93 lines
3.2 KiB
C#
93 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using BizHawk.Common;
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namespace BizHawk.Emulation.Common
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{
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public class NullEmulator : IEmulator, IVideoProvider, ISoundProvider
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{
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public string SystemId { get { return "NULL"; } }
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public static readonly ControllerDefinition NullController = new ControllerDefinition { Name = "Null Controller" };
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public string BoardName { get { return null; } }
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private readonly int[] frameBuffer = new int[256 * 192];
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private readonly Random rand = new Random();
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public CoreComm CoreComm { get; private set; }
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public IVideoProvider VideoProvider { get { return this; } }
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public ISoundProvider SoundProvider { get { return this; } }
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public ISyncSoundProvider SyncSoundProvider { get { return new FakeSyncSound(this, 735); } }
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public bool StartAsyncSound() { return true; }
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public void EndAsyncSound() { }
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public NullEmulator(CoreComm comm)
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{
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CoreComm = comm;
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var domains = new MemoryDomainList(
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new List<MemoryDomain>
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{
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new MemoryDomain("Main RAM", 1, MemoryDomain.Endian.Little, addr => 0, (a, v) => { })
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});
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memoryDomains = new MemoryDomainList(domains);
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}
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public void ResetCounters()
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{
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Frame = 0;
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// no lag frames on this stub core
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}
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public void FrameAdvance(bool render, bool rendersound)
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{
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if (render == false) return;
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for (int i = 0; i < 256*192; i++)
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{
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frameBuffer[i] = Colors.Luminosity((byte) rand.Next());
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}
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}
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public ControllerDefinition ControllerDefinition { get { return NullController; } }
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public IController Controller { get; set; }
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public int Frame { get; set; }
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public int LagCount { get { return 0; } set { return; } }
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public bool IsLagFrame { get { return false; } }
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public byte[] ReadSaveRam() { return null; }
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public void StoreSaveRam(byte[] data) { }
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public void ClearSaveRam() { }
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public bool DeterministicEmulation { get { return true; } }
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public bool SaveRamModified { get; set; }
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public void SaveStateText(TextWriter writer) { }
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public void LoadStateText(TextReader reader) { }
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public void SaveStateBinary(BinaryWriter writer) { }
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public void LoadStateBinary(BinaryReader reader) { }
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public byte[] SaveStateBinary() { return new byte[1]; }
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public bool BinarySaveStatesPreferred { get { return false; } }
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public int[] GetVideoBuffer() { return frameBuffer; }
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public int VirtualWidth { get { return 256; } }
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public int BufferWidth { get { return 256; } }
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public int BufferHeight { get { return 192; } }
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public int BackgroundColor { get { return 0; } }
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public void GetSamples(short[] samples) { }
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public void DiscardSamples() { }
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public int MaxVolume { get; set; }
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private readonly MemoryDomainList memoryDomains;
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public MemoryDomainList MemoryDomains { get { return memoryDomains; } }
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public void Dispose() { }
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public List<KeyValuePair<string, int>> GetCpuFlagsAndRegisters()
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{
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return new List<KeyValuePair<string, int>>();
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}
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}
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public class NullSound : ISoundProvider
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{
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public static readonly NullSound SilenceProvider = new NullSound();
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public void GetSamples(short[] samples) { }
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public void DiscardSamples() { }
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public int MaxVolume { get; set; }
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}
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}
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