From 00f6cd59a2128fb42a2dbb568109392dfa1b047b Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Mon, 3 Apr 2017 12:56:48 -0700
Subject: [PATCH] SCP: Make sure that SCPE_OK isn't interpreted as error in
 sim_messagef

Error status returns cause the line in a DO file to be displayed.  This
should only happen for non SCPE_OK status.
---
 scp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scp.c b/scp.c
index f3777a7d..a7707e59 100644
--- a/scp.c
+++ b/scp.c
@@ -11023,7 +11023,8 @@ while (1) {                                         /* format passed string, arg
     break;
     }
 
-if (sim_do_ocptr[sim_do_depth]) {
+if ((sim_do_ocptr[sim_do_depth]) &&
+    ((stat & ~SCPE_NOMESSAGE) != SCPE_OK)) {
     if (!sim_do_echo && !sim_quiet && !inhibit_message)
         sim_printf("%s> %s\n", do_position(), sim_do_ocptr[sim_do_depth]);
     else {