From ddaf2764a7f42c2ec6179fee09b0ac4c297dd442 Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Tue, 13 May 2014 09:16:16 -0700
Subject: [PATCH] PDP10, PDP11, VAX: Fix DMC/DMR master clear when no units are
 attached to properly be able to act on register writes.

---
 PDP11/pdp11_dmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/PDP11/pdp11_dmc.c b/PDP11/pdp11_dmc.c
index 1ab01b91..56f6a006 100644
--- a/PDP11/pdp11_dmc.c
+++ b/PDP11/pdp11_dmc.c
@@ -3721,6 +3721,7 @@ if (!(dptr->flags & DEV_DIS)) {
             dmc_buffer_queue_init_all(controller);
             dmc_clrinint(controller);
             dmc_clroutint(controller);
+            controller->dmc_wr_delay = 0;
             for (j=0; j<dptr->numunits-1; j++) {
                 sim_cancel (&dptr->units[j]); /* stop poll */
                 if (dptr->units[j].flags & UNIT_ATT)