implemented btfss Instruction

de/darkress/pic16f84sim/commands/Andlw.java

@@ -1,7 +1,6 @@
 package de.darkress.pic16f84sim.commands;
 
 import de.darkress.pic16f84sim.microcontroller.Memory;
-import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
 
 public class Andlw extends LiteralCommandUtils implements Command
 {
@@ -19,6 +18,5 @@ public class Andlw extends LiteralCommandUtils implements Command
         checkZeroBit(result);
 
         Memory.workingRegister = result % 256;
-        ProgramCounter.incPC();
     }
 }

de/darkress/pic16f84sim/commands/Decfsz.java

@@ -25,7 +25,8 @@ public class Decfsz extends FileRegisterCommandUtils implements Command
 
         if((result % 256) == 0)
         {
-            ProgramCounter.incPC();
+            Nop nop = new Nop();
+            nop.execute(); // TODO: What happens if an interrupt gets triggered during the nop execution?
         }
         ProgramCounter.incPC();
     }

de/darkress/pic16f84sim/commands/Incfsz.java

@@ -25,7 +25,8 @@ public class Incfsz extends FileRegisterCommandUtils implements Command
 
         if((result % 256) == 0)
         {
-            ProgramCounter.incPC();
+            Nop nop = new Nop();
+            nop.execute(); // TODO: What happens if an interrupt gets triggered during the nop execution?
         }
         ProgramCounter.incPC();
     }

de/darkress/pic16f84sim/commands/Iorlw.java

@@ -1,7 +1,6 @@
 package de.darkress.pic16f84sim.commands;
 
 import de.darkress.pic16f84sim.microcontroller.Memory;
-import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
 
 public class Iorlw extends LiteralCommandUtils implements Command
 {
@@ -19,6 +18,5 @@ public class Iorlw extends LiteralCommandUtils implements Command
         checkZeroBit(result);
 
         Memory.workingRegister = result % 256;
-        ProgramCounter.incPC();
     }
 }

de/darkress/pic16f84sim/commands/Sublw.java

@@ -1,7 +1,6 @@
 package de.darkress.pic16f84sim.commands;
 
 import de.darkress.pic16f84sim.microcontroller.Memory;
-import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
 
 public class Sublw extends LiteralCommandUtils implements Command
 {
@@ -42,6 +41,5 @@ public class Sublw extends LiteralCommandUtils implements Command
         checkDigitCarryBit(literal);
 
         Memory.workingRegister = result % 256;
-        ProgramCounter.incPC();
     }
 }

de/darkress/pic16f84sim/commands/Xorlw.java

@@ -1,7 +1,6 @@
 package de.darkress.pic16f84sim.commands;
 
 import de.darkress.pic16f84sim.microcontroller.Memory;
-import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
 
 public class Xorlw extends LiteralCommandUtils implements Command
 {
@@ -19,6 +18,5 @@ public class Xorlw extends LiteralCommandUtils implements Command
         checkZeroBit(result);
 
         Memory.workingRegister = result % 256;
-        ProgramCounter.incPC();
     }
 }