mapper fixes for ncpu, debug is broken atm
[fceu.git] / mappers / 229.c
CommitLineData
c62d2810 1/* FCE Ultra - NES/Famicom Emulator
2 *
3 * Copyright notice for this file:
4 * Copyright (C) 2002 Ben Parnell
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
23
24
25DECLFW(Mapper229_write)
26{
27if(A>=0x8000)
28{
29MIRROR_SET((A>>5)&1);
30if(!(A&0x1e))
31 {
32 ROM_BANK32(0);
33 }
34else
35 {
36 ROM_BANK16(0x8000,A&0x1f);
37 ROM_BANK16(0xC000,A&0x1f);
38 }
39 VROM_BANK8(A);
c0bf6f9f 40 X6502_Rebase();
c62d2810 41}
42
43}
44
45void Mapper229_init(void)
46{
47 SetWriteHandler(0x8000,0xffff,Mapper229_write);
48}
49