| 1 | /* FCE Ultra - NES/Famicom Emulator\r |
| 2 | *\r |
| 3 | * Copyright notice for this file:\r |
| 4 | * Copyright (C) 2012 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 uint8 regs[8];\r |
| 24 | \r |
| 25 | static SFORMAT StateRegs[]=\r |
| 26 | {\r |
| 27 | {regs, 8, "REGS"},\r |
| 28 | {0}\r |
| 29 | };\r |
| 30 | \r |
| 31 | static void Sync(void)\r |
| 32 | {\r |
| 33 | setprg8(0x8000,regs[0]);\r |
| 34 | setprg8(0xA000,regs[2]);\r |
| 35 | setprg8(0xC000,regs[4]);\r |
| 36 | setprg8(0xE000,~0);\r |
| 37 | setchr4(0x0000,regs[6]); \r |
| 38 | setchr4(0x1000,regs[7]); \r |
| 39 | }\r |
| 40 | \r |
| 41 | static DECLFW(M151Write)\r |
| 42 | {\r |
| 43 | regs[(A >> 12)&7] = V;\r |
| 44 | Sync();\r |
| 45 | }\r |
| 46 | \r |
| 47 | static void M151Power(void)\r |
| 48 | {\r |
| 49 | Sync();\r |
| 50 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
| 51 | SetWriteHandler(0x8000,0xFFFF,M151Write);\r |
| 52 | }\r |
| 53 | \r |
| 54 | static void StateRestore(int version)\r |
| 55 | {\r |
| 56 | Sync();\r |
| 57 | }\r |
| 58 | \r |
| 59 | void Mapper151_Init(CartInfo *info)\r |
| 60 | {\r |
| 61 | info->Power=M151Power;\r |
| 62 | GameStateRestore=StateRestore;\r |
| 63 | AddExState(&StateRegs, ~0, 0, 0);\r |
| 64 | }\r |