diff --git a/build.sh b/build.sh
index 6b9323c..d9ef61d 100755
--- a/build.sh
+++ b/build.sh
@@ -28,7 +28,7 @@ else
 fi
 
 echo "Assembling.."
-./bin/assembler projects/examples/dev.controller.usm bin/boot.rom
+./bin/assembler projects/examples/dev.keys.usm bin/boot.rom
 
 echo "Running.."
 if [ "${2}" = '--cli' ]; 
diff --git a/projects/examples/dev.audio.usm b/projects/examples/dev.audio.usm
index 809dbc2..cc8fd94 100644
--- a/projects/examples/dev.audio.usm
+++ b/projects/examples/dev.audio.usm
@@ -82,10 +82,6 @@ BRK
 
 BRK
 
-@ERROR
-
-BRK
-
 @touch-trk ( -- )
 	
 	,clear-notes JSR2
diff --git a/projects/examples/dev.console.usm b/projects/examples/dev.console.usm
index 5de2927..b3bfc94 100644
--- a/projects/examples/dev.console.usm
+++ b/projects/examples/dev.console.usm
@@ -30,6 +30,3 @@ RTN
 
 @text1 [ Welcome 20 to 20 UxnVM 0a00 ]
 @text2 [ Hello 20 World 0a00 ] 
-
-@FRAME BRK
-@ERROR BRK 
\ No newline at end of file
diff --git a/projects/examples/dev.controller.usm b/projects/examples/dev.controller.usm
index b5d08a2..d0a34fd 100644
--- a/projects/examples/dev.controller.usm
+++ b/projects/examples/dev.controller.usm
@@ -13,9 +13,9 @@
 |0100 ;System { vector 2 pad 6 r 2 g 2 b 2 }
 |0110 ;Console { pad 8 char 1 byte 1 short 2 }
 |0120 ;Screen { vector 2 width 2 height 2 pad 2 x 2 y 2 color 1 }
-|0130 ;Sprite { pad 8 x 2 y 2 addr 2 color 1 }
-|0140 ;Controller { p1 1 }
-|0150 ;Keys { key 1 }
+|0130 ;Sprite { vector 2 pad 6 x 2 y 2 addr 2 color 1 }
+|0140 ;Controller { vector 2 p1 1 }
+|0150 ;Keys { vector 2 key 1 }
 |0160 ;Mouse { x 2 y 2 state 1 chord 1 change 1 }
 |0170 ;File { pad 8 name 2 length 2 load 2 save 2 }
 |0180 ;Audio { ch1adsr 2 ch2adsr 2 ch3adsr 2 ch4adsr 2 ch1vol 1 ch1pitch 1 ch2vol 1 ch2pitch 1 ch3vol 1 ch3pitch 1 ch4vol 1 ch4pitch 1 }
@@ -34,13 +34,7 @@
 
 BRK
 
-@FRAME 
-
-	~Controller.p1 ,on-ctrl-arrows JNZ2
-
-BRK
-
-@on-ctrl-arrows
+@FRAME
 
 	#0a =slime
 	,default_icn =Sprite.addr
@@ -81,5 +75,3 @@ BRK
 @left_icn    [ 3c7e ef1f 1fef 7e3c ]
 @right_icn   [ 3c7e f7f8 f8f7 7e3c ]
 @slime_icn   [ 0000 183c 3c18 0000 ]
-
-@ERROR BRK 
diff --git a/projects/examples/dev.keys.usm b/projects/examples/dev.keys.usm
index d86c7d8..290904b 100644
--- a/projects/examples/dev.keys.usm
+++ b/projects/examples/dev.keys.usm
@@ -1,56 +1,60 @@
 ( Dev/Keys )
 
+%RTN { JMP2r }
 %8+  { #0008 ADD2 }
 %8*  { #0030 SFT2 }
 %MOD2 { #03 AND  }
 
-;cursor { x 2 y 2 blink 1 }
+;cursor { x 2 y 2 }
 
-|0100 ;Console { pad 8 char 1 byte 1 short 2 }
-|0110 ;Screen { width 2 height 2 pad 4 y 2 x 2 color 1 }
-|0120 ;Sprite { pad 8 x 2 y 2 addr 2 color 1 }
-|0130 ;Controller { buttons 1 }
-|0140 ;Keys { key 1 }
-|01F0 ;System { pad 8 r 2 g 2 b 2 }
-|0200 ^RESET JMP
-|0204 ,ERROR JMP2
-|0208 ,FRAME JMP2
+|0100 ;System { vector 2 pad 6 r 2 g 2 b 2 }
+|0110 ;Console { pad 8 char 1 byte 1 short 2 }
+|0120 ;Screen { vector 2 width 2 height 2 pad 2 x 2 y 2 color 1 }
+|0130 ;Sprite { vector 2 pad 6 x 2 y 2 addr 2 color 1 }
+|0140 ;Controller { vector 2 button 1 }
+|0150 ;Keys { vector 2 key 1 }
 
-@RESET 
+( program )
 
-	( theme ) #127f =System.r #34e7 =System.g #56c4 =System.b
+|0200 @RESET
+
+	( theme ) #0f73 =System.r #0fe3 =System.g #0fc3 =System.b
+	( vectors ) ,KEY =Keys.vector
+	( vectors ) ,BUTTON =Controller.vector
+	,draw-cursor JSR2
 	
 BRK
 
-@FRAME
-
-	( theme ) #0daf =System.r #02ff =System.g #035f =System.b
+@KEY
 	
-	( update cursor )
-	#02 =Sprite.color
-
 	,cursor_icn =Sprite.addr
-	~cursor.blink MOD2 #00 EQU =cursor.blink
+	,font #00 ~Keys.key 8* ADD2 =Sprite.addr
+	( draw ) #01 =Sprite.color
+	~Sprite.x 8+ =Sprite.x
+	( release ) #00 =Keys.key
+	,draw-cursor JSR2
 
-	~Keys #00 EQU ^$end JNZ
+BRK
 
+@BUTTON
+	
 	( enter key )
-	~Keys #0d NEQ ^$no-return JNZ
+	~Controller.button #08 NEQ ^$no-return JNZ 
+		#00 =Sprite.color
 		#0000 =Sprite.x
 		( incr ) ~Sprite.y 8+ =Sprite.y
-		( release ) #00 =Keys
-		BRK
+		( release ) #00 =Controller.button
+		,draw-cursor JSR2
 	$no-return
 
-	,font #00 ~Keys 8* ADD2 =Sprite.addr
-	( draw ) #01 =Sprite.color
-	( incr ) ~Sprite.x 8+ =Sprite.x
-	( release ) #00 =Keys
-
-	$end
-
 BRK
 
+@draw-cursor
+	
+	,cursor_icn =Sprite.addr #02 =Sprite.color
+
+RTN
+
 @cursor_icn [ ffff ffff ffff ffff ]
 
 @font ( spectrum-zx font ) 
@@ -89,6 +93,4 @@ BRK
 	0008 0808 0808 0800 0030 1008 0810 3000 0000 0032 4c00 0000 3c42 99a1 a199 423c
 ]
 
-@ERROR BRK 
-
 ;text { body 2 }
diff --git a/projects/examples/dev.mouse.usm b/projects/examples/dev.mouse.usm
index 335cf39..90ce813 100644
--- a/projects/examples/dev.mouse.usm
+++ b/projects/examples/dev.mouse.usm
@@ -16,13 +16,13 @@
 |0150 ;Mouse  { x 2 y 2 state 1 chord 1 }
 |0170 ;Audio { ch1adsr 2 ch2adsr 2 ch3adsr 2 ch4adsr 2 ch1vol 1 ch1pitch 1 ch2vol 1 ch2pitch 1 ch3vol 1 ch3pitch 1 ch4vol 1 ch4pitch 1 }
 |01F0 ;System { pad 8 r 2 g 2 b 2 }
-|0200 ^RESET JMP
-|0204 ,ERROR JMP2
-|0208 ,FRAME JMP2
 
-@RESET
+( program )
+
+|0200 @RESET
 
 	( theme ) #03fd =System.r #0ef3 =System.g #0bf2 =System.b
+	( vectors ) ,FRAME =Screen.vector
 	
 	#004f =Audio.ch1adsr #33 =Audio.ch1vol
 
diff --git a/projects/examples/dev.screen.usm b/projects/examples/dev.screen.usm
index 574163b..2208fd6 100644
--- a/projects/examples/dev.screen.usm
+++ b/projects/examples/dev.screen.usm
@@ -26,13 +26,13 @@
 |0120 ;Sprite { pad 8 x 2 y 2 addr 2 color 1 }
 |0150 ;Mouse  { x 2 y 2 state 1 chord 1 }
 |01F0 ;System { pad 8 r 2 g 2 b 2 }
-|0200 ^RESET JMP
-|0204 ,ERROR JMP2
-|0208 ,FRAME JMP2
 
-@RESET
+( program )
+
+|0200 @RESET
 
 	( theme ) #127f =System.r #34e7 =System.g #56c4 =System.b
+	( vectors ) ,FRAME =Screen.vector
 	
 	#00a0 =window.w
 	#0050 =window.h
diff --git a/projects/examples/dev.time.usm b/projects/examples/dev.time.usm
index 8809b13..3fcfe9d 100644
--- a/projects/examples/dev.time.usm
+++ b/projects/examples/dev.time.usm
@@ -21,17 +21,12 @@
 |0190 ;Time { year 2 month 1 day 1 hour 1 minute 1 second 1 dow 1 doy 2 isdst 1 get 1 }
 |01F0 ;System { pad 8 r 2 g 2 b 2 }
 
-( vectors )
-
-|0200 ^RESET JMP
-|0204 ,ERROR JMP2
-|0208 ,FRAME JMP2
-
 ( program )
 
-@RESET 
+|0200 @RESET
 	
 	( theme ) #0ff8 =System.r #0f08 =System.g #0f08 =System.b
+	( vectors ) ,FRAME =Screen.vector
 
 	#1000 =Audio.ch1adsr
 	#66 =Audio.ch1vol
diff --git a/projects/examples/gui.hover.usm b/projects/examples/gui.hover.usm
index b26eaaa..fb05fa2 100644
--- a/projects/examples/gui.hover.usm
+++ b/projects/examples/gui.hover.usm
@@ -14,13 +14,13 @@
 |0120 ;Sprite { pad 8 x 2 y 2 addr 2 color 1 }
 |0150 ;Mouse  { x 2 y 2 state 1 chord 1 }
 |01F0 ;System { pad 8 r 2 g 2 b 2 }
-|0200 ^RESET JMP
-|0204 ,ERROR JMP2
-|0208 ,FRAME JMP2
 
-@RESET
+( program )
+
+|0200 @RESET
 
 	( theme ) #0f0f =System.r #0fff =System.g #0ff0 =System.b
+	( vectors ) ,FRAME =Screen.vector
 	
 	#0020 #0030 #0060 #0060 =r1.y2 =r1.x2 =r1.y1 =r1.x1
 	#0058 #0050 #0090 #0080 =r2.y2 =r2.x2 =r2.y1 =r2.x1
diff --git a/projects/examples/gui.label.usm b/projects/examples/gui.label.usm
index 2b78f77..5b14a9b 100644
--- a/projects/examples/gui.label.usm
+++ b/projects/examples/gui.label.usm
@@ -10,13 +10,13 @@
 |0110 ;Screen { width 2 height 2 pad 4 x 2 y 2 color 1 }
 |0120 ;Sprite { pad 8 x 2 y 2 addr 2 color 1 }
 |01F0 ;System { pad 8 r 2 g 2 b 2 }
-|0200 ^RESET JMP
-|0204 ,ERROR JMP2
-|0208 ,FRAME JMP2
 
-@RESET
+( program )
+
+|0200 @RESET
 	
 	( theme ) #0f0f =System.r #0fff =System.g #0ff0 =System.b
+	( vectors ) ,FRAME =Screen.vector
 	
 	( find screen center )
 	~Screen.width #0002 DIV2 =center.x
diff --git a/projects/examples/gui.picture.usm b/projects/examples/gui.picture.usm
index d483b6d..95f28de 100644
--- a/projects/examples/gui.picture.usm
+++ b/projects/examples/gui.picture.usm
@@ -6,13 +6,13 @@
 
 |0120 ;Sprite { pad 8 x 2 y 2 addr 2 color 1 }
 |01F0 ;System { pad 8 r 2 g 2 b 2 }
-|0200 ^RESET JMP
-|0204 ,ERROR JMP2
-|0208 ,FRAME JMP2
 
-@RESET
+( program )
+
+|0200 @RESET
 
 	( theme ) #0ffc =System.r #0f0b =System.g #0f03 =System.b
+	( vectors ) ,FRAME =Screen.vector
 	
 	#0000 #0000 #0100 #0100 #01 ,pict_large ,draw-picture JSR2
 	#0098 #0060 #0080 #0080 #01 ,pict_medium ,draw-picture JSR2
diff --git a/projects/examples/gui.shapes.usm b/projects/examples/gui.shapes.usm
index 817c6be..a4ac1c9 100644
--- a/projects/examples/gui.shapes.usm
+++ b/projects/examples/gui.shapes.usm
@@ -16,11 +16,10 @@
 |0110 ;Screen { width 2 height 2 pad 4 x 2 y 2 color 1 }
 |0120 ;Sprite { pad 8 x 2 y 2 addr 2 color 1 }
 |01F0 ;System { pad 8 r 2 g 2 b 2 }
-|0200 ^RESET JMP
-|0204 ,ERROR JMP2
-|0208 ,FRAME JMP2
 
-@RESET
+( program )
+
+|0200 @RESET
 	
 	( theme ) #13fd =System.r #1ef3 =System.g #1bf2 =System.b
 	
@@ -160,6 +159,3 @@ RTN
 	8f83 8383 8383 83ff fff7 fdff c0e2 f1ff
 	7fef bfff 07af 5fff ffff ffff ffff ffff
 ]
-
-@FRAME BRK 
-@ERROR BRK 
diff --git a/src/emulator.c b/src/emulator.c
index dd34cec..eccfb83 100644
--- a/src/emulator.c
+++ b/src/emulator.c
@@ -351,7 +351,7 @@ void
 domouse(Uxn *u, SDL_Event *event)
 {
 	Uint8 flag = 0x00;
-	Uint16 addr = devmouse->addr;
+	Uint16 addr = devmouse->addr + 2;
 	Uint16 x = clamp(event->motion.x / ZOOM - PAD * 8, 0, HOR * 8 - 1);
 	Uint16 y = clamp(event->motion.y / ZOOM - PAD * 8, 0, VER * 8 - 1);
 	u->ram.dat[addr + 0] = (x >> 8) & 0xff;
@@ -381,7 +381,7 @@ void
 dotext(Uxn *u, SDL_Event *event)
 {
 	int i;
-	Uint16 addr = devkey->addr;
+	Uint16 addr = devkey->addr + 2;
 	if(SDL_GetModState() & KMOD_LCTRL || SDL_GetModState() & KMOD_RCTRL)
 		return;
 	for(i = 0; i < SDL_TEXTINPUTEVENT_TEXT_SIZE; ++i) {
@@ -396,7 +396,7 @@ void
 doctrl(Uxn *u, SDL_Event *event, int z)
 {
 	Uint8 flag = 0x00;
-	Uint16 addr = devctrl->addr;
+	Uint16 addr = devctrl->addr + 2;
 	if(z && event->key.keysym.sym == SDLK_h) {
 		if(SDL_GetModState() & KMOD_LCTRL)
 			toggledebug(u);
@@ -408,11 +408,11 @@ doctrl(Uxn *u, SDL_Event *event, int z)
 	case SDLK_LALT: flag = 0x02; break;
 	case SDLK_BACKSPACE:
 		flag = 0x04;
-		if(z) u->ram.dat[devkey->addr] = 0x08;
+		if(z) u->ram.dat[devkey->addr + 2] = 0x08;
 		break;
 	case SDLK_RETURN:
 		flag = 0x08;
-		if(z) u->ram.dat[devkey->addr] = 0x0d;
+		if(z) u->ram.dat[devkey->addr + 2] = 0x0d;
 		break;
 	case SDLK_UP: flag = 0x10; break;
 	case SDLK_DOWN: flag = 0x20; break;
@@ -592,10 +592,22 @@ start(Uxn *u)
 			case SDL_QUIT: quit(); break;
 			case SDL_MOUSEBUTTONUP:
 			case SDL_MOUSEBUTTONDOWN:
-			case SDL_MOUSEMOTION: domouse(u, &event); break;
-			case SDL_TEXTINPUT: dotext(u, &event); break;
-			case SDL_KEYDOWN: doctrl(u, &event, 1); break;
-			case SDL_KEYUP: doctrl(u, &event, 0); break;
+			case SDL_MOUSEMOTION:
+				domouse(u, &event);
+				evaluxn(u, devmouse->vector);
+				break;
+			case SDL_TEXTINPUT:
+				dotext(u, &event);
+				evaluxn(u, devkey->vector);
+				break;
+			case SDL_KEYDOWN:
+				doctrl(u, &event, 1);
+				evaluxn(u, devctrl->vector);
+				break;
+			case SDL_KEYUP:
+				doctrl(u, &event, 0);
+				evaluxn(u, devctrl->vector);
+				break;
 			case SDL_WINDOWEVENT:
 				if(event.window.event == SDL_WINDOWEVENT_EXPOSED)
 					redraw(pixels, u);