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 | #include "mmc3.h" |
23 | |
24 | //static uint8 m_perm[8] = {0, 1, 0, 3, 0, 5, 6, 7}; |
25 | |
26 | static void UNLSonicPW(uint32 A, uint8 V) |
27 | { |
28 | if(EXPREGS[0]&0x80) |
29 | { |
30 | uint8 bank=EXPREGS[0]&0x1F; |
31 | if(EXPREGS[0]&0x20) |
32 | setprg32(0x8000,bank>>2); |
33 | else |
34 | { |
35 | setprg16(0x8000,bank); |
36 | setprg16(0xC000,bank); |
37 | } |
38 | } |
39 | else |
40 | setprg8(A,V&0x3F); |
41 | } |
42 | |
43 | /* |
44 | static DECLFW(UNLSonicWrite8000) |
45 | { |
46 | if(V&0x80) |
47 | MMC3_CMDWrite(A,V); |
48 | else |
49 | MMC3_CMDWrite(A,m_perm[V&7]); |
50 | } |
51 | */ |
52 | |
53 | static DECLFW(UNLSonicWriteLo) |
54 | { |
55 | EXPREGS[0]=V; |
56 | FixMMC3PRG(MMC3_cmd); |
57 | } |
58 | |
59 | static void UNLSonicPower(void) |
60 | { |
61 | EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=0; |
62 | GenMMC3Power(); |
63 | SetWriteHandler(0x5000,0x5FFF,UNLSonicWriteLo); |
64 | // SetWriteHandler(0x8000,0x8000,UNLSonicWrite8000); |
65 | } |
66 | |
67 | void UNLSonic_Init(CartInfo *info) |
68 | { |
69 | GenMMC3_Init(info, 256, 256, 0, 0); |
70 | pwrap=UNLSonicPW; |
71 | info->Power=UNLSonicPower; |
72 | AddExState(EXPREGS, 3, 0, "EXPR"); |
73 | } |