| d97315ac |
1 | /* FCE Ultra - NES/Famicom Emulator\r |
| 2 | *\r |
| 3 | * Copyright notice for this file:\r |
| 4 | * Copyright (C) 2005 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 | #include "mmc3.h"\r |
| 23 | \r |
| 24 | extern uint8 m114_perm[8];\r |
| 25 | \r |
| 26 | static void H2288PW(uint32 A, uint8 V)\r |
| 27 | {\r |
| 28 | if(EXPREGS[0]&0x40)\r |
| 29 | {\r |
| 30 | uint8 bank=(EXPREGS[0]&5)|((EXPREGS[0]&8)>>2)|((EXPREGS[0]&0x20)>>2);\r |
| 31 | if(EXPREGS[0]&2)\r |
| 32 | setprg32(0x8000,bank>>1);\r |
| 33 | else\r |
| 34 | {\r |
| 35 | setprg16(0x8000,bank);\r |
| 36 | setprg16(0xC000,bank);\r |
| 37 | }\r |
| 38 | }\r |
| 39 | else\r |
| 40 | setprg8(A,V&0x3F);\r |
| 41 | }\r |
| 42 | \r |
| 43 | static DECLFW(H2288WriteHi)\r |
| 44 | {\r |
| 45 | switch (A&0x8001)\r |
| 46 | {\r |
| 47 | case 0x8000: MMC3_CMDWrite(0x8000,(V&0xC0)|(m114_perm[V&7])); break;\r |
| 48 | case 0x8001: MMC3_CMDWrite(0x8001,V); break;\r |
| 49 | }\r |
| 50 | }\r |
| 51 | \r |
| 52 | static DECLFW(H2288WriteLo)\r |
| 53 | {\r |
| 54 | if(A&0x800)\r |
| 55 | {\r |
| 56 | if(A&1)\r |
| 57 | EXPREGS[1]=V;\r |
| 58 | else\r |
| 59 | EXPREGS[0]=V;\r |
| 60 | FixMMC3PRG(MMC3_cmd);\r |
| 61 | }\r |
| 62 | }\r |
| 63 | \r |
| 64 | static DECLFR(H2288Read)\r |
| 65 | {\r |
| 66 | int bit;\r |
| 67 | bit=(A&1)^1;\r |
| 68 | bit&=((A>>8)&1);\r |
| 69 | bit^=1;\r |
| 70 | return((X.DB&0xFE)|bit);\r |
| 71 | }\r |
| 72 | \r |
| 73 | static void H2288Power(void)\r |
| 74 | {\r |
| 75 | EXPREGS[0]=EXPREGS[1]=0;\r |
| 76 | GenMMC3Power();\r |
| 77 | SetReadHandler(0x5000,0x5FFF,H2288Read);\r |
| 78 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
| 79 | SetWriteHandler(0x5000,0x5FFF,H2288WriteLo);\r |
| 80 | SetWriteHandler(0x8000,0x8FFF,H2288WriteHi);\r |
| 81 | }\r |
| 82 | \r |
| 83 | void UNLH2288_Init(CartInfo *info)\r |
| 84 | {\r |
| 85 | GenMMC3_Init(info, 256, 256, 0, 0);\r |
| 86 | pwrap=H2288PW;\r |
| 87 | info->Power=H2288Power;\r |
| 88 | AddExState(EXPREGS, 2, 0, "EXPR");\r |
| 89 | }\r |
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