APU_MMC5移植完成,nes20db.xml移到工程根目录,避免打包

AxibugEmuOnline.Client/Assets/Resources/NES/nes20db.xml.meta

@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: 31d7b6b33f06e3d468b409ab9e71bf1f
-TextScriptImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs

@@ -1,5 +1,6 @@
 using AxibugEmuOnline.Client.ClientCore;
 using System;
+using System.IO;
 using System.Xml.Linq;
 using UnityEngine;
 using VirtualNes.Core;
@@ -74,8 +75,8 @@ namespace AxibugEmuOnline.Client
             var db = Resources.Load<RomDB>("NES/ROMDB");
             db.Clear();
 
-            var dbFile = Resources.Load<TextAsset>("NES/nes20db");
+            var xmlStr = File.ReadAllText("nes20db.xml");
-            var xml = XDocument.Parse(dbFile.text);
+            var xml = XDocument.Parse(xmlStr);
             var games = xml.Element("nes20db").Elements("game");
             foreach (var game in games)
             {
@@ -84,9 +85,11 @@ namespace AxibugEmuOnline.Client
 
                 var mapper = int.Parse($"{game.Element("pcb").Attribute("mapper").Value}");
 
+                if (mapper > 255) continue;
                 db.AddInfo(new RomDB.RomInfo { CRC = crc, Mapper = mapper });
             }
 
+            UnityEditor.EditorUtility.SetDirty(db);
             UnityEditor.AssetDatabase.SaveAssets();
         }
 #endif

AxibugEmuOnline.Client/Assets/VirtualNes.Core/ApuEX/APU_FDS.cs

@@ -7,6 +7,12 @@ namespace VirtualNes.Core
         private FDSSOUND fds = new FDSSOUND();
         private FDSSOUND fds_sync = new FDSSOUND();
 
+        public APU_FDS()
+        {
+            fds.ZeroMemory();
+            fds_sync.ZeroMemory();
+        }
+
         public override void Reset(float fClock, int nRate)
         {
             //todo : 实现
@@ -94,6 +100,36 @@ namespace VirtualNes.Core
             public int now_volume;
             public int now_freq;
             public int output;
+
+            public void ZeroMemory()
+            {
+                Array.Clear(reg, 0, reg.Length);
+                volenv_mode = 0;
+                volenv_gain = 0;
+                volenv_decay = 0;
+                volenv_phaseacc = 0.0;
+                swpenv_mode = 0;
+                swpenv_gain = 0;
+                swpenv_decay = 0;
+                swpenv_phaseacc = 0.0;
+                envelope_enable = 0;
+                envelope_speed = 0;
+                wave_setup = 0;
+                master_volume = 0;
+                Array.Clear(main_wavetable, 0, main_wavetable.Length);
+                main_enable = 0;
+                main_frequency = 0;
+                main_addr = 0;
+                Array.Clear(lfo_wavetable, 0, lfo_wavetable.Length);
+                lfo_enable = 0;
+                lfo_frequency = 0;
+                lfo_addr = 0;
+                lfo_phaseacc = 0.0;
+                sweep_bias = 0;
+                now_volume = 0;
+                now_freq = 0;
+                output = 0;
+            }
         }
     }
 }

AxibugEmuOnline.Client/Assets/VirtualNes.Core/ApuEX/APU_MMC5.cs

@@ -270,6 +270,35 @@ namespace VirtualNes.Core
             return 0;
         }
 
+        public override int GetFreq(int channel)
+        {
+            if (channel == 0 || channel == 1)
+            {
+                RECTANGLE ch = null;
+                if (channel == 0) ch = ch0;
+                else ch = ch1;
+
+                if (ch.enable == 0 || ch.vbl_length <= 0)
+                    return 0;
+                if (ch.freq < INT2FIX(8))
+                    return 0;
+                if (ch.fixed_envelope != 0)
+                {
+                    if (ch.volume == 0)
+                        return 0;
+                }
+                else
+                {
+                    if ((0x0F - ch.env_vol) == 0)
+                        return 0;
+                }
+
+                return (int)(256.0f * cpu_clock / (FIX2INT(ch.freq) * 16.0f));
+            }
+
+            return 0;
+        }
+
         private int RectangleRender(RECTANGLE ch)
         {
             if (ch.enable == 0 || ch.vbl_length <= 0)
@@ -358,7 +387,7 @@ namespace VirtualNes.Core
                 Array.Clear(dummy, 0, dummy.Length);
                 vbl_length = 0;
             }
-        }
+        }        
 
         public class RECTANGLE
         {