added ALU with first commands

src/components/Alu.cpp

@@ -0,0 +1,58 @@
+//
+// Created by black on 07.07.25.
+//
+
+#include "Alu.h"
+
+#include <vector>
+
+#include "Register.h"
+
+void Alu::calculate(const std::vector<std::string> &commandVector) {
+    /// Extrahiere den eigentlichen RISC-V Befehl für die ALU
+    const std::string &command = commandVector.at(0);
+
+    /// Extrahiere die Argumente des Befehls
+    const auto arg1 = parseArgument(commandVector.at(0));
+    const auto arg2 = parseArgument(commandVector.at(1));
+    int arg3 = 0;
+    if (!commandVector.at(2).empty()) {
+        arg3 = parseArgument(commandVector.at(2));
+    }
+
+    if (command == "add") {
+        const auto register1 = Register::getInstance().getRegister(arg2);
+        const auto register2 = Register::getInstance().getRegister(arg3);
+        const auto result = register1 + register2;
+        Register::getInstance().setRegister(arg1, result);
+    } else if (command == "sub") {
+        const auto register1 = Register::getInstance().getRegister(arg2);
+        const auto register2 = Register::getInstance().getRegister(arg3);
+        const auto result = register1 - register2;
+        Register::getInstance().setRegister(arg1, result);
+    } else if (command == "and") {
+        const auto register1 = Register::getInstance().getRegister(arg2);
+        const auto register2 = Register::getInstance().getRegister(arg3);
+        const auto result = register1 & register2;
+        Register::getInstance().setRegister(arg1, result);
+    } else if (command == "or") {
+        const auto register1 = Register::getInstance().getRegister(arg2);
+        const auto register2 = Register::getInstance().getRegister(arg3);
+        const auto result = register1 | register2;
+        Register::getInstance().setRegister(arg1, result);
+    } else if (command == "xor") {
+        const auto register1 = Register::getInstance().getRegister(arg2);
+        const auto register2 = Register::getInstance().getRegister(arg3);
+        const auto result = register1 ^ register2;
+        Register::getInstance().setRegister(arg1, result);
+    }
+}
+
+int Alu::parseArgument(std::string argument) {
+    /// Falls das erste Argument ein Register ist, entferne das führende "x"
+    if (argument.at(0) == 'x') {
+        argument = argument.substr(1, argument.length() - 1);
+    }
+    /// Da das Argument noch als String vorliegt, muss es in ein int umgewandelt werden
+    return std::stoi(argument);
+}