42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
/* FCE Ultra - NES/Famicom Emulator
|
|
*
|
|
* Copyright notice for this file:
|
|
* Copyright (C) 2003 Xodnizel
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "mapinc.h"
|
|
|
|
static DECLFW(Mapper231_write)
|
|
{
|
|
if(A&0x20)
|
|
ROM_BANK32((A>>1)&0xF);
|
|
else
|
|
{
|
|
ROM_BANK16(0x8000,(A&0x1E));
|
|
ROM_BANK16(0xc000,(A&0x1E));
|
|
}
|
|
MIRROR_SET((A>>7)&1);
|
|
}
|
|
|
|
void Mapper231_init(void)
|
|
{
|
|
ROM_BANK16(0x8000,0);
|
|
ROM_BANK16(0xc000,0);
|
|
SetWriteHandler(0x8000,0xffff,Mapper231_write);
|
|
}
|
|
|