APU补全中

AxibugEmuOnline.Client/Assets/VirtualNes.Core/APU.cs

@@ -60,7 +60,16 @@ namespace VirtualNes.Core
                 m_bMute[i] = true;
         }
 
-        public void Dispose() { }
+        public void Dispose()
+        {
+            @internal.Dispose();
+            vrc6.Dispose();
+            vrc7.Dispose();
+            mmc5.Dispose();
+            fds.Dispose();
+            n106.Dispose();
+            fme7.Dispose();
+        }
 
         private int[] vol = new int[24];
         static double cutofftemp = (2.0 * 3.141592653579 * 40.0);

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

@@ -1,36 +1,219 @@
-using System;
+using Codice.CM.Client.Differences;
+using System;
 
 namespace VirtualNes.Core
 {
     public class APU_MMC5 : APU_INTERFACE
     {
+        public const int RECTANGLE_VOL_SHIFT = 8;
+        public const int DAOUT_VOL_SHIFT = 6;
+
         SYNCRECTANGLE sch0 = new SYNCRECTANGLE();
         SYNCRECTANGLE sch1 = new SYNCRECTANGLE();
+        RECTANGLE ch0 = new RECTANGLE();
+        RECTANGLE ch1 = new RECTANGLE();
+
+        byte reg5010;
+        byte reg5011;
+        byte reg5015;
+        byte sync_reg5015;
+        int FrameCycle;
+        float cpu_clock;
+        int cycle_rate;
+
+        // Tables
+        static int[] vbl_length = new int[32];
+        static int[] duty_lut = new int[4];
+
+        static int[] decay_lut = new int[16];
+        static int[] vbl_lut = new int[32];
+
+        public APU_MMC5()
+        {
+            // 仮設定
+            Reset(APU_INTERFACE.APU_CLOCK, 22050);
+        }
 
         public override void Reset(float fClock, int nRate)
         {
-            //todo : 实现
+            sch0.ZeroMemory();
+            sch1.ZeroMemory();
+
+            reg5010 = reg5011 = reg5015 = 0;
+
+            sync_reg5015 = 0;
+            FrameCycle = 0;
+
+            Setup(fClock, nRate);
+
+            for (ushort addr = 0x5000; addr <= 0x5015; addr++)
+            {
+                Write(addr, 0);
+            }
         }
 
         public override void Setup(float fClock, int nRate)
         {
-            //todo : 实现
+            cpu_clock = fClock;
+            cycle_rate = (int)(fClock * 65536.0f / nRate);
+
+            // Create Tables
+            int i;
+            int samples = (int)(nRate / 60.0f);
+            for (i = 0; i < 16; i++)
+                decay_lut[i] = (i + 1) * samples * 5;
+            for (i = 0; i < 32; i++)
+                vbl_lut[i] = vbl_length[i] * samples * 5;
         }
 
         public override void Write(ushort addr, byte data)
         {
-            //todo : 实现
+            switch (addr)
-        }
+            {
-
+                // MMC5 CH0 rectangle
-        public override int Process(int channel)
+                case 0x5000:
-        {
+                    ch0.reg[0] = data;
-            //todo : 实现
+                    ch0.volume = (byte)(data & 0x0F);
-            return 0;
+                    ch0.holdnote = (byte)(data & 0x20);
+                    ch0.fixed_envelope = (byte)(data & 0x10);
+                    ch0.env_decay = decay_lut[data & 0x0F];
+                    ch0.duty_flip = duty_lut[data >> 6];
+                    break;
+                case 0x5001:
+                    ch0.reg[1] = data;
+                    break;
+                case 0x5002:
+                    ch0.reg[2] = data;
+                    ch0.freq = INT2FIX(((ch0.reg[3] & 0x07) << 8) + data + 1);
+                    break;
+                case 0x5003:
+                    ch0.reg[3] = data;
+                    ch0.vbl_length = vbl_lut[data >> 3];
+                    ch0.env_vol = 0;
+                    ch0.freq = INT2FIX(((data & 0x07) << 8) + ch0.reg[2] + 1);
+                    if ((reg5015 & 0x01) != 0)
+                        ch0.enable = 0xFF;
+                    break;
+                // MMC5 CH1 rectangle
+                case 0x5004:
+                    ch1.reg[0] = data;
+                    ch1.volume = (byte)(data & 0x0F);
+                    ch1.holdnote = (byte)(data & 0x20);
+                    ch1.fixed_envelope = (byte)(data & 0x10);
+                    ch1.env_decay = decay_lut[data & 0x0F];
+                    ch1.duty_flip = duty_lut[data >> 6];
+                    break;
+                case 0x5005:
+                    ch1.reg[1] = data;
+                    break;
+                case 0x5006:
+                    ch1.reg[2] = data;
+                    ch1.freq = INT2FIX(((ch1.reg[3] & 0x07) << 8) + data + 1);
+                    break;
+                case 0x5007:
+                    ch1.reg[3] = data;
+                    ch1.vbl_length = vbl_lut[data >> 3];
+                    ch1.env_vol = 0;
+                    ch1.freq = INT2FIX(((data & 0x07) << 8) + ch1.reg[2] + 1);
+                    if ((reg5015 & 0x02) != 0)
+                        ch1.enable = 0xFF;
+                    break;
+                case 0x5010:
+                    reg5010 = data;
+                    break;
+                case 0x5011:
+                    reg5011 = data;
+                    break;
+                case 0x5012:
+                case 0x5013:
+                case 0x5014:
+                    break;
+                case 0x5015:
+                    reg5015 = data;
+                    if ((reg5015 & 0x01) != 0)
+                    {
+                        ch0.enable = 0xFF;
+                    }
+                    else
+                    {
+                        ch0.enable = 0;
+                        ch0.vbl_length = 0;
+                    }
+                    if ((reg5015 & 0x02) != 0)
+                    {
+                        ch1.enable = 0xFF;
+                    }
+                    else
+                    {
+                        ch1.enable = 0;
+                        ch1.vbl_length = 0;
+                    }
+                    break;
+            }
         }
 
         internal void SyncWrite(ushort addr, byte data)
         {
-            //todo : 实现
+            switch (addr)
+            {
+                // MMC5 CH0 rectangle
+                case 0x5000:
+                    sch0.reg[0] = data;
+                    sch0.holdnote = (byte)(data & 0x20);
+                    break;
+                case 0x5001:
+                case 0x5002:
+                    sch0.reg[addr & 3] = data;
+                    break;
+                case 0x5003:
+                    sch0.reg[3] = data;
+                    sch0.vbl_length = vbl_length[data >> 3];
+                    if ((sync_reg5015 & 0x01) != 0)
+                        sch0.enable = 0xFF;
+                    break;
+                // MMC5 CH1 rectangle
+                case 0x5004:
+                    sch1.reg[0] = data;
+                    sch1.holdnote = (byte)(data & 0x20);
+                    break;
+                case 0x5005:
+                case 0x5006:
+                    sch1.reg[addr & 3] = data;
+                    break;
+                case 0x5007:
+                    sch1.reg[3] = data;
+                    sch1.vbl_length = vbl_length[data >> 3];
+                    if ((sync_reg5015 & 0x02) != 0)
+                        sch1.enable = 0xFF;
+                    break;
+                case 0x5010:
+                case 0x5011:
+                case 0x5012:
+                case 0x5013:
+                case 0x5014:
+                    break;
+                case 0x5015:
+                    sync_reg5015 = data;
+                    if ((sync_reg5015 & 0x01) != 0)
+                    {
+                        sch0.enable = 0xFF;
+                    }
+                    else
+                    {
+                        sch0.enable = 0;
+                        sch0.vbl_length = 0;
+                    }
+                    if ((sync_reg5015 & 0x02) != 0)
+                    {
+                        sch1.enable = 0xFF;
+                    }
+                    else
+                    {
+                        sch1.enable = 0;
+                        sch1.vbl_length = 0;
+                    }
+                    break;
+            }
         }
 
         internal byte SyncRead(ushort addr)
@@ -46,6 +229,118 @@ namespace VirtualNes.Core
             return data;
         }
 
+        public override bool Sync(int cycles)
+        {
+            FrameCycle += cycles;
+            if (FrameCycle >= 7457 * 5 / 2)
+            {
+                FrameCycle -= 7457 * 5 / 2;
+
+                if (sch0.enable != 0 && sch0.holdnote == 0)
+                {
+                    if ((sch0.vbl_length) != 0)
+                    {
+                        sch0.vbl_length--;
+                    }
+                }
+                if (sch1.enable != 0 && sch1.holdnote == 0)
+                {
+                    if ((sch1.vbl_length) != 0)
+                    {
+                        sch1.vbl_length--;
+                    }
+                }
+            }
+
+            return false;
+        }
+
+        public override int Process(int channel)
+        {
+            switch (channel)
+            {
+                case 0:
+                    return RectangleRender(ch0);
+                case 1:
+                    return RectangleRender(ch1);
+                case 2:
+                    return reg5011 << DAOUT_VOL_SHIFT;
+            }
+
+            return 0;
+        }
+
+        private int RectangleRender(RECTANGLE ch)
+        {
+            if (ch.enable == 0 || ch.vbl_length <= 0)
+                return 0;
+
+            // vbl length counter
+            if (ch.holdnote == 0)
+                ch.vbl_length -= 5;
+
+            // envelope unit
+            ch.env_phase -= 5 * 4;
+            while (ch.env_phase < 0)
+            {
+                ch.env_phase += ch.env_decay;
+                if ((ch.holdnote) != 0)
+                    ch.env_vol = (byte)((ch.env_vol + 1) & 0x0F);
+                else if (ch.env_vol < 0x0F)
+                    ch.env_vol++;
+            }
+
+            if (ch.freq < INT2FIX(8))
+                return 0;
+
+            int volume;
+            if ((ch.fixed_envelope) != 0)
+                volume = ch.volume;
+            else
+                volume = (0x0F - ch.env_vol);
+
+            int output = volume << RECTANGLE_VOL_SHIFT;
+
+            ch.phaseacc -= cycle_rate;
+            if (ch.phaseacc >= 0)
+            {
+                if (ch.adder < ch.duty_flip)
+                    ch.output_vol = output;
+                else
+                    ch.output_vol = -output;
+                return ch.output_vol;
+            }
+
+            if (ch.freq > cycle_rate)
+            {
+                ch.phaseacc += ch.freq;
+                ch.adder = (ch.adder + 1) & 0x0F;
+                if (ch.adder < ch.duty_flip)
+                    ch.output_vol = output;
+                else
+                    ch.output_vol = -output;
+            }
+            else
+            {
+                // 加重平均
+                int num_times, total;
+                num_times = total = 0;
+                while (ch.phaseacc < 0)
+                {
+                    ch.phaseacc += ch.freq;
+                    ch.adder = (ch.adder + 1) & 0x0F;
+                    if (ch.adder < ch.duty_flip)
+                        total += output;
+                    else
+                        total -= output;
+                    num_times++;
+                }
+                ch.output_vol = total / num_times;
+            }
+
+            return ch.output_vol;
+        }
+
         public class SYNCRECTANGLE
         {
             // For sync
@@ -54,6 +349,38 @@ namespace VirtualNes.Core
             public byte holdnote;
             public byte[] dummy = new byte[2];
             public int vbl_length;
+
+            public void ZeroMemory()
+            {
+                Array.Clear(reg, 0, reg.Length);
+                enable = 0;
+                holdnote = 0;
+                Array.Clear(dummy, 0, dummy.Length);
+                vbl_length = 0;
+            }
+        }
+
+        public class RECTANGLE
+        {
+            public byte[] reg = new byte[4];
+            public byte enable;
+
+            public int vbl_length;
+
+            public int phaseacc;
+            public int freq;
+
+            public int output_vol;
+            public byte fixed_envelope;
+            public byte holdnote;
+            public byte volume;
+
+            public byte env_vol;
+            public int env_phase;
+            public int env_decay;
+
+            public int adder;
+            public int duty_flip;
         }
     }
 }

AxibugEmuOnline.Client/Assets/VirtualNes.Core/ApuEX/APU_VRC7.cs

@@ -1,25 +1,95 @@
-namespace VirtualNes.Core
+using System;
+using System.Net;
+
+namespace VirtualNes.Core
 {
     public class APU_VRC7 : APU_INTERFACE
     {
+        OPLL VRC7_OPLL;
+        byte address;
+
+        public APU_VRC7()
+        {
+            Emu2413API.OPLL_init(3579545, 22050);  // 仮のサンプリングレート
+            VRC7_OPLL = Emu2413API.OPLL_new();
+
+            if (VRC7_OPLL != null)
+            {
+                Emu2413API.OPLL_reset(VRC7_OPLL);
+                Emu2413API.OPLL_reset_patch(VRC7_OPLL, Emu2413API.OPLL_VRC7_TONE);
+                VRC7_OPLL.masterVolume = 128;
+            }
+
+            // 仮設定
+            Reset(APU_CLOCK, 22050);
+        }
+
+        public override void Dispose()
+        {
+            if (VRC7_OPLL != null)
+            {
+                Emu2413API.OPLL_delete(VRC7_OPLL);
+                VRC7_OPLL = null;
+                //		OPLL_close();	// 無くても良い(中身無し)
+            }
+        }
+
         public override void Reset(float fClock, int nRate)
         {
-            //todo : 实现
+            if (VRC7_OPLL != null)
+            {
+                Emu2413API.OPLL_reset(VRC7_OPLL);
+                Emu2413API.OPLL_reset_patch(VRC7_OPLL, Emu2413API.OPLL_VRC7_TONE);
+                VRC7_OPLL.masterVolume = 128;
+            }
+
+            address = 0;
+
+            Setup(fClock, nRate);
         }
 
         public override void Setup(float fClock, int nRate)
         {
-            //todo : 实现
+            Emu2413API.OPLL_setClock((UInt32)(fClock * 2.0f), (UInt32)nRate);
         }
 
         public override void Write(ushort addr, byte data)
         {
-            //todo : 实现
+            if (VRC7_OPLL != null)
+            {
+                if (addr == 0x9010)
+                {
+                    address = data;
+                }
+                else if (addr == 0x9030)
+                {
+                    Emu2413API.OPLL_writeReg(VRC7_OPLL, address, data);
+                }
+            }
         }
 
         public override int Process(int channel)
         {
-            //todo : 实现
+            if (VRC7_OPLL != null)
+                return Emu2413API.OPLL_calc(VRC7_OPLL);
+
+            return 0;
+        }
+
+        float[] blkmul = { 0.5f, 1.0f, 2.0f, 4.0f, 8.0f, 16.0f, 32.0f, 64.0f };
+        public override int GetFreq(int channel)
+        {
+            if (VRC7_OPLL != null && channel < 8)
+            {
+                int fno = ((VRC7_OPLL.reg[0x20 + channel] & 0x01) << 8) + VRC7_OPLL.reg[0x10 + channel];
+                int blk = (VRC7_OPLL.reg[0x20 + channel] >> 1) & 0x07;
+
+                if ((VRC7_OPLL.reg[0x20 + channel] & 0x10) != 0)
+                {
+                    return (int)((256.0d * (double)fno * blkmul[blk]) / ((double)(1 << 18) / (3579545.0 / 72.0)));
+                }
+            }
+
             return 0;
         }
     }

AxibugEmuOnline.Client/Assets/VirtualNes.Core/CoreLibs/Emu2413.cs

@@ -80,10 +80,36 @@ namespace VirtualNes.Core
         public UInt32 noiseB_idx;
         public UInt32 noiseA_dphase;
         public UInt32 noiseB_dphase;
+
+        public int masterVolume; /* 0min -- 64 -- 127 max (Liner) */
     }
 
     public static class Emu2413API
     {
+        /* Bits for Pitch and Amp modulator */
+        public const int PM_PG_BITS = 8;
+        public const int PM_PG_WIDTH = 1 << PM_PG_BITS;
+        public const int PM_DP_BITS = 16;
+        public const int PM_DP_WIDTH = (1 << PM_DP_BITS);
+        public const int AM_PG_BITS = 8;
+        public const int AM_PG_WIDTH = (1 << AM_PG_BITS);
+        public const int AM_DP_BITS = 16;
+        public const int AM_DP_WIDTH = (1 << AM_DP_BITS);
+
+        /* PM table is calcurated by PM_AMP * pow(2,PM_DEPTH*sin(x)/1200) */
+        public const int PM_AMP_BITS = 8;
+        public const int PM_AMP = (1 << PM_AMP_BITS);
+
+        /* PM speed(Hz) and depth(cent) */
+        public const double PM_SPEED = 6.4d;
+        public const double PM_DEPTH = 13.75d;
+
+        public const int OPLL_2413_TONE = 0;
+        public const int OPLL_VRC7_TONE = 1;
+
+        static int[] pmtable = new int[PM_PG_WIDTH];
+        static int[] amtable = new int[AM_PG_WIDTH];
+
         public static void OPLL_init(UInt32 c, UInt32 r)
         {
             makePmTable();
@@ -97,7 +123,7 @@ namespace VirtualNes.Core
             OPLL_setClock(c, r);
         }
 
-        private static void OPLL_setClock(uint c, uint r)
+        internal static void OPLL_setClock(uint c, uint r)
         {
             throw new NotImplementedException();
         }
@@ -138,6 +164,39 @@ namespace VirtualNes.Core
         }
 
         private static void makePmTable()
+        {
+            int i;
+
+            for (i = 0; i < PM_PG_WIDTH; i++)
+                pmtable[i] = (int)(PM_AMP * Math.Pow(2, PM_DEPTH * Math.Sin(2.0 * Math.PI * i / PM_PG_WIDTH) / 1200));
+        }
+
+        internal static OPLL OPLL_new()
+        {
+            throw new NotImplementedException();
+        }
+
+        internal static void OPLL_reset(OPLL vRC7_OPLL)
+        {
+            throw new NotImplementedException();
+        }
+
+        internal static void OPLL_reset_patch(OPLL vRC7_OPLL, int oPLL_VRC7_TONE)
+        {
+            throw new NotImplementedException();
+        }
+
+        internal static void OPLL_delete(OPLL vRC7_OPLL)
+        {
+            throw new NotImplementedException();
+        }
+
+        internal static void OPLL_writeReg(OPLL opll, UInt32 reg, UInt32 data)
+        {
+            throw new NotImplementedException();
+        }
+
+        internal static int OPLL_calc(OPLL opll)
         {
             throw new NotImplementedException();
         }

AxibugEmuOnline.Client/Assets/VirtualNes.Core/PAD.cs

@@ -437,8 +437,6 @@ namespace VirtualNes.Core
             }
         }
 
-
-
         private byte SyncSub(int no, ControllerState state)
         {
             ushort bit = 0;