diff --git a/tcc/day9.tal b/tcc/day9.tal
index 15f8d06..eec2299 100644
--- a/tcc/day9.tal
+++ b/tcc/day9.tal
@@ -57,7 +57,21 @@ JMP2r
 @on-frame ( -> )
 
 	( paint pixels )
-	.f LDZ2k INC2 #007f AND2 ROT STZ2
+	.f LDZ2 #00ff AND2
+	( x )
+	DUP2 #001f ADD2 #007f AND2 #10 SFT2 ;cos ADD2 LDA2 #0a SFT2
+		#00e0 SUB2 ,&x STR2
+	( y )
+	DUP2 #007f AND2 #10 SFT2 ;cos ADD2 LDA2 #0a SFT2 #0018 ADD2
+		,&y STR2
+	POP2
+	[ LIT2 &x $2 ]
+		.f LDZ2 #02 SFT2 #007f AND2 #10 SFT2 ;cos ADD2 LDA2 #09 SFT2 ADD2
+	[ LIT2 &y $2 ]
+	
+	;paint-shape JSR2
+
+	.f LDZ2k INC2 ROT STZ2
 
 BRK
 
@@ -112,6 +126,19 @@ JMP2r
 
 JMP2r
 
+@paint-shape ( x* y* -- )
+
+	,&y STR2 ,&x STR2
+	.f LDZ2 #01 SFT2 #007f AND2 #10 SFT2 ;cos ADD2 LDA2 #07 SFT2 NIP #00
+	&l
+		#00 OVR STH2
+		[ LIT2 &x $2 ] STH2kr #0007 AND2 ADD2
+		[ LIT2 &y $2 ] STH2r #03 SFT2 ADD2 ;paint-pixel JSR2
+		INC GTHk ,&l JCN
+	POP2
+
+JMP2r
+
 @paint-pixel ( x* y* -- )
 
 	OVR2 OVR2 ;get-pixel JSR2 INC2 #03 AND ;put-pixel JSR2