[fceu.git] / boards / dream.c

/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 2005 CaH4e3
 *
 * 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
 */

#include "mapinc.h"

static uint8 latche;

static void Sync(void)
{
  setprg16(0x8000,latche);
  setprg16(0xC000,8);
}

static DECLFW(DREAMWrite)
{
  latche=V&7;
  Sync();
}

static void DREAMPower(void)
{
  latche=0;
  Sync();
  setchr8(0);
  SetReadHandler(0x8000,0xFFFF,CartBR);
  SetWriteHandler(0x5020,0x5020,DREAMWrite);
}

static void Restore(int version)
{
  Sync();
}

void DreamTech01_Init(CartInfo *info)
{
  GameStateRestore=Restore;
  info->Power=DREAMPower;
  AddExState(&latche, 1, 0, "LATCH");
}
Commit	Line	Data
e2d0dd92	1	/* FCE Ultra - NES/Famicom Emulator
	2	*
	3	* Copyright notice for this file:
	4	* Copyright (C) 2005 CaH4e3
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#include "mapinc.h"
	22
	23	static uint8 latche;
	24
	25	static void Sync(void)
	26	{
	27	setprg16(0x8000,latche);
	28	setprg16(0xC000,8);
	29	}
	30
	31	static DECLFW(DREAMWrite)
	32	{
	33	latche=V&7;
	34	Sync();
	35	}
	36
	37	static void DREAMPower(void)
	38	{
	39	latche=0;
	40	Sync();
	41	setchr8(0);
	42	SetReadHandler(0x8000,0xFFFF,CartBR);
	43	SetWriteHandler(0x5020,0x5020,DREAMWrite);
	44	}
	45
	46	static void Restore(int version)
	47	{
	48	Sync();
	49	}
	50
	51	void DreamTech01_Init(CartInfo *info)
	52	{
	53	GameStateRestore=Restore;
	54	info->Power=DREAMPower;
	55	AddExState(&latche, 1, 0, "LATCH");
	56	}