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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 |
19 | *\r |
20 | * A98402 board, A9711, A9746 similar\r |
21 | * King of Fighters 96, The (Unl), Street Fighter Zero 2 (Unl)\r |
22 | * \r |
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23 | */\r |
24 | \r |
25 | #include "mapinc.h"\r |
26 | #include "mmc3.h"\r |
27 | \r |
28 | static void M187CW(uint32 A, uint8 V)\r |
29 | {\r |
30 | if((A&0x1000)==((MMC3_cmd&0x80)<<5))\r |
31 | setchr1(A,V|0x100);\r |
32 | else\r |
33 | setchr1(A,V);\r |
34 | }\r |
35 | \r |
36 | static void M187PW(uint32 A, uint8 V)\r |
37 | {\r |
38 | if(EXPREGS[0]&0x80)\r |
39 | {\r |
40 | uint8 bank=EXPREGS[0]&0x1F;\r |
41 | if(EXPREGS[0]&0x20)\r |
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42 | {\r |
43 | if(EXPREGS[0]&0x40)\r |
44 | setprg32(0x8000,bank>>2);\r |
45 | else\r |
46 | setprg32(0x8000,bank>>1); // hacky hacky! two mappers in one! need real hw carts to test\r |
47 | }\r |
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48 | else\r |
49 | {\r |
50 | setprg16(0x8000,bank);\r |
51 | setprg16(0xC000,bank);\r |
52 | }\r |
53 | }\r |
54 | else\r |
55 | setprg8(A,V&0x3F);\r |
56 | }\r |
57 | \r |
58 | static DECLFW(M187Write8000)\r |
59 | {\r |
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60 | EXPREGS[1]=1;\r |
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61 | MMC3_CMDWrite(A,V);\r |
62 | }\r |
63 | \r |
64 | static DECLFW(M187Write8001)\r |
65 | {\r |
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66 | if(EXPREGS[1])\r |
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67 | MMC3_CMDWrite(A,V);\r |
68 | }\r |
69 | \r |
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70 | static DECLFW(M187WriteLo)\r |
71 | {\r |
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72 | if((A==0x5000)||(A==0x6000))\r |
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73 | {\r |
74 | EXPREGS[0]=V;\r |
75 | FixMMC3PRG(MMC3_cmd);\r |
76 | }\r |
77 | }\r |
78 | \r |
79 | static uint8 prot_data[4] = { 0x83, 0x83, 0x42, 0x00 };\r |
80 | static DECLFR(M187Read)\r |
81 | {\r |
82 | return prot_data[EXPREGS[1]&3];\r |
83 | }\r |
84 | \r |
85 | static void M187Power(void)\r |
86 | {\r |
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87 | EXPREGS[0]=EXPREGS[1]=0;\r |
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88 | GenMMC3Power();\r |
89 | SetReadHandler(0x5000,0x5FFF,M187Read);\r |
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90 | SetWriteHandler(0x5000,0x6FFF,M187WriteLo);\r |
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91 | SetWriteHandler(0x8000,0x8000,M187Write8000);\r |
92 | SetWriteHandler(0x8001,0x8001,M187Write8001);\r |
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93 | }\r |
94 | \r |
95 | void Mapper187_Init(CartInfo *info)\r |
96 | {\r |
97 | GenMMC3_Init(info, 256, 256, 0, 0);\r |
98 | pwrap=M187PW;\r |
99 | cwrap=M187CW;\r |
100 | info->Power=M187Power;\r |
101 | AddExState(EXPREGS, 3, 0, "EXPR");\r |
102 | }\r |