| 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 |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r |
| 19 | *\r |
| 20 | */\r |
| 21 | \r |
| 22 | #include "mapinc.h"\r |
| 23 | \r |
| 24 | static uint8 *DummyCHR=NULL;\r |
| 25 | static uint8 datareg;\r |
| 26 | static void(*Sync)(void);\r |
| 27 | \r |
| 28 | \r |
| 29 | static SFORMAT StateRegs[]=\r |
| 30 | {\r |
| 31 | {&datareg, 1, "DREG"},\r |
| 32 | {0}\r |
| 33 | };\r |
| 34 | \r |
| 35 | // on off\r |
| 36 | //1 0x0F, 0xF0 - Bird Week\r |
| 37 | //2 0x33, 0x00 - B-Wings\r |
| 38 | //3 0x11, 0x00 - Mighty Bomb Jack\r |
| 39 | //4 0x22, 0x20 - Sansuu 1 Nen, Sansuu 2 Nen\r |
| 40 | //5 0xFF, 0x00 - Sansuu 3 Nen\r |
| 41 | //6 0x21, 0x13 - Spy vs Spy\r |
| 42 | //7 0x20, 0x21 - Seicross\r |
| 43 | \r |
| 44 | static void Sync185(void)\r |
| 45 | {\r |
| 46 | // little dirty eh? ;_)\r |
| 47 | if((datareg&3)&&(datareg!=0x13)) // 1, 2, 3, 4, 5, 6\r |
| 48 | setchr8(0);\r |
| 49 | else\r |
| 50 | setchr8r(0x10,0);\r |
| 51 | }\r |
| 52 | \r |
| 53 | static void Sync181(void)\r |
| 54 | {\r |
| 55 | if(!(datareg&1)) // 7\r |
| 56 | setchr8(0);\r |
| 57 | else\r |
| 58 | setchr8r(0x10,0);\r |
| 59 | }\r |
| 60 | \r |
| 61 | static DECLFW(MWrite)\r |
| 62 | {\r |
| 63 | datareg=V;\r |
| 64 | Sync();\r |
| 65 | }\r |
| 66 | \r |
| 67 | static void MPower(void)\r |
| 68 | {\r |
| 69 | datareg=0;\r |
| 70 | Sync();\r |
| 71 | setprg16(0x8000,0);\r |
| 72 | setprg16(0xC000,~0);\r |
| 73 | SetWriteHandler(0x8000,0xFFFF,MWrite);\r |
| 74 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
| 75 | }\r |
| 76 | \r |
| 77 | static void MClose(void)\r |
| 78 | {\r |
| 79 | if(DummyCHR)\r |
| 80 | FCEU_gfree(DummyCHR);\r |
| 81 | DummyCHR=NULL;\r |
| 82 | }\r |
| 83 | \r |
| 84 | static void MRestore(int version)\r |
| 85 | {\r |
| 86 | Sync();\r |
| 87 | }\r |
| 88 | \r |
| 89 | void Mapper185_Init(CartInfo *info)\r |
| 90 | {\r |
| 91 | Sync=Sync185;\r |
| 92 | info->Power=MPower;\r |
| 93 | info->Close=MClose;\r |
| 94 | GameStateRestore=MRestore;\r |
| 95 | DummyCHR=(uint8*)FCEU_gmalloc(8192);\r |
| 96 | int x;\r |
| 97 | for(x=0;x<8192;x++)\r |
| 98 | DummyCHR[x]=0xff;\r |
| 99 | SetupCartCHRMapping(0x10,DummyCHR,8192,0);\r |
| 100 | AddExState(StateRegs, ~0, 0, 0);\r |
| 101 | }\r |
| 102 | \r |
| 103 | void Mapper181_Init(CartInfo *info)\r |
| 104 | {\r |
| 105 | Sync=Sync181;\r |
| 106 | info->Power=MPower;\r |
| 107 | info->Close=MClose;\r |
| 108 | GameStateRestore=MRestore;\r |
| 109 | DummyCHR=(uint8*)FCEU_gmalloc(8192);\r |
| 110 | int x;\r |
| 111 | for(x=0;x<8192;x++)\r |
| 112 | DummyCHR[x]=0xff;\r |
| 113 | SetupCartCHRMapping(0x10,DummyCHR,8192,0);\r |
| 114 | AddExState(StateRegs, ~0, 0, 0);\r |
| 115 | }\r |