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1 | /* FCE Ultra - NES/Famicom Emulator\r |
| 2 | *\r |
| 3 | * Copyright notice for this file:\r |
| 4 | * Copyright (C) 2009 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 | * RacerMate Chalenge II\r |
| 21 | *\r |
| 22 | */\r |
| 23 | \r |
| 24 | #include "mapinc.h"\r |
| 25 | \r |
| 26 | static uint8 reg;\r |
| 27 | static uint8 *CHRRAM=NULL;\r |
| 28 | static uint32 CHRRAMSIZE;\r |
| 29 | \r |
| 30 | static SFORMAT StateRegs[]=\r |
| 31 | {\r |
| 32 | {®, 1, "REGS"},\r |
| 33 | {0}\r |
| 34 | };\r |
| 35 | \r |
| 36 | static void Sync(void)\r |
| 37 | {\r |
| 38 | setchr4r(0x10,0x0000,0);\r |
| 39 | setchr4r(0x10,0x1000,reg&0x0f);\r |
| 40 | setprg16(0x8000,reg>>6);\r |
| 41 | setprg16(0xc000,~0);\r |
| 42 | }\r |
| 43 | \r |
| 44 | static DECLFW(M168Write)\r |
| 45 | {\r |
| 46 | reg=V;\r |
| 47 | Sync();\r |
| 48 | }\r |
| 49 | \r |
| 50 | static DECLFW(M168Dummy)\r |
| 51 | {\r |
| 52 | }\r |
| 53 | \r |
| 54 | static void M168Power(void)\r |
| 55 | {\r |
| 56 | reg=0;\r |
| 57 | Sync();\r |
| 58 | SetWriteHandler(0x4020,0x7fff,M168Dummy);\r |
| 59 | SetWriteHandler(0xB000,0xB000,M168Write);\r |
| 60 | SetWriteHandler(0xF000,0xF000,M168Dummy);\r |
| 61 | SetWriteHandler(0xF080,0xF080,M168Dummy);\r |
| 62 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
| 63 | }\r |
| 64 | \r |
| 65 | static void MNNNClose(void)\r |
| 66 | {\r |
| 67 | if(CHRRAM)\r |
| 68 | FCEU_gfree(CHRRAM);\r |
| 69 | CHRRAM=NULL;\r |
| 70 | }\r |
| 71 | \r |
| 72 | static void StateRestore(int version)\r |
| 73 | {\r |
| 74 | Sync();\r |
| 75 | }\r |
| 76 | \r |
| 77 | void Mapper168_Init(CartInfo *info)\r |
| 78 | {\r |
| 79 | info->Power=M168Power;\r |
| 80 | info->Close=MNNNClose;\r |
| 81 | GameStateRestore=StateRestore;\r |
| 82 | AddExState(&StateRegs, ~0, 0, 0);\r |
| 83 | \r |
| 84 | CHRRAMSIZE=8192*8;\r |
| 85 | CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSIZE);\r |
| 86 | SetupCartCHRMapping(0x10,CHRRAM,CHRRAMSIZE,1);\r |
| 87 | AddExState(CHRRAM, CHRRAMSIZE, 0, "CRAM");\r |
| 88 | \r |
| 89 | }\r |
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