diff --git a/projects/examples/demos/bifurcan.tal b/projects/examples/demos/bifurcan.tal
index 4735faf..7d84ed4 100644
--- a/projects/examples/demos/bifurcan.tal
+++ b/projects/examples/demos/bifurcan.tal
@@ -121,7 +121,7 @@ RTN
 	&loop
 		( save-x ) OVR #03 MOD TOS 8** .anchor/x LDZ2 ADD2 .Screen/x DEO2
 		( save-y ) OVR #03 DIV TOS 8** .anchor/y LDZ2 ADD2 .Screen/y DEO2
-		( get digit* ) OVR STHkr DUP ADD TOS ;digits ADD2 LDA2 
+		( get digit* ) OVR STHkr ADDk TOS ;digits ADD2 LDA2 
 		( get bit ) ROT #0e SWP SUB SFT2 #0001 AND2 
 		( set tile ) 8** ;tiles ADD2 
 		( set style ) .style LDZ #40 SFT TOS ADD2
diff --git a/projects/examples/demos/drum-rack.tal b/projects/examples/demos/drum-rack.tal
index e2e4872..b400fd5 100644
--- a/projects/examples/demos/drum-rack.tal
+++ b/projects/examples/demos/drum-rack.tal
@@ -357,7 +357,7 @@ RTN
 
 @draw-mixer ( mixer -- )
 
-	DUP STH #00 SWP PAD-HEIGHT ** .mix-view/y1 LDZ2 ++ #0003 ++
+	STHk #00 SWP PAD-HEIGHT ** .mix-view/y1 LDZ2 ++ #0003 ++
 
 	( adsr )
 	DUP2 .mix-view/x1 LDZ2 SWP2
@@ -551,7 +551,7 @@ RTN
 
 @line-rect ( x1* y1* x2* y2* color -- )
 
-	( load ) .color STZ DUP2 STH2 .rect/y2 STZ2 .rect/x2 STZ2 DUP2 STH2 .rect/y1 STZ2 .rect/x1 STZ2
+	( load ) .color STZ STH2k .rect/y2 STZ2 .rect/x2 STZ2 STH2k .rect/y1 STZ2 .rect/x1 STZ2
 	STH2r INC2 STH2r
 	&ver
 		( save ) OVR2 .Screen/y DEO2
diff --git a/projects/examples/demos/piano.tal b/projects/examples/demos/piano.tal
index 5c69222..9056c02 100644
--- a/projects/examples/demos/piano.tal
+++ b/projects/examples/demos/piano.tal
@@ -10,7 +10,7 @@
 %TOS  { #00 SWP }
 %MOD  { DUP2 / * - }
 %GTS2 { #8000 ++ SWP2 #8000 ++ << }
-%2/  { #01 SFT }
+%2/   { #01 SFT }
 %2//  { #01 SFT2 }
 %4//  { #02 SFT2 }
 %8//  { #03 SFT2 }