fceugx/source/fceultra/boards/151.cpp

65 lines
1.5 KiB
C++
Raw Normal View History

2012-12-14 18:18:20 +01:00
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2012 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "mapinc.h"
static uint8 regs[8];
static SFORMAT StateRegs[]=
{
{regs, 8, "REGS"},
{0}
};
static void Sync(void)
{
setprg8(0x8000,regs[0]);
setprg8(0xA000,regs[2]);
setprg8(0xC000,regs[4]);
setprg8(0xE000,~0);
setchr4(0x0000,regs[6]);
setchr4(0x1000,regs[7]);
}
static DECLFW(M151Write)
{
regs[(A >> 12)&7] = V;
Sync();
}
static void M151Power(void)
{
Sync();
SetReadHandler(0x8000,0xFFFF,CartBR);
SetWriteHandler(0x8000,0xFFFF,M151Write);
}
static void StateRestore(int version)
{
Sync();
}
void Mapper151_Init(CartInfo *info)
{
info->Power=M151Power;
GameStateRestore=StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}