menu and controls wip..

[fceu.git] / mappers / 58.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"

static DECLFW(M58Write)
{
 //printf("$%04x:$%02x\n",A,V);
 if(A&0x40)
 {
  ROM_BANK16(0x8000,(A&0x07));
  ROM_BANK16(0xc000,(A&0x07));
 }
 else
  ROM_BANK32((A&0x06)>>1);

 VROM_BANK8((A&0x38)>>3);
 MIRROR_SET2((V&2)>>1);
}

void Mapper58_init(void)
{
 ROM_BANK32(0);
 VROM_BANK8(0);
 SetWriteHandler(0x8000,0xFFFF,M58Write);
}