Hi,
My arc is not coming out as planned, it seems it just doing straight linear lines from point to point. 
Here is the macro code I'm using:
' Arc #2
Dim x_start as Double  
Dim z_start as Double
Dim TextLine as String
x_start = 1.01
z_start = 1.240 ' 1.2 ' 1.240
For i= 1 to 24
   Code "G00 X1.0 Z1.25" ' 1.22
      While(IsMoving())
         Sleep(100)
      Wend
   Code "G00 X" & x_start & "Z1.25" ' 1.22
      While(IsMoving())
         Sleep(100)
      Wend
   Code "G01 X1.0 Z" & z_start & "I1.0 K1.0" ' K val?
      While(IsMoving())
         Sleep(100)
      Wend
      ' Msgbox "Arc #" & i & " done."
   x_start = x_start + 0.010
   z_start = z_start - 0.010
Next I