diff --git a/PIC_Simulator/Form1.cs b/PIC_Simulator/Form1.cs
index dff2531..b3dfb6e 100644
--- a/PIC_Simulator/Form1.cs
+++ b/PIC_Simulator/Form1.cs
@@ -35,6 +35,7 @@ namespace PIC_Simulator
 			lvSpecial.Items.Add(new ListViewItem(new[] { "PC", "0x00" }));
 			lvSpecial.Items.Add(new ListViewItem(new[] { "Status", "0b00000000" }));
 			lvSpecial.Items.Add(new ListViewItem(new[] { "Option", "0b00000000" }));
+			lvSpecial.Items.Add(new ListViewItem(new[] { "Intcon", "0b00000000" }));
 			lvSpecial.Items.Add(new ListViewItem(new[] { "Time", "0ms" }));
 			lvSpecial.Items.Add(new ListViewItem(new[] { "RA (Backing)", "0b00000000" }));
 			lvSpecial.Items.Add(new ListViewItem(new[] { "RB (Backing)", "0b00000000" }));
@@ -196,17 +197,18 @@ namespace PIC_Simulator
 
 			// Spezialregister aktualisieren
 
-			lvSpecial.Items[0].SubItems[1].Text = string.Format("0x{0:X2}", programm.Register_W);
-			lvSpecial.Items[1].SubItems[1].Text = string.Format("{0,4}", programm.PCCounter);
-			lvSpecial.Items[2].SubItems[1].Text = string.Format("0b{0}", Convert.ToString(programm.GetRegisterOhneBank(PICProgramm.ADDR_STATUS), 2).PadLeft(8, '0'));
-			lvSpecial.Items[3].SubItems[1].Text = string.Format("0b{0}", Convert.ToString(programm.GetRegisterOhneBank(PICProgramm.ADDR_OPTION), 2).PadLeft(8, '0'));
-			lvSpecial.Items[4].SubItems[1].Text = string.Format("{0}ms", programm.Stepcount * int.Parse(insertTime.Text));
-			lvSpecial.Items[5].SubItems[1].Text = "0b" + Convert.ToString(programm.Register[PICProgramm.ADDR_PORT_A], 2).PadLeft(8, '0');
-			lvSpecial.Items[6].SubItems[1].Text = "0b" + Convert.ToString(programm.Register[PICProgramm.ADDR_PORT_B], 2).PadLeft(8, '0');
-			lvSpecial.Items[7].SubItems[1].Text = programm.GetRegisterOhneBank(PICProgramm.ADDR_STATUS, PICProgramm.STATUS_BIT_C) ? "1" : "0";
-			lvSpecial.Items[8].SubItems[1].Text = programm.GetRegisterOhneBank(PICProgramm.ADDR_STATUS, PICProgramm.STATUS_BIT_DC) ? "1" : "0";
-			lvSpecial.Items[9].SubItems[1].Text = programm.GetRegisterOhneBank(PICProgramm.ADDR_STATUS, PICProgramm.STATUS_BIT_Z) ? "1" : "0";
-			lvSpecial.Items[10].SubItems[1].Text = string.Format("{0:0.000}ms", programm.WatchDog.time * 1000);
+			lvSpecial.Items[0].SubItems[1].Text  = string.Format("0x{0:X2}", programm.Register_W);
+			lvSpecial.Items[1].SubItems[1].Text  = string.Format("{0,4}", programm.PCCounter);
+			lvSpecial.Items[2].SubItems[1].Text  = string.Format("0b{0}", Convert.ToString(programm.GetRegisterOhneBank(PICProgramm.ADDR_STATUS), 2).PadLeft(8, '0'));
+			lvSpecial.Items[3].SubItems[1].Text  = string.Format("0b{0}", Convert.ToString(programm.GetRegisterOhneBank(PICProgramm.ADDR_OPTION), 2).PadLeft(8, '0'));
+			lvSpecial.Items[4].SubItems[1].Text  = string.Format("0b{0}", Convert.ToString(programm.GetRegisterOhneBank(PICProgramm.ADDR_INTCON), 2).PadLeft(8, '0'));
+			lvSpecial.Items[5].SubItems[1].Text  = string.Format("{0}ms", programm.Stepcount * int.Parse(insertTime.Text));
+			lvSpecial.Items[6].SubItems[1].Text  = "0b" + Convert.ToString(programm.Register[PICProgramm.ADDR_PORT_A], 2).PadLeft(8, '0');
+			lvSpecial.Items[7].SubItems[1].Text  = "0b" + Convert.ToString(programm.Register[PICProgramm.ADDR_PORT_B], 2).PadLeft(8, '0');
+			lvSpecial.Items[8].SubItems[1].Text  = programm.GetRegisterOhneBank(PICProgramm.ADDR_STATUS, PICProgramm.STATUS_BIT_C) ? "1" : "0";
+			lvSpecial.Items[9].SubItems[1].Text  = programm.GetRegisterOhneBank(PICProgramm.ADDR_STATUS, PICProgramm.STATUS_BIT_DC) ? "1" : "0";
+			lvSpecial.Items[10].SubItems[1].Text = programm.GetRegisterOhneBank(PICProgramm.ADDR_STATUS, PICProgramm.STATUS_BIT_Z) ? "1" : "0";
+			lvSpecial.Items[11].SubItems[1].Text = string.Format("{0:0.000}ms", programm.WatchDog.time * 1000);
 
 			lbStack.Items.Clear();
 			foreach (var u in programm.Stack) lbStack.Items.Add(u.ToString());
diff --git a/PIC_Simulator/PIC/PICProgramm.cs b/PIC_Simulator/PIC/PICProgramm.cs
index 2a30667..f8884e6 100644
--- a/PIC_Simulator/PIC/PICProgramm.cs
+++ b/PIC_Simulator/PIC/PICProgramm.cs
@@ -132,6 +132,8 @@ namespace PIC_Simulator.PIC
 		public PICTimer Zaehler;
 		public PICWatchDog WatchDog;
 
+		public byte Merker_RB0;
+
 		public PICProgramm(Form1 f)
 		{
 			Zaehler = new PICTimer(this);
@@ -810,7 +812,13 @@ namespace PIC_Simulator.PIC
 
 			Zaehler.TimerBerechnen(cycleCount);
 
-			WatchDog.Aktualisieren(cycleCount); 
+			WatchDog.Aktualisieren(cycleCount);
+
+			if (Merker_RB0 != Register[ADDR_PORT_B])
+			{
+				Interrupt_RB(Merker_RB0, Register[ADDR_PORT_B]);
+				Merker_RB0 = Register[ADDR_PORT_B];
+			}
 
 			return PCCounter >= befehle.Count;
 		}
diff --git a/Projektinformationen/Tabelle.txt b/Projektinformationen/Tabelle.txt
index 14db290..2ddfc7b 100644
--- a/Projektinformationen/Tabelle.txt
+++ b/Projektinformationen/Tabelle.txt
@@ -8,7 +8,7 @@
 [/] Variablenbezeichner / Variablennamen
 [X] INIT-Werte bei RESET
 [X] Laufzeitzähler
-[?] Latchfunktion der IO-Register
+[X] Latchfunktion der IO-Register
 [X] frei wählbare Quarzfrequenz
 [X] Breakpoints
 [X] Hardwareansteuerung
@@ -20,7 +20,7 @@
 [X] Testprogramm 6 (indirekte  Adressierung)
 [X] Testprogramm 7 (Timer 0 )
 [X] Ext. Taktgeber an RA4 + IO-Pin
-[ ] Testprogramm 7 (Interrupts)
+[X] Testprogramm 8 (Interrupts)
 [X] Testprogramm 9 (Sleep-Befehl)
 [X] Testprogramm 10 (PCL und PCLATH)
 [X] Testprogramm 11 (Watchdog, Vorteiler)