From b369f37c6244b5d56742b56f745219fb2544efe2 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Fri, 16 Feb 2007 01:10:41 +0000
Subject: Some hi-res support.  Added new config page and averaging touchscreen
 reads. In process of writing file selector.

---
 source/config.c      | 130 ++++++++++++++++
 source/framebuffer.c |  15 ++
 source/gui.c         | 428 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 source/keyboard.c    |  48 +++---
 source/main.c        |  21 ++-
 source/touchwrap.c   |  55 +++++++
 source/zx81.c        |  71 +++++----
 7 files changed, 698 insertions(+), 70 deletions(-)
 create mode 100644 source/config.c
 create mode 100644 source/touchwrap.c

(limited to 'source')

diff --git a/source/config.c b/source/config.c
new file mode 100644
index 0000000..b2abec8
--- /dev/null
+++ b/source/config.c
@@ -0,0 +1,130 @@
+/*
+   ds81 - Nintendo DS ZX81 emulator.
+
+   Copyright (C) 2006  Ian Cowburn <ianc@noddybox.co.uk>
+   
+   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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+  
+   $Id$
+*/
+
+#include <nds.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "config.h"
+
+/* ---------------------------------------- PRIVATE DATA
+*/
+const char *conf_filename = "DS81.CFG";
+
+const char *conf_entry[DS81_NUM_CONFIG_ITEMS]=
+{
+    "sticky_shift",
+    "average_touchscreen"
+};
+
+
+/* ---------------------------------------- GLOBAL DATA
+*/
+int	DS81_Config[DS81_NUM_CONFIG_ITEMS]=
+{
+    TRUE,
+    FALSE
+};
+
+
+/* ---------------------------------------- PUBLIC INTERFACES
+*/
+int LoadConfig(void)
+{
+    FILE *fp = NULL;
+
+#ifndef DS81_DISABLE_FAT
+    fp=fopen(conf_filename,"r");
+#endif
+
+    if (fp)
+    {
+	char line[80];
+
+	while(fgets(line, sizeof line, fp))
+	{
+	    char *p;
+
+	    if ((p = strchr(line, '=')))
+	    {
+		int f;
+
+		for(f=0;f<DS81_NUM_CONFIG_ITEMS;f++)
+		{
+		    if (strncmp(line, conf_entry[f],
+		    		strlen(conf_entry[f])) == 0)
+		    {
+		    	DS81_Config[f] = (*(p+1) == '1');
+		    }
+		}
+		
+	    }
+	}
+
+	fclose(fp);
+
+	return TRUE;
+    }
+
+    return FALSE;
+}
+
+int SaveConfig(void)
+{
+    FILE *fp = NULL;
+
+#ifndef DS81_DISABLE_FAT
+    fp=fopen(conf_filename,"w");
+#endif
+
+    if (fp)
+    {
+	int f;
+
+	for(f=0;f<DS81_NUM_CONFIG_ITEMS;f++)
+	{
+	    fprintf(fp,"%s=%d\n",conf_entry[f],DS81_Config[f]);
+	}
+
+    	fclose(fp);
+
+	return TRUE;
+    }
+
+    return FALSE;
+}
+
+const char *ConfigDesc(DS81_ConfigItem item)
+{
+    switch(item)
+    {
+	case DS81_STICKY_SHIFT:
+	    return "STICKY SHIFT";
+
+	case DS81_AVERAGE_TOUCHSCREEN:
+	    return "AVERAGE TOUCHSCREEN";
+
+    	default:
+	    return "UNKNOWN";
+    }
+}
+
diff --git a/source/framebuffer.c b/source/framebuffer.c
index ef66235..691862e 100644
--- a/source/framebuffer.c
+++ b/source/framebuffer.c
@@ -21,6 +21,8 @@
 */
 
 #include <nds.h>
+#include <stdio.h>
+#include <stdarg.h>
 #include <string.h>
 
 /* ---------------------------------------- STATIC DATA
@@ -183,6 +185,19 @@ void FB_Centre(const char *text, int y, int colour, int paper)
 }
 
 
+void FB_printf(int x, int y, int colour, int paper, const char *format, ...)
+{
+    char buff[80];
+    va_list va;
+
+    va_start(va,format);
+    vsnprintf(buff,sizeof buff,format,va);
+    va_end(va);
+
+    FB_Print(buff,x,y,colour,paper);
+}
+
+
 void FB_HLine(int x1, int x2, int y, int colour)
 {
     uint16 *line;
diff --git a/source/gui.c b/source/gui.c
index 713ad02..7e55b97 100644
--- a/source/gui.c
+++ b/source/gui.c
@@ -20,10 +20,160 @@
    $Id$
 */
 
-#include <nds.h>
+#include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
+#include <nds.h>
+
+#include <sys/dir.h>
 
 #include "framebuffer.h"
+#include "config.h"
+
+
+/* ---------------------------------------- PRIVATE INTERFACES - PATH HANDLING
+*/
+#define FSEL_FILENAME_LEN	20
+#define FSEL_LINES		15
+#define FSEL_MAX_FILES		512
+
+#define FSEL_LIST_Y		12
+#define FSEL_LIST_H		FSEL_LINES*8
+
+typedef struct
+{
+    char	name[FSEL_FILENAME_LEN+1];
+    int		is_dir;
+    int		size;
+} FSEL_File;
+
+static FSEL_File fsel[FSEL_MAX_FILES];
+
+
+static void CheckPath(char *path)
+{
+    size_t l;
+
+    l = strlen(path);
+
+    if (l == 1)
+    {
+    	path[0] = '/';
+    }
+    else
+    {
+    	if (path[l-1] != '/')
+	{
+	    path[l] = '/';
+	    path[l+1] = 0;
+	}
+    }
+}
+
+
+static void AddPath(char *path, const char *dir)
+{
+    if (strcmp(dir,"..") == 0)
+    {
+	char *p;
+
+	p = strrchr(path,'/');
+
+	if (p && p!=path)
+	{
+	    *p = 0;
+	}
+    }
+    else
+    {
+	strcat(path,dir);
+	strcat(path,"/");
+    }
+}
+
+
+
+
+static int SortFiles(const void *a, const void *b)
+{
+    const FSEL_File *f1;
+    const FSEL_File *f2;
+
+    f1 = (const FSEL_File *)a;
+    f2 = (const FSEL_File *)b;
+
+    if (f1->is_dir == f1->is_dir)
+    {
+    	return strcmp(f1->name, f2->name);
+    }
+    else if (f1->is_dir)
+    {
+    	return -1;
+    }
+    else
+    {
+    	return 1;
+    }
+}
+
+
+static int ValidFilename(const char *name, int is_dir, const char *filter)
+{
+    size_t l;
+    size_t f;
+
+    l = strlen(name);
+
+    if (l > FSEL_FILENAME_LEN)
+    	return 0;
+
+    if (strcmp(name,".") == 0)
+    	return 0;
+
+    if (is_dir || !filter)
+    	return 1;
+
+    f = strlen(filter);
+
+    if (l > f)
+    {
+    	if (strcmp(name+l-f,filter) == 0)
+	{
+	    return 1;
+	}
+    }
+
+    return 0;
+}
+
+
+static int LoadDir(const char *path, const char *filter)
+{
+    DIR_ITER *dir;
+    struct stat st; 
+    char name[FILENAME_MAX];
+    int no = 0;
+
+    if ((dir = diropen(path)))
+    {
+    	while(no < FSEL_MAX_FILES && dirnext(dir,name,&st) == 0)
+	{
+	    if (ValidFilename(name, (st.st_mode & S_IFDIR), filter))
+	    {
+		strcpy(fsel[no].name,name);
+		fsel[no].is_dir = (st.st_mode & S_IFDIR);
+		fsel[no].size = (int)st.st_size;
+		no++;
+	    }
+	}
+
+	dirclose(dir);
+
+	qsort(fsel,no,sizeof fsel[0],SortFiles);
+    }
+
+    return no;
+}
 
 
 /* ---------------------------------------- PUBLIC INTERFACES
@@ -189,3 +339,279 @@ void GUI_Alert(int fatal, const char *text)
 	}
     }
 }
+
+
+void GUI_Config(void)
+{
+    int sel;
+    DS81_ConfigItem f;
+    bool done;
+    bool save;
+
+    sel = 0;
+    done = false;
+    save = false;
+
+    FB_Clear();
+
+    FB_Centre("Up/Down to select",140,FB_RGB(31,31,0),-1);
+    FB_Centre("A to toggle",150,FB_RGB(31,31,0),-1);
+    FB_Centre("Or use touchscreen",160,FB_RGB(31,31,0),-1);
+    FB_Centre("START to finish",170,FB_RGB(31,31,0),-1);
+
+#ifndef DS81_DISABLE_FAT
+    FB_Centre("SELECT to save to \\DS81.CFG",180,FB_RGB(31,31,0),-1);
+#endif
+
+    for(f=0;f<DS81_NUM_CONFIG_ITEMS;f++)
+    {
+	FB_Print(ConfigDesc(f),14,20+f*14,FB_RGB(31,31,31),-1);
+    }
+
+    while(!done)
+    {
+	uint32 key=0;
+
+	for(f=0;f<DS81_NUM_CONFIG_ITEMS;f++)
+	{
+	    FB_FillBox(2,20+f*14-1,10,10,
+			DS81_Config[f] ? FB_RGB(31,31,31):FB_RGB(0,0,0));
+
+	    FB_Box(2,20+f*14-1,10,10,FB_RGB(18,18,18));
+	}
+
+	FB_Box(0,20+sel*14-3,SCREEN_WIDTH-1,14,FB_RGB(18,18,31));
+
+	do
+	{
+	    swiWaitForVBlank();
+	} while(!(key=keysDownRepeat()));
+
+	FB_Box(0,20+sel*14-3,SCREEN_WIDTH-1,14,FB_RGB(0,0,0));
+
+	if (key & KEY_START)
+	{
+	    done=true;
+	}
+#ifndef DS81_DISABLE_FAT
+	else if (key & KEY_SELECT)
+	{
+	    done=true;
+	    save=true;
+	}
+#endif
+	else if (key & KEY_A)
+	{
+	    DS81_Config[sel] = !DS81_Config[sel];
+	}
+	else if ((key & KEY_UP) && sel)
+	{
+	    sel--;
+	}
+	else if ((key & KEY_DOWN) && sel<DS81_NUM_CONFIG_ITEMS-1)
+	{
+	    sel++;
+	}
+	else if (key & KEY_TOUCH)
+	{
+	    touchPosition tp = touchReadXY();
+	    int nsel;
+
+	    nsel = (tp.py-18)/14;
+
+	    if (nsel>=0 && nsel<DS81_NUM_CONFIG_ITEMS)
+	    {
+	    	sel = nsel;
+		DS81_Config[sel] = !DS81_Config[sel];
+	    }
+	}
+    }
+
+    if (save)
+    {
+	SaveConfig();
+    }
+}
+
+
+bool GUI_FileSelect(char pwd[], char selected_file[], const char *filter)
+{
+    int no;
+    int sel;
+    int top;
+    int bar_size;
+    double bar_step;
+    bool done;
+    bool ret;
+    int pen;
+    int paper;
+    int off;
+    int f;
+
+    CheckPath(pwd);
+
+    FB_Clear();
+
+    FB_printf(0,0,FB_RGB(0,0,0),FB_RGB(22,22,22),"%-31.31s",pwd);
+
+    no = LoadDir(pwd,filter);
+
+    sel = 0;
+    top = 0;
+    done = false;
+    ret = false;
+
+    if (no<=FSEL_LINES)
+    {
+	bar_step = 0;
+	bar_size = FSEL_LIST_H;
+    }
+    else
+    {
+	bar_step = FSEL_LIST_H/(double)no;
+	bar_size = bar_step*FSEL_LINES;
+    }
+
+    while(!done)
+    {
+	uint32 key=0;
+
+	for (f=0;f<FSEL_LINES;f++)
+	{
+	    off = f + top;
+
+	    if (off<no)
+	    {
+		if (off == sel)
+		{
+		    pen = FB_RGB(0,0,0);
+		    paper = FB_RGB(31,31,31);
+		}
+		else
+		{
+		    pen = FB_RGB(31,31,31);
+		    paper = FB_RGB(0,0,0);
+		}
+
+		FB_printf(8,FSEL_LIST_Y+f*8,pen,paper,
+				"%-*s  %s",
+				    FSEL_FILENAME_LEN,
+				    fsel[off].name,
+				    fsel[off].is_dir ? "DIR" : "   ");
+	    }
+	    else
+	    {
+		FB_printf(8,FSEL_LIST_Y+f*8,FB_RGB(31,31,31),FB_RGB(0,0,0),
+			    "%-*s  %s",
+			    	FSEL_FILENAME_LEN,
+				off==0 ? "No Files!" : "",
+				"");
+	    }
+	}
+
+	FB_FillBox(240,FSEL_LIST_Y,16,FSEL_LIST_H,FB_RGB(10,10,10));
+	FB_FillBox(240,FSEL_LIST_Y+top*bar_step,16,bar_size,FB_RGB(31,31,31));
+
+	do
+	{
+	    swiWaitForVBlank();
+	} while(!(key=keysDownRepeat()));
+
+	if (key & KEY_UP)
+	{
+	    if (sel)
+	    {
+	    	sel--;
+
+		if (sel<top)
+		{
+		    top--;
+		}
+	    }
+	}
+	else if (key & KEY_DOWN)
+	{
+	    if (sel < (no-1))
+	    {
+	    	sel++;
+
+		if (sel >= (top+FSEL_LINES))
+		{
+		    top++;
+		}
+	    }
+	}
+	else if (key & KEY_L)
+	{
+	    if (sel)
+	    {
+	    	sel-=FSEL_LINES;
+
+		if (sel < 0)
+		{
+		    sel = 0;
+		}
+
+		top = sel;
+	    }
+	}
+	else if (key & KEY_R)
+	{
+	    if (sel < (no-1))
+	    {
+	    	sel+=FSEL_LINES;
+
+		if (sel > (no-1))
+		{
+		    sel = no-1;
+		}
+
+		top = sel - FSEL_LINES + 1;
+
+		if (top < 0)
+		{
+		    top = 0;
+		}
+	    }
+	}
+	else if (key & KEY_A)
+	{
+	    if (fsel[sel].is_dir)
+	    {
+	    	AddPath(pwd,fsel[sel].name);
+
+		no = LoadDir(pwd,filter);
+
+		sel = 0;
+		top = 0;
+
+		if (no<=FSEL_LINES)
+		{
+		    bar_step = 0;
+		    bar_size = FSEL_LIST_H;
+		}
+		else
+		{
+		    bar_step = FSEL_LIST_H/(double)no;
+		    bar_size = bar_step*FSEL_LINES;
+		}
+	    }
+	    else
+	    {
+	    	done = true;
+		ret = true;
+
+		strcpy(selected_file,pwd);
+		strcat(selected_file,fsel[sel].name);
+	    }
+	}
+	else if (key & KEY_START)
+	{
+	    done=true;
+	}
+    }
+
+    while (keysHeld());
+
+    return ret;
+}
diff --git a/source/keyboard.c b/source/keyboard.c
index cb6a932..37ae4ef 100644
--- a/source/keyboard.c
+++ b/source/keyboard.c
@@ -24,6 +24,7 @@
 
 #include "keyboard.h"
 #include "framebuffer.h"
+#include "touchwrap.h"
 #include "keyb_bin.h"
 
 /* ---------------------------------------- STATIC DATA
@@ -166,36 +167,39 @@ static int GetEvent(SoftKeyEvent *ev, int map)
 	*/
 	if (keys & KEY_TOUCH)
 	{
-	    touchPosition tp=touchReadXY();
+	    touchPosition tp;
 
-	    if (tp.py<21 || tp.py>165)
+	    if (AllowTouch(&tp))
 	    {
-	    	key_state[SK_CONFIG].new_state = TRUE;
-	    }
-	    else
-	    {
-	    	SoftKey press;
-
-		press = LocatePress(&tp);
-
-		if (press != NUM_SOFT_KEYS)
+		if (tp.py<21 || tp.py>165)
+		{
+		    key_state[SK_CONFIG].new_state = TRUE;
+		}
+		else
 		{
-		    key_state[press].handled = TRUE;
+		    SoftKey press;
+
+		    press = LocatePress(&tp);
 
-		    if (key_state[press].is_sticky)
+		    if (press != NUM_SOFT_KEYS)
 		    {
-			if (last != press)
+			key_state[press].handled = TRUE;
+
+			if (key_state[press].is_sticky)
 			{
-			    key_state[press].new_state =
-			    		!key_state[press].state;
+			    if (last != press)
+			    {
+				key_state[press].new_state =
+					    !key_state[press].state;
+			    }
+			}
+			else
+			{
+			    key_state[press].new_state = TRUE;
 			}
-		    }
-		    else
-		    {
-			key_state[press].new_state = TRUE;
-		    }
 
-		    last = press;
+			last = press;
+		    }
 		}
 	    }
 	}
diff --git a/source/main.c b/source/main.c
index aed05f5..f2b0e70 100644
--- a/source/main.c
+++ b/source/main.c
@@ -32,6 +32,7 @@
 #include "z80.h"
 #include "zx81.h"
 #include "tapes.h"
+#include "config.h"
 
 #include "splashimg_bin.h"
 #include "rom_font_bin.h"
@@ -42,8 +43,7 @@ static const char *main_menu[]=
 	{
 	    "Reset ZX81",
 	    "Select Tape",
-	    "Sticky Shift On",
-	    "Sticky Shift Off",
+	    "Configure",
 	    "Map Joypad to Keys",
 	    "Cancel",
 	    NULL
@@ -53,8 +53,7 @@ typedef enum
 {
     MenuReset,
     MenuSelectTape,
-    MenuStickyOn,
-    MenuStickyOff,
+    MenuConfigure,
     MenuMapJoypad,
 } MenuOpt;
 
@@ -301,9 +300,11 @@ int main(int argc, char *argv[])
 
     Splash();
 
+    LoadConfig();
+
     SK_DisplayKeyboard(BG_GFX_SUB);
 
-    SK_SetSticky(SK_SHIFT,1);
+    SK_SetSticky(SK_SHIFT,DS81_Config[DS81_STICKY_SHIFT]);
 
     while(1)
     {
@@ -329,12 +330,10 @@ int main(int argc, char *argv[])
 			    	SelectTape();
 				break;
 
-			    case MenuStickyOn:
-				SK_SetSticky(SK_SHIFT,1);
-				break;
-
-			    case MenuStickyOff:
-				SK_SetSticky(SK_SHIFT,0);
+			    case MenuConfigure:
+				GUI_Config();
+				SK_SetSticky(SK_SHIFT,
+					     DS81_Config[DS81_STICKY_SHIFT]);
 				break;
 
 			    case MenuMapJoypad:
diff --git a/source/touchwrap.c b/source/touchwrap.c
new file mode 100644
index 0000000..4fa373b
--- /dev/null
+++ b/source/touchwrap.c
@@ -0,0 +1,55 @@
+/*
+   ds81 - Nintendo DS ZX81 emulator.
+
+   Copyright (C) 2006  Ian Cowburn <ianc@noddybox.co.uk>
+   
+   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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+  
+   $Id$
+*/
+
+#include <nds.h>
+#include <stdlib.h>
+
+#include "touchwrap.h"
+#include "config.h"
+
+/* ---------------------------------------- PUBLIC INTERFACES
+*/
+int AllowTouch(touchPosition *tp)
+{
+    static touchPosition last;
+    int16 dx;
+    int16 dy;
+    int res;
+
+    *tp = touchReadXY();
+
+    if (DS81_Config[DS81_AVERAGE_TOUCHSCREEN])
+    {
+	dx = last.px - tp->px;
+	dy = last.py - tp->py;
+
+	res = (abs(dx) < 5 && abs(dy) < 5);
+    }
+    else
+    {
+    	res = TRUE;
+    }
+
+    last = *tp;
+
+    return res;
+}
diff --git a/source/zx81.c b/source/zx81.c
index 9a053b5..7964ed1 100644
--- a/source/zx81.c
+++ b/source/zx81.c
@@ -41,9 +41,6 @@
 #define FALSE 0
 #endif
 
-#define MAX_FNAME_LEN	30
-
-
 /* ---------------------------------------- STATICS
 */
 #define ROMLEN		0x2000
@@ -99,6 +96,8 @@ static int		enable_filesystem;
 static const Z80Byte	*tape_image;
 static int		tape_len;
 
+static char		last_dir[FILENAME_MAX] = "/";
+
 /* GFX vars
 */
 static uint16		*txt_screen;
@@ -259,58 +258,58 @@ static Z80Byte FromASCII(char c)
 */
 static FILE *OpenTapeFile(Z80Word addr)
 {
+    static const char zx_chars[] = "\"#$:?()><=+-*/;,."
+				   "0123456789"
+				   "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
     FILE *fp;
-    char fn[MAX_FNAME_LEN];
+    char fn[FILENAME_MAX];
     int f;
     int done;
 
-    f=0;
-    done=FALSE;
+    fp = NULL;
+    f = 0;
+    done = FALSE;
 
-    while(f<(MAX_FNAME_LEN-3) && !done)
+    while(f<(FILENAME_MAX-3) && !done)
     {
     	int ch;
 
-	ch=mem[addr++];
+	ch = mem[addr++];
 
 	if (ch&0x80)
 	{
-	    done=TRUE;
-	    ch&=0x7f;
+	    done = TRUE;
+	    ch &= 0x7f;
 	}
 
-	switch(ch)
+	if (ch>=11 && ch<=63)
 	{
-	    case 22:
-	    	fn[f++]='-';
-		break;
-
-	    case 27:
-	    	fn[f++]='.';
-
-	    default:
-		if (ch>=28 && ch<=37)
-		{
-		    fn[f++]='0'+(ch-28);
-		}
-		else if (ch>=38 && ch<=63)
-		{
-		    fn[f++]='A'+(ch-38);
-		}
-		break;
+	    fn[f++] = zx_chars[ch-11];
 	}
     }
 
-    fn[f++]='.';
-    fn[f++]='P';
-    fn[f]=0;
+    if (fn[0] == '*')
+    {
+    	if (GUI_FileSelect(last_dir,fn,".P"))
+	{
+	    fp = fopen(fn,"rb");
+	}
 
-    if (!(fp=fopen(fn,"rb")))
+	SK_DisplayKeyboard(BG_GFX_SUB);
+    }
+    else
     {
-	char full_fn[MAX_FNAME_LEN+11]="\\ZX81SNAP\\";
+	fn[f++] = '.';
+	fn[f++] = 'P';
+	fn[f] = 0;
 
-	strcat(full_fn,fn);
-	fp=fopen(full_fn,"rb");
+	if (!(fp = fopen(fn,"rb")))
+	{
+	    char full_fn[FILENAME_MAX+11] = "/ZX81SNAP/";
+
+	    strcat(full_fn,fn);
+	    fp = fopen(full_fn,"rb");
+	}
     }
 
     return fp;
@@ -378,7 +377,7 @@ static void DrawScreen_HIRES(Z80 *z80)
     bmp = bmp_screen;
     table = z80->I << 8;
 
-    /* scr is increment in both loops so that it can skip of the end-of-line
+    /* scr is increment in both loops so that it can skip the end-of-line
        character
     */
     for(y=0; y<192; y++)
-- 
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