NASSP ACE

diff --git a/Orbitersdk/samples/ProjectApollo/src_csm/csm_telecom.cpp b/Orbitersdk/samples/ProjectApollo/src_csm/csm_telecom.cpp
index a17638d..9b8b872 100644
--- a/Orbitersdk/samples/ProjectApollo/src_csm/csm_telecom.cpp
+++ b/Orbitersdk/samples/ProjectApollo/src_csm/csm_telecom.cpp
@@ -4227,3 +4227,18 @@ void DSE::SaveState(FILEHANDLE scn) {
    sprintf(buffer, "%lf %lf %lf %i %lf", tapeSpeedInchesPerSecond, desiredTapeSpeed, tapeMotion, state, lastEventTime);
    oapiWriteScenario_string(scn, "DATARECORDER", buffer);
 }
+
+void ACE::Init(Saturn *vessel) {
+   sat = vessel;
+}
+
+void ACE::TimeStep(double simt) {
+   if (sat->LeftAudioPowerSwitch.IsUp()) {
+       sat->cws.SetPlaySounds(true);
+       //sprintf(oapiDebugString(), "Master Alarm Tone enabled.");
+   }
+   else {
+       sat->cws.SetPlaySounds(false);
+       //sprintf(oapiDebugString(), "Master Alarm Tone disabled.");
+   }
+}
\ No newline at end of file
diff --git a/Orbitersdk/samples/ProjectApollo/src_csm/csm_telecom.h b/Orbitersdk/samples/ProjectApollo/src_csm/csm_telecom.h
index e193424..cd6402c 100644
--- a/Orbitersdk/samples/ProjectApollo/src_csm/csm_telecom.h
+++ b/Orbitersdk/samples/ProjectApollo/src_csm/csm_telecom.h
@@ -382,4 +382,14 @@ public:
    bool scanlimitwarn;
 private:
    void ServoDrive(double &Angle, double AngleCmd, double RateLimit, double simdt);
+};
+
+class ACE {
+public:
+   //ACE();
+   void Init(Saturn *vessel);
+   void TimeStep(double simt);
+   //bool IsPowered();
+
+   Saturn *sat;
 };
\ No newline at end of file
diff --git a/Orbitersdk/samples/ProjectApollo/src_csm/satsystems.cpp b/Orbitersdk/samples/ProjectApollo/src_csm/satsystems.cpp
index fc8d1fc..5f9e8ce 100644
--- a/Orbitersdk/samples/ProjectApollo/src_csm/satsystems.cpp
+++ b/Orbitersdk/samples/ProjectApollo/src_csm/satsystems.cpp
@@ -373,6 +373,7 @@ void Saturn::SystemsInit() {
    hga.Init(this);
    dataRecorder.Init(this);
    pcm.Init(this);
+   ace.Init(this);

    // Optics initialization
    optics.Init(this);
@@ -563,7 +564,8 @@ void Saturn::SystemsTimestep(double simt, double simdt, double mjd) {
        if (!agc.Yaagc) {
            // PCM update unless yaAGC did it earlier
            pcm.TimeStep(MissionTime);
-       }
+       }
+       ace.TimeStep(MissionTime);
        pmp.TimeStep(MissionTime);
        usb.TimeStep(MissionTime);
        hga.TimeStep(MissionTime, simdt);
diff --git a/Orbitersdk/samples/ProjectApollo/src_csm/saturn.h b/Orbitersdk/samples/ProjectApollo/src_csm/saturn.h
index b6973d9..da07e4c 100644
--- a/Orbitersdk/samples/ProjectApollo/src_csm/saturn.h
+++ b/Orbitersdk/samples/ProjectApollo/src_csm/saturn.h
@@ -3611,6 +3611,7 @@ protected:
    USB  usb;
    HGA  hga;
    EMS  ems;
+   ACE  ace;

    // CM Optics
    CMOptics optics;
@@ -4491,6 +4492,7 @@ protected:
    friend class USB;
    friend class HGA;
    friend class DSE;
+   friend class ACE;
    friend class EMS;
    friend class ORDEAL;
    friend class SPSPropellantSource;