random warning fixes
[fceu.git] / mappers / 202.c
... / ...
CommitLineData
1/* FCE Ultra - NES/Famicom Emulator
2 *
3 * Copyright notice for this file:
4 * Copyright (C) 2003 Xodnizel
5 *
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.
10 *
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.
15 *
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
19 */
20
21#include "mapinc.h"
22
23static DECLFW(Mapper202_write)
24{
25 int tmp=(A>>1)&0x7;
26
27 MIRROR_SET(A&1);
28 ROM_BANK16(0x8000,tmp);
29 ROM_BANK16(0xc000,tmp+(((tmp&0x6)==0x6)?1:0));
30 VROM_BANK8(tmp);
31}
32
33void Mapper202_init(void)
34{
35 ROM_BANK16(0x8000,0);
36 ROM_BANK16(0xc000,0);
37 VROM_BANK8(0);
38 SetWriteHandler(0x8000,0xFFFF,Mapper202_write);
39}