register finalization

emulator/components/Register.cpp

@@ -5,17 +5,15 @@
 #include "Register.h"
 
 
-Register* Register::getInstance() {
-    if (m_instance == nullptr) {
-        m_instance = new Register();
-    } else {
-        m_instance = new Register();
-    }
-    return m_instance;
+Register& Register::getInstance() {
+    static Register instance;
+    return instance;
 }
 
-void Register::setRegister() {
+void Register::setRegister(const int reg, const int value) {
+    m_registers[reg] = value;
 }
 
-int Register::getRegister(int r) {
+int Register::getRegister(const int reg) const {
+    return m_registers[reg];
 }