[fceu.git] / mappers / 242.c

/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 2002 Xodnizel
 *
 * 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"


DECLFW(Mapper242_write)
{
  ROM_BANK32((A>>3)&0xF);
  switch(V&3)
  {
   case 0:MIRROR_SET(0);break;
   case 1:MIRROR_SET(1);break;
   case 2:onemir(0);break;
   case 3:onemir(1);break;
  }
}

void Mapper242_init(void)
{
  ROM_BANK32(0);
  SetWriteHandler(0x8000,0xffff,Mapper242_write);
}
Commit	Line	Data
	1	/* FCE Ultra - NES/Famicom Emulator
	2	*
	3	* Copyright notice for this file:
	4	* Copyright (C) 2002 Xodnizel
	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
	24	DECLFW(Mapper242_write)
	25	{
	26	ROM_BANK32((A>>3)&0xF);
	27	switch(V&3)
	28	{
	29	case 0:MIRROR_SET(0);break;
	30	case 1:MIRROR_SET(1);break;
	31	case 2:onemir(0);break;
	32	case 3:onemir(1);break;
	33	}
	34	}
	35
	36	void Mapper242_init(void)
	37	{
	38	ROM_BANK32(0);
	39	SetWriteHandler(0x8000,0xffff,Mapper242_write);
	40	}
	41