e2d0dd92 |
1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
4 | * Copyright (C) 2006 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 *CHRRAM; |
25 | static uint8 tekker; |
26 | |
27 | static void MSHCW(uint32 A, uint8 V) |
28 | { |
29 | if(EXPREGS[0]&0x40) |
30 | setchr8r(0x10,0); |
31 | else |
32 | { |
33 | if(A<0x800) |
34 | setchr1(A,V|((EXPREGS[0]&8)<<5)); |
35 | else if(A<0x1000) |
36 | setchr1(A,V|((EXPREGS[0]&4)<<6)); |
37 | else if(A<0x1800) |
38 | setchr1(A,V|((EXPREGS[0]&1)<<8)); |
39 | else |
40 | setchr1(A,V|((EXPREGS[0]&2)<<7)); |
41 | } |
42 | } |
43 | |
44 | static DECLFW(MSHWrite) |
45 | { |
46 | EXPREGS[0]=V; |
47 | FixMMC3CHR(MMC3_cmd); |
48 | } |
49 | |
50 | static DECLFR(MSHRead) |
51 | { |
52 | return(tekker); |
53 | } |
54 | |
55 | static void MSHReset(void) |
56 | { |
57 | MMC3RegReset(); |
58 | tekker^=0xFF; |
59 | } |
60 | |
61 | static void MSHPower(void) |
62 | { |
63 | tekker=0x00; |
64 | GenMMC3Power(); |
65 | SetWriteHandler(0x4100,0x4100,MSHWrite); |
66 | SetReadHandler(0x4100,0x4100,MSHRead); |
67 | } |
68 | |
69 | static void MSHClose(void) |
70 | { |
71 | if(CHRRAM) |
72 | FCEU_gfree(CHRRAM); |
73 | CHRRAM=NULL; |
74 | } |
75 | |
76 | void UNLSHeroes_Init(CartInfo *info) |
77 | { |
78 | GenMMC3_Init(info, 256, 512, 0, 0); |
79 | cwrap=MSHCW; |
80 | info->Power=MSHPower; |
81 | info->Reset=MSHReset; |
82 | info->Close=MSHClose; |
83 | CHRRAM = (uint8*)FCEU_gmalloc(8192); |
84 | SetupCartCHRMapping(0x10, CHRRAM, 8192, 1); |
85 | AddExState(EXPREGS, 4, 0, "EXPR"); |
86 | } |