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
24 static void M189PW(uint32 A, uint8 V)
26 setprg32(0x8000,EXPREGS[0]&3);
29 static DECLFW(M189Write)
31 EXPREGS[0]=V|(V>>4); //actually, there is a two versions of 189 mapper with hi or lo bits bankswitching.
35 static void M189Power(void)
37 EXPREGS[0]=EXPREGS[1]=0;
39 SetWriteHandler(0x4120,0x7FFF,M189Write);
42 void Mapper189_Init(CartInfo *info)
44 GenMMC3_Init(info, 256, 256, 0, 0);
46 info->Power=M189Power;
47 AddExState(EXPREGS, 2, 0, "EXPR");