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 | static void Synco(void) |
24 | { |
25 | ROM_BANK8(0x8000,mapbyte2[0]); |
26 | ROM_BANK8(0xA000,mapbyte2[1]); |
27 | ROM_BANK8(0xc000,0x3e); |
28 | ROM_BANK8(0xe000,0x3f); |
29 | } |
30 | static DECLFW(Mapper245_write) |
31 | { |
32 | switch(A&0xe001) |
33 | { |
34 | case 0xa000:mapbyte1[1]=V;Synco();break; |
35 | case 0x8000:mapbyte1[0]=V;break; |
36 | case 0x8001:switch(mapbyte1[0]&7) |
37 | { |
38 | // default:printf("ark\n");break; |
39 | case 6:mapbyte2[0]=V;Synco();break; |
40 | case 7:mapbyte2[1]=V;Synco();break; |
41 | }break; |
42 | //case 0xa001:MIRROR_SET2(V>>7);break; |
43 | } |
44 | // printf("$%04x:$%02x\n",A,V); |
45 | } |
46 | |
47 | void Mapper245_init(void) |
48 | { |
49 | SetWriteHandler(0x8000,0xffff,Mapper245_write); |
50 | } |
51 | |