
-                    color0 = COLOR16(12, 12, 12);
-                    color1 = COLOR16(0, 0, 8);
-                    color2 = COLOR16(0, 0, 16);
-                    color3 = COLOR16(0, 0, 24);
-                  break;
-                default:
-                    color0 = COLOR16(12, 12, 12);
-                    color1 = COLOR16(0, 8, 0);
-                    color2 = COLOR16(0, 16, 0);
-                    color3 = COLOR16(0, 24, 0);
-                  break;
-            }
-          break;
-        case 3:
-            switch(color)
-            {
-                case 0: //Red
-                    color0 = COLOR16(31, 31, 31);
-                    color1 = COLOR16(16, 0, 0);
-                    color2 = COLOR16(22, 0, 0);
-                    color3 = COLOR16(31, 0, 0);
-                  break;
-                case 1: //Green
-                    color0 = COLOR16(31, 31, 31);
-                    color1 = COLOR16(0, 16, 0);
-                    color2 = COLOR16(0, 22, 0);
-                    color3 = COLOR16(0, 31, 0);
-                  break;
-                case 2: //Blue
-                    color0 = COLOR16(31, 31, 31);
-                    color1 = COLOR16(0, 0, 16);
-                    color2 = COLOR16(0, 0, 22);
-                    color3 = COLOR16(0, 0, 31);
-                  break;
-                default:
-                    color0 = COLOR16(31, 31, 31);
-                    color1 = COLOR16(0, 16, 0);
-                    color2 = COLOR16(0, 22, 0);
-                    color3 = COLOR16(0, 31, 0);
-                  break;
-            }
-          break;
-        default:
-            color0= COLOR16(18, 18, 18);
-            color1= color2= color3= COLOR16(18, 18, 18);
-          break;
-    }
-
-    drawbox(screen_addr, x, y, x+size-1, y+size-1, color0);
-
-    if(active >0)
-    {
-        drawbox(screen_addr, x+1, y+1, x+size-2, y+size-2, color1);
-        drawbox(screen_addr, x+2, y+2, x+size-3, y+size-3, color2);
-        drawboxfill(screen_addr, x+3, y+3, x+size-4, y+size-4, color3);
-    }
-}
-
-/*
-*	Drawing message box
-*	Note if color_fg is transparent, screen_bg can't be transparent
-*/
-void draw_message(void* screen_addr, u16 *screen_bg, u32 sx, u32 sy, u32 ex, u32 ey,
-        u32 color_fg)
-{
-    if(!(color_fg & 0x8000))
-    {
-//        drawbox(screen_addr, sx, sy, ex, ey, COLOR16(12, 12, 12));
-//        drawboxfill(screen_addr, sx+1, sy+1, ex-1, ey-1, color_fg);
-		show_icon(screen_addr, &ICON_MSG, (NDS_SCREEN_WIDTH - ICON_MSG.x) / 2, (NDS_SCREEN_HEIGHT - ICON_MSG.y) / 2);
-    }
-    else
-    {
-        u16 *screenp, *screenp1;
-        u32 width, height, i, k;
-        u32 tmp, tmp1, tmp2;
-        u32 r, g, b;
-
-        width= ex-sx;
-        height= ey-sy;
-        r= ((color_fg >> 10) & 0x1F) * 6/7;
-        g= ((color_fg >> 5) & 0x1F) * 6/7;
-        b= (color_fg & 0x1F) * 6/7;
-        for(k= 0; k < height; k++)
-        {
-            screenp = VRAM_POS(screen_addr, sx, sy+k);
-            screenp1 = screen_bg + sx + (sy + k) * SCREEN_PITCH;
-            for(i= 0; i < width; i++)
-            {
-                tmp = *screenp1++;
-                tmp1 = ((tmp >> 10) & 0x1F) *1/7 + r;
-                tmp2 = (tmp1 > 31) ? 31 : tmp1;
-                tmp1 = ((tmp >> 5) & 0x1F) *1/7 + g;
-                tmp2 = (tmp2 << 5) | ((tmp1 > 31) ? 31 : tmp1);
-                tmp1 = (tmp & 0x1F) *1/7 + b;
-                tmp2 = (tmp2 << 5) | ((tmp1 > 31) ? 31 : tmp1);
-                *screenp++ = tmp2;
-            }
-        }
-    }
-}
-
-/*
-*	Drawing string horizontal center aligned
-*/
-void draw_string_vcenter(void* screen_addr, u32 sx, u32 sy, u32 width, u32 color_fg, char *string)
-{
-    u32 x, num, i, m;
-    u16 *screenp;
-    u16 unicode[256];
-
-    num= 0;
-    while(*string)
-    {
-        string= utf8decode(string, unicode+num);
-        num++;
-    }
-
-    if(num== 0) return;
-
-    screenp = (unsigned short*)screen_addr + sx + sy*SCREEN_WIDTH;
-    i= 0;
-    while(i < num)
-    {
-        m= BDF_cut_unicode(&unicode[i], num-i, width, 1);
-        x= (width - BDF_cut_unicode(&unicode[i], m, 0, 3)) / 2;
-        while(m--)
-        {
-            x += BDF_render16_ucs(screenp+x, SCREEN_WIDTH, 0, COLOR_TRANS, 
-                color_fg, unicode[i++]);
-        }
-        if (i < num && (unicode[i] == 0x0D || unicode[i] == 0x0A))
-            i++;
-	else {
-            while (i < num && (unicode[i] == ' ')) i++;
-        }
-        screenp += FONTS_HEIGHT * SCREEN_WIDTH;
-    }
-}
-
-/*------------------------------------------------------
-	Drawing a scroll string
-------------------------------------------------------*/
-//limited
-// < 256 Unicodes
-// width < 256+128
-//#define MAX_SCROLL_STRING   8
-
-/*------------------------------------------------------
-- scroll_val    < 0     scroll toward left
--               > 0     scroll toward right
-------------------------------------------------------*/
-struct scroll_string_info{
-    u16     *screenp;
-    u32     sx;
-    u32     sy;
-    u32     width;
-    u32     height;
-    u16     *unicode;
-    u32     color_bg;
-    u32     color_fg;
-    u16     *buff_fonts;
-    u32     buff_width;
-    u16     *buff_bg;
-    s32     pos_pixel;
-    u32     str_start;
-    u32     str_end;
-    u32     str_len;
-};
-
-static struct scroll_string_info    scroll_strinfo[MAX_SCROLL_STRING];
-static u32  scroll_string_num= 0;
-
-/*
- * Initialises a text scroller to display a certain string.
- * Input assertions: sx + width < NDS_SCREEN_WIDTH &&
- *   sy + [text height] < NDS_SCREEN_HEIGHT && string != NULL &&
- *   screen_addr != NULL.
- * Input: 'screen_addr', the address of the upper-left corner of the screen.
- *        'sx' and 'sy', the X and Y coordinates of the upper-left corner of
- *          the text.
- *        'width', the width of the scroller's viewport.
- *        'color_bg', the RGB15 color of the background around the text, or
- *          COLOR_TRANS for transparency.
- *        'color_fg', the RGB15 color of the text.
- *        'string', the text to be scrolled, encoded as UTF-8.
- * Output: the scroller's handle, to be used to scroll the text in
- *   draw_hscroll.
- */
-u32 hscroll_init(void* screen_addr, u32 sx, u32 sy, u32 width, 
-        u32 color_bg, u32 color_fg, char *string)
-{
-    u32 index, x, textWidth, num, len, i;
-    u16 *unicode, *screenp;
-
-    // 1. Which scroller should we use for this request?
-    for(i= 0; i < MAX_SCROLL_STRING; i++)
-    {
-        if(scroll_strinfo[i].screenp == NULL)
-            break;
-    }
-
-    if(i >= MAX_SCROLL_STRING)
-        return -1;
-
-    index= i;
-
-    // 2. Convert to Unicode while calculating the width of the text.
-    unicode= (u16*)malloc(strlen(string)*sizeof(u16));
-    if(unicode == NULL)
-    {
-        scroll_strinfo[index].str_len = 0;
-        return -3;
-    }
-
-    num= 0;
-    textWidth = 0;
-    while(*string)
-    {
-        string= utf8decode(string, unicode+num);
-        if(unicode[num] != 0x0D && unicode[num] != 0x0A) {
-            textWidth += BDF_width16_ucs(unicode[num]);
-            num++;
-        }
-    }
-    if (textWidth < width)
-        textWidth = width;
-
-    // 3. Allocate a rectangle of pixels for drawing the entire text into.
-    screenp= (u16*)malloc(textWidth*FONTS_HEIGHT*sizeof(u16));
-    if(screenp == NULL)
-    {
-        scroll_strinfo[index].str_len = 0;
-        free((void*)unicode);
-        return -2;
-    }
-
-    if(color_bg == COLOR_TRANS)
-        memset(screenp, 0, textWidth*FONTS_HEIGHT*sizeof(u16));
-
-    scroll_string_num += 1;
-    scroll_strinfo[index].screenp = (unsigned short*)screen_addr;
-    scroll_strinfo[index].sx= sx;
-    scroll_strinfo[index].sy= sy;
-    scroll_strinfo[index].color_bg= color_bg;
-    scroll_strinfo[index].color_fg= color_fg;
-    scroll_strinfo[index].width= width;
-    scroll_strinfo[index].height= FONTS_HEIGHT;
-    scroll_strinfo[index].unicode= unicode;
-    scroll_strinfo[index].buff_fonts= screenp;
-    scroll_strinfo[index].buff_bg= 0;
-    scroll_strinfo[index].buff_width= textWidth;
-    scroll_strinfo[index].pos_pixel= 0;
-    scroll_strinfo[index].str_start= 0;
-    scroll_strinfo[index].str_end= len-1;
-
-    scroll_strinfo[index].str_len= num;
-    if(num == 0)
-        return index; // (1. Which scroller?)
-
-    // 4. Render text into the allocation.
-    i= 0;
-    x= 0;
-    while(i < num)
-    {
-        x += BDF_render16_ucs(screenp + x, textWidth, 0, color_bg, color_fg, unicode[i++]);
-    }
-
-    return index; // (1. Which scroller?)
-}
-
-u32 draw_hscroll_init(void* screen_addr, u32 sx, u32 sy, u32 width, 
-        u32 color_bg, u32 color_fg, char *string)
-{
-	u32 ret = hscroll_init(screen_addr, sx, sy, width, color_bg, color_fg, string);
-
-	draw_hscroll(ret, 0 /* stay on the left */);
-
-	return ret;
-}
-
-/*
- * Scrolls an initialised scroller's text.
- * A scroller is never allowed to go past the beginning of the text when
- * scrolling to the left, or to go past the end when scrolling to the right.
- * Input assertions: index was returned by a previous call to
- *   draw_hscroll_init and not used in a call to draw_hscroll_over.
- * Input: 'index', the scroller's handle.
- *        'scroll_val', the number of pixels to scroll. The sign affects the
- *          direction. If scroll_val > 0, the scroller's viewport is moved to
- *          the left; if < 0, the scroller's viewport is moved to the right.
- * Output: the number of pixels still available to scroll in the direction
- *   specified by the sign of 'scroll_val'.
- *
- * Example: (assume each letter is 1 pixel; this won't be true in reality)
- *           [some lengthy text shown in ]         |
- * val -5 -> |    [lengthy text shown in a scr]xxxxx -> to right, returns 5
- * val -5 -> |         [hy text shown in a scroller] -> to right, returns 0
- * val  3 -> xxxxxxx[ngthy text shown in a scrol]  | -> to left,  returns 7
- * val  3 -> xxxx[ lengthy text shown in a sc]     | -> to left,  returns 4
- */
-u32 draw_hscroll(u32 index, s32 scroll_val)
-{
-    u32 color_bg, color_fg, i, width, height;
-    s32 xoff;
-
-    if(index >= MAX_SCROLL_STRING) return -1;
-    if(scroll_strinfo[index].screenp == NULL) return -2;
-    if(scroll_strinfo[index].str_len == 0) return 0;
-    
-    width= scroll_strinfo[index].width;
-    height= scroll_strinfo[index].height;
-    color_bg= scroll_strinfo[index].color_bg;
-    color_fg= scroll_strinfo[index].color_fg;
-
-    // 1. Shift the scroller.
-    scroll_strinfo[index].pos_pixel -= scroll_val;
-    if (scroll_strinfo[index].pos_pixel < 0) // Reached the beginning
-        scroll_strinfo[index].pos_pixel = 0;
-    else if (scroll_strinfo[index].pos_pixel > scroll_strinfo[index].buff_width - width) // Reached the end
-        scroll_strinfo[index].pos_pixel = scroll_strinfo[index].buff_width - width;
-
-    // 2. Draw the scroller's text at its new position.
-    u32 x, sx, sy, pixel;
-    u16 *screenp, *screenp1;
-
-    sx= scroll_strinfo[index].sx;
-    sy= scroll_strinfo[index].sy;
-
-    if(color_bg == COLOR_TRANS)
-    {
-        for(i= 0; i < height; i++)
-        {
-            screenp= scroll_strinfo[index].screenp + sx + (sy + i) * SCREEN_WIDTH;
-            screenp1= scroll_strinfo[index].buff_fonts + scroll_strinfo[index].pos_pixel + i*scroll_strinfo[index].buff_width;
-            for(x= 0; x < width; x++)
-            {
-                pixel= *screenp1++;
-				if(pixel) *screenp = pixel;
-				screenp ++;
-            }
-        }
-    }
-    else
-    {
-        for(i= 0; i < height; i++)
-        {
-            screenp= scroll_strinfo[index].screenp + sx + (sy + i) * SCREEN_WIDTH;
-            screenp1= scroll_strinfo[index].buff_fonts + scroll_strinfo[index].pos_pixel + i*scroll_strinfo[index].buff_width;
-            for(x= 0; x < width; x++)
-                *screenp++ = *screenp1++;
-        }
-    }
-
-    // 3. Return how many more pixels we can scroll in the same direction.
-    if(scroll_val > 0)
-        // Scrolling to the left: Return the number of pixels we can still go
-        // to the left.
-        return scroll_strinfo[index].pos_pixel;
-    else
-        // Scrolling to the right: Return the number of pixels we can still go
-        // to the right.
-        return scroll_strinfo[index].buff_width - scroll_strinfo[index].pos_pixel - width;
-}
-
-void draw_hscroll_over(u32 index)
-{
-    if(scroll_strinfo[index].screenp== NULL)
-        return;
-
-    if(index < MAX_SCROLL_STRING && scroll_string_num > 0)
-    {
-        if(scroll_strinfo[index].unicode)
-        {
-            free((void*)scroll_strinfo[index].unicode);
-            scroll_strinfo[index].unicode= NULL;
-        }
-        if(scroll_strinfo[index].buff_fonts)
-        {
-            free((void*)scroll_strinfo[index].buff_fonts);
-            scroll_strinfo[index].buff_fonts= NULL;
-        }
-        scroll_strinfo[index].screenp= NULL;
-        scroll_strinfo[index].str_len= 0;
-    
-        scroll_string_num -=1;
-    }
-}
-
-/*
-*	Drawing dialog
-*/
-/*
-void draw_dialog(void* screen_addr, u32 sx, u32 sy, u32 ex, u32 ey)
-{
-	drawboxfill(screen_addr, sx + 5, sy + 5, ex + 5, ey + 5, COLOR_DIALOG_SHADOW);
-
-	drawhline(screen_addr, sx, ex - 1, sy, COLOR_FRAME);
-	drawvline(screen_addr, ex, sy, ey - 1, COLOR_FRAME);
-	drawhline(screen_addr, sx + 1, ex, ey, COLOR_FRAME);
-	drawvline(screen_addr, sx, sy + 1, ey, COLOR_FRAME);
-
-	sx++;
-	ex--;
-	sy++;
-	ey--;
-
-	drawhline(screen_addr, sx, ex - 1, sy, COLOR_FRAME);
-	drawvline(screen_addr, ex, sy, ey - 1, COLOR_FRAME);
-	drawhline(screen_addr, sx + 1, ex, ey, COLOR_FRAME);
-	drawvline(screen_addr, sx, sy + 1, ey, COLOR_FRAME);
-
-	sx++;
-	ex--;
-	sy++;
-	ey--;
-
-	drawboxfill(screen_addr, sx, sy, ex, ey, COLOR_DIALOG);
-}
-*/
-
-/*
-*	Draw yes or no dialog
-*/
-u32 draw_yesno_dialog(enum SCREEN_ID screen, u32 sy, char *yes, char *no)
-{
-    u16 unicode[8];
-    u32 len, width, box_width, i;
-    char *string;
-	void* screen_addr;
-
-    len= 0;
-    string= yes;
-    while(*string)
-    {
-        string= utf8decode(string, &unicode[len]);
-        if(unicode[len] != 0x0D && unicode[len] != 0x0A)
-        {
-            if(len < 8) len++;
-            else break;
-        }
-    }
-    width= BDF_cut_unicode(unicode, len, 0, 3);
-    
-    len= 0;
-    string= no;
-    while(*string)
-    {
-        string= utf8decode(string, &unicode[len]);
-        if(unicode[len] != 0x0D && unicode[len] != 0x0A)
-        {
-            if(len < 8) len++;
-            else    break;
-        }
-    }
-    i= BDF_cut_unicode(unicode, len, 0, 3);
-
-    if(width < i)   width= i;
-    box_width= 64;
-    if(box_width < (width +6)) box_width = width +6;
-
-	if(screen & UP_MASK)
-		screen_addr = up_screen_addr;
-	else
-		screen_addr = down_screen_addr;
-
-	sy = (NDS_SCREEN_HEIGHT + ICON_MSG.y) / 2 - 8 - ICON_BUTTON.y;
-
-	u32 left_sx = NDS_SCREEN_WIDTH / 2 - 8 - ICON_BUTTON.x,
-	    right_sx = NDS_SCREEN_WIDTH / 2 + 8;
-
-	show_icon((unsigned short*)screen_addr, &ICON_BUTTON, left_sx, sy);
-    draw_string_vcenter((unsigned short*)screen_addr, left_sx + 2, sy, ICON_BUTTON.x - 4, COLOR_WHITE, yes);
-
-	show_icon((unsigned short*)screen_addr, &ICON_BUTTON, right_sx, sy);
-    draw_string_vcenter((unsigned short*)screen_addr, right_sx + 2, sy, ICON_BUTTON.x - 4, COLOR_WHITE, no);
-
-	ds2_flipScreen(screen, 2);
-
-    gui_action_type gui_action = CURSOR_NONE;
-    while((gui_action != CURSOR_SELECT)  && (gui_action != CURSOR_BACK))
-    {
-        gui_action = get_gui_input();
-	if (gui_action == CURSOR_TOUCH)
-	{
-		struct key_buf inputdata;
-		ds2_getrawInput(&inputdata);
-		// Turn it into a SELECT (A) or BACK (B) if the button is touched.
-		if (inputdata.y >= sy && inputdata.y < sy + ICON_BUTTON.y)
-		{
-			if (inputdata.x >= left_sx && inputdata.x < left_sx + ICON_BUTTON.x)
-				gui_action = CURSOR_SELECT;
-			else if (inputdata.x >= right_sx && inputdata.x < right_sx + ICON_BUTTON.x)
-				gui_action = CURSOR_BACK;
-		}
-	}
-	mdelay(16);
-    }
-
-    if (gui_action == CURSOR_SELECT)
-        return 1;
-    else
-        return 0;
-}
-
-/*
-*	Draw hotkey dialog
-*	Returns DS keys pressed, as in ds2io.h.
-*/
-u32 draw_hotkey_dialog(enum SCREEN_ID screen, u32 sy, char *clear, char *cancel)
-{
-    u16 unicode[8];
-    u32 len, width, box_width, i;
-    char *string;
-	void* screen_addr;
-
-    len= 0;
-    string= clear;
-    while(*string)
-    {
-        string= utf8decode(string, &unicode[len]);
-        if(unicode[len] != 0x0D && unicode[len] != 0x0A)
-        {
-            if(len < 8) len++;
-            else break;
-        }
-    }
-    width= BDF_cut_unicode(unicode, len, 0, 3);
-    
-    len= 0;
-    string= cancel;
-    while(*string)
-    {
-        string= utf8decode(string, &unicode[len]);
-        if(unicode[len] != 0x0D && unicode[len] != 0x0A)
-        {
-            if(len < 8) len++;
-            else    break;
-        }
-    }
-    i= BDF_cut_unicode(unicode, len, 0, 3);
-
-    if(width < i)   width= i;
-    box_width= 64;
-    if(box_width < (width +6)) box_width = width +6;
-
-	if(screen & UP_MASK)
-		screen_addr = up_screen_addr;
-	else
-		screen_addr = down_screen_addr;
-
-    i= SCREEN_WIDTH/2 - box_width - 2;
-	show_icon((unsigned short*)screen_addr, &ICON_BUTTON, 49, 128);
-    draw_string_vcenter((unsigned short*)screen_addr, 51, 130, 73, COLOR_WHITE, clear);
-
-    i= SCREEN_WIDTH/2 + 3;
-	show_icon((unsigned short*)screen_addr, &ICON_BUTTON, 136, 128);
-    draw_string_vcenter((unsigned short*)screen_addr, 138, 130, 73, COLOR_WHITE, cancel);
-
-	ds2_flipScreen(screen, 2);
-
-	// This function has been started by a key press. Wait for it to end.
-	struct key_buf inputdata;
-	do {
-		mdelay(1);
-		ds2_getrawInput(&inputdata);
-	} while (inputdata.key != 0);
-
-	// While there are no keys pressed, wait for keys.
-	do {
-		mdelay(1);
-		ds2_getrawInput(&inputdata);
-	} while (inputdata.key == 0);
-
-	// Now, while there are keys pressed, keep a tally of keys that have
-	// been pressed. (IGNORE TOUCH AND LID! Otherwise, closing the lid or
-	// touching to get to the menu will do stuff the user doesn't expect.)
-	u32 TotalKeys = 0;
-
-	do {
-		TotalKeys |= inputdata.key & ~(KEY_TOUCH | KEY_LID);
-		// If there's a touch on either button, turn it into a
-		// clear (A) or cancel (B) request.
-		if (inputdata.key & KEY_TOUCH)
-		{
-			if (inputdata.y >= 128 && inputdata.y < 128 + ICON_BUTTON.y)
-			{
-				if (inputdata.x >= 49 && inputdata.x < 49 + ICON_BUTTON.x)
-					return KEY_A;
-				else if (inputdata.x >= 136 && inputdata.x < 136 + ICON_BUTTON.x)
-					return KEY_B;
-			}
-		}
-		mdelay(1);
-		ds2_getrawInput(&inputdata);
-	} while (inputdata.key != 0 || TotalKeys == 0);
-
-	return TotalKeys;
-}
-
-/*
-*	Drawing scroll bar
-*/
-#define SCROLLBAR_COLOR1 COLOR16( 0, 2, 8)
-#define SCROLLBAR_COLOR2 COLOR16(15,15,15)
-
-void scrollbar(void* screen_addr, u32 sx, u32 sy, u32 ex, u32 ey, u32 all, u32 view, u32 now)
-{
-	u32 scrollbar_sy;
-	u32 scrollbar_ey;
-	u32 len;
-
-	len = ey - sy - 2;
-
-	if ((all != 0) && (all > now))
-		scrollbar_sy = (u32)((float)len * (float)now / (float)all) +sy + 1;
-	else
-		scrollbar_sy = sy + 1;
-
-	if ((all > (now + view)) && (all != 0))
-		scrollbar_ey = (u32)((float)len * (float)(now + view) / (float)all ) + sy + 1;
-	else
-		scrollbar_ey = len + sy + 1;
-
-	drawbox(screen_addr, sx, sy, ex, ey, COLOR_BLACK);
-	drawboxfill(screen_addr, sx + 1, sy + 1, ex - 1, ey - 1, SCROLLBAR_COLOR1);
-	drawboxfill(screen_addr, sx + 1, scrollbar_sy, ex - 1, scrollbar_ey, SCROLLBAR_COLOR2);
-}
-
-#if 0
-static struct background back_ground = {{0}, {0}};
-
-int show_background(void *screen, char *bgname)
-{
-    int ret;
-
-    if(strcasecmp(bgname, back_ground.bgname))
-    {
-        char *buff, *src;
-        int x, y;        
-        unsigned short *dst;
-		unsigned int type;
-
-        buff= (char*)malloc(256*192*4);
-
-        ret= BMP_read(bgname, buff, 256, 192, &type);
-        if(ret != BMP_OK)
-        {
-            free((intptr_t)buff);
-            return(-1);
-        }
-
-        src = buff;
-
-		if(type ==2)		//2 bytes per pixel
-		{
-			unsigned short *pt;
-			pt = (unsigned short*)buff;
-//			memcpy((char*)back_ground.bgbuffer, buff, 256*192*2);
-			dst=(unsigned short*)back_ground.bgbuffer;
-	        for(y= 0; y< 192; y++)
-	        {
-    	        for(x= 0; x< 256; x++)
-    	        {
-    	            *dst++= RGB16_15(pt);
-    	            pt += 1;
-    	        }
-    	    }
-		}
-		else if(type ==3)	//3 bytes per pixel
-		{
-			dst=(unsigned short*)back_ground.bgbuffer;
-	        for(y= 0; y< 192; y++)
-	        {
-    	        for(x= 0; x< 256; x++)
-    	        {
-    	            *dst++= RGB24_15(buff);
-    	            buff += 3;
-    	        }
-    	    }
-		}
-		else
-		{
-            free((intptr_t)buff);
-            return(-1);
-		}
-
-        free((intptr_t)src);
-        strcpy(back_ground.bgname, bgname);
-    }
-
-    memcpy((char*)screen, back_ground.bgbuffer, 256*192*2);
-
-    return 0;    
-}
-#endif
-
-/*
-*	change GUI icon
-*/
-int gui_change_icon(u32 language_id)
-{
-    char path[128];
-    char fpath[8];
-    u32  i, item;
-    int err, ret; 
-    char *buff, *src;
-    u32 x, y;
-    char *icondst;
-	unsigned int type;
-
-    item= sizeof(gui_icon_list)/16;
-    buff= (char*)malloc(256*192*4);
-    if(buff == NULL)
-        return -1;
-
-    ret= 0;
-    icondst= gui_picture;
-
-    sprintf(fpath, "%d.bmp", language_id);
-    for(i= 0; i< item; i++)
-    {
-        sprintf(path, "%s/%s/%s%s", main_path, GUI_SOURCE_PATH, gui_icon_list[i].iconname, fpath);
-
-	    src= buff; 
-        err= BMP_read(path, src, gui_icon_list[i].x, gui_icon_list[i].y, &type);
-        if(err != BMP_OK)
-        {
-            sprintf(path, "%s/%s/%s%s", main_path, GUI_SOURCE_PATH, gui_icon_list[i].iconname, ".bmp");
-            err= BMP_read(path, src, gui_icon_list[i].x, gui_icon_list[i].y, &type);
-        }
-
-		if(type < 2)	//< 1 byte per pixels, not surpport now
-		{
-            if(!ret) ret = -(i+1);
-            gui_icon_list[i].iconbuff= NULL;
-			continue;
-		}
-
-        if(err == BMP_OK)
-        {
-            unsigned short *dst;
-
-            if(icondst >= gui_picture + GUI_PIC_BUFSIZE -1)
-            {
-                ret = 1;
-                break;
-            }
-
-			if(type == 2)
-			{
-				unsigned short *pt;
-				pt = (unsigned short*)src;
-//				memcpy((char*)icondst, src, 256*192*2);
-				dst = (unsigned short*)icondst;
-    	        for(y= 0; y< gui_icon_list[i].y; y++)
-    	        {
-    	            for(x= 0; x < gui_icon_list[i].x; x++)
-    	            {
-    	                *dst++ = RGB16_15(pt);
-    	                pt += 1;
-    	            }
-	            }
-			}
-
-			if(type == 3)
-			{
-				dst = (unsigned short*)icondst;
-    	        for(y= 0; y< gui_icon_list[i].y; y++)
-    	        {
-    	            for(x= 0; x < gui_icon_list[i].x; x++)
-    	            {
-    	                *dst++ = RGB24_15(src);
-    	                src += 3;
-    	            }
-	            }
-            }
-
-            gui_icon_list[i].iconbuff= icondst;
-            icondst += gui_icon_list[i].x*gui_icon_list[i].y*2;
-        }
-        else
-        {
-            if(!ret) ret = -(i+1);
-            gui_icon_list[i].iconbuff= NULL;
-        }
-    }
-
-    free((void*)buff);
-//printf("icon_buf: %08x\n", icondst - gui_picture );
-    return ret;
-}
-
-/*************************************************************/
-int icon_init(u32 language_id)
-{
-    u32  i;
-    int ret;
-
-//Initial draw_scroll_string function
-    scroll_string_num = 0;
-    for(i= 0; i < MAX_SCROLL_STRING; i++)
-    {
-        scroll_strinfo[i].unicode= NULL;
-        scroll_strinfo[i].buff_fonts= NULL;
-        scroll_strinfo[i].screenp = NULL;
-        scroll_strinfo[i].str_len = 0;
-    }
-
-    ret= gui_change_icon(language_id);
-
-//#define GUI_INIT_DEBUG
-#if 0
-    item= sizeof(gui_icon_list)/12;
-    buff= (char*)malloc(256*192*4);
-    src= buff;
-    ret= 0;
-    icondst= gui_picture;
-
-    for(i= 0; i< item; i++)
-    {
-        sprintf(path, "%s\\%s", GUI_SOURCE_PATH, gui_icon_list[i].iconname);
-        
-        err= BMP_read(path, buff, gui_icon_list[i].x, gui_icon_list[i].y);
-        if(err == BMP_OK)
-        {
-            unsigned short *dst;
-            
-            if(icondst >= gui_picture + GUI_PIC_BUFSIZE -1)
-            {
-                ret = 1;
-#ifdef GUI_INIT_DEBUG
-                printf("GUI Initial overflow\n");
-#endif
-                break;
-            }
-
-            for(y= 0; y< gui_icon_list[i].y; y++)
-            {
-                dst= (unsigned short*)(icondst + (gui_icon_list[i].y - y -1)*gui_icon_list[i].x*2);
-                for(x= 0; x < gui_icon_list[i].x; x++)
-                {
-                    *dst++ = RGB24_15(buff);
-                    buff += 4;
-                }
-            }                
-            
-            gui_icon_list[i].iconname= icondst;
-            icondst += gui_icon_list[i].x*gui_icon_list[i].y*2;
-        }
-        else
-        if(!ret)
-        {
-            ret = -(i+1);
-            gui_icon_list[i].iconname= NULL;
-#ifdef GUI_INIT_DEBUG
-            printf("GUI Initial: %s not open\n", path);
-#endif
-        }
-    }
-
-#ifdef GUI_INIT_DEBUG
-    printf("GUI buff %d\n", icondst - gui_picture);
-#endif
-
-    free((intptr_t)src);
-#endif
-
-    return ret;
-}
-
-int color_init()
-{
-	char path[MAX_PATH];
-	char current_line[256];
-        sprintf(path, "%s/%s/%s", main_path, GUI_SOURCE_PATH, "uicolors.txt");
-	FILE* fp = fopen(path, "r");
-	if (fp != NULL)
-	{
-		while(fgets(current_line, 256, fp))
-		{
-			char* colon = strchr(current_line, ':');
-			if (colon)
-			{
-				*colon = '\0';
-				u16* color = NULL;
-				if (strcasecmp(current_line, "Background") == 0)
-					color = &COLOR_BG;
-				else if (strcasecmp(current_line, "ActiveItem") == 0)
-					color = &COLOR_ACTIVE_ITEM;
-				else if (strcasecmp(current_line, "InactiveItem") == 0)
-					color = &COLOR_INACTIVE_ITEM;
-				else if (strcasecmp(current_line, "MessageText") == 0)
-					color = &COLOR_MSSG;
-				else if (strcasecmp(current_line, "ActiveMain") == 0)
-					color = &COLOR_ACTIVE_MAIN;
-				else if (strcasecmp(current_line, "InactiveMain") == 0)
-					color = &COLOR_INACTIVE_MAIN;
-
-				if (color != NULL)
-				{
-					char* end = strchr(colon + 1, '\0') - 1;
-					while (*end && (*end == '\r' || *end == '\n'))
-						*end-- = '\0';
-					char* ptr = colon + 1;
-					while (*ptr && *ptr == ' ')
-						ptr++;
-					u32 color32;
-					u8  r, g, b;
-					if (strlen(ptr) == 7 && *ptr == '#')
-					{
-						color32 = strtol(ptr + 1, NULL, 16);
-						r = (color32 >> 16) & 0xFF;
-						g = (color32 >>  8) & 0xFF;
-						b =  color32        & 0xFF;
-						*color = COLOR16(r >> 3, g >> 3, b >> 3);
-					}
-				}
-			}
-		}
-		fclose(fp);
-		return 0;
-	}
-	else
-		return 1;
-}
-
-/*************************************************************/
-void show_icon(void* screen, struct gui_iconlist* icon, u32 x, u32 y)
-{
-    u32 i, k;
-    unsigned short *src, *dst;
-
-    src= (unsigned short*)icon->iconbuff;
-    dst = (unsigned short*)screen + y*NDS_SCREEN_WIDTH + x;
-	if(NULL == src) return;	//The icon may initialized failure
-
-	if (icon->x == NDS_SCREEN_WIDTH && icon->y == NDS_SCREEN_HEIGHT && x == 0 && y == 0)
-	{
-		// Don't support transparency for a background.
-		memcpy(dst, src, NDS_SCREEN_WIDTH * NDS_SCREEN_HEIGHT * sizeof(u16));
-	}
-	else
-	{
-		for(i= 0; i < icon->y; i++)
-		{
-			for(k= 0; k < icon->x; k++)
-			{
-				if(0x03E0 != *src) dst[k]= *src;
-				src++;
-			}
-
-			dst += NDS_SCREEN_WIDTH;
-		}
-	}
-}
-
-/*************************************************************/
-void show_Vscrollbar(char *screen, u32 x, u32 y, u32 part, u32 total)
-{
-//    show_icon((u16*)screen, ICON_VSCROL_UPAROW, x+235, y+55);
-//    show_icon((u16*)screen, ICON_VSCROL_DWAROW, x+235, y+167);
-//    show_icon((u16*)screen, ICON_VSCROL_SLIDER, x+239, y+64);
-//    if(total <= 1)
-//        show_icon((u16*)screen, ICON_VSCROL_BAR, x+236, y+64);
-//    else
-//        show_icon((u16*)screen, ICON_VSCROL_BAR, x+236, y+64+(part*90)/(total-1));
-}
-
-/*
-*	display a log
-*/
-void show_log(void* screen_addr)
-{
-    char tmp_path[MAX_PATH];
-	char *buff;
-	int x, y;        
-	unsigned short *dst;
-	unsigned int type;
-	int ret;
-
-    sprintf(tmp_path, "%s/%s", main_path, BOOTLOGO);
-	buff= (char*)malloc(256*192*4);
-
-	ret= BMP_read(tmp_path, buff, 256, 192, &type);
-	if(ret != BMP_OK)
-	{
-		free((void*)buff);
-		return;
-	}
-
-	if(type ==2)		//2 bytes per pixel
-	{
-		unsigned short *pt;
-		pt = (unsigned short*)buff;
-		dst=(unsigned short*)screen_addr;
-		for(y= 0; y< 192; y++)
-		{
-			for(x= 0; x< 256; x++)
-			{
-				*dst++= RGB16_15(pt);
-				pt += 1;
-			}
-		}
-	}
-	else if(type ==3)	//3 bytes per pixel
-	{
-		unsigned char *pt;
-		pt = (unsigned char*)buff;
-		dst=(unsigned short*)screen_addr;
-		for(y= 0; y< 192; y++)
-		{
-			for(x= 0; x< 256; x++)
-			{
-				*dst++= RGB24_15(pt);
-				pt += 3;
-			}
-		}
-	}
-
-	free((void*)buff);
-}
-
-/*************************************************************/
-void err_msg(enum SCREEN_ID screen, char *msg)
-{
-	// A wild console appeared!
-	ConsoleInit(RGB15(31, 31, 31), RGB15(0, 0, 0), UP_SCREEN, 2);
-	printf(msg);
-}
-
-/*
-*	Copy screen
-*/
-void copy_screen(void* to, void *from, u32 x, u32 y, u32 w, u32 h)
-{
-	u32 yy;
-	unsigned short *src, *dst;
-
-	//not check argument
-	src = (unsigned short*)from;
-	dst = (unsigned short*)to;
-
-	src += y*256+x;
-	dst += y*256+x;
-    for(yy= 0; yy < h; yy++)
-    {
-		memcpy((void*)dst, (void*)src, w*2);
-		src += 256;
-		dst += 256;
-    }
-}
-
-/*
-*
-*/
-void blit_to_screen(void* screen_addr, u16 *src, u32 w, u32 h, u32 dest_x, u32 dest_y)
-{
-    u32 x, y;
-    u16 *dst;
-    u16 *screenp;
-
-    if(w > NDS_SCREEN_WIDTH) w= NDS_SCREEN_WIDTH;
-    if(h > NDS_SCREEN_HEIGHT) h= NDS_SCREEN_HEIGHT;
-    if(dest_x == -1)    //align center
-        dest_x= (NDS_SCREEN_WIDTH - w)/2;
-    if(dest_y == -1)
-        dest_y= (NDS_SCREEN_HEIGHT - h)/2;
-
-    screenp= (unsigned short*)screen_addr -16*256 -8;
-    for(y= 0; y < h; y++)
-    {
-        dst= screenp + (y+dest_y)*256 + dest_x;
-        for(x= 0; x < w; x++)
-            *dst++ = *src++;
-    }
-}
diff --git a/source/nds/draw.h b/source/nds/draw.h
deleted file mode 100644
index 473fc30..0000000
--- a/source/nds/draw.h
+++ /dev/null
@@ -1,207 +0,0 @@
-/* draw.h
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __DRAW_H__
-#define __DRAW_H__
-
-//#include "ds2_types.h"
-//#include "ds2io.h"
-#include <psptypes.h>
-
-#include "bdf_font.h"
-
-#define NDS_SCREEN_WIDTH 256
-#define NDS_SCREEN_HEIGHT 192
-#define NDS_SCREEN_SIZE	(NDS_SCREEN_WIDTH*NDS_SCREEN_HEIGHT)
-
-#define COLOR16(red, green, blue) ((blue << 10) | (green << 5) | red)
-#define GET_R16(color) (color & 0x1f)
-#define GET_G16(color) ((color >> 5) & 0x1f)
-#define GET_B16(color) ((color >> 10)& 0x1f)
-#define COLOR32(red, green, blue) (0xff000000 | ((blue & 0xff) << 16) | ((green & 0xff) << 8) | (red & 0xff))
-
-#define RGB24_15(pixel) ((((*pixel) & 0xF8) << 7) |\
-                        (((*(pixel+1)) & 0xF8) << 2) |\
-                        (((*(pixel+2)) & 0xF8)>>3))
-
-#define RGB16_15(pixel) ((((*pixel)>>10) & 0x1F) |\
-						(((*pixel) & 0x1F) << 10) |\
-						((*pixel) & 0x83E0))
-
-
-#define PRINT_STRING(screen, str, fg_color, x, y)							   \
-  BDF_render_mix(screen, SCREEN_WIDTH, x, y, 0, COLOR_TRANS, fg_color, str)				   \
-
-#define PRINT_STRING_SHADOW(screen, str, fg_color, x, y)                       \
-  BDF_render_mix(screen, SCREEN_WIDTH, x+1, y+1, 0, 0, 0, str);             				   \
-  BDF_render_mix(screen, SCREEN_WIDTH, x, y, 0, 0, 0, str)                  				   \
-
-#define PRINT_STRING_BG(screen, str, fg_color, bg_color, x, y)                 \
-  BDF_render_mix(screen, SCREEN_WIDTH, x, y, 0, bg_color, fg_color, str)					   \
-
-// #define PRINT_STRING_BG_UTF8(screen, utf8, fg_color, bg_color, x, y)           \
-//   BDF_render_mix(screen, SCREEN_WIDTH, x, y, 0, bg_color, fg_color, utf8)	   \
-
-
-//colors
-#define COLOR_TRANS         COLOR16(31, 31, 63)
-#define COLOR_WHITE         COLOR16(31, 31, 31)
-#define COLOR_BLACK         COLOR16( 0,  0,  0)
-//#define COLOR_TEXT          COLOR16(31, 31, 31)
-//#define COLOR_PROGRESS_TEXT COLOR16( 0,  0,  0)
-//#define COLOR_PROGRESS_BAR  COLOR16(15, 15, 15)
-//#define COLOR_ERROR         COLOR16(31,  0,  0)
-//#define COLOR_BG            COLOR16(2,  4,  10)
-//#define COLOR_BG32          COLOR32(2*8,  4*8,  10*8)
-//#define COLOR_ROM_INFO      COLOR16(22, 18, 26)
-//#define COLOR_HELP_TEXT     COLOR16(16, 20, 24)
-//#define COLOR_DIALOG        COLOR16(31, 31, 31)
-//#define COLOR_DIALOG_SHADOW COLOR16( 0,  2,  8)
-//#define COLOR_FRAME         COLOR16( 0,  0,  0)
-//#define COLOR_YESNO_TEXT    COLOR16( 0,  0,  0)
-//#define COLOR_GREEN         COLOR16( 0, 31, 0 )
-//#define COLOR_GREEN1        COLOR16( 0, 24, 0 )
-//#define COLOR_GREEN2        COLOR16( 0, 18, 0 )
-//#define COLOR_GREEN3        COLOR16( 0, 12, 0 )
-//#define COLOR_GREEN4        COLOR16( 0, 6, 0 )
-//#define COLOR_RED           COLOR16( 31, 0, 0 )
-//#define COLOR_MSSG			COLOR16( 16, 8, 29)
-/******************************************************************************
- *
- ******************************************************************************/
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-extern u16 COLOR_BG;
-extern u16 COLOR_INACTIVE_ITEM;
-extern u16 COLOR_ACTIVE_ITEM;
-extern u16 COLOR_MSSG;
-extern u16 COLOR_INACTIVE_MAIN;
-extern u16 COLOR_ACTIVE_MAIN;
-
-struct background{
-    char bgname[128];
-    char bgbuffer[256*192*2];
-};
-
-struct gui_iconlist{
-    const char *iconname;     //icon name
-    u32 x;                    //picture size
-    u32 y;
-    char *iconbuff;
-};
-
-//extern struct background back_ground;
-extern struct gui_iconlist gui_icon_list[];
-
-#define ICON_ZIPFILE        gui_icon_list[0]
-#define ICON_DIRECTORY      gui_icon_list[1]
-#define ICON_SFCFILE		gui_icon_list[2]
-#define ICON_TITLE			gui_icon_list[3]
-
-#define ICON_AVO			gui_icon_list[4]
-#define ICON_SAVO			gui_icon_list[5]
-#define ICON_TOOL			gui_icon_list[6]
-#define ICON_CHEAT			gui_icon_list[7]
-#define ICON_OTHER			gui_icon_list[8]
-#define ICON_EXIT			gui_icon_list[9]
-#define ICON_MSEL			gui_icon_list[10]
-#define ICON_MNSEL			gui_icon_list[11]
-#define ICON_NAVO			gui_icon_list[12]
-#define ICON_NSAVO			gui_icon_list[13]
-#define ICON_NTOOL			gui_icon_list[14]
-#define ICON_NCHEAT			gui_icon_list[15]
-#define ICON_NOTHER			gui_icon_list[16]
-#define ICON_NEXIT			gui_icon_list[17]
-
-#define ICON_UNKNOW			gui_icon_list[18]
-#define ICON_MAINITEM			gui_icon_list[19]
-#define ICON_NMAINITEM			gui_icon_list[20]
-#define ICON_MAINBG			gui_icon_list[21]
-
-#define ICON_TITLEICON		gui_icon_list[22]
-#define ICON_SUBBG			gui_icon_list[23]
-
-#define ICON_SUBSELA		gui_icon_list[24]
-#define ICON_STATEFULL		gui_icon_list[25]
-#define ICON_NSTATEFULL		gui_icon_list[26]
-#define ICON_STATEEMPTY		gui_icon_list[27]
-#define ICON_NSTATEEMPTY	gui_icon_list[28]
-#define ICON_DOTDIR			gui_icon_list[29]
-#define ICON_BACK			gui_icon_list[30]
-#define ICON_NBACK			gui_icon_list[31]
-#define ICON_CHTFILE		gui_icon_list[32]
-#define ICON_MSG			gui_icon_list[33]
-#define ICON_BUTTON			gui_icon_list[34]
-
-/******************************************************************************
- *
- ******************************************************************************/
-extern void print_string_center(void* screen_addr, u32 sy, u32 color, u32 bg_color, char *str);
-extern void print_string_shadow_center(void* screen_addr, u32 sy, u32 color, char *str);
-extern void hline(u32 sx, u32 ex, u32 y, u32 color);
-extern void hline_alpha(u32 sx, u32 ex, u32 y, u32 color, u32 alpha);
-extern void vline(u32 x, u32 sy, u32 ey, u32 color);
-extern void vline_alpha(u32 x, u32 sy, u32 ey, u32 color, u32 alpha);
-extern void drawbox(void* screen_address, u32 sx, u32 sy, u32 ex, u32 ey, u32 color);
-extern void drawboxfill(void* screen_address, u32 sx, u32 sy, u32 ex, u32 ey, u32 color);
-extern void draw_selitem(void* screen_address, u32 x, u32 y, u32 color, u32 active);
-extern void draw_message(void* screen_address, u16 *screen_bg, u32 sx, u32 sy, u32 ex, u32 ey,
-                u32 color_fg);
-extern void draw_string_vcenter(void* screen_address, u32 sx, u32 sy, u32 width, 
-        u32 color_fg, char *string);
-
-#define MAX_SCROLL_STRING   16
-extern u32 hscroll_init(void* screen_address, u32 sx, u32 sy, u32 width, 
-        u32 color_bg, u32 color_fg, char *string);
-extern u32 draw_hscroll_init(void* screen_address, u32 sx, u32 sy, u32 width, 
-        u32 color_bg, u32 color_fg, char *string);
-extern u32 draw_hscroll(u32 index, s32 scroll_val);
-extern void draw_hscroll_over(u32 index);
-extern void boxfill_alpha(u32 sx, u32 sy, u32 ex, u32 ey, u32 color, u32 alpha);
-extern void scrollbar(void* screen_addr, u32 sx, u32 sy, u32 ex, u32 ey, u32 all, u32 view, u32 now);
-extern u32 yesno_dialog(char *text);
-//extern u32 draw_yesno_dialog(enum SCREEN_ID screen, u32 sy, char *yes, char *no);
-//extern u32 draw_hotkey_dialog(enum SCREEN_ID screen, u32 sy, char *clear, char *cancel);
-extern void msg_screen_init(const char *title);
-extern void msg_screen_draw();
-extern void msg_printf(const char *text, ...);
-extern void msg_screen_clear(void);
-extern void msg_set_text_color(u32 color);
-
-extern int icon_init(u32 language_id);
-extern int color_init(void);
-extern int gui_change_icon(u32 language_id);
-extern int show_background(void *screen, char *bgname);
-extern void show_icon(void* screen, struct gui_iconlist *icon, u32 x, u32 y);
-extern void show_Vscrollbar(char *screen, u32 x, u32 y, u32 part, u32 total);
-
-extern void show_log(void* screen_addr);
-extern void err_msg(enum SCREEN_ID screen, char *msg);
-
-extern void copy_screen(void* to, void *from, u32 x, u32 y, u32 w, u32 h);
-extern void blit_to_screen(void* screen_addr, u16 *src, u32 w, u32 h, u32 dest_x, u32 dest_y);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif //__DRAW_H__
-
diff --git a/source/nds/ds2_main.c b/source/nds/ds2_main.c
deleted file mode 100644
index af81df3..0000000
--- a/source/nds/ds2_main.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/* ds2_main.c
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "port.h"
-
-#include <stdio.h>
-#include "console.h"
-#include "fs_api.h"
-#include "ds2io.h"
-#include "ds2_cpu.h"
-#include "ds2_timer.h"
-#include "ds2_malloc.h"
-#include "ds2sound.h"
-#include "gui.h"
-
-#define BLACK_COLOR		RGB15(0, 0, 0)
-#define WHITE_COLOR		RGB15(31, 31, 31)
-
-extern int sfc_main (int argc, char **argv);
-
-#if 0
-void ddump_mem(unsigned char* addr, unsigned int len)
-{
-	unsigned int i;
-
-	for(i= 0; i < len; i++)
-	{
-		if(i%16 == 0) cprintf("\n%08x: ", i);
-		cprintf("%02x ", addr[i]);
-	}
-}
-#endif
-
-void ds2_main(void)
-{
-	int err;
-	HighFrequencyCPU();
-	//Initial video and audio and other input and output
-	err = ds2io_initb(DS2_BUFFER_SIZE, SND_SAMPLE_RATE, 0, 0);
-	if(err) goto _failure;
-
-	//Initial file system
-	err = fat_init();
-	if(err) goto _failure;
-
-	//go to user main funtion
-	sfc_main (0, 0);
-
-_failure:
-	ds2_plug_exit();
-}
-
diff --git a/source/nds/ds2sound.h b/source/nds/ds2sound.h
deleted file mode 100644
index 8c0e2bf..0000000
--- a/source/nds/ds2sound.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// The sound buffer sizes used on the DS2's side, for each value of
-// Settings.SoundPlaybackRate.
-// * Don't buffer too much, otherwise audio is delayed from video.
-// * Don't go below one frame (20 milliseconds).
-// * Buffer sizes must be multiples of 128.
-#define DS2_BUFFER_SIZE_4  512 /* tested working */
-#define DS2_BUFFER_SIZE_5  640 /* like the SNES! tested working */
-#define DS2_BUFFER_SIZE_6  896 /* tested working */
-#define DS2_BUFFER_SIZE_7 1024 /* tested working */
-
-// The sampling rate for the sound, in Hz, for each value of
-// Settings.SoundPlaybackRate.
-#define SND_SAMPLE_RATE_1 8000
-#define SND_SAMPLE_RATE_2 11025
-#define SND_SAMPLE_RATE_3 16000
-#define SND_SAMPLE_RATE_4 22050 /* NDSSFC 1.06 - CATSFC 1.28 used this one */
-#define SND_SAMPLE_RATE_5 32000 /* like the SNES! */
-#define SND_SAMPLE_RATE_6 44100
-#define SND_SAMPLE_RATE_7 48000 /* CATSFC 1.25 made using this one possible */
-
-// Settings in use. The number should match in all three settings.
-#define DS2_BUFFER_SIZE   DS2_BUFFER_SIZE_5
-#define SND_SAMPLE_RATE   SND_SAMPLE_RATE_5
-#define SNES9X_SRATE_ID   5
diff --git a/source/nds/entry.cpp b/source/nds/entry.cpp
deleted file mode 100644
index a6c1f7d..0000000
--- a/source/nds/entry.cpp
+++ /dev/null
@@ -1,1595 +0,0 @@
-//entry.c
-#include <stdio.h>
-
-//#include "ds2_types.h"
-//#include "ds2_cpu.h"
-//#include "ds2_timer.h"
-//#include "ds2io.h"
-//#include "fs_api.h"
-
-#include "snes9x.h"
-#include "soundux.h"
-#include "memmap.h"
-#include "apu.h"
-#include "cheats.h"
-#include "snapshot.h"
-#include "display.h"
-#include "gfx.h"
-#include "cpuexec.h"
-#include "spc7110.h"
-
-#include "draw.h"
-#include "gui.h"
-#include "entry.h"
-#include "ds2sound.h"
-
-#ifdef DS2_DMA
-#include "ds2_dma.h"
-#include "dma_adj.h"
-#endif
-
-void S9xProcessSound (unsigned int);
-
-char *rom_filename = NULL;
-char *SDD1_pack = NULL;
-
-/*
- * It is only safe to manipulate saved states between frames.
- */
-static bool8 LoadStateNeeded = FALSE;
-static bool8 SaveStateNeeded = FALSE;
-
-static u8 Buf[MAX_BUFFER_SIZE];
-
-#define FIXED_POINT 0x10000
-#define FIXED_POINT_SHIFT 16
-#define FIXED_POINT_REMAINDER 0xffff
-
-void S9xMessage (int /*type*/, int /*number*/, const char *message)
-{
-#if 1
-#define MAX_MESSAGE_LEN (36 * 3)
-
-    static char buffer [MAX_MESSAGE_LEN + 1];
-
-    printf ("%s\n", message);
-    strncpy (buffer, message, MAX_MESSAGE_LEN);
-    buffer [MAX_MESSAGE_LEN] = 0;
-    S9xSetInfoString (buffer);
-#endif
-}
-
-void S9xExtraUsage ()
-{
-    /*empty*/
-}
-
-/*
-*   Release display device
-*/
-void S9xDeinitDisplay (void)
-{
-#ifdef DS2_DMA
-    if(GFX.Screen) AlignedFree(GFX.Screen, PtrAdj.GFXScreen);
-#else
-    if(GFX.Screen) free(GFX.Screen);
-#endif
-    if(GFX.SubScreen) free(GFX.SubScreen);
-    if(GFX.ZBuffer) free(GFX.ZBuffer);
-    if(GFX.SubZBuffer) free(GFX.SubZBuffer);
-}
-
-void S9xInitDisplay (int, char **)
-{
-    int h = IMAGE_HEIGHT;
-
-	GFX.Pitch = IMAGE_WIDTH * 2;
-#ifdef DS2_DMA
-	GFX.Screen =    (unsigned char*) AlignedMalloc (GFX.Pitch * h, 32, &PtrAdj.GFXScreen);
-#else
-	GFX.Screen =	(unsigned char*) malloc (GFX.Pitch * h);
-#endif
-	GFX.SubScreen = (unsigned char*) malloc (GFX.Pitch * h);
-	GFX.ZBuffer = 	(unsigned char*) malloc ((GFX.Pitch >> 1) * h);
-	GFX.SubZBuffer =(unsigned char*) malloc ((GFX.Pitch >> 1) * h);
-	GFX.Delta = (GFX.SubScreen - GFX.Screen) >> 1;
-}
-
-void S9xParseArg (char **argv, int &i, int argc)
-{
-}
-
-void S9xParseDisplayArg (char **argv, int &ind, int)
-{
-}
-
-void S9xExit ()
-{
-  HighFrequencyCPU(); // Crank it up to exit quickly
-  if(Settings.SPC7110)
-    (*CleanUp7110)();
-
-	S9xSetSoundMute (TRUE);
-    S9xDeinitDisplay ();
-    Memory.SaveSRAM (S9xGetFilename (".srm"));
-    // S9xSaveCheatFile (S9xGetFilename (".chb")); // cheat binary file
-	// Do this when loading a cheat file!
-    Memory.Deinit ();
-    S9xDeinitAPU ();
-
-#ifdef _NETPLAY_SUPPORT
-    if (Settings.NetPlay)
-	S9xNetPlayDisconnect ();
-#endif
-
-	exit(0);
-}
-
-const char *S9xBasename (const char *f)
-{
-    const char *p;
-    if ((p = strrchr (f, '/')) != NULL || (p = strrchr (f, '\\')) != NULL)
-	return (p + 1);
-
-    return (f);
-}
-
-bool8 S9xInitUpdate ()
-{
-    return (TRUE);
-}
-
-
-extern void NDSSFCDrawFrameAntialiased(void* screen_addr);
-	
-
-bool8 S9xDeinitUpdate (int Width, int Height, bool8 /*sixteen_bit*/)
-{
-	void* screen_addr = emu_config.BottomScreenGame
-		? down_screen_addr
-		: up_screen_addr;
-	SCREEN_ID screen_num = emu_config.BottomScreenGame
-		? DOWN_SCREEN
-		: UP_SCREEN;
-
-	switch(game_config.graphic)
-	{
-		//Up
-		case 1:
-#ifdef DS2_DMA
-			__dcache_writeback_all();
-			ds2_DMAcopy_32Byte(1 /* channel: graphics */, screen_addr, GFX.Screen + 256 * 32 * 2, 256 * 192 * 2);
-			ds2_DMA_wait(1);
-			ds2_DMA_stop(1);
-#else
-		    memcpy(screen_addr, GFX.Screen+256*32*2, 256*192*2);
-#endif
-			break;
-
-		//Down
-		case 2:
-#ifdef DS2_DMA
-			__dcache_writeback_all();
-			ds2_DMAcopy_32Byte(1 /* channel: graphics */, screen_addr, GFX.Screen, 256 * 192 * 2);
-			ds2_DMA_wait(1);
-			ds2_DMA_stop(1);
-#else
-		    memcpy(screen_addr, GFX.Screen, 256*192*2);
-#endif
-			break;
-
-		//Both
-		case 3:
-#ifdef DS2_DMA
-			__dcache_writeback_all();
-			ds2_DMAcopy_32Byte(1 /* channel: graphics */, screen_addr, GFX.Screen + 256 * 16 * 2, 256 * 192 * 2);
-			ds2_DMA_wait(1);
-			ds2_DMA_stop(1);
-#else
-		    memcpy(screen_addr, GFX.Screen+256*16*2, 256*192*2);
-#endif
-			break;
-			
-		case 4:
-			NDSSFCDrawFrameAntialiased (screen_addr);
-		break;
-		
-
-		default:
-		{
-#ifdef DS2_DMA
-			__dcache_writeback_all();
-#endif
-			register unsigned char *src, *dst;
-			register unsigned int m;
-
-			src = GFX.Screen;
-			dst = (unsigned char*)screen_addr;
-			for(m = 0; m < 32; m++)
-			{
-#ifdef DS2_DMA
-				ds2_DMAcopy_32Byte(1 /* channel: graphics */, dst, src, 256 * 6 * 2);
-				ds2_DMA_wait(1);
-				ds2_DMA_stop(1);
-#else
-				memcpy(dst, src, 256*6*2);
-#endif
-				dst += 256*6*2;
-				src += 256*7*2;
-			}
-		}
-			break;
-	}
-
-	ds2_flipScreen(screen_num, UP_SCREEN_UPDATE_METHOD);
-	// A problem with update method 1 (wait, double buffer) means that, after
-	// about 15 minutes of play time, the screen starts to half-redraw every
-	// frame. With update method 0, this is mitigated. (Method 2 is too slow.)
-
-	return (TRUE);
-}
-
-void _makepath (char *path, const char *, const char *dir,
-		const char *fname, const char *ext)
-{
-    if (dir && *dir)
-    {
-	strcpy (path, dir);
-	strcat (path, "/");
-    }
-    else
-	*path = 0;
-    strcat (path, fname);
-    if (ext && *ext)
-    {
-        strcat (path, ".");
-        strcat (path, ext);
-    }
-}
-
-void _splitpath (const char *path, char *drive, char *dir, char *fname,
-		 char *ext)
-{
-    *drive = 0;
-
-    char *slash = strrchr (path, '/');
-    if (!slash)
-	slash = strrchr (path, '\\');
-
-    char *dot = strrchr (path, '.');
-
-    if (dot && slash && dot < slash)
-	dot = NULL;
-
-    if (!slash)
-    {
-	strcpy (dir, "");
-	strcpy (fname, path);
-        if (dot)
-        {
-	    *(fname + (dot - path)) = 0;
-	    strcpy (ext, dot + 1);
-        }
-	else
-	    strcpy (ext, "");
-    }
-    else
-    {
-	strcpy (dir, path);
-	*(dir + (slash - path)) = 0;
-	strcpy (fname, slash + 1);
-        if (dot)
-	{
-	    *(fname + (dot - slash) - 1) = 0;
-    	    strcpy (ext, dot + 1);
-	}
-	else
-	    strcpy (ext, "");
-    }
-}
-
-void S9xProcessEvents (bool8 block)
-{
-
-}
-
-void OutOfMemory ()
-{
-}
-
-
-const char *S9xGetROMDirectory ()
-{
-	return ((const char*)g_default_rom_dir);
-}
-
-
-const char *S9xGetSnapshotDirectory ()
-{
-    return ((const char*)DEFAULT_RTS_DIR);
-}
-
-const char *S9xGetFilename (const char *ex)
-{
-    static char filename [PATH_MAX + 1];
-    char drive [_MAX_DRIVE + 1];
-    char dir [_MAX_DIR + 1];
-    char fname [_MAX_FNAME + 1];
-    char ext [_MAX_EXT + 1];
-
-    _splitpath (Memory.ROMFilename, drive, dir, fname, ext);
-    strcpy (filename, S9xGetSnapshotDirectory ());
-    strcat (filename, SLASH_STR);
-    strcat (filename, fname);
-    strcat (filename, ex);
-
-    return (filename);
-}
- 
-const char *S9xGetFilenameInc (const char *e)
-{
-    return e;
-#if 0
-    static char filename [_MAX_PATH + 1];
-    char drive [_MAX_DRIVE + 1];
-    char dir [_MAX_DIR + 1];
-    char fname [_MAX_FNAME + 1];
-    char ext [_MAX_EXT + 1];
-    char *ptr;
-    struct stat buf;
-
-    if (strlen (S9xGetSnapshotDirectory()))
-    {
-        _splitpath (Memory.ROMFilename, drive, dir, fname, ext);
-        strcpy (filename, S9xGetSnapshotDirectory());
-        strcat (filename, "/");
-        strcat (filename, fname);
-        ptr = filename + strlen (filename);
-        strcat (filename, "00/");
-        strcat (filename, e);
-    }
-    else
-    {
-        _splitpath (Memory.ROMFilename, drive, dir, fname, ext);
-        strcat (fname, "00/");
-        _makepath (filename, drive, dir, fname, e);
-        ptr = strstr (filename, "00/");
-    }
-
-    do
-    {
-        if (++*(ptr + 2) > '9')
-        {
-            *(ptr + 2) = '0';
-            if (++*(ptr + 1) > '9')
-            {
-                *(ptr + 1) = '0';
-                if (++*ptr > '9')
-                    break;
-            }
-        }
-    } while( stat(filename, &buf) == 0 );
-
-    return (filename);
-#endif
-}
-
-void S9xInitInputDevices ()
-{
-#ifdef JOYSTICK_SUPPORT
-    InitJoysticks ();
-#endif
-}
-
-
-
-void game_disableAudio()
-{
-	if( game_enable_audio == 1)
-	{
-		S9xSetSoundMute (FALSE);
-	}
-	else
-	{
-		S9xSetSoundMute (TRUE);
-	}
-}
-
-void game_set_frameskip()
-{
-	if( game_config.frameskip_value == 0)
-	{
-		Settings.SkipFrames = AUTO_FRAMERATE;
-	}
-	else
-	{
-		Settings.SkipFrames = game_config.frameskip_value - 1 /* 1 -> 0 and so on */;
-	}
-}
-
-void game_set_fluidity()
-{
-	if( game_config.SoundSync == 1)
-	{
-		Settings.SoundSync = TRUE;
-	}
-	else
-	{
-		Settings.SoundSync = FALSE;
-	}
-}
-
-void game_set_retro(void)
-{
-	if (game_config.RetroSound == 1)
-	{
-		Settings.InterpolatedSound = FALSE;
-		S9xSetEightBitConsoleSound (TRUE);
-	}
-	else
-	{
-		Settings.InterpolatedSound = TRUE;
-		S9xSetEightBitConsoleSound (FALSE);
-	}
-}
-	
-void init_sfc_setting(void)
-{
-    ZeroMemory (&Settings, sizeof (Settings));
-#ifdef JOYSTICK_SUPPORT
-    Settings.JoystickEnabled = TRUE;
-#else
-    Settings.JoystickEnabled = FALSE;
-#endif
-
-    Settings.SoundPlaybackRate = SNES9X_SRATE_ID;	// -> ds2sound.h for defs
-#ifndef FOREVER_STEREO
-    Settings.Stereo = TRUE;
-#endif
-    Settings.SoundBufferSize = DS2_BUFFER_SIZE;
-    Settings.CyclesPercentage = 100;
-    Settings.DisableSoundEcho = FALSE;
-	//sound settings
-    Settings.APUEnabled = Settings.NextAPUEnabled = TRUE;
-	// Settings.FixFrequency = 1;
-
-    Settings.H_Max = SNES_CYCLES_PER_SCANLINE;
-    Settings.SkipFrames = AUTO_FRAMERATE;
-    Settings.ShutdownMaster = TRUE;
-    Settings.FrameTimePAL = 20000;
-    Settings.FrameTimeNTSC = 16667;
-    Settings.DisableMasterVolume = FALSE;
-    Settings.Mouse = TRUE;
-    Settings.SuperScope = TRUE;
-    Settings.MultiPlayer5 = TRUE;
-    Settings.ControllerOption = SNES_JOYPAD;
-
-    Settings.Transparency = TRUE;
-#ifndef FOREVER_16_BIT
-    Settings.SixteenBit = TRUE;
-#endif
-#ifndef FOREVER_16_BIT_SOUND
-    Settings.SixteenBitSound = TRUE;
-#endif
-
-    Settings.SupportHiRes = FALSE;
-    Settings.ThreadSound = FALSE;
-	Settings.SoundSync = TRUE;
-    Settings.AutoSaveDelay = 0;
-#ifdef _NETPLAY_SUPPORT
-    Settings.NetPlay = FALSE;
-    Settings.ServerName [0] = 0;
-    Settings.Port = NP_DEFAULT_PORT;
-#endif
-    Settings.ApplyCheats = TRUE;
-    Settings.TurboMode = FALSE;
-    Settings.TurboSkipFrames = 10;
-    Settings.StretchScreenshots = 1;
-
-	Settings.HBlankStart = (256 * Settings.H_Max) / SNES_HCOUNTER_MAX;
-}
-
-void S9xAutoSaveSRAM ()
-{
-    Memory.SaveSRAM (S9xGetFilename (".srm"));
-}
-
-int game_load_state(char* file)
-{
-	int flag;
-
-	flag = 0;
-	if(S9xUnfreezeGame(file) == FALSE)
-		flag = -1;
-
-	return flag;
-}
-
-int game_save_state(char* file)
-{
-	int flag;
-
-	flag = 0;
-	if(S9xFreezeGame(file) == FALSE)
-		flag = -1;
-
-	S9xAutoSaveSRAM ();
-
-	return flag;
-}
-
-void game_restart(void)
-{
-	CPU.Flags = 0;
-	S9xReset ();
-}
-
-int load_gamepak(const char* file)
-{
-	CPU.Flags = 0;
-	// mdelay(50); // Delete this delay
-	if (!Memory.LoadROM (file))
-		return -1;
-	S9xReset ();
-
-	Settings.FrameTime = (Settings.PAL ? Settings.FrameTimePAL : Settings.FrameTimeNTSC);
-
-	Memory.LoadSRAM (S9xGetFilename (".srm"));
-	// mdelay(50); // Delete this delay
-	S9xLoadCheatFile (S9xGetFilename (".chb")); // cheat binary file, as opposed to text
-
-#ifdef _NETPLAY_SUPPORT
-    if (strlen (Settings.ServerName) == 0)
-    {
-	char *server = getenv ("S9XSERVER");
-	if (server)
-	{
-	    strncpy (Settings.ServerName, server, 127);
-	    Settings.ServerName [127] = 0;
-	}
-    }
-    char *port = getenv ("S9XPORT");
-    if (Settings.Port >= 0 && port)
-    	Settings.Port = atoi (port);
-    else if (Settings.Port < 0)
-        Settings.Port = -Settings.Port;
-
-    if (Settings.NetPlay)
-    {
-	int player;
-
-	if (!S9xNetPlayConnectToServer (Settings.ServerName, Settings.Port,
-					Memory.ROMName, player))
-	{
-	    fprintf (stderr, "Failed to connected to Snes9x netplay"
-                     " server \"%s\" on port %d.\n",
-                     Settings.ServerName, Settings.Port);
-	    S9xExit ();
-	}
-	fprintf (stderr, "Connected to \"%s\" on port %d as"
-                 " player #%d playing \"%s\"\n",
-		 Settings.ServerName, Settings.Port, player, Memory.ROMName);
-    }
-    
-#endif
-/*
-    if (snapshot_filename)
-    {
-        int Flags = CPU.Flags & (DEBUG_MODE_FLAG | TRACE_FLAG);
-        if (!S9xLoadSnapshot (snapshot_filename))
-            exit (1);
-        CPU.Flags |= Flags;
-    }
-*/
-
-	// mdelay(50); // Delete this delay
-
-	return 0;
-}
-
-extern "C" int sfc_main (int argc, char **argv);
-
-int sfc_main (int argc, char **argv)
-{
-	//Initialize GUI
-	gui_init(0);
-
-	init_sfc_setting();
-
-    if (!Memory.Init () || !S9xInitAPU())
-		OutOfMemory ();
-
-	S9xInitDisplay (argc, argv);
-    if (!S9xGraphicsInit())
-		OutOfMemory ();
-
-    S9xInitSound (Settings.SoundPlaybackRate,
-#ifndef FOREVER_STEREO
-                  Settings.Stereo,
-#else
-                  TRUE,
-#endif
-                  Settings.SoundBufferSize);
-#ifdef GFX_MULTI_FORMAT
-//    S9xSetRenderPixelFormat (RGB565);
-    S9xSetRenderPixelFormat (BGR555);
-#endif
-
-#ifdef JOYSTICK_SUPPORT
-    uint32 JoypadSkip = 0;
-#endif
-
-	Settings.Paused = 1;
-	bool8 FirstInvocation = TRUE;
-
-    while (1)
-    {
-		if (!Settings.Paused
-#ifdef DEBUGGER
-			|| (CPU.Flags & (DEBUG_MODE_FLAG | SINGLE_STEP_FLAG)
-#endif
-			)
-			S9xMainLoop ();
-
-
-#ifdef DEBUGGER
-		if (CPU.Flags & DEBUG_MODE_FLAG)
-		{
-			S9xDoDebug ();
-		}
-		else
-#endif
-		{
-			if (SaveStateNeeded) {
-				QuickSaveState ();
-				SaveStateNeeded = FALSE;
-			}
-
-			if (LoadStateNeeded) {
-				QuickLoadState ();
-				LoadStateNeeded = FALSE;
-			}
-
-			if (Settings.Paused)
-			{
-				S9xSetSoundMute (TRUE);
-				unsigned short screen[256*192];
-
-				if (FirstInvocation) {
-					memset(screen, 0, sizeof(screen));
-				}
-				else {
-					S9xDeinitUpdate(256, 224, TRUE);
-
-					void* screen_addr = emu_config.BottomScreenGame
-						? down_screen_addr
-						: up_screen_addr;
-
-					copy_screen((void*)screen, screen_addr, 0, 0, 256, 192);
-				}
-
-				menu(screen, FirstInvocation);
-				FirstInvocation = FALSE;
-				game_disableAudio();
-				Settings.Paused = 0;
-			}
-		}
-
-#ifdef JOYSTICK_SUPPORT
-		//if (Settings.JoystickEnabled && (JoypadSkip++ & 1) == 0)
-		if (Settings.JoystickEnabled)
-			ReadJoysticks ();
-#endif
-
-    }
-
-    return (0);
-}
-
-static unsigned int sync_last= 0;
-static unsigned int sync_next = 0;
-
-static unsigned int skip_rate= 0;
-
-void S9xSyncSpeed ()
-{
-	uint32 syncnow;
-	int32 syncdif;
-
-#if 0
-    if (Settings.SoundSync == 2)
-    {
-	IPPU.RenderThisFrame = TRUE;
-	IPPU.SkippedFrames = 0;
-	return;
-    }
-#endif
-	syncnow = getSysTime();
-
-	bool8 FastForward = game_fast_forward || temporary_fast_forward /* hotkey is held */;
-
-	if (FastForward)
-	{
-		sync_last = syncnow;
-		sync_next = syncnow;
-
-		if(++skip_rate < Settings.TurboSkipFrames)
-			IPPU.RenderThisFrame = false;
-		else
-		{
-			skip_rate = 0;
-			IPPU.RenderThisFrame = true;
-		}
-	}
-	else
-	{
-		// Manual or automatic frame skipping, no fast-forward.
-		if (Settings.SkipFrames == AUTO_FRAMERATE)
-		{
-			// frame_time is in getSysTime units: 42.667 microseconds.
-			int32 frame_time = Settings.PAL ? 468 /* = 20.0 ms */ : 391 /* = 16.67 ms */;
-			if (sync_last > syncnow) // Overflow occurred! (every 50 hrs)
-			{
-				// Render this frame regardless, set the
-				// sync_next, and get the hell out.
-				IPPU.RenderThisFrame = TRUE;
-				sync_last = syncnow;
-				sync_next = syncnow + frame_time;
-				return;
-			}
-			sync_last = syncnow;
-			// If this is positive, we have syncdif*42.66 microseconds to
-			// spare.
-			// If this is negative, we're late by syncdif*42.66
-			// microseconds.
-			syncdif = sync_next - syncnow;
-			if(skip_rate < 2 /* did not skip 2 frames yet */)
-			{
-				// Skip a minimum of 2 frames between rendered frames.
-				// This prevents the DSTwo-DS link from being too busy
-				// to return button statuses.
-				++skip_rate;
-				IPPU.RenderThisFrame = FALSE;
-				sync_next += frame_time;
-			}
-			else if(syncdif < 0)
-			{
-				/*
-				 * If we're consistently late, delay up to 8 frames.
-				 * 
-				 * That really helps with certain games, such as
-				 * Super Mario RPG and Yoshi's Island.
-				 */
-				if(++skip_rate < 10)
-				{
-					if(syncdif >= -11719 /* not more than 500.0 ms late */)
-					{
-						IPPU.RenderThisFrame = FALSE;
-						sync_next += frame_time;
-					}
-					else
-					{	//lag more than 0.5s, maybe paused
-						IPPU.RenderThisFrame = TRUE;
-						sync_next = syncnow + frame_time;
-					}
-				}
-				else
-				{
-					skip_rate = 0;
-					IPPU.RenderThisFrame = TRUE;
-					sync_next = syncnow + frame_time;
-				}
-			}
-			else // Early
-			{
-				skip_rate = 0;
-				if (syncdif > 0)
-				{
-					do {
-						S9xProcessSound (0);
-#ifdef ACCUMULATE_JOYPAD
-/*
- * This call allows NDSSFC to synchronise the DS controller more often.
- * If porting a later version of Snes9x into NDSSFC, it is essential to
- * preserve it.
- */
-						NDSSFCAccumulateJoypad ();
-#endif
-						syncdif = sync_next - getSysTime();
-					} while (syncdif > 0);
-				}
-
-				IPPU.RenderThisFrame = TRUE;
-				sync_next += frame_time;
-			}
-#if 0
-			if(++framenum >= 60)
-			{
-				syncdif = syncnow - sync_last;
-				sync_last = syncnow;
-				framenum = 0;
-				//printf("T %d %d\n", syncdif*42667/1000, realframe);
-				realframe = 0;
-			}
-#endif
-		}
-		else /* if (Settings.SkipFrames != AUTO_FRAMERATE) */
-		{
-			// frame_time is in getSysTime units: 42.667 microseconds.
-			uint32 frame_time = Settings.PAL ? 468 /* = 20.0 ms */ : 391 /* = 16.67 ms */;
-			sync_last = syncnow;
-			if (++skip_rate > Settings.SkipFrames)
-			{
-				skip_rate = 0;
-				IPPU.RenderThisFrame = TRUE;
-				// Are we early?
-				syncdif = sync_next - syncnow;
-				if (syncdif > 0)
-				{
-					do {
-						S9xProcessSound (0);
-#ifdef ACCUMULATE_JOYPAD
-/*
- * This call allows NDSSFC to synchronise the DS controller more often.
- * If porting a later version of Snes9x into NDSSFC, it is essential to
- * preserve it.
- */
-						NDSSFCAccumulateJoypad ();
-#endif
-						syncdif = sync_next - getSysTime();
-					} while (syncdif > 0);
-					// After that little delay, what time is it?
-					syncnow = getSysTime();
-				}
-				sync_next = syncnow + frame_time * (Settings.SkipFrames + 1);
-			}
-			else
-			{
-				IPPU.RenderThisFrame = FALSE;
-			}
-		}
-	}
-
-#ifdef __sgi
-    /* BS: saves on CPU usage */
-    sginap(1);
-#endif
-
-#if 0
-    /* Check events */
-    
-    static struct timeval next1 = {0, 0};
-    struct timeval now;
-
-    CHECK_SOUND();
-//  S9xProcessEvents(FALSE);
-
-    while (gettimeofday (&now, NULL) < 0) ;
-    
-    /* If there is no known "next" frame, initialize it now */
-    if (next1.tv_sec == 0) { next1 = now; ++next1.tv_usec; }
-
-    /* If we're on AUTO_FRAMERATE, we'll display frames always
-     * only if there's excess time.
-     * Otherwise we'll display the defined amount of frames.
-     */
-    unsigned limit = Settings.SkipFrames == AUTO_FRAMERATE
-                     ? (timercmp(&next1, &now, <) ? 10 : 1)
-                     : Settings.SkipFrames;
-    
-    IPPU.RenderThisFrame = ++IPPU.SkippedFrames >= limit;
-    if(IPPU.RenderThisFrame)
-    {
-        IPPU.SkippedFrames = 0;
-    }
-    else
-    {
-        /* If we were behind the schedule, check how much it is */
-        if(timercmp(&next1, &now, <))
-        {
-            unsigned lag =
-                (now.tv_sec - next1.tv_sec) * 1000000
-               + now.tv_usec - next1.tv_usec;
-            if(lag >= 1000000)
-            {
-                /* More than a second behind means probably
-                 * pause. The next line prevents the magic
-                 * fast-forward effect.
-                 */
-                next1 = now;
-            }
-        }
-    }
-    
-    /* Delay until we're completed this frame */
-
-    /* Can't use setitimer because the sound code already could
-     * be using it. We don't actually need it either.
-     */
-
-    while(timercmp(&next1, &now, >))
-    {
-        /* If we're ahead of time, sleep a while */
-        unsigned timeleft =
-            (next1.tv_sec - now.tv_sec) * 1000000
-           + next1.tv_usec - now.tv_usec;
-        //fprintf(stderr, "<%u>", timeleft);
-        usleep(timeleft);
-
-        CHECK_SOUND();
-//  S9xProcessEvents(FALSE);
-
-        while (gettimeofday (&now, NULL) < 0) ;
-        /* Continue with a while-loop because usleep()
-         * could be interrupted by a signal
-         */
-    }
-
-    /* Calculate the timestamp of the next frame. */
-    next1.tv_usec += Settings.FrameTime;
-    if (next1.tv_usec >= 1000000)
-    {
-        next1.tv_sec += next1.tv_usec / 1000000;
-        next1.tv_usec %= 1000000;
-    }
-#endif
-}
-
-bool8 S9xOpenSoundDevice (int mode, bool8 stereo, int buffer_size)
-{
-#ifndef FOREVER_16_BIT_SOUND
-	so.sixteen_bit = TRUE;
-#endif
-#ifndef FOREVER_STEREO
-    so.stereo = stereo;
-#endif
-    so.playback_rate = SND_SAMPLE_RATE;
-    S9xSetPlaybackRate (so.playback_rate);
-
-    if (buffer_size == 0)
-	    buffer_size = DS2_BUFFER_SIZE;
-
-    if (buffer_size > MAX_BUFFER_SIZE / 4)
-	    buffer_size = MAX_BUFFER_SIZE / 4;
-#ifndef FOREVER_16_BIT_SOUND
-    if (so.sixteen_bit)
-#endif
-	    buffer_size *= 2;
-#ifndef FOREVER_STEREO
-    if (so.stereo)
-#endif
-	    buffer_size *= 2;
-
-	so.buffer_size = buffer_size;
-
-    return (TRUE);
-}
-
-void S9xGenerateSound ()
-{
-#ifndef FOREVER_16_BIT_SOUND
-	int bytes_so_far = so.sixteen_bit ? (so.samples_mixed_so_far << 1) :
-		so.samples_mixed_so_far;
-#else
-	int bytes_so_far = so.samples_mixed_so_far << 1;
-#endif
-
-	if (bytes_so_far >= so.buffer_size)
-		return;
-
-	so.err_counter += so.err_rate;
-	if (so.err_counter >= FIXED_POINT)
-	{
-		// Write this many samples overall
-		int samples_to_write = so.err_counter >> FIXED_POINT_SHIFT;
-#ifndef FOREVER_STEREO
-		if (so.stereo)
-#endif
-			samples_to_write <<= 1;
-		int byte_offset = (bytes_so_far + so.play_position) & SOUND_BUFFER_SIZE_MASK;
-
-		so.err_counter &= FIXED_POINT_REMAINDER;
-
-		do
-		{
-			int bytes_this_run = samples_to_write;
-#ifndef FOREVER_16_BIT_SOUND
-			if (so.sixteen_bit)
-#endif
-				bytes_this_run <<= 1;
-
-			if (byte_offset + bytes_this_run > SOUND_BUFFER_SIZE)
-			{
-				bytes_this_run = SOUND_BUFFER_SIZE - byte_offset;
-			}
-
-			if (bytes_so_far + bytes_this_run > so.buffer_size)
-			{
-				bytes_this_run = so.buffer_size - bytes_so_far;
-				if (bytes_this_run == 0)
-					break;
-			}
-
-			int samples_this_run = bytes_this_run;
-#ifndef FOREVER_16_BIT_SOUND
-			if (so.sixteen_bit)
-#endif
-				samples_this_run >>= 1;
-
-			S9xMixSamples (Buf + byte_offset, samples_this_run);
-			so.samples_mixed_so_far += samples_this_run;
-			samples_to_write -= samples_this_run;
-#ifndef FOREVER_16_BIT_SOUND
-			bytes_so_far += so.sixteen_bit ? (samples_this_run << 1) :
-				samples_this_run;
-#else
-			bytes_so_far += samples_this_run << 1;
-#endif
-			byte_offset = (byte_offset + bytes_this_run) & SOUND_BUFFER_SIZE_MASK;
-		} while (samples_to_write > 0);
-	}
-}
-
-#define SOUND_EMISSION_INTERVAL ((unsigned int) ((((unsigned long long) DS2_BUFFER_SIZE * 1000000) / SND_SAMPLE_RATE) * 3 / 128))
-#define TRUE_SOUND_EMISSION_INTERVAL ((((double) DS2_BUFFER_SIZE * 1000000) / SND_SAMPLE_RATE) * 3 / 128)
-#define SOUND_EMISSION_INTERVAL_ERROR ((int) ((TRUE_SOUND_EMISSION_INTERVAL - SOUND_EMISSION_INTERVAL) * FIXED_POINT))
-static unsigned int LastSoundEmissionTime = 0;
-
-/*
- * Accumulated error in the sound emission time. The unit is as follows:
- * FIXED_POINT = 42.667 microseconds.
- * As the error goes past FIXED_POINT, the new target for sound emission
- * becomes 42.667 microseconds LATER. This helps with sound buffer overruns,
- * correctly dealing with the fact that 42.667 microseconds does not fit
- * an integer number of times in 1/32000 second (or whatever sampling rate).
- */
-static unsigned int SoundEmissionTimeError = 0;
-
-void S9xProcessSound (unsigned int)
-{
-	if (!game_enable_audio)
-		return;
-
-	unsigned int Now = getSysTime();
-	if (Now - LastSoundEmissionTime >= SOUND_EMISSION_INTERVAL)
-	{
-		if(ds2_checkAudiobuff() > AUDIO_BUFFER_COUNT - 1)
-		{
-			LastSoundEmissionTime++;
-			return;
-		}
-
-		unsigned short *audiobuff;
-
-		if (Now - LastSoundEmissionTime >= 11719 /* 500 milliseconds */)
-		{
-			LastSoundEmissionTime = Now;
-			// We were probably paused. Restart sending sound,
-			// synchronising from now.
-		}
-		else
-		{
-			LastSoundEmissionTime += SOUND_EMISSION_INTERVAL;
-			SoundEmissionTimeError += SOUND_EMISSION_INTERVAL_ERROR;
-			if (SoundEmissionTimeError >= FIXED_POINT)
-			{
-				LastSoundEmissionTime += SoundEmissionTimeError >> FIXED_POINT_SHIFT;
-				SoundEmissionTimeError &= FIXED_POINT_REMAINDER;
-			}
-		}
-		/* Number of samples to generate now */
-		int sample_count = so.buffer_size;
-#ifndef FOREVER_16_BIT_SOUND
-		if (so.sixteen_bit)
-		{
-#endif
-			/* to prevent running out of buffer space,
-			* create less samples
-			*/
-			sample_count >>= 1;
-#ifndef FOREVER_16_BIT_SOUND
-		}
-#endif
-
-		audiobuff = (unsigned short*)ds2_getAudiobuff();
-		while (audiobuff == NULL) //There are audio queue in sending or wait to send
-		{
-#ifdef ACCUMULATE_JOYPAD
-			NDSSFCAccumulateJoypad ();
-#endif
-			audiobuff = (unsigned short*)ds2_getAudiobuff();
-		}
-
-		/* If we need more audio samples */
-		if (so.samples_mixed_so_far < sample_count)
-		{
-			/* Where to put the samples to */
-#ifndef FOREVER_16_BIT_SOUND
-			unsigned byte_offset = (so.play_position + 
-			(so.sixteen_bit ? (so.samples_mixed_so_far << 1) : so.samples_mixed_so_far)) & SOUND_BUFFER_SIZE_MASK;
-#else
-			unsigned byte_offset = (so.play_position + 
-			(so.samples_mixed_so_far << 1)) & SOUND_BUFFER_SIZE_MASK;
-#endif
-
-			if (Settings.SoundSync == 2)
-			{
-				/*memset (Buf + (byte_offset & SOUND_BUFFER_SIZE_MASK), 0,
-				sample_count - so.samples_mixed_so_far);*/
-			}
-			else
-			{
-				/* Mix the missing samples */
-#ifndef FOREVER_16_BIT_SOUND
-				int bytes_so_far = so.sixteen_bit ? (so.samples_mixed_so_far << 1) :
-					so.samples_mixed_so_far;
-#else
-				int bytes_so_far = so.samples_mixed_so_far << 1;
-#endif
-
-				uint32 samples_to_write = sample_count - so.samples_mixed_so_far;
-				do
-				{
-					int bytes_this_run = samples_to_write;
-#ifndef FOREVER_16_BIT_SOUND
-					if (so.sixteen_bit)
-#endif
-						bytes_this_run <<= 1;
-
-					if (byte_offset + bytes_this_run > SOUND_BUFFER_SIZE)
-					{
-						bytes_this_run = SOUND_BUFFER_SIZE - byte_offset;
-					}
-
-					if (bytes_so_far + bytes_this_run > so.buffer_size)
-					{
-						bytes_this_run = so.buffer_size - bytes_so_far;
-						if (bytes_this_run == 0)
-							break;
-					}
-
-					int samples_this_run = bytes_this_run;
-#ifndef FOREVER_16_BIT_SOUND
-					if (so.sixteen_bit)
-#endif
-						samples_this_run >>= 1;
-
-					S9xMixSamples (Buf + byte_offset, samples_this_run);
-					so.samples_mixed_so_far += samples_this_run;
-					samples_to_write -= samples_this_run;
-#ifndef FOREVER_16_BIT_SOUND
-					bytes_so_far += so.sixteen_bit ? (samples_this_run << 1) :
-						samples_this_run;
-#else
-					bytes_so_far += samples_this_run << 1;
-#endif
-					byte_offset = (byte_offset + bytes_this_run) & SOUND_BUFFER_SIZE_MASK;
-				} while (samples_to_write > 0);
-			}
-		}
-
-	//    if (!so.mute_sound)
-		{
-			unsigned bytes_to_write = sample_count;
-#ifndef FOREVER_16_BIT_SOUND
-			if(so.sixteen_bit)
-#endif
-				bytes_to_write <<= 1;
-
-			unsigned byte_offset = so.play_position;
-			so.play_position = (so.play_position + bytes_to_write) & SOUND_BUFFER_SIZE_MASK; /* wrap to beginning */
-
-			unsigned short *dst_pt = audiobuff;
-			unsigned short *dst_pt1 = dst_pt + DS2_BUFFER_SIZE;
-
-			/* Feed the samples to the soundcard until nothing is left */
-			for(;;)
-			{
-				int I = bytes_to_write;
-				if (byte_offset + I > SOUND_BUFFER_SIZE)
-				{
-					I = SOUND_BUFFER_SIZE - byte_offset;
-				}
-				if(I == 0) break;
-
-	//			memcpy(dst_pt, (char *) Buf + byte_offset, I);
-	//			dst_pt += I;
-
-				unsigned short *src_pt= (unsigned short*)(Buf + byte_offset);
-				for(int m= 0; m < I/4; m++)
-				{
-					*dst_pt++= *src_pt++;//(*src_pt++) <<1;
-					*dst_pt1++= *src_pt++;//(*src_pt++) <<1;
-				}
-
-				bytes_to_write -= I;
-				byte_offset = (byte_offset + I) & SOUND_BUFFER_SIZE_MASK; /* wrap */
-			}
-
-			ds2_updateAudio();
-
-			/* All data sent. */
-		}
-
-		so.samples_mixed_so_far -= sample_count;
-	}
-}
-
-/*
-const unsigned int keymap[12] = {
-		0x80,		//KEY_A
-		0x8000,		//KEY_B
-		0x2000,		//KEY_SELECT
-		0x1000,		//KEY_START
-		0x100,		//KEY_RIGHT
-		0x200,		//KEY_LEFT
-		0x800,		//KEY_UP
-		0x400,		//KEY_DOWN
-		0x10,		//KEY_R
-		0x20,		//KEY_L
-		0x40,		//KEY_X
-		0x4000		//KEY_Y
-	};
-*/
-
-static bool8 SoundToggleWasHeld = FALSE;
-static bool8 LoadStateWasHeld = FALSE;
-static bool8 SaveStateWasHeld = FALSE;
-static bool8 ToggleFullScreenWasHeld = FALSE;
-
-#ifdef ACCUMULATE_JOYPAD
-// These are kept as DS key bitfields until it's time to send them to Snes9x.
-static uint32 PreviousControls = 0x00000000;
-static uint32 ControlsPressed  = 0x00000000;
-static uint32 ControlsReleased = 0x00000000;
-
-void NDSSFCAccumulateJoypad ()
-{
-	struct key_buf inputdata;
-	ds2_getrawInput(&inputdata);
-
-	ControlsPressed |= inputdata.key & ~PreviousControls;
-	ControlsReleased |= PreviousControls & ~inputdata.key;
-}
-#endif // ACCUMULATE_JOYPAD
-
-uint32 S9xReadJoypad (int which1)
-{
-	if(which1 < 1)
-	{
-		uint32 Controls;
-#ifdef ACCUMULATE_JOYPAD
-		Controls = (PreviousControls | ControlsPressed) & ~ControlsReleased;
-		PreviousControls = Controls;
-		ControlsPressed = ControlsReleased = 0x00000000;
-#else
-		{
-			struct key_buf inputdata;
-			ds2_getrawInput(&inputdata);
-
-			Controls = inputdata.key;
-		}
-#endif
-
-		if (Controls & KEY_LID)
-		{
-			LowFrequencyCPU();
-			ds2_setSupend();
-			struct key_buf inputdata;
-			do {
-				ds2_getrawInput(&inputdata);
-				mdelay(1);
-			} while (inputdata.key & KEY_LID);
-			ds2_wakeup();
-			// Before starting to emulate again, turn on only the
-			// game screen's backlight.
-			SCREEN_ID screen_num = emu_config.BottomScreenGame
-				? DOWN_SCREEN
-				: UP_SCREEN;
-			mdelay(100); // needed to avoid ds2_setBacklight crashing
-			ds2_setBacklight(3 - screen_num);
-			GameFrequencyCPU();
-		}
-
-		u32 HotkeyReturnToMenu = game_config.HotkeyReturnToMenu != 0 ? game_config.HotkeyReturnToMenu : emu_config.HotkeyReturnToMenu;
-		u32 HotkeyTemporaryFastForward = game_config.HotkeyTemporaryFastForward != 0 ? game_config.HotkeyTemporaryFastForward : emu_config.HotkeyTemporaryFastForward;
-		u32 HotkeyToggleSound = game_config.HotkeyToggleSound != 0 ? game_config.HotkeyToggleSound : emu_config.HotkeyToggleSound;
-		u32 HotkeyQuickLoadState = game_config.HotkeyQuickLoadState != 0 ? game_config.HotkeyQuickLoadState : emu_config.HotkeyQuickLoadState;
-		u32 HotkeyQuickSaveState = game_config.HotkeyQuickSaveState != 0 ? game_config.HotkeyQuickSaveState : emu_config.HotkeyQuickSaveState;
-		u32 HotkeyToggleFullScreen = game_config.HotkeyToggleFullScreen != 0 ? game_config.HotkeyToggleFullScreen : emu_config.HotkeyToggleFullScreen;
-
-		if(Controls & KEY_TOUCH ||
-			(HotkeyReturnToMenu && ((Controls & HotkeyReturnToMenu) == HotkeyReturnToMenu))
-		)	//Active menu
-			Settings.Paused = 1;
-
-		temporary_fast_forward =
-			(HotkeyTemporaryFastForward && ((Controls & HotkeyTemporaryFastForward) == HotkeyTemporaryFastForward))
-		;
-
-		bool8 SoundToggleIsHeld = 
-			(HotkeyToggleSound && ((Controls & HotkeyToggleSound) == HotkeyToggleSound))
-		;
-
-		if (SoundToggleIsHeld && !SoundToggleWasHeld)
-		{
-			game_enable_audio = !game_enable_audio;
-			game_disableAudio();
-		}
-
-		SoundToggleWasHeld = SoundToggleIsHeld;
-
-		/* It is only safe to load/save a state between frames.
-		 * entry.cpp:sfc_main will pick this up. */
-		bool8 LoadStateIsHeld = 
-			(HotkeyQuickLoadState && ((Controls & HotkeyQuickLoadState) == HotkeyQuickLoadState))
-		;
-
-		if (LoadStateIsHeld && !LoadStateWasHeld)
-			LoadStateNeeded = TRUE;
-
-		LoadStateWasHeld = LoadStateIsHeld;
-
-		bool8 SaveStateIsHeld = 
-			(HotkeyQuickSaveState && ((Controls & HotkeyQuickSaveState) == HotkeyQuickSaveState))
-		;
-
-		if (SaveStateIsHeld && !SaveStateWasHeld)
-			SaveStateNeeded = TRUE;
-
-		SaveStateWasHeld = SaveStateIsHeld;
-
-		/* Full-screen toggle? */
-		bool8 ToggleFullScreenIsHeld = 
-			(HotkeyToggleFullScreen && ((Controls & HotkeyToggleFullScreen) == HotkeyToggleFullScreen))
-		;
-
-		if (ToggleFullScreenIsHeld && !ToggleFullScreenWasHeld) {
-			ToggleFullScreen ();
-		}
-
-		ToggleFullScreenWasHeld = ToggleFullScreenIsHeld;
-
-		uint32 key = 0x80000000;  // Required by Snes9x
-
-		                                           //   DS   ->  SNES
-		key |= (Controls & KEY_A     ) <<  7;      // 0x0001 -> 0x0080
-		key |= (Controls & KEY_B     ) << 14;      // 0x0002 -> 0x8000
-		key |= (Controls & KEY_SELECT) << 11;      // 0x0004 -> 0x2000
-		key |= (Controls & KEY_START ) <<  9;      // 0x0008 -> 0x1000
-		key |= (Controls & KEY_UP    ) <<  5;      // 0x0040 -> 0x0800
-		// 0x0010 -> 0x0100; 0x0020 -> 0x0200
-		// 0x0030 -> 0x0300
-		key |= (Controls & (KEY_RIGHT | KEY_LEFT))  <<  4;
-		// 0x0100 -> 0x0010; 0x0200 -> 0x0020; 0x0400 -> 0x0040
-		// 0x0700 -> 0x0070
-		key |= (Controls & (KEY_R | KEY_L | KEY_X)) >>  4;
-		// 0x0080 -> 0x0400; 0x0800 -> 0x4000
-		// 0x0880 -> 0x4400
-		key |= (Controls & (KEY_DOWN | KEY_Y))      <<  3;
-/*
-		for(i= 0; i < 12; i++)	//remap key
-		{
-			key |= (inputdata.key & (1<<i)) ? keymap[i] : 0;
-		}
-*/
-
-		return key;
-	}
-	else
-		return 0;
-}
-
-static int S9xCompareSDD1IndexEntries (const void *p1, const void *p2)
-{
-    return (*(uint32 *) p1 - *(uint32 *) p2);
-}
-
-void S9xLoadSDD1Data ()
-{
-    char filename [_MAX_PATH + 1];
-    char index [_MAX_PATH + 1];
-    char data [_MAX_PATH + 1];
-    char patch [_MAX_PATH + 1];
-
-    Memory.FreeSDD1Data ();
-
-    strcpy (filename, S9xGetSnapshotDirectory ());
-
-    Settings.SDD1Pack=FALSE;
-    if (strncmp (Memory.ROMName, "Star Ocean", 10) == 0){
-        if(SDD1_pack) strcpy (filename, SDD1_pack);
-#ifdef SDD1_DECOMP
-        else Settings.SDD1Pack=TRUE;
-#else
-	strcat (filename, "/socnsdd1");
-#endif
-    } else if(strncmp(Memory.ROMName, "STREET FIGHTER ALPHA2", 21)==0){
-        if(SDD1_pack) strcpy (filename, SDD1_pack);
-#ifdef SDD1_DECOMP
-        else Settings.SDD1Pack=TRUE;
-#else
-	strcat (filename, "/sfa2sdd1");
-#endif
-    } else {
-        if(SDD1_pack) strcpy (filename, SDD1_pack);
-#ifdef SDD1_DECOMP
-        else Settings.SDD1Pack=TRUE;
-#else
-	S9xMessage(S9X_WARNING, S9X_ROM_INFO, "WARNING: No default SDD1 pack for this ROM");
-#endif
-    }
-
-    if(Settings.SDD1Pack) return;
-
-    DIR *dir = opendir (filename);
-
-    index [0] = 0;
-    data [0] = 0;
-    patch [0] = 0;
-
-    if (dir)
-    {
-//	struct dirent *d;
-	dirent *d;
-	
-	while ((d = readdir (dir)))
-	{
-	    if (strcasecmp (d->d_name, "SDD1GFX.IDX") == 0)
-	    {
-		strcpy (index, filename);
-		strcat (index, "/");
-		strcat (index, d->d_name);
-	    }
-	    else
-	    if (strcasecmp (d->d_name, "SDD1GFX.DAT") == 0)
-	    {
-		strcpy (data, filename);
-		strcat (data, "/");
-		strcat (data, d->d_name);
-	    }
-	    if (strcasecmp (d->d_name, "SDD1GFX.PAT") == 0)
-	    {
-		strcpy (patch, filename);
-		strcat (patch, "/");
-		strcat (patch, d->d_name);
-	    }
-	}
-	closedir (dir);
-
-	if (strlen (index) && strlen (data))
-	{
-	    FILE *fs = fopen (index, "rb");
-	    int len = 0;
-
-	    if (fs)
-	    {
-		// Index is stored as a sequence of entries, each entry being
-		// 12 bytes consisting of:
-		// 4 byte key: (24bit address & 0xfffff * 16) | translated block
-		// 4 byte ROM offset
-		// 4 byte length
-		fseek (fs, 0, SEEK_END);
-		len = ftell (fs);
-		//rewind (fs);
-        fseek (fs, 0, SEEK_SET);
-		Memory.SDD1Index = (uint8 *) malloc (len);
-		fread (Memory.SDD1Index, 1, len, fs);
-		fclose (fs);
-		Memory.SDD1Entries = len / 12;
-
-		if (!(fs = fopen (data, "rb")))
-		{
-		    free ((char *) Memory.SDD1Index);
-		    Memory.SDD1Index = NULL;
-		    Memory.SDD1Entries = 0;
-		}
-		else
-		{
-		    fseek (fs, 0, SEEK_END);
-		    len = ftell (fs);
-		    //rewind (fs);
-            fseek (fs, 0, SEEK_SET);
-		    Memory.SDD1Data = (uint8 *) malloc (len);
-		    fread (Memory.SDD1Data, 1, len, fs);
-		    fclose (fs);
-
-		    if (strlen (patch) > 0 &&
-			(fs = fopen (patch, "rb")))
-		    {
-			fclose (fs);
-		    }
-#ifdef MSB_FIRST
-		    // Swap the byte order of the 32-bit value triplets on
-		    // MSBFirst machines.
-		    uint8 *ptr = Memory.SDD1Index;
-		    for (int i = 0; i < Memory.SDD1Entries; i++, ptr += 12)
-		    {
-			SWAP_DWORD ((*(uint32 *) (ptr + 0)));
-			SWAP_DWORD ((*(uint32 *) (ptr + 4)));
-			SWAP_DWORD ((*(uint32 *) (ptr + 8)));
-		    }
-#endif
-		    qsort (Memory.SDD1Index, Memory.SDD1Entries, 12,
-			   S9xCompareSDD1IndexEntries);
-		}
-	    }
-	}
-	else
-	{
-	    fprintf (stderr, "Decompressed data pack not found in '%s'.\n", 
-                     filename);
-	}
-    }
-}
-
-bool8 S9xReadMousePosition (int which1, int &x, int &y, uint32 &buttons)
-{
-    return (FALSE);
-}
-
-bool8 S9xReadSuperScopePosition (int &x, int &y, uint32 &buttons)
-{
-    return (TRUE);
-}
-
-bool JustifierOffscreen()
-{
-    return (FALSE);
-}
-
-void JustifierButtons(uint32& justifiers)
-{
-}
-
-START_EXTERN_C
-char* osd_GetPackDir()
-{
-  static char filename[_MAX_PATH];
-  memset(filename, 0, _MAX_PATH);
-  
-  if(strlen(S9xGetSnapshotDirectory())!=0)
-    strcpy (filename, S9xGetSnapshotDirectory());
-  else
-  {
-    char dir [_MAX_DIR + 1];
-    char drive [_MAX_DRIVE + 1];
-    char name [_MAX_FNAME + 1];
-    char ext [_MAX_EXT + 1];
-    _splitpath(Memory.ROMFilename, drive, dir, name, ext);
-    _makepath(filename, drive, dir, NULL, NULL);
-  }
-  
-  if(!strncmp((char*)&Memory.ROM [0xffc0], "SUPER POWER LEAG 4   ", 21))
-  {
-    if (getenv("SPL4PACK"))
-      return getenv("SPL4PACK");
-    else 
-      strcat(filename, "/SPL4-SP7");
-  }
-  else if(!strncmp((char*)&Memory.ROM [0xffc0], "MOMOTETSU HAPPY      ",21))
-  {
-    if (getenv("MDHPACK"))
-      return getenv("MDHPACK");
-    else 
-      strcat(filename, "/SMHT-SP7");
-  }
-  else if(!strncmp((char*)&Memory.ROM [0xffc0], "HU TENGAI MAKYO ZERO ", 21))
-  {
-    if (getenv("FEOEZPACK"))
-      return getenv("FEOEZPACK");
-    else 
-      strcat(filename, "/FEOEZSP7");
-  }
-  else if(!strncmp((char*)&Memory.ROM [0xffc0], "JUMP TENGAIMAKYO ZERO",21))
-  {
-    if (getenv("SJNSPACK"))
-      return getenv("SJNSPACK");
-    else 
-      strcat(filename, "/SJUMPSP7");
-  } else strcat(filename, "/MISC-SP7");
-  return filename;
-}
-END_EXTERN_C
-
-
diff --git a/source/nds/entry.h b/source/nds/entry.h
deleted file mode 100644
index e1646fb..0000000
--- a/source/nds/entry.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifdef __cplusplus
-extern "C" {
-#endif
-	void game_disableAudio();
-	void game_set_frameskip();
-	void game_set_fluidity();
-	void game_set_retro();
-
-	int game_load_state(char* file);
-	int game_save_state(char* file);
-	void S9xAutoSaveSRAM ();
-
-	void game_restart(void);
-
-	int load_gamepak(const char* file);
-#ifdef __cplusplus
-}
-#endif
-
-const char *S9xGetFilename (const char *ex);
diff --git a/source/nds/font_dot.h b/source/nds/font_dot.h
deleted file mode 100644
index c3b534a..0000000
--- a/source/nds/font_dot.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* font_dot.h
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __FONT_DOT_H__
-#define __FONT_DOT_H__
-
-//version 0.1
-
-const unsigned char font_map[128][8] = {
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x08, 0x08, 0x08, 0x08, 
-        0x00, 0x00, 0x00, 0x78, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x0f, 0x00, 0x00, 0x00, 0x00, 
-        0x08, 0x08, 0x08, 0x78, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 
-        0x00, 0x00, 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x00, 0x00, 0x00, 
-        0x7c, 0x64, 0x44, 0x44, 0x64, 0x7c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x08, 0x10, 0x70, 0x50, 0x50, 0x70, 0x00, 
-        0x24, 0x24, 0x1c, 0x08, 0x3f, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-        0x16, 0x1a, 0x12, 0x12, 0x16, 0x34, 0x20, 0x00, 0x3c, 0x24, 0x24, 0x66, 0x24, 0x3c, 0x08, 0x08, 
-        0x08, 0x08, 0x08, 0x7f, 0x08, 0x08, 0x08, 0x08, 0x0c, 0x1c, 0x3c, 0x3c, 0x1c, 0x0c, 0x04, 0x00, 
-        0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x1c, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x00, 0x00, 
-        0x54, 0x54, 0x34, 0x14, 0x14, 0x14, 0x14, 0x14, 0x08, 0x08, 0x08, 0x7f, 0x00, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x7f, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x78, 0x08, 0x08, 0x08, 0x08, 
-        0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x0f, 0x08, 0x08, 0x08, 0x08, 
-        0x00, 0x00, 0x08, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x7c, 0x20, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, 0x10, 0x00, 
-        0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x14, 0x7e, 0x28, 0x7e, 0x28, 0x28, 0x00, 
-        0x1c, 0x2c, 0x28, 0x18, 0x0c, 0x2c, 0x3c, 0x08, 0x64, 0x68, 0x68, 0x7c, 0x1c, 0x1c, 0x2c, 0x00, 
-        0x30, 0x30, 0x3c, 0x28, 0x58, 0x50, 0x3c, 0x00, 0x30, 0x30, 0x10, 0x20, 0x00, 0x00, 0x00, 0x00,
-        0x04, 0x08, 0x10, 0x10, 0x10, 0x10, 0x08, 0x04, 0x40, 0x20, 0x10, 0x10, 0x10, 0x10, 0x20, 0x40, 
-        0x10, 0x54, 0x38, 0x38, 0x54, 0x10, 0x00, 0x00, 0x10, 0x10, 0x7c, 0x10, 0x10, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x40, 0x00, 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x08, 0x08, 0x10, 0x10, 0x20, 0x20, 0x20, 0x40, 
-        0x18, 0x24, 0x24, 0x24, 0x24, 0x24, 0x18, 0x00, 0x10, 0x30, 0x10, 0x10, 0x10, 0x10, 0x38, 0x00, 
-        0x18, 0x24, 0x04, 0x08, 0x10, 0x20, 0x3c, 0x00, 0x18, 0x24, 0x04, 0x18, 0x04, 0x24, 0x18, 0x00, 
-        0x08, 0x18, 0x28, 0x48, 0x7c, 0x08, 0x08, 0x00, 0x3c, 0x20, 0x38, 0x04, 0x04, 0x24, 0x18, 0x00, 
-        0x38, 0x40, 0x40, 0x78, 0x44, 0x44, 0x38, 0x00, 0x3c, 0x08, 0x08, 0x10, 0x10, 0x10, 0x10, 0x00, 
-        0x18, 0x24, 0x24, 0x18, 0x24, 0x24, 0x18, 0x00, 0x18, 0x24, 0x24, 0x1c, 0x04, 0x04, 0x18, 0x00, 
-        0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x10, 0x10, 0x20,
-        0x04, 0x08, 0x10, 0x20, 0x10, 0x08, 0x04, 0x00, 0x00, 0x00, 0x7c, 0x00, 0x00, 0x7c, 0x00, 0x00, 
-        0x20, 0x10, 0x08, 0x04, 0x08, 0x10, 0x20, 0x00, 0x10, 0x24, 0x24, 0x08, 0x10, 0x10, 0x00, 0x10,
-        0x38, 0x4c, 0x54, 0x5c, 0x54, 0x44, 0x38, 0x00, 0x10, 0x10, 0x28, 0x28, 0x38, 0x28, 0x6c, 0x00, 
-        0x78, 0x24, 0x38, 0x24, 0x24, 0x24, 0x78, 0x00, 0x3c, 0x44, 0x40, 0x40, 0x40, 0x44, 0x38, 0x00, 
-        0x78, 0x24, 0x24, 0x24, 0x24, 0x24, 0x78, 0x00, 0x7c, 0x24, 0x20, 0x38, 0x20, 0x24, 0x7c, 0x00, 
-        0x7c, 0x24, 0x28, 0x38, 0x28, 0x20, 0x70, 0x00, 0x38, 0x40, 0x40, 0x40, 0x5c, 0x48, 0x30, 0x00, 
-        0x76, 0x24, 0x24, 0x3c, 0x24, 0x24, 0x76, 0x00, 0x38, 0x10, 0x10, 0x10, 0x10, 0x10, 0x38, 0x00, 
-        0x38, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x60, 0x74, 0x28, 0x30, 0x30, 0x28, 0x28, 0x6c, 0x00, 
-        0x70, 0x20, 0x20, 0x20, 0x20, 0x24, 0x7c, 0x00, 0x66, 0x3c, 0x3c, 0x3c, 0x34, 0x24, 0x66, 0x00, 
-        0x6e, 0x24, 0x34, 0x34, 0x2c, 0x24, 0x74, 0x00, 0x38, 0x44, 0x44, 0x44, 0x44, 0x44, 0x38, 0x00, 
-        0x78, 0x24, 0x24, 0x38, 0x20, 0x20, 0x70, 0x00, 0x38, 0x44, 0x44, 0x44, 0x74, 0x4c, 0x38, 0x0c, 
-        0x78, 0x24, 0x38, 0x28, 0x24, 0x24, 0x76, 0x00, 0x1c, 0x24, 0x20, 0x18, 0x04, 0x24, 0x38, 0x00, 
-        0x7c, 0x54, 0x10, 0x10, 0x10, 0x10, 0x38, 0x00, 0x66, 0x24, 0x24, 0x24, 0x24, 0x24, 0x18, 0x00, 
-        0x6c, 0x28, 0x28, 0x28, 0x28, 0x10, 0x10, 0x00, 0x7e, 0x52, 0x52, 0x2c, 0x2c, 0x24, 0x24, 0x00, 
-        0x6c, 0x28, 0x28, 0x10, 0x28, 0x28, 0x6c, 0x00, 0x6c, 0x28, 0x28, 0x10, 0x10, 0x10, 0x38, 0x00, 
-        0x7c, 0x48, 0x10, 0x10, 0x20, 0x24, 0x7c, 0x00, 0x00, 0x1c, 0x10, 0x10, 0x10, 0x10, 0x10, 0x1c, 
-        0x20, 0x20, 0x10, 0x10, 0x08, 0x08, 0x08, 0x04, 0x00, 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x38, 
-        0x10, 0x28, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7C, 
-        0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x48, 0x38, 0x48, 0x3c, 0x00, 
-        0x60, 0x20, 0x38, 0x24, 0x24, 0x24, 0x38, 0x00, 0x00, 0x00, 0x1c, 0x24, 0x20, 0x20, 0x1c, 0x00, 
-        0x0c, 0x04, 0x1c, 0x24, 0x24, 0x24, 0x1e, 0x00, 0x00, 0x00, 0x18, 0x24, 0x3c, 0x20, 0x1c, 0x00, 
-        0x0c, 0x10, 0x3c, 0x10, 0x10, 0x10, 0x38, 0x00, 0x00, 0x00, 0x3c, 0x28, 0x38, 0x20, 0x3c, 0x3c, 
-        0x60, 0x20, 0x38, 0x24, 0x24, 0x24, 0x76, 0x00, 0x10, 0x00, 0x30, 0x10, 0x10, 0x10, 0x38, 0x00, 
-        0x08, 0x00, 0x18, 0x08, 0x08, 0x08, 0x08, 0x38, 0x60, 0x20, 0x2c, 0x28, 0x30, 0x28, 0x6c, 0x00, 
-        0x30, 0x10, 0x10, 0x10, 0x10, 0x10, 0x38, 0x00, 0x00, 0x00, 0x78, 0x54, 0x54, 0x54, 0x54, 0x00, 
-        0x00, 0x00, 0x78, 0x24, 0x24, 0x24, 0x76, 0x00, 0x00, 0x00, 0x38, 0x44, 0x44, 0x44, 0x38, 0x00, 
-        0x00, 0x00, 0x78, 0x24, 0x24, 0x24, 0x38, 0x70, 0x00, 0x00, 0x1c, 0x24, 0x24, 0x24, 0x1c, 0x0e, 
-        0x00, 0x00, 0x34, 0x18, 0x10, 0x10, 0x38, 0x00, 0x00, 0x00, 0x3c, 0x20, 0x18, 0x04, 0x3c, 0x00, 
-        0x10, 0x10, 0x38, 0x10, 0x10, 0x10, 0x08, 0x00, 0x00, 0x00, 0x6c, 0x24, 0x24, 0x24, 0x1e, 0x00, 
-        0x00, 0x00, 0x6c, 0x28, 0x28, 0x28, 0x10, 0x00, 0x00, 0x00, 0x6f, 0x2a, 0x2a, 0x36, 0x14, 0x00, 
-        0x00, 0x00, 0x7c, 0x28, 0x10, 0x28, 0x7c, 0x00, 0x00, 0x00, 0x7c, 0x28, 0x10, 0x10, 0x20, 0x60, 
-        0x00, 0x00, 0x3c, 0x08, 0x08, 0x10, 0x3c, 0x00, 0x00, 0x08, 0x10, 0x10, 0x20, 0x10, 0x10, 0x08, 
-        0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x20, 0x10, 0x10, 0x08, 0x10, 0x10, 0x20, 
-        0x00, 0x00, 0x20, 0x54, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-                              };
-
-#endif //__FONT_DOT_H__
-
diff --git a/source/nds/gcheat.c b/source/nds/gcheat.c
deleted file mode 100644
index 93d89cc..0000000
--- a/source/nds/gcheat.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* gcheat.c
- *
- * Copyright (C) 2012 GBAtemp user Nebuleon.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "port.h"
-#include "string.h"
-#include "fs_api.h"
-#include "ds2_malloc.h"
-#include "gcheat.h"
-#include "cheats.h"
-
-extern struct SCheatData Cheat;
-
-// Reads a cheat text file in BSNES's format.
-int NDSSFCLoadCheatFile(const char* filename)
-{
-	FILE* fp = fopen(filename, "r");
-	if (fp == NULL)
-		return -1;
-
-	S9xDeleteCheats();
-
-	// The construction is "a","b","c" <newline>.
-	// a is ignored. In BSNES, it decides whether the code is enabled.
-	// b is a series of codes separated by +. Each of the codes is in the form
-	//   accepted by the Game Genie, Pro Action Replay, or the GoldFinger.
-	// c is the cheat's description.
-	char line[256], code[24];
-	char *description, *codes_ptr;
-	uint32 address;
-	uint8 byte;
-	uint8 bytes [3];
-	bool8 sram;
-	uint8 num_bytes;
-
-	while (fgets(line, sizeof(line), fp))
-	{
-		char* ptr = &line[0];
-		// Ignore a.
-		while (*ptr && *ptr != ',')
-			ptr++;
-		// If there was no comma, declare a bad file.
-		if (*ptr == '\0') {
-			fclose(fp);
-			return -2;
-		}
-		ptr++; // Past the comma
-
-		if (*ptr && *ptr == '"')
-			ptr++; // Starting quote of b.
-		codes_ptr = ptr; // Save this for later.
-		while (*ptr && *ptr != ',')
-			ptr++;
-		// If there was no comma, declare a bad file.
-		if (*ptr == '\0') {
-			fclose(fp);
-			return -2;
-		}
-		*ptr = '\0'; // End the codes there
-		ptr++; // Past the comma
-
-		uint32 i = 0;
-		description = ptr; // Skip starting " in description
-		while (*description && *description == '"')
-			description++;
-		ptr = description;
-		while (*ptr && !(*ptr == '\r' || *ptr == '\n' || *ptr == '"') && i < MAX_SFCCHEAT_NAME - 1) {
-			ptr++; // Remove trailing newline/quote in description
-			i++; // Clip the cheat name to MAX_SFCCHEAT_NAME chars
-		}
-		*ptr = '\0';
-
-		uint32 c;
-		// n is the number of cheat codes. Beware of MAX_CHEATS_T.
-
-		// List of cheat codes having the same description.
-		ptr = codes_ptr;
-		while (*ptr && !(*ptr == ',' || *ptr == '"')) {
-			if (Cheat.num_cheats >= MAX_CHEATS_T) {
-				fclose(fp);
-				return 0;
-			}
-			i = 0;
-			while (*ptr && !(*ptr == '+' || *ptr == ',' || *ptr == '"') && i < sizeof(code) - 1)
-				code[i++] = *ptr++;
-			if (*ptr)
-				ptr++; // Go past the + , or "
-			code[i] = '\0';
-			if (!S9xGameGenieToRaw (code, &address, &byte)) {
-				S9xAddCheat (FALSE, FALSE, address, byte);
-				strncpy (Cheat.c[Cheat.num_cheats - 1].name, description, MAX_SFCCHEAT_NAME);
-			}
-			else if (!S9xProActionReplayToRaw (code, &address, &byte)) {
-				S9xAddCheat (FALSE, FALSE, address, byte);
-				strncpy (Cheat.c[Cheat.num_cheats - 1].name, description, MAX_SFCCHEAT_NAME);
-			}
-			else if (!S9xGoldFingerToRaw (code, &address, &sram, &num_bytes, bytes))
-			{
-				for (c = 0; c < num_bytes; c++) {
-					S9xAddCheat (FALSE, FALSE, address + c, bytes[c]);
-					strncpy (Cheat.c[Cheat.num_cheats - 1].name, description, MAX_SFCCHEAT_NAME);
-				}
-			}
-			else {
-				fclose(fp);
-				return -3; // Bad cheat format
-			}
-		}
-	}
-
-	fclose(fp);
-	return 0;
-}
diff --git a/source/nds/gcheat.h b/source/nds/gcheat.h
deleted file mode 100644
index 65d480e..0000000
--- a/source/nds/gcheat.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* gcheat.h
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __GCHEAT_H__
-#define __GCHEAT_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "cheats.h"
-
-#define CHEATS_PER_PAGE 6
-#define MAX_CHEATS_PAGE (MAX_CHEATS_T / CHEATS_PER_PAGE)
-
-extern int NDSSFCLoadCheatFile(const char* filename);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif //__GCHEAT_H__
diff --git a/source/nds/gui.c b/source/nds/gui.c
deleted file mode 100644
index 0d91d79..0000000
--- a/source/nds/gui.c
+++ /dev/null
@@ -1,4936 +0,0 @@
-/* gui.c
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "snes9x.h"
-
-#include <stdio.h>
-#include <string.h>
-#include <sys/stat.h>
-
-#include "port.h"
-#include "ds2_types.h"
-#include "ds2_timer.h"
-#include "ds2io.h"
-#include "ds2_malloc.h"
-#include "ds2_cpu.h"
-#include "fs_api.h"
-#include "key.h"
-#include "gui.h"
-#include "entry.h"
-#include "draw.h"
-#include "message.h"
-#include "bitmap.h"
-#include "gcheat.h"
-#include "cheatgrp.h"
-
-extern struct SCheatData Cheat;
-
-char	main_path[MAX_PATH];
-char	rom_path[MAX_PATH];
-char	gamepak_name[MAX_PATH];
-char	gcheat_filename[MAX_PATH];
-
-//program arguments
-char  argv[2][MAX_PATH];
-
-// If adding a language, make sure you update the size of the array in
-// message.h too.
-char *lang[8] =
-	{
-		"English",					// 0
-		"简体中文",					// 1
-		"Français", 					// 2
-		"Deutsch",					// 3
-		"Nederlands",					// 4
-		"Español",					// 5
-		"Italiano",					// 6
-		"Português (Br.)",				// 7
-	};
-
-char *language_options[] = { (char *) &lang[0], (char *) &lang[1], (char *) &lang[2], (char *) &lang[3], (char *) &lang[4], (char *) &lang[5], (char *) &lang[6], (char *) &lang[7] };
-
-/******************************************************************************
-*	Macro definition
- ******************************************************************************/
-#define SUBMENU_ROW_NUM	8
-#define FILE_LIST_ROWS SUBMENU_ROW_NUM
-
-#define NDSSFC_VERSION "1.36"
-
-#define SAVE_STATE_SLOT_NUM		16
-
-#define LANGUAGE_PACK   "SYSTEM/language.msg"
-#define EMU_CONFIG_FILENAME "SYSTEM/ndssfc.cfg"
-
-//emulator configure file's header
-#define EMU_CONFIG_HEADER  "NSFC1.0"
-#define EMU_CONFIG_HEADER_SIZE 7
-EMU_CONFIG emu_config;
-
-//game configure file's header
-#define GAME_CONFIG_HEADER     "GSFC1.1" // 1.1 removed cheat names
-#define GAME_CONFIG_HEADER_SIZE 7
-GAME_CONFIG game_config;
-
-//save state file map
-static uint32 savestate_index; // current selection in the saved states menu
-static int32 latest_save; // Slot number of the latest (in time) save for this game, or -1 if none
-static bool8 SavedStateExistenceCached [SAVE_STATE_SLOT_NUM]; // [I] == TRUE if Cache[I] is meaningful
-static bool8 SavedStateExistenceCache [SAVE_STATE_SLOT_NUM];
-
-// These are U+05C8 and subsequent codepoints encoded in UTF-8.
-const uint8 HOTKEY_A_DISPLAY[] = {0xD7, 0x88, 0x00};
-const uint8 HOTKEY_B_DISPLAY[] = {0xD7, 0x89, 0x00};
-const uint8 HOTKEY_X_DISPLAY[] = {0xD7, 0x8A, 0x00};
-const uint8 HOTKEY_Y_DISPLAY[] = {0xD7, 0x8B, 0x00};
-const uint8 HOTKEY_L_DISPLAY[] = {0xD7, 0x8C, 0x00};
-const uint8 HOTKEY_R_DISPLAY[] = {0xD7, 0x8D, 0x00};
-const uint8 HOTKEY_START_DISPLAY[] = {0xD7, 0x8E, 0x00};
-const uint8 HOTKEY_SELECT_DISPLAY[] = {0xD7, 0x8F, 0x00};
-// These are U+2190 and subsequent codepoints encoded in UTF-8.
-const uint8 HOTKEY_LEFT_DISPLAY[] = {0xE2, 0x86, 0x90, 0x00};
-const uint8 HOTKEY_UP_DISPLAY[] = {0xE2, 0x86, 0x91, 0x00};
-const uint8 HOTKEY_RIGHT_DISPLAY[] = {0xE2, 0x86, 0x92, 0x00};
-const uint8 HOTKEY_DOWN_DISPLAY[] = {0xE2, 0x86, 0x93, 0x00};
-
-#define MAKE_MENU(name, init_function, passive_function, key_function, end_function, \
-	focus_option, screen_focus)												  \
-  MENU_TYPE name##_menu =                                                     \
-  {                                                                           \
-    init_function,                                                            \
-    passive_function,                                                         \
-	key_function,															  \
-	end_function,															  \
-    name##_options,                                                           \
-    sizeof(name##_options) / sizeof(MENU_OPTION_TYPE),                        \
-	focus_option,															  \
-	screen_focus															  \
-  }                                                                           \
-
-#define INIT_MENU(name, init_functions, passive_functions, key, end, focus, screen)\
-	{																		  \
-    name##_menu.init_function = init_functions,								  \
-    name##_menu.passive_function = passive_functions,						  \
-	name##_menu.key_function = key,											  \
-	name##_menu.end_function = end,											  \
-    name##_menu.options = name##_options,									  \
-    name##_menu.num_options = sizeof(name##_options) / sizeof(MENU_OPTION_TYPE),\
-	name##_menu.focus_option = focus,										  \
-	name##_menu.screen_focus = screen;										  \
-	}																		  \
-
-#define CHEAT_OPTION(action_function, passive_function, number, line_number)  \
-{                                                                             \
-  action_function,                                                            \
-  passive_function,                                                           \
-  NULL,                                                                       \
-  &cheat_data_ptr[number],                                                    \
-  NULL /* enable_disable_options */,                                                     \
-  NULL,				                            	  \
-  2,                                                                          \
-  NULL,                                                                       \
-  line_number,                                                                \
-  ACTION_TYPE                                         \
-}                                                                             \
-
-#define ACTION_OPTION(action_function, passive_function, display_string,      \
- help_string, line_number)                                                    \
-{                                                                             \
-  action_function,                                                            \
-  passive_function,                                                           \
-  NULL,                                                                       \
-  display_string,                                                             \
-  NULL,                                                                       \
-  NULL,                                                                       \
-  0,                                                                          \
-  help_string,                                                                \
-  line_number,                                                                \
-  ACTION_TYPE                                                               \
-}                                                                             \
-
-#define SUBMENU_OPTION(sub_menu, display_string, help_string, line_number)    \
-{                                                                             \
-  NULL,                                                                       \
-  NULL,                                                                       \
-  sub_menu,                                                                   \
-  display_string,                                                             \
-  NULL,                                                                       \
-  NULL,                                                                       \
-  sizeof(sub_menu) / sizeof(MENU_OPTION_TYPE),                                \
-  help_string,                                                                \
-  line_number,                                                                \
-  SUBMENU_TYPE                                                              \
-}                                                                             \
-
-#define SELECTION_OPTION(passive_function, display_string, options,           \
- option_ptr, num_options, help_string, line_number, type)                     \
-{                                                                             \
-  NULL,                                                                       \
-  passive_function,                                                           \
-  NULL,                                                                       \
-  display_string,                                                             \
-  options,                                                                    \
-  option_ptr,                                                                 \
-  num_options,                                                                \
-  help_string,                                                                \
-  line_number,                                                                \
-  type                                                                        \
-}                                                                             \
-
-#define ACTION_SELECTION_OPTION(action_function, passive_function,            \
- display_string, options, option_ptr, num_options, help_string, line_number,  \
- type)                                                                        \
-{                                                                             \
-  action_function,                                                            \
-  passive_function,                                                           \
-  NULL,                                                                       \
-  display_string,                                                             \
-  options,                                                                    \
-  option_ptr,                                                                 \
-  num_options,                                                                \
-  help_string,                                                                \
-  line_number,                                                                \
-  type | ACTION_TYPE                                                        \
-}                                                                             \
-
-#define STRING_SELECTION_OPTION(action_function, passive_function,            \
-    display_string, options, option_ptr, num_options, help_string, action, line_number)\
-{                                                                             \
-  action_function,                                                            \
-  passive_function,                                                           \
-  NULL,                                                                       \
-  display_string,                                                             \
-  options,                                                                    \
-  option_ptr,                                                                 \
-  num_options,                                                                \
-  help_string,                                                                \
-  line_number,                                                                \
-  STRING_SELECTION_TYPE | action                                              \
-}
-
-#define NUMERIC_SELECTION_OPTION(passive_function, display_string,            \
- option_ptr, num_options, help_string, line_number)                           \
-  SELECTION_OPTION(passive_function, display_string, NULL, option_ptr,        \
-   num_options, help_string, line_number, NUMBER_SELECTION_TYPE)              \
-
-#define STRING_SELECTION_HIDEN_OPTION(action_function, passive_function,      \
- display_string, options, option_ptr, num_options, help_string, line_number)  \
-  ACTION_SELECTION_OPTION(action_function, passive_function,                  \
-   display_string,  options, option_ptr, num_options, help_string,            \
-   line_number, (STRING_SELECTION_TYPE | HIDEN_TYPE))                         \
-
-#define NUMERIC_SELECTION_ACTION_OPTION(action_function, passive_function,    \
- display_string, option_ptr, num_options, help_string, line_number)           \
-  ACTION_SELECTION_OPTION(action_function, passive_function,                  \
-   display_string,  NULL, option_ptr, num_options, help_string,               \
-   line_number, NUMBER_SELECTION_TYPE)                                        \
-
-#define NUMERIC_SELECTION_HIDE_OPTION(action_function, passive_function,      \
-    display_string, option_ptr, num_options, help_string, line_number)        \
-  ACTION_SELECTION_OPTION(action_function, passive_function,                  \
-   display_string, NULL, option_ptr, num_options, help_string,                \
-   line_number, NUMBER_SELECTION_TYPE)                                        \
-
-
-typedef enum
-{
-	NUMBER_SELECTION_TYPE = 0x01,
-	STRING_SELECTION_TYPE = 0x02,
-	SUBMENU_TYPE          = 0x04,
-	ACTION_TYPE           = 0x08,
-	HIDEN_TYPE            = 0x10,
-	PASSIVE_TYPE          = 0x00,
-} MENU_OPTION_TYPE_ENUM;
-
-struct _MENU_OPTION_TYPE
-{
-	void (* action_function)();				//Active option to process input
-	void (* passive_function)();			//Passive function to process this option
-	struct _MENU_TYPE *sub_menu;			//Sub-menu of this option
-	char **display_string;					//Name and other things of this option
-	void *options;							//output value of this option
-	u32 *current_option;					//output values
-	u32 num_options;						//Total output values
-	char **help_string;						//Help string
-	u32 line_number;						//Order id of this option in it menu
-	MENU_OPTION_TYPE_ENUM option_type;		//Option types
-};
-
-struct _MENU_TYPE
-{
-	void (* init_function)();				//Function to initialize this menu
-	void (* passive_function)();			//Function to draw this menu
-	void (* key_function)();				//Function to process input
-	void (* end_function)();				//End process of this menu
-	struct _MENU_OPTION_TYPE *options;		//Options array
-	u32	num_options;						//Total options of this menu
-	u32	focus_option;						//Option which obtained focus
-	u32	screen_focus;						//screen positon of the focus option
-};
-
-typedef struct _MENU_OPTION_TYPE MENU_OPTION_TYPE;
-typedef struct _MENU_TYPE MENU_TYPE;
-
-/******************************************************************************
- ******************************************************************************/
-char g_default_rom_dir[MAX_PATH];
-char DEFAULT_RTS_DIR[MAX_PATH];
-char DEFAULT_CFG_DIR[MAX_PATH];
-char DEFAULT_SS_DIR[MAX_PATH];
-char DEFAULT_CHEAT_DIR[MAX_PATH];
-u32 game_fast_forward= 0;
-u32 temporary_fast_forward = 0;
-u32 game_enable_audio = 1;
-
-
-
-
-/******************************************************************************
- ******************************************************************************/
-static u32 menu_cheat_page = 0;
-u32 gamepad_config_menu;
-
-/******************************************************************************
- ******************************************************************************/
-static void get_savestate_filelist(void);
-static void get_savestate_filename(u32 slot, char *name_buffer);
-static uint8 SavedStateSquareX (u32 slot);
-static bool8 SavedStateFileExists (u32 slot);
-static void SavedStateCacheInvalidate (void);
-void get_newest_savestate(char *name_buffer);
-static u32 parse_line(char *current_line, char *current_str);
-static void get_timestamp_string(char *buffer, u16 msg_id, u16 year, u16 mon, u16 day, u16 wday, u16 hour, u16 min, u16 sec, u32 msec);
-static void get_time_string(char *buff, struct rtc *rtcp);
-static u32 save_ss_bmp(u16 *image);
-static u32 save_menu_ss_bmp(u16 *image);
-static void init_game_config(void);
-static void init_emulator_config(void);
-static void load_game_config_file(void);
-static int load_emu_config_file(void);
-static int save_game_config_file(void);
-static int save_emu_config_file(void);
-static void reorder_latest_file(void);
-static void quit(void);
-
-/*--------------------------------------------------------
-	Get GUI input
---------------------------------------------------------*/
-#define BUTTON_REPEAT_START (21428 / 2)
-#define BUTTON_REPEAT_CONTINUE (21428 / 20)
-
-u32 button_repeat_timestamp;
-
-typedef enum
-{
-  BUTTON_NOT_HELD,
-  BUTTON_HELD_INITIAL,
-  BUTTON_HELD_REPEAT
-} button_repeat_state_type;
-
-button_repeat_state_type button_repeat_state = BUTTON_NOT_HELD;
-unsigned int gui_button_repeat = 0;
-
-gui_action_type key_to_cursor(unsigned int key)
-{
-	switch (key)
-	{
-		case KEY_UP:	return CURSOR_UP;
-		case KEY_DOWN:	return CURSOR_DOWN;
-		case KEY_LEFT:	return CURSOR_LEFT;
-		case KEY_RIGHT:	return CURSOR_RIGHT;
-		case KEY_L:	return CURSOR_LTRIGGER;
-		case KEY_R:	return CURSOR_RTRIGGER;
-		case KEY_A:	return CURSOR_SELECT;
-		case KEY_B:	return CURSOR_BACK;
-		case KEY_X:	return CURSOR_EXIT;
-		case KEY_TOUCH:	return CURSOR_TOUCH;
-		default:	return CURSOR_NONE;
-	}
-}
-
-static unsigned int gui_keys[] = {
-	KEY_A, KEY_B, KEY_X, KEY_L, KEY_R, KEY_TOUCH, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT
-};
-
-gui_action_type get_gui_input(void)
-{
-	gui_action_type	ret;
-
-	struct key_buf inputdata;
-	ds2_getrawInput(&inputdata);
-
-	if (inputdata.key & KEY_LID)
-	{
-		ds2_setSupend();
-		do {
-			ds2_getrawInput(&inputdata);
-			mdelay(1);
-		} while (inputdata.key & KEY_LID);
-		ds2_wakeup();
-		// In the menu, the lower screen's backlight needs to be on,
-		// and it is on right away after resuming from suspend.
-		// mdelay(100); // needed to avoid ds2_setBacklight crashing
-		// ds2_setBacklight(3);
-	}
-
-	if ((inputdata.key & (KEY_L | KEY_R)) == (KEY_L | KEY_R))
-	{
-		save_menu_ss_bmp(down_screen_addr);
-		do {
-			ds2_getrawInput(&inputdata);
-			mdelay(1);
-		} while ((inputdata.key & (KEY_L | KEY_R)) == (KEY_L | KEY_R));
-	}
-
-	unsigned int i;
-	while (1)
-	{
-		switch (button_repeat_state)
-		{
-		case BUTTON_NOT_HELD:
-			// Pick the first pressed button out of the gui_keys array.
-			for (i = 0; i < sizeof(gui_keys) / sizeof(gui_keys[0]); i++)
-			{
-				if (inputdata.key & gui_keys[i])
-				{
-					button_repeat_state = BUTTON_HELD_INITIAL;
-					button_repeat_timestamp = getSysTime();
-					gui_button_repeat = gui_keys[i];
-					return key_to_cursor(gui_keys[i]);
-				}
-			}
-			return CURSOR_NONE;
-		case BUTTON_HELD_INITIAL:
-		case BUTTON_HELD_REPEAT:
-			// If the key that was being held isn't anymore...
-			if (!(inputdata.key & gui_button_repeat))
-			{
-				button_repeat_state = BUTTON_NOT_HELD;
-				// Go see if another key is held (try #2)
-				break;
-			}
-			else
-			{
-				unsigned int IsRepeatReady = getSysTime() - button_repeat_timestamp >= (button_repeat_state == BUTTON_HELD_INITIAL ? BUTTON_REPEAT_START : BUTTON_REPEAT_CONTINUE);
-				if (!IsRepeatReady)
-				{
-					// Temporarily turn off the key.
-					// It's not its turn to be repeated.
-					inputdata.key &= ~gui_button_repeat;
-				}
-				
-				// Pick the first pressed button out of the gui_keys array.
-				for (i = 0; i < sizeof(gui_keys) / sizeof(gui_keys[0]); i++)
-				{
-					if (inputdata.key & gui_keys[i])
-					{
-						// If it's the held key,
-						// it's now repeating quickly.
-						button_repeat_state = gui_keys[i] == gui_button_repeat ? BUTTON_HELD_REPEAT : BUTTON_HELD_INITIAL;
-						button_repeat_timestamp = getSysTime();
-						gui_button_repeat = gui_keys[i];
-						return key_to_cursor(gui_keys[i]);
-					}
-				}
-				// If it was time for the repeat but it
-				// didn't occur, stop repeating.
-				if (IsRepeatReady) button_repeat_state = BUTTON_NOT_HELD;
-				return CURSOR_NONE;
-			}
-		}
-	}
-}
-
-/*--------------------------------------------------------
-	Wait any key in [key_list] pressed
-	if key_list == NULL, return at any key pressed
---------------------------------------------------------*/
-unsigned int wait_Anykey_press(unsigned int key_list)
-{
-	unsigned int key;
-
-	while(1)
-	{
-		key = getKey();
-		if(key) {
-			if(0 == key_list) break;
-			else if(key & key_list) break;
-		}
-	}
-
-	return key;
-}
-
-/*--------------------------------------------------------
-	Wait all key in [key_list] released
-	if key_list == NULL, return at all key released
---------------------------------------------------------*/
-void wait_Allkey_release(unsigned int key_list)
-{
-	unsigned int key;
-    struct key_buf inputdata;
-
-	while(1)
-	{
-		ds2_getrawInput(&inputdata);
-		key = inputdata.key;
-
-		if(0 == key) break;
-		else if(!key_list) continue;
-		else if(0 == (key_list & key)) break;
-	}
-}
-
-void change_ext(char *src, char *buffer, char *extension)
-{
-	char *dot_position;
-
-	strcpy(buffer, src);
-	dot_position = strrchr(buffer, '.');
-
-	if(dot_position)
-		strcpy(dot_position, extension);
-}
-
-/*--------------------------------------------------------
-	Sort function
---------------------------------------------------------*/
-static int nameSortFunction(char* a, char* b)
-{
-    // ".." sorts before everything except itself.
-    bool aIsParent = strcmp(a, "..") == 0;
-    bool bIsParent = strcmp(b, "..") == 0;
-
-    if (aIsParent && bIsParent)
-        return 0;
-    else if (aIsParent) // Sorts before
-        return -1;
-    else if (bIsParent) // Sorts after
-        return 1;
-    else
-        return strcasecmp(a, b);
-}
-
-/*
- * Determines whether a portion of a vector is sorted.
- * Input assertions: 'from' and 'to' are valid indices into data. 'to' can be
- *   the maximum value for the type 'unsigned int'.
- * Input: 'data', data vector, possibly sorted.
- *        'sortFunction', function determining the sort order of two elements.
- *        'from', index of the first element in the range to test.
- *        'to', index of the last element in the range to test.
- * Output: true if, for any valid index 'i' such as from <= i < to,
- *   data[i] < data[i + 1].
- *   true if the range is one or no elements, or if from > to.
- *   false otherwise.
- */
-static bool isSorted(char** data, int (*sortFunction) (char*, char*), unsigned int from, unsigned int to)
-{
-    if (from >= to)
-        return true;
-
-    char** prev = &data[from];
-	unsigned int i;
-    for (i = from + 1; i < to; i++)
-    {
-        if ((*sortFunction)(*prev, data[i]) > 0)
-            return false;
-        prev = &data[i];
-    }
-    if ((*sortFunction)(*prev, data[to]) > 0)
-        return false;
-
-    return true;
-}
-
-/*
- * Chooses a pivot for Quicksort. Uses the median-of-three search algorithm
- * first proposed by Robert Sedgewick.
- * Input assertions: 'from' and 'to' are valid indices into data. 'to' can be
- *   the maximum value for the type 'unsigned int'.
- * Input: 'data', data vector.
- *        'sortFunction', function determining the sort order of two elements.
- *        'from', index of the first element in the range to be sorted.
- *        'to', index of the last element in the range to be sorted.
- * Output: a valid index into data, between 'from' and 'to' inclusive.
- */
-static unsigned int choosePivot(char** data, int (*sortFunction) (char*, char*), unsigned int from, unsigned int to)
-{
-    // The highest of the two extremities is calculated first.
-    unsigned int highest = ((*sortFunction)(data[from], data[to]) > 0)
-        ? from
-        : to;
-    // Then the lowest of that highest extremity and the middle
-    // becomes the pivot.
-    return ((*sortFunction)(data[from + (to - from) / 2], data[highest]) < 0)
-        ? (from + (to - from) / 2)
-        : highest;
-}
-
-/*
- * Partition function for Quicksort. Moves elements such that those that are
- * less than the pivot end up before it in the data vector.
- * Input assertions: 'from', 'to' and 'pivotIndex' are valid indices into data.
- *   'to' can be the maximum value for the type 'unsigned int'.
- * Input: 'data', data vector.
- *        'metadata', data describing the values in 'data'.
- *        'sortFunction', function determining the sort order of two elements.
- *        'from', index of the first element in the range to sort.
- *        'to', index of the last element in the range to sort.
- *        'pivotIndex', index of the value chosen as the pivot.
- * Output: the index of the value chosen as the pivot after it has been moved
- *   after all the values that are less than it.
- */
-static unsigned int partition(char** data, u8* metadata, int (*sortFunction) (char*, char*), unsigned int from, unsigned int to, unsigned int pivotIndex)
-{
-    char* pivotValue = data[pivotIndex];
-    data[pivotIndex] = data[to];
-    data[to] = pivotValue;
-    {
-        u8 tM = metadata[pivotIndex];
-        metadata[pivotIndex] = metadata[to];
-        metadata[to] = tM;
-    }
-
-    unsigned int storeIndex = from;
-	unsigned int i;
-    for (i = from; i < to; i++)
-    {
-        if ((*sortFunction)(data[i], pivotValue) < 0)
-        {
-            char* tD = data[storeIndex];
-            data[storeIndex] = data[i];
-            data[i] = tD;
-            u8 tM = metadata[storeIndex];
-            metadata[storeIndex] = metadata[i];
-            metadata[i] = tM;
-            ++storeIndex;
-        }
-    }
-
-    {
-        char* tD = data[to];
-        data[to] = data[storeIndex];
-        data[storeIndex] = tD;
-        u8 tM = metadata[to];
-        metadata[to] = metadata[storeIndex];
-        metadata[storeIndex] = tM;
-    }
-    return storeIndex;
-}
-
-/*
- * Sorts an array while keeping metadata in sync.
- * This sort is unstable and its average performance is
- *   O(data.size() * log2(data.size()).
- * Input assertions: for any valid index 'i' in data, index 'i' is valid in
- *   metadata. 'from' and 'to' are valid indices into data. 'to' can be
- *   the maximum value for the type 'unsigned int'.
- * Invariant: index 'i' in metadata describes index 'i' in data.
- * Input: 'data', data to sort.
- *        'metadata', data describing the values in 'data'.
- *        'sortFunction', function determining the sort order of two elements.
- *        'from', index of the first element in the range to sort.
- *        'to', index of the last element in the range to sort.
- */
-static void quickSort(char** data, u8* metadata, int (*sortFunction) (char*, char*), unsigned int from, unsigned int to)
-{
-    if (isSorted(data, sortFunction, from, to))
-        return;
-
-    unsigned int pivotIndex = choosePivot(data, sortFunction, from, to);
-    unsigned int newPivotIndex = partition(data, metadata, sortFunction, from, to, pivotIndex);
-    if (newPivotIndex > 0)
-        quickSort(data, metadata, sortFunction, from, newPivotIndex - 1);
-    if (newPivotIndex < to)
-        quickSort(data, metadata, sortFunction, newPivotIndex + 1, to);
-}
-
-static void strupr(char *str)
-{
-    while(*str)
-    {
-        if(*str <= 0x7A && *str >= 0x61) *str -= 0x20;
-        str++;
-    }
-}
-
-// ******************************************************************************
-//	get file list
-// ******************************************************************************
-
-s32 load_file(char **wildcards, char *result, char *default_dir_name)
-{
-	if (default_dir_name == NULL || *default_dir_name == '\0')
-		return -4;
-
-	char CurrentDirectory[MAX_PATH];
-	u32  ContinueDirectoryRead = 1;
-	u32  ReturnValue;
-	u32  i;
-
-	strcpy(CurrentDirectory, default_dir_name);
-
-	while (ContinueDirectoryRead)
-	{
-		// Read the current directory. This loop is continued every time the
-		// current directory changes.
-		HighFrequencyCPU();
-
-		show_icon(down_screen_addr, &ICON_SUBBG, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLE, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLEICON, TITLE_ICON_X, TITLE_ICON_Y);
-		PRINT_STRING_BG(down_screen_addr, msg[MSG_FILE_MENU_LOADING_LIST], COLOR_WHITE, COLOR_TRANS, 49, 10);
-		ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-		u32 LastCountDisplayTime = getSysTime();
-
-		char** EntryNames = NULL;
-		u8*    EntryDirectoryFlags = NULL;
-		DIR*   CurrentDirHandle = NULL;
-		u32    EntryCount = 1, EntryCapacity = 4 /* initial */;
-
-		EntryNames = (char**) malloc(EntryCapacity * sizeof(char*));
-		if (EntryNames == NULL)
-		{
-			ReturnValue = -2;
-			ContinueDirectoryRead = 0;
-			goto cleanup;
-		}
-
-		EntryDirectoryFlags = (u8*) malloc(EntryCapacity * sizeof(u8));
-		if (EntryDirectoryFlags == NULL)
-		{
-			ReturnValue = -2;
-			ContinueDirectoryRead = 0;
-			goto cleanup;
-		}
-
-		CurrentDirHandle = opendir(CurrentDirectory);
-		if(CurrentDirHandle == NULL) {
-			ReturnValue = -1;
-			ContinueDirectoryRead = 0;
-			goto cleanup;
-		}
-
-		EntryNames[0] = "..";
-		EntryDirectoryFlags[0] = 1;
-
-		dirent*     CurrentEntryHandle;
-		struct stat Stat;
-
-		while((CurrentEntryHandle = readdir_ex(CurrentDirHandle, &Stat)) != NULL)
-		{
-			u32   Now = getSysTime();
-			u32   AddEntry = 0;
-			char* Name = CurrentEntryHandle->d_name;
-
-			if (Now >= LastCountDisplayTime + 5859 /* 250 ms */)
-			{
-				LastCountDisplayTime = Now;
-
-				show_icon(down_screen_addr, &ICON_TITLE, 0, 0);
-				show_icon(down_screen_addr, &ICON_TITLEICON, TITLE_ICON_X, TITLE_ICON_Y);
-				char Line[384], Element[128];
-				strcpy(Line, msg[MSG_FILE_MENU_LOADING_LIST]);
-				sprintf(Element, " (%u)", EntryCount);
-				strcat(Line, Element);
-				PRINT_STRING_BG(down_screen_addr, Line, COLOR_WHITE, COLOR_TRANS, 49, 10);
-				ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-			}
-
-			if(S_ISDIR(Stat.st_mode))
-			{
-				// Add directories no matter what, except for the special
-				// ones, "." and "..".
-				if (!(Name[0] == '.' &&
-				    (Name[1] == '\0' || (Name[1] == '.' && Name[2] == '\0'))
-				   ))
-				{
-					AddEntry = 1;
-				}
-			}
-			else
-			{
-				if (wildcards[0] == NULL) // Show every file
-					AddEntry = 1;
-				else
-				{
-					// Add files only if their extension is in the list.
-					char* Extension = strrchr(Name, '.');
-					if (Extension != NULL)
-					{
-						for(i = 0; wildcards[i] != NULL; i++)
-						{
-							if(strcasecmp(Extension, wildcards[i]) == 0)
-							{
-								AddEntry = 1;
-								break;
-							}
-						}
-					}
-				}
-			}
-
-			if (AddEntry)
-			{
-				// Ensure we have enough capacity in the char* array first.
-				if (EntryCount == EntryCapacity)
-				{
-					void* NewEntryNames = realloc(EntryNames, EntryCapacity * 2 * sizeof(char*));
-					if (NewEntryNames == NULL)
-					{
-						ReturnValue = -2;
-						ContinueDirectoryRead = 0;
-						goto cleanup;
-					}
-					else
-						EntryNames = NewEntryNames;
-
-					void* NewEntryDirectoryFlags = realloc(EntryDirectoryFlags, EntryCapacity * 2 * sizeof(char*));
-					if (NewEntryDirectoryFlags == NULL)
-					{
-						ReturnValue = -2;
-						ContinueDirectoryRead = 0;
-						goto cleanup;
-					}
-					else
-						EntryDirectoryFlags = NewEntryDirectoryFlags;
-
-					EntryCapacity *= 2;
-				}
-
-				// Then add the entry.
-				EntryNames[EntryCount] = malloc(strlen(Name) + 1);
-				if (EntryNames[EntryCount] == NULL)
-				{
-					ReturnValue = -2;
-					ContinueDirectoryRead = 0;
-					goto cleanup;
-				}
-
-				strcpy(EntryNames[EntryCount], Name);
-				if (S_ISDIR(Stat.st_mode))
-					EntryDirectoryFlags[EntryCount] = 1;
-				else
-					EntryDirectoryFlags[EntryCount] = 0;
-
-				EntryCount++;
-			}
-		}
-
-		show_icon(down_screen_addr, &ICON_TITLE, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLEICON, TITLE_ICON_X, TITLE_ICON_Y);
-		PRINT_STRING_BG(down_screen_addr, msg[MSG_FILE_MENU_SORTING_LIST], COLOR_WHITE, COLOR_TRANS, 49, 10);
-		ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-		quickSort(EntryNames, EntryDirectoryFlags, nameSortFunction, 1, EntryCount - 1);
-		LowFrequencyCPU();
-
-		u32 ContinueInput = 1;
-		s32 SelectedIndex = 0;
-		u32 DirectoryScrollDirection = 0x8000; // First scroll to the left
-		s32 EntryScrollValue = 0;
-		u32 ModifyScrollers = 1;
-		u32 ScrollerCount = 0;
-
-		draw_hscroll_init(down_screen_addr, 49, 10, 199, COLOR_TRANS,
-			COLOR_WHITE, CurrentDirectory);
-		ScrollerCount++;
-
-		// Show the current directory and get input. This loop is continued
-		// every frame, because the current directory scrolls atop the screen.
-
-		while (ContinueDirectoryRead && ContinueInput)
-		{
-			// Try to use a row set such that the selected entry is in the
-			// middle of the screen.
-			s32 LastEntry = SelectedIndex + FILE_LIST_ROWS / 2;
-
-			// If the last row is out of bounds, put it back in bounds.
-			// (In this case, the user has selected an entry in the last
-			// FILE_LIST_ROWS / 2.)
-			if (LastEntry >= EntryCount)
-				LastEntry = EntryCount - 1;
-
-			s32 FirstEntry = LastEntry - (FILE_LIST_ROWS - 1);
-
-			// If the first row is out of bounds, put it back in bounds.
-			// (In this case, the user has selected an entry in the first
-			// FILE_LIST_ROWS / 2, or there are fewer than FILE_LIST_ROWS
-			// entries.)
-			if (FirstEntry < 0)
-			{
-				FirstEntry = 0;
-
-				// If there are more than FILE_LIST_ROWS / 2 files,
-				// we need to enlarge the first page.
-				LastEntry = FILE_LIST_ROWS - 1;
-				if (LastEntry >= EntryCount) // No...
-					LastEntry = EntryCount - 1;
-			}
-
-			// Update scrollers.
-			// a) If a different item has been selected, remake entry
-			//    scrollers, resetting the formerly selected entry to the
-			//    start and updating the selection color.
-			if (ModifyScrollers)
-			{
-				// Preserve the directory scroller.
-				for (; ScrollerCount > 1; ScrollerCount--)
-					draw_hscroll_over(ScrollerCount - 1);
-				for (i = FirstEntry; i <= LastEntry; i++)
-				{
-					u16 color = (SelectedIndex == i)
-						? COLOR_ACTIVE_ITEM
-						: COLOR_INACTIVE_ITEM;
-					if (hscroll_init(down_screen_addr, FILE_SELECTOR_NAME_X, GUI_ROW1_Y + (i - FirstEntry) * GUI_ROW_SY + TEXT_OFFSET_Y, FILE_SELECTOR_NAME_SX,
-						COLOR_TRANS, color, EntryNames[i]) < 0)
-					{
-						ReturnValue = -2;
-						ContinueDirectoryRead = 0;
-						goto cleanupScrollers;
-					}
-					else
-					{
-						ScrollerCount++;
-					}
-				}
-
-				ModifyScrollers = 0;
-			}
-
-			// b) Must we update the directory scroller?
-			if ((DirectoryScrollDirection & 0xFF) >= 0x20)
-			{
-				if(DirectoryScrollDirection & 0x8000)	//scroll left
-				{
-					if(draw_hscroll(0, -1) == 0) DirectoryScrollDirection = 0;	 //scroll right
-				}
-				else
-				{
-					if(draw_hscroll(0, 1) == 0) DirectoryScrollDirection = 0x8000; //scroll left
-				}
-			}
-			else
-			{
-				// Wait one less frame before scrolling the directory again.
-				DirectoryScrollDirection++;
-			}
-
-			// c) Must we scroll the current file as a result of user input?
-			if (EntryScrollValue != 0)
-			{
-				draw_hscroll(SelectedIndex - FirstEntry + 1, EntryScrollValue);
-				EntryScrollValue = 0;
-			}
-
-			// Draw.
-			// a) The background.
-			show_icon(down_screen_addr, &ICON_SUBBG, 0, 0);
-			show_icon(down_screen_addr, &ICON_TITLE, 0, 0);
-			show_icon(down_screen_addr, &ICON_TITLEICON, TITLE_ICON_X, TITLE_ICON_Y);
-
-			// b) The selection background.
-			show_icon(down_screen_addr, &ICON_SUBSELA, SUBSELA_X, GUI_ROW1_Y + (SelectedIndex - FirstEntry) * GUI_ROW_SY + SUBSELA_OFFSET_Y);
-
-			// c) The scrollers.
-			for (i = 0; i < ScrollerCount; i++)
-				draw_hscroll(i, 0);
-
-			// d) The icons.
-			for (i = FirstEntry; i <= LastEntry; i++)
-			{
-				struct gui_iconlist* icon;
-				if (i == 0)
-					icon = &ICON_DOTDIR;
-				else if (EntryDirectoryFlags[i])
-					icon = &ICON_DIRECTORY;
-				else
-				{
-					char* Extension = strrchr(EntryNames[i], '.');
-					if (Extension != NULL)
-					{
-						if (strcasecmp(Extension, ".smc") == 0 || strcasecmp(Extension, ".sfc") == 0)
-							icon = &ICON_SFCFILE;
-						else if (strcasecmp(Extension, ".zip") == 0)
-							icon = &ICON_ZIPFILE;
-						else if (strcasecmp(Extension, ".cht") == 0)
-							icon = &ICON_CHTFILE;
-						else
-							icon = &ICON_UNKNOW;
-					}
-					else
-						icon = &ICON_UNKNOW;
-				}
-
-				show_icon(down_screen_addr, icon, FILE_SELECTOR_ICON_X, GUI_ROW1_Y + (i - FirstEntry) * GUI_ROW_SY + FILE_SELECTOR_ICON_Y);
-			}
-
-			ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-			// Delay before getting the input.
-			mdelay(20);
-
-			struct key_buf inputdata;
-			gui_action_type gui_action = get_gui_input();
-			ds2_getrawInput(&inputdata);
-
-			// Get KEY_RIGHT and KEY_LEFT separately to allow scrolling
-			// the selected file name faster.
-			if (inputdata.key & KEY_RIGHT)
-				EntryScrollValue = -3;
-			else if (inputdata.key & KEY_LEFT)
-				EntryScrollValue = 3;
-
-			switch(gui_action)
-			{
-				case CURSOR_TOUCH:
-				{
-					wait_Allkey_release(0);
-					// ___ 33        This screen has 6 possible rows. Touches
-					// ___ 60        above or below these are ignored.
-					// . . . (+27)
-					// ___ 192
-					if(inputdata.y <= GUI_ROW1_Y || inputdata.y > NDS_SCREEN_HEIGHT)
-						break;
-
-					u32 mod = (inputdata.y - GUI_ROW1_Y) / GUI_ROW_SY;
-
-					if(mod >= LastEntry - FirstEntry + 1)
-						break;
-
-					SelectedIndex = FirstEntry + mod;
-					/* fall through */
-				}
-
-				case CURSOR_SELECT:
-					wait_Allkey_release(0);
-					if (SelectedIndex == 0) // The parent directory
-					{
-						char* SlashPos = strrchr(CurrentDirectory, '/');
-						if (SlashPos != NULL) // There's a parent
-						{
-							*SlashPos = '\0';
-							ContinueInput = 0;
-						}
-						else // We're at the root
-						{
-							ReturnValue = -1;
-							ContinueDirectoryRead = 0;
-						}
-					}
-					else if (EntryDirectoryFlags[SelectedIndex])
-					{
-						strcat(CurrentDirectory, "/");
-						strcat(CurrentDirectory, EntryNames[SelectedIndex]);
-						ContinueInput = 0;
-					}
-					else
-					{
-						strcpy(default_dir_name, CurrentDirectory);
-						strcpy(result, EntryNames[SelectedIndex]);
-						ReturnValue = 0;
-						ContinueDirectoryRead = 0;
-					}
-					break;
-
-				case CURSOR_UP:
-					SelectedIndex--;
-					if (SelectedIndex < 0)
-						SelectedIndex++;
-					else
-						ModifyScrollers = 1;
-					break;
-
-				case CURSOR_DOWN:
-					SelectedIndex++;
-					if (SelectedIndex >= EntryCount)
-						SelectedIndex--;
-					else
-						ModifyScrollers = 1;
-					break;
-
-				//scroll page down
-				case CURSOR_RTRIGGER:
-				{
-					u32 OldIndex = SelectedIndex;
-					SelectedIndex += FILE_LIST_ROWS;
-					if (SelectedIndex >= EntryCount)
-						SelectedIndex = EntryCount - 1;
-					if (SelectedIndex != OldIndex)
-						ModifyScrollers = 1;
-					break;
-				}
-
-				//scroll page up
-				case CURSOR_LTRIGGER:
-				{
-					u32 OldIndex = SelectedIndex;
-					SelectedIndex -= FILE_LIST_ROWS;
-					if (SelectedIndex < 0)
-						SelectedIndex = 0;
-					if (SelectedIndex != OldIndex)
-						ModifyScrollers = 1;
-					break;
-				}
-
-				case CURSOR_BACK:
-				{
-					wait_Allkey_release(0);
-					char* SlashPos = strrchr(CurrentDirectory, '/');
-					if (SlashPos != NULL) // There's a parent
-					{
-						*SlashPos = '\0';
-						ContinueInput = 0;
-					}
-					else // We're at the root
-					{
-						ReturnValue = -1;
-						ContinueDirectoryRead = 0;
-					}
-					break;
-				}
-
-				case CURSOR_EXIT:
-					wait_Allkey_release(0);
-					ReturnValue = -1;
-					ContinueDirectoryRead = 0;
-					break;
-
-				default:
-					break;
-			} // end switch
-		} // end while
-
-cleanupScrollers:
-		for (; ScrollerCount > 0; ScrollerCount--)
-			draw_hscroll_over(ScrollerCount - 1);
-
-cleanup:
-		if (CurrentDirHandle != NULL)
-			closedir(CurrentDirHandle);
-
-		if (EntryDirectoryFlags != NULL)
-			free(EntryDirectoryFlags);
-		if (EntryNames != NULL)
-		{
-			// EntryNames[0] is "..", a literal. Don't free it.
-			for (; EntryCount > 1; EntryCount--)
-				free(EntryNames[EntryCount - 1]);
-			free(EntryNames);
-		}
-	} // end while
-
-	return ReturnValue;
-}
-
-/*--------------------------------------------------------
-  放映幻灯片
---------------------------------------------------------*/
-
-u32 play_screen_snapshot(void)
-{
-    s32 flag;
-    u32 repeat, i;
-    u16 *screenp;
-    u32 color_bg;
-
-	char** EntryNames = NULL;
-	DIR*   CurrentDirHandle = NULL;
-	u32    EntryCount = 0, EntryCapacity = 4 /* initial */;
-	u32    Failed = 0;
-
-	EntryNames = (char**) malloc(EntryCapacity * sizeof(char*));
-	if (EntryNames == NULL)
-	{
-		Failed = 1;
-		goto cleanup;
-	}
-
-	CurrentDirHandle = opendir(DEFAULT_SS_DIR);
-	if(CurrentDirHandle == NULL) {
-		Failed = 1;
-		goto cleanup;
-	}
-
-	dirent*     CurrentEntryHandle;
-	struct stat Stat;
-
-	while((CurrentEntryHandle = readdir_ex(CurrentDirHandle, &Stat)) != NULL)
-	{
-		char* Name = CurrentEntryHandle->d_name;
-		if(!S_ISDIR(Stat.st_mode))
-		{
-			// Add files only if their extension is in the list.
-			char* Extension = strrchr(Name, '.');
-			if (Extension != NULL)
-			{
-				if(strcasecmp(Extension, ".bmp") == 0)
-				{
-					// Ensure we have enough capacity in the char* array first.
-					if (EntryCount == EntryCapacity)
-					{
-						void* NewEntryNames = realloc(EntryNames, EntryCapacity * 2 * sizeof(char*));
-						if (NewEntryNames == NULL)
-						{
-							Failed = 1;
-							goto cleanup;
-						}
-						else
-							EntryNames = NewEntryNames;
-
-						EntryCapacity *= 2;
-					}
-
-					// Then add the entry.
-					EntryNames[EntryCount] = malloc(strlen(Name) + 1);
-					if (EntryNames[EntryCount] == NULL)
-					{
-						Failed = 1;
-						goto cleanup;
-					}
-
-					strcpy(EntryNames[EntryCount], Name);
-
-					EntryCount++;
-				}
-			}
-		}
-	}
-
-cleanup:
-	if (CurrentDirHandle != NULL)
-		closedir(CurrentDirHandle);
-
-    screenp= (u16*)malloc(256*192*2);
-    if(screenp == NULL)
-    {
-        screenp = (u16*)down_screen_addr;
-        color_bg = COLOR_BG;
-    }
-    else
-    {
-        memcpy(screenp, down_screen_addr, 256*192*2);
-        color_bg = COLOR16(43, 11, 11);
-    }
-
-    if(Failed || EntryCount == 0)
-    {
-        draw_message(down_screen_addr, screenp, 28, 31, 227, 165, color_bg);
-        draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_NO_SLIDE]);
-        ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-        if(screenp) free((void*)screenp);
-
-		if (EntryNames != NULL)
-		{
-			for (; EntryCount > 0; EntryCount--)
-				free(EntryNames[EntryCount - 1]);
-			free(EntryNames);
-		}
-
-		wait_Anykey_press(0);
-		wait_Allkey_release(0);
-
-		return 0;
-    }
-
-    char bmp_path[MAX_PATH];
-	BMPINFO SbmpInfo;
-
-    u32 buff[256*192];
-    u32 time0= 10;
-    u32 pause= 0;
-	unsigned int type;
-
-    draw_message(down_screen_addr, screenp, 28, 31, 227, 165, color_bg);
-    draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_SCREENSHOT_SLIDESHOW_KEYS]);
-    ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-    repeat= 1;
-    i= 0;
-    while(repeat)
-    {
-        sprintf(bmp_path, "%s/%s", DEFAULT_SS_DIR, EntryNames[i]);
-
-		flag = openBMP(&SbmpInfo, (const char*)bmp_path);
-		if(flag == BMP_OK)
-		{
-			type = SbmpInfo.bmpHead.bfImghead.imBitpixel >>3;
-			if(2 == type || 3 == type)	//2 bytes per pixel
-			{
-			    u16 *dst, *dst0;
-			    u32 w, h, x, y;
-
-				w= SbmpInfo.bmpHead.bfImghead.imBitmapW;
-				h= SbmpInfo.bmpHead.bfImghead.imBitmapH;
-				if(w > 256) w = 256;
-				if(h > 192) h = 192;
-
-				flag = readBMP(&SbmpInfo, 0, 0, w, h, (void*)buff);
-				if(0 == flag)
-				{
-					ds2_clearScreen(UP_SCREEN, 0);
-
-					dst= (unsigned short*)up_screen_addr + (192-h)/2*256 +(256-w)/2;
-					dst0 = dst;
-					if(2 == type) {
-						unsigned short* pt;
-
-						pt = (unsigned short*) buff;
-						for(y= 0; y<h; y++) {
-	    	            	for(x= 0; x < w; x++) {
-		    	                *dst++ = RGB16_15(pt);
-		    	                pt += 1;
-		    	            }
-							dst0 += 256;
-							dst = dst0;
-						}
-					}
-					else {
-						unsigned char* pt;
-
-						pt= (char*)buff;
-	    		        for(y= 0; y< h; y++) {
-    			            for(x= 0; x < w; x++) {
-    			                *dst++ = RGB24_15(pt);
-    			                pt += 3;
-    			            }
-							dst0 += 256;
-							dst = dst0;
-    			        }
-					}
-
-					ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-				}
-
-				closeBMP(&SbmpInfo);
-			}
-			else
-				closeBMP(&SbmpInfo);
-		}
-
-        if(i+1 < EntryCount) i++;
-        else i= 0;
-
-        gui_action_type gui_action;
-        u32 ticks= 0;
-        u32 time1;
-
-        time1= time0;
-        while(ticks < time1)
-        {
-            gui_action = get_gui_input();
-
-            switch(gui_action)
-            {
-                case CURSOR_UP:
-                    if(!pause)
-                    {
-                        if(time0 > 1) time0 -= 1;
-                        time1= time0;
-                    }
-                    break;
-
-                case CURSOR_DOWN:
-                    if(!pause)
-                    {
-                        time0 += 1;
-                        time1= time0;
-                    }
-                    break;
-
-                case CURSOR_LEFT:
-                    time1 = ticks;
-                    if(i > 1) i -= 2;
-                    else if(i == 1) i= EntryCount -1;
-                    else i= EntryCount -2;
-                    break;
-
-                case CURSOR_RIGHT:
-                    time1 = ticks;
-                    break;
-
-                case CURSOR_SELECT:
-                    if(!pause)
-                    {
-                        time1 = -1;
-                        pause= 1;
-                    }
-                    else
-                    {
-                        time1 = ticks;
-                        pause= 0;
-                    }
-                    break;
-
-                case CURSOR_BACK:
-					repeat = 0;
-					break;
-
-                default: gui_action= CURSOR_NONE;
-                    break;
-            }
-
-			if(gui_action != CURSOR_BACK)
-				mdelay(100);
-            if(!pause)
-                ticks ++;
-        }
-    }
-
-	if(screenp) free((void*)screenp);
-
-	if (EntryNames != NULL)
-	{
-		for (; EntryCount > 0; EntryCount--)
-			free(EntryNames[EntryCount - 1]);
-		free(EntryNames);
-	}
-
-	return 0;
-}
-
-
-/*
-*	Function: search directory on directory_path
-*	directory: directory name will be searched
-*	directory_path: path, note that the buffer which hold directory_path should
-*		be large enough for nested
-*	return: 0= found, directory lay on directory_path
-*/
-int search_dir(char *directory, char* directory_path)
-{
-    DIR *current_dir;
-    dirent *current_file;
-	struct stat st;
-    int directory_path_len;
-
-    current_dir= opendir(directory_path);
-    if(current_dir == NULL)
-        return -1;
-
-	directory_path_len = strlen(directory_path);
-
-	//while((current_file = readdir(current_dir)) != NULL)
-	while((current_file = readdir_ex(current_dir, &st)) != NULL)
-	{
-		//Is directory
-		if(S_ISDIR(st.st_mode))
-		{
-			if(strcmp(".", current_file->d_name) || strcmp("..", current_file->d_name))
-				continue;
-
-			strcpy(directory_path+directory_path_len, current_file->d_name);
-
-			if(!strcasecmp(current_file->d_name, directory))
-			{//dirctory find
-				closedir(current_dir);
-				return 0;
-			}
-
-			if(search_dir(directory, directory_path) == 0)
-			{//dirctory find
-				closedir(current_dir);
-				return 0;
-			}
-
-			directory_path[directory_path_len] = '\0';
-		}
-    }
-
-    closedir(current_dir);
-    return -1;
-}
-
-
-const u32 gamepad_config_map_init[MAX_GAMEPAD_MAP] =
-{
-    BUTTON_ID_A,        /* 0    A */
-    BUTTON_ID_B,        /* 1    B */
-    BUTTON_ID_SELECT,   /* 2    [SELECT] */
-    BUTTON_ID_START,    /* 3    [START] */
-    BUTTON_ID_RIGHT,    /* 4    → */
-    BUTTON_ID_LEFT,     /* 5    ← */
-    BUTTON_ID_UP,       /* 6    ↑ */
-    BUTTON_ID_DOWN,     /* 7    ↓ */
-    BUTTON_ID_R,        /* 8    [R] */
-    BUTTON_ID_L,        /* 9    [L] */
-    BUTTON_ID_NONE,     /* 10   FA */
-    BUTTON_ID_NONE,     /* 11   FB */
-    BUTTON_ID_TOUCH,    /* 12   MENU */
-    BUTTON_ID_NONE,     /* 13   NONE */
-    BUTTON_ID_NONE,     /* 14   NONE */
-    BUTTON_ID_NONE      /* 15   NONE */
-};
-
-u32 gamepad_config_map[MAX_GAMEPAD_MAP];
-
-#define BUTTON_MAP_A    gamepad_config_map[0]
-#define BUTTON_MAP_B    gamepad_config_map[1]
-#define BUTTON_MAP_FA   gamepad_config_map[10]
-#define BUTTON_MAP_FB   gamepad_config_map[11]
-#define BUTTON_MAP_MENU gamepad_config_map[12]
-
-int load_state(char* file)
-{
-	int flag;
-	FILE* fp;
-	unsigned int n;
-	char tmp_path[MAX_PATH];
-
-	sprintf(tmp_path, "%s/%s", DEFAULT_RTS_DIR, file);
-
-	flag = game_load_state(tmp_path);
-	if(0 != flag)
-		return -1;
-
-	fp = fopen(tmp_path, "r");
-	if(NULL == fp)
-		return -1;
-
-	n = 0;
-	if(fread((void*)&n, 1, 4, fp) < 4)
-	{
-		fclose(fp);
-		return -1;
-	}
-
-	fseek(fp, n+sizeof(struct rtc), SEEK_SET);
-	fread(up_screen_addr, 1, 256*192*2, fp);
-	fclose(fp);
-
-	ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-
-	return 0;
-}
-
-int load_game_stat_snapshot(char* file)
-{
-	FILE* fp;
-	char tmp_path[MAX_PATH];
-	unsigned int n, m;
-
-	sprintf(tmp_path, "%s/%s", DEFAULT_RTS_DIR, file);
-	fp = fopen(tmp_path, "r");
-	if(NULL == fp)
-		return -1;
-
-	m = fread((void*)&n, 1, 4, fp);
-	if(m < 4)
-	{
-		fclose(fp);
-		return - 2;
-	}
-
-	fseek(fp, n+sizeof(struct rtc), SEEK_SET);
-
-	m = fread(up_screen_addr, 1, 256*192*2, fp);
-	if(m < 256*192*2)
-	{
-		fclose(fp);
-		return -4;
-	}
-
-	fclose(fp);
-	ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-	return 0;
-}
-
-#if 0
-int bak_file(char* file)
-{
-	FILE *fp1, *fp2;
-	char tmp_path[MAX_PATH];
-	char buff[512];
-	int m;
-
-	fp1= fopen(file, "r");
-	if(NULL == fp1)
-		return -1;
-
-	strcpy(tmp_path, file);
-	strcat(tmp_path, ".bak");
-	fp2 = fopen(tmp_path, "w");
-	if(NULL == fp2)
-	{
-		fclose(fp1);
-		return -2;
-	}
-
-	while(1)
-	{
-		m= fread(buff, 1, 512, fp1);
-		if(m <= 0) break;
-		fwrite(buff, 1, m, fp2);
-	}
-
-	fclose(fp1);
-	fclose(fp2);
-	return 0;
-}
-#endif
-
-int save_state(char* file, void* screen)
-{
-	int flag;
-	FILE *fp;
-	unsigned int n;
-	struct rtc time;
-	char str[64];
-	char tmp_path[MAX_PATH];
-
-	sprintf(tmp_path, "%s/%s", DEFAULT_RTS_DIR, file);
-
-	flag = game_save_state(tmp_path);
-	if(0 != flag)
-		return -1;
-
-	fp = fopen(tmp_path, "r+");
-	if(NULL == fp)
-		return -1;
-
-	fseek(fp, 0, SEEK_END);
-	n = ftell(fp);
-
-	ds2_getTime(&time);
-    sprintf(str, "%04d-%02d-%02d %02d:%02d:%02d",
-		time.year + 2000, time.month, time.day, time.hours, time.minutes, time.seconds);
-
-	// A black outline in all four directions...
-	PRINT_STRING_BG(screen, str, COLOR_BLACK, 0x8000, 0, 1);
-	PRINT_STRING_BG(screen, str, COLOR_BLACK, 0x8000, 2, 1);
-	PRINT_STRING_BG(screen, str, COLOR_BLACK, 0x8000, 1, 0);
-	PRINT_STRING_BG(screen, str, COLOR_BLACK, 0x8000, 1, 2);
-	// ... and white text.
-	PRINT_STRING_BG(screen, str, COLOR_WHITE, 0x8000, 1, 1);
-	fwrite((void*)&time, 1, sizeof(struct rtc), fp);
-	fwrite(screen, 1, 256*192*2, fp);
-
-	fseek(fp, 0, SEEK_SET);
-	fwrite((void*)&n, 1, 4, fp);
-
-	fclose(fp);
-
-	return 0;
-}
-
-void LowFrequencyCPU()
-{
-	ds2_setCPUclocklevel(0); // 60 MHz
-}
-
-void HighFrequencyCPU()
-{
-	ds2_setCPUclocklevel(13); // 396 MHz
-}
-
-void GameFrequencyCPU()
-{
-	u32 clock_speed_table[6] = {6, 9, 10, 11, 12, 13};	//240, 300, 336, 360, 384, 396
-
-	if(game_config.clock_speed_number <= 5)
-		ds2_setCPUclocklevel(clock_speed_table[game_config.clock_speed_number]);
-}
-
-void savefast_int(void)
-{
-
-}
-
-#if 1
-void dump_mem(unsigned char* addr, unsigned int len)
-{
-	unsigned int i;
-
-	for(i= 0; i < len; i++)
-	{
-		cprintf("%02x ", addr[i]);
-		if((i+1)%16 == 0) cprintf("\n");
-	}
-}
-#endif
-
-/*--------------------------------------------------------
-	Main Menu
---------------------------------------------------------*/
-u32 menu(u16 *screen, bool8 FirstInvocation)
-{
-    gui_action_type gui_action;
-    u32 i;
-    u32 repeat;
-    u32 return_value = 0;
-    u32 first_load = 0;
-    char tmp_filename[MAX_FILE];
-    char line_buffer[512];
-    char cheat_data_str[MAX_CHEATS_T][5];
-    // ^ Holds the index inside Cheat, as a number in an ASCIIZ string
-    char* cheat_data_ptr[MAX_CHEATS_T];
-
-	// For cheat groups
-	char* cheat_group_name_ptr[MAX_CHEATS_T + 1];
-	char cheat_group_names[MAX_CHEATS_T * MAX_SFCCHEAT_NAME];
-
-    MENU_TYPE *current_menu = NULL;
-    MENU_OPTION_TYPE *current_option = NULL;
-    MENU_OPTION_TYPE *display_option = NULL;
-
-    u32 current_option_num;
-//    u32 parent_option_num;
-    u32 string_select;
-
-    u16 *bg_screenp;
-    u32 bg_screenp_color;
-
-    GAME_CONFIG PreviousGameConfig;  // Compared with current settings to
-    EMU_CONFIG  PreviousEmuConfig;   // determine if they need to be saved
-
-	auto void choose_menu();
-	auto void menu_return();
-	auto void menu_exit();
-	auto void menu_load();
-	auto void menu_restart();
-	auto void menu_save_state();
-	auto void menu_load_state();
-	auto void menu_load_cheat_file();
-	auto void others_menu_init();
-	auto void main_menu_passive();
-	auto void main_menu_key();
-	auto void delette_savestate();
-	auto void save_screen_snapshot();
-	auto void browse_screen_snapshot();
-	auto void tools_menu_init();
-	auto void obtain_hotkey (u32 *HotkeyBitfield);
-	auto void set_global_hotkey_return_to_menu();
-	auto void set_global_hotkey_temporary_fast_forward();
-	auto void set_global_hotkey_toggle_sound();
-	auto void set_global_hotkey_quick_load_state();
-	auto void set_global_hotkey_quick_save_state();
-	auto void set_global_hotkey_toggle_full_screen();
-	auto void set_game_specific_hotkey_return_to_menu();
-	auto void set_game_specific_hotkey_temporary_fast_forward();
-	auto void set_game_specific_hotkey_toggle_sound();
-	auto void set_game_specific_hotkey_quick_load_state();
-	auto void set_game_specific_hotkey_quick_save_state();
-	auto void set_game_specific_hotkey_toggle_full_screen();
-	auto void global_hotkey_return_to_menu_passive();
-	auto void global_hotkey_temporary_fast_forward_passive();
-	auto void global_hotkey_toggle_sound_passive();
-	auto void global_hotkey_quick_load_state_passive();
-	auto void global_hotkey_quick_save_state_passive();
-	auto void global_hotkey_toggle_full_screen_passive();
-	auto void game_specific_hotkey_return_to_menu_passive();
-	auto void game_specific_hotkey_temporary_fast_forward_passive();
-	auto void game_specific_hotkey_toggle_sound_passive();
-	auto void game_specific_hotkey_quick_load_state_passive();
-	auto void game_specific_hotkey_quick_save_state_passive();
-	auto void game_specific_hotkey_toggle_full_screen_passive();
-	auto void load_default_setting();
-	auto void check_gbaemu_version();
-	auto void load_lastest_played();
-	auto void latest_game_menu_passive();
-	auto void latest_game_menu_init();
-	auto void latest_game_menu_key();
-	auto void latest_game_menu_end();
-	auto void language_set();
-	auto void game_fastforward();
-#ifdef ENABLE_FREE_SPACE
-	auto void show_card_space();
-#endif
-	auto void savestate_selitem(u32 sel, u32 y_pos);
-	auto void game_state_menu_init();
-	auto void game_state_menu_passive();
-	auto void game_state_menu_end();
-	auto void gamestate_delette_menu_init();
-	auto void gamestate_delette_menu_passive();
-	auto void gamestate_delette_menu_end();
-	auto void cheat_menu_init();
-	auto void cheat_menu_end();
-	auto void reload_cheats_page();
-	auto void cheat_option_action();
-	auto void cheat_option_passive();
-
-//Local function definition
-
-	void menu_exit()
-	{
-		HighFrequencyCPU(); // Crank it up, leave quickly
-		if(gamepak_name[0] != 0)
-		{
-			S9xAutoSaveSRAM ();
-		}
-		quit();
-	}
-
-	void SaveConfigsIfNeeded()
-	{
-		if (memcmp(&PreviousGameConfig, &game_config, sizeof(GAME_CONFIG)) != 0)
-			save_game_config_file();
-		if (memcmp(&PreviousEmuConfig, &emu_config, sizeof(EMU_CONFIG)) != 0)
-			save_emu_config_file();
-	}
-
-	void PreserveConfigs()
-	{
-		memcpy(&PreviousGameConfig, &game_config, sizeof(GAME_CONFIG));
-		memcpy(&PreviousEmuConfig, &emu_config, sizeof(EMU_CONFIG));
-	}
-
-  int LoadGameAndItsData(char *filename){
-    if (gamepak_name[0] != '\0') {
-      S9xAutoSaveSRAM();
-    }
-
-    draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-    draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_LOADING_GAME]);
-    ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-    HighFrequencyCPU();
-    int load_result = load_gamepak(filename);
-    LowFrequencyCPU();
-
-    if(load_result == -1)
-    {
-      first_load = 1;
-      gamepak_name[0] = '\0';
-      return 0;
-    }
-
-    char tempPath[MAX_PATH];
-    strcpy(tempPath, filename);
-
-    //update folders and names for settings/config uses
-    char *dirEnd = strrchr(tempPath, '/');
-    //make sure a valid path was provided
-    if(!dirEnd)
-      return 0;
-
-    //copy file name as gamepak_name
-    strcpy(gamepak_name, dirEnd+1);
-    //then strip filename from directory path and set it
-    *dirEnd = '\0';
-    strcpy(g_default_rom_dir, tempPath);
-
-    first_load = 0;
-    load_game_config_file();
-    PreserveConfigs(); // Make the emulator not save what we've JUST read
-    // but it will save the emulator configuration below for latest files
-
-    return_value = 1;
-    repeat = 0;
-
-    reorder_latest_file();
-    get_savestate_filelist();
-
-    game_fast_forward= 0;
-    return 1;
-  }
-
-	void menu_load()
-	{
-		char *file_ext[] = { ".smc", ".sfc", ".zip", NULL };
-
-		if(load_file(file_ext, tmp_filename, g_default_rom_dir) != -1)
-		{
-			strcpy(line_buffer, g_default_rom_dir);
-			strcat(line_buffer, "/");
-			strcat(line_buffer, tmp_filename);
-
-			LoadGameAndItsData(line_buffer);
-		}
-		else
-		{
-			choose_menu(current_menu);
-		}
-	}
-
-	void menu_restart()
-	{
-		if(!first_load)
-		{
-			game_restart();
-			return_value = 1;
-			repeat = 0;
-		}
-	}
-
-	void menu_return()
-	{
-		if(!first_load)
-			repeat = 0;
-	}
-
-	void clear_savestate_slot(u32 slot_index)
-	{
-		get_savestate_filename(slot_index, tmp_filename);
-		sprintf(line_buffer, "%s/%s", DEFAULT_RTS_DIR, tmp_filename);
-		remove(line_buffer);
-		SavedStateCacheInvalidate ();
-	}
-
-    void savestate_selitem(u32 selected, u32 y_pos)
-    {
-        u32 k;
-
-        for(k= 0; k < SAVE_STATE_SLOT_NUM; k++)
-        {
-		struct gui_iconlist *icon;
-		bool8 Exists = SavedStateFileExists (k);
-		uint8 X = SavedStateSquareX (k);
-
-		if (selected == k && Exists)
-			icon = &ICON_STATEFULL;
-		else if (selected == k && !Exists)
-			icon = &ICON_STATEEMPTY;
-		else if (selected != k && Exists)
-			icon = &ICON_NSTATEFULL;
-		else if (selected != k && !Exists)
-			icon = &ICON_NSTATEEMPTY;
-
-		show_icon((unsigned short *) down_screen_addr, icon, X, y_pos);
-        }
-    }
-
-	void game_state_menu_init()
-	{
-		if(first_load)
-		{
-			ds2_clearScreen(UP_SCREEN, 0);
-            draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_GAME_LOADED]);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-		else if(SavedStateFileExists(savestate_index))
-		{
-			get_savestate_filename(savestate_index, tmp_filename);
-			sprintf(line_buffer, "%s/%s", DEFAULT_RTS_DIR, tmp_filename);
-			load_game_stat_snapshot(tmp_filename);
-		}
-		else
-		{
-			ds2_clearScreen(UP_SCREEN, COLOR_BLACK);
-			draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_SAVED_STATE_IN_SLOT]);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-	}
-
-	void game_state_menu_end()
-	{
-		if (!first_load)
-		{
-			copy_screen(up_screen_addr, (void*) screen, 0, 0, 256, 192);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-		else
-		{
-			ds2_clearScreen(UP_SCREEN, 0);
-            draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_GAME_LOADED]);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-	}
-
-	void game_state_menu_passive()
-	{
-		unsigned int line[3] = {0, 2, 4};
-
-		//draw background
-		show_icon(down_screen_addr, &ICON_SUBBG, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLE, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLEICON, TITLE_ICON_X, TITLE_ICON_Y);
-
-		if(current_option_num == 0)
-			show_icon(down_screen_addr, &ICON_BACK, BACK_BUTTON_X, BACK_BUTTON_Y);
-		else
-			show_icon(down_screen_addr, &ICON_NBACK, BACK_BUTTON_X, BACK_BUTTON_Y);
-
-		strcpy(line_buffer, *(display_option->display_string));
-		draw_string_vcenter(down_screen_addr, 0, 9, 256, COLOR_ACTIVE_ITEM, line_buffer);
-
-		display_option += 1;
-        for(i= 0; i < 3; i++, display_option++)
-        {
-            unsigned short color;
-
-			if(display_option == current_option)
-				show_icon(down_screen_addr, &ICON_SUBSELA, SUBSELA_X, GUI_ROW1_Y + line[i] * GUI_ROW_SY + SUBSELA_OFFSET_Y);
-
-			if(display_option->option_type & NUMBER_SELECTION_TYPE)
-			{
-				sprintf(line_buffer, *(display_option->display_string),
-					*(display_option->current_option)+1);	//ADD 1 here
-			}
-			else if(display_option->option_type & STRING_SELECTION_TYPE)
-			{
-				sprintf(line_buffer, *(display_option->display_string),
-					*((u32*)(((u32 *)display_option->options)[*(display_option->current_option)])));
-			}
-			else
-			{
-				strcpy(line_buffer, *(display_option->display_string));
-			}
-
-			if(display_option == current_option)
-				color= COLOR_ACTIVE_ITEM;
-			else
-				color= COLOR_INACTIVE_ITEM;
-
-			PRINT_STRING_BG(down_screen_addr, line_buffer, color, COLOR_TRANS, OPTION_TEXT_X, GUI_ROW1_Y + line[i] * GUI_ROW_SY + TEXT_OFFSET_Y);
-        }
-
-		unsigned int selected_write, selected_read;
-
-		selected_write = -1;
-		selected_read = -1;
-
-		if(current_option_num == 1 /* write */)
-			selected_write = savestate_index;
-		if(current_option_num == 2 /* read */)
-			selected_read = savestate_index;
-
-		savestate_selitem(selected_write, GUI_ROW1_Y + 1 * GUI_ROW_SY + (GUI_ROW_SY - ICON_STATEFULL.y) / 2);
-		savestate_selitem(selected_read, GUI_ROW1_Y + 3 * GUI_ROW_SY + (GUI_ROW_SY - ICON_STATEFULL.y) / 2);
-	}
-
-    u32 delette_savestate_num= 0;
-
-	void gamestate_delette_menu_init()
-	{
-		if(first_load)
-		{
-			ds2_clearScreen(UP_SCREEN, 0);
-            draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_GAME_LOADED]);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-		else if(SavedStateFileExists(delette_savestate_num))
-		{
-			get_savestate_filename(delette_savestate_num, tmp_filename);
-			sprintf(line_buffer, "%s/%s", DEFAULT_RTS_DIR, tmp_filename);
-			load_game_stat_snapshot(tmp_filename);
-		}
-		else
-		{
-			ds2_clearScreen(UP_SCREEN, COLOR_BLACK);
-			draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_SAVED_STATE_IN_SLOT]);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-	}
-
-	void gamestate_delette_menu_end()
-	{
-		if (!first_load)
-		{
-			copy_screen(up_screen_addr, (void*) screen, 0, 0, 256, 192);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-		else
-		{
-			ds2_clearScreen(UP_SCREEN, 0);
-            draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_GAME_LOADED]);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-	}
-
-	void gamestate_delette_menu_passive()
-	{
-		unsigned int line[2] = {0, 2};
-
-		//draw background
-		show_icon(down_screen_addr, &ICON_SUBBG, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLE, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLEICON, TITLE_ICON_X, TITLE_ICON_Y);
-
-		if(current_option_num == 0)
-			show_icon(down_screen_addr, &ICON_BACK, BACK_BUTTON_X, BACK_BUTTON_Y);
-		else
-			show_icon(down_screen_addr, &ICON_NBACK, BACK_BUTTON_X, BACK_BUTTON_Y);
-
-		strcpy(line_buffer, *(display_option->display_string));
-		draw_string_vcenter(down_screen_addr, 0, 9, 256, COLOR_ACTIVE_ITEM, line_buffer);
-
-		display_option += 1;
-        for(i= 0; i < 2; i++, display_option++)
-        {
-            unsigned short color;
-
-			if(display_option == current_option)
-				show_icon(down_screen_addr, &ICON_SUBSELA, SUBSELA_X, GUI_ROW1_Y + line[i] * GUI_ROW_SY + SUBSELA_OFFSET_Y);
-
-			if(display_option->option_type & NUMBER_SELECTION_TYPE)
-			{
-				sprintf(line_buffer, *(display_option->display_string),
-					*(display_option->current_option)+1);
-			}
-			else if(display_option->option_type & STRING_SELECTION_TYPE)
-			{
-				sprintf(line_buffer, *(display_option->display_string),
-					*((u32*)(((u32 *)display_option->options)[*(display_option->current_option)])));
-			}
-			else
-			{
-				strcpy(line_buffer, *(display_option->display_string));
-			}
-
-			if(display_option == current_option)
-				color= COLOR_ACTIVE_ITEM;
-			else
-				color= COLOR_INACTIVE_ITEM;
-
-			PRINT_STRING_BG(down_screen_addr, line_buffer, color, COLOR_TRANS, OPTION_TEXT_X, GUI_ROW1_Y + line[i] * GUI_ROW_SY + TEXT_OFFSET_Y);
-        }
-
-		if(current_option_num == 1)
-			savestate_selitem(delette_savestate_num, GUI_ROW1_Y + 1 * GUI_ROW_SY+ (GUI_ROW_SY - ICON_STATEFULL.y) / 2);
-        else
-            savestate_selitem(-1, GUI_ROW1_Y + 1 * GUI_ROW_SY + (GUI_ROW_SY - ICON_STATEFULL.y) / 2);
-	}
-
-	void menu_save_state()
-	{
-		if(!first_load)
-		{
-			if(gui_action == CURSOR_SELECT)
-			{
-				if (SavedStateFileExists (savestate_index))
-				{
-					draw_message(down_screen_addr, NULL, 28, 31, 227, 165, 0);
-					draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_SAVESTATE_FULL]);
-					if(draw_yesno_dialog(DOWN_SCREEN, 115, msg[MSG_GENERAL_CONFIRM_WITH_A], msg[MSG_GENERAL_CANCEL_WITH_B]) == 0)
-						return;
-
-					clear_savestate_slot(savestate_index);
-				}
-
-				get_savestate_filename(savestate_index, tmp_filename);
-
-				draw_message(down_screen_addr, NULL, 28, 31, 227, 165, 0);
-				draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_CREATING]);
-				ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-				HighFrequencyCPU();
-				int flag = save_state(tmp_filename, (void*)screen);
-				LowFrequencyCPU();
-				//clear message
-				draw_message(down_screen_addr, NULL, 28, 31, 227, 96, 0);
-				if(flag < 0)
-				{
-					draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_CREATION_FAILED]);
-				}
-				else
-				{
-					draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_CREATION_SUCCEEDED]);
-				}
-
-				ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-				SavedStateCacheInvalidate ();
-
-				mdelay(500); // let the progress message linger
-
-				// Now show the screen of what we just wrote.
-				get_savestate_filename(savestate_index, tmp_filename);
-				sprintf(line_buffer, "%s/%s", DEFAULT_RTS_DIR, tmp_filename);
-				HighFrequencyCPU();
-				load_game_stat_snapshot(tmp_filename);
-				LowFrequencyCPU();
-			}
-			else	//load screen snapshot
-			{
-				if(SavedStateFileExists(savestate_index))
-				{
-					get_savestate_filename(savestate_index, tmp_filename);
-					sprintf(line_buffer, "%s/%s", DEFAULT_RTS_DIR, tmp_filename);
-					HighFrequencyCPU();
-					load_game_stat_snapshot(tmp_filename);
-					LowFrequencyCPU();
-				}
-				else
-				{
-					ds2_clearScreen(UP_SCREEN, COLOR_BLACK);
-					draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_SAVED_STATE_IN_SLOT]);
-					ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-				}
-			}
-		}
-	}
-
-	void menu_load_state()
-	{
-		if(!first_load)
-		{
-			FILE *fp= NULL;
-
-			if(bg_screenp != NULL)
-			{
-				bg_screenp_color = COLOR16(43, 11, 11);
-				memcpy(bg_screenp, down_screen_addr, 256*192*2);
-			}
-			else
-				bg_screenp_color = COLOR_BG;
-
-			if(SavedStateFileExists(savestate_index))
-			{
-				get_savestate_filename(savestate_index, tmp_filename);
-				sprintf(line_buffer, "%s/%s", DEFAULT_RTS_DIR, tmp_filename);
-
-				//right
-				if(gui_action == CURSOR_SELECT)
-				{
-					draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-					draw_string_vcenter(up_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_LOADING]);
-
-					HighFrequencyCPU();
-					int flag = load_state(tmp_filename);
-					LowFrequencyCPU();
-					if(0 == flag)
-					{
-						return_value = 1;
-						repeat = 0;
-						draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_LOAD_SUCCEEDED]);
-					}
-					else
-					{
-						draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_LOAD_FAILED]);
-						mdelay(500); // let the failure show
-					}
-				}
-				else	//load screen snapshot
-				{
-					HighFrequencyCPU();
-					load_game_stat_snapshot(tmp_filename);
-					LowFrequencyCPU();
-				}
-			}
-			else
-			{
-				ds2_clearScreen(UP_SCREEN, COLOR_BLACK);
-				draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_SAVED_STATE_IN_SLOT]);
-				ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-			}
-		}
-	}
-
-	void delette_savestate()
-	{
-		if(!first_load)
-		{
-			if (gui_action == CURSOR_SELECT)
-			{
-				if(bg_screenp != NULL)
-				{
-					bg_screenp_color = COLOR16(43, 11, 11);
-					memcpy(bg_screenp, down_screen_addr, 256*192*2);
-				}
-				else
-					bg_screenp_color = COLOR_BG;
-
-				wait_Allkey_release(0);
-				if(current_option_num == 2)         //delette all
-				{
-					u32 i, flag;
-
-					draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-					draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_DIALOG_SAVED_STATE_DELETE_ALL]);
-
-					flag= 0;
-					for(i= 0; i < SAVE_STATE_SLOT_NUM; i++)
-						if (SavedStateFileExists (i))
-						{flag= 1; break;}
-
-					if(flag)
-					{
-						if(draw_yesno_dialog(DOWN_SCREEN, 115, msg[MSG_GENERAL_CONFIRM_WITH_A], msg[MSG_GENERAL_CANCEL_WITH_B]))
-						{
-							wait_Allkey_release(0);
-							for(i= 0; i < SAVE_STATE_SLOT_NUM; i++)
-							{
-								get_savestate_filename(i, tmp_filename);
-								sprintf(line_buffer, "%s/%s", DEFAULT_RTS_DIR, tmp_filename);
-								remove(line_buffer);
-								SavedStateCacheInvalidate ();
-							}
-							savestate_index= 0;
-						}
-					}
-					else
-					{
-						draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-						draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_ALREADY_EMPTY]);
-						ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-						mdelay(500);
-					}
-				}
-				else if(current_option_num == 1)    //delette single
-				{
-					draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-
-					if(SavedStateFileExists(delette_savestate_num))
-					{
-						sprintf(line_buffer, msg[FMT_DIALOG_SAVED_STATE_DELETE_ONE], delette_savestate_num + 1);
-						draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, line_buffer);
-
-						if(draw_yesno_dialog(DOWN_SCREEN, 115, msg[MSG_GENERAL_CONFIRM_WITH_A], msg[MSG_GENERAL_CANCEL_WITH_B])) {
-							wait_Allkey_release(0);
-							clear_savestate_slot(delette_savestate_num);
-	}
-					}
-					else
-					{
-						draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_ALREADY_EMPTY]);
-						ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-						mdelay(500);
-					}
-				}
-			}
-			else	//load screen snapshot
-			{
-				if(SavedStateFileExists(delette_savestate_num))
-				{
-					get_savestate_filename(delette_savestate_num, tmp_filename);
-					sprintf(line_buffer, "%s/%s", DEFAULT_RTS_DIR, tmp_filename);
-					HighFrequencyCPU();
-					load_game_stat_snapshot(tmp_filename);
-					LowFrequencyCPU();
-				}
-				else
-				{
-					ds2_clearScreen(UP_SCREEN, COLOR_BLACK);
-					draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_SAVED_STATE_IN_SLOT]);
-					ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-				}
-			}
-		}
-	}
-
-	MENU_TYPE cheats_menu;
-	MENU_TYPE *dynamic_cheat_menu = NULL;
-	MENU_OPTION_TYPE *dynamic_cheat_options = NULL;
-	unsigned char *dynamic_cheat_msg = NULL;
-	unsigned char **dynamic_cheat_pt = NULL;
-	unsigned int dynamic_cheat_active;
-	int dynamic_cheat_scroll_value= 0;
-
-	void cheat_menu_init()
-	{
-	    for(i = 0; i < MAX_CHEATS_T; i++)
-		{
-			sprintf(cheat_data_str[i], "%d", i);
-			cheat_data_ptr[i] = &cheat_data_str[i][0];
-		}
-
-		NDSSFCGetCheatGroups(cheat_group_name_ptr, cheat_group_names);
-
-		reload_cheats_page();
-	}
-
-	void cheat_menu_end()
-	{
-		// Honour current cheat selections.
-		uint32 i;
-		for (i = 0; i < Cheat.num_cheats; i++) {
-			if (Cheat.c[i].enabled)
-				S9xApplyCheat(i);
-			else
-				S9xRemoveCheat(i);
-		}
-		// Save current cheat selections to the cheat binary file.
-		S9xSaveCheatFile (S9xGetFilename (".chb"));
-	}
-
-	void cheat_option_action()
-	{
-		char tmp_buf[512];
-		strcpy(tmp_buf, *(current_option->display_string));
-		int i = atoi(tmp_buf);
-		// 'i' is the cheat group index.
-		if (cheat_group_name_ptr[i] == NULL)
-			return;
-		if (NDSSFCIsCheatGroupEnabled (cheat_group_name_ptr[i]))
-			NDSSFCDisableCheatGroup (cheat_group_name_ptr[i]);
-		else
-			NDSSFCEnableCheatGroup (cheat_group_name_ptr[i]);
-	}
-
-	void cheat_option_passive()
-	{
-		unsigned short color;
-		char tmp_buf[512];
-		unsigned int len;
-
-		if(display_option == current_option)
-			color= COLOR_ACTIVE_ITEM;
-		else
-			color= COLOR_INACTIVE_ITEM;
-
-		//sprintf("%A") will have problem ?
-		strcpy(tmp_buf, *(display_option->display_string));
-		// This is the number of the cheat to display
-
-		int i = atoi(tmp_buf);
-
-		sprintf(line_buffer, "%d.", i + 1);
-		PRINT_STRING_BG(down_screen_addr, line_buffer, color, COLOR_TRANS, CHEAT_NUMBER_X, GUI_ROW1_Y + display_option-> line_number * GUI_ROW_SY + TEXT_OFFSET_Y);
-
-		if (cheat_group_name_ptr[i] == NULL) {
-			PRINT_STRING_BG(down_screen_addr, msg[MSG_CHEAT_ELEMENT_NOT_LOADED], color, COLOR_TRANS, CHEAT_DESC_X, GUI_ROW1_Y + display_option-> line_number * GUI_ROW_SY + TEXT_OFFSET_Y);
-		}
-		else {
-			strcpy(line_buffer, cheat_group_name_ptr[i]);
-			len = BDF_cut_string(line_buffer, 0, 2);
-			if(len > CHEAT_DESC_SX)
-			{
-				len = BDF_cut_string(line_buffer, CHEAT_DESC_SX, 1);
-				line_buffer[len] = '\0';
-				strcat(line_buffer, "...");
-			}
-			PRINT_STRING_BG(down_screen_addr, line_buffer, color, COLOR_TRANS, CHEAT_DESC_X, GUI_ROW1_Y + display_option-> line_number * GUI_ROW_SY + TEXT_OFFSET_Y);
-
-			if (NDSSFCIsCheatGroupEnabled (cheat_group_name_ptr[i]))
-				strcpy(line_buffer, "+");
-			else
-				strcpy(line_buffer, "-");
-			PRINT_STRING_BG(down_screen_addr, line_buffer, color, COLOR_TRANS, CHEAT_ACTIVE_X, GUI_ROW1_Y + display_option-> line_number * GUI_ROW_SY + TEXT_OFFSET_Y);
-		}
-	}
-
-    void menu_load_cheat_file()
-    {
-	if (!first_load)
-	{
-		char *file_ext[] = { ".cht", NULL };
-		int flag;
-
-		if(load_file(file_ext, tmp_filename, DEFAULT_CHEAT_DIR) != -1)
-		{
-			sprintf(line_buffer, "%s/%s", DEFAULT_CHEAT_DIR, tmp_filename);
-			flag = NDSSFCLoadCheatFile(line_buffer);
-
-			S9xSaveCheatFile (S9xGetFilename (".chb")); // cheat binary
-
-			if(0 != flag)
-			{	//load cheat file failure
-				S9xDeleteCheats();
-
-				cheat_menu_init();
-				return;
-			}
-
-			menu_cheat_page = 0;
-			cheat_menu_init();
-
-		}
-	}
-    }
-
-    void save_screen_snapshot()
-    {
-        if(bg_screenp != NULL)
-        {
-            bg_screenp_color = COLOR16(43, 11, 11);
-            memcpy(bg_screenp, down_screen_addr, 256*192*2);
-        }
-        else
-            bg_screenp_color = COLOR_BG;
-
-        draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-        if(!first_load)
-        {
-            draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SCREENSHOT_CREATING]);
-            ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-            if(save_ss_bmp(screen)) {
-                draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-                draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SCREENSHOT_CREATION_SUCCEEDED]);
-            }
-            else {
-                draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-                draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SCREENSHOT_CREATION_FAILED]);
-            }
-            ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-			mdelay(500);
-        }
-        else
-        {
-            draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_TOP_SCREEN_NO_SAVED_STATE_IN_SLOT]);
-            ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-			mdelay(500);
-        }
-    }
-
-    void browse_screen_snapshot()
-    {
-        play_screen_snapshot();
-    }
-
-    MENU_TYPE latest_game_menu;
-
-    void load_default_setting()
-    {
-        if(bg_screenp != NULL)
-        {
-            bg_screenp_color = COLOR16(43, 11, 11);
-            memcpy(bg_screenp, down_screen_addr, 256*192*2);
-        }
-        else
-            bg_screenp_color = COLOR_BG;
-
-        draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-        draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_DIALOG_RESET]);
-
-        if(draw_yesno_dialog(DOWN_SCREEN, 115, msg[MSG_GENERAL_CONFIRM_WITH_A], msg[MSG_GENERAL_CANCEL_WITH_B]))
-        {
-			wait_Allkey_release(0);
-            draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-            draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_RESETTING]);
-            ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-            sprintf(line_buffer, "%s/%s", main_path, EMU_CONFIG_FILENAME);
-            remove(line_buffer);
-
-            first_load= 1;
-            latest_game_menu.focus_option = latest_game_menu.screen_focus = 0;
-            init_emulator_config();
-            init_game_config();
-
-			ds2_clearScreen(UP_SCREEN, 0);
-            draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_GAME_LOADED]);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-
-			// mdelay(500); // Delete this delay
-        }
-    }
-
-    void check_gbaemu_version()
-    {
-        if(bg_screenp != NULL)
-        {
-            bg_screenp_color = COLOR16(43, 11, 11);
-            memcpy(bg_screenp, down_screen_addr, 256*192*2);
-        }
-        else
-            bg_screenp_color = COLOR_BG;
-
-        draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-	sprintf(line_buffer, "%s\n%s %s", msg[MSG_EMULATOR_NAME], msg[MSG_WORD_EMULATOR_VERSION], NDSSFC_VERSION);
-        draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, line_buffer);
-        ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-		wait_Allkey_release(0); // invoked from the menu
-		wait_Anykey_press(0); // wait until the user presses something
-		wait_Allkey_release(0); // don't give that button to the menu
-    }
-
-    void language_set()
-    {
-        if(gui_action == CURSOR_LEFT || gui_action == CURSOR_RIGHT)
-        {
-            HighFrequencyCPU(); // crank it up
-
-            load_language_msg(LANGUAGE_PACK, emu_config.language);
-
-            if(first_load)
-            {
-				ds2_clearScreen(UP_SCREEN, 0);
-                draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_GAME_LOADED]);
-				ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-            }
-
-            LowFrequencyCPU(); // and back down
-        }
-    }
-
-#ifdef ENABLE_FREE_SPACE
-	unsigned int freespace;
-    void show_card_space ()
-    {
-        u32 line_num;
-        u32 num_byte;
-
-        strcpy(line_buffer, *(display_option->display_string));
-        line_num= display_option-> line_number;
-        PRINT_STRING_BG(down_screen_addr, line_buffer, COLOR_INACTIVE_ITEM, COLOR_TRANS, OPTION_TEXT_X,
-            GUI_ROW1_Y + (display_option->line_number) * GUI_ROW_SY + TEXT_OFFSET_Y);
-
-		num_byte = freespace;
-
-        if(num_byte <= 9999*2)
-        { /* < 9999KB */
-            sprintf(line_buffer, "%d", num_byte/2);
-            if(num_byte & 1)
-                strcat(line_buffer, ".5 KB");
-            else
-                strcat(line_buffer, ".0 KB");
-        }
-        else if(num_byte <= 9999*1024*2)
-        { /* < 9999MB */
-            num_byte /= 1024;
-            sprintf(line_buffer, "%d", num_byte/2);
-            if(num_byte & 1)
-                strcat(line_buffer, ".5 MB");
-            else
-                strcat(line_buffer, ".0 MB");
-        }
-        else
-        {
-            num_byte /= 1024*1024;
-            sprintf(line_buffer, "%d", num_byte/2);
-            if(num_byte & 1)
-                strcat(line_buffer, ".5 GB");
-            else
-                strcat(line_buffer, ".0 GB");
-        }
-
-        PRINT_STRING_BG(down_screen_addr, line_buffer, COLOR_INACTIVE_ITEM, COLOR_TRANS, 147,
-            GUI_ROW1_Y + (display_option->line_number) * GUI_ROW_SY + TEXT_OFFSET_Y);
-    }
-#endif
-
-    char *screen_ratio_options[] = { (char*)&msg[MSG_VIDEO_ASPECT_RATIO_0],
-									(char*)&msg[MSG_VIDEO_ASPECT_RATIO_1],
-									(char*)&msg[MSG_VIDEO_ASPECT_RATIO_2],
-									(char*)&msg[MSG_VIDEO_ASPECT_RATIO_3],
-									(char*)&msg[MSG_VIDEO_ASPECT_RATIO_4]};
-    
-    char *frameskip_options[] = { (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_AUTOMATIC], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_0], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_1], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_2], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_3], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_4], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_5], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_6], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_7], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_8], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_9], (char*)&msg[MSG_VIDEO_FRAME_SKIPPING_10] };
-
-    char *cpu_frequency_options[] = { (char*)&msg[MSG_OPTIONS_CPU_FREQUENCY_0], (char*)&msg[MSG_OPTIONS_CPU_FREQUENCY_1], (char*)&msg[MSG_OPTIONS_CPU_FREQUENCY_2], (char*)&msg[MSG_OPTIONS_CPU_FREQUENCY_3], (char*)&msg[MSG_OPTIONS_CPU_FREQUENCY_4], (char*)&msg[MSG_OPTIONS_CPU_FREQUENCY_5] };
-
-    char *fluidity_options[] = { (char*)&msg[MSG_VIDEO_AUDIO_FLUIDITY_PREFER_VIDEO], (char*)&msg[MSG_VIDEO_AUDIO_FLUIDITY_PREFER_AUDIO] };
-
-    char *on_off_options[] = { (char*)&msg[MSG_GENERAL_OFF], (char*)&msg[MSG_GENERAL_ON] };
-
-    char *sound_seletion[] = { (char*)&msg[MSG_AUDIO_MUTED], (char*)&msg[MSG_AUDIO_ENABLED] };
-
-    char *game_screen_options[] = { (char*)&msg[MSG_VIDEO_GAME_SCREEN_TOP], (char*)&msg[MSG_VIDEO_GAME_SCREEN_BOTTOM] };
-
-
-//    char *snap_frame_options[] = { (char*)&msg[MSG_SNAP_FRAME_0], (char*)&msg[MSG_SNAP_FRAME_1] };
-
-//    char *enable_disable_options[] = { (char*)&msg[MSG_EN_DIS_ABLE_0], (char*)&msg[MSG_EN_DIS_ABLE_1] };
-
-  /*--------------------------------------------------------
-    Video & Audio
-  --------------------------------------------------------*/
-	MENU_OPTION_TYPE graphics_options[] =
-	{
-	/* 00 */ SUBMENU_OPTION(NULL, &msg[MSG_MAIN_MENU_VIDEO_AUDIO], NULL, 0),
-
-    /* 01 */ STRING_SELECTION_OPTION(NULL, NULL, &msg[FMT_VIDEO_ASPECT_RATIO], screen_ratio_options,
-        &game_config.graphic, 5, NULL, PASSIVE_TYPE, 1),
-
-	/* 02 */ STRING_SELECTION_OPTION(game_fastforward, NULL, &msg[FMT_VIDEO_FAST_FORWARD], on_off_options,
-		&game_fast_forward, 2, NULL, ACTION_TYPE, 2),
-
-	/* 03 */	STRING_SELECTION_OPTION(game_disableAudio, NULL, &msg[FMT_AUDIO_SOUND], sound_seletion,
-		&game_enable_audio, 2, NULL, ACTION_TYPE, 3),
-
-	/* 04 */	STRING_SELECTION_OPTION(game_set_fluidity, NULL, &msg[FMT_VIDEO_AUDIO_FLUIDITY_PREFERENCE], fluidity_options,
-		&game_config.SoundSync, 2, NULL, ACTION_TYPE, 4),
-
-	/* 05 */	STRING_SELECTION_OPTION(game_set_frameskip, NULL, &msg[FMT_VIDEO_FRAME_SKIPPING], frameskip_options,
-		&game_config.frameskip_value, 12 /* auto (0) and 0..10 (1..11) make 12 option values */, NULL, ACTION_TYPE, 5),
-
-	/* 06 */	STRING_SELECTION_OPTION(game_set_retro, NULL, &msg[FMT_AUDIO_RETRO_SOUND], on_off_options,
-		&game_config.RetroSound, 2, NULL, ACTION_TYPE, 6),
-
-	/* 07 */	STRING_SELECTION_OPTION(NULL, NULL, &msg[FMT_VIDEO_GAME_SCREEN], game_screen_options,
-		&emu_config.BottomScreenGame, 2, NULL, PASSIVE_TYPE, 7)
-
-	};
-
-	MAKE_MENU(graphics, NULL, NULL, NULL, NULL, 1, 1);
-
-  /*--------------------------------------------------------
-     Game state -- delette
-  --------------------------------------------------------*/
-	MENU_TYPE game_state_menu;
-
-	MENU_OPTION_TYPE gamestate_delette_options[] =
-	{
-	/* 00 */ SUBMENU_OPTION(&game_state_menu, &msg[MSG_SAVED_STATE_DELETE_GENERAL], NULL, 0),
-
-	/* 01 */ NUMERIC_SELECTION_ACTION_OPTION(delette_savestate, NULL,
-		&msg[FMT_SAVED_STATE_DELETE_ONE], &delette_savestate_num, SAVE_STATE_SLOT_NUM, NULL, 1),
-
-	/* 02 */ ACTION_OPTION(delette_savestate, NULL, &msg[MSG_SAVED_STATE_DELETE_ALL], NULL, 2)
-	};
-
-	MAKE_MENU(gamestate_delette, gamestate_delette_menu_init, gamestate_delette_menu_passive, NULL, gamestate_delette_menu_end, 1, 1);
-
-  /*--------------------------------------------------------
-     Game state
-  --------------------------------------------------------*/
-	MENU_OPTION_TYPE game_state_options[] =
-	{
-	/* 00 */ SUBMENU_OPTION(NULL, &msg[MSG_MAIN_MENU_SAVED_STATES], NULL, 0),
-
-	// savestate_index is still a signed int
-	/* 01 */ NUMERIC_SELECTION_ACTION_OPTION(menu_save_state, NULL, &msg[FMT_SAVED_STATE_CREATE], (u32*) &savestate_index, SAVE_STATE_SLOT_NUM, NULL, 1),
-
-	// savestate_index is still a signed int
-	/* 02 */ NUMERIC_SELECTION_ACTION_OPTION(menu_load_state, NULL,
-        &msg[FMT_SAVED_STATE_LOAD], (u32*) &savestate_index, SAVE_STATE_SLOT_NUM, NULL, 2),
-
-	/* 03 */ SUBMENU_OPTION(&gamestate_delette_menu, &msg[MSG_SAVED_STATE_DELETE_GENERAL], NULL, 5),
-	};
-
-	INIT_MENU(game_state, game_state_menu_init, game_state_menu_passive, NULL, game_state_menu_end, 1, 1);
-
-  /*--------------------------------------------------------
-     Cheat options
-  --------------------------------------------------------*/
-	MENU_OPTION_TYPE cheats_options[] =
-	{
-	/* 00 */ SUBMENU_OPTION(NULL, &msg[MSG_MAIN_MENU_CHEATS], NULL,0),
-
-	/* 01 */ CHEAT_OPTION(cheat_option_action, cheat_option_passive,
-		((CHEATS_PER_PAGE * menu_cheat_page) + 0), 1),
-	/* 02 */ CHEAT_OPTION(cheat_option_action, cheat_option_passive,
-		((CHEATS_PER_PAGE * menu_cheat_page) + 1), 2),
-	/* 03 */ CHEAT_OPTION(cheat_option_action, cheat_option_passive,
-		((CHEATS_PER_PAGE * menu_cheat_page) + 2), 3),
-	/* 04 */ CHEAT_OPTION(cheat_option_action, cheat_option_passive,
-		((CHEATS_PER_PAGE * menu_cheat_page) + 3), 4),
-	/* 03 */ CHEAT_OPTION(cheat_option_action, cheat_option_passive,
-		((CHEATS_PER_PAGE * menu_cheat_page) + 4), 5),
-	/* 04 */ CHEAT_OPTION(cheat_option_action, cheat_option_passive,
-		((CHEATS_PER_PAGE * menu_cheat_page) + 5), 6),
-
-	/* 05 */ NUMERIC_SELECTION_ACTION_OPTION(reload_cheats_page, NULL, &msg[FMT_CHEAT_PAGE],
-        &menu_cheat_page, MAX_CHEATS_PAGE, NULL, 7),
-
-	/* 06 */ ACTION_OPTION(menu_load_cheat_file, NULL, &msg[MSG_CHEAT_LOAD_FROM_FILE],
-        NULL, 8)
-	};
-
-	INIT_MENU(cheats, cheat_menu_init, NULL, NULL, cheat_menu_end, 1, 1);
-
-  /*--------------------------------------------------------
-     Tools-screensanp
-  --------------------------------------------------------*/
-    MENU_TYPE tools_menu;
-
-    MENU_OPTION_TYPE tools_screensnap_options[] =
-    {
-	/* 00 */ SUBMENU_OPTION(&tools_menu, &msg[MSG_TOOLS_SCREENSHOT_GENERAL], NULL, 0),
-
-	/* 01 */ ACTION_OPTION(save_screen_snapshot, NULL, &msg[MSG_SCREENSHOT_CREATE], NULL, 1),
-
-	/* 02 */ ACTION_OPTION(browse_screen_snapshot, NULL, &msg[MSG_SCREENSHOT_BROWSE], NULL, 2)
-    };
-
-    MAKE_MENU(tools_screensnap, NULL, NULL, NULL, NULL, 1, 1);
-
-  /*--------------------------------------------------------
-     Tools - Global hotkeys
-  --------------------------------------------------------*/
-    MENU_OPTION_TYPE tools_global_hotkeys_options[] =
-    {
-	/* 00 */ SUBMENU_OPTION(&tools_menu, &msg[MSG_TOOLS_GLOBAL_HOTKEY_GENERAL], NULL, 0),
-
-	/* 01 */ ACTION_OPTION(set_global_hotkey_return_to_menu, global_hotkey_return_to_menu_passive, &msg[MSG_HOTKEY_MAIN_MENU], NULL, 1),
-
-	/* 02 */ ACTION_OPTION(set_global_hotkey_temporary_fast_forward, global_hotkey_temporary_fast_forward_passive, &msg[MSG_HOTKEY_TEMPORARY_FAST_FORWARD], NULL, 2),
-
-	/* 03 */ ACTION_OPTION(set_global_hotkey_toggle_sound, global_hotkey_toggle_sound_passive, &msg[MSG_HOTKEY_SOUND_TOGGLE], NULL, 3),
-
-	/* 04 */ ACTION_OPTION(set_global_hotkey_quick_save_state, global_hotkey_quick_save_state_passive, &msg[MSG_HOTKEY_QUICK_SAVE_STATE], NULL, 4),
-
-	/* 05 */ ACTION_OPTION(set_global_hotkey_quick_load_state, global_hotkey_quick_load_state_passive, &msg[MSG_HOTKEY_QUICK_LOAD_STATE], NULL, 5),
-
-	/* 06 */ ACTION_OPTION(set_global_hotkey_toggle_full_screen, global_hotkey_toggle_full_screen_passive, &msg[MSG_HOTKEY_FULL_SCREEN_TOGGLE], NULL, 6)
-    };
-
-    MAKE_MENU(tools_global_hotkeys, NULL, NULL, NULL, NULL, 1, 1);
-
-  /*--------------------------------------------------------
-     Tools - Game-specific hotkey overrides
-  --------------------------------------------------------*/
-    MENU_OPTION_TYPE tools_game_specific_hotkeys_options[] =
-    {
-	/* 00 */ SUBMENU_OPTION(&tools_menu, &msg[MSG_TOOLS_GAME_HOTKEY_GENERAL], NULL, 0),
-
-	/* 01 */ ACTION_OPTION(set_game_specific_hotkey_return_to_menu, game_specific_hotkey_return_to_menu_passive, &msg[MSG_HOTKEY_MAIN_MENU], NULL, 1),
-
-	/* 02 */ ACTION_OPTION(set_game_specific_hotkey_temporary_fast_forward, game_specific_hotkey_temporary_fast_forward_passive, &msg[MSG_HOTKEY_TEMPORARY_FAST_FORWARD], NULL, 2),
-
-	/* 03 */ ACTION_OPTION(set_game_specific_hotkey_toggle_sound, game_specific_hotkey_toggle_sound_passive, &msg[MSG_HOTKEY_SOUND_TOGGLE], NULL, 3),
-
-	/* 04 */ ACTION_OPTION(set_game_specific_hotkey_quick_save_state, game_specific_hotkey_quick_save_state_passive, &msg[MSG_HOTKEY_QUICK_SAVE_STATE], NULL, 4),
-
-	/* 05 */ ACTION_OPTION(set_game_specific_hotkey_quick_load_state, game_specific_hotkey_quick_load_state_passive, &msg[MSG_HOTKEY_QUICK_LOAD_STATE], NULL, 5),
-
-	/* 06 */ ACTION_OPTION(set_game_specific_hotkey_toggle_full_screen, game_specific_hotkey_toggle_full_screen_passive, &msg[MSG_HOTKEY_FULL_SCREEN_TOGGLE], NULL, 6)
-    };
-
-    MAKE_MENU(tools_game_specific_hotkeys, NULL, NULL, NULL, NULL, 1, 1);
-
-  /*--------------------------------------------------------
-     Tools
-  --------------------------------------------------------*/
-    MENU_OPTION_TYPE tools_options[] =
-    {
-	/* 00 */ SUBMENU_OPTION(NULL, &msg[MSG_MAIN_MENU_TOOLS], NULL, 0),
-
-	/* 01 */ SUBMENU_OPTION(&tools_screensnap_menu, &msg[MSG_TOOLS_SCREENSHOT_GENERAL], NULL, 1),
-
-	/* 02 */ SUBMENU_OPTION(&tools_global_hotkeys_menu, &msg[MSG_TOOLS_GLOBAL_HOTKEY_GENERAL], NULL, 2),
-
-	/* 03 */ SUBMENU_OPTION(&tools_game_specific_hotkeys_menu, &msg[MSG_TOOLS_GAME_HOTKEY_GENERAL], NULL, 3)
-    };
-
-    INIT_MENU(tools, tools_menu_init, NULL, NULL, NULL, 1, 1);
-
-  /*--------------------------------------------------------
-     Others
-  --------------------------------------------------------*/
-    u32 desert= 0;
-	MENU_OPTION_TYPE others_options[] = 
-	{
-	/* 00 */ SUBMENU_OPTION(NULL, &msg[MSG_MAIN_MENU_OPTIONS], NULL, 0),
-
-	//CPU speed (string: shows MHz)
-	/* 01 */ STRING_SELECTION_OPTION(NULL, NULL, &msg[FMT_OPTIONS_CPU_FREQUENCY], cpu_frequency_options, 
-        &game_config.clock_speed_number, 6, NULL, PASSIVE_TYPE, 1),
-
-	/* 02 */ STRING_SELECTION_OPTION(language_set, NULL, &msg[FMT_OPTIONS_LANGUAGE], language_options, 
-        &emu_config.language, sizeof(language_options) / sizeof(language_options[0]) /* number of possible languages */, NULL, ACTION_TYPE, 2),
-
-#ifdef ENABLE_FREE_SPACE
-	/* 03 */ STRING_SELECTION_OPTION(NULL, show_card_space, &msg[MSG_OPTIONS_CARD_CAPACITY], NULL, 
-        &desert, 2, NULL, PASSIVE_TYPE | HIDEN_TYPE, 3),
-#endif
-
-	/* 04 */ ACTION_OPTION(load_default_setting, NULL, &msg[MSG_OPTIONS_RESET], NULL, 
-#ifdef ENABLE_FREE_SPACE
-			4
-#else
-			3
-#endif
-		),
-
-	/* 05 */ ACTION_OPTION(check_gbaemu_version, NULL, &msg[MSG_OPTIONS_VERSION], NULL, 
-#ifdef ENABLE_FREE_SPACE
-			5
-#else
-			4
-#endif
-		),
-	};
-
-	MAKE_MENU(others, others_menu_init, NULL, NULL, NULL, 1, 1);
-
-  /*--------------------------------------------------------
-     Load_game
-  --------------------------------------------------------*/
-
-    MENU_OPTION_TYPE load_game_options[] =
-    {
-	/* 00 */ SUBMENU_OPTION(NULL, &msg[MSG_LOAD_GAME_MENU_TITLE], NULL, 0),
-
-	/* 01 */ ACTION_OPTION(menu_load, NULL, &msg[MSG_LOAD_GAME_FROM_CARD], NULL, 1),
-
-	/* 02 */ SUBMENU_OPTION(&latest_game_menu, &msg[MSG_LOAD_GAME_RECENTLY_PLAYED], NULL, 2)
-    };
-
-    MAKE_MENU(load_game, NULL, NULL, NULL, NULL, 1, 1);
-
-  /*--------------------------------------------------------
-     Latest game
-  --------------------------------------------------------*/
-    MENU_OPTION_TYPE latest_game_options[] =
-    {
-	/* 00 */ SUBMENU_OPTION(&load_game_menu, &msg[MSG_LOAD_GAME_RECENTLY_PLAYED], NULL, 0),
-
-	/* 01 */ ACTION_OPTION(load_lastest_played, NULL, NULL, NULL, 1),
-
-	/* 02 */ ACTION_OPTION(load_lastest_played, NULL, NULL, NULL, 2),
-
-	/* 03 */ ACTION_OPTION(load_lastest_played, NULL, NULL, NULL, 3),
-
-	/* 04 */ ACTION_OPTION(load_lastest_played, NULL, NULL, NULL, 4),
-
-	/* 05 */ ACTION_OPTION(load_lastest_played, NULL, NULL, NULL, 5)
-    };
-
-    INIT_MENU(latest_game, latest_game_menu_init, latest_game_menu_passive,
-		latest_game_menu_key, latest_game_menu_end, 0, 0);
-
-  /*--------------------------------------------------------
-     MAIN MENU
-  --------------------------------------------------------*/
-	MENU_OPTION_TYPE main_options[] =
-	{
-    /* 00 */ SUBMENU_OPTION(&graphics_menu, &msg[MSG_MAIN_MENU_VIDEO_AUDIO], NULL, 0),
-
-    /* 01 */ SUBMENU_OPTION(&game_state_menu, &msg[MSG_MAIN_MENU_SAVED_STATES], NULL, 1),
-
-    /* 02 */ SUBMENU_OPTION(&cheats_menu, &msg[MSG_MAIN_MENU_CHEATS], NULL, 2),
-
-    /* 03 */ SUBMENU_OPTION(&tools_menu, &msg[MSG_MAIN_MENU_TOOLS], NULL, 3),
-
-    /* 04 */ SUBMENU_OPTION(&others_menu, &msg[MSG_MAIN_MENU_OPTIONS], NULL, 4),
-
-    /* 05 */ ACTION_OPTION(menu_exit, NULL, &msg[MSG_MAIN_MENU_EXIT], NULL, 5),
-
-    /* 06 */ SUBMENU_OPTION(&load_game_menu, NULL, NULL, 6),
-
-    /* 07 */ ACTION_OPTION(menu_return, NULL, NULL, NULL, 7),
-
-    /* 08 */ ACTION_OPTION(menu_restart, NULL, NULL, NULL, 8)
-	};
-
-	MAKE_MENU(main, NULL, main_menu_passive, main_menu_key, NULL, 6, 0);
-
-	void main_menu_passive()
-	{
-		u16 color;
-		show_icon(down_screen_addr, &ICON_MAINBG, 0, 0);
-
-		//Audio/Video
-		strcpy(line_buffer, *(display_option->display_string));
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_AVO, 19, 2);
-			show_icon(down_screen_addr, &ICON_MSEL, 5, 57);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NAVO, 19, 2);
-			show_icon(down_screen_addr, &ICON_MNSEL, 5, 57);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 7, 57, 75, color, line_buffer);
-
-		//Save
-		strcpy(line_buffer, *(display_option->display_string));
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_SAVO, 103, 2);
-			show_icon(down_screen_addr, &ICON_MSEL, 89, 57);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NSAVO, 103, 2);
-			show_icon(down_screen_addr, &ICON_MNSEL, 89, 57);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 91, 57, 75, color, line_buffer);
-
-		//Cheat
-		strcpy(line_buffer, *(display_option->display_string));
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_CHEAT, 187, 2);
-			show_icon(down_screen_addr, &ICON_MSEL, 173, 57);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NCHEAT, 187, 2);
-			show_icon(down_screen_addr, &ICON_MNSEL, 173, 57);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 175, 57, 75, color, line_buffer);
-
-		//Tools
-		strcpy(line_buffer, *(display_option->display_string));
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_TOOL, 19, 75);
-			show_icon(down_screen_addr, &ICON_MSEL, 5, 131);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NTOOL, 19, 75);
-			show_icon(down_screen_addr, &ICON_MNSEL, 5, 131);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 7, 131, 75, color, line_buffer);
-
-		//Other
-		strcpy(line_buffer, *(display_option->display_string));
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_OTHER, 103, 75);
-			show_icon(down_screen_addr, &ICON_MSEL, 89, 131);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NOTHER, 103, 75);
-			show_icon(down_screen_addr, &ICON_MNSEL, 89, 131);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 91, 131, 75, color, line_buffer);
-
-		//Exit
-		strcpy(line_buffer, *(display_option->display_string));
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_EXIT, 187, 75);
-			show_icon(down_screen_addr, &ICON_MSEL, 173, 131);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NEXIT, 187, 75);
-			show_icon(down_screen_addr, &ICON_MNSEL, 173, 131);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 175, 131, 75, color, line_buffer);
-
-		//New
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_MAINITEM, 0, 154);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NMAINITEM, 0, 154);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 0, 165, 85, color, msg[MSG_MAIN_MENU_NEW_GAME]);
-
-		//Restart
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_MAINITEM, 85, 154);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NMAINITEM, 85, 154);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 85, 165, 85, color, msg[MSG_MAIN_MENU_RETURN_TO_GAME]);
-
-		//Return
-		if(display_option++ == current_option) {
-			show_icon(down_screen_addr, &ICON_MAINITEM, 170, 154);
-			color = COLOR_ACTIVE_MAIN;
-		}
-		else {
-			show_icon(down_screen_addr, &ICON_NMAINITEM, 170, 154);
-			color = COLOR_INACTIVE_MAIN;
-		}
-		draw_string_vcenter(down_screen_addr, 170, 165, 85, color, msg[MSG_MAIN_MENU_RESET_GAME]);
-	}
-
-    void main_menu_key()
-    {
-        switch(gui_action)
-        {
-            case CURSOR_DOWN:
-				if(current_option_num < 6)	current_option_num += 3;
-				else current_option_num -= 6;
-
-                current_option = current_menu->options + current_option_num;
-              break;
-
-            case CURSOR_UP:
-				if(current_option_num < 3)	current_option_num += 6;
-				else current_option_num -= 3;
-
-                current_option = current_menu->options + current_option_num;
-              break;
-
-            case CURSOR_RIGHT:
-				if(current_option_num == 2)	current_option_num -= 2;
-				else if(current_option_num == 5)	current_option_num -= 2;
-				else if(current_option_num == 8)	current_option_num -= 2;
-				else current_option_num += 1;
-
-                current_option = main_menu.options + current_option_num;
-              break;
-
-            case CURSOR_LEFT:
-				if(current_option_num == 0)	current_option_num += 2;
-				else if(current_option_num == 3)	current_option_num += 2;
-				else if(current_option_num == 6)	current_option_num += 2;
-				else current_option_num -= 1;
-
-                current_option = main_menu.options + current_option_num;
-              break;
-
-            default:
-              break;
-        }// end swith
-    }
-
-	void tools_menu_init()
-	{
-		/* if(game_config.backward)
-			tools_options[4].option_type &= ~HIDEN_TYPE;
-		else
-			tools_options[4].option_type |= HIDEN_TYPE; */
-		// OUT OF BOUNDS MEMORY ACCESS, REENABLE IF NEEDED [NEB]
-		if (first_load)
-			tools_options[3] /* game hotkeys */.option_type |= HIDEN_TYPE;
-		else
-			tools_options[3] /* game hotkeys */.option_type &= ~HIDEN_TYPE;
-	}
-
-	void obtain_hotkey (u32 *HotkeyBitfield)
-	{
-		draw_message(down_screen_addr, bg_screenp, 28, 31, 227, 165, bg_screenp_color);
-		draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_HOTKEY_WAITING_FOR_KEYS]);
-
-		u32 Keys = draw_hotkey_dialog(DOWN_SCREEN, 115, msg[MSG_HOTKEY_DELETE_WITH_A], msg[MSG_HOTKEY_CANCEL_WITH_B]);
-		if (Keys == KEY_B)
-			; // unmodified
-		else if (Keys == KEY_A)
-			*HotkeyBitfield = 0; // clear
-		else
-			*HotkeyBitfield = Keys; // set
-	}
-
-	void set_global_hotkey_return_to_menu()
-	{
-		obtain_hotkey(&emu_config.HotkeyReturnToMenu);
-	}
-
-	void set_global_hotkey_temporary_fast_forward()
-	{
-		obtain_hotkey(&emu_config.HotkeyTemporaryFastForward);
-	}
-
-	void set_global_hotkey_toggle_sound()
-	{
-		obtain_hotkey(&emu_config.HotkeyToggleSound);
-	}
-
-	void set_global_hotkey_quick_load_state()
-	{
-		obtain_hotkey(&emu_config.HotkeyQuickLoadState);
-	}
-
-	void set_global_hotkey_quick_save_state()
-	{
-		obtain_hotkey(&emu_config.HotkeyQuickSaveState);
-	}
-
-	void set_global_hotkey_toggle_full_screen()
-	{
-		obtain_hotkey(&emu_config.HotkeyToggleFullScreen);
-	}
-
-	void set_game_specific_hotkey_return_to_menu()
-	{
-		obtain_hotkey(&game_config.HotkeyReturnToMenu);
-	}
-
-	void set_game_specific_hotkey_temporary_fast_forward()
-	{
-		obtain_hotkey(&game_config.HotkeyTemporaryFastForward);
-	}
-
-	void set_game_specific_hotkey_toggle_sound()
-	{
-		obtain_hotkey(&game_config.HotkeyToggleSound);
-	}
-
-	void set_game_specific_hotkey_quick_load_state()
-	{
-		obtain_hotkey(&game_config.HotkeyQuickLoadState);
-	}
-
-	void set_game_specific_hotkey_quick_save_state()
-	{
-		obtain_hotkey(&game_config.HotkeyQuickSaveState);
-	}
-
-	void set_game_specific_hotkey_toggle_full_screen()
-	{
-		obtain_hotkey(&game_config.HotkeyToggleFullScreen);
-	}
-
-#define HOTKEY_CONTENT_X 156
-	void hotkey_option_passive_common(u32 HotkeyBitfield)
-	{
-		unsigned short color;
-		char tmp_buf[512];
-		unsigned int len;
-
-		if(display_option == current_option)
-			color= COLOR_ACTIVE_ITEM;
-		else
-			color= COLOR_INACTIVE_ITEM;
-
-		strcpy(tmp_buf, *(display_option->display_string));
-		PRINT_STRING_BG(down_screen_addr, tmp_buf, color, COLOR_TRANS, OPTION_TEXT_X, GUI_ROW1_Y + display_option-> line_number * GUI_ROW_SY + TEXT_OFFSET_Y);
-
-		// Construct a UTF-8 string showing the buttons in the
-		// bitfield.
-		tmp_buf[0] = '\0';
-		if (HotkeyBitfield & KEY_L)      strcpy(tmp_buf, HOTKEY_L_DISPLAY);
-		if (HotkeyBitfield & KEY_R)      strcat(tmp_buf, HOTKEY_R_DISPLAY);
-		if (HotkeyBitfield & KEY_A)      strcat(tmp_buf, HOTKEY_A_DISPLAY);
-		if (HotkeyBitfield & KEY_B)      strcat(tmp_buf, HOTKEY_B_DISPLAY);
-		if (HotkeyBitfield & KEY_Y)      strcat(tmp_buf, HOTKEY_Y_DISPLAY);
-		if (HotkeyBitfield & KEY_X)      strcat(tmp_buf, HOTKEY_X_DISPLAY);
-		if (HotkeyBitfield & KEY_START)  strcat(tmp_buf, HOTKEY_START_DISPLAY);
-		if (HotkeyBitfield & KEY_SELECT) strcat(tmp_buf, HOTKEY_SELECT_DISPLAY);
-		if (HotkeyBitfield & KEY_UP)     strcat(tmp_buf, HOTKEY_UP_DISPLAY);
-		if (HotkeyBitfield & KEY_DOWN)   strcat(tmp_buf, HOTKEY_DOWN_DISPLAY);
-		if (HotkeyBitfield & KEY_LEFT)   strcat(tmp_buf, HOTKEY_LEFT_DISPLAY);
-		if (HotkeyBitfield & KEY_RIGHT)  strcat(tmp_buf, HOTKEY_RIGHT_DISPLAY);
-
-		PRINT_STRING_BG(down_screen_addr, tmp_buf, color, COLOR_TRANS, HOTKEY_CONTENT_X, GUI_ROW1_Y + display_option-> line_number * GUI_ROW_SY + TEXT_OFFSET_Y);
-	}
-
-	void global_hotkey_return_to_menu_passive()
-	{
-		hotkey_option_passive_common(emu_config.HotkeyReturnToMenu);
-	}
-
-	void global_hotkey_temporary_fast_forward_passive()
-	{
-		hotkey_option_passive_common(emu_config.HotkeyTemporaryFastForward);
-	}
-
-	void global_hotkey_toggle_sound_passive()
-	{
-		hotkey_option_passive_common(emu_config.HotkeyToggleSound);
-	}
-
-	void global_hotkey_quick_load_state_passive()
-	{
-		hotkey_option_passive_common(emu_config.HotkeyQuickLoadState);
-	}
-
-	void global_hotkey_quick_save_state_passive()
-	{
-		hotkey_option_passive_common(emu_config.HotkeyQuickSaveState);
-	}
-
-	void global_hotkey_toggle_full_screen_passive()
-	{
-		hotkey_option_passive_common(emu_config.HotkeyToggleFullScreen);
-	}
-
-	void game_specific_hotkey_return_to_menu_passive()
-	{
-		hotkey_option_passive_common(game_config.HotkeyReturnToMenu);
-	}
-
-	void game_specific_hotkey_temporary_fast_forward_passive()
-	{
-		hotkey_option_passive_common(game_config.HotkeyTemporaryFastForward);
-	}
-
-	void game_specific_hotkey_toggle_sound_passive()
-	{
-		hotkey_option_passive_common(game_config.HotkeyToggleSound);
-	}
-
-	void game_specific_hotkey_quick_load_state_passive()
-	{
-		hotkey_option_passive_common(game_config.HotkeyQuickLoadState);
-	}
-
-	void game_specific_hotkey_quick_save_state_passive()
-	{
-		hotkey_option_passive_common(game_config.HotkeyQuickSaveState);
-	}
-
-	void game_specific_hotkey_toggle_full_screen_passive()
-	{
-		hotkey_option_passive_common(game_config.HotkeyToggleFullScreen);
-	}
-
-	int lastest_game_menu_scroll_value;
-    void latest_game_menu_init()
-    {
-        u32 k;
-        char *ext_pos;
-
-        for(k= 0; k < 5; k++)
-        {
-            ext_pos= strrchr(emu_config.latest_file[k], '/');
-            if(ext_pos != NULL)
-                hscroll_init(down_screen_addr, OPTION_TEXT_X, GUI_ROW1_Y + k * GUI_ROW_SY + TEXT_OFFSET_Y, OPTION_TEXT_SX,
-                    COLOR_TRANS, k + 1 == latest_game_menu.focus_option ? COLOR_ACTIVE_ITEM : COLOR_INACTIVE_ITEM, ext_pos+1);
-			else
-				break;
-        }
-
-		if(k < 5)
-		{
-			latest_game_menu.num_options = k+1;
-		}
-		else
-			latest_game_menu.num_options = 6;
-
-		latest_game_menu.num_options = k+1;
-
-        for(; k < 5; k++)
-        {
-            latest_game_options[k+1].option_type |= HIDEN_TYPE;
-        }
-
-		lastest_game_menu_scroll_value = 0;
-    }
-
-    void latest_game_menu_passive()
-    {
-        u32 k;
-		//draw background
-		show_icon(down_screen_addr, &ICON_SUBBG, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLE, 0, 0);
-		show_icon(down_screen_addr, &ICON_TITLEICON, TITLE_ICON_X, TITLE_ICON_Y);
-
-		if(current_option_num == 0)
-			show_icon(down_screen_addr, &ICON_BACK, BACK_BUTTON_X, BACK_BUTTON_Y);
-		else
-		{
-			show_icon(down_screen_addr, &ICON_NBACK, BACK_BUTTON_X, BACK_BUTTON_Y);
-			show_icon(down_screen_addr, &ICON_SUBSELA, SUBSELA_X, GUI_ROW1_Y + (current_option_num-1) * GUI_ROW_SY + SUBSELA_OFFSET_Y);
-		}
-
-		strcpy(line_buffer, *(display_option->display_string));
-		draw_string_vcenter(down_screen_addr, 0, 9, 256, COLOR_ACTIVE_ITEM, line_buffer);
-
-		for(k= 0; k<5; k++)
-        if(emu_config.latest_file[k][0] != '\0')
-        {
-            if(current_option_num != k+1)
-                draw_hscroll(k, 0);
-            else
-			{
-                draw_hscroll(k, lastest_game_menu_scroll_value);
-				lastest_game_menu_scroll_value = 0;
-			}
-        }
-    }
-
-    void latest_game_menu_end()
-    {
-        u32 k;
-
-        for(k= 0; k < 5; k++)
-        {
-            if(emu_config.latest_file[k][0] != '\0')
-                draw_hscroll_over(k);
-        }
-    }
-
-	void latest_game_menu_key()
-	{
-		char *ext_pos;
-
-		switch(gui_action)
-        {
-            case CURSOR_DOWN:
-				//clear last option's bg
-				if(current_option_num != 0)
-				{
-					draw_hscroll_over(current_option_num-1);
-	            	ext_pos= strrchr(emu_config.latest_file[current_option_num-1], '/');
-                	hscroll_init(down_screen_addr, OPTION_TEXT_X, GUI_ROW1_Y + (current_option_num-1) * GUI_ROW_SY + TEXT_OFFSET_Y, OPTION_TEXT_SX,
-                	    COLOR_TRANS, COLOR_INACTIVE_ITEM, ext_pos+1);
-				}
-
-				current_option_num += 1;
-				if(current_option_num >= latest_game_menu.num_options)
-					current_option_num = 0;
-                current_option = current_menu->options + current_option_num;
-
-				//Set current bg
-				if(current_option_num != 0)
-				{
-					draw_hscroll_over(current_option_num-1);
-	            	ext_pos= strrchr(emu_config.latest_file[current_option_num-1], '/');
-                	hscroll_init(down_screen_addr, OPTION_TEXT_X, GUI_ROW1_Y + (current_option_num-1) * GUI_ROW_SY + TEXT_OFFSET_Y, OPTION_TEXT_SX,
-                	    COLOR_TRANS, COLOR_ACTIVE_ITEM, ext_pos+1);
-				}
-
-              break;
-
-            case CURSOR_UP:
-				//clear last option's bg
-				if(current_option_num != 0)
-				{
-					draw_hscroll_over(current_option_num-1);
-	            	ext_pos= strrchr(emu_config.latest_file[current_option_num-1], '/');
-                	hscroll_init(down_screen_addr, OPTION_TEXT_X, GUI_ROW1_Y + (current_option_num-1) * GUI_ROW_SY + TEXT_OFFSET_Y, OPTION_TEXT_SX,
-                	    COLOR_TRANS, COLOR_INACTIVE_ITEM, ext_pos+1);
-				}
-
-				if(current_option_num > 0)	current_option_num -= 1;
-				else current_option_num = latest_game_menu.num_options -1;
-                current_option = current_menu->options + current_option_num;
-
-				//Set current bg
-				if(current_option_num != 0)
-				{
-					draw_hscroll_over(current_option_num-1);
-	            	ext_pos= strrchr(emu_config.latest_file[current_option_num-1], '/');
-                	hscroll_init(down_screen_addr, OPTION_TEXT_X, GUI_ROW1_Y + (current_option_num-1) * GUI_ROW_SY + TEXT_OFFSET_Y, OPTION_TEXT_SX,
-                	    COLOR_TRANS, COLOR_ACTIVE_ITEM, ext_pos+1);
-				}
-
-		      break;
-
-            case CURSOR_RIGHT:
-				lastest_game_menu_scroll_value = -5;
-              break;
-
-            case CURSOR_LEFT:
-				lastest_game_menu_scroll_value = 5;
-              break;
-
-            default:
-              break;
-        }// end swith
-	}
-
-    void load_lastest_played()
-    {
-		char *ext_pos;
-
-		if(bg_screenp != NULL) {
-			bg_screenp_color = COLOR16(43, 11, 11);
-		}
-		else
-			bg_screenp_color = COLOR_BG;
-
-		ext_pos= strrchr(emu_config.latest_file[current_option_num -1], '/');
-		*ext_pos= '\0';
-		strcpy(rom_path, emu_config.latest_file[current_option_num -1]);
-		*ext_pos= '/';
-
-		ext_pos = emu_config.latest_file[current_option_num -1];
-
-		LoadGameAndItsData(ext_pos);
-
-		get_newest_savestate(tmp_filename);
-		if(tmp_filename[0] != '\0')
-		{
-			load_state(tmp_filename);
-		}
-    }
-
-    void game_fastforward()
-    {
-    }
-
-
-
-	void reload_cheats_page()
-	{
-		for(i = 0; i < CHEATS_PER_PAGE; i++)
-		{
-			cheats_options[i+1].display_string = &cheat_data_ptr[(CHEATS_PER_PAGE * menu_cheat_page) + i];
-		}
-	}
-
-    void others_menu_init()
-    {
-#ifdef ENABLE_FREE_SPACE
-		unsigned int total, used;
-
-		//get card space info
-		freespace = 0;
-		fat_getDiskSpaceInfo("fat:", &total, &used, &freespace);
-#endif
-    }
-
-	void choose_menu(MENU_TYPE *new_menu)
-	{
-		if(new_menu == NULL)
-			new_menu = &main_menu;
-
-		if(NULL != current_menu) {
-			if(current_menu->end_function)
-				current_menu->end_function();
-			SaveConfigsIfNeeded();
-			current_menu->focus_option = current_menu->screen_focus = current_option_num;
-		}
-
-		current_menu = new_menu;
-		current_option_num= current_menu -> focus_option;
-		current_option = new_menu->options + current_option_num;
-		PreserveConfigs();
-		if(current_menu->init_function)
-			current_menu->init_function();
-	}
-
-//----------------------------------------------------------------------------//
-//	Menu Start
-	LowFrequencyCPU();
-	if (!FirstInvocation)
-	{ // assume that the backlight is already at 3 when the emulator starts
-		mdelay(100); // to prevent ds2_setBacklight() from crashing
-		ds2_setBacklight(3);
-		// also allow the user to press A for New Game right away
-		wait_Allkey_release(0);
-	}
-
-    bg_screenp= (u16*)malloc(256*192*2);
-
-	repeat = 1;
-
-	if(gamepak_name[0] == 0)
-	{
-		first_load = 1;
-    //try auto loading games passed through argv first
-		if(strlen(argv[1]) > 0 && LoadGameAndItsData(argv[1]))
-			repeat = 0;
-		else
-		{
-			ds2_clearScreen(UP_SCREEN, COLOR_BLACK);
-			draw_string_vcenter(up_screen_addr, 0, 88, 256, COLOR_WHITE, msg[MSG_TOP_SCREEN_NO_GAME_LOADED]);
-			ds2_flipScreen(UP_SCREEN, UP_SCREEN_UPDATE_METHOD);
-		}
-	}
-	else
-	{
-		copy_screen(up_screen_addr, (void*) screen, 0, 0, 256, 192);
-		ds2_flipScreen(UP_SCREEN, 1);
-		copy_screen(up_screen_addr, (void*) screen, 0, 0, 256, 192);
-		ds2_flipScreen(UP_SCREEN, 1);
-	}
-
-	choose_menu(&main_menu);
-
-//	Menu loop
-
-	while(repeat)
-	{
-		display_option = current_menu->options;
-		string_select= 0;
-
-		if(current_menu -> passive_function)
-			current_menu -> passive_function();
-		else
-		{
-			u32 line_num, screen_focus, focus_option;
-
-			//draw background
-			show_icon(down_screen_addr, &ICON_SUBBG, 0, 0);
-			show_icon(down_screen_addr, &ICON_TITLE, 0, 0);
-			show_icon(down_screen_addr, &ICON_TITLEICON, TITLE_ICON_X, TITLE_ICON_Y);
-
-			strcpy(line_buffer, *(display_option->display_string));
-			draw_string_vcenter(down_screen_addr, 0, 9, 256, COLOR_ACTIVE_ITEM, line_buffer);
-
-			line_num = current_option_num;
-			screen_focus = current_menu -> screen_focus;
-			focus_option = current_menu -> focus_option;
-
-			if(focus_option < line_num)	//focus next option
-			{
-				focus_option = line_num - focus_option;
-				screen_focus += focus_option;
-				if(screen_focus > SUBMENU_ROW_NUM)	//Reach max row numbers can display
-					screen_focus = SUBMENU_ROW_NUM;
-
-				current_menu -> screen_focus = screen_focus;
-				focus_option = line_num;
-			}
-			else if(focus_option > line_num)	//focus last option
-			{
-				focus_option = focus_option - line_num;
-				if(screen_focus > focus_option)
-					screen_focus -= focus_option;
-				else
-					screen_focus = 0;
-
-				if(screen_focus == 0 && line_num > 0)
-					screen_focus = 1;
-
-				current_menu -> screen_focus = screen_focus;
-				focus_option = line_num;
-			}
-			current_menu -> focus_option = focus_option;
-
-			i = focus_option - screen_focus;
-			display_option += i +1;
-
-			line_num = current_menu->num_options-1;
-			if(line_num > SUBMENU_ROW_NUM)
-				line_num = SUBMENU_ROW_NUM;
-
-			if(focus_option == 0)
-				show_icon(down_screen_addr, &ICON_BACK, BACK_BUTTON_X, BACK_BUTTON_Y);
-			else
-				show_icon(down_screen_addr, &ICON_NBACK, BACK_BUTTON_X, BACK_BUTTON_Y);
-
-			for(i= 0; i < line_num; i++, display_option++)
-    	    {
-    	        unsigned short color;
-
-				if(display_option == current_option)
-					show_icon(down_screen_addr, &ICON_SUBSELA, SUBSELA_X, GUI_ROW1_Y + i * GUI_ROW_SY + SUBSELA_OFFSET_Y);
-
-				if(display_option->passive_function)
-				{
-					display_option->line_number = i;
-					display_option->passive_function();
-				}
-				else if(display_option->option_type & NUMBER_SELECTION_TYPE)
-				{
-					sprintf(line_buffer, *(display_option->display_string),
-						*(display_option->current_option));
-				}
-				else if(display_option->option_type & STRING_SELECTION_TYPE)
-				{
-					sprintf(line_buffer, *(display_option->display_string),
-						*((u32*)(((u32 *)display_option->options)[*(display_option->current_option)])));
-				}
-				else
-				{
-					strcpy(line_buffer, *(display_option->display_string));
-				}
-
-				if(display_option->passive_function == NULL)
-				{
-					if(display_option == current_option)
-						color= COLOR_ACTIVE_ITEM;
-					else
-						color= COLOR_INACTIVE_ITEM;
-
-					PRINT_STRING_BG(down_screen_addr, line_buffer, color, COLOR_TRANS, OPTION_TEXT_X, GUI_ROW1_Y + i * GUI_ROW_SY + TEXT_OFFSET_Y);
-				}
-    	    }
-    	}
-
-	mdelay(20); // to prevent the DSTwo-DS link from being too clogged
-	            // to return button statuses
-
-		struct key_buf inputdata;
-		gui_action = get_gui_input();
-
-		switch(gui_action)
-		{
-			case CURSOR_TOUCH:
-				ds2_getrawInput(&inputdata);
-				wait_Allkey_release(0);
-				/* Back button at the top of every menu but the main one */
-				if(current_menu != &main_menu && inputdata.x >= BACK_BUTTON_X && inputdata.y < BACK_BUTTON_Y + ICON_BACK.y)
-				{
-					choose_menu(current_menu->options->sub_menu);
-					break;
-				}
-				/* Main menu */
-				if(current_menu == &main_menu)
-				{
-					// 0     86    172   256
-					//  _____ _____ _____  0
-					// |0VID_|1SAV_|2CHT_| 80
-					// |3TLS_|4OPT_|5EXI_| 160
-					// |6NEW_|7RET_|8RST_| 192
-
-					current_option_num = (inputdata.y / 80) * 3 + (inputdata.x / 86);
-					current_option = current_menu->options + current_option_num;
-
-					if(current_option -> option_type & HIDEN_TYPE)
-						break;
-					else if(current_option->option_type & ACTION_TYPE)
-						current_option->action_function();
-					else if(current_option->option_type & SUBMENU_TYPE)
-						choose_menu(current_option->sub_menu);
-				}
-				/* This is the majority case, covering all menus except save states (and deletion thereof) */
-				else if(current_menu != (main_menu.options + 1)->sub_menu
-				&& current_menu != ((main_menu.options +1)->sub_menu->options + 3)->sub_menu)
-				{
-					if (inputdata.y < GUI_ROW1_Y || inputdata.y >= GUI_ROW1_Y + SUBMENU_ROW_NUM * GUI_ROW_SY)
-						break;
-					// ___ 33        This screen has 6 possible rows. Touches
-					// ___ 60        above or below these are ignored.
-					// . . . (+27)   The row between 33 and 60 is [1], though!
-					// ___ 192
-					u32 next_option_num = (inputdata.y - GUI_ROW1_Y) / GUI_ROW_SY + 1;
-					struct _MENU_OPTION_TYPE *next_option = current_menu->options + next_option_num;
-
-					if (next_option_num >= current_menu->num_options)
-						break;
-
-					if(!next_option)
-						break;
-
-					if(next_option -> option_type & HIDEN_TYPE)
-						break;
-
-					current_option_num = next_option_num;
-					current_option = current_menu->options + current_option_num;
-
-					if(current_option->option_type & (NUMBER_SELECTION_TYPE | STRING_SELECTION_TYPE))
-					{
-						gui_action = CURSOR_RIGHT;
-						u32 current_option_val = *(current_option->current_option);
-
-						if(current_option_val <  current_option->num_options -1)
-							current_option_val++;
-						else
-							current_option_val= 0;
-						*(current_option->current_option) = current_option_val;
-
-						if(current_option->action_function)
-							current_option->action_function();
-					}
-					else if(current_option->option_type & ACTION_TYPE)
-						current_option->action_function();
-					else if(current_menu->key_function)
-					{
-						gui_action = CURSOR_RIGHT;
-						current_menu->key_function();
-					}
-					else if(current_option->option_type & SUBMENU_TYPE)
-						choose_menu(current_option->sub_menu);
-				}
-				/* Save states */
-				else if(current_menu == (main_menu.options + 1)->sub_menu)
-				{
-					u32 next_option_num;
-					if(inputdata.y < GUI_ROW1_Y + 1 * GUI_ROW_SY)
-						break; // "Create saved state"
-					else if(inputdata.y < GUI_ROW1_Y + 2 * GUI_ROW_SY) // Save cell
-						next_option_num = 1;
-					else if(inputdata.y < GUI_ROW1_Y + 3 * GUI_ROW_SY)
-						break; // "Load saved state"
-					else if(inputdata.y < GUI_ROW1_Y + 4 * GUI_ROW_SY) // Load cell
-						next_option_num = 2;
-					else if(inputdata.y < GUI_ROW1_Y + 5 * GUI_ROW_SY) // Del...
-						next_option_num = 3;
-					else
-						break;
-
-					struct _MENU_OPTION_TYPE *next_option = current_menu->options + next_option_num;
-
-					if(next_option_num == 1 /* write */ || next_option_num == 2 /* read */)
-					{
-						u32 current_option_val = *(next_option->current_option);
-						u32 old_option_val = current_option_val;
-
-						// This row has SAVE_STATE_SLOT_NUM cells for save states, each ICON_STATEFULL.x pixels wide.
-						// The left side of a square is at SavedStateSquareX(slot).
-						bool8 found_state = FALSE;
-						int i;
-						for (i = 0; i < SAVE_STATE_SLOT_NUM; i++)
-						{
-							uint8 StartX = SavedStateSquareX (i);
-							if (inputdata.x >= StartX && inputdata.x < StartX + ICON_STATEFULL.x)
-							{
-								current_option_val = i;
-								found_state = TRUE;
-								break;
-							}
-						}
-						if(!found_state)
-							break;
-
-						current_option_num = next_option_num;
-						current_option = next_option;
-
-						*(current_option->current_option) = current_option_val;
-
-						if(current_option_val == old_option_val)
-						{
-							gui_action = CURSOR_SELECT;
-							if(current_option->option_type & ACTION_TYPE)
-								current_option->action_function();
-							else if(current_option->option_type & SUBMENU_TYPE)
-								choose_menu(current_option->sub_menu);
-						}
-						else
-						{
-							// Initial selection of a saved state
-							// needs to show its screenshot
-							if(current_option->option_type & ACTION_TYPE)
-								current_option->action_function();
-						}
-						break;
-					}
-
-					gui_action = CURSOR_SELECT;
-					if(next_option -> option_type & HIDEN_TYPE)
-						break;
-
-					current_option_num = next_option_num;
-					current_option = next_option;
-
-					if(current_option->option_type & ACTION_TYPE)
-						current_option->action_function();
-					else if(current_option->option_type & SUBMENU_TYPE)
-						choose_menu(current_option->sub_menu);
-				}
-				/* Delete state sub menu */
-				else if(current_menu == ((main_menu.options + 1)->sub_menu->options + 3)->sub_menu)
-				{
-					u32 next_option_num;
-					if(inputdata.y < GUI_ROW1_Y + 1 * GUI_ROW_SY)
-						break;
-					else if(inputdata.y < GUI_ROW1_Y + 2 * GUI_ROW_SY)
-						next_option_num = 1;
-					else if(inputdata.y < GUI_ROW1_Y + 3 * GUI_ROW_SY)
-						next_option_num = 2;
-					else
-						break;
-
-					struct _MENU_OPTION_TYPE *next_option = current_menu->options + next_option_num;
-
-					if(next_option_num == 1)
-					{
-						u32 current_option_val = *(next_option->current_option);
-						u32 old_option_val = current_option_val;
-
-						// This row has SAVE_STATE_SLOT_NUM cells for save states, each ICON_STATEFULL.x pixels wide.
-						// The left side of a square is at SavedStateSquareX(slot).
-						bool8 found_state = FALSE;
-						int i;
-						for (i = 0; i < SAVE_STATE_SLOT_NUM; i++)
-						{
-							uint8 StartX = SavedStateSquareX (i);
-							if (inputdata.x >= StartX && inputdata.x < StartX + ICON_STATEFULL.x)
-							{
-								current_option_val = i;
-								found_state = TRUE;
-								break;
-							}
-						}
-						if(!found_state)
-							break;
-
-						current_option_num = next_option_num;
-						current_option = next_option;
-
-						*(current_option->current_option) = current_option_val;
-
-						if(current_option_val == old_option_val)
-						{
-							gui_action = CURSOR_SELECT;
-							if(current_option->option_type & ACTION_TYPE)
-								current_option->action_function();
-							else if(current_option->option_type & SUBMENU_TYPE)
-								choose_menu(current_option->sub_menu);
-						}
-						break;
-					}
-
-					gui_action = CURSOR_SELECT;
-					if(next_option -> option_type & HIDEN_TYPE)
-						break;
-
-					current_option_num = next_option_num;
-					current_option = next_option;
-
-					if(current_option->option_type & ACTION_TYPE)
-						current_option->action_function();
-					else if(current_option->option_type & SUBMENU_TYPE)
-						choose_menu(current_option->sub_menu);
-				}
-				break;
-			case CURSOR_DOWN:
-				if(current_menu->key_function)
-					current_menu->key_function();
-				else
-				{
-					current_option_num = (current_option_num + 1) % current_menu->num_options;
-					current_option = current_menu->options + current_option_num;
-
-					while(current_option -> option_type & HIDEN_TYPE)
-					{
-						current_option_num = (current_option_num + 1) % current_menu->num_options;
-						current_option = current_menu->options + current_option_num;
-					}
-				}
-				break;
-
-			case CURSOR_UP:
-				if(current_menu->key_function)
-					current_menu->key_function();
-				else
-				{
-					if(current_option_num)
-						current_option_num--;
-					else
-						current_option_num = current_menu->num_options - 1;
-					current_option = current_menu->options + current_option_num;
-
-					while(current_option -> option_type & HIDEN_TYPE)
-					{
-						if(current_option_num)
-							current_option_num--;
-						else
-							current_option_num = current_menu->num_options - 1;
-						current_option = current_menu->options + current_option_num;
-					}
-				}
-				break;
-
-			case CURSOR_RIGHT:
-				if(current_menu->key_function)
-					current_menu->key_function();
-				else
-				{
-					if(current_option->option_type & (NUMBER_SELECTION_TYPE | STRING_SELECTION_TYPE))
-					{
-						u32 current_option_val = *(current_option->current_option);
-
-						if(current_option_val <  current_option->num_options -1)
-							current_option_val++;
-						else
-							current_option_val= 0;
-						*(current_option->current_option) = current_option_val;
-
-						if(current_option->action_function)
-							current_option->action_function();
-					}
-				}
-				break;
-
-			case CURSOR_LEFT:
-				if(current_menu->key_function)
-					current_menu->key_function();
-				else
-				{
-					if(current_option->option_type & (NUMBER_SELECTION_TYPE | STRING_SELECTION_TYPE))
-					{
-						u32 current_option_val = *(current_option->current_option);
-
-						if(current_option_val)
-							current_option_val--;
-						else
-							current_option_val = current_option->num_options - 1;
-						*(current_option->current_option) = current_option_val;
-
-						if(current_option->action_function)
-							current_option->action_function();
-					}
-				}
-				break;
-
-			case CURSOR_EXIT:
-				wait_Allkey_release(0);
-				break;
-
-			case CURSOR_SELECT:
-				wait_Allkey_release(0);
-				if(current_option->option_type & ACTION_TYPE)
-					current_option->action_function();
-				else if(current_option->option_type & SUBMENU_TYPE)
-					choose_menu(current_option->sub_menu);
-				break;
-
-			case CURSOR_BACK:
-				wait_Allkey_release(0);
-				if(current_menu != &main_menu)
-					choose_menu(current_menu->options->sub_menu);
-				else
-					menu_return();
-				break;
-
-			default:
-				break;
-		} // end swith
-
-		ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-	} // end while
-
-	if (current_menu && current_menu->end_function)
-		current_menu->end_function();
-	SaveConfigsIfNeeded();
-
-	if(bg_screenp != NULL) free((void*)bg_screenp);
-
-	void* screen_addr;
-	SCREEN_ID screen_num;
-	if (emu_config.BottomScreenGame)
-	{
-		screen_addr = down_screen_addr;
-		screen_num = DOWN_SCREEN;
-		ds2_clearScreen(UP_SCREEN, 0);
-		ds2_flipScreen(UP_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-	}
-	else
-	{
-		screen_addr = up_screen_addr;
-		screen_num = UP_SCREEN;
-		ds2_clearScreen(DOWN_SCREEN, 0);
-		ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-	}
-
-	copy_screen(screen_addr, (void*) screen, 0, 0, 256, 192);
-	ds2_flipScreen(screen_num, UP_SCREEN_UPDATE_METHOD);
-	copy_screen(screen_addr, (void*) screen, 0, 0, 256, 192);
-	ds2_flipScreen(screen_num, UP_SCREEN_UPDATE_METHOD);
-	wait_Allkey_release(0);
-
-	mdelay(100); // to prevent ds2_setBacklight() from crashing
-	ds2_setBacklight(3 - screen_num);
-
-	GameFrequencyCPU();
-
-	return return_value;
-}
-
-/*--------------------------------------------------------
-	Initialize default path
---------------------------------------------------------*/
-void initial_path_config(void)
-{
-    //Initial directory path
-    sprintf(g_default_rom_dir, "%s/gamepak", main_path);
-    sprintf(DEFAULT_RTS_DIR, "%s/gamerts", main_path);
-    sprintf(DEFAULT_CFG_DIR, "%s/gamerts", main_path);
-    sprintf(DEFAULT_SS_DIR, "%s/gamepic", main_path);
-    sprintf(DEFAULT_CHEAT_DIR, "%s/gamecht", main_path);
-}
-
-/*--------------------------------------------------------
-	Load language message
---------------------------------------------------------*/
-int load_language_msg(char *filename, u32 language)
-{
-	FILE *fp;
-	char msg_path[MAX_PATH];
-	char string[256];
-	char start[32];
-	char end[32];
-	char *pt, *dst;
-	u32 loop, offset, len;
-	int ret;
-
-	sprintf(msg_path, "%s/%s", main_path, filename);
-	fp = fopen(msg_path, "rb");
-	if(fp == NULL)
-	return -1;
-
-	switch(language)
-	{
-	case ENGLISH:
-	default:
-		strcpy(start, "STARTENGLISH");
-		strcpy(end, "ENDENGLISH");
-		break;
-	case CHINESE_SIMPLIFIED:
-		strcpy(start, "STARTCHINESESIM");
-		strcpy(end, "ENDCHINESESIM");
-		break;
-	case FRENCH:
-		strcpy(start, "STARTFRENCH");
-		strcpy(end, "ENDFRENCH");
-		break;
-	case GERMAN:
-		strcpy(start, "STARTGERMAN");
-		strcpy(end, "ENDGERMAN");
-		break;
-	case DUTCH:
-		strcpy(start, "STARTDUTCH");
-		strcpy(end, "ENDDUTCH");
-		break;
-	case SPANISH:
-		strcpy(start, "STARTSPANISH");
-		strcpy(end, "ENDSPANISH");
-		break;
-	case ITALIAN:
-		strcpy(start, "STARTITALIAN");
-		strcpy(end, "ENDITALIAN");
-		break;
-	case PORTUGUESE_BRAZILIAN:
-		strcpy(start, "STARTPORTUGUESEBR");
-		strcpy(end, "ENDPORTUGUESEBR");
-		break;
-	}
-	u32 cmplen = strlen(start);
-
-	//find the start flag
-	ret= 0;
-	while(1)
-	{
-		pt= fgets(string, 256, fp);
-		if(pt == NULL)
-		{
-			ret= -2;
-			goto load_language_msg_error;
-		}
-
-		if(!strncmp(pt, start, cmplen))
-			break;
-	}
-
-	loop= 0;
-	offset= 0;
-	dst= msg_data;
-	msg[0]= dst;
-
-	while(loop != MSG_END)
-	{
-		while(1)
-		{
-			pt = fgets(string, 256, fp);
-			if(pt[0] == '#' || pt[0] == '\r' || pt[0] == '\n')
-				continue;
-			if(pt != NULL)
-				break;
-			else
-			{
-				ret = -3;
-				goto load_language_msg_error;
-			}
-		}
-
-		if(!strncmp(pt, end, cmplen-2))
-			break;
-
-		len= strlen(pt);
-		// memcpy(dst, pt, len);
-
-		// Replace key definitions (*letter) with Pictochat icons
-		// while copying.
-		unsigned int srcChar, dstLen = 0;
-		for (srcChar = 0; srcChar < len; srcChar++)
-		{
-			if (pt[srcChar] == '*')
-			{
-				switch (pt[srcChar + 1])
-				{
-				case 'A':
-					memcpy(&dst[dstLen], HOTKEY_A_DISPLAY, sizeof (HOTKEY_A_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_A_DISPLAY) - 1;
-					break;
-				case 'B':
-					memcpy(&dst[dstLen], HOTKEY_B_DISPLAY, sizeof (HOTKEY_B_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_B_DISPLAY) - 1;
-					break;
-				case 'X':
-					memcpy(&dst[dstLen], HOTKEY_X_DISPLAY, sizeof (HOTKEY_X_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_X_DISPLAY) - 1;
-					break;
-				case 'Y':
-					memcpy(&dst[dstLen], HOTKEY_Y_DISPLAY, sizeof (HOTKEY_Y_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_Y_DISPLAY) - 1;
-					break;
-				case 'L':
-					memcpy(&dst[dstLen], HOTKEY_L_DISPLAY, sizeof (HOTKEY_L_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_L_DISPLAY) - 1;
-					break;
-				case 'R':
-					memcpy(&dst[dstLen], HOTKEY_R_DISPLAY, sizeof (HOTKEY_R_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_R_DISPLAY) - 1;
-					break;
-				case 'S':
-					memcpy(&dst[dstLen], HOTKEY_START_DISPLAY, sizeof (HOTKEY_START_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_START_DISPLAY) - 1;
-					break;
-				case 's':
-					memcpy(&dst[dstLen], HOTKEY_SELECT_DISPLAY, sizeof (HOTKEY_SELECT_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_SELECT_DISPLAY) - 1;
-					break;
-				case 'u':
-					memcpy(&dst[dstLen], HOTKEY_UP_DISPLAY, sizeof (HOTKEY_UP_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_UP_DISPLAY) - 1;
-					break;
-				case 'd':
-					memcpy(&dst[dstLen], HOTKEY_DOWN_DISPLAY, sizeof (HOTKEY_DOWN_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_DOWN_DISPLAY) - 1;
-					break;
-				case 'l':
-					memcpy(&dst[dstLen], HOTKEY_LEFT_DISPLAY, sizeof (HOTKEY_LEFT_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_LEFT_DISPLAY) - 1;
-					break;
-				case 'r':
-					memcpy(&dst[dstLen], HOTKEY_RIGHT_DISPLAY, sizeof (HOTKEY_RIGHT_DISPLAY) - 1);
-					srcChar++;
-					dstLen += sizeof (HOTKEY_RIGHT_DISPLAY) - 1;
-					break;
-				case '\0':
-					dst[dstLen] = pt[srcChar];
-					dstLen++;
-					break;
-				default:
-					memcpy(&dst[dstLen], &pt[srcChar], 2);
-					srcChar++;
-					dstLen += 2;
-					break;
-				}
-			}
-			else
-			{
-				dst[dstLen] = pt[srcChar];
-				dstLen++;
-			}
-		}
-
-		dst += dstLen;
-		//at a line return, when "\n" paded, this message not end
-		if(*(dst-1) == 0x0A)
-		{
-			pt = strrchr(pt, '\\');
-			if((pt != NULL) && (*(pt+1) == 'n'))
-			{
-				if(*(dst-2) == 0x0D)
-				{
-					*(dst-4)= '\n';
-					dst -= 3;
-				}
-				else
-				{
-					*(dst-3)= '\n';
-					dst -= 2;
-				}
-			}
-			else//a message end
-			{
-				if(*(dst-2) == 0x0D)
-					dst -= 1;
-				*(dst-1) = '\0';
-				msg[++loop] = dst;
-			}
-		}
-	}
-
-	#if 0
-	loop= 0;
-	printf("------\n");
-	while(loop != MSG_END)
-	printf("%d: %s\n",loop, msg[loop++]);
-	#endif
-
-load_language_msg_error:
-	fclose(fp);
-	return ret;
-}
-
-/*--------------------------------------------------------
---------------------------------------------------------*/
-
-
-/*--------------------------------------------------------
-	Load font library
---------------------------------------------------------*/
-u32 load_font()
-{
-    return (u32)BDF_font_init();
-}
-
-/*--------------------------------------------------------
-	Game configure initialize
---------------------------------------------------------*/
-void init_game_config(void)
-{
-	game_config.clock_speed_number = 5;	// 396 MHz by default
-	game_config.graphic = 3; // By default, have a good-looking aspect ratio
-	game_config.frameskip_value = 0; // Automatic frame skipping
-	game_config.SoundSync = 0; // Prefer fluid images by default
-	game_config.RetroSound = 0; // Correct sound by default (else 8-bit)
-
-	game_config.backward = 0;	//time backward disable
-	game_config.backward_time = 2;	//time backward granularity 1s
-
-	savestate_index= 0;
-}
-
-/*--------------------------------------------------------
-	Emulator configure initialize
---------------------------------------------------------*/
-void init_emulator_config(void)
-{
-	emu_config.language = 0;     //defalut language= English
-
-	emu_config.rom_file[0]= 0;
-	emu_config.rom_path[0]= 0;
-	memset(emu_config.latest_file, 0, sizeof(emu_config.latest_file));
-
-	gamepak_name[0] = '\0';
-}
-
-/*--------------------------------------------------------
-	Load game configure file
---------------------------------------------------------*/
-void load_game_config_file(void)
-{
-	char game_config_filename[MAX_PATH];
-	FILE* fp;
-	char *pt;
-
-	//Set default
-	init_game_config();
-
-	sprintf(game_config_filename, "%s/%s", DEFAULT_CFG_DIR, gamepak_name);
-	pt= strrchr(game_config_filename, '.');
-	if(NULL == pt)
-		goto finalise;
-	*pt= 0;
-	strcat(game_config_filename, "_0.rts");
-
-	fp = fopen(game_config_filename, "r");
-	if(NULL == fp)
-		goto finalise;
-
-	//Check file header
-	pt= game_config_filename;
-	fread(pt, 1, GAME_CONFIG_HEADER_SIZE, fp);
-
-	if (!strncmp(pt, GAME_CONFIG_HEADER, GAME_CONFIG_HEADER_SIZE))
-	{
-		fread(&game_config, 1, sizeof(GAME_CONFIG), fp);
-	}
-
-	fclose(fp);
-
-finalise: ;
-	game_set_frameskip();
-	game_set_fluidity();
-	game_set_retro();
-}
-
-/*--------------------------------------------------------
-	Load emulator configure file
---------------------------------------------------------*/
-int load_emu_config_file(void)
-{
-	char tmp_path[MAX_PATH];
-	FILE* fp;
-	char *pt;
-
-	sprintf(tmp_path, "%s/%s", main_path, EMU_CONFIG_FILENAME);
-
-	fp = fopen(tmp_path, "r");
-	if(NULL != fp)
-	{
-		// check the file header
-		pt= tmp_path;
-		fread(pt, 1, EMU_CONFIG_HEADER_SIZE, fp);
-		pt[EMU_CONFIG_HEADER_SIZE]= 0;
-		if(!strcmp(pt, EMU_CONFIG_HEADER))
-		{
-			memset(&emu_config, 0, sizeof(emu_config));
-			fread(&emu_config, 1, sizeof(emu_config), fp);
-			fclose(fp);
-			return 0;
-		}
-		else
-		{
-			fclose(fp);
-		}
-	}
-
-	//have no confiure file, set default
-	init_emulator_config();
-    return -1;
-}
-
-/*--------------------------------------------------------
-	Save game configure file
---------------------------------------------------------*/
-int save_game_config_file(void)
-{
-    char game_config_filename[MAX_PATH];
-    FILE* fp;
-    char *pt;
-
-    if(gamepak_name[0] == 0) return -1;
-
-    sprintf(game_config_filename, "%s/%s", DEFAULT_CFG_DIR, gamepak_name);
-    pt = strrchr(game_config_filename, '.');
-	if(NULL == pt)
-		return -1;
-
-    *pt = '\0';
-    strcat(pt, "_0.rts");
-
-	fp = fopen(game_config_filename, "w");
-	if(NULL != fp)
-    {
-		fwrite(GAME_CONFIG_HEADER, 1, GAME_CONFIG_HEADER_SIZE, fp);
-		fwrite(&game_config, 1, sizeof(game_config), fp);
-		fclose(fp);
-        return 0;
-    }
-
-    return -1;
-}
-
-/*--------------------------------------------------------
-	Save emulator confiure file
---------------------------------------------------------*/
-int save_emu_config_file()
-{
-    char tmp_path[MAX_PATH];
-	FILE* fp;
-
-    sprintf(tmp_path, "%s/%s", main_path, EMU_CONFIG_FILENAME);
-	fp = fopen(tmp_path, "w");
-	if(NULL != fp)
-    {
-		fwrite(EMU_CONFIG_HEADER, 1, EMU_CONFIG_HEADER_SIZE, fp);
-		fwrite(&emu_config, 1, sizeof(emu_config), fp);
-		fclose(fp);
-        return 0;
-    }
-
-    return -1;
-}
-
-/*--------------------------------------------------------
-	Reorder latest player game recorder
---------------------------------------------------------*/
-void reorder_latest_file(void)
-{
-	s32 i, FoundIndex = -1;
-
-	if(gamepak_name[0] == '\0')
-		return;
- 
-	// Is the file's name already here?
-	for (i = 0; i < 5; i++)
-	{
-		char* RecentFileName = strrchr(emu_config.latest_file[i], '/');
-		if (RecentFileName)
-		{
-			if (strcasecmp(RecentFileName + 1, gamepak_name) == 0)
-			{
-				FoundIndex = i; // Yes.
-				break;
-			}
-		}
-	}
- 
-	if (FoundIndex > -1)
-	{
-		// Already here, move all of those until the existing one 1 down
-		memmove(emu_config.latest_file[1],
-			emu_config.latest_file[0],
-			FoundIndex * sizeof(emu_config.latest_file[0]));
-	}
-	else
-	{
-		// Not here, move everything down
-		memmove(emu_config.latest_file[1],
-			emu_config.latest_file[0],
-			4 * sizeof(emu_config.latest_file[0]));
-	}
- 
-	//Removing rom_path due to confusion, replacing with g_default_rom_dir
-	sprintf(emu_config.latest_file[0], "%s/%s", g_default_rom_dir, gamepak_name);
-}
-
-/*--------------------------------------------------------
-	Save state related
---------------------------------------------------------*/
-static int rtc_time_cmp(struct rtc *t1, struct rtc *t2)
-{
-    int result;
-
-    result= (int)((unsigned int)(t1 -> year) - (unsigned int)(t2 -> year));
-    if(result != 0)
-        return result;
-    result= (int)((unsigned int)(t1 -> month) - (unsigned int)(t2 -> month));
-    if(result != 0)
-        return result;
-    result= (int)((unsigned int)(t1 -> day) - (unsigned int)(t2 -> day));
-    if(result != 0)
-        return result;
-    result= (int)((unsigned int)(t1 -> weekday) - (unsigned int)(t2 -> weekday));
-    if(result != 0)
-        return result;
-    result= (int)((unsigned int)(t1 -> hours) - (unsigned int)(t2 -> hours));
-    if(result != 0)
-        return result;
-    result= (int)((unsigned int)(t1 -> minutes) - (unsigned int)(t2 -> minutes));
-    if(result != 0)
-        return result;
-    result= (int)((unsigned int)(t1 -> seconds) - (unsigned int)(t2 -> seconds));
-//    if(result != 0)
-	return result;
-}
-
-static void get_savestate_filelist(void)
-{
-	int i;
-	char savestate_path[MAX_PATH];
-	char postdrix[8];
-	char *pt;
-	FILE *fp;
-	unsigned int n, m;
-	// Which is the latest?
-	/* global */ latest_save = -1;
-	struct rtc latest_save_time, current_time;
-	memset(&latest_save_time, 0, sizeof (struct rtc));
-
-	sprintf(savestate_path, "%s/%s", DEFAULT_RTS_DIR, gamepak_name);
-	pt= strrchr(savestate_path, '.');
-	for(i= 0; i < SAVE_STATE_SLOT_NUM; i++)
-	{
-		sprintf(postdrix, "_%d.rts", i+1);
-		strcpy(pt, postdrix);
-
-		fp= fopen(savestate_path, "r");
-		if (fp != NULL)
-		{
-			SavedStateExistenceCache [i] = TRUE;
-			m = fread((void*)&n, 1, 4, fp);
-			if(m < 4) {
-				fclose(fp);
-				continue;
-			}
-
-			fseek(fp, n, SEEK_SET);
-			/* Read back the time stamp */
-			fread((char*)&current_time, 1, sizeof(struct rtc), fp);
-			if (rtc_time_cmp (&current_time, &latest_save_time) > 0)
-			{
-				latest_save = i;
-				latest_save_time = current_time;
-			}
-			fclose(fp);
-		}
-		else
-			SavedStateExistenceCache [i] = FALSE;
-
-		SavedStateExistenceCached [i] = TRUE;
-	}
-
-	if(latest_save < 0)
-		savestate_index = 0;
-	else
-		savestate_index = latest_save;
-}
-
-static void get_savestate_filename(u32 slot, char *name_buffer)
-{
-	char savestate_ext[16];
-	char *pt;
-
-	sprintf(savestate_ext, "_%d.rts", slot+1);
-	pt = strrchr(gamepak_name, '/');
-	if(NULL == pt)
-		pt = gamepak_name;
-	else
-		pt += 1;
-
-	change_ext(pt, name_buffer, savestate_ext);
-}
-
-uint8 SavedStateSquareX (u32 slot)
-{
-	return (SCREEN_WIDTH * (slot + 1) / (SAVE_STATE_SLOT_NUM + 1))
-		- ICON_STATEFULL.x / 2;
-}
-
-bool8 SavedStateFileExists (u32 slot)
-{
-	if (SavedStateExistenceCached [slot])
-		return SavedStateExistenceCache [slot];
-
-	char BaseName [_MAX_PATH + 1];
-	char FullName [_MAX_PATH + 1];
-	get_savestate_filename(slot, BaseName);
-	sprintf(FullName, "%s/%s", DEFAULT_RTS_DIR, BaseName);
-	FILE *SavedStateFile = fopen(FullName, "r");
-	bool8 Result = SavedStateFile != NULL;
-	if (Result)
-	{
-		fclose(SavedStateFile);
-	}
-	SavedStateExistenceCache [slot] = Result;
-	SavedStateExistenceCached [slot] = TRUE;
-	return Result;
-}
-
-void SavedStateCacheInvalidate (void)
-{
-	int i;
-	for (i = 0; i < SAVE_STATE_SLOT_NUM; i++)
-		SavedStateExistenceCached [i] = FALSE;
-}
-
-void QuickLoadState (void)
-{
-	char BaseName[MAX_PATH + 1];
-	get_savestate_filename(0, BaseName);
-	SCREEN_ID screen_num = emu_config.BottomScreenGame
-		? DOWN_SCREEN
-		: UP_SCREEN;
-
-	mdelay(100); // needed to avoid ds2_setBacklight crashing
-	ds2_setBacklight((3 - DOWN_SCREEN) | (3 - screen_num));
-
-	ds2_clearScreen(DOWN_SCREEN, RGB15(0, 0, 0));
-	draw_message(down_screen_addr, NULL, 28, 31, 227, 165, 0);
-	draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_LOADING]);
-	ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-	HighFrequencyCPU();
-	int flag = load_state(BaseName);
-	GameFrequencyCPU();
-	if(0 != flag)
-	{
-		draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_LOAD_FAILED]);
-		mdelay(500); // let the failure show
-	}
-
-	SavedStateCacheInvalidate ();
-
-	ds2_clearScreen(DOWN_SCREEN, RGB15(0, 0, 0));
-	ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-	mdelay(100); // needed to avoid ds2_setBacklight crashing
-	ds2_setBacklight(3 - screen_num);
-}
-
-void QuickSaveState (void)
-{
-	char BaseName[MAX_PATH + 1];
-	get_savestate_filename(0, BaseName);
-	void* screen_addr = emu_config.BottomScreenGame
-		? down_screen_addr
-		: up_screen_addr;
-	SCREEN_ID screen_num = emu_config.BottomScreenGame
-		? DOWN_SCREEN
-		: UP_SCREEN;
-
-	S9xDeinitUpdate(256, 224, TRUE);
-	unsigned short screen[256*192];
-	copy_screen((void*)screen, screen_addr, 0, 0, 256, 192);
-
-	mdelay(100); // needed to avoid ds2_setBacklight crashing
-	ds2_setBacklight((3 - DOWN_SCREEN) | (3 - screen_num));
-
-	ds2_clearScreen(DOWN_SCREEN, RGB15(0, 0, 0));
-	draw_message(down_screen_addr, NULL, 28, 31, 227, 165, 0);
-	draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_CREATING]);
-	ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-	HighFrequencyCPU();
-	int flag = save_state(BaseName, screen);
-	GameFrequencyCPU();
-	if(flag < 0)
-	{
-		draw_string_vcenter(down_screen_addr, MESSAGE_BOX_TEXT_X, MESSAGE_BOX_TEXT_Y, MESSAGE_BOX_TEXT_SX, COLOR_MSSG, msg[MSG_PROGRESS_SAVED_STATE_CREATION_FAILED]);
-		mdelay(500); // let the failure show
-	}
-
-	SavedStateCacheInvalidate ();
-
-	ds2_clearScreen(DOWN_SCREEN, RGB15(0, 0, 0));
-	ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-	mdelay(100); // needed to avoid ds2_setBacklight crashing
-	ds2_setBacklight(3 - screen_num);
-}
-
-void ToggleFullScreen (void)
-{
-	if (game_config.graphic == 0 /* full-screen ugly */
-	 || game_config.graphic == 4 /* full-screen smoothed */)
-		game_config.graphic = 3 /* middle of the screen */;
-	else
-		game_config.graphic = 4 /* full-screen smoothed */;
-	save_game_config_file();
-}
-
-void get_newest_savestate(char *name_buffer)
-{
-    if (latest_save < 0)
-    {
-        name_buffer[0]= '\0';
-        return;
-    }
-
-    get_savestate_filename(latest_save, name_buffer);
-}
-
-static void get_timestamp_string(char *buffer, u16 msg_id, u16 year, u16 mon,
-    u16 day, u16 wday, u16 hour, u16 min, u16 sec, u32 msec)
-{
-    char *weekday_strings[] =
-    {
-        "SUN", "MON", "TUE", "WED", "TUR", "FRI", "SAT"
-    };
-
-    sprintf(buffer, "%s %02d/%02d/%04d %02d:%02d:%02d", weekday_strings[wday],
-        day, mon, year, hour, min, sec);
-}
-
-static u32 save_ss_bmp(u16 *image)
-{
-    static unsigned char header[] ={ 'B',  'M',  0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x00,
-                                    0x28, 0x00, 0x00, 0x00,  0, 0x01, 0x00,
-                                    0x00,  192, 0x00, 0x00, 0x00, 0x01, 0x00,
-                                    0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x00, 0x00};
-
-    char ss_filename[MAX_FILE];
-    char save_ss_path[MAX_PATH];
-    struct rtc current_time;
-    char rgb_data[256*192*3];
-    unsigned int x,y;
-    unsigned short col;
-    unsigned char r,g,b;
-
-    change_ext(gamepak_name, ss_filename, "_");
-	ds2_getTime(&current_time);
-    sprintf(save_ss_path, "%s/%s%02d%02d%02d%02d%02d.bmp", DEFAULT_SS_DIR, ss_filename,
-    current_time.month, current_time.day, current_time.hours, current_time.minutes, current_time.seconds);
-
-    for(y = 0; y < 192; y++)
-    {
-        for(x = 0; x < 256; x++)
-        {
-            col = image[x + y * 256];
-            r = (col >> 10) & 0x1F;
-            g = (col >> 5) & 0x1F;
-            b = (col) & 0x1F;
-
-            rgb_data[(191-y)*256*3+x*3+2] = b << 3;
-            rgb_data[(191-y)*256*3+x*3+1] = g << 3;
-            rgb_data[(191-y)*256*3+x*3+0] = r << 3;
-        }
-    }
-
-    FILE *ss = fopen( save_ss_path, "wb" );
-    if( ss == NULL ) return 0;
-    fwrite( header, sizeof(header), 1, ss );
-    fwrite( rgb_data, 1, 256*192*3, ss);
-    fclose( ss );
-
-    return 1;
-}
-
-u32 save_menu_ss_bmp(u16 *image)
-{
-    static unsigned char header[] ={ 'B',  'M',  0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x00,
-                                    0x28, 0x00, 0x00, 0x00, 0x00,    1, 0x00, /* <00 01> == 256 */
-                                    0x00,  192, 0x00, 0x00, 0x00, 0x01, 0x00,
-                                    0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x00, 0x00};
-
-	char save_ss_path[MAX_PATH];
-	struct rtc current_time;
-	unsigned char rgb_data[NDS_SCREEN_WIDTH*NDS_SCREEN_HEIGHT*3];
-	int x,y;
-	unsigned short col;
-	unsigned char r,g,b;
-
-	ds2_getTime(&current_time);
-	sprintf(save_ss_path, "%s/%s%02d%02d%02d%02d%02d.bmp", DEFAULT_SS_DIR, "gui_",
-		current_time.month, current_time.day,
-		current_time.hours, current_time.minutes, current_time.seconds);
-
-	for(y = 0; y < NDS_SCREEN_HEIGHT; y++)
-	{
-		for(x = 0; x < NDS_SCREEN_WIDTH; x++)
-		{
-			col = image[y * NDS_SCREEN_WIDTH + x];
-			r = (col >> 10) & 0x1F;
-			g = (col >> 5) & 0x1F;
-			b = (col) & 0x1F;
-
-			rgb_data[(NDS_SCREEN_HEIGHT-y-1)*NDS_SCREEN_WIDTH*3+x*3+2] = b << 3;
-			rgb_data[(NDS_SCREEN_HEIGHT-y-1)*NDS_SCREEN_WIDTH*3+x*3+1] = g << 3;
-			rgb_data[(NDS_SCREEN_HEIGHT-y-1)*NDS_SCREEN_WIDTH*3+x*3+0] = r << 3;
-		}
-	}
-
-	FILE *ss = fopen( save_ss_path, "wb" );
-	if( ss == NULL ) return 0;
-	fwrite( header, sizeof(header), 1, ss );
-	fwrite( rgb_data, 1, sizeof(rgb_data), ss);
-	fclose( ss );
-
-	return 1;
-}
-
-void quit(void)
-{
-/*
-  u32 reg_ra;
-
-  __asm__ __volatile__("or %0, $0, $ra"
-                        : "=r" (reg_ra)
-                        :);
-
-  dbg_printf("return address= %08x\n", reg_ra);
-*/
-
-#ifdef USE_DEBUG
-	fclose(g_dbg_file);
-#endif
-
-	ds2_plug_exit();
-	while(1);
-}
-
-u32 file_length(FILE* file)
-{
-  u32 pos, size;
-  pos= ftell(file);
-  fseek(file, 0, SEEK_END);
-  size= ftell(file);
-  fseek(file, pos, SEEK_SET);
-
-  return size;
-}
-
-/*
-*	GUI Initialize
-*/
-static bool Get_Args(char *file, char **filebuf){
-  FILE* dat = fat_fopen(file, "rb");
-  if(dat){
-    int i = 0;
-    while(!fat_feof (dat)){
-      fat_fgets(filebuf[i], 512, dat);
-      int len = strlen(filebuf[i]);
-      if(filebuf[i][len - 1] == '\n')
-        filebuf[i][len - 1] = '\0';
-      i++;
-    }
-
-    fat_fclose(dat);
-    fat_remove(file);
-    return i;
-  }
-  return 0;
-}
-
-int CheckLoad_Arg(){
-  argv[0][0] = '\0';  // Initialise the first byte to be a NULL in case
-  argv[1][0] = '\0';  // there are no arguments to avoid uninit. memory
-  char *argarray[2];
-  argarray[0] = argv[0];
-  argarray[1] = argv[1];
-
-  if(!Get_Args("/plgargs.dat", argarray))
-    return 0;
-
-  fat_remove("plgargs.dat");
-  return 1;
-}
-
-void gui_init(u32 lang_id)
-{
-	int flag;
-
-	HighFrequencyCPU(); // Crank it up. When the menu starts, -> 0.
-
-	// Start with no saved state existing, as no game is loaded yet.
-	int i;
-	for (i = 0; i < SAVE_STATE_SLOT_NUM; i++)
-	{
-		SavedStateExistenceCached [i] = TRUE;
-		SavedStateExistenceCached [i] = FALSE;
-	}
-
-    //Find the "CATSFC" system directory
-    DIR *current_dir;
-
-    if(CheckLoad_Arg()){
-      //copy new folder location
-      strcpy(main_path, "fat:");
-      strcat(main_path, argv[0]);
-      //strip off the binary name
-      char *endStr = strrchr(main_path, '/');
-      *endStr = '\0';
-
-      //do a check to make sure the folder is a valid CATSFC folder
-      char tempPath[MAX_PATH];
-      strcpy(tempPath, main_path);
-      strcat(tempPath, "/system/gui");
-      DIR *testDir = opendir(tempPath);
-      if(!testDir)
-        //not a valid CATSFC install
-        strcpy(main_path, "fat:/CATSFC");
-      else //test was successful, do nothing
-        closedir(testDir);
-    }
-    else
-      strcpy(main_path, "fat:/CATSFC");
-
-    current_dir = opendir(main_path);
-    if(current_dir)
-        closedir(current_dir);
-    else
-    {
-        strcpy(main_path, "fat:/_SYSTEM/PLUGINS/CATSFC");
-        current_dir = opendir(main_path);
-        if(current_dir)
-            closedir(current_dir);
-        else
-        {
-            strcpy(main_path, "fat:");
-            if(search_dir("CATSFC", main_path) == 0)
-            {
-                printf("Found CATSFC directory\nDossier CATSFC trouve\n\n%s\n", main_path);
-            }
-            else
-            {
-				err_msg(DOWN_SCREEN, "/CATSFC: Directory missing\nPress any key to return to\nthe menu\n\n/CATSFC: Dossier manquant\nAppuyer sur une touche pour\nretourner au menu");
-                goto gui_init_err;
-            }
-        }
-    }
-
-	show_log(down_screen_addr);
-	ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-
-	flag = icon_init(lang_id);
-	if(0 != flag)
-	{
-		err_msg(DOWN_SCREEN, "Some icons are missing\nLoad them onto your card\nPress any key to return to\nthe menu\n\nDes icones sont manquantes\nChargez-les sur votre carte\nAppuyer sur une touche pour\nretourner au menu");
-		goto gui_init_err;
-	}
-
-	flag = color_init();
-	if(0 != flag)
-	{
-		char message[512];
-		sprintf(message, "SYSTEM/GUI/uicolors.txt\nis missing\nPress any key to return to\nthe menu\n\nSYSTEM/GUI/uicolors.txt\nest manquant\nAppuyer sur une touche pour\nretourner au menu");
-		err_msg(DOWN_SCREEN, message);
-		goto gui_init_err;
-	}
-
-	flag = load_font();
-	if(0 != flag)
-	{
-		char message[512];
-		sprintf(message, "Font library initialisation\nerror (%d)\nPress any key to return to\nthe menu\n\nErreur d'initalisation de la\npolice de caracteres (%d)\nAppuyer sur une touche pour\nretourner au menu", flag, flag);
-		err_msg(DOWN_SCREEN, message);
-		goto gui_init_err;
-	}
-
-	load_emu_config_file();
-	lang_id = emu_config.language;
-
-	flag = load_language_msg(LANGUAGE_PACK, lang_id);
-	if(0 != flag)
-	{
-		char message[512];
-		sprintf(message, "Language pack initialisation\nerror (%d)\nPress any key to return to\nthe menu\n\nErreur d'initalisation du\npack de langue (%d)\nAppuyer sur une touche pour\nretourner au menu", flag, flag);
-		err_msg(DOWN_SCREEN, message);
-		goto gui_init_err;
-	}
-
-	initial_path_config();
-
-	return;
-
-gui_init_err:
-	ds2_flipScreen(DOWN_SCREEN, DOWN_SCREEN_UPDATE_METHOD);
-	wait_Anykey_press(0);
-	quit();
-}
diff --git a/source/nds/gui.h b/source/nds/gui.h
deleted file mode 100644
index 92dc81d..0000000
--- a/source/nds/gui.h
+++ /dev/null
@@ -1,202 +0,0 @@
-/* gui.h
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __GUI_H__
-#define __GUI_H__
-
-//#include "ds2_types.h"
-//#include "fs_api.h"
-#include "gcheat.h"
-
-#define UP_SCREEN_UPDATE_METHOD   0
-#define DOWN_SCREEN_UPDATE_METHOD 2
-
-// For general option text
-#define OPTION_TEXT_X             10
-#define OPTION_TEXT_SX            236
-
-// For option rows
-#define GUI_ROW1_Y                36
-#define GUI_ROW_SY                19
-// The following offset is added to the row's Y coordinate to provide
-// the Y coordinate for its text.
-#define TEXT_OFFSET_Y             2
-// The following offset is added to the row's Y coordinate to provide
-// the Y coordinate for its ICON_SUBSELA (sub-screen selection type A).
-#define SUBSELA_OFFSET_Y          -2
-#define SUBSELA_X                 ((NDS_SCREEN_WIDTH - ICON_SUBSELA.x) / 2)
-
-// For message boxes
-#define MESSAGE_BOX_TEXT_X        ((NDS_SCREEN_WIDTH - ICON_MSG.x) / 2 + 3)
-#define MESSAGE_BOX_TEXT_SX       (ICON_MSG.x - 6)
-// Y is brought down by the "window title" that's part of ICON_MSG
-#define MESSAGE_BOX_TEXT_Y        ((NDS_SCREEN_HEIGHT - ICON_MSG.y) / 2 + 24)
-
-// For cheats [ NUM. DESC . . . . . +/- ]
-#define CHEAT_NUMBER_X            10
-#define CHEAT_DESC_X              34
-#define CHEAT_DESC_SX             197
-#define CHEAT_ACTIVE_X            241
-
-// For the file selector
-#define FILE_SELECTOR_ICON_X      10
-#define FILE_SELECTOR_ICON_Y      (TEXT_OFFSET_Y - 1)
-#define FILE_SELECTOR_NAME_X      32
-#define FILE_SELECTOR_NAME_SX     214
-
-// Back button
-#define BACK_BUTTON_X             229
-#define BACK_BUTTON_Y             10
-// Title icon
-#define TITLE_ICON_X              12
-#define TITLE_ICON_Y              9
-
-#define MAX_GAMEPAD_MAP 16
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-//
-struct _EMU_CONFIG
-{
-  u32 language;
-  char rom_file[256];
-  char rom_path[256];
-  char latest_file[5][512];
-  u32 HotkeyReturnToMenu;
-  u32 HotkeyTemporaryFastForward;
-  u32 HotkeyToggleSound;
-  u32 HotkeyQuickLoadState;
-  u32 HotkeyQuickSaveState;
-  u32 HotkeyToggleFullScreen;
-  u32 BottomScreenGame;
-  u32 Reserved[57];
-};
-
-struct _GAME_CONFIG
-{
-	u32 clock_speed_number;
-	u32  Reserved0;
-	u32 frameskip_value;
-	u32 graphic;
-	u32 enable_audio;
-	u32 Reserved1;
-	u32 backward;
-	u32 backward_time;
-	u32 HotkeyReturnToMenu;
-	u32 HotkeyTemporaryFastForward;
-	u32 HotkeyToggleSound;
-	u32 SoundSync;
-	/*
-	 * PreviouslyUsed_20130206_1 was for a second meaning of
-	 * frameskip_value that is now dropped.
-	 * THIS VALUE IS NOT GUARANTEED TO BE RESERVED AND SET TO 0.
-	 */
-	u32 PreviouslyUsed_20130206_1;
-	/*
-	 * PreviouslyUsed_20130206_2 was for a second meaning of
-	 * clock_speed_number that is now dropped.
-	 * THIS VALUE IS NOT GUARANTEED TO BE RESERVED AND SET TO 0.
-	 */
-	u32 PreviouslyUsed_20130206_2;
-	u32 RetroSound;
-	u32 HotkeyQuickLoadState;
-	u32 HotkeyQuickSaveState;
-	u32 HotkeyToggleFullScreen;
-	u32  Reserved2[38];
-};
-
-typedef enum
-{
-  CURSOR_NONE = 0,
-  CURSOR_UP,
-  CURSOR_DOWN,
-  CURSOR_LEFT,
-  CURSOR_RIGHT,
-  CURSOR_SELECT,
-  CURSOR_BACK,
-  CURSOR_EXIT,
-  CURSOR_RTRIGGER,
-  CURSOR_LTRIGGER,
-  CURSOR_KEY_SELECT,
-  CURSOR_TOUCH
-} gui_action_type;
-
-typedef enum
-{
-  BUTTON_ID_A   = 0x01,
-  BUTTON_ID_B   = 0x02,
-  BUTTON_ID_SELECT  = 0x04,
-  BUTTON_ID_START   = 0x08,
-  BUTTON_ID_RIGHT   = 0x10,
-  BUTTON_ID_LEFT    = 0x20,
-  BUTTON_ID_UP      = 0x40,
-  BUTTON_ID_DOWN    = 0x80,
-  BUTTON_ID_R       = 0x100,
-  BUTTON_ID_L       = 0x200,
-  BUTTON_ID_X       = 0x400,
-  BUTTON_ID_Y       = 0x800,
-  BUTTON_ID_TOUCH   = 0x1000,
-  BUTTON_ID_LID     = 0x2000,
-  BUTTON_ID_FA      = 0x4000,
-  BUTTON_ID_FB      = 0x8000,
-  BUTTON_ID_NONE    = 0
-} input_buttons_id_type;
-
-extern char main_path[MAX_PATH];
-extern char rom_path[MAX_PATH];
-
-extern u32 game_enable_audio;
-extern u32 game_fast_forward;
-extern u32 temporary_fast_forward;
-
-/******************************************************************************
- ******************************************************************************/
-extern char g_default_rom_dir[MAX_PATH];
-extern char DEFAULT_RTS_DIR[MAX_PATH];
-extern char DEFAULT_CFG_DIR[MAX_PATH];
-extern char DEFAULT_SS_DIR[MAX_PATH];
-extern char DEFAULT_CHEAT_DIR[MAX_PATH];
-
-typedef struct _EMU_CONFIG		EMU_CONFIG;
-typedef struct _GAME_CONFIG		GAME_CONFIG;
-
-extern EMU_CONFIG	emu_config;
-extern GAME_CONFIG	game_config;
-
-/******************************************************************************
- ******************************************************************************/
-extern void gui_init(u32 lang_id);
-extern u32 menu(u16 *original_screen, bool8 FirstInvocation);
-extern void LowFrequencyCPU();
-extern void HighFrequencyCPU();
-extern void GameFrequencyCPU();
-
-extern void QuickSaveState();
-extern void QuickLoadState();
-extern void ToggleFullScreen();
-
-extern int load_language_msg(char *filename, u32 language);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif //__GUI_H__
diff --git a/source/nds/message.h b/source/nds/message.h
deleted file mode 100644
index f2977e4..0000000
--- a/source/nds/message.h
+++ /dev/null
@@ -1,169 +0,0 @@
-/* message.h
- *
- * Copyright (C) 2010 dking <dking024@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licens e as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __MESSAGE_H__
-#define __MESSAGE_H__
-
-enum MSG
-{
-	MSG_MAIN_MENU_NEW_GAME,
-	MSG_MAIN_MENU_RETURN_TO_GAME,
-	MSG_MAIN_MENU_RESET_GAME,
-	MSG_MAIN_MENU_VIDEO_AUDIO,
-	MSG_MAIN_MENU_SAVED_STATES,
-	MSG_MAIN_MENU_CHEATS,
-	MSG_MAIN_MENU_TOOLS,
-	MSG_MAIN_MENU_OPTIONS,
-	MSG_MAIN_MENU_EXIT,
-
-	MSG_FILE_MENU_LOADING_LIST,
-	MSG_FILE_MENU_SORTING_LIST,
-
-	FMT_VIDEO_AUDIO_FLUIDITY_PREFERENCE,
-	MSG_VIDEO_AUDIO_FLUIDITY_PREFER_VIDEO,
-	MSG_VIDEO_AUDIO_FLUIDITY_PREFER_AUDIO,
-	FMT_VIDEO_ASPECT_RATIO,
-	FMT_VIDEO_FAST_FORWARD,
-	FMT_VIDEO_FRAME_SKIPPING,
-	FMT_VIDEO_GAME_SCREEN,
-	FMT_AUDIO_SOUND,
-	FMT_AUDIO_RETRO_SOUND,
-	FMT_SAVED_STATE_CREATE,
-	FMT_SAVED_STATE_LOAD,
-	MSG_SAVED_STATE_DELETE_GENERAL,
-	FMT_CHEAT_PAGE,
-	MSG_CHEAT_LOAD_FROM_FILE,
-	MSG_TOOLS_SCREENSHOT_GENERAL,
-	MSG_TOOLS_GLOBAL_HOTKEY_GENERAL,
-	MSG_TOOLS_GAME_HOTKEY_GENERAL,
-	FMT_OPTIONS_LANGUAGE,
-	FMT_OPTIONS_CPU_FREQUENCY,
-	MSG_OPTIONS_CPU_FREQUENCY_0,
-	MSG_OPTIONS_CPU_FREQUENCY_1,
-	MSG_OPTIONS_CPU_FREQUENCY_2,
-	MSG_OPTIONS_CPU_FREQUENCY_3,
-	MSG_OPTIONS_CPU_FREQUENCY_4,
-	MSG_OPTIONS_CPU_FREQUENCY_5,
-	MSG_OPTIONS_CARD_CAPACITY /* unused if !defined(ENABLE_FREE_SPACE) */,
-	MSG_OPTIONS_RESET,
-	MSG_OPTIONS_VERSION,
-	MSG_SCREENSHOT_CREATE,
-	MSG_SCREENSHOT_BROWSE,
-	MSG_HOTKEY_MAIN_MENU,
-	MSG_HOTKEY_TEMPORARY_FAST_FORWARD,
-	MSG_HOTKEY_SOUND_TOGGLE,
-	MSG_HOTKEY_QUICK_LOAD_STATE,
-	MSG_HOTKEY_QUICK_SAVE_STATE,
-	MSG_HOTKEY_FULL_SCREEN_TOGGLE,
-	MSG_PROGRESS_HOTKEY_WAITING_FOR_KEYS,
-	MSG_HOTKEY_DELETE_WITH_A,
-	MSG_HOTKEY_CANCEL_WITH_B,
-	MSG_LOAD_GAME_RECENTLY_PLAYED,
-	MSG_LOAD_GAME_FROM_CARD,
-	MSG_LOAD_GAME_MENU_TITLE,
-
-	MSG_VIDEO_ASPECT_RATIO_0,
-	MSG_VIDEO_ASPECT_RATIO_1,
-	MSG_VIDEO_ASPECT_RATIO_2,
-	MSG_VIDEO_ASPECT_RATIO_3,
-	MSG_VIDEO_ASPECT_RATIO_4,
-
-	MSG_VIDEO_FRAME_SKIPPING_AUTOMATIC,
-	MSG_VIDEO_FRAME_SKIPPING_0,
-	MSG_VIDEO_FRAME_SKIPPING_1,
-	MSG_VIDEO_FRAME_SKIPPING_2,
-	MSG_VIDEO_FRAME_SKIPPING_3,
-	MSG_VIDEO_FRAME_SKIPPING_4,
-	MSG_VIDEO_FRAME_SKIPPING_5,
-	MSG_VIDEO_FRAME_SKIPPING_6,
-	MSG_VIDEO_FRAME_SKIPPING_7,
-	MSG_VIDEO_FRAME_SKIPPING_8,
-	MSG_VIDEO_FRAME_SKIPPING_9,
-	MSG_VIDEO_FRAME_SKIPPING_10,
-
-	MSG_VIDEO_GAME_SCREEN_TOP,
-	MSG_VIDEO_GAME_SCREEN_BOTTOM,
-
-	MSG_GENERAL_OFF,
-	MSG_GENERAL_ON,
-
-	MSG_GENERAL_CONFIRM_WITH_A,
-	MSG_GENERAL_CANCEL_WITH_B,
-
-	MSG_AUDIO_ENABLED,
-	MSG_AUDIO_MUTED,
-
-	MSG_TOP_SCREEN_NO_GAME_LOADED,
-	MSG_CHEAT_ELEMENT_NOT_LOADED,
-
-	MSG_SAVESTATE_FULL,
-	MSG_PROGRESS_SAVED_STATE_CREATING,
-	MSG_PROGRESS_SAVED_STATE_CREATION_FAILED,
-	MSG_PROGRESS_SAVED_STATE_CREATION_SUCCEEDED,
-	MSG_TOP_SCREEN_NO_SAVED_STATE_IN_SLOT,
-	MSG_PROGRESS_SAVED_STATE_CORRUPTED,
-	MSG_PROGRESS_SAVED_STATE_LOADING,
-	MSG_PROGRESS_SAVED_STATE_LOAD_FAILED,
-	MSG_PROGRESS_SAVED_STATE_LOAD_SUCCEEDED,
-
-	MSG_SAVED_STATE_DELETE_ALL,
-	FMT_SAVED_STATE_DELETE_ONE,
-
-	MSG_DIALOG_SAVED_STATE_DELETE_ALL,
-	FMT_DIALOG_SAVED_STATE_DELETE_ONE,
-	MSG_PROGRESS_SAVED_STATE_ALREADY_EMPTY,
-
-	MSG_PROGRESS_SCREENSHOT_CREATING,
-	MSG_PROGRESS_SCREENSHOT_CREATION_SUCCEEDED,
-	MSG_PROGRESS_SCREENSHOT_CREATION_FAILED,
-
-	MSG_NO_SLIDE,
-	MSG_PLAYING_SLIDE,
-	MSG_PAUSE_SLIDE,
-	MSG_SCREENSHOT_SLIDESHOW_KEYS,
-
-	MSG_PROGRESS_LOADING_GAME,
-
-	MSG_EMULATOR_NAME,
-	MSG_WORD_EMULATOR_VERSION,
-
-	MSG_DIALOG_RESET,
-	MSG_PROGRESS_RESETTING,
-
-	MSG_END
-};
-
-enum LANGUAGE {
-	ENGLISH,
-	CHINESE_SIMPLIFIED,
-	FRENCH,
-	GERMAN,
-	DUTCH,
-	SPANISH,
-	ITALIAN,
-	PORTUGUESE_BRAZILIAN
-};
-
-extern char* lang[8]; // Allocated in gui.c, needs to match the languages ^
-
-char *msg[MSG_END+1];
-char msg_data[32 * 1024];
-
-#endif //__MESSAGE_H__
-