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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[8], mirror;\r |
27 | static SFORMAT StateRegs[]=\r |
28 | {\r |
29 | {reg, 8, "PRG"},\r |
30 | {&mirror, 1, "MIRR"},\r |
31 | {0}\r |
32 | };\r |
33 | \r |
34 | static void Sync(void)\r |
35 | {\r |
36 | setprg2(0x6000,reg[4]);\r |
37 | setprg2(0x6800,reg[5]);\r |
38 | setprg2(0x7000,reg[6]);\r |
39 | setprg2(0x7800,reg[7]);\r |
40 | setprg2(0x8000,reg[0]);\r |
41 | setprg2(0x8800,reg[1]);\r |
42 | setprg2(0x9000,reg[2]);\r |
43 | setprg2(0x9800,reg[3]);\r |
44 | setprg8(0xA000,0xd);\r |
45 | setprg16(0xC000,7);\r |
46 | setchr8(0);\r |
47 | setmirror(mirror);\r |
48 | }\r |
49 | \r |
50 | static DECLFW(UNLKS7057Write)\r |
51 | {\r |
52 | switch(A&0xF003) {\r |
53 | case 0x8000:\r |
54 | case 0x8001:\r |
55 | case 0x8002:\r |
56 | case 0x8003:\r |
57 | case 0x9000: \r |
58 | case 0x9001: \r |
59 | case 0x9002: \r |
60 | case 0x9003: mirror = V & 1; Sync(); break;\r |
61 | case 0xB000: reg[0] = (reg[0] & 0xF0) | (V & 0x0F); Sync(); break;\r |
62 | case 0xB001: reg[0] = (reg[0] & 0x0F) | (V << 4); Sync(); break;\r |
63 | case 0xB002: reg[1] = (reg[1] & 0xF0) | (V & 0x0F); Sync(); break;\r |
64 | case 0xB003: reg[1] = (reg[1] & 0x0F) | (V << 4); Sync(); break;\r |
65 | case 0xC000: reg[2] = (reg[2] & 0xF0) | (V & 0x0F); Sync(); break;\r |
66 | case 0xC001: reg[2] = (reg[2] & 0x0F) | (V << 4); Sync(); break;\r |
67 | case 0xC002: reg[3] = (reg[3] & 0xF0) | (V & 0x0F); Sync(); break;\r |
68 | case 0xC003: reg[3] = (reg[3] & 0x0F) | (V << 4); Sync(); break;\r |
69 | case 0xD000: reg[4] = (reg[4] & 0xF0) | (V & 0x0F); Sync(); break;\r |
70 | case 0xD001: reg[4] = (reg[4] & 0x0F) | (V << 4); Sync(); break;\r |
71 | case 0xD002: reg[5] = (reg[5] & 0xF0) | (V & 0x0F); Sync(); break;\r |
72 | case 0xD003: reg[5] = (reg[5] & 0x0F) | (V << 4); Sync(); break;\r |
73 | case 0xE000: reg[6] = (reg[6] & 0xF0) | (V & 0x0F); Sync(); break;\r |
74 | case 0xE001: reg[6] = (reg[6] & 0x0F) | (V << 4); Sync(); break;\r |
75 | case 0xE002: reg[7] = (reg[7] & 0xF0) | (V & 0x0F); Sync(); break;\r |
76 | case 0xE003: reg[7] = (reg[7] & 0x0F) | (V << 4); Sync(); break;\r |
77 | }\r |
78 | }\r |
79 | \r |
80 | static void UNLKS7057Power(void)\r |
81 | {\r |
82 | Sync();\r |
83 | SetReadHandler(0x6000,0xFFFF,CartBR);\r |
84 | SetWriteHandler(0x8000,0xFFFF,UNLKS7057Write);\r |
85 | }\r |
86 | \r |
87 | static void UNLKS7057Reset(void)\r |
88 | {\r |
89 | Sync();\r |
90 | }\r |
91 | \r |
92 | void UNLKS7057_Init(CartInfo *info)\r |
93 | {\r |
94 | info->Power=UNLKS7057Power;\r |
95 | info->Reset=UNLKS7057Reset;\r |
96 | AddExState(&StateRegs, ~0, 0, 0);\r |
97 | }\r |