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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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&0x1f);
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39 setmirror(((reg&0x20)>>5)^1);
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42 static DECLFW(M177Write)
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48 static void M177Power(void)
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52 SetReadHandler(0x6000,0x7fff,CartBR);
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53 SetWriteHandler(0x6000,0x7fff,CartBW);
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54 SetReadHandler(0x8000,0xFFFF,CartBR);
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55 SetWriteHandler(0x8000,0xFFFF,M177Write);
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58 static void M177Close(void)
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65 static void StateRestore(int version)
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70 void Mapper177_Init(CartInfo *info)
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72 info->Power=M177Power;
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73 info->Close=M177Close;
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74 GameStateRestore=StateRestore;
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77 WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
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78 SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
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79 AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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82 info->SaveGame[0]=WRAM;
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83 info->SaveGameLen[0]=WRAMSIZE;
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86 AddExState(&StateRegs, ~0, 0, 0);
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