| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 2005 CaH4e3 |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include "mapinc.h" |
| 22 | #include "mmc3.h" |
| 23 | |
| 24 | //static uint8 m_perm[8] = {0, 1, 0, 3, 0, 5, 6, 7}; |
| 25 | |
| 26 | static void UNLSonicPW(uint32 A, uint8 V) |
| 27 | { |
| 28 | if(EXPREGS[0]&0x80) |
| 29 | { |
| 30 | uint8 bank=EXPREGS[0]&0x1F; |
| 31 | if(EXPREGS[0]&0x20) |
| 32 | setprg32(0x8000,bank>>2); |
| 33 | else |
| 34 | { |
| 35 | setprg16(0x8000,bank); |
| 36 | setprg16(0xC000,bank); |
| 37 | } |
| 38 | } |
| 39 | else |
| 40 | setprg8(A,V&0x3F); |
| 41 | } |
| 42 | |
| 43 | /* |
| 44 | static DECLFW(UNLSonicWrite8000) |
| 45 | { |
| 46 | if(V&0x80) |
| 47 | MMC3_CMDWrite(A,V); |
| 48 | else |
| 49 | MMC3_CMDWrite(A,m_perm[V&7]); |
| 50 | } |
| 51 | */ |
| 52 | |
| 53 | static DECLFW(UNLSonicWriteLo) |
| 54 | { |
| 55 | EXPREGS[0]=V; |
| 56 | FixMMC3PRG(MMC3_cmd); |
| 57 | } |
| 58 | |
| 59 | static void UNLSonicPower(void) |
| 60 | { |
| 61 | EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=0; |
| 62 | GenMMC3Power(); |
| 63 | SetWriteHandler(0x5000,0x5FFF,UNLSonicWriteLo); |
| 64 | // SetWriteHandler(0x8000,0x8000,UNLSonicWrite8000); |
| 65 | } |
| 66 | |
| 67 | void UNLSonic_Init(CartInfo *info) |
| 68 | { |
| 69 | GenMMC3_Init(info, 256, 256, 0, 0); |
| 70 | pwrap=UNLSonicPW; |
| 71 | info->Power=UNLSonicPower; |
| 72 | AddExState(EXPREGS, 3, 0, "EXPR"); |
| 73 | } |