diff --git a/src/kernal/init/e518.cint_legacy.s b/src/kernal/init/e518.cint_legacy.s
index 04815503..23ef60ec 100644
--- a/src/kernal/init/e518.cint_legacy.s
+++ b/src/kernal/init/e518.cint_legacy.s
@@ -14,10 +14,25 @@
 
 cint_legacy: // $E518
 
+#if ROM_LAYOUT_M65
+
+	jsr M65_MODEGET
+	bcs !+
+
+	jsr M65_MODESET
+	bra cint_legacy_end
+!:
+#endif
+
 	// Setup video and I/O
 	// See here: https://csdb.dk/forums/index.php?roomid=11&topicid=17048&firstpost=22
+	
 	jsr vicii_init
 
+	// FALLTROUGH
+
+cint_legacy_end:
+
 	// Code below must be placed under $E51B, or some code will break - see here:
 	// - https://csdb.dk/forums/index.php?roomid=11&topicid=17048&firstpost=2
 	// Game 'Operacja Proboszcz' is one example.
diff --git a/src/kernal/screen/e544.clear_screen.s b/src/kernal/screen/e544.clear_screen.s
index 8c3abe1d..a153885e 100644
--- a/src/kernal/screen/e544.clear_screen.s
+++ b/src/kernal/screen/e544.clear_screen.s
@@ -12,6 +12,14 @@
 
 clear_screen:
 
+
+#if ROM_LAYOUT_M65
+
+	jsr M65_MODEGET
+	bcc_16 M65_CLRSCR
+
+#endif
+
 	// Clear the line link table - cheecked on original ROMs,
 	// the highest bit set means that the line is NOT a logical
 	// continuation of the previous one