74bd49bfd8
- makes this consistent with the rest of the mapper files and codebase in general - this affects new and edited files in recent commits
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/* FCEUmm - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2020 negativeExponent
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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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/* NES 2.0 Mapper 533 is used for the Sachen 3014 board, used for the game
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* 動動腦 II: 國中英文(一) (Dòngdòngnǎo II: Guózhōng Yīngwén (I),
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* also known as Middle School English II, SA-003).
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* It's a CNROM-like board with the added ability to read back
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* the latch content for protection purposes.
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*/
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#include "mapinc.h"
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static uint8 latche;
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static SFORMAT StateRegs[] = {
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{ &latche, 1, "LATC" },
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{ 0 }
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};
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static void Sync(void) {
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setprg32(0x8000, 0);
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setchr8((latche >> 4) & 1);
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}
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static DECLFR(M533Read) {
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return ((PRGptr[0][A] & 0xF0) | (latche >> 4));
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}
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static DECLFW(M533Write) {
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latche = (V & CartBR(A));
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Sync();
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}
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static void M533Power(void) {
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Sync();
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SetReadHandler(0x8000, 0xFFFF, CartBROB);
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SetReadHandler(0xE000, 0xEFFF, M533Read);
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SetWriteHandler(0x8000, 0xFFFF, M533Write);
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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 Mapper533_Init(CartInfo* info) {
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info->Power = M533Power;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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