From 71d8d93abc60b7b2a8f9730257c13cb5751a5905 Mon Sep 17 00:00:00 2001
From: Brooke Vibber <bvibber@pobox.com>
Date: Mon, 30 Dec 2024 11:33:55 -0800
Subject: [PATCH 1/2] even better palette cycling

---
 mandel.s | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mandel.s b/mandel.s
index 198e40c..9b6b32d 100644
--- a/mandel.s
+++ b/mandel.s
@@ -38,8 +38,8 @@ palette_ticks = $c0 ; u8
 chroma_ticks  = $c1 ; u8
 chroma_offset = $c2 ; u8
 
-palette_delay = 120
-chroma_delay = 120
+palette_delay = 23
+chroma_delay = 137
 
 
 ; FP registers in zero page
@@ -1208,13 +1208,13 @@ skip_luma:
     ora palette_start,y
     sta COLOR0
 
-    inx
+    ;inx
     iny
     lda palette_chroma,x
     ora palette_start,y
     sta COLOR1
 
-    inx
+    ;inx
     iny
     lda palette_chroma,x
     ora palette_start,y

From 14125a398aa37d08e0468f2bfd56379cf884d48d Mon Sep 17 00:00:00 2001
From: Brooke Vibber <bvibber@pobox.com>
Date: Mon, 30 Dec 2024 11:35:45 -0800
Subject: [PATCH 2/2] cycle 'in' not 'out'

---
 mandel.s | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/mandel.s b/mandel.s
index 9b6b32d..985df82 100644
--- a/mandel.s
+++ b/mandel.s
@@ -234,12 +234,12 @@ color_map:
 
 
 palette_start:
-    .byte $04
-    .byte $08
     .byte $0e
+    .byte $08
+    .byte $04
 palette_repeat:
-    .byte $03
-    .byte $09
+    .byte $0e
+    .byte $08
 
 palette_entries = 3
 
@@ -1206,7 +1206,7 @@ skip_luma:
     ldy palette_offset
     lda palette_chroma,x
     ora palette_start,y
-    sta COLOR0
+    sta COLOR2
 
     ;inx
     iny
@@ -1218,7 +1218,7 @@ skip_luma:
     iny
     lda palette_chroma,x
     ora palette_start,y
-    sta COLOR2
+    sta COLOR0
 
     rts
 .endproc