b414ad2176
- Add UNL-TH2131-1, UNL-LH51, BMC-RESETNROM-XIN1, BMC-RESET-TXROM - Add FARID_SLROM_8-IN-1, BMC-830425C-4391T, BMC-TJ-03, BMC-CTC-09 - Add BMC-K-3046, BMC-SA005-A, BMC-K-3006, BMC-K-3036, MINDKIDS - Add UNL-KS7021A, KS106C, BTL-900218 - Cleanup VRC2and4 (unify power function)
58 lines
1.6 KiB
C
58 lines
1.6 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 313 is used for MMC3-based multicarts that switch
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* between 128 KiB PRG-ROM/128 KiB CHR-ROM-sized games on each reset and
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* thus require no additional registers.
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* Its UNIF board name is BMC-RESET-TXROM.
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*/
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#include "mapinc.h"
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#include "mmc3.h"
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static void M313CW(uint32 A, uint8 V) {
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setchr1r(EXPREGS[0], A, V & 0x7F);
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}
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static void M313PW(uint32 A, uint8 V) {
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setprg8r(EXPREGS[0], A, V & 0x0F);
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}
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static void M313Reset(void) {
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EXPREGS[0]++;
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EXPREGS[0] &= 0x03;
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MMC3RegReset();
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}
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static void M313Power(void) {
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EXPREGS[0] = 0;
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GenMMC3Power();
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}
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/* NES 2.0 313, UNIF BMC-RESET-TXROM */
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void BMCRESETTXROM_Init(CartInfo *info) {
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GenMMC3_Init(info, 512, 256, 0, 0);
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cwrap = M313CW;
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pwrap = M313PW;
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info->Power = M313Power;
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info->Reset = M313Reset;
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AddExState(EXPREGS, 1, 0, "EXPR");
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}
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