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1 | /* FCE Ultra - NES/Famicom Emulator\r |
2 | *\r |
3 | * Copyright notice for this file:\r |
4 | * Copyright (C) 2007 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 |
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18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r |
19 | *\r |
20 | * FDS Conversion\r |
21 | *\r |
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22 | */\r |
23 | \r |
24 | #include "mapinc.h"\r |
25 | \r |
26 | static uint8 reg;\r |
27 | \r |
28 | static SFORMAT StateRegs[]=\r |
29 | {\r |
30 | {®, 1, "REG"},\r |
31 | {0}\r |
32 | };\r |
33 | \r |
34 | static void Sync(void)\r |
35 | {\r |
36 | setprg8(0x6000,reg);\r |
37 | setprg32(0x8000,2);\r |
38 | setchr8(0);\r |
39 | }\r |
40 | \r |
41 | static DECLFW(M120Write)\r |
42 | {\r |
43 | if(A==0x41FF)\r |
44 | {\r |
45 | reg=V&7;\r |
46 | Sync();\r |
47 | }\r |
48 | }\r |
49 | \r |
50 | static void M120Power(void)\r |
51 | {\r |
52 | reg=0;\r |
53 | Sync();\r |
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54 | SetReadHandler(0x6000,0xFFFF,CartBR);\r |
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55 | SetWriteHandler(0x4100,0x5FFF,M120Write);\r |
56 | }\r |
57 | \r |
58 | static void StateRestore(int version)\r |
59 | {\r |
60 | Sync();\r |
61 | }\r |
62 | \r |
63 | void Mapper120_Init(CartInfo *info)\r |
64 | {\r |
65 | info->Power=M120Power;\r |
66 | GameStateRestore=StateRestore;\r |
67 | AddExState(&StateRegs, ~0, 0, 0);\r |
68 | }\r |