fceux/mappers/77.cpp

55 lines
1.3 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"
/* Original code provided by LULU */
static DECLFW(Mapper77_write)
{
mapbyte1[0]=V;
ROM_BANK32(V&0x7);
VROM_BANK2(0x0000, (V&0xf0)>>4);
}
static void Mapper77_StateRestore(int version)
{
int x;
if(version>=7200)
{
ROM_BANK32(mapbyte1[0]&0x7);
VROM_BANK2(0x0000, (mapbyte1[0]&0xf0)>>4);
}
for(x=2;x<8;x++)
VRAM_BANK1(x*0x400,x);
}
void Mapper77_init(void)
{
int x;
ROM_BANK32(0);
for(x=2;x<8;x++)
VRAM_BANK1(x*0x400,x);
SetWriteHandler(0x6000,0xffff,Mapper77_write);
MapStateRestore=Mapper77_StateRestore;
}