From 9bc5073a39b85c0c20dc1bfd75ab7eb7eaabb144 Mon Sep 17 00:00:00 2001
From: Toni Wilen <twilen@winuae.net>
Date: Sun, 15 Sep 2024 17:57:14 +0300
Subject: [PATCH] Fix SPRxPOS modification just before horizontal match if
 sprite had lowest horizontal bit set.

---
 custom.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/custom.cpp b/custom.cpp
index 8aff5baf..8087bace 100644
--- a/custom.cpp
+++ b/custom.cpp
@@ -5852,7 +5852,7 @@ static void decide_sprites2(int start, int end, int *countp, int *nrs, int *posn
 			hw_xp = sprxp >> sprite_buffer_res;
 		}
 
-		if (hw_xp >= start && hw_xp < end) {
+		if (((hw_xp >= start) || ((spr[i].pos & 1) && hw_xp == start - 1)) && hw_xp < end) {
 			int xdiff = hw_xp - start;
 			int sprxp_abs = (last_sprite_point_abs + xdiff) << sprite_buffer_res;
 			// add hires/shres back
-- 
2.47.3