e2d0dd92 |
1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
4 | * Copyright (C) 2005 CaH4e3 |
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 uint16 addrlatche; |
24 | |
25 | static void Sync(void) |
26 | { |
27 | if(addrlatche&0x40) |
28 | { |
29 | setprg16(0x8000,addrlatche&7); |
30 | setprg16(0xC000,addrlatche&7); |
31 | } |
32 | else |
33 | setprg32(0x8000,(addrlatche>>1)&3); |
34 | setchr8((addrlatche>>3)&7); |
35 | setmirror(((addrlatche&0x80)>>7)^1); |
36 | } |
37 | |
38 | static DECLFW(BMCGK192Write) |
39 | { |
40 | addrlatche=A; |
41 | Sync(); |
42 | } |
43 | |
44 | static void BMCGK192Reset(void) |
45 | { |
46 | setprg32(0x8000,0); |
47 | } |
48 | |
49 | static void BMCGK192Power(void) |
50 | { |
51 | setprg32(0x8000,0); |
52 | SetReadHandler(0x8000,0xFFFF,CartBR); |
53 | SetWriteHandler(0x8000,0xffff,BMCGK192Write); |
54 | } |
55 | |
56 | static void StateRestore(int version) |
57 | { |
58 | Sync(); |
59 | } |
60 | |
61 | void Mapper58_Init(CartInfo *info) |
62 | { |
63 | info->Power=BMCGK192Power; |
64 | info->Reset=BMCGK192Reset; |
65 | GameStateRestore=StateRestore; |
66 | AddExState(&addrlatche, 2, 0, "ALATC"); |
67 | } |