added "jal" command

src/components/Alu.cpp

@@ -3,6 +3,8 @@
 //
 
 #include "Alu.h"
+
+#include <cstdint>
 #include <vector>
 
 #include "Memory.h"
@@ -126,6 +128,14 @@ void Alu::calculate(const std::vector<std::string> &commandVector) {
         if (register1 != register2) {
             Manager::getInstance()->setStreamPosition(streamPos);
         }
+    } else if (command == "jal") {
+        /// Jump and link Befehl
+        /// !!! Funktioniert nicht bei großen Daten aufgrund des casts des stream offsets zu int
+        const auto pos = static_cast<int>(Manager::getInstance()->getStreamPosition().operator std::streamoff());
+        const auto &label = commandVector.at(2);
+        const auto streamPos = ProgramLoader::getInstance()->getStreamPosition(label);
+        Register::getInstance().setRegister(arg1, pos);
+        Manager::getInstance()->setStreamPosition(streamPos);
     }
 }