1 /* FCE Ultra - NES/Famicom Emulator
3 * Copyright notice for this file:
4 * Copyright (C) 2005 CaH4e3
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 static uint8 hrd_flag;
28 static SFORMAT StateRegs[]=
35 static void Sync(void)
38 setprg32(0x8000,prg_reg>>6);
41 setprg16(0x8000,(prg_reg>>5)&3);
42 setprg16(0xC000,(prg_reg>>5)&3);
44 setmirror((prg_reg&8)>>3);
45 setchr8((chr_reg&3)|(prg_reg&7)|((prg_reg&0x10)>>1));
48 static DECLFR(M57Read)
53 static DECLFW(M57Write)
55 if((A&0x8800)==0x8800)
62 static void M57Power(void)
67 SetReadHandler(0x8000,0xFFFF,CartBR);
68 SetWriteHandler(0x8000,0xFFFF,M57Write);
69 SetReadHandler(0x6000,0x6000,M57Read);
73 static void M57Reset()
79 FCEU_printf("Select Register = %02x\n",hrd_flag);
82 static void StateRestore(int version)
87 void Mapper57_Init(CartInfo *info)
91 GameStateRestore=StateRestore;
92 AddExState(&StateRegs, ~0, 0, 0);