64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2025 NewRisingSun
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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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#include "mapinc.h"
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#include "asic_vrc2and4.h"
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#include "cartram.h"
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static uint8 reg;
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static SFORMAT stateRegs[] ={
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{ ®, 1, "EXP0" },
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{ 0 }
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};
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static void sync () {
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VRC24_syncPRG(0x0F, reg <<4);
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VRC24_syncCHR(0x7F, reg <<7);
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VRC24_syncMirror();
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VRC24_syncWRAM(0);
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}
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static DECLFW (writeReg) {
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if (A &0x800 && ~reg &0x08) {
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reg =V;
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sync();
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}
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CartBW(A, V);
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}
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static void power (void) {
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reg =0;
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VRC24_power();
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}
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static void reset (void) {
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reg =0;
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VRC24_clear();
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}
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void Mapper384_Init (CartInfo *info) {
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VRC4_init(info, sync, 0x04, 0x08, 0, NULL, NULL, NULL, writeReg, NULL);
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WRAM_init(info, 2);
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info->Power =power;
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info->Reset =reset;
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AddExState(stateRegs, ~0, 0, 0);
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}
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