From: Toni Wilen <twilen@winuae.net>
Date: Thu, 4 Dec 2025 16:00:29 +0000 (+0200)
Subject: BPL1DAT write + OCS Denise: sprites was enabled even if hpos is in "burst" range.
X-Git-Tag: 6020~31
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=3894be43e5d14e66d679901b6abbc0ca572995e2;p=francis%2Fwinuae.git

BPL1DAT write + OCS Denise: sprites was enabled even if hpos is in "burst" range.
---

diff --git a/drawing.cpp b/drawing.cpp
index f64d28d6..0f5a4ae9 100644
--- a/drawing.cpp
+++ b/drawing.cpp
@@ -3696,9 +3696,12 @@ static void do_exthblankon_aga(void)
 // BPL1DAT allows sprites 1 lores pixel before bitplanes
 static void bpl1dat_enable_sprites(void)
 {
-	sprites_hidden2 &= ~2;
-	if (denise_hdiw) {
-		sprites_hidden2 &= ~1;
+	// A1000/OCS Denise: BPL1DAT won't enable sprites if BURST is active
+	if (ecs_denise || !denise_burst) {
+		sprites_hidden2 &= ~2;
+		if (denise_hdiw) {
+			sprites_hidden2 &= ~1;
+		}
 	}
 }
 static void bpl1dat_enable_bpls(void)