| 1 | /* FCE Ultra - NES/Famicom Emulator\r |
| 2 | *\r |
| 3 | * Copyright notice for this file:\r |
| 4 | * Copyright (C) 2006 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 | \r |
| 21 | #include "mapinc.h"\r |
| 22 | \r |
| 23 | static uint16 latche, latcheinit;\r |
| 24 | static uint16 addrreg0, addrreg1;\r |
| 25 | static void(*WSync)(void);\r |
| 26 | static readfunc defread;\r |
| 27 | \r |
| 28 | static DECLFW(LatchWrite)\r |
| 29 | {\r |
| 30 | // FCEU_printf("%04x:%02x\n",A,V);\r |
| 31 | latche=A;\r |
| 32 | WSync();\r |
| 33 | }\r |
| 34 | \r |
| 35 | static void LatchReset(void)\r |
| 36 | {\r |
| 37 | latche=latcheinit;\r |
| 38 | WSync();\r |
| 39 | }\r |
| 40 | \r |
| 41 | static void LatchPower(void)\r |
| 42 | {\r |
| 43 | latche=latcheinit;\r |
| 44 | WSync();\r |
| 45 | SetReadHandler(0x8000,0xFFFF,defread);\r |
| 46 | SetWriteHandler(addrreg0,addrreg1,LatchWrite);\r |
| 47 | }\r |
| 48 | \r |
| 49 | static void StateRestore(int version)\r |
| 50 | {\r |
| 51 | WSync();\r |
| 52 | }\r |
| 53 | \r |
| 54 | static void Latch_Init(CartInfo *info, void (*proc)(void), readfunc func, uint16 init, uint16 adr0, uint16 adr1)\r |
| 55 | {\r |
| 56 | latcheinit=init;\r |
| 57 | addrreg0=adr0;\r |
| 58 | addrreg1=adr1;\r |
| 59 | WSync=proc;\r |
| 60 | if(func)\r |
| 61 | defread=func;\r |
| 62 | else\r |
| 63 | defread=CartBR;\r |
| 64 | info->Power=LatchPower;\r |
| 65 | info->Reset=LatchReset;\r |
| 66 | GameStateRestore=StateRestore;\r |
| 67 | AddExState(&latche, 2, 0, "LATC");\r |
| 68 | }\r |
| 69 | \r |
| 70 | //------------------ UNLCC21 ---------------------------\r |
| 71 | \r |
| 72 | static void UNLCC21Sync(void)\r |
| 73 | {\r |
| 74 | setprg32(0x8000,0);\r |
| 75 | setchr8(latche&1);\r |
| 76 | setmirror(MI_0+((latche&2)>>1));\r |
| 77 | }\r |
| 78 | \r |
| 79 | void UNLCC21_Init(CartInfo *info)\r |
| 80 | { \r |
| 81 | Latch_Init(info, UNLCC21Sync, 0, 0, 0x8000, 0xFFFF);\r |
| 82 | }\r |
| 83 | \r |
| 84 | //------------------ BMCD1038 ---------------------------\r |
| 85 | \r |
| 86 | static uint8 dipswitch;\r |
| 87 | static void BMCD1038Sync(void)\r |
| 88 | {\r |
| 89 | if(latche&0x80)\r |
| 90 | {\r |
| 91 | setprg16(0x8000,(latche&0x70)>>4);\r |
| 92 | setprg16(0xC000,(latche&0x70)>>4);\r |
| 93 | }\r |
| 94 | else\r |
| 95 | setprg32(0x8000,(latche&0x60)>>5);\r |
| 96 | setchr8(latche&7);\r |
| 97 | setmirror(((latche&8)>>3)^1);\r |
| 98 | }\r |
| 99 | \r |
| 100 | static DECLFR(BMCD1038Read)\r |
| 101 | {\r |
| 102 | if(latche&0x100)\r |
| 103 | return dipswitch;\r |
| 104 | else\r |
| 105 | return CartBR(A);\r |
| 106 | }\r |
| 107 | \r |
| 108 | static void BMCD1038Reset(void)\r |
| 109 | {\r |
| 110 | dipswitch++;\r |
| 111 | dipswitch&=3; \r |
| 112 | }\r |
| 113 | \r |
| 114 | void BMCD1038_Init(CartInfo *info)\r |
| 115 | { \r |
| 116 | Latch_Init(info, BMCD1038Sync, BMCD1038Read, 0, 0x8000, 0xFFFF);\r |
| 117 | info->Reset=BMCD1038Reset;\r |
| 118 | AddExState(&dipswitch, 1, 0, "DIPSW");\r |
| 119 | }\r |
| 120 | \r |
| 121 | \r |
| 122 | //------------------ UNL43272 ---------------------------\r |
| 123 | // mapper much complex, including 16K bankswitching \r |
| 124 | static void UNL43272Sync(void)\r |
| 125 | {\r |
| 126 | if((latche&0x81) == 0x81)\r |
| 127 | {\r |
| 128 | setprg32(0x8000,(latche&0x38)>>3);\r |
| 129 | }\r |
| 130 | else\r |
| 131 | FCEU_printf("unrecognized command %04x!\n",latche);\r |
| 132 | setchr8(0);\r |
| 133 | setmirror(0);\r |
| 134 | }\r |
| 135 | \r |
| 136 | static DECLFR(UNL43272Read)\r |
| 137 | {\r |
| 138 | if(latche&0x400)\r |
| 139 | return CartBR(A & 0xFE);\r |
| 140 | else\r |
| 141 | return CartBR(A);\r |
| 142 | }\r |
| 143 | \r |
| 144 | static void UNL43272Reset(void)\r |
| 145 | {\r |
| 146 | latche = 0;\r |
| 147 | UNL43272Sync();\r |
| 148 | }\r |
| 149 | \r |
| 150 | void UNL43272_Init(CartInfo *info)\r |
| 151 | { \r |
| 152 | Latch_Init(info, UNL43272Sync, UNL43272Read, 0x81, 0x8000, 0xFFFF);\r |
| 153 | info->Reset=UNL43272Reset;\r |
| 154 | AddExState(&dipswitch, 1, 0, "DIPSW");\r |
| 155 | }\r |
| 156 | \r |
| 157 | //------------------ Map 058 ---------------------------\r |
| 158 | \r |
| 159 | static void BMCGK192Sync(void)\r |
| 160 | {\r |
| 161 | if(latche&0x40)\r |
| 162 | {\r |
| 163 | setprg16(0x8000,latche&7);\r |
| 164 | setprg16(0xC000,latche&7);\r |
| 165 | }\r |
| 166 | else\r |
| 167 | setprg32(0x8000,(latche>>1)&3);\r |
| 168 | setchr8((latche>>3)&7);\r |
| 169 | setmirror(((latche&0x80)>>7)^1);\r |
| 170 | }\r |
| 171 | \r |
| 172 | void BMCGK192_Init(CartInfo *info)\r |
| 173 | {\r |
| 174 | Latch_Init(info, BMCGK192Sync, 0, 0, 0x8000, 0xFFFF);\r |
| 175 | }\r |
| 176 | \r |
| 177 | //------------------ Map 092 ---------------------------\r |
| 178 | // Another two-in-one mapper, two Jaleco carts uses similar\r |
| 179 | // hardware, but with different wiring.\r |
| 180 | // Original code provided by LULU\r |
| 181 | // Additionally, PCB contains DSP extra sound chip, used for voice samples (unemulated)\r |
| 182 | \r |
| 183 | static void M92Sync(void)\r |
| 184 | {\r |
| 185 | uint8 reg = latche & 0xF0;\r |
| 186 | setprg16(0x8000,0);\r |
| 187 | if(latche>=0x9000)\r |
| 188 | {\r |
| 189 | switch (reg)\r |
| 190 | {\r |
| 191 | case 0xD0: setprg16(0xc000, latche & 15); break;\r |
| 192 | case 0xE0: setchr8(latche & 15); break;\r |
| 193 | }\r |
| 194 | }\r |
| 195 | else\r |
| 196 | {\r |
| 197 | switch (reg)\r |
| 198 | {\r |
| 199 | case 0xB0: setprg16(0xc000, latche & 15); break;\r |
| 200 | case 0x70: setchr8(latche & 15); break;\r |
| 201 | }\r |
| 202 | }\r |
| 203 | }\r |
| 204 | \r |
| 205 | void Mapper92_Init(CartInfo *info)\r |
| 206 | {\r |
| 207 | Latch_Init(info, M92Sync, 0, 0x80B0, 0x8000, 0xFFFF);\r |
| 208 | }\r |
| 209 | \r |
| 210 | //------------------ Map 200 ---------------------------\r |
| 211 | \r |
| 212 | static void M200Sync(void)\r |
| 213 | {\r |
| 214 | // FCEU_printf("A\n");\r |
| 215 | setprg16(0x8000,latche&7);\r |
| 216 | setprg16(0xC000,latche&7);\r |
| 217 | setchr8(latche&7);\r |
| 218 | setmirror((latche&8)>>3);\r |
| 219 | }\r |
| 220 | \r |
| 221 | void Mapper200_Init(CartInfo *info)\r |
| 222 | { \r |
| 223 | Latch_Init(info, M200Sync, 0, 0xff, 0x8000, 0xFFFF);\r |
| 224 | }\r |
| 225 | \r |
| 226 | //------------------ 190in1 ---------------------------\r |
| 227 | \r |
| 228 | static void BMC190in1Sync(void)\r |
| 229 | {\r |
| 230 | setprg16(0x8000,(latche>>2)&0x07);\r |
| 231 | setprg16(0xC000,(latche>>2)&0x07);\r |
| 232 | setchr8((latche>>2)&0x07);\r |
| 233 | setmirror((latche&1)^1);\r |
| 234 | }\r |
| 235 | \r |
| 236 | void BMC190in1_Init(CartInfo *info)\r |
| 237 | { \r |
| 238 | Latch_Init(info, BMC190in1Sync, 0, 0, 0x8000, 0xFFFF);\r |
| 239 | }\r |
| 240 | \r |
| 241 | //-------------- BMC810544-C-A1 ------------------------\r |
| 242 | \r |
| 243 | static void BMC810544CA1Sync(void)\r |
| 244 | {\r |
| 245 | uint32 bank = latche>>7;\r |
| 246 | if(latche&0x40)\r |
| 247 | setprg32(0x8000,bank);\r |
| 248 | else\r |
| 249 | {\r |
| 250 | setprg16(0x8000,(bank<<1)|((latche>>5)&1));\r |
| 251 | setprg16(0xC000,(bank<<1)|((latche>>5)&1));\r |
| 252 | }\r |
| 253 | setchr8(latche&0x0f);\r |
| 254 | setmirror(((latche>>4)&1)^1);\r |
| 255 | }\r |
| 256 | \r |
| 257 | void BMC810544CA1_Init(CartInfo *info)\r |
| 258 | { \r |
| 259 | Latch_Init(info, BMC810544CA1Sync, 0, 0, 0x8000, 0xFFFF);\r |
| 260 | }\r |
| 261 | \r |
| 262 | //-------------- BMCNTD-03 ------------------------\r |
| 263 | \r |
| 264 | static void BMCNTD03Sync(void)\r |
| 265 | {\r |
| 266 | // 1PPP Pmcc spxx xccc\r |
| 267 | // 1000 0000 0000 0000 v\r |
| 268 | // 1001 1100 0000 0100 h\r |
| 269 | // 1011 1010 1100 0100\r |
| 270 | uint32 prg = ((latche>>10)&0x1e);\r |
| 271 | uint32 chr = ((latche&0x0300)>>5)|(latche&7);\r |
| 272 | if(latche&0x80)\r |
| 273 | {\r |
| 274 | setprg16(0x8000,prg|((latche>>6)&1));\r |
| 275 | setprg16(0xC000,prg|((latche>>6)&1));\r |
| 276 | }\r |
| 277 | else\r |
| 278 | setprg32(0x8000,prg>>1);\r |
| 279 | setchr8(chr);\r |
| 280 | setmirror(((latche>>10)&1)^1);\r |
| 281 | }\r |
| 282 | \r |
| 283 | void BMCNTD03_Init(CartInfo *info)\r |
| 284 | { \r |
| 285 | Latch_Init(info, BMCNTD03Sync, 0, 0, 0x8000, 0xFFFF);\r |
| 286 | }\r |