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https://github.com/dborth/fceugx.git
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78 lines
1.8 KiB
C++
78 lines
1.8 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) 2009 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[8];
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static uint8 mirror, cmd, bank;
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static SFORMAT StateRegs[]=
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{
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{&cmd, 1, "CMD"},
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{&mirror, 1, "MIRR"},
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{&bank, 1, "BANK"},
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{reg, 8, "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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setmirror(mirror^1);
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setprg8(0x8000,reg[3]);
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setprg8(0xA000,0xD);
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setprg8(0xC000,0xE);
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setprg8(0xE000,0xF);
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setchr4(0x0000,reg[0]>>2);
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setchr2(0x1000,reg[1]>>1);
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setchr2(0x1800,reg[2]>>1);
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}
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static DECLFW(M193Write)
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{
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reg[A&3]=V;
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Sync();
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}
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static void M193Power(void)
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{
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bank=0;
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Sync();
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SetWriteHandler(0x6000,0x6003,M193Write);
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SetReadHandler(0x8000,0xFFFF,CartBR);
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SetWriteHandler(0x8000,0xFFFF,CartBW);
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}
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static void M193Reset(void)
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{
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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 Mapper193_Init(CartInfo *info)
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{
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info->Reset=M193Reset;
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info->Power=M193Power;
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GameStateRestore=StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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