From 80053eeda720123123983068dc917e8fc7702f3a Mon Sep 17 00:00:00 2001
From: Tiger <tiger@stargazer-developments.com>
Date: Fri, 15 Sep 2023 21:24:13 +0200
Subject: [PATCH] Implemented 0x6XKK

---
 include/chip8.h               |  8 ++++++++
 include/instruction_handler.h |  5 +++++
 src/chip8.cpp                 |  4 ++++
 src/instruction_handler.cpp   | 14 +++++++++++++-
 4 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/include/chip8.h b/include/chip8.h
index 4e7e126..56fc41f 100644
--- a/include/chip8.h
+++ b/include/chip8.h
@@ -87,5 +87,13 @@ public:
      * @return
      */
     unsigned short getRegister(unsigned char i);
+
+    /**
+     * Sets a value in the register (V)
+     *
+     * @param i The index of the register to set
+     * @param value The value to be set
+     */
+    void setRegister(unsigned char i, unsigned short value);
 };
 #endif //CHIP8_CHIP8_H
diff --git a/include/instruction_handler.h b/include/instruction_handler.h
index 200f3dc..f7e253a 100644
--- a/include/instruction_handler.h
+++ b/include/instruction_handler.h
@@ -49,6 +49,11 @@ private:
      * Handles Chip8 instruction 0x5000
      */
     static void handle5000(Chip8&, Instruction);
+
+    /**
+     * Handles Chip8 instruction 0x6000
+     */
+    static void handle6000(Chip8&, Instruction);
 public:
     InstructionHandler();
 
diff --git a/src/chip8.cpp b/src/chip8.cpp
index 3560831..0f21a5c 100644
--- a/src/chip8.cpp
+++ b/src/chip8.cpp
@@ -69,3 +69,7 @@ unsigned short Chip8::getProgramCounter() const {
 unsigned short Chip8::getRegister(unsigned char reg) {
     return this->v[reg];
 }
+
+void Chip8::setRegister(unsigned char reg, unsigned short value) {
+    this->v[reg] = value;
+}
diff --git a/src/instruction_handler.cpp b/src/instruction_handler.cpp
index eb29375..e13e415 100644
--- a/src/instruction_handler.cpp
+++ b/src/instruction_handler.cpp
@@ -7,6 +7,8 @@ InstructionHandler::InstructionHandler() {
     this->handlers[0x2000] = handle2000;
     this->handlers[0x3000] = handle3000;
     this->handlers[0x4000] = handle4000;
+    this->handlers[0x5000] = handle5000;
+    this->handlers[0x6000] = handle6000;
 }
 
 /**
@@ -108,4 +110,14 @@ void InstructionHandler::handle5000(Chip8& chip8, Instruction instruction) {
     if (chip8.getRegister(instruction.x()) == chip8.getRegister(instruction.y())) {
         chip8.setProgramCounter(chip8.getProgramCounter() + 2);
     }
-}
\ No newline at end of file
+}
+
+/**
+ * Handles the 0x6XKK Chip8 instruction which is used to put value KK in register V[x].
+ *
+ * @param chip8 The Chip8 instance
+ * @param instruction The Instruction instance
+ */
+void InstructionHandler::handle6000(Chip8& chip8, Instruction instruction) {
+    chip8.setRegister(instruction.x(), instruction.kk());
+}