diff --git a/README.md b/README.md
index 46e665ec3d4cc..c932920704ab9 100644
--- a/README.md
+++ b/README.md
@@ -275,6 +275,7 @@ e.g.) YM2151 has 8ch FM sounds, so you can play 8 chords on MIDI 1ch or sharing
 
 *** Changes
 - 5.7.2.3 Fixed VGMPlayer(only) to fix MSM6258.
+  - Fixed OPM Busy Wait to fix VSIF turboR(FTDI).
 - 5.7.2.2 Fixed MEGA CD(VSIF Genesis(FTDI)) driver TYPO.
 - 5.7.2.1 Updated VGMPlayer(only) to fix SCC sounding.
 - 5.7.2.0 Improved MSX VSIF driver performance.
diff --git a/src/VSIF/VGMPlayer/PortWriterMsx.cs b/src/VSIF/VGMPlayer/PortWriterMsx.cs
index dace6864bab79..d543455bbb0b6 100644
--- a/src/VSIF/VGMPlayer/PortWriterMsx.cs
+++ b/src/VSIF/VGMPlayer/PortWriterMsx.cs
@@ -191,7 +191,7 @@ public override void Write(PortWriteData[] data)
                             else if ((dt.Type == 1 || dt.Type == 0xc ||   //OPLL
                                 dt.Type == 4 || dt.Type == 5 || //SCC
                                 dt.Type == 0xa || dt.Type == 0xb || //OPL3
-                                dt.Type == 0xe || //OPM
+                                dt.Type == 0xe || //OPM  BUSY WAIT
                                 dt.Type == 0x10 || dt.Type == 0x11 || //OPN2 or OPNA
                                 dt.Type == 0x12 //OPN
                                 )
@@ -213,6 +213,15 @@ public override void Write(PortWriteData[] data)
                                 };
                                 ds.AddRange(sd);
                             }
+                            else if (dt.Type >= 0x20)
+                            {
+                                byte[] sd = new byte[5] {
+                                    (byte)(dt.Type - 0x20    | 0x20),
+                                    (byte)((dt.Address >> 4) | 0x00), (byte)((dt.Address & 0x0f) | 0x10),
+                                    (byte)((dt.Data    >> 4) | 0x00), (byte)((dt.Data &    0x0f) | 0x10),
+                                };
+                                ds.AddRange(sd);
+                            }
                             else
                             {
                                 byte[] sd = new byte[5] {
diff --git a/src/VSIF/VGMPlayer/VGMSong.cs b/src/VSIF/VGMPlayer/VGMSong.cs
index ca420b50aacfe..c3b680c8c3648 100644
--- a/src/VSIF/VGMPlayer/VGMSong.cs
+++ b/src/VSIF/VGMPlayer/VGMSong.cs
@@ -4939,9 +4939,11 @@ protected void deferredWriteOPM(int adrs, int dt)
             switch (comPortOPM.SoundModuleType)
             {
                 case VsifSoundModuleType.MSX_FTDI:
-                case VsifSoundModuleType.TurboR_FTDI:
                     comPortOPM.DeferredWriteData(0xe, (byte)adrs, (byte)dt, (int)Settings.Default.BitBangWaitOPM);
                     break;
+                case VsifSoundModuleType.TurboR_FTDI:
+                    comPortOPM.DeferredWriteData(0x2e, (byte)adrs, (byte)dt, (int)Settings.Default.BitBangWaitOPM);
+                    break;
                 case VsifSoundModuleType.SpfmLight:
                 case VsifSoundModuleType.Spfm:
                     comPortOPM.DeferredWriteData(0x10, (byte)adrs, (byte)dt, 0);
diff --git a/src/mamidimemo/VSIF/PortWriterMsx.cs b/src/mamidimemo/VSIF/PortWriterMsx.cs
index dd783bac8eb7b..95b5c7a01b11a 100644
--- a/src/mamidimemo/VSIF/PortWriterMsx.cs
+++ b/src/mamidimemo/VSIF/PortWriterMsx.cs
@@ -204,7 +204,7 @@ public override void Write(PortWriteData[] data)
                             else if ((dt.Type == 1 || dt.Type == 0xc ||   //OPLL
                                 dt.Type == 4 || dt.Type == 5 || //SCC
                                 dt.Type == 0xa || dt.Type == 0xb || //OPL3
-                                dt.Type == 0xe || //OPM
+                                dt.Type == 0xe || //OPM   BUSY WAIT
                                 dt.Type == 0x10 || dt.Type == 0x11  //OPN2
                                 )
                                 && lastDataType == dt.Type && (ushort)dt.Address == ((ushort)lastWriteAddress + 1))
@@ -225,6 +225,15 @@ public override void Write(PortWriteData[] data)
                                 };
                                 ds.AddRange(sd);
                             }
+                            else if (dt.Type >= 0x20)
+                            {
+                                byte[] sd = new byte[5] {
+                                    (byte)(dt.Type - 0x20    | 0x20),
+                                    (byte)((dt.Address >> 4) | 0x00), (byte)((dt.Address & 0x0f) | 0x10),
+                                    (byte)((dt.Data    >> 4) | 0x00), (byte)((dt.Data &    0x0f) | 0x10),
+                                };
+                                ds.AddRange(sd);
+                            }
                             else
                             {
                                 byte[] sd = new byte[5] {