429f6c4545
- fixes (if necessary), update and cleanup the following boards that now dont need alternate mappings: - this is part of migrating unif to be usuable in ines mappers - boards affected in this commit are: SUPERVISION16IN1, GS-2004, GS-2013, UNL-SMB2J, MARIO1-MALEE2, UNL-SA-9602B, UNL-KS106C / RESETNROM-XIN1 UNL-AC08, NES-NTBROM, BMC-K-3033, BMC-GN-26, BMC-GHOSTBUSTERS63IN1, BMC-830425C-4391T BMC-830134C, BMC-891227 / BMC-CTC-12IN1, BMC-JC-016-2, UNL-T4A54A, UNL-8157, BMC-T-262 (might have forgotten to list some...)
96 lines
2.5 KiB
C
96 lines
2.5 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 337 - BMC-CTC-12IN1
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* 12-in-1 Game Card multicart
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* https://wiki.nesdev.com/w/index.php/NES_2.0_Mapper_337
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* NES 2.0 Mapper 350 - BMC-891227
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* Super 15-in-1 Game Card
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* https://wiki.nesdev.com/w/index.php/NES_2.0_Mapper_350
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*/
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#include "mapinc.h"
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static uint8 latche, m350;
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static SFORMAT StateRegs[] =
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{
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{ &latche, 1, "LATC" },
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{ &m350, 1, "M350" },
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{ 0 }
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};
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static void Sync(void) {
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uint8 mirroring = m350 ? ((latche >> 7) & 1) : ((latche >> 5) & 1);
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uint8 mode = m350 ? ((latche >> 5) & 0x03) : ((latche >> 6) & 0x03);
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uint8 base = m350 ? ((latche & 0x40) ? (latche & 0x20) : 0) : 0;
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setchr8(0);
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setprg8(0x6000, 1);
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setprg16r(0, 0x8000, base | (latche & 0x1F));
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setprg16r(0, 0xC000, base | ((latche & 0x1F) | ((mode & 2) ? 0x07 : (mode & 1))));
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setmirror(mirroring ^ 1);
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}
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static DECLFW(BMCCTC12IN1Write8) {
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latche = (latche & 7) | (V & ~7);
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Sync();
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}
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static DECLFW(BMCCTC12IN1WriteC) {
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latche = (latche & ~7) | (V & 7);
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Sync();
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}
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static void BMCCTC12IN1Power(void) {
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Sync();
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SetReadHandler(0x6000, 0xFFFF, CartBR);
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SetWriteHandler(0x8000, 0xBFFF, BMCCTC12IN1Write8);
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SetWriteHandler(0xC000, 0xFFFF, BMCCTC12IN1WriteC);
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}
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static void BMCCTC12IN1Reset(void) {
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latche = 0;
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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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/* Mapper 337 - BMC-CTC-12IN1 */
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void BMCCTC12IN1_Init(CartInfo *info) {
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m350 = 0;
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info->Power = BMCCTC12IN1Power;
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info->Reset = BMCCTC12IN1Reset;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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/* Mapper 350 - BMC-891227 */
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void BMC891227_Init(CartInfo *info) {
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m350 = 1;
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info->Power = BMCCTC12IN1Power;
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info->Reset = BMCCTC12IN1Reset;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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