diff --git a/devices/pc8080/machine/vt100/machine.xml b/devices/pc8080/machine/vt100/machine.xml
index 4f6aa4dbf..b8641c7c5 100644
--- a/devices/pc8080/machine/vt100/machine.xml
+++ b/devices/pc8080/machine/vt100/machine.xml
@@ -18,5 +18,5 @@
 	</video>
 	<keyboard id="keyboard"/>
 	<panel ref="/devices/pc8080/panel/wide.xml"/>
-	<debugger id="debugger" commands="s 8086"/>
+	<debugger id="debugger" messages="mem|halt" commands="s 8086"/>
 </machine>