From 9f2f5df75d461f89ac291e9317e2f0cc7fe7a457 Mon Sep 17 00:00:00 2001
From: Vince Weaver <vince@deater.net>
Date: Thu, 19 Jan 2023 08:58:33 -0500
Subject: [PATCH] update lovebyte TODO

---
 demos/lovebyte2023/TODO           | 70 +++++++++++++++++++++++++++++++
 graphics/hgr/shape_table/line16.s | 22 ++++++++--
 2 files changed, 89 insertions(+), 3 deletions(-)
 create mode 100644 demos/lovebyte2023/TODO

diff --git a/demos/lovebyte2023/TODO b/demos/lovebyte2023/TODO
new file mode 100644
index 00000000..196334c2
--- /dev/null
+++ b/demos/lovebyte2023/TODO
@@ -0,0 +1,70 @@
+deadline: thurs 9 feb 6pm EDT
+
+128B and higher count disk header
+
+categories:
+	1k old/new
+	512B bootsector
+	256 old/high/fantasy
+	128 old/high/fantasy
+	64 old/high
+	32
+	16 actual
+	256B game
+	256B executable graphic
+	CGA 32x32
+
+
+
+Apple II:
+
+32:
+	hgr/transitions/ooze32		32-byte
+	hgr/shape_table/line32		32-byte	interesting pattern
+	hgr/shape_table/square_wave	33-byte (odd)
+
+64:
+	gr/parallax/boxes		62-byte (cool)
+	hgr/parallax/boxes.s		69-byte (boring)
+	hgr/shape_table/apple2.s	63-byte apple2 logo (so-so)
+
+128:
+	hgr/transitions/rectangle	139-byte (??)
+	gr/parallax/large		111-byte  dir-switching parallax
+	gr/parallax/par			127-byte  parallax scrolling
+	hgr/parallax/par		139-byte hires-parallax (boring)
+	hgr/parallax/wierd2		118-byte oddly compelling
+	hgr/parallax/sier		120-bytes sierpinski parallax
+	hgr/shape_table/pattern_logo.s	125-bytes (so-so)
+	hgr/shape_table/gear.s		138-byte gears (cool, good with music?)
+	gr/sprite/stars_128.s		133-byte bouncing stars (cool) (heart?)
+
+256
+	aiibot/lemm.bas			251-byte (cool) lemming animation
+
+
+
+	dsr logo	both/gears/dsr_bot.s	133-bytes (spinning dsr)
+	a2 bot		both/gears/a2_bot.s	140-bytes (][ with animated bg)
+
+	gr/particle/particle_bot		140-byte particle effect
+
+
+	targeting computer
+
+
+256 -- procedural graphics
+	planet_lores?
+
+
+TODO: image stuff but raw hex bytes instead of text
+
+
+ARM/Linux:
+	ray-marcher textmode
+
+Atari 2600:
+	parallax scroll?
+	game?
+
+
diff --git a/graphics/hgr/shape_table/line16.s b/graphics/hgr/shape_table/line16.s
index fb7c5b38..2ab21a4c 100644
--- a/graphics/hgr/shape_table/line16.s
+++ b/graphics/hgr/shape_table/line16.s
@@ -48,7 +48,7 @@ RESTORE		=	$FF3F
 
 tiny_xdraw:
 
-	.byte	$0A		; scale at $E7 (also harmless asl)
+;	.byte	$0A		; scale at $E7 (also harmless asl)
 
 	jsr	HGR2		; Hi-res, full screen		; 3
 				; Y=0, A=0 after this call
@@ -63,7 +63,21 @@ tiny_xdraw:
 ;	ldy	#0
 ;	ldx	#100
 ;	lda	#100
-;	jsr	HPOSN		; set screen position to X= (y,x) Y=(a)
+
+	; we really have to call this, otherwise it won't run
+	; on some real hardware
+
+
+	; getting GBASH between $40-$5F might actually be enough
+	
+
+;	dey
+;	tya
+
+;	lda	#$40
+;	sta	GBASH
+
+	jsr	HPOSN		; set screen position to X= (y,x) Y=(a)
 				; saves X,Y,A to zero page
 				; after Y= orig X/7
 				; A and X are ??
@@ -75,10 +89,12 @@ tiny_loop:
 	ldy	#$e8
 	ldx	#$0e
 
+;	tay
+
 	; ROT in A
 
 	; this will be 0 2nd time through loop, arbitrary otherwise
-	lda	#1		; ROT=1
+	lda	#2		; ROT=1
 	jsr	XDRAW0		; XDRAW 1 AT X,Y
 				; Both A and X are 0 at exit
 				; Z flag set on exit