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1 | /* FCE Ultra - NES/Famicom Emulator\r |
2 | *\r |
3 | * Copyright notice for this file:\r |
4 | * Copyright (C) 2005 CaH4e3\r |
5 | *\r |
6 | * This program is free software; you can redistribute it and/or modify\r |
7 | * it under the terms of the GNU General Public License as published by\r |
8 | * the Free Software Foundation; either version 2 of the License, or\r |
9 | * (at your option) any later version.\r |
10 | *\r |
11 | * This program is distributed in the hope that it will be useful,\r |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r |
14 | * GNU General Public License for more details.\r |
15 | *\r |
16 | * You should have received a copy of the GNU General Public License\r |
17 | * along with this program; if not, write to the Free Software\r |
43725da7 |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r |
386f5371 |
19 | */\r |
20 | \r |
21 | #include "mapinc.h"\r |
22 | #include "mmc3.h"\r |
23 | \r |
24 | static uint8 lut[256]={\r |
43725da7 |
25 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x49, 0x19, 0x09, 0x59, 0x49, 0x19, 0x09,\r |
26 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x51, 0x41, 0x11, 0x01, 0x51, 0x41, 0x11, 0x01,\r |
27 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x49, 0x19, 0x09, 0x59, 0x49, 0x19, 0x09,\r |
28 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x51, 0x41, 0x11, 0x01, 0x51, 0x41, 0x11, 0x01,\r |
29 | 0x00, 0x10, 0x40, 0x50, 0x00, 0x10, 0x40, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\r |
30 | 0x08, 0x18, 0x48, 0x58, 0x08, 0x18, 0x48, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\r |
31 | 0x00, 0x10, 0x40, 0x50, 0x00, 0x10, 0x40, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\r |
32 | 0x08, 0x18, 0x48, 0x58, 0x08, 0x18, 0x48, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\r |
33 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x58, 0x48, 0x18, 0x08, 0x58, 0x48, 0x18, 0x08,\r |
34 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x50, 0x40, 0x10, 0x00, 0x50, 0x40, 0x10, 0x00,\r |
35 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x58, 0x48, 0x18, 0x08, 0x58, 0x48, 0x18, 0x08,\r |
36 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x50, 0x40, 0x10, 0x00, 0x50, 0x40, 0x10, 0x00,\r |
37 | 0x01, 0x11, 0x41, 0x51, 0x01, 0x11, 0x41, 0x51, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\r |
38 | 0x09, 0x19, 0x49, 0x59, 0x09, 0x19, 0x49, 0x59, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\r |
39 | 0x01, 0x11, 0x41, 0x51, 0x01, 0x11, 0x41, 0x51, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\r |
40 | 0x09, 0x19, 0x49, 0x59, 0x09, 0x19, 0x49, 0x59, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\r |
386f5371 |
41 | };\r |
42 | \r |
43 | static void M208PW(uint32 A, uint8 V)\r |
44 | {\r |
45 | setprg32(0x8000,EXPREGS[5]);\r |
46 | }\r |
47 | \r |
48 | static DECLFW(M208Write)\r |
49 | {\r |
50 | EXPREGS[5]=(V&0x1)|((V>>3)&0x2);\r |
51 | FixMMC3PRG(MMC3_cmd);\r |
52 | }\r |
53 | \r |
54 | static DECLFW(M208ProtWrite)\r |
55 | {\r |
56 | if(A<=0x57FF)\r |
57 | EXPREGS[4]=V;\r |
58 | else\r |
59 | EXPREGS[(A&0x03)]=V^lut[EXPREGS[4]];\r |
60 | }\r |
61 | \r |
62 | static DECLFR(M208ProtRead)\r |
63 | {\r |
64 | return(EXPREGS[(A&0x3)]);\r |
65 | }\r |
66 | \r |
67 | static void M208Power(void)\r |
68 | {\r |
69 | EXPREGS[5]=3;\r |
70 | GenMMC3Power();\r |
71 | SetWriteHandler(0x4800,0x4FFF,M208Write);\r |
72 | SetWriteHandler(0x5000,0x5fff,M208ProtWrite);\r |
73 | SetReadHandler(0x5800,0x5FFF,M208ProtRead);\r |
74 | SetReadHandler(0x8000,0xffff,CartBR);\r |
75 | }\r |
76 | \r |
77 | void Mapper208_Init(CartInfo *info)\r |
78 | {\r |
79 | GenMMC3_Init(info, 128, 256, 0, 0);\r |
80 | pwrap=M208PW;\r |
81 | info->Power=M208Power;\r |
82 | AddExState(EXPREGS, 6, 0, "EXPR");\r |
83 | }\r |