Sync with GW 0.28

GreaseWeazle.vb

@@ -2,7 +2,7 @@
 ''' Class to call the Greaseweazle hardware and action the results.
 ''' </summary>
 Public Class GreaseWeazle
-    Public ReadOnly Property Version As String = "v0.4, for GW 0.27"
+    Public ReadOnly Property Version As String = "v0.5, for GW 0.28"
 
     Public ReadOnly Property GWMinAction As Integer = 0
     Public ReadOnly Property GWMaxAction As Integer = 11
@@ -65,6 +65,7 @@ Public Class GreaseWeazle
     Private P_Step As Integer = 1
     Private P_HeadOffsetEnable As Boolean = False
     Private P_HeadOffsetTrackCount As Integer = -8  'For 5.25" FDD flippy drives only!! (C64/Atari XE .. ?)
+    Private P_HeadOffsetHead As Integer = 1
     Private P_WritePreCompensate As Boolean = False
     Private P_WPC_Type As String = "mfm"
     Private P_WPC_TrackRange As String = ">="
@@ -460,6 +461,23 @@ Public Class GreaseWeazle
         End Set
     End Property
 
+    ''' <summary>
+    ''' Head to use to offset tracks by HeadOffsetTrackCount 
+    ''' </summary>
+    ''' <returns>Integer, 1 by default, for 5.25" drives with flippy disks</returns>
+    Public Property HeadOffsetHead As Integer
+        Get
+            Return P_HeadOffsetHead
+        End Get
+        Set(value As Integer)
+            If (value = 0) Or (value = 1) Then
+                P_HeadOffsetHead = value
+            Else
+                P_ErrorString = "Invalid head. Values can only be 0 or 1"
+            End If
+        End Set
+    End Property
+
     ''' <summary>
     ''' Enable Write Precompensate. Prevent tracks from overlapping. Useful for later tracks, which are closer together. See Wiki: https://github.com/keirf/Greaseweazle/wiki/Write-Precompensation
     ''' </summary>
@@ -967,6 +985,11 @@ Public Class GreaseWeazle
                                     str += "0-1"                                        'else use both heads (top and bottom)
                                 End If
 
+                                If HeadOffsetEnable Then
+                                    str += ":h" + CStr(HeadOffsetHead)                  'Heads (sides of the disk) to use in this operation
+                                    str += ".off=" + CStr(HeadOffsetTrackCount)         'Offset head by a number of tracks
+                                End If
+
                                 str += ":step="
                                 str += CStr(TrackStep)                                  'Step X tracks for every read: Useful for 40 track disks, in 80 track drives, etc.
 
@@ -997,10 +1020,6 @@ Public Class GreaseWeazle
                             End If
 
                             If (Action = GWRead) Or (Action = GWWrite) Then
-                                If HeadOffsetEnable Then
-
-                                End If
-
                                 If Retries <> 0 Then
                                     str += "--retries " + CStr(Retries) + " "
                                 End If

My Project/AssemblyInfo.vb

@@ -31,5 +31,5 @@ Imports System.Runtime.InteropServices
 ' by using the '*' as shown below:
 ' <Assembly: AssemblyVersion("1.0.*")>
 
-<Assembly: AssemblyVersion("2.0.6.27")>
-<Assembly: AssemblyFileVersion("2.0.6.27")>
+<Assembly: AssemblyVersion("2.0.7.28")>
+<Assembly: AssemblyFileVersion("2.0.7.28")>

My Project/Settings.settings

@@ -173,5 +173,8 @@
     <Setting Name="SeekWithMotorOn" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>
     </Setting>
+    <Setting Name="HeadOffsetHead" Type="System.Int32" Scope="User">
+      <Value Profile="(Default)">1</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

app.config

@@ -200,6 +200,9 @@
             <setting name="SeekWithMotorOn" serializeAs="String">
                 <value>False</value>
             </setting>
+            <setting name="HeadOffsetHead" serializeAs="String">
+                <value>1</value>
+            </setting>
         </RunGreaseWeazel.My.MySettings>
     </userSettings>
 </configuration>