diff --git a/projects/examples/demos/drum-rack.tal b/projects/examples/demos/drum-rack.tal
index 55efc35..d2025e4 100644
--- a/projects/examples/demos/drum-rack.tal
+++ b/projects/examples/demos/drum-rack.tal
@@ -152,7 +152,7 @@ BRK
 
 @on-message ( -> )
 	
-	.Console/read DEI #10 MOD ;play-pad JSR2
+	.Console/read DEI #0f AND ;play-pad JSR2
 
 BRK
 
@@ -387,7 +387,7 @@ RTN
 
 	STHkr 
 
-	DUP #04 / SWP #04 MOD TOS PAD-WIDTH ** ( center ) .pad-view/x1 LDZ2 ++ 
+	DUP #04 / SWP #03 AND TOS PAD-WIDTH ** ( center ) .pad-view/x1 LDZ2 ++ 
 	ROT TOS PAD-HEIGHT ** ( center ) .pad-view/y1 LDZ2 ++ 
 
 	( draw outline )
diff --git a/projects/examples/demos/font.tal b/projects/examples/demos/font.tal
index 5f97055..b5b5abc 100644
--- a/projects/examples/demos/font.tal
+++ b/projects/examples/demos/font.tal
@@ -136,7 +136,7 @@ RTN
 
 	&sprite ( char color -- )
 		STH 
-		( get addr ) DUP TOS #0048 ** ;font-data #0100 ++ ++ .Screen/addr DEO2
+		( get addr ) DUP TOS #30 SFT2 #30 SFT2k ROT POP ADD2 ;font-data #0100 ++ ++ .Screen/addr DEO2
 		( get width ) TOS ;font-data ++ LDA TOS
 		#00 #03
 		&ver
diff --git a/projects/examples/devices/audio.channels.tal b/projects/examples/devices/audio.channels.tal
index 83b2c66..190f465 100644
--- a/projects/examples/devices/audio.channels.tal
+++ b/projects/examples/devices/audio.channels.tal
@@ -60,7 +60,7 @@ BRK
 
 	( get note )
 	.counter LDZ #18 MOD #30 ADD 
-		.Audio0/pitch .counter LDZ #04 MOD #40 SFT ADD DEO
+		.Audio0/pitch .counter LDZ #03 AND #40 SFT ADD DEO
 
 	.counter LDZ #01 ADD .counter STZ
 	#00 .timer STZ
diff --git a/projects/examples/devices/console.lib.tal b/projects/examples/devices/console.lib.tal
index ede1d82..50505c5 100644
--- a/projects/examples/devices/console.lib.tal
+++ b/projects/examples/devices/console.lib.tal
@@ -49,7 +49,10 @@ RTN
 	    #0f AND ,&hex JMP
 
 	&hex
-	#30 ADD DUP #39 GTH #27 MUL ADD .Console/write DEO
+	#30 ADD DUP #3a LTH ,&not-alpha JCN
+	#27 ADD
+	&not-alpha
+	.Console/write DEO
 RTN
 
 @print-byte ( byte -- )
diff --git a/projects/examples/devices/datetime.tal b/projects/examples/devices/datetime.tal
index a90da81..96ad515 100644
--- a/projects/examples/devices/datetime.tal
+++ b/projects/examples/devices/datetime.tal
@@ -61,7 +61,7 @@ BRK
 	#00 .DateTime/minute DEI 2** ;table ADD2 LDA2
 		#00 SWP 4// DUP2k ADD2 ADD2 #0020 ADD2 SCALEY .needles/my STZ2
 		#00 SWP 4// DUP2k ADD2 ADD2 #0020 ADD2 SCALEX .needles/mx STZ2
-	#00 .DateTime/hour DEI 12HOURS #05 MUL 2** ;table ADD2 LDA2
+	#00 .DateTime/hour DEI 12HOURS #20 SFTk NIP ADD 2** ;table ADD2 LDA2
 		#00 SWP 2// #0040 ADD2 SCALEY .needles/hy STZ2
 		#00 SWP 2// #0040 ADD2 SCALEX .needles/hx STZ2
 
diff --git a/projects/software/asma.tal b/projects/software/asma.tal
index 1fb8b86..7c8b7af 100644
--- a/projects/software/asma.tal
+++ b/projects/software/asma.tal
@@ -223,7 +223,10 @@
 	    #0f AND ,&hex JMP
 
 	&hex
-	#30 ADD DUP #39 GTH #27 MUL ADD .Console/write DEO
+	#30 ADD DUP #3a LTH ,&not-alpha JCN
+	#27 ADD
+	&not-alpha
+	.Console/write DEO
 	JMP2r
 
 (