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https://github.com/dborth/fceugx.git
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53 lines
1.6 KiB
C
53 lines
1.6 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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DECLFW(Mapper112_write)
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{
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switch(A)
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{
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case 0xe000:MIRROR_SET(V&1);break;
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case 0x8000:mapbyte1[0]=V;break;
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case 0xa000:switch(mapbyte1[0])
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{
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case 0:ROM_BANK8(0x8000,V);break;
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case 1:ROM_BANK8(0xA000,V);break;
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case 2: V&=0xFE;VROM_BANK1(0,V);
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VROM_BANK1(0x400,(V+1));break;
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case 3: V&=0xFE;VROM_BANK1(0x800,V);
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VROM_BANK1(0xC00,(V+1));break;
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case 4:VROM_BANK1(0x1000,V);break;
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case 5:VROM_BANK1(0x1400,V);break;
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case 6:VROM_BANK1(0x1800,V);break;
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case 7:VROM_BANK1(0x1c00,V);break;
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}
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break;
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}
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}
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void Mapper112_init(void)
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{
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SetWriteHandler(0x8000,0xffff,Mapper112_write);
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}
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