diff --git a/README.md b/README.md
index 4f1f0ec..d703500 100644
--- a/README.md
+++ b/README.md
@@ -90,17 +90,6 @@ RTS
 
 - Load external disk in disk2
 - Build hex editor
-- Build sprite editor
-
-### Examples
-
-- Basics:
-	- Simple drag/drop redraw
-	- Window basics with open/close drag/drop redraw
-	- Example of button pointing to a subroutine
-- GUI:
-	- Line routine
-	- Extra frame buffer addressing? Mirror sprites?
 
 ### Assembler
 
diff --git a/examples/app.hex.usm b/examples/app.hex.usm
deleted file mode 100644
index 602d696..0000000
--- a/examples/app.hex.usm
+++ /dev/null
@@ -1,45 +0,0 @@
-( app/hex )
-
-&Sprite     { pad 8 x 2 y 2 addr 2 color 1 }
-
-;color 1 ;addr 2 ;i 1
-
-|0100 @RESET
-
-	@loop
-		#00 ~i #0018 MUL2 #0008 ADD2 #0040 #01 ,font #00 ~i ADD2 ,draw-byte JSR
-		( incr ) ~i #01 ADD =i
-		,loop ~i #08 LTH JMP? POP2
-
-BRK
-
-|0200 @FRAME BRK 
-
-@draw-byte ( x y color addr )
-	
-	( load ) =addr =color =dev/sprite.y =dev/sprite.x
-	,font #00 ~addr LDR #f0 AND #04 ROR #08 MUL ADD2 =dev/sprite.addr #01 =dev/sprite.color
-	~dev/sprite.x #0008 ADD2 =dev/sprite.x
-	,font #00 ~addr LDR #0f AND #08 MUL ADD2 =dev/sprite.addr #01 =dev/sprite.color
-
-RTS
-
-@font ( 0-F ) 
-[
-	7c82 8282 8282 7c00 3010 1010 1010 1000
-	7c82 027c 8080 fe00 7c82 027c 0282 7c00
-	4282 82fe 0202 0200 fc82 807c 0282 7c00
-	7c82 80fc 8282 7c00 7c82 021e 0202 0200
-	7c82 827c 8282 7c00 7c82 827e 0202 0400
-	7c82 027e 8282 7e00 fc82 82fc 8282 fc00
-	7c82 8080 8082 7c00 fc82 8282 8282 fc00
-	7c82 80f0 8082 7c00 7c82 80f0 8080 8000
-]
-
-
-|d000 @ERROR BRK 
-
-|FF20 ;dev/sprite  Sprite
-
-|FFF0 .RESET .FRAME .ERROR ( vectors )
-|FFF8 [ 13fd 1ef3 1bf2 ] ( palette )
\ No newline at end of file
diff --git a/examples/app.nasu.usm b/examples/app.nasu.usm
index 0fab564..c5a3e61 100644
--- a/examples/app.nasu.usm
+++ b/examples/app.nasu.usm
@@ -1,8 +1,15 @@
 ( app/nasu )
 
+(
+	arrows - move
+	click  - Paint/Select cell
+	1 2 3  - Select brush
+)
+
 &Screen     { width 2 height 2 pad 4 x 2 y 2 color 1 }
 &Sprite     { pad 8 x 2 y 2 addr 2 color 1 }
 &Controller { buttons 1 }
+&Keyboard   { key 1 }
 &Mouse      { x 2 y 2 state 1 chord 1 change 1 }
 &File       { pad 8 name 2 length 2 load 2 save 2 }
 
@@ -41,6 +48,16 @@ BRK
 
 	( keyboard controls )
 
+	,no-key ~dev/key #00 EQU JMP? POP2
+	
+		,no-key ~dev/key #31 LTH JMP? POP2
+		,no-key ~dev/key #33 GTH JMP? POP2
+		( select ) ~dev/key #31 SUB =bankview.mode
+		( release ) #00 =dev/key
+		,redraw JSR 
+
+	@no-key
+
 	,no-ctrl ~dev/ctrl.buttons #00 EQU JMP? POP2
 
 		,no-ctrl-up ~dev/ctrl.buttons #10 EQU JMP? POP2
@@ -69,7 +86,7 @@ BRK
 		,no-toolbar-click ~dev/mouse.y ~bankview.y #0010 SUB2 SUB2 #0008 DIV2 #0000 NEQ2 JMP? POP2
 
 			( brush )
-			
+
 			,no-brush-click ~dev/mouse.x ~bankview.x SUB2 #0008 DIV2 #000d LTH2 JMP? POP2
 			,no-brush-click ~dev/mouse.x ~bankview.x SUB2 #0008 DIV2 #000f GTH2 JMP? POP2
 				( select ) ~mouse.x ~bankview.x SUB2 #0008 DIV2 #000d SUB2 SWP POP =bankview.mode
@@ -694,6 +711,7 @@ RTS
 |FF10 ;dev/screen Screen
 |FF20 ;dev/sprite Sprite
 |FF30 ;dev/ctrl   Controller
+|FF40 ;dev/key     Keyboard
 |FF50 ;dev/mouse  Mouse
 |FF60 ;dev/file   File
 
diff --git a/examples/old.paint.usm b/examples/old.paint.usm
deleted file mode 100644
index e531edb..0000000
--- a/examples/old.paint.usm
+++ /dev/null
@@ -1,95 +0,0 @@
-( sprite )
-
-:dev/r fff8 ( std read port )
-:dev/w fff9 ( std write port )
-
-&Point2d { x 2 y 2 }
-
-;mouse Point2d
-;state 1 ;color 1 ;brush 2
-
-|0100 @RESET 
-
-	#05 =dev/r ( set dev/read mouse )
-	#02 =dev/w ( set dev/write to sprite ) 
-
-	#05 =color ( select a default color )
-	,brush_large =brush ( select a default brush )
-
-	,draw-interface JSR 
-
-BRK
-
-|c000 @FRAME
-	
-	( clear last cursor )
-	#10 ,clear_icn ~mouse.x ~mouse.y ,draw-sprite JSR
-	( record mouse values )
-	#00 IOR2 =mouse.x #02 IOR2 =mouse.y
-	#04 IOR #11 ADD =state
-	~state ,cursor_icn ~mouse.x ~mouse.y ,draw-sprite JSR
-
-	( check click )
-	#04 IOR #00 EQU ,end-touch ROT JMP? POP2
-
-		( check interface )
-		#00 IOR2 #0008 DIV2 #0001 NEQ2 ,end-interface ROT JMP? POP2
-
-			@option0
-			#02 IOR2 #0008 DIV2 #0004 NEQ2 ,option1 ROT JMP? POP2
-				,brush_large =brush BRK
-			@option1
-			#02 IOR2 #0008 DIV2 #0005 NEQ2 ,option2 ROT JMP? POP2
-				,brush_small =brush BRK
-			@option2
-			#02 IOR2 #0008 DIV2 #0006 NEQ2 ,option3 ROT JMP? POP2
-				,brush_tiny =brush BRK
-			@option3
-			#02 IOR2 #0008 DIV2 #000b NEQ2 ,option4 ROT JMP? POP2
-				#05 =color BRK
-			@option4
-			#02 IOR2 #0008 DIV2 #000c NEQ2 ,option5 ROT JMP? POP2
-				#0a =color BRK
-			@option5
-			#02 IOR2 #0008 DIV2 #000d NEQ2 ,option6 ROT JMP? POP2
-				#0f =color BRK
-			@option6
-
-			BRK
-		@end-interface
-
-		~color ~brush ~mouse.x #0004 SUB2 ~mouse.y #0004 SUB2 ,draw-sprite JSR
-	@end-touch
-
-BRK
-
-@draw-interface
-	#05 ,brush_large #0008 #0020 ,draw-sprite JSR
-	#05 ,brush_small #0008 #0028 ,draw-sprite JSR
-	#05 ,brush_tiny  #0008 #0030 ,draw-sprite JSR
-	#05 ,brush_large #0008 #0058 ,draw-sprite JSR
-	#0a ,brush_large #0008 #0060 ,draw-sprite JSR
-	#0f ,brush_large #0008 #0068 ,draw-sprite JSR
-	RTS
-
-@draw-sprite
-	IOW2 ( y byte )
-	IOW2 ( x byte )
-	IOW2 ( sprite address )
-	IOW ( layer-color )
-	RTS
-
-|0200 @SPRITESHEET
-
-@cursor_icn  [ 80c0 e0f0 f8e0 1000 ]
-@clear_icn   [ 0000 0000 0000 0000 ]
-@brush_large [ 387c fefe fe7c 3800 ]
-@brush_small [ 0038 7c7c 7c38 0000 ]
-@brush_tiny  [ 0000 1038 1000 0000 ]
-
-BRK
-
-|d000 @ERROR BRK 
-
-|FFF0 .RESET .FRAME .ERROR
-|FFF8 [ f1c3 f12e f12a ] ( palette )