1 /* FCE Ultra - NES/Famicom Emulator
3 * Copyright notice for this file:
4 * Copyright (C) 2002 Ben Parnell
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
25 DECLFW(Mapper112_write)
29 case 0xe000:MIRROR_SET(V&1);break;
30 case 0x8000:mapbyte1[0]=V;break;
31 case 0xa000:switch(mapbyte1[0])
33 case 0:ROM_BANK8(0x8000,V);break;
34 case 1:ROM_BANK8(0xA000,V);break;
35 case 2: V&=0xFE;VROM_BANK1(0,V);
36 VROM_BANK1(0x400,(V+1));break;
37 case 3: V&=0xFE;VROM_BANK1(0x800,V);
38 VROM_BANK1(0xC00,(V+1));break;
39 case 4:VROM_BANK1(0x1000,V);break;
40 case 5:VROM_BANK1(0x1400,V);break;
41 case 6:VROM_BANK1(0x1800,V);break;
42 case 7:VROM_BANK1(0x1c00,V);break;
49 void Mapper112_init(void)
51 SetWriteHandler(0x8000,0xffff,Mapper112_write);