From e20b8503abfa53505524b2ad9f6538b5925e1669 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@pobox.com>
Date: Fri, 25 Nov 2022 20:10:17 -0800
Subject: [PATCH] half works :D

need to:
* align the framebuffer on 4096 byte boundary?
* fix color reversal
---
 dither4.s | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dither4.s b/dither4.s
index 067544c..58f4d41 100644
--- a/dither4.s
+++ b/dither4.s
@@ -69,8 +69,9 @@ wait_vblank:
     sta SDMCTL
 
 wait_start:
+    sta WSYNC
     lda VCOUNT
-    cmp #12
+    cmp #15
     bne wait_start
     ldy #0