1 /* FCE Ultra - NES/Famicom Emulator
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3 * Copyright notice for this file:
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4 * Copyright (C) 2007 CaH4e3
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6 * This program is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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11 * This program is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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23 static uint8 reg[2];
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25 static uint8 *WRAM=NULL;
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26 static uint32 WRAMSIZE;
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28 static SFORMAT StateRegs[]=
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34 static void Sync(void)
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37 setprg8r(0x10,0x6000,0);
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38 setprg32(0x8000,reg[1]>>1);
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39 setmirror((reg[0]&1)^1);
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42 static DECLFW(M179Write)
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44 if(A==0xa000) reg[0]=V;
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48 static DECLFW(M179WriteLo)
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50 if(A==0x5ff1) reg[1]=V;
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54 static void M179Power(void)
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58 SetWriteHandler(0x4020,0x5fff,M179WriteLo);
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59 SetReadHandler(0x6000,0x7fff,CartBR);
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60 SetWriteHandler(0x6000,0x7fff,CartBW);
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61 SetReadHandler(0x8000,0xFFFF,CartBR);
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62 SetWriteHandler(0x8000,0xFFFF,M179Write);
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65 static void M179Close(void)
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72 static void StateRestore(int version)
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77 void Mapper179_Init(CartInfo *info)
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79 info->Power=M179Power;
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80 info->Close=M179Close;
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81 GameStateRestore=StateRestore;
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84 WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
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85 SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
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86 AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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89 info->SaveGame[0]=WRAM;
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90 info->SaveGameLen[0]=WRAMSIZE;
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93 AddExState(&StateRegs, ~0, 0, 0);
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