From 46500ec75e179d0a5ba4df3497c53595c82a3746 Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Tue, 18 Feb 2020 14:51:59 -0800
Subject: [PATCH] PDP11, Unibus and Qbus VAX: Fix character completion with
 differing line speeds

---
 PDP11/pdp11_vh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PDP11/pdp11_vh.c b/PDP11/pdp11_vh.c
index 3bbb88bb..efd2b6d0 100644
--- a/PDP11/pdp11_vh.c
+++ b/PDP11/pdp11_vh.c
@@ -1383,7 +1383,7 @@ static void doDMA ( int32   vh,
         pa = lp->tbuf1;
         pa |= (lp->tbuf2 & TB2_M_TBUFFAD) << 16;
         status = 0;
-        while (lp->tbuffct) {
+        while (tmxr_txdone_ln (lp->tmln) && (lp->tbuffct > 0)) {
             uint8   buf;
             if (lp->lnctrl & LNCTRL_TX_ABORT) {
                 lp->tbuf2 &= ~TB2_TX_DMA_START;