fceux/boards/603-5052.cpp

49 lines
1.4 KiB
C++

/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2005 CaH4e3
*
* 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"
#include "mmc3.h"
static uint8 lut[4] = { 0x00, 0x02, 0x02, 0x03 };
static DECLFW(UNL6035052ProtWrite)
{
EXPREGS[0]=lut[V&3];
}
static DECLFR(UNL6035052ProtRead)
{
return EXPREGS[0];
}
static void UNL6035052Power(void)
{
GenMMC3Power();
SetWriteHandler(0x4020,0x7FFF,UNL6035052ProtWrite);
SetReadHandler(0x4020,0x7FFF,UNL6035052ProtRead);
}
void UNL6035052_Init(CartInfo *info)
{
GenMMC3_Init(info, 128, 256, 0, 0);
info->Power=UNL6035052Power;
AddExState(EXPREGS, 6, 0, "EXPR");
}