mapper fixes for ncpu, debug is broken atm

[fceu.git] / mappers / 242.c

/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 2002 Ben Parnell
 *
 * 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);
  X6502_Rebase();
  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);
}