uxn

commit 3e1183285a94a0930c9b09fd4fa73ac3a5d24fda
parent 46e2374049552fcaabadb3e573c0527cc841bb3c
Author: Devine Lu Linvega <aliceffekt@gmail.com>
Date:   Sun, 21 Jan 2024 09:51:23 -0800

(hilbert) Optimizations

Diffstat:
M
projects/examples/demos/hilbert.tal
 | 
21
+++++++++------------

1 file changed, 9 insertions(+), 12 deletions(-)
diff --git a/projects/examples/demos/hilbert.tal b/projects/examples/demos/hilbert.tal
@@ -55,8 +55,15 @@
 		[ LIT2 &t $2 ] DUP2 #02 SFT2 ,&t STR2
 		( ) DUP2 #01 SFT2 #0001 AND2 DUP2 ,&rx STR2
 		( ) EOR2 #0001 AND2 ,&ry STR2
-		[ LIT2 &x $2 ] [ LIT2 &y $2 ] [ LIT2 &rx $2 ] [ LIT2 &ry $2 ]
-		( ) STH2kr rot
+		[ LIT2 &x $2 ] [ LIT2 &y $2 ] [ LIT2 &ry $2 ]
+		( ) DUP2r [ LIT2r 0001 ] SUB2r
+		( | rot )
+		ORA ?{
+			[ LIT2 &rx $2 ] #0001 NEQ2 ?{
+				( rx-n-1 ) SWP2 STH2kr SWP2 SUB2
+				( ry-n-1 ) SWP2 STH2kr SWP2 SUB2 }
+			( swap ) SWP2 }
+		POP2r
 		( ) STH2kr ,&ry LDR2 MUL2 ADD2 ,&y STR2
 		( ) STH2r ,&rx LDR2 MUL2 ADD2 ,&x STR2
 		DUP ADD GTHk ?&l
@@ -64,13 +71,3 @@
 	( ) ,&x LDR2 #20 SFT2 #0020 ADD2
 	( ) ,&y LDR2 #20 SFT2 #0020 ADD2 JMP2r
 
-@rot ( x* y* rx* ry* n* -- x* y* )
-	#0001 SUB2 STH2
-	SWP2 ,&rx STR2
-	ORA ?{
-		[ LIT2 &rx $2 ] #0001 NEQ2 ?{
-			( rx-n-1 ) SWP2 STH2kr SWP2 SUB2
-			( ry-n-1 ) SWP2 STH2kr SWP2 SUB2 }
-		( swap ) SWP2 }
-	POP2r JMP2r
-