From: Toni Wilen <twilen@winuae.net>
Date: Sat, 26 Nov 2022 17:46:01 +0000 (+0200)
Subject: CIA interrupt bit getting set without interrupt enabled sticky bit fix
X-Git-Tag: 41000~54
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=0281cd8acf11fae720e68ab01119e6f46de129f9;p=francis%2Fwinuae.git

CIA interrupt bit getting set without interrupt enabled sticky bit fix
---

diff --git a/cia.cpp b/cia.cpp
index 37adbe41..aa69ec00 100644
--- a/cia.cpp
+++ b/cia.cpp
@@ -760,14 +760,14 @@ static void CIA_sync_interrupt(int num, uae_u8 icr)
 	struct CIA *c = &cia[num];
 
 	if (acc_mode()) {
-		c->icr2 |= icr;
-		if ((c->icr1 & ICR_MASK) == (c->icr2 & ICR_MASK)) {
-			return;
-		}
 		if (!(icr & c->imask)) {
 			c->icr1 |= icr;
 			return;
 		}
+		c->icr2 |= icr;
+		if ((c->icr1 & ICR_MASK) == (c->icr2 & ICR_MASK)) {
+			return;
+		}
 		int syncdelay = 0;
 		int delay = get_cia_sync_cycles(&syncdelay);
 		delay += syncdelay;