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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 |
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18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r |
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19 | */\r |
20 | \r |
21 | #include "mapinc.h"\r |
22 | #include "mmc3.h"\r |
23 | \r |
24 | extern uint8 m114_perm[8];\r |
25 | \r |
26 | static void H2288PW(uint32 A, uint8 V)\r |
27 | {\r |
28 | if(EXPREGS[0]&0x40)\r |
29 | {\r |
30 | uint8 bank=(EXPREGS[0]&5)|((EXPREGS[0]&8)>>2)|((EXPREGS[0]&0x20)>>2);\r |
31 | if(EXPREGS[0]&2)\r |
32 | setprg32(0x8000,bank>>1);\r |
33 | else\r |
34 | {\r |
35 | setprg16(0x8000,bank);\r |
36 | setprg16(0xC000,bank);\r |
37 | }\r |
38 | }\r |
39 | else\r |
40 | setprg8(A,V&0x3F);\r |
41 | }\r |
42 | \r |
43 | static DECLFW(H2288WriteHi)\r |
44 | {\r |
45 | switch (A&0x8001)\r |
46 | {\r |
47 | case 0x8000: MMC3_CMDWrite(0x8000,(V&0xC0)|(m114_perm[V&7])); break;\r |
48 | case 0x8001: MMC3_CMDWrite(0x8001,V); break;\r |
49 | }\r |
50 | }\r |
51 | \r |
52 | static DECLFW(H2288WriteLo)\r |
53 | {\r |
54 | if(A&0x800)\r |
55 | {\r |
56 | if(A&1)\r |
57 | EXPREGS[1]=V;\r |
58 | else\r |
59 | EXPREGS[0]=V;\r |
60 | FixMMC3PRG(MMC3_cmd);\r |
61 | }\r |
62 | }\r |
63 | \r |
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64 | static void H2288Power(void)\r |
65 | {\r |
66 | EXPREGS[0]=EXPREGS[1]=0;\r |
67 | GenMMC3Power();\r |
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68 | // SetReadHandler(0x5000,0x5FFF,H2288Read);\r |
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69 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
70 | SetWriteHandler(0x5000,0x5FFF,H2288WriteLo);\r |
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71 | SetWriteHandler(0x8000,0x9FFF,H2288WriteHi);\r |
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72 | }\r |
73 | \r |
74 | void UNLH2288_Init(CartInfo *info)\r |
75 | {\r |
76 | GenMMC3_Init(info, 256, 256, 0, 0);\r |
77 | pwrap=H2288PW;\r |
78 | info->Power=H2288Power;\r |
79 | AddExState(EXPREGS, 2, 0, "EXPR");\r |
80 | }\r |