| 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 |