Revert back to propagating R0 to the Front Panel data path on a WAIT instruction (per PDP-11 lore)

apps/pdp11/boot/monitor/README.md

@@ -4,6 +4,7 @@ title: PDP-11 Boot Monitor
 permalink: /apps/pdp11/boot/monitor/
 redirect_from:
   - /devices/pdp11/rom/test/
+  - /apps/pdp11/boot/test/
 ---
 
 PDP-11 Boot Monitor
@@ -26,7 +27,6 @@ The **BOOTMON.mac** source code is shown below.
 	; WANT PERFORMANCE COUNTER - CLOCK TICKS TO DO SOMETHING?
 	
 	PSW             =       177776
-	CNSW            =       177570
 	DL11XCSR        =       177564
 	DL11VEC         =       64
 	
@@ -51,8 +51,7 @@ The **BOOTMON.mac** source code is shown below.
 	        MOV     SP,R0
 	        JSR     PC,INPUT
 	        CLR     R0
-	1$:     MOV     R0,@#CNSW               ; UPDATE THE FRONT PANEL DATA DISPLAY WITH R0
-	        WAIT
+	1$:     WAIT
 	        INC     R0
 	        TST     LGHTON
 	        BEQ     1$