diff --git a/main.cpp b/main.cpp
index 45625a2..860efb8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -64,30 +64,36 @@ int main(int argc, char** argv)
   cpu.state.SP = 0xFFFE;
   cpu.state.PC = 0x100;
 
-  const std::chrono::milliseconds delay(1);
+  const std::chrono::milliseconds delay(10);
 
-  while(!cpu.state.stopped)
-    {
-      std::cout
-        << "A:"   << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.A
-        << " F:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.getF()
-        << " B:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.B
-        << " C:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.C
-        << " D:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.D
-        << " E:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.E
-        << " H:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.H
-        << " L:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.L
-        << " SP:" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << (unsigned)cpu.state.SP
-        << " PC:" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << (unsigned)cpu.state.PC
-        << " PCMEM:"
-        << std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC) << ","
-        << std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+1) << ","
-        << std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+2) << ","
-        << std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+3) << std::endl;
+  try {
+    while(!cpu.state.stopped)
+      {
+        std::cout
+          << "A:"   << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.A
+          << " F:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.getF()
+          << " B:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.B
+          << " C:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.C
+          << " D:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.D
+          << " E:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.E
+          << " H:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.H
+          << " L:"  << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.L
+          << " SP:" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << (unsigned)cpu.state.SP
+          << " PC:" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << (unsigned)cpu.state.PC
+          << " PCMEM:"
+          << std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC) << ","
+          << std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+1) << ","
+          << std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+2) << ","
+          << std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+3) << std::endl;
 
-      cpu.step();
+        cpu.step();
 
-      std::this_thread::sleep_for(delay);
-    }
+
+        if(cpu.state.halted)
+          std::this_thread::sleep_for(delay);
+      }
+  } catch(CpuException& e) {
+    std::cerr << e.what() << std::endl;
+  }
 
 }