From d6c14dd24d541893bfd4042685c3ea3da1bd3c2e Mon Sep 17 00:00:00 2001
From: Devine Lu Linvega <aliceffekt@gmail.com>
Date: Sat, 24 Aug 2024 09:49:55 -0700
Subject: [PATCH] (pond.tal) Starting new demo

---
 projects/examples/demos/pond.tal | 95 ++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 projects/examples/demos/pond.tal

diff --git a/projects/examples/demos/pond.tal b/projects/examples/demos/pond.tal
new file mode 100644
index 0000000..ee67a3b
--- /dev/null
+++ b/projects/examples/demos/pond.tal
@@ -0,0 +1,95 @@
+( pond.tal )
+
+|00 @System &vector $2 &expansion $2 &wst $1 &rst $1 &metadata $2 &r $2 &g $2 &b $2 &debug $1 &state $1
+|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
+|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &pad $3 &modx $2 &mody $2
+
+|000
+
+@color $1
+@circle [ &xc $2 &yc $2 &x $2 &y $2 &r $2 &d $2 ]
+
+|100
+
+@on-reset ( -> )
+	( | theme )
+	#c2c2 DUP2 .System/r DEO2
+	DUP2 .System/g DEO2
+	.System/b DEO2
+
+	;on-mouse .Mouse/vector DEO2
+	BRK
+
+@on-mouse ( -> )
+	#c1 ;touch-chr/down ;touch-chr .Mouse/state DEI ?{ SWP2 }
+	POP2 <update-cursor>
+	.Mouse/state DEI ?{ BRK }
+	( | touch )
+	.Mouse/x DEI2 .Mouse/y DEI2 #0010 #01 draw-circle
+	
+	BRK
+
+@<update-cursor> ( color addr* -- )
+	;fill-icn .Screen/addr DEO2
+	#40 <draw-cursor>
+	.Screen/addr DEO2
+	.Mouse/x DEI2 ,<draw-cursor>/x STR2
+	.Mouse/y DEI2 ,<draw-cursor>/y STR2
+	( >> )
+
+@<draw-cursor> ( color -- )
+	[ LIT2 16 -Screen/auto ] DEO
+	[ LIT2 &x $2 ] .Screen/x DEO2
+	[ LIT2 &y $2 ] .Screen/y DEO2
+	.Screen/sprite DEOk DEO
+	JMP2r
+
+%LTS2  { #8000 ADD2 SWP2 #8000 ADD2 GTH2 }
+%GTS2  { #8000 ADD2 SWP2 #8000 ADD2 LTH2 }
+
+@<draw-circle> ( xc* yc* r color -- )
+
+	( load ) .color STZ .circle/r STZ2 .circle/yc STZ2 .circle/xc STZ2
+	#0000 .circle/x STZ2 .circle/r LDZ2 .circle/y STZ2
+	.circle/r LDZ2 #10 SFT2 .circle/d STZ2
+	( draw ) ;&seg JSR2
+	&loop
+		( incr ) .circle/x LDZ2 INC2 .circle/x STZ2
+		.circle/d LDZ2 #0001 LTS2 ,&else JCN
+			( decr ) .circle/y LDZ2 #0001 SUB2 .circle/y STZ2
+			.circle/x LDZ2 .circle/y LDZ2 SUB2 #20 SFT2 .circle/d LDZ2 ADD2 .circle/d STZ2
+			;&end JMP2
+		&else
+			.circle/x LDZ2 #20 SFT2 .circle/d LDZ2 ADD2 .circle/d STZ2
+		&end
+		( draw ) ;&seg JSR2
+		.circle/y LDZ2 .circle/x LDZ2 #0001 SUB2 GTS2 ,&loop JCN
+	JMP2r
+	&seg
+		.circle/xc LDZ2 .circle/x LDZ2 ADD2 .Screen/x DEO2 .circle/yc LDZ2 .circle/y LDZ2 ADD2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
+		.circle/xc LDZ2 .circle/x LDZ2 SUB2 .Screen/x DEO2 .circle/yc LDZ2 .circle/y LDZ2 ADD2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
+		.circle/xc LDZ2 .circle/x LDZ2 ADD2 .Screen/x DEO2 .circle/yc LDZ2 .circle/y LDZ2 SUB2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
+		.circle/xc LDZ2 .circle/x LDZ2 SUB2 .Screen/x DEO2 .circle/yc LDZ2 .circle/y LDZ2 SUB2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
+		.circle/xc LDZ2 .circle/y LDZ2 ADD2 .Screen/x DEO2 .circle/yc LDZ2 .circle/x LDZ2 ADD2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
+		.circle/xc LDZ2 .circle/y LDZ2 SUB2 .Screen/x DEO2 .circle/yc LDZ2 .circle/x LDZ2 ADD2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
+		.circle/xc LDZ2 .circle/y LDZ2 ADD2 .Screen/x DEO2 .circle/yc LDZ2 .circle/x LDZ2 SUB2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
+		.circle/xc LDZ2 .circle/y LDZ2 SUB2 .Screen/x DEO2 .circle/yc LDZ2 .circle/x LDZ2 SUB2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
+
+JMP2r
+
+
+@touch-chr [
+	0000 0000 0814 1417 0000 0000 0008 0808
+	0000 0000 0000 00c0 0000 0000 0000 0000
+	1010 2010 1008 0700 0f0f 1f0f 0f07 0000
+	2010 1010 2020 c000 c0e0 e0e0 c0c0 0000 ]
+	&down [
+	0000 0000 0000 0817 0000 0000 0000 0008
+	0000 0000 0000 00c0 0000 0000 0000 0000
+	1010 2010 1008 0700 0f0f 1f0f 0f07 0000
+	2010 1010 2020 c000 c0e0 e0e0 c0c0 0000 ]
+
+@fill-icn [
+	ffff ffff ffff ffff ffff ffff ffff ffff
+	ffff ffff ffff ffff ffff ffff ffff ffff ]
+