From 0d1db917c00438528f98187af62c8a2204af4e80 Mon Sep 17 00:00:00 2001
From: Darkress <30271678+DarkressX@users.noreply.github.com>
Date: Mon, 29 May 2023 03:09:14 +0200
Subject: [PATCH] implemented Xorlw Instruction

---
 de/darkress/pic16f84sim/commands/Xorlw.java   | 22 +++++++++++++++++++
 .../microcontroller/ProgramCounter.java       |  5 +++++
 2 files changed, 27 insertions(+)
 create mode 100644 de/darkress/pic16f84sim/commands/Xorlw.java

diff --git a/de/darkress/pic16f84sim/commands/Xorlw.java b/de/darkress/pic16f84sim/commands/Xorlw.java
new file mode 100644
index 0000000..a3e21af
--- /dev/null
+++ b/de/darkress/pic16f84sim/commands/Xorlw.java
@@ -0,0 +1,22 @@
+package de.darkress.pic16f84sim.commands;
+
+import de.darkress.pic16f84sim.microcontroller.Memory;
+
+public class Xorlw extends CommandUtils implements Command
+{
+    private final int literal;
+
+    public Xorlw(int input)
+    {
+        literal = input & 0x00FF;
+    }
+    @Override
+    public void execute()
+    {
+        int result = literal ^ Memory.workingRegister;
+
+        checkZeroBit(result);
+
+        Memory.workingRegister = result % 256;
+    }
+}
diff --git a/de/darkress/pic16f84sim/microcontroller/ProgramCounter.java b/de/darkress/pic16f84sim/microcontroller/ProgramCounter.java
index 7085d95..196d02e 100644
--- a/de/darkress/pic16f84sim/microcontroller/ProgramCounter.java
+++ b/de/darkress/pic16f84sim/microcontroller/ProgramCounter.java
@@ -15,4 +15,9 @@ public class ProgramCounter
     {
         ProgramCounter.PC = PC;
     }
+
+    public static void incPC()
+    {
+        PC++;
+    }
 }