From f0212ddb98161679fe731c6d65129c302ec6cfcd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20N=C3=BCcke?= <florian@nuecke.de>
Date: Sat, 19 Sep 2020 18:33:33 +0200
Subject: [PATCH] Fixed potential illegal read from UART queue after clear.

---
 src/main/java/li/cil/circuity/vm/device/UART16550A.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/li/cil/circuity/vm/device/UART16550A.java b/src/main/java/li/cil/circuity/vm/device/UART16550A.java
index 85d3e2e9..7f140a71 100644
--- a/src/main/java/li/cil/circuity/vm/device/UART16550A.java
+++ b/src/main/java/li/cil/circuity/vm/device/UART16550A.java
@@ -392,7 +392,7 @@ public final class UART16550A implements Resettable, Steppable, MemoryMappedDevi
                     }
                     if (forceClear || (value & UART_FCR_XFR) != 0) {
                         synchronized (transmitFifo) {
-                            lsr |= UART_LSR_THRE;
+                            lsr |= UART_LSR_THRE | UART_LSR_TEMT;
                             transmitInterruptPending = true;
                             transmitFifo.clear();
                         }