120 lines
3.3 KiB
C#
120 lines
3.3 KiB
C#
using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Linq;
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using BizHawk.Common;
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using BizHawk.Emulation.Common;
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namespace BizHawk.Emulation.Cores.Nintendo.NES
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{
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public partial class NES : IStatable
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{
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public bool BinarySaveStatesPreferred
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{
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get { return false; }
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}
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public void SaveStateText(TextWriter writer)
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{
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SyncState(Serializer.CreateTextWriter(writer));
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}
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public void LoadStateText(TextReader reader)
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{
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SyncState(Serializer.CreateTextReader(reader));
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SetupMemoryDomains(); // resync the memory domains
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}
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public void SaveStateBinary(BinaryWriter bw)
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{
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SyncState(Serializer.CreateBinaryWriter(bw));
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}
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public void LoadStateBinary(BinaryReader br)
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{
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SyncState(Serializer.CreateBinaryReader(br));
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SetupMemoryDomains(); // resync the memory domains
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}
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public byte[] SaveStateBinary()
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{
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MemoryStream ms = new MemoryStream();
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BinaryWriter bw = new BinaryWriter(ms);
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SaveStateBinary(bw);
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bw.Flush();
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return ms.ToArray();
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}
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private void SyncState(Serializer ser)
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{
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int version = 4;
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ser.BeginSection(nameof(NES));
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ser.Sync(nameof(version), ref version);
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ser.Sync("Frame", ref _frame);
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ser.Sync("Lag", ref _lagcount);
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ser.Sync("IsLag", ref islag);
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cpu.SyncState(ser);
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ser.Sync(nameof(ram), ref ram, false);
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ser.Sync(nameof(CIRAM), ref CIRAM, false);
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ser.Sync(nameof(_irq_apu), ref _irq_apu);
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ser.Sync(nameof(sprdma_countdown), ref sprdma_countdown);
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ser.Sync(nameof(cpu_deadcounter), ref cpu_deadcounter);
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ser.Sync(nameof(old_s), ref old_s);
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//oam related
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ser.Sync("Oam_Dma_Index", ref oam_dma_index);
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ser.Sync("Oam_Dma_Exec", ref oam_dma_exec);
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ser.Sync("Oam_Dma_Addr", ref oam_dma_addr);
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ser.Sync("Oam_Dma_Byte", ref oam_dma_byte);
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ser.Sync("Dmc_Dma_Exec", ref dmc_dma_exec);
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ser.Sync(nameof(dmc_realign), ref dmc_realign);
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ser.Sync(nameof(IRQ_delay), ref IRQ_delay);
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ser.Sync(nameof(special_case_delay), ref special_case_delay);
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ser.Sync(nameof(do_the_reread), ref do_the_reread);
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//VS related
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ser.Sync("VS", ref _isVS);
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ser.Sync("VS_2c05", ref _isVS2c05);
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ser.Sync("VS_CHR", ref VS_chr_reg);
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ser.Sync("VS_PRG", ref VS_prg_reg);
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ser.Sync("VS_DIPS", ref VS_dips, false);
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ser.Sync("VS_Service", ref VS_service);
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ser.Sync("VS_Coin", ref VS_coin_inserted);
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ser.Sync("VS_ROM_Control", ref VS_ROM_control);
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// single cycle execution related
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ser.Sync(nameof(current_strobe), ref current_strobe);
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ser.Sync(nameof(new_strobe), ref new_strobe);
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ser.BeginSection(nameof(Board));
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Board.SyncState(ser);
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if (Board is NESBoardBase && !((NESBoardBase)Board).SyncStateFlag)
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throw new InvalidOperationException($"the current NES mapper didn't call base.{nameof(INESBoard.SyncState)}");
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ser.EndSection();
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ppu.SyncState(ser);
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apu.SyncState(ser);
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if (version >= 2)
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{
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ser.Sync(nameof(DB), ref DB);
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}
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if (version >= 3)
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{
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ser.Sync(nameof(latched4016), ref latched4016);
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ser.BeginSection(nameof(ControllerDeck));
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ControllerDeck.SyncState(ser);
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ser.EndSection();
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}
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if (version >= 4)
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{
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ser.Sync(nameof(resetSignal), ref resetSignal);
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ser.Sync(nameof(hardResetSignal), ref hardResetSignal);
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}
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ser.EndSection();
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}
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}
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}
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