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1 | /* FCE Ultra - NES/Famicom Emulator\r |
2 | *\r |
3 | * Copyright notice for this file:\r |
4 | * Copyright (C) 2011 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 |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r |
19 | *\r |
20 | * FDS Conversion\r |
21 | *\r |
22 | */\r |
23 | \r |
24 | #include "mapinc.h"\r |
25 | \r |
26 | static uint8 reg, mirr;\r |
27 | \r |
28 | static SFORMAT StateRegs[]=\r |
29 | {\r |
30 | {®, 1, "REG"},\r |
31 | {&mirr, 1, "MIRR"},\r |
32 | {0}\r |
33 | };\r |
34 | \r |
35 | static void Sync(void)\r |
36 | {\r |
37 | setprg8(0x6000, reg);\r |
38 | setprg32r(1, 0x8000, 0);\r |
39 | setchr8(0);\r |
40 | setmirror(mirr);\r |
41 | }\r |
42 | \r |
43 | static DECLFW(AC08Mirr)\r |
44 | {\r |
45 | mirr = ((V&8)>>3)^1;\r |
46 | Sync();\r |
47 | }\r |
48 | \r |
49 | static DECLFW(AC08Write)\r |
50 | {\r |
51 | if(A == 0x8001) // Green Berret bank switching is only 100x xxxx xxxx xxx1 mask\r |
52 | reg = (V >> 1) & 0xf;\r |
53 | else\r |
54 | reg = V & 0xf; // Sad But True, 2-in-1 mapper, Green Berret need value shifted left one byte, Castlevania doesn't\r |
55 | Sync();\r |
56 | }\r |
57 | \r |
58 | static void AC08Power(void)\r |
59 | {\r |
60 | reg = 0;\r |
61 | Sync();\r |
62 | SetReadHandler(0x6000,0xFFFF,CartBR);\r |
63 | SetWriteHandler(0x4025,0x4025,AC08Mirr);\r |
64 | SetWriteHandler(0x8000,0xFFFF,AC08Write);\r |
65 | }\r |
66 | \r |
67 | static void StateRestore(int version)\r |
68 | {\r |
69 | Sync();\r |
70 | }\r |
71 | \r |
72 | void AC08_Init(CartInfo *info)\r |
73 | {\r |
74 | info->Power=AC08Power;\r |
75 | GameStateRestore=StateRestore;\r |
76 | AddExState(&StateRegs, ~0, 0, 0);\r |
77 | }\r |