try fixing progress box bugs

BizHawk.Emulation/Disc/Disc.API.cs

@@ -16,6 +16,7 @@ namespace BizHawk.DiscSystem
 	public class ProgressReport
 	{
 		public string Message;
+		public bool InfoPresent;
 		public double ProgressEstimate;
 		public double ProgressCurrent;
 		public int TaskCount;

BizHawk.Emulation/Disc/Disc.cs

@@ -535,6 +535,9 @@ namespace BizHawk.DiscSystem
 			progress.TaskCount = 2;
 
 			progress.Message = "Generating Cue";
+			progress.ProgressEstimate = 1;
+			progress.ProgressCurrent = 0;
+			progress.InfoPresent = true;
 			string cuePath = Path.Combine(directory, baseName + ".cue");
 			File.WriteAllText(cuePath, cue);
 

DiscoHawk/DiscoHawk.cs

@@ -9,10 +9,6 @@ using System.IO;
 //it can handle binpercue
 //it seems not to be able to handle binpertrack, or maybe i am doing something wrong (still havent ruled it out)
 
-//isobuster -
-//does not like onebinpertrack images with index 00
-
-
 namespace BizHawk
 {
 	class DiscoHawk

DiscoHawk/ProgressDialog.cs

@@ -29,8 +29,14 @@ namespace BizHawk
 		{
 			double curr = pr.ProgressCurrent;
 			double max = pr.ProgressEstimate;
-			double value = curr / max * 100;
-			progressBar1.Value = (int)value;
+			if (pr.InfoPresent)
+			{
+				double value = curr/max*100;
+				int nValue = (int) value;
+				if (nValue < 0 || nValue > 100)
+					nValue = 0;
+				progressBar1.Value = nValue;
+			}
 			lblMessage.Text = pr.Message;
 		}
 	}