diff --git a/PDP10/ka10_auxcpu.c b/PDP10/ka10_auxcpu.c
index 6971f86..109fec4 100644
--- a/PDP10/ka10_auxcpu.c
+++ b/PDP10/ka10_auxcpu.c
@@ -23,7 +23,7 @@
    through shared memory and inter-processor interrupts.
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_tmxr.h"
 
 #ifndef NUM_DEVS_AUXCPU
diff --git a/PDP10/ka10_ch10.c b/PDP10/ka10_ch10.c
index f9c5c06..09d332e 100644
--- a/PDP10/ka10_ch10.c
+++ b/PDP10/ka10_ch10.c
@@ -28,7 +28,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_tmxr.h"
 
 #ifndef NUM_DEVS_CH10
diff --git a/PDP10/ka10_dkb.c b/PDP10/ka10_dkb.c
index f0b1c6d..30fa146 100644
--- a/PDP10/ka10_dkb.c
+++ b/PDP10/ka10_dkb.c
@@ -25,7 +25,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #ifndef NUM_DEVS_DKB
 #define NUM_DEVS_DKB 0
 #endif
diff --git a/PDP10/ka10_imx.c b/PDP10/ka10_imx.c
index 4ba4814..918a500 100644
--- a/PDP10/ka10_imx.c
+++ b/PDP10/ka10_imx.c
@@ -24,7 +24,7 @@
 */
 
 #include <time.h>
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_IMX
 #define NUM_DEVS_IMX 0
diff --git a/PDP10/ka10_mty.c b/PDP10/ka10_mty.c
index ddc4bd9..6a67e4b 100644
--- a/PDP10/ka10_mty.c
+++ b/PDP10/ka10_mty.c
@@ -26,7 +26,7 @@
 #include <time.h>
 #include "sim_defs.h"
 #include "sim_tmxr.h"
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_MTY
 #define NUM_DEVS_MTY 0
diff --git a/PDP10/ka10_pd.c b/PDP10/ka10_pd.c
index 19add41..2aeaeed 100644
--- a/PDP10/ka10_pd.c
+++ b/PDP10/ka10_pd.c
@@ -31,7 +31,7 @@
 */
 
 #include <time.h>
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_PD
 #define NUM_DEVS_PD 0
diff --git a/PDP10/ka10_pmp.c b/PDP10/ka10_pmp.c
index 0613082..6c4ff34 100644
--- a/PDP10/ka10_pmp.c
+++ b/PDP10/ka10_pmp.c
@@ -57,7 +57,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_PMP
 #define NUM_DEVS_PMP 0
diff --git a/PDP10/ka10_stk.c b/PDP10/ka10_stk.c
index 990016c..cb42339 100644
--- a/PDP10/ka10_stk.c
+++ b/PDP10/ka10_stk.c
@@ -26,7 +26,7 @@
 #include <time.h>
 #include "sim_video.h"
 #include "display/display.h"
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifdef USE_DISPLAY
 #if NUM_DEVS_STK > 0
diff --git a/PDP10/ka10_ten11.c b/PDP10/ka10_ten11.c
index 989bb50..67f894a 100644
--- a/PDP10/ka10_ten11.c
+++ b/PDP10/ka10_ten11.c
@@ -23,7 +23,7 @@
    specific to the MIT AI lab PDP-10.
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_tmxr.h"
 
 #ifndef NUM_DEVS_TEN11
diff --git a/PDP10/ka10_tk10.c b/PDP10/ka10_tk10.c
index bddc377..c24f72a 100644
--- a/PDP10/ka10_tk10.c
+++ b/PDP10/ka10_tk10.c
@@ -26,7 +26,7 @@
 #include <time.h>
 #include "sim_defs.h"
 #include "sim_tmxr.h"
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_TK10
 #define NUM_DEVS_TK10 0
diff --git a/PDP10/kx10_cp.c b/PDP10/kx10_cp.c
index 5ea300c..f8750f1 100644
--- a/PDP10/kx10_cp.c
+++ b/PDP10/kx10_cp.c
@@ -29,7 +29,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_card.h"
 #include "sim_defs.h"
 #if (NUM_DEVS_CP > 0)
diff --git a/PDP10/kx10_cpu.c b/PDP10/kx10_cpu.c
index dc5b577..f09065a 100644
--- a/PDP10/kx10_cpu.c
+++ b/PDP10/kx10_cpu.c
@@ -94,7 +94,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_timer.h"
 #include <time.h>
 
diff --git a/PDP10/kx10_cr.c b/PDP10/kx10_cr.c
index 4f03006..ef1bc18 100644
--- a/PDP10/kx10_cr.c
+++ b/PDP10/kx10_cr.c
@@ -29,7 +29,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_card.h"
 #include "sim_defs.h"
 #if (NUM_DEVS_CR > 0)
diff --git a/PDP10/kx10_cty.c b/PDP10/kx10_cty.c
index 85b5743..32315ff 100644
--- a/PDP10/kx10_cty.c
+++ b/PDP10/kx10_cty.c
@@ -25,7 +25,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #if PDP6 | KA | KI
 #define UNIT_DUMMY      (1 << UNIT_V_UF)
 
diff --git a/PDP10/kx10_dc.c b/PDP10/kx10_dc.c
index 0b9752d..54001e4 100644
--- a/PDP10/kx10_dc.c
+++ b/PDP10/kx10_dc.c
@@ -25,7 +25,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_sock.h"
 #include "sim_tmxr.h"
 
diff --git a/PDP10/ka10_defs.h b/PDP10/kx10_defs.h
similarity index 100%
rename from PDP10/ka10_defs.h
rename to PDP10/kx10_defs.h
diff --git a/PDP10/kx10_df.c b/PDP10/kx10_df.c
index 21ebed5..ceeb46e 100644
--- a/PDP10/kx10_df.c
+++ b/PDP10/kx10_df.c
@@ -21,7 +21,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 void df10_setirq(struct df10 *df) {
       df->status |= PI_ENABLE;
diff --git a/PDP10/kx10_dk.c b/PDP10/kx10_dk.c
index 1e06376..0cf1e6a 100644
--- a/PDP10/kx10_dk.c
+++ b/PDP10/kx10_dk.c
@@ -25,7 +25,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include <time.h>
 
 #ifndef NUM_DEVS_DK
diff --git a/PDP10/kx10_dp.c b/PDP10/kx10_dp.c
index fbc676b..0a2e7a8 100644
--- a/PDP10/kx10_dp.c
+++ b/PDP10/kx10_dp.c
@@ -21,7 +21,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_DP
 #define NUM_DEVS_DP 0
diff --git a/PDP10/kx10_dpy.c b/PDP10/kx10_dpy.c
index 802d366..2afbbec 100644
--- a/PDP10/kx10_dpy.c
+++ b/PDP10/kx10_dpy.c
@@ -84,7 +84,7 @@
  * The largest positive number (011) results in the greatest intensity.
  */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include <time.h>
 
 #ifndef NUM_DEVS_DPY
diff --git a/PDP10/kx10_dt.c b/PDP10/kx10_dt.c
index a37a415..15e4643 100644
--- a/PDP10/kx10_dt.c
+++ b/PDP10/kx10_dt.c
@@ -76,7 +76,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #ifndef NUM_DEVS_DT
 #define NUM_DEVS_DT 0
 #endif
diff --git a/PDP10/kx10_imp.c b/PDP10/kx10_imp.c
index ff12a8d..30da16f 100644
--- a/PDP10/kx10_imp.c
+++ b/PDP10/kx10_imp.c
@@ -24,7 +24,7 @@
 */
 
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_ether.h"
 
 #if NUM_DEVS_IMP > 0
diff --git a/PDP10/kx10_lights.c b/PDP10/kx10_lights.c
index 282b858..9fa4224 100644
--- a/PDP10/kx10_lights.c
+++ b/PDP10/kx10_lights.c
@@ -22,7 +22,7 @@
 
 #include <libusb-1.0/libusb.h>
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 static libusb_device_handle *lights_handle = NULL;
 static uint64 lights_main = 0;
diff --git a/PDP10/kx10_lp.c b/PDP10/kx10_lp.c
index 61a1e8e..ceb0ecf 100644
--- a/PDP10/kx10_lp.c
+++ b/PDP10/kx10_lp.c
@@ -25,7 +25,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include <ctype.h>
 
 #ifndef NUM_DEVS_LP
diff --git a/PDP10/kx10_mt.c b/PDP10/kx10_mt.c
index de3a3ec..0ce3ee8 100644
--- a/PDP10/kx10_mt.c
+++ b/PDP10/kx10_mt.c
@@ -34,7 +34,7 @@
    of junk.  File marks are represented by a byte count of 0.
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_tape.h"
 
 #ifndef NUM_DEVS_MT
diff --git a/PDP10/kx10_pt.c b/PDP10/kx10_pt.c
index 457afa2..5d9457e 100644
--- a/PDP10/kx10_pt.c
+++ b/PDP10/kx10_pt.c
@@ -24,7 +24,7 @@
    in this Software without prior written authorization from Richard Cornwell.
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_PT
 #define NUM_DEVS_PT 0
diff --git a/PDP10/kx10_rc.c b/PDP10/kx10_rc.c
index 74c5f53..5ddeead 100644
--- a/PDP10/kx10_rc.c
+++ b/PDP10/kx10_rc.c
@@ -21,7 +21,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_RC
 #define NUM_DEVS_RC 0
diff --git a/PDP10/kx10_rp.c b/PDP10/kx10_rp.c
index dee5bde..a916f56 100644
--- a/PDP10/kx10_rp.c
+++ b/PDP10/kx10_rp.c
@@ -21,7 +21,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_RP
 #define NUM_DEVS_RP 0
diff --git a/PDP10/kx10_rs.c b/PDP10/kx10_rs.c
index f407ce0..d550c27 100644
--- a/PDP10/kx10_rs.c
+++ b/PDP10/kx10_rs.c
@@ -21,7 +21,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_RS
 #define NUM_DEVS_RS 0
diff --git a/PDP10/kx10_sys.c b/PDP10/kx10_sys.c
index b392341..ed0f1fa 100644
--- a/PDP10/kx10_sys.c
+++ b/PDP10/kx10_sys.c
@@ -27,7 +27,7 @@
    in this Software without prior written authorization from Richard Cornwell.
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_card.h"
 #include <ctype.h>
 
diff --git a/PDP10/kx10_tu.c b/PDP10/kx10_tu.c
index 84c7663..5428f30 100644
--- a/PDP10/kx10_tu.c
+++ b/PDP10/kx10_tu.c
@@ -21,7 +21,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_tape.h"
 
 #ifndef NUM_DEVS_TU
diff --git a/PDP10/pdp6_dcs.c b/PDP10/pdp6_dcs.c
index 8dac14e..3938d3a 100644
--- a/PDP10/pdp6_dcs.c
+++ b/PDP10/pdp6_dcs.c
@@ -25,7 +25,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_sock.h"
 #include "sim_tmxr.h"
 
diff --git a/PDP10/pdp6_dct.c b/PDP10/pdp6_dct.c
index 16191bf..9ca0fd5 100644
--- a/PDP10/pdp6_dct.c
+++ b/PDP10/pdp6_dct.c
@@ -21,7 +21,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_DCT
 #define NUM_DEVS_DCT 0
diff --git a/PDP10/pdp6_dsk.c b/PDP10/pdp6_dsk.c
index 0d4f90d..f55e480 100644
--- a/PDP10/pdp6_dsk.c
+++ b/PDP10/pdp6_dsk.c
@@ -21,7 +21,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 
 #ifndef NUM_DEVS_DSK
 #define NUM_DEVS_DSK 0
diff --git a/PDP10/pdp6_dtc.c b/PDP10/pdp6_dtc.c
index 0bb56e9..5663bfc 100644
--- a/PDP10/pdp6_dtc.c
+++ b/PDP10/pdp6_dtc.c
@@ -78,7 +78,7 @@
 
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #ifndef NUM_DEVS_DTC
 #define NUM_DEVS_DTC 0
 #endif
diff --git a/PDP10/pdp6_mtc.c b/PDP10/pdp6_mtc.c
index dd14cfd..df82286 100644
--- a/PDP10/pdp6_mtc.c
+++ b/PDP10/pdp6_mtc.c
@@ -34,7 +34,7 @@
    of junk.  File marks are represented by a byte count of 0.
 */
 
-#include "ka10_defs.h"
+#include "kx10_defs.h"
 #include "sim_tape.h"
 
 #ifndef NUM_DEVS_MTC