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 | extern uint8 m114_perm[8]; |
25 | |
26 | static void H2288PW(uint32 A, uint8 V) |
27 | { |
28 | if(EXPREGS[0]&0x40) |
29 | { |
30 | uint8 bank=(EXPREGS[0]&5)|((EXPREGS[0]&8)>>2)|((EXPREGS[0]&0x20)>>2); |
31 | if(EXPREGS[0]&2) |
32 | setprg32(0x8000,bank>>1); |
33 | else |
34 | { |
35 | setprg16(0x8000,bank); |
36 | setprg16(0xC000,bank); |
37 | } |
38 | } |
39 | else |
40 | setprg8(A,V&0x3F); |
41 | } |
42 | |
43 | static DECLFW(H2288WriteHi) |
44 | { |
45 | switch (A&0x8001) |
46 | { |
47 | case 0x8000: MMC3_CMDWrite(0x8000,(V&0xC0)|(m114_perm[V&7])); break; |
48 | case 0x8001: MMC3_CMDWrite(0x8001,V); break; |
49 | } |
50 | } |
51 | |
52 | static DECLFW(H2288WriteLo) |
53 | { |
54 | if(A&0x800) |
55 | { |
56 | if(A&1) |
57 | EXPREGS[1]=V; |
58 | else |
59 | EXPREGS[0]=V; |
60 | FixMMC3PRG(MMC3_cmd); |
61 | } |
62 | } |
63 | |
64 | static DECLFR(H2288Read) |
65 | { |
66 | int bit; |
67 | bit=(A&1)^1; |
68 | bit&=((A>>8)&1); |
69 | bit^=1; |
70 | return((X.DB&0xFE)|bit); |
71 | } |
72 | |
73 | static void H2288Power(void) |
74 | { |
75 | EXPREGS[0]=EXPREGS[1]=0; |
76 | GenMMC3Power(); |
77 | SetReadHandler(0x5000,0x5FFF,H2288Read); |
78 | SetReadHandler(0x8000,0xFFFF,CartBR); |
79 | SetWriteHandler(0x5000,0x5FFF,H2288WriteLo); |
80 | SetWriteHandler(0x8000,0x8FFF,H2288WriteHi); |
81 | } |
82 | |
83 | void UNLH2288_Init(CartInfo *info) |
84 | { |
85 | GenMMC3_Init(info, 256, 256, 0, 0); |
86 | pwrap=H2288PW; |
87 | info->Power=H2288Power; |
88 | AddExState(EXPREGS, 2, 0, "EXPR"); |
89 | } |