From: Toni Wilen <twilen@winuae.net>
Date: Fri, 31 Oct 2025 16:28:20 +0000 (+0200)
Subject: Fix control register selection.
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=5975c79f79050999029ce086e39a3b02ebf3131a;p=francis%2Fwinuae.git

Fix control register selection.
---

diff --git a/cia.cpp b/cia.cpp
index bbe303f2..482c1a8d 100644
--- a/cia.cpp
+++ b/cia.cpp
@@ -1689,7 +1689,7 @@ static void CIA_cr_write(int num, int tnum, uae_u8 val)
 	}
 
 	// clear serial port state when switching TX<>RX
-	if (num == 0 && (t->cr & 0x40) != (val & 0x040)) {
+	if (tnum == 0 && (t->cr & 0x40) != (val & 0x040)) {
 		c->sdr_cnt = 0;
 		c->sdr_load = 0;
 		c->sdr_buf = 0;