fceugx/source/fceultra/mbshare/164.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 uint8 cmd;
static uint8 DRegs[8];

static SFORMAT StateRegs[]=
{
	{&cmd, 1, "CMD"},
	{DRegs, 8, "DREG"},
	{0}
};

static void Sync(void)
{


}

static void StateRestore(int version)
{
 Sync();
}

static DECLFW(Write)
{
 if((A&0x7300)==0x5000)
  setprg32(0x8000,V);
 //else
 //if(A==0x5200)
 // printf("$%04x:$%02x\n",A,V);
}

static uint8 WRAM[8192];
static DECLFR(AWRAM)
{
 return(WRAM[A-0x6000]);
}

static DECLFW(BWRAM)
{
 WRAM[A-0x6000]=V;
}

static void Power(void)
{
 setchr8(0);
 setprg32(0x8000,~0);
 cmd=0;
 memset(DRegs,0,8);
 Sync();
 SetReadHandler(0x8000,0xFFFF,CartBR);
 SetWriteHandler(0x4020,0xFFFF,Write);
 SetReadHandler(0x6000,0x7FFF,AWRAM);
 SetWriteHandler(0x6000,0x7FFF,BWRAM);
}


void Mapper164_Init(CartInfo *info)
{
 info->Power=Power;
 GameStateRestore=StateRestore;
 AddExState(&StateRegs, ~0, 0, 0);
}