mirror of
https://github.com/dborth/fceugx.git
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69 lines
1.6 KiB
C++
69 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) 2011 CaH4e3
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mapinc.h"
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static uint8 reg;
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static SFORMAT StateRegs[]=
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{
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{®, 1, "REGS"},
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{0}
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};
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static void Sync(void)
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{
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setprg16(0x8000, 0);
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setprg16(0xc000,~0);
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setchr8(0);
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}
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static DECLFW(M170ProtW)
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{
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reg = V << 1 & 0x80;
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}
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static DECLFR(M170ProtR)
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{
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return reg | (X.DB & 0x7F);
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}
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static void M170Power(void)
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{
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Sync();
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SetWriteHandler(0x6502,0x6502,M170ProtW);
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SetWriteHandler(0x7000,0x7000,M170ProtW);
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SetReadHandler(0x7001,0x7001,M170ProtR);
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SetReadHandler(0x7777,0x7777,M170ProtR);
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SetReadHandler(0x8000,0xFFFF,CartBR);
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}
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static void StateRestore(int version)
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{
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Sync();
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}
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void Mapper170_Init(CartInfo *info)
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{
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info->Power=M170Power;
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GameStateRestore=StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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