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desmume.c

/* desmume.c - this file is part of DeSmuME
 *
 * Copyright (C) 2006,2007 DeSmuME Team
 * Copyright (C) 2007 Pascal Giard (evilynux)
 *
 * This file 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, or (at your option)
 * any later version.
 *
 * This file 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "desmume.h"

volatile BOOL execute = FALSE;
BOOL click = FALSE;
BOOL fini = FALSE;
unsigned long glock = 0;

void desmume_mem_init();

u8 *desmume_rom_data = NULL;
u32 desmume_last_cycle;

void desmume_init()
{
      NDS_Init();
        SPU_ChangeSoundCore(SNDCORE_SDL, 735 * 4);
      execute = FALSE;
}

void desmume_free()
{
      execute = FALSE;
      NDS_DeInit();
}

void desmume_pause()
{
      execute = FALSE;
}
void desmume_resume()
{
      execute = TRUE;
}
void desmume_toggle()
{
      execute = (execute) ? FALSE : TRUE;
}
BOOL desmume_running()
{
      return execute;
}

void desmume_cycle()
{
  u16 keypad;
  /* Joystick events */
  /* Retrieve old value: can use joysticks w/ another device (from our side) */
  keypad = get_keypad();
  /* Look for queued events */
  keypad = process_ctrls_events(keypad);
  /* Update keypad value */
  update_keypad(keypad);

  desmume_last_cycle = NDS_exec((560190 << 1) - desmume_last_cycle, FALSE);
  SPU_Emulate();
}
 

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