diff --git a/projects/examples/demos/life.tal b/projects/examples/demos/life.tal
index c045745..e88a46b 100644
--- a/projects/examples/demos/life.tal
+++ b/projects/examples/demos/life.tal
@@ -4,7 +4,7 @@
 	( Any live cell with more than three live neighbours dies, as if by overpopulation. )
 	( Any dead cell with exactly three live neighbours becomes a live cell, as if by reproduction. )
 
-|00 @System &vector $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2
+|00 @System &vector $2 &expansion $2 &wst $1 &rst $1 &metadata $2 &r $2 &g $2 &b $2 &debug $1 &state $1
 |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
 |30 @Audio0 &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $1
@@ -62,11 +62,11 @@
 	BRK
 
 @on-control ( -> )
-	( | toggle play )
-	.Controller/key DEI #20 NEQ ?{
-		;on-frame #0000 .Screen/vector DEI2 EQU2k ?{ ROT2 }
-		POP2 POP2 .Screen/vector DEO2 }
-	.Controller/button DEI #08 NEQ ?{ ;bank1 #0400 mclr }
+	.Controller/key DEI
+	( ) DUP #20 NEQ ?{
+		#0000 ;on-frame .Screen/vector DEI2 ORA ?{ SWP2 }
+		POP2 .Screen/vector DEO2 }
+	( ) #1b NEQ ?{ ;mmu/clear1 .System/expansion DEO2 }
 	BRK
 
 (
@@ -74,7 +74,7 @@
 
 @<run> ( -- )
 	( | clear buffer )
-	;bank2 #1000 mclr
+	;mmu/clear2 .System/expansion DEO2
 	( | <run> grid )
 	#4000
 	&ver ( -- )
@@ -85,7 +85,7 @@
 	POP2 POPr INC GTHk ?&ver
 	POP2
 	( | move buffer )
-	;bank2 ;bank1 #1000 mcpy
+	;mmu/move21 .System/expansion DEO2
 	( | draw )
 	!<draw-grid>
 
@@ -152,10 +152,12 @@
 
 @<draw-short> ( short* -- )
 	SWP <draw-byte>
+	( >> )
 
 @<draw-byte> ( byte color -- )
 	DUP #04 SFT <draw-hex>
 	#0f AND
+	( >> )
 
 @<draw-hex> ( char color -- )
 	#00 SWP #30 SFT2 ;font-hex ADD2 .Screen/addr DEO2
@@ -169,6 +171,7 @@
 	.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
@@ -186,27 +189,14 @@
 	POP2 POP2 POPr #01 JMP2r
 	&skip POP2 POP2 POPr #00 JMP2r
 
-(
-@|stdlib )
-
-@mclr ( addr* len* -- )
-	OVR2 ADD2 SWP2
-	&loop ( -- )
-		STH2k #00 STH2r STA
-		INC2 GTH2k ?&loop
-	POP2 POP2 JMP2r
-
-@mcpy ( src* dst* len* -- )
-	SWP2 STH2
-	OVR2 ADD2 SWP2
-	&loop ( -- )
-		LDAk STH2kr STA
-		INC2r INC2 GTH2k ?&loop
-	POP2 POP2 POP2r JMP2r
-
 (
 @|assets )
 
+@mmu ( programs )
+	&clear1 [ 01 1000 0000 =bank3 0000 =bank1 ]
+	&clear2 [ 01 1000 0000 =bank3 0000 =bank2 ]
+	&move21 [ 01 1000 0000 =bank2 0000 =bank1 ]
+
 @cursor-icn [ 80c0 e0f0 f8e0 1000 ]
 
 @fill-icn [ ffff ffff ffff ffff ]
@@ -226,5 +216,7 @@
 
 @bank1 $1000
 
-@bank2
+@bank2 $1000
+
+@bank3 $1000