added "beq" command

src/components/Alu.cpp

@@ -7,8 +7,15 @@
 
 #include "Memory.h"
 #include "Register.h"
+#include "../Manager.h"
+#include "../ProgramLoader.h"
 
 void Alu::calculate(const std::vector<std::string> &commandVector) {
+    /// Falls die aktuelle Zeile ein Label ist, return
+    if (const auto length = commandVector.at(0).size(); commandVector.at(0).at(length - 1) == ':') {
+        return;
+    }
+
     /// Extrahiere den eigentlichen RISC-V Befehl für die ALU
     const std::string &command = commandVector.at(0);
 
@@ -21,7 +28,7 @@ void Alu::calculate(const std::vector<std::string> &commandVector) {
     }
     /// Wandle Vektor[3] (das dritte Argument) nur um, falls dieser existiert
     int arg3 = 0;
-    if (commandVector.size() > 3) {
+    if (commandVector.size() > 3 && isdigit(commandVector.at(3).at(1))) {
         arg3 = parseArgument(commandVector.at(3));
     }
 
@@ -103,6 +110,14 @@ void Alu::calculate(const std::vector<std::string> &commandVector) {
         const auto data = Register::getInstance().getRegister(arg1);
         /// Speichere die Daten im angegeben RAM slot
         Memory::getInstance()->store(address, data);
+    } else if (command == "beq") {
+        const auto register1 = Register::getInstance().getRegister(arg1);
+        const auto register2 = Register::getInstance().getRegister(arg2);
+        const auto &label = commandVector.at(3);
+        const auto streamPos = ProgramLoader::getInstance()->getStreamPosition(label);
+        if (register1 == register2) {
+            Manager::getInstance()->setStreamPosition(streamPos);
+        }
     }
 }