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44 lines
1.1 KiB
C
44 lines
1.1 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) 2002 Xodnizel
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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(M58Write)
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{
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//printf("$%04x:$%02x\n",A,V);
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if(A&0x40)
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{
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ROM_BANK16(0x8000,(A&0x07));
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ROM_BANK16(0xc000,(A&0x07));
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}
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else
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ROM_BANK32((A&0x06)>>1);
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VROM_BANK8((A&0x38)>>3);
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MIRROR_SET2((V&2)>>1);
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}
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void Mapper58_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,M58Write);
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}
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