From: Toni Wilen <twilen@winuae.net>
Date: Thu, 9 Jul 2026 06:44:54 +0000 (+0300)
Subject: BPLCON0 ERSY set: disable syncs immediately also if fastest possible CPU even if... 
X-Git-Url: https://gitweb.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=83baf57856c16d4fd6dc9e923b089449fc6db060;p=francis%2Fwinuae.git

BPLCON0 ERSY set: disable syncs immediately also if fastest possible CPU even if memory cycle-exact is set. KS 1.3 CPU delay loop in genlock detection is too short if CPU is too fast.
---

diff --git a/custom.cpp b/custom.cpp
index 6cf66f19..fee66a3a 100644
--- a/custom.cpp
+++ b/custom.cpp
@@ -2320,7 +2320,7 @@ static void setsyncstopped(void)
 static void checksyncstopped(uae_u16 con0)
 {
 	if (issyncstopped(con0)) {
-		if (!currprefs.cpu_memory_cycle_exact) {
+		if (!currprefs.cpu_memory_cycle_exact || currprefs.m68k_speed < 0) {
 			setsyncstopped();
 		}
 	} else if (syncs_stopped) {