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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 |
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20 | * BMC 42-in-1 "reset switch" type\r |
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21 | */\r |
22 | \r |
23 | #include "mapinc.h"\r |
24 | \r |
25 | static uint8 bank_mode;\r |
26 | static uint8 bank_value;\r |
27 | static uint8 prgb[4];\r |
28 | static SFORMAT StateRegs[]=\r |
29 | {\r |
30 | {0}\r |
31 | };\r |
32 | \r |
33 | static void Sync(void)\r |
34 | {\r |
35 | FCEU_printf("%02x: %02x %02x\n", bank_mode, bank_value, prgb[0]); \r |
36 | switch(bank_mode&7)\r |
37 | {\r |
38 | case 0:\r |
39 | setprg32(0x8000,bank_value&7); break;\r |
40 | case 1:\r |
41 | setprg16(0x8000,((8+(bank_value&7))>>1)+prgb[1]);\r |
42 | setprg16(0xC000,(bank_value&7)>>1);\r |
43 | case 4:\r |
44 | setprg32(0x8000,8+(bank_value&7)); break;\r |
45 | case 5:\r |
46 | setprg16(0x8000,((8+(bank_value&7))>>1)+prgb[1]);\r |
47 | setprg16(0xC000,((8+(bank_value&7))>>1)+prgb[3]);\r |
48 | case 2:\r |
49 | setprg8(0x8000,prgb[0]>>2);\r |
50 | setprg8(0xa000,prgb[1]);\r |
51 | setprg8(0xc000,prgb[2]);\r |
52 | setprg8(0xe000,~0);\r |
53 | break;\r |
54 | case 3:\r |
55 | setprg8(0x8000,prgb[0]);\r |
56 | setprg8(0xa000,prgb[1]);\r |
57 | setprg8(0xc000,prgb[2]);\r |
58 | setprg8(0xe000,prgb[3]);\r |
59 | break;\r |
60 | }\r |
61 | }\r |
62 | \r |
63 | static DECLFW(BMC13in1JY110Write)\r |
64 | {\r |
65 | FCEU_printf("%04x:%04x\n",A,V);\r |
66 | switch(A)\r |
67 | {\r |
68 | case 0x8000:\r |
69 | case 0x8001:\r |
70 | case 0x8002:\r |
71 | case 0x8003: prgb[A&3]=V; break;\r |
72 | case 0xD000: bank_mode=V; break;\r |
73 | case 0xD001: setmirror(V&3);\r |
74 | case 0xD002: break;\r |
75 | case 0xD003: bank_value=V; break;\r |
76 | }\r |
77 | Sync();\r |
78 | }\r |
79 | \r |
80 | static void BMC13in1JY110Power(void)\r |
81 | {\r |
82 | prgb[0]=prgb[1]=prgb[2]=prgb[3]=0;\r |
83 | bank_mode=0;\r |
84 | bank_value=0;\r |
85 | setprg32(0x8000,0);\r |
86 | setchr8(0);\r |
87 | SetWriteHandler(0x8000,0xFFFF,BMC13in1JY110Write);\r |
88 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
89 | }\r |
90 | \r |
91 | static void StateRestore(int version)\r |
92 | {\r |
93 | Sync();\r |
94 | }\r |
95 | \r |
96 | void BMC13in1JY110_Init(CartInfo *info)\r |
97 | {\r |
98 | info->Power=BMC13in1JY110Power;\r |
99 | AddExState(&StateRegs, ~0, 0, 0);\r |
100 | GameStateRestore=StateRestore;\r |
101 | }\r |
102 | \r |
103 | \r |