diff --git a/GUSI/include/GUSIBasics.h b/GUSI/include/GUSIBasics.h
index 370769b..a26170e 100755
--- a/GUSI/include/GUSIBasics.h
+++ b/GUSI/include/GUSIBasics.h
@@ -170,4 +170,8 @@ int GUSI_sprintf(char * s, const char * format, ...);
 
 #endif /* GUSI_SOURCE */
 
+#if TARGET_API_MAC_CARBON
+#	define LMGetTicks() TickCount()
+#endif
+
 #endif /* _GUSIBasics_ */
diff --git a/GUSI/src/tangled/GUSIBasics.cp b/GUSI/src/tangled/GUSIBasics.cp
index 95349a3..7eb6380 100755
--- a/GUSI/src/tangled/GUSIBasics.cp
+++ b/GUSI/src/tangled/GUSIBasics.cp
@@ -347,6 +347,7 @@ void GUSIHandleNextEvent(long sleepTime)
 	
 	if (WaitNextEvent(gGUSIEventMask|1, &event, sleepTime, nil))
 		switch (event.what) {
+#if !TARGET_API_MAC_CARBON
 		case mouseDown:
 			if (!gGUSIEventHook[mouseDown]) {
 				WindowPtr win;
@@ -355,6 +356,7 @@ void GUSIHandleNextEvent(long sleepTime)
 				return;
 			}
 			break;
+#endif
 		case kHighLevelEvent:
 			AEProcessAppleEvent(&event);	// Ignore errors
 				
diff --git a/GUSI/src/tangled/GUSIConfig.cp b/GUSI/src/tangled/GUSIConfig.cp
index 6b0c408..fbfd240 100755
--- a/GUSI/src/tangled/GUSIConfig.cp
+++ b/GUSI/src/tangled/GUSIConfig.cp
@@ -200,6 +200,7 @@ void GUSIConfiguration::DoAutoSpin() const
 // <Member functions for class [[GUSIConfiguration]]>=                     
 void GUSIConfiguration::DoAutoInitGraf()
 {
+#if !TARGET_API_MAC_CARBON
 	Ptr curA5 = LMGetCurrentA5();
 	
 	if (!(reinterpret_cast<long>(curA5) & 1) 
@@ -208,6 +209,7 @@ void GUSIConfiguration::DoAutoInitGraf()
 	)
 		if (*reinterpret_cast<GrafPtr **>(curA5) != &qd.thePort)
 			InitGraf(&qd.thePort);
+#endif
 	fAutoInitGraf	=	false;	
 }
 // [[BrokenPipe]] raises a [[SIGPIPE]] signal if desired.                  
@@ -222,6 +224,7 @@ void GUSIConfiguration::BrokenPipe()
 void GUSIConfiguration::CheckInterrupt()
 {
 	if (fSigInt) {
+#if !TARGET_API_MAC_CARBON
 		EvQElPtr		eventQ;
 
 		for (eventQ = (EvQElPtr) LMGetEventQueue()->qHead; eventQ; )
@@ -231,6 +234,12 @@ void GUSIConfiguration::CheckInterrupt()
 				break; 
 			} else
 				eventQ = (EvQElPtr)eventQ->qLink;
+#else
+		if ( CheckEventQueueForUserCancel() ) {
+			raise(SIGINT);
+			FlushEvents(-1, 0);
+		}
+#endif
 	}
 }
 // Checking for the Command-Period key combination is rather complex. Our technique is copied