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/*
   ds48 - Nintendo DS ZX Spectrum emulator.

   Copyright (C) 2007  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 "tapes.h"
#include "framebuffer.h"
#include "keyboard.h"

#include "ant_tape_bin.h"


/* ---------------------------------------- STATIC DATA
*/
typedef struct
{
    const u8	*tape;
    const u32	*tape_len;
    SoftKey	*keys;
    const char	**text;
} Tape;

#define NO_TAPES	1

static SoftKey	ant_keys[]=
		    {
		    	SK_PAD_UP,	SK_V,
		    	SK_PAD_LEFT,	SK_M,
		    	SK_PAD_RIGHT,	SK_SYMBOL_SHIFT,
			SK_PAD_Y,	SK_S,
			SK_PAD_X,	SK_D,
			SK_PAD_A,	SK_F,
			SK_PAD_DOWN,	SK_G,
			SK_PAD_B,	SK_C,
			SK_PAD_L,	SK_O,
			SK_PAD_R,	SK_P,
			SK_PAD_START,	SK_ENTER,
			SK_PAD_SELECT,	SK_SPACE,
			NUM_SOFT_KEYS
		    };

static const char *ant_text[]=
		    {
		      /* 01234567890123456789012345678901 */
			"ANT ATTACK",
			" ",
			"(c) 1983",
			"Sandy White & Angela Sutherland",
			" ",
			"Brave the city of Antescher.",
			" ",
			"Use left and right to turn, up",
			"to go forwards and B to jump.",
			" ",
			"Y, X and A throw grenades near,",
			"then further away.  Down throws",
			"as hard as you can.",
			" ",
			"Use the shoulder buttons, start",
			"and select to alter the view.",
			NULL
		    };

static Tape	tapes[NO_TAPES]=
		{
		    {
		    	ant_tape_bin,
			&ant_tape_bin_size,
			ant_keys,
			ant_text
		    }
		};


static int	current=0;

/* ---------------------------------------- PRIVATE INTERFACES
*/
static void DisplayTape(Tape *t)
{
    int f;

    FB_Clear();

    for(f=0;t->text[f];f++)
    {
	FB_Centre(t->text[f],f*8,COL_WHITE,COL_TRANSPARENT);
    }

    FB_Centre("Press A to select this tape.",180,COL_YELLOW,COL_TRANSPARENT);
}

/* ---------------------------------------- PUBLIC INTERFACES
*/
void SelectTape(void)
{
    int done=FALSE;

    while(!done)
    {
	uint32 key=0;

    	DisplayTape(tapes+current);

        do
        {
            swiWaitForVBlank();
        } while(!(key=keysDownRepeat()));

	if (key & KEY_LEFT)
	{
	    if (--current<0)
	    {
	    	current=NO_TAPES-1;
	    }
	}
	else if (key & KEY_RIGHT)
	{
	    current=(current+1)%NO_TAPES;
	}
	else if (key & KEY_A)
	{
	    int f;

	    done=TRUE;
	    SPECSetTape(tapes[current].tape,*tapes[current].tape_len);

	    for(f=0;tapes[current].keys[f]!=NUM_SOFT_KEYS;f+=2)
	    {
	    	SK_DefinePad(tapes[current].keys[f],
			     tapes[current].keys[f+1]);
	    }
	}
	else if (key & KEY_B)
	{
	    done=TRUE;
	}
    }
}