| 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 | * DIS23C01 DAOU ROM CONTROLLER, Korea\r |
| 21 | * Metal Force (K)\r |
| 22 | * Buzz and Waldog (K)\r |
| 23 | * General's Son (K)\r |
| 24 | *\r |
| 25 | */\r |
| 26 | \r |
| 27 | #include "mapinc.h"\r |
| 28 | \r |
| 29 | static uint8 chrlo[8], chrhi[8], prg, mirr, mirrisused = 0;\r |
| 30 | static uint8 *WRAM=NULL;\r |
| 31 | static uint32 WRAMSIZE;\r |
| 32 | \r |
| 33 | static SFORMAT StateRegs[]=\r |
| 34 | {\r |
| 35 | {&prg, 1, "PREG"},\r |
| 36 | {chrlo, 8, "CRGL"},\r |
| 37 | {chrhi, 8, "CRGH"},\r |
| 38 | {&mirr, 1, "MIRR"},\r |
| 39 | {0}\r |
| 40 | };\r |
| 41 | \r |
| 42 | static void Sync(void)\r |
| 43 | {\r |
| 44 | uint32 i;\r |
| 45 | for(i=0; i<8; i++)\r |
| 46 | setchr1(i<<10, chrlo[i]|(chrhi[i] << 8));\r |
| 47 | setprg8r(0x10,0x6000,0);\r |
| 48 | setprg16(0x8000,prg);\r |
| 49 | setprg16(0xC000,~0);\r |
| 50 | if(mirrisused)\r |
| 51 | setmirror(mirr ^ 1);\r |
| 52 | else\r |
| 53 | setmirror(MI_0);\r |
| 54 | }\r |
| 55 | \r |
| 56 | static DECLFW(M156Write)\r |
| 57 | {\r |
| 58 | switch(A) {\r |
| 59 | case 0xC000:\r |
| 60 | case 0xC001:\r |
| 61 | case 0xC002:\r |
| 62 | case 0xC003: chrlo[A&3] = V; Sync(); break;\r |
| 63 | case 0xC004:\r |
| 64 | case 0xC005:\r |
| 65 | case 0xC006:\r |
| 66 | case 0xC007: chrhi[A&3] = V; Sync(); break;\r |
| 67 | case 0xC008:\r |
| 68 | case 0xC009:\r |
| 69 | case 0xC00A:\r |
| 70 | case 0xC00B: chrlo[4+(A&3)] = V; Sync(); break;\r |
| 71 | case 0xC00C:\r |
| 72 | case 0xC00D:\r |
| 73 | case 0xC00E:\r |
| 74 | case 0xC00F: chrhi[4+(A&3)] = V; Sync(); break;\r |
| 75 | case 0xC010: prg = V; Sync(); break;\r |
| 76 | case 0xC014: mirr = V; mirrisused = 1; Sync(); break;\r |
| 77 | }\r |
| 78 | }\r |
| 79 | \r |
| 80 | static void M156Power(void)\r |
| 81 | {\r |
| 82 | Sync();\r |
| 83 | SetReadHandler(0x6000,0xFFFF,CartBR);\r |
| 84 | SetWriteHandler(0x6000,0x7FFF,CartBW);\r |
| 85 | SetWriteHandler(0xC000,0xCFFF,M156Write);\r |
| 86 | }\r |
| 87 | \r |
| 88 | static void M156Close(void)\r |
| 89 | {\r |
| 90 | if(WRAM)\r |
| 91 | FCEU_gfree(WRAM);\r |
| 92 | WRAM=NULL;\r |
| 93 | }\r |
| 94 | \r |
| 95 | static void StateRestore(int version)\r |
| 96 | {\r |
| 97 | Sync();\r |
| 98 | }\r |
| 99 | \r |
| 100 | void Mapper156_Init(CartInfo *info)\r |
| 101 | {\r |
| 102 | info->Power=M156Power;\r |
| 103 | info->Close=M156Close;\r |
| 104 | \r |
| 105 | WRAMSIZE=8192;\r |
| 106 | WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);\r |
| 107 | SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);\r |
| 108 | AddExState(WRAM, WRAMSIZE, 0, "WRAM");\r |
| 109 | \r |
| 110 | GameStateRestore=StateRestore;\r |
| 111 | AddExState(&StateRegs, ~0, 0, 0);\r |
| 112 | }\r |