diff --git a/PDP10/ka10_stk.c b/PDP10/ka10_stk.c
index cb42339..9891103 100644
--- a/PDP10/ka10_stk.c
+++ b/PDP10/ka10_stk.c
@@ -24,12 +24,14 @@
 */
 
 #include <time.h>
-#include "sim_video.h"
-#include "display/display.h"
 #include "kx10_defs.h"
 
 #ifdef USE_DISPLAY
 #if NUM_DEVS_STK > 0
+
+#include "sim_video.h"
+#include "display/display.h"
+
 #define STK_DEVNUM      070
 
 /* CONI/O bits. */
diff --git a/PDP10/kx10_cr.c b/PDP10/kx10_cr.c
index ef1bc18..06dee85 100644
--- a/PDP10/kx10_cr.c
+++ b/PDP10/kx10_cr.c
@@ -136,7 +136,7 @@ t_stat cr_devio(uint32 dev, uint64 *data) {
 
     case CONO:
          clr_interrupt(dev);
-         sim_debug(DEBUG_CONO, &cr_dev, "CR: CONO %012llo\n", *data);
+         sim_debug(DEBUG_CONO, &cr_dev, "CR: CONO %012llo PC=%06o\n", *data, PC);
          if (*data & CLR_READER) {
              uptr->STATUS = 0;
              if (!CARD_RDY(uptr))
@@ -156,7 +156,6 @@ t_stat cr_devio(uint32 dev, uint64 *data) {
              uptr->STATUS &= ~(CARD_IN_READ|RDY_READ|DATA_RDY);
              uptr->COL = 0;
              sim_activate(uptr, uptr->wait);
-             break;
          }
          if (CARD_RDY(uptr))
              uptr->STATUS |= RDY_READ;
diff --git a/PDP10/kx10_mt.c b/PDP10/kx10_mt.c
index 0ce3ee8..3204994 100644
--- a/PDP10/kx10_mt.c
+++ b/PDP10/kx10_mt.c
@@ -240,6 +240,8 @@ t_stat mt_devio(uint32 dev, uint64 *data) {
           res |= ((uint64)wr_eor) << 21;
           if (dptr->flags & MTDF_TYPEB)
              res |= 7LL;  /* Force DATA PIA to 7 on type B */
+          if (cpu_unit[0].flags & UNIT_ITSPAGE)
+             res |= SMASK;
           *data = res;
           sim_debug(DEBUG_CONI, dptr, "MT CONI %03o status %06o %o %o PC=%06o\n",
                       dev, (uint32)res, mt_sel_unit, mt_pia, PC);