fceux/mappers/79.c

41 lines
1.1 KiB
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(Mapper79_write)
{
if(A<0x8000 && ((A^0x4100)==0))
{
ROM_BANK32((V>>3)&1);
}
VROM_BANK8(V);
}
void Mapper79_init(void)
{
ROM_BANK32(~0);
SetWriteHandler(0x8000,0xffff,Mapper79_write);
SetWriteHandler(0x4020,0x5fff,Mapper79_write);
}