mapper fixes for ncpu, debug is broken atm
[fceu.git] / mappers / 246.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
24DECLFW(Mapper246_write)
25{
26 switch(A&0xF007)
27 {
c0bf6f9f 28 case 0x6000:ROM_BANK8(0x8000,V);
29 X6502_Rebase();break;
30 case 0x6001:ROM_BANK8(0xA000,V);
31 X6502_Rebase();break;
32 case 0x6002:ROM_BANK8(0xC000,V);
33 X6502_Rebase();break;
34 case 0x6003:ROM_BANK8(0xE000,V);
35 X6502_Rebase();break;
c62d2810 36 case 0x6004:VROM_BANK2(0x0000,V);break;
37 case 0x6005:VROM_BANK2(0x0800,V);break;
38 case 0x6006:VROM_BANK2(0x1000,V);break;
39 case 0x6007:VROM_BANK2(0x1800,V);break;
40 }
41}
42
43void Mapper246_init(void)
44{
45 SetWriteHandler(0x4020,0x67ff,Mapper246_write);
46 SetWriteHandler(0x8000,0xffff,Mapper246_write);
47}
48