LibsnesCore.cs - move ScnalineHookManager to the button of the file, and the constructor of LibsnesCore to the top of the object, so it isn't so annoying to find it
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adelikat
parent
315316210d
commit
21dad476a8
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@ -21,43 +21,6 @@ using BizHawk.Emulation.Common;
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namespace BizHawk.Emulation.Cores.Nintendo.SNES
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{
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public class ScanlineHookManager
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{
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public void Register(object tag, Action<int> callback)
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{
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var rr = new RegistrationRecord();
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rr.tag = tag;
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rr.callback = callback;
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Unregister(tag);
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records.Add(rr);
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OnHooksChanged();
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}
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public int HookCount { get { return records.Count; } }
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public virtual void OnHooksChanged() { }
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public void Unregister(object tag)
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{
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records.RemoveAll((r) => r.tag == tag);
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}
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public void HandleScanline(int scanline)
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{
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foreach (var rr in records) rr.callback(scanline);
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}
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List<RegistrationRecord> records = new List<RegistrationRecord>();
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class RegistrationRecord
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{
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public object tag;
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public int scanline = 0;
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public Action<int> callback;
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}
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}
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[CoreAttributes(
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"BSNES",
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"byuu",
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@ -69,6 +32,138 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
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public unsafe class LibsnesCore : IEmulator, IVideoProvider, IMemoryDomains,
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IDebuggable, ISettable<LibsnesCore.SnesSettings, LibsnesCore.SnesSyncSettings>
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{
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public LibsnesCore(GameInfo game, byte[] romData, bool deterministicEmulation, byte[] xmlData, CoreComm comm, object Settings, object SyncSettings)
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{
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CoreComm = comm;
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byte[] sgbRomData = null;
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if (game["SGB"])
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{
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if ((romData[0x143] & 0xc0) == 0xc0)
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throw new CGBNotSupportedException();
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sgbRomData = CoreComm.CoreFileProvider.GetFirmware("SNES", "Rom_SGB", true, "SGB Rom is required for SGB emulation.");
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game.FirmwareHash = sgbRomData.HashSHA1();
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}
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this.Settings = (SnesSettings)Settings ?? new SnesSettings();
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this.SyncSettings = (SnesSyncSettings)SyncSettings ?? new SnesSyncSettings();
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api = new LibsnesApi(GetExePath());
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api.CMD_init();
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api.ReadHook = ReadHook;
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api.ExecHook = ExecHook;
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api.WriteHook = WriteHook;
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ScanlineHookManager = new MyScanlineHookManager(this);
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api.CMD_init();
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api.QUERY_set_video_refresh(snes_video_refresh);
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api.QUERY_set_input_poll(snes_input_poll);
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api.QUERY_set_input_state(snes_input_state);
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api.QUERY_set_input_notify(snes_input_notify);
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api.QUERY_set_path_request(snes_path_request);
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scanlineStart_cb = new LibsnesApi.snes_scanlineStart_t(snes_scanlineStart);
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tracecb = new LibsnesApi.snes_trace_t(snes_trace);
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soundcb = new LibsnesApi.snes_audio_sample_t(snes_audio_sample);
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api.QUERY_set_audio_sample(soundcb);
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RefreshPalette();
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// start up audio resampler
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InitAudio();
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//strip header
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if (romData != null)
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if ((romData.Length & 0x7FFF) == 512)
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{
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var newData = new byte[romData.Length - 512];
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Array.Copy(romData, 512, newData, 0, newData.Length);
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romData = newData;
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}
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if (game["SGB"])
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{
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IsSGB = true;
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SystemId = "SNES";
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BoardName = "SGB";
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CurrLoadParams = new LoadParams()
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{
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type = LoadParamType.SuperGameBoy,
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rom_xml = null,
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rom_data = sgbRomData,
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rom_size = (uint)sgbRomData.Length,
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dmg_xml = null,
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dmg_data = romData,
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dmg_size = (uint)romData.Length
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};
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if (!LoadCurrent())
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throw new Exception("snes_load_cartridge_normal() failed");
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}
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else
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{
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//we may need to get some information out of the cart, even during the following bootup/load process
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if (xmlData != null)
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{
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romxml = new System.Xml.XmlDocument();
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romxml.Load(new MemoryStream(xmlData));
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//bsnes wont inspect the xml to load the necessary sfc file.
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//so, we have to do that here and pass it in as the romData :/
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if (romxml["cartridge"] != null && romxml["cartridge"]["rom"] != null)
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romData = File.ReadAllBytes(CoreComm.CoreFileProvider.PathSubfile(romxml["cartridge"]["rom"].Attributes["name"].Value));
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else
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throw new Exception("Could not find rom file specification in xml file. Please check the integrity of your xml file");
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}
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SystemId = "SNES";
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CurrLoadParams = new LoadParams()
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{
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type = LoadParamType.Normal,
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xml_data = xmlData,
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rom_data = romData
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};
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if (!LoadCurrent())
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throw new Exception("snes_load_cartridge_normal() failed");
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}
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if (api.QUERY_get_region() == LibsnesApi.SNES_REGION.NTSC)
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{
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//similar to what aviout reports from snes9x and seems logical from bsnes first principles. bsnes uses that numerator (ntsc master clockrate) for sure.
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CoreComm.VsyncNum = 21477272;
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CoreComm.VsyncDen = 4 * 341 * 262;
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}
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else
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{
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//http://forums.nesdev.com/viewtopic.php?t=5367&start=19
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CoreComm.VsyncNum = 21281370;
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CoreComm.VsyncDen = 4 * 341 * 312;
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}
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CoreComm.CpuTraceAvailable = true;
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api.CMD_power();
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SetupMemoryDomains(romData, sgbRomData);
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DeterministicEmulation = deterministicEmulation;
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if (DeterministicEmulation) // save frame-0 savestate now
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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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bw.Write(CoreSaveState());
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bw.Write(true); // framezero, so no controller follows and don't frameadvance on load
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// hack: write fake dummy controller info
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bw.Write(new byte[536]);
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bw.Close();
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savestatebuff = ms.ToArray();
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}
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}
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public bool IsSGB { get; private set; }
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/// <summary>disable all external callbacks. the front end should not even know the core is frame advancing</summary>
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@ -315,138 +410,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
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else return api.CMD_load_cartridge_super_game_boy(CurrLoadParams.rom_xml, CurrLoadParams.rom_data, CurrLoadParams.rom_size, CurrLoadParams.dmg_xml, CurrLoadParams.dmg_data, CurrLoadParams.dmg_size);
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}
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public LibsnesCore(GameInfo game, byte[] romData, bool deterministicEmulation, byte[] xmlData, CoreComm comm, object Settings, object SyncSettings)
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{
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CoreComm = comm;
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byte[] sgbRomData = null;
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if (game["SGB"])
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{
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if ((romData[0x143] & 0xc0) == 0xc0)
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throw new CGBNotSupportedException();
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sgbRomData = CoreComm.CoreFileProvider.GetFirmware("SNES", "Rom_SGB", true, "SGB Rom is required for SGB emulation.");
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game.FirmwareHash = sgbRomData.HashSHA1();
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}
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this.Settings = (SnesSettings)Settings ?? new SnesSettings();
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this.SyncSettings = (SnesSyncSettings)SyncSettings ?? new SnesSyncSettings();
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api = new LibsnesApi(GetExePath());
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api.CMD_init();
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api.ReadHook = ReadHook;
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api.ExecHook = ExecHook;
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api.WriteHook = WriteHook;
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ScanlineHookManager = new MyScanlineHookManager(this);
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api.CMD_init();
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api.QUERY_set_video_refresh(snes_video_refresh);
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api.QUERY_set_input_poll(snes_input_poll);
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api.QUERY_set_input_state(snes_input_state);
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api.QUERY_set_input_notify(snes_input_notify);
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api.QUERY_set_path_request(snes_path_request);
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scanlineStart_cb = new LibsnesApi.snes_scanlineStart_t(snes_scanlineStart);
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tracecb = new LibsnesApi.snes_trace_t(snes_trace);
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soundcb = new LibsnesApi.snes_audio_sample_t(snes_audio_sample);
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api.QUERY_set_audio_sample(soundcb);
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RefreshPalette();
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// start up audio resampler
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InitAudio();
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//strip header
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if(romData != null)
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if ((romData.Length & 0x7FFF) == 512)
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{
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var newData = new byte[romData.Length - 512];
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Array.Copy(romData, 512, newData, 0, newData.Length);
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romData = newData;
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}
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if (game["SGB"])
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{
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IsSGB = true;
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SystemId = "SNES";
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BoardName = "SGB";
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CurrLoadParams = new LoadParams()
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{
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type = LoadParamType.SuperGameBoy,
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rom_xml = null,
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rom_data = sgbRomData,
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rom_size = (uint)sgbRomData.Length,
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dmg_xml = null,
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dmg_data = romData,
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dmg_size = (uint)romData.Length
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};
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if (!LoadCurrent())
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throw new Exception("snes_load_cartridge_normal() failed");
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}
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else
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{
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//we may need to get some information out of the cart, even during the following bootup/load process
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if (xmlData != null)
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{
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romxml = new System.Xml.XmlDocument();
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romxml.Load(new MemoryStream(xmlData));
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//bsnes wont inspect the xml to load the necessary sfc file.
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//so, we have to do that here and pass it in as the romData :/
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if (romxml["cartridge"] != null && romxml["cartridge"]["rom"] != null)
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romData = File.ReadAllBytes(CoreComm.CoreFileProvider.PathSubfile(romxml["cartridge"]["rom"].Attributes["name"].Value));
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else
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throw new Exception("Could not find rom file specification in xml file. Please check the integrity of your xml file");
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}
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SystemId = "SNES";
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CurrLoadParams = new LoadParams()
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{
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type = LoadParamType.Normal,
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xml_data = xmlData,
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rom_data = romData
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};
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if(!LoadCurrent())
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throw new Exception("snes_load_cartridge_normal() failed");
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}
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if (api.QUERY_get_region() == LibsnesApi.SNES_REGION.NTSC)
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{
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//similar to what aviout reports from snes9x and seems logical from bsnes first principles. bsnes uses that numerator (ntsc master clockrate) for sure.
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CoreComm.VsyncNum = 21477272;
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CoreComm.VsyncDen = 4 * 341 * 262;
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}
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else
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{
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//http://forums.nesdev.com/viewtopic.php?t=5367&start=19
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CoreComm.VsyncNum = 21281370;
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CoreComm.VsyncDen = 4 * 341 * 312;
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}
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CoreComm.CpuTraceAvailable = true;
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api.CMD_power();
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SetupMemoryDomains(romData,sgbRomData);
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DeterministicEmulation = deterministicEmulation;
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if (DeterministicEmulation) // save frame-0 savestate now
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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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bw.Write(CoreSaveState());
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bw.Write(true); // framezero, so no controller follows and don't frameadvance on load
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// hack: write fake dummy controller info
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bw.Write(new byte[536]);
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bw.Close();
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savestatebuff = ms.ToArray();
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}
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}
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/// <summary>
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///
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/// </summary>
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@ -1236,4 +1199,41 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
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}
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}
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}
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public class ScanlineHookManager
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{
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public void Register(object tag, Action<int> callback)
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{
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var rr = new RegistrationRecord();
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rr.tag = tag;
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rr.callback = callback;
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Unregister(tag);
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records.Add(rr);
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OnHooksChanged();
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}
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public int HookCount { get { return records.Count; } }
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public virtual void OnHooksChanged() { }
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public void Unregister(object tag)
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{
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records.RemoveAll((r) => r.tag == tag);
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}
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public void HandleScanline(int scanline)
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{
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foreach (var rr in records) rr.callback(scanline);
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}
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List<RegistrationRecord> records = new List<RegistrationRecord>();
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class RegistrationRecord
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{
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public object tag;
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public int scanline = 0;
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public Action<int> callback;
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}
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}
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}
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