diff --git a/gui/romviz/romviz.tal b/gui/romviz/romviz.tal
index 24de634..cb6ff13 100644
--- a/gui/romviz/romviz.tal
+++ b/gui/romviz/romviz.tal
@@ -3,6 +3,8 @@
 |00 @System &vector $2 &pad $6 &r $2 &g $2 &b $2
 |10 @Console &vector $2 &read $1 &pad $5 &write $1 &error $1
 |20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
+|80 @Controller &vector $2 &button $1 &key $1
+|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &chord $1
 |a0 @File &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
 
 |0000 ( -> )
@@ -24,27 +26,40 @@ BRK
 @on-ready ( -> )
 
 	( theme ) [
-	#014e .System/r DEO2
-	#07d1 .System/g DEO2
-	#0bf1 .System/b DEO2 ]
+	#f41e .System/r DEO2
+	#fa71 .System/g DEO2
+	#f4b1 .System/b DEO2 ]
 	( resize )
-	#0200
+	#0240
 		DUP2 .Screen/width DEO2
 		.Screen/height DEO2
 	draw-memory
-	( test )
-	#f000 #0100
-	&l
-		STH2k MULk STH2r draw-byte
-		INC2 GTH2k ?&l
-	POP2 POP2
+	;on-mouse .Mouse/vector DEO2
 
 BRK
 
+@on-mouse ( -> )
+
+	[ LIT2 00 -Mouse/state ] DEI NEQ #41 ADD ;cursor-icn update-cursor
+
+	.Mouse/state DEI ?&on-mouse-down
+
+BRK
+
+&on-mouse-down ( -> )
+
+	( TODO: )
+
+BRK
+
+(
+@|drawing )
+
 @draw-memory ( -- )
 
 	;src .File/name DEO2
 	#0001 .File/length DEO2
+	;pixel-icn .Screen/addr DEO2
 	LIT2r 0000
 	&stream
 		;&buf .File/read DEO2
@@ -55,6 +70,23 @@ BRK
 
 JMP2r
 
+@update-cursor ( color addr* -- )
+
+	[ LIT2 00 -Screen/auto ] DEO
+	#40 draw-cursor
+	.Mouse/x DEI2 ,draw-cursor/x STR2
+	.Mouse/y DEI2 ,draw-cursor/y STR2
+	.Screen/addr DEO2
+
+@draw-cursor ( color -- )
+
+	[ LIT2 &x $2 ] .Screen/x DEO2
+	[ LIT2 &y $2 ] .Screen/y DEO2
+	.Screen/sprite DEO
+
+JMP2r
+
+
 (
 @|stdlib )
 
@@ -62,26 +94,27 @@ JMP2r
 
 	addr-pos .Screen/y DEO2 .Screen/x DEO2
 	DUP #00 NEQ ?&no-null
-		.Screen/pixel DEO JMP2r
+		.Screen/sprite DEO JMP2r
 		&no-null
 	DUP #20 GTH ?&no-low
-		POP #01 .Screen/pixel DEO JMP2r
+		POP #05 .Screen/sprite DEO JMP2r
 		&no-low
 	#80 GTH ?&no-ascii
-		#02 .Screen/pixel DEO JMP2r
+		#0a .Screen/sprite DEO JMP2r
 		&no-ascii
-	#03 .Screen/pixel DEO
+	#0f .Screen/sprite DEO
 
 JMP2r
 
 @addr-pos ( addr* -- x* y* )
 
 	STH2k
-	( pixel x ) #000f AND2 
+	( pixel x ) #000f AND2
 	( block x ) STH2kr #48 SFT2 ADD2 #00ff AND2
+		#10 SFT2 #0020 ADD2
 	( pixel y ) STHk2r #04 SFT2 #000f AND2
-	( block y ) STH2kr #4c SFT2 ADD2
-	POP2r
+	( block y ) STH2r #4c SFT2 ADD2
+		#10 SFT2 #0020 ADD2
 
 JMP2r
 
@@ -92,3 +125,11 @@ JMP2r
 @pstr ( str* -- ) &w LDAk #18 DEO INC2 LDAk ?&w POP2 JMP2r
 @phex ( short* -- ) SWP phex/b &b DUP #04 SFT phex/c &c #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO JMP2r
 
+(
+@|assets )
+
+@pixel-icn [
+	c0c0 0000 0000 0000 ]
+@cursor-icn [
+	80c0 e0f0 f8e0 1000 ]
+