1 /* FCE Ultra - NES/Famicom Emulator
3 * Copyright notice for this file:
4 * Copyright (C) 2011 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
23 static uint8 prg_perm[4][4] = {
30 static uint8 chr_perm[8][8] = {
31 {0, 1, 2, 3, 4, 5, 6, 7,},
32 {0, 2, 1, 3, 4, 6, 5, 7,},
33 {0, 1, 4, 5, 2, 3, 6, 7,},
34 {0, 4, 1, 5, 2, 6, 3, 7,},
35 {0, 4, 2, 6, 1, 5, 3, 7,},
36 {0, 2, 4, 6, 1, 3, 5, 7,},
37 {7, 6, 5, 4, 3, 2, 1, 0,},
38 {7, 6, 5, 4, 3, 2, 1, 0,},
41 static DECLFW(Mapper244_write)
44 VROM_BANK8(chr_perm[(V>>4)&7][V&7]);
46 ROM_BANK32(prg_perm[(V>>4)&3][V&3]);
49 void Mapper244_init(void)
52 SetWriteHandler(0x8000,0xffff,Mapper244_write);