1 /* FCE Ultra - NES/Famicom Emulator
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3 * Copyright notice for this file:
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4 * Copyright (C) 2005 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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23 static uint16 cmdreg;
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24 static SFORMAT StateRegs[]=
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26 {&cmdreg, 2, "CREG"},
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30 static void Sync(void)
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35 setmirror(((cmdreg>>13)&1)^1);
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38 setprg16(0x8000,((cmdreg&0x300)>>3)|((cmdreg&0x1F)<<1)|((cmdreg>>12)&1));
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39 setprg16(0xC000,((cmdreg&0x300)>>3)|((cmdreg&0x1F)<<1)|((cmdreg>>12)&1));
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42 setprg32(0x8000,((cmdreg&0x300)>>4)|(cmdreg&0x1F));
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45 static DECLFW(M235Write)
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51 static void M235Power(void)
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54 SetWriteHandler(0x8000,0xFFFF,M235Write);
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55 SetReadHandler(0x8000,0xFFFF,CartBR);
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60 static void M235Restore(int version)
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65 void Mapper235_Init(CartInfo *info)
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67 info->Power=M235Power;
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68 GameStateRestore=M235Restore;
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69 AddExState(&StateRegs, ~0, 0, 0);
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