diff --git a/c64/kernal/screen/screen_add_40_to_pntr.s b/c64/kernal/screen/screen_add_40_to_pntr.s
deleted file mode 100644
index 7e4b2c46..00000000
--- a/c64/kernal/screen/screen_add_40_to_pntr.s
+++ /dev/null
@@ -1,12 +0,0 @@
-
-/* YYY disabled - most likely not needed
-
-screen_add_40_to_PNTR:
-	
-	lda PNTR
-	clc
-	adc #40
-	sta PNTR
-
-	rts
-*/
\ No newline at end of file
diff --git a/c64/kernal/screen/screen_grow_logical_line.s b/c64/kernal/screen/screen_grow_logical_line.s
index 096e6bdd..bc5e6256 100644
--- a/c64/kernal/screen/screen_grow_logical_line.s
+++ b/c64/kernal/screen/screen_grow_logical_line.s
@@ -1,5 +1,5 @@
 
-// YYY test all the cases, does not work correctly yet!
+// YYY test all the cases
 
 
 screen_grow_logical_line_screen_up:
@@ -65,7 +65,7 @@ screen_grow_logical_line:
 	lda #<$03C0                        // start of destination row
 	sta EAL+0
 	sta USER+0
-	lda #<$03C0                        // start of source row
+	lda #<$0398                        // start of source row
 	sta SAL+0
 	sta PNT+0