added new instructions and new test

simulator_SIC_XE/include/machine.h

@@ -5,6 +5,9 @@
 #include <iostream>
 #include <vector>
 #include <memory>
+#include <atomic>
+#include <mutex>
+
 
 #include "constants.h"
 #include "device.h"
@@ -23,6 +26,7 @@ using std::cout;
 class Machine {
 public:
     Machine();
+    Machine(int speedkHz) : Machine() { this->speedkHz = speedkHz; }
     ~Machine();
 
     int getA() const { return A; }
@@ -74,7 +78,6 @@ public:
     // Set a file device at index `num` using the provided filename.
     void setFileDevice(int num, const std::string &filename);
 
-
     // Fetch and execute instructions
     int fetch();
     void execute();
@@ -83,6 +86,12 @@ public:
     bool execF2(int opcode, int operand);
     bool execSICF3F4(int opcode, int ni, int x, int b, int p, int e, int operand);
 
+    // Execution and speed control
+    int getSpeed() const;
+    void setSpeed(int kHz);
+    void start();
+    void stop();
+
     // error handling methods
     void notImplemented(string mnemonic);
     void invalidOpcode(int opcode);
@@ -102,6 +111,11 @@ private:
     std::vector<std::shared_ptr<Device>> devices;
     // fallback device returned when device slot is empty/invalid
     Device fallbackDevice;
+
+    // Execution control
+    std::atomic<bool> running{false};
+    std::atomic<int> speedkHz{1};  // Default 1 kHz
+    void tick();  // simulate a clock tick
 };