1 /* FCE Ultra - NES/Famicom Emulator
3 * Copyright notice for this file:
4 * Copyright (C) 2003 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 #define rom_sw mapbyte1[0]
25 void Mapper230_Reset(void)
27 rom_sw ^= 1; //1 - rom_sw;
34 ROM_BANK16(0xc000,39);
39 static DECLFW(Mapper230_write)
42 ROM_BANK16( 0x8000, V&0x07 );
45 ROM_BANK16( 0x8000, (V&0x1F)+8 );
46 ROM_BANK16( 0xc000, (V&0x1F)+8 );
48 ROM_BANK32( ((V&0x1E) >> 1) + 4 );
50 MIRROR_SET2( ((V & 0x40) >> 6) );
54 void Mapper230_init(void)
58 SetWriteHandler(0x8000, 0xffff, Mapper230_write);
59 MapperReset = Mapper230_Reset;