76 lines
2.0 KiB
C
76 lines
2.0 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) 2019 Libretro Team
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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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/* NES 2.0 Mapper 343
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* BMC-RESETNROM-XIN1
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* - Sheng Tian 2-in-1(Unl,ResetBase)[p1] - Kung Fu (Spartan X), Super Mario Bros (alt)
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* - Sheng Tian 2-in-1(Unl,ResetBase)[p2] - B-Wings, Twin-bee
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*
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* BMC-KS106C
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* - Kaiser 4-in-1(Unl,KS106C)[p1] - B-Wings, Kung Fu, 1942, SMB1 (wrong mirroring)
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*/
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#include "mapinc.h"
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static uint8 gameblock, limit;
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static SFORMAT StateRegs[] =
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{
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{ &gameblock, 1, "GAME" },
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{ 0 }
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};
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static void Sync(void) {
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setchr8r(gameblock, 0);
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setprg32r(gameblock, 0x8000, 0);
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}
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static void BMCRESETNROMXIN1Power(void) {
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gameblock = 0;
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Sync();
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SetReadHandler(0x8000, 0xFFFF, CartBR);
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}
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static void BMCRESETNROMXIN1Reset(void) {
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gameblock++;
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gameblock &= limit;
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Sync();
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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 BMCRESETNROMXIN1_Init(CartInfo *info) {
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limit = 0x01;
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info->Power = BMCRESETNROMXIN1Power;
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info->Reset = BMCRESETNROMXIN1Reset;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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void BMCKS106C_Init(CartInfo *info) {
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limit = 0x03;
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info->Power = BMCRESETNROMXIN1Power;
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info->Reset = BMCRESETNROMXIN1Reset;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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