From: Toni Wilen <twilen@winuae.net>
Date: Sat, 16 May 2026 09:09:16 +0000 (+0300)
Subject: CCK difference can be negative, debug checks
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=refs%2Fheads%2Fupstream-master;p=francis%2Fwinuae.git

CCK difference can be negative, debug checks
---

diff --git a/include/events.h b/include/events.h
index c94ccd2b..8996e5f2 100644
--- a/include/events.h
+++ b/include/events.h
@@ -120,11 +120,13 @@ STATIC_INLINE evt_t get_cck_cycles(void)
 {
 	return currcycle_cck;
 }
-STATIC_INLINE uae_u32 get_cck_cycles_sub(evt_t cck1, evt_t cck2)
+STATIC_INLINE uae_s32 get_cck_cycles_sub(evt_t cck1, evt_t cck2)
 {
-	return (uae_u32)(cck1 - cck2);
+	assert(cck1 - cck2 < 0x10000000);
+	assert(cck1 - cck2 > -0x10000000);
+	return (uae_s32)(cck1 - cck2);
 }
-STATIC_INLINE uae_u32 get_cck_cycles_diff(evt_t cck)
+STATIC_INLINE uae_s32 get_cck_cycles_diff(evt_t cck)
 {
 	return get_cck_cycles_sub(get_cck_cycles(), cck);
 }