| 1 | /* FCE Ultra - NES/Famicom Emulator\r |
| 2 | *\r |
| 3 | * Copyright notice for this file:\r |
| 4 | * Copyright (C) 2007-2008 Mad Dumper, 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 | * Panda prince pirate.\r |
| 20 | * MK4, MK6, A9711 board, MAPPER 187 the same!\r |
| 21 | * UNL6035052_Init seems to be the same too, but with prot array in reverse\r |
| 22 | */\r |
| 23 | \r |
| 24 | #include "mapinc.h"\r |
| 25 | #include "mmc3.h"\r |
| 26 | \r |
| 27 | static uint8 readbyte = 0;\r |
| 28 | \r |
| 29 | static DECLFW(M121Write)\r |
| 30 | {\r |
| 31 | // FCEU_printf("write: %04x:%04x\n",A&0xE003,V);\r |
| 32 | if((A&0xF003)==0x8003)\r |
| 33 | {\r |
| 34 | // FCEU_printf(" prot write");\r |
| 35 | // FCEU_printf("write: %04x:%04x\n",A,V);\r |
| 36 | if (V==0xAB) setprg8(0xE000,7);\r |
| 37 | else if(V==0x26) setprg8(0xE000,8);\r |
| 38 | // else if(V==0x26) setprg8(0xE000,1); // MK3\r |
| 39 | // else if(V==0x26) setprg8(0xE000,0x15); // sonic 3D blast, 8003 - command (0x26), 8001 - data 0x2A (<<1 = 0x15)\r |
| 40 | else if(V==0xFF) setprg8(0xE000,9);\r |
| 41 | else if(V==0x28) setprg8(0xC000,0xC);\r |
| 42 | else if(V==0xEC) setprg8(0xE000,0xD); \r |
| 43 | // else if(V==0xEC) setprg8(0xE000,0xC);//MK3\r |
| 44 | else if(V==0xEF) setprg8(0xE000,0xD); // damn mess, need real hardware to figure out bankswitching\r |
| 45 | else if(V==0x2A) setprg8(0xA000,0x0E);\r |
| 46 | // else if(V==0x2A) setprg8(0xE000,0x0C); // MK3\r |
| 47 | else if(V==0x20) setprg8(0xE000,0x13);\r |
| 48 | else if(V==0x29) setprg8(0xE000,0x1B);\r |
| 49 | else \r |
| 50 | {\r |
| 51 | // FCEU_printf(" unknown");\r |
| 52 | FixMMC3PRG(MMC3_cmd);\r |
| 53 | MMC3_CMDWrite(A,V);\r |
| 54 | }\r |
| 55 | // FCEU_printf("\n");\r |
| 56 | }\r |
| 57 | else\r |
| 58 | {\r |
| 59 | // FixMMC3PRG(MMC3_cmd);\r |
| 60 | MMC3_CMDWrite(A,V);\r |
| 61 | }\r |
| 62 | }\r |
| 63 | \r |
| 64 | static uint8 prot_array[16] = { 0x83, 0x83, 0x42, 0x00 };\r |
| 65 | static DECLFW(M121LoWrite)\r |
| 66 | {\r |
| 67 | EXPREGS[0] = prot_array[V&3]; // 0x100 bit in address seems to be switch arrays 0, 2, 2, 3 (Contra Fighter)\r |
| 68 | // FCEU_printf("write: %04x:%04x\n",A,V);\r |
| 69 | }\r |
| 70 | \r |
| 71 | static DECLFR(M121Read)\r |
| 72 | { \r |
| 73 | // FCEU_printf("read: %04x\n",A);\r |
| 74 | return EXPREGS[0];\r |
| 75 | }\r |
| 76 | \r |
| 77 | static void M121Power(void)\r |
| 78 | {\r |
| 79 | GenMMC3Power();\r |
| 80 | // Write_IRQFM(0x4017,0x40);\r |
| 81 | SetReadHandler(0x5000,0x5FFF,M121Read);\r |
| 82 | SetWriteHandler(0x5000,0x5FFF,M121LoWrite);\r |
| 83 | SetWriteHandler(0x8000,0x9FFF,M121Write);\r |
| 84 | }\r |
| 85 | \r |
| 86 | void Mapper121_Init(CartInfo *info)\r |
| 87 | {\r |
| 88 | GenMMC3_Init(info, 128, 256, 8, 0);\r |
| 89 | info->Power=M121Power;\r |
| 90 | AddExState(EXPREGS, 2, 0, "EXPR");\r |
| 91 | }\r |