diff --git a/projects/nibble-dice-tracker.tal b/projects/nibble-dice-tracker.tal
index 2bfc471..41882df 100644
--- a/projects/nibble-dice-tracker.tal
+++ b/projects/nibble-dice-tracker.tal
@@ -37,7 +37,8 @@
 %column-size { #08 }
 %num-bytes { #30 } ( number of bytes shown as dice )
 
-%col-sep { #0024 } ( separation between byte columns )
+%col-sep { #0024 } ( separation between byte columns: 20 for the byte, 4 as space )
+%col-height { #0080 } ( 8 rows of 2x8 pixels each )
 
 
 ( variables )
@@ -77,6 +78,11 @@
 	#1d81 .System/g DEO2 
 	#1c37 .System/b DEO2
 
+	( center y axis )
+	.Screen/height DEI2	
+	col-height SUB2 #0002 DIV2
+	;pos-y-dev STA2
+
 
 	( set initial values )
 	#00
diff --git a/roms/nibble-dice-tracker.rom b/roms/nibble-dice-tracker.rom
index 7780928..3287a81 100644
Binary files a/roms/nibble-dice-tracker.rom and b/roms/nibble-dice-tracker.rom differ