mirror of
https://github.com/dborth/fceugx.git
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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2003 CaH4e3
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "mapinc.h"
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static DECLFW(Mapper204_write)
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{
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int tmp2=A&0x6;
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int tmp1=tmp2+((tmp2==0x6)?0:(A&1));
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MIRROR_SET((A>>4)&1);
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ROM_BANK16(0x8000,tmp1);
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ROM_BANK16(0xc000,tmp2+((tmp2==0x6)?1:(A&1)));
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VROM_BANK8(tmp1);
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}
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void Mapper204_init(void)
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{
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ROM_BANK32(~0);
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VROM_BANK8(~0);
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SetWriteHandler(0x8000,0xFFFF,Mapper204_write);
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}
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