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72 lines
1.8 KiB
C++
72 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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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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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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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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static void StateRestore(int version) {
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Sync();
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}
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void Mapper193_Init(CartInfo *info) {
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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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