From 1a9f28c7a29784c0ea0884609540507c329a537a Mon Sep 17 00:00:00 2001
From: Vince Weaver <vincent.weaver@maine.edu>
Date: Fri, 26 Apr 2024 11:18:54 -0400
Subject: [PATCH] spiral: even more documentation

as always I blame foone
---
 demos/lovebyte2024/spiraling_shape_32/spiral_32.s | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/demos/lovebyte2024/spiraling_shape_32/spiral_32.s b/demos/lovebyte2024/spiraling_shape_32/spiral_32.s
index e5e1507c..b914220c 100644
--- a/demos/lovebyte2024/spiraling_shape_32/spiral_32.s
+++ b/demos/lovebyte2024/spiraling_shape_32/spiral_32.s
@@ -93,7 +93,8 @@ tiny_loop:
 
 our_shape = $E2DF		; location in the Applesoft ROM
 				; that holds $11,$F0,$03,$20,$00
-				; which makes a nice line-ish pattern when
+				; which makes an offset right-angle
+				; double line-ish pattern when
 				; interpreted as a shape table
 				; (it points into the code for the FRE()
 				;  BASIC routine but that's not important)
@@ -115,3 +116,9 @@ our_shape = $E2DF		; location in the Applesoft ROM
 ; 0010 0000     =  00 100 000		NUP UP  NOP
 ; 0000 0000	= end of shape
 
+; x is the starting point, * are the two line segments drawn
+
+;                      .
+;                      *
+;                      . x *
+;                      . . .