From 1fc90173f7594ed4a6b1e3246f2327b235bae643 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@pobox.com>
Date: Sat, 10 Dec 2022 13:12:52 -0800
Subject: [PATCH] ok almost working ;) sometimes loses palette sync

---
 dither4.s | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/dither4.s b/dither4.s
index 9b8bb23..5c7ce8f 100644
--- a/dither4.s
+++ b/dither4.s
@@ -34,7 +34,7 @@ bytes_per_line = 40
 pages_per_frame = 32
 lines_per_frame = 262
 ;scanline_offset = 31 + (40 - 24) / 2
-scanline_offset = 40
+scanline_offset = 46
 scanline_max = (lines_per_frame - scanline_offset) / 2
 
 .data
@@ -227,7 +227,7 @@ wait_loop:
         cpy #0
         bne each_scanline_pair
 
-        audio_inc
+        audio_inc ; @FIXME
         lda frame_counter
         eor #1
         sta frame_counter
@@ -236,8 +236,6 @@ wait_loop:
     .endscope
     .endmacro
 
-    lda #(256 - scanline_offset)
-    sta scanline
     lda frame_counter
     beq run_frame1
     jmp run_frame2