| 1 | /* FCE Ultra - NES/Famicom Emulator\r |
| 2 | *\r |
| 3 | * Copyright notice for this file:\r |
| 4 | * Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r |
| 19 | * Mortal Kombat 2 YOKO */\r |
| 20 | \r |
| 21 | #include "mapinc.h"\r |
| 22 | #include "mmc3.h"\r |
| 23 | \r |
| 24 | static uint8 reg[8];\r |
| 25 | \r |
| 26 | static SFORMAT StateRegs[]=\r |
| 27 | {\r |
| 28 | {reg, 8, "REGS"},\r |
| 29 | {0}\r |
| 30 | };\r |
| 31 | \r |
| 32 | static void Sync(void)\r |
| 33 | {\r |
| 34 | // FCEU_printf("(%02x, %02x)\n",reg[3],reg[4]);\r |
| 35 | setprg8(0x8000,reg[0]);\r |
| 36 | setprg8(0xA000,reg[1]);\r |
| 37 | setprg8(0xC000,reg[2]);\r |
| 38 | setprg8(0xE000,~0);\r |
| 39 | // setchr2(0x0000,reg[3]);\r |
| 40 | // setchr2(0x0800,reg[4]);\r |
| 41 | // setchr2(0x1000,reg[5]);\r |
| 42 | // setchr2(0x1800,reg[6]);\r |
| 43 | setchr2(0x0000,reg[3]);\r |
| 44 | setchr2(0x0800,reg[4]);\r |
| 45 | setchr2(0x1000,reg[5]);\r |
| 46 | setchr2(0x1800,reg[6]);\r |
| 47 | }\r |
| 48 | \r |
| 49 | static DECLFW(MCN22MWrite)\r |
| 50 | {\r |
| 51 | //FCEU_printf("bs %04x %02x\n",A,V);\r |
| 52 | switch(A)\r |
| 53 | {\r |
| 54 | case 0x8c00:\r |
| 55 | case 0x8c01:\r |
| 56 | case 0x8c02: reg[A&3]=V; break;\r |
| 57 | case 0x8d10: reg[3]=V; break;\r |
| 58 | case 0x8d11: reg[4]=V; break;\r |
| 59 | case 0x8d16: reg[5]=V; break;\r |
| 60 | case 0x8d17: reg[6]=V; break;\r |
| 61 | }\r |
| 62 | Sync();\r |
| 63 | }\r |
| 64 | \r |
| 65 | static void MCN22MPower(void)\r |
| 66 | {\r |
| 67 | reg[0]=reg[1]=reg[2]=0;\r |
| 68 | Sync(); \r |
| 69 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
| 70 | SetWriteHandler(0x8000,0xFFFF,MCN22MWrite);\r |
| 71 | }\r |
| 72 | /*\r |
| 73 | static void MCN22MIRQHook(void)\r |
| 74 | {\r |
| 75 | int count = IRQCount;\r |
| 76 | if(!count || IRQReload)\r |
| 77 | {\r |
| 78 | IRQCount = IRQLatch;\r |
| 79 | IRQReload = 0;\r |
| 80 | }\r |
| 81 | else\r |
| 82 | IRQCount--;\r |
| 83 | if(!IRQCount)\r |
| 84 | {\r |
| 85 | if(IRQa)\r |
| 86 | {\r |
| 87 | X6502_IRQBegin(FCEU_IQEXT);\r |
| 88 | }\r |
| 89 | }\r |
| 90 | }\r |
| 91 | */\r |
| 92 | static void StateRestore(int version)\r |
| 93 | {\r |
| 94 | Sync();\r |
| 95 | }\r |
| 96 | \r |
| 97 | void UNLCN22M_Init(CartInfo *info)\r |
| 98 | {\r |
| 99 | info->Power=MCN22MPower;\r |
| 100 | // GameHBIRQHook=MCN22MIRQHook;\r |
| 101 | GameStateRestore=StateRestore;\r |
| 102 | AddExState(&StateRegs, ~0, 0, 0);\r |
| 103 | }\r |