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)
88 lines
2.2 KiB
C
88 lines
2.2 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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/* FDS Conversion
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* NES 2.0 Mapper 309 is used for Whirlwind Manu's ROM cartridge conversion
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* of game 愛戦士ニコル (Ai Senshi Nicol, cartridge code LH51).
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* Its UNIF board name is UNL-LH51.
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* https://wiki.nesdev.com/w/index.php/NES_2.0_Mapper_309
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*/
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#include "mapinc.h"
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static uint8 reg, mirr;
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static uint8 *WRAM = NULL;
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static uint32 WRAMSIZE;
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static SFORMAT StateRegs[] =
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{
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{ ®, 1, "REG" },
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{ &mirr, 1, "MIRR" },
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{ 0 }
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};
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static void Sync(void) {
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setchr8(0);
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setprg8r(0x10, 0x6000, 0);
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setprg8(0x8000, reg & 0x0F);
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setprg8(0xA000, 13);
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setprg8(0xC000, 14);
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setprg8(0xE000, 15);
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setmirror(((mirr >> 3) & 1) ^ 1);
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}
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static DECLFW(LH51Write) {
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switch (A & 0xF000) {
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case 0x8000: reg = V; Sync(); break;
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case 0xF000: mirr = V; Sync(); break;
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}
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}
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static void LH51Power(void) {
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Sync();
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SetReadHandler(0x6000, 0xFFFF, CartBR);
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SetWriteHandler(0x6000, 0x7FFF, CartBW);
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SetWriteHandler(0x8000, 0xFFFF, LH51Write);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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}
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static void LH51Close(void) {
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if (WRAM)
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FCEU_gfree(WRAM);
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WRAM = NULL;
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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 LH51_Init(CartInfo *info) {
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info->Power = LH51Power;
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info->Close = LH51Close;
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GameStateRestore = StateRestore;
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WRAMSIZE = 8192;
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WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
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SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
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AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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AddExState(&StateRegs, ~0, 0, 0);
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}
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