From: Toni Wilen <twilen@winuae.net>
Date: Sun, 19 Feb 2023 15:55:45 +0000 (+0200)
Subject: SERDATR() fix
X-Git-Tag: 5.0.0~141
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=b7d4344bdfe04bfb9aaca16e6b3217f6d1403b2e;p=francis%2Fwinuae.git

SERDATR() fix
---

diff --git a/od-win32/serial_win32.cpp b/od-win32/serial_win32.cpp
index 33597757..448ea8d7 100644
--- a/od-win32/serial_win32.cpp
+++ b/od-win32/serial_win32.cpp
@@ -597,7 +597,7 @@ static void checksend(void)
 	}
 #ifdef RETROPLATFORM
 	if (rp_ismodem()) {
-		rp_writemodem(serdatshift & 0xff);
+		rp_writemodem((uae_u8)serdatshift_masked);
 	}
 #endif
 	if (serempty_enabled && !serxdevice_enabled) {
@@ -892,7 +892,7 @@ static void SERDAT_send(uae_u32 v)
 uae_u16 SERDATR(void)
 {
 	serdatr &= 0x03ff;
-	if (!data_in_serdat || (ser_accurate && get_cycles() >= data_in_serdat_delay)) {
+	if (!data_in_serdat && (!ser_accurate || (ser_accurate && get_cycles() >= data_in_serdat_delay))) {
 		serdatr |= 0x2000; // TBE (Transmit buffer empty)
 	}
 	if (!data_in_sershift && (serdatr & 0x2000)) {
@@ -1240,6 +1240,7 @@ void serial_close(void)
 	serxdevice_enabled = false;
 	serper_set = false;
 	ser_accurate = false;
+	data_in_serdat_delay = 0;
 }
 
 void serial_init(void)