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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23 static uint8 reg_prg[4];
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24 static uint8 reg_chr[4];
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25 static uint8 dip_switch;
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27 static SFORMAT StateRegs[]=
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29 {reg_prg, 4, "PREG"},
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30 {reg_chr, 4, "CREG"},
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34 static void Sync(void)
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36 setprg8(0x8000,reg_prg[0]);
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37 setprg8(0xa000,reg_prg[1]);
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38 setprg8(0xc000,reg_prg[2]);
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39 setprg8(0xe000,reg_prg[3]);
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40 setchr2(0x0000,reg_chr[0]);
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41 setchr2(0x0800,reg_chr[1]);
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42 setchr2(0x1000,reg_chr[2]);
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43 setchr2(0x1800,reg_chr[3]);
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47 static DECLFW(MBS5Write)
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49 int bank_sel = (A&0xC00)>>10;
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53 reg_chr[bank_sel]=A&0x1F;
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56 if(A&(1<<(dip_switch+4)))
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57 reg_prg[bank_sel]=A&0x0F;
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63 static void MBS5Reset(void)
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67 reg_prg[0]=reg_prg[1]=reg_prg[2]=reg_prg[3]=~0;
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71 static void MBS5Power(void)
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74 reg_prg[0]=reg_prg[1]=reg_prg[2]=reg_prg[3]=~0;
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76 SetReadHandler(0x8000,0xFFFF,CartBR);
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77 SetWriteHandler(0x8000,0xFFFF,MBS5Write);
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80 static void StateRestore(int version)
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85 void BMCBS5_Init(CartInfo *info)
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87 info->Power=MBS5Power;
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88 info->Reset=MBS5Reset;
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89 GameStateRestore=StateRestore;
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90 AddExState(&StateRegs, ~0, 0, 0);
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