43725da7 |
1 | /* FCE Ultra - NES/Famicom Emulator\r |
2 | *\r |
3 | * Copyright notice for this file:\r |
4 | * Copyright (C) 2007 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 | * Logical bank layot 32 K BANK 0, 64K BANK 1, 32K ~0 hardwired, 8K is missing\r |
23 | * need redump from MASKROM!\r |
24 | * probably need refix mapper after hard dump\r |
25 | *\r |
26 | */\r |
27 | \r |
28 | #include "mapinc.h"\r |
29 | \r |
30 | static uint8 reg0, reg1;\r |
31 | static uint8 *WRAM=NULL;\r |
32 | static uint32 WRAMSIZE;\r |
33 | \r |
34 | static SFORMAT StateRegs[]=\r |
35 | {\r |
36 | {®0, 1, "REG0"},\r |
37 | {®1, 1, "REG1"},\r |
38 | {0}\r |
39 | };\r |
40 | \r |
41 | static void Sync(void)\r |
42 | {\r |
43 | setchr8(0);\r |
44 | setprg32(0x8000,~0);\r |
45 | setprg4(0xb800,reg0);\r |
46 | setprg4(0xc800,8+reg1);\r |
47 | }\r |
48 | \r |
49 | // 6000 - 6BFF - RAM\r |
50 | // 6C00 - 6FFF - BANK 1K REG1\r |
51 | // 7000 - 7FFF - BANK 4K REG0\r |
52 | \r |
53 | static DECLFW(UNLKS7030RamWrite0)\r |
54 | {\r |
55 | if((A >= 0x6000) && A <= 0x6BFF) {\r |
56 | WRAM[A-0x6000]=V;\r |
57 | } else if((A >= 0x6C00) && A <= 0x6FFF) {\r |
58 | CartBW(0xC800 + (A - 0x6C00), V);\r |
59 | } else if((A >= 0x7000) && A <= 0x7FFF) {\r |
60 | CartBW(0xB800 + (A - 0x7000), V);\r |
61 | }\r |
62 | }\r |
63 | \r |
64 | static DECLFR(UNLKS7030RamRead0)\r |
65 | {\r |
66 | if((A >= 0x6000) && A <= 0x6BFF) {\r |
67 | return WRAM[A-0x6000];\r |
68 | } else if((A >= 0x6C00) && A <= 0x6FFF) {\r |
69 | return CartBR(0xC800 + (A - 0x6C00));\r |
70 | } else if((A >= 0x7000) && A <= 0x7FFF) {\r |
71 | return CartBR(0xB800 + (A - 0x7000));\r |
72 | }\r |
73 | return 0;\r |
74 | }\r |
75 | \r |
76 | // B800 - BFFF - RAM\r |
77 | // C000 - CBFF - BANK 3K\r |
78 | // CC00 - D7FF - RAM\r |
79 | \r |
80 | static DECLFW(UNLKS7030RamWrite1)\r |
81 | {\r |
82 | if((A >= 0xB800) && A <= 0xBFFF) {\r |
83 | WRAM[0x0C00+(A-0xB800)]=V;\r |
84 | } else if((A >= 0xC000) && A <= 0xCBFF) {\r |
85 | CartBW(0xCC00 + (A - 0xC000), V);\r |
86 | } else if((A >= 0xCC00) && A <= 0xD7FF) {\r |
87 | WRAM[0x1400+(A-0xCC00)]=V;\r |
88 | }\r |
89 | }\r |
90 | \r |
91 | static DECLFR(UNLKS7030RamRead1)\r |
92 | {\r |
93 | if((A >= 0xB800) && A <= 0xBFFF) {\r |
94 | return WRAM[0x0C00+(A-0xB800)];\r |
95 | } else if((A >= 0xC000) && A <= 0xCBFF) {\r |
96 | return CartBR(0xCC00 + (A - 0xC000));\r |
97 | } else if((A >= 0xCC00) && A <= 0xD7FF) {\r |
98 | return WRAM[0x1400+(A-0xCC00)];\r |
99 | }\r |
100 | return 0;\r |
101 | }\r |
102 | \r |
103 | static DECLFW(UNLKS7030Write0)\r |
104 | {\r |
105 | reg0=A&7;\r |
106 | Sync();\r |
107 | }\r |
108 | \r |
109 | static DECLFW(UNLKS7030Write1)\r |
110 | {\r |
111 | reg1=A&15;\r |
112 | Sync();\r |
113 | }\r |
114 | \r |
115 | static void UNLKS7030Power(void)\r |
116 | {\r |
117 | reg0=reg1=~0;\r |
118 | Sync();\r |
119 | SetReadHandler(0x6000,0x7FFF,UNLKS7030RamRead0);\r |
120 | SetWriteHandler(0x6000,0x7FFF,UNLKS7030RamWrite0);\r |
121 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
122 | SetWriteHandler(0x8000,0x8FFF,UNLKS7030Write0);\r |
123 | SetWriteHandler(0x9000,0x9FFF,UNLKS7030Write1);\r |
124 | SetReadHandler(0xB800,0xD7FF,UNLKS7030RamRead1);\r |
125 | SetWriteHandler(0xB800,0xD7FF,UNLKS7030RamWrite1);\r |
126 | }\r |
127 | \r |
128 | static void UNLKS7030Close(void)\r |
129 | {\r |
130 | if(WRAM)\r |
131 | FCEU_gfree(WRAM);\r |
132 | WRAM=NULL;\r |
133 | }\r |
134 | \r |
135 | static void StateRestore(int version)\r |
136 | {\r |
137 | Sync();\r |
138 | }\r |
139 | \r |
140 | void UNLKS7030_Init(CartInfo *info)\r |
141 | {\r |
142 | info->Power=UNLKS7030Power;\r |
143 | info->Close=UNLKS7030Close;\r |
144 | GameStateRestore=StateRestore;\r |
145 | \r |
146 | WRAMSIZE=8192;\r |
147 | WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);\r |
148 | AddExState(WRAM, WRAMSIZE, 0, "WRAM");\r |
149 | \r |
150 | AddExState(&StateRegs, ~0, 0, 0);\r |
151 | }\r |