Merge branch 'master' into gh-pages

apps/pdp11/README.md

@@ -10,4 +10,8 @@ PDP-11 Software
 We have archived the following selected PDP-11 software:
 
 - [Boot Software](boot/)
-- [DEC PDP-11 Tapes](tapes/), including [Paper Tape Diagnostics](tapes/diags/)
+- [DEC PDP-11 Paper Tapes](tapes/), including [Paper Tape Diagnostics](tapes/diags/)
+
+Additional DEC diagnostics are also available on disk, such as:
+
+- [XXDP+ Diagnostics](/disks/dec/rl02k/xxdp/)

apps/pdp11/tapes/README.md

@@ -1,13 +1,13 @@
 ---
 layout: page
-title: DEC PDP-11 Tape Images
+title: DEC PDP-11 Paper Tape Images
 permalink: /apps/pdp11/tapes/
 ---
 
-DEC PDP-11 Tape Images
+DEC PDP-11 Paper Tape Images
-----------------------
+----------------------------
 
-To load any of the DEC PDP-11 tapes listed below, you will need to use a [PDPjs Machine](/devices/pdp11/machine/)
+To load any of the DEC PDP-11 paper tapes listed below, you will need to use a [PDPjs Machine](/devices/pdp11/machine/)
 with a [PC11 High-Speed Paper Tape Reader/Punch](/devices/pdp11/pc11/), such as this
 [PDP-11/20](/devices/pdp11/machine/1120/basic/debugger), and then follow this three-step process:
 

apps/pdp11/tapes/diags/README.md

@@ -17,6 +17,8 @@ into RAM using the machine's "Load" button instead of "Attach", allowing you to
 loading the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) in order to load the [Absolute Loader](/apps/pdp11/tapes/absloader/)
 in order to load the desired tape.
 
+Additional (non-paper tape) diagnostics are available on the [XXDP+ Diagnostics](/disks/dec/rl02k/xxdp/) disk.
+
 [![MAINDEC-11-D0AA-PB (MAR/70): TEST 1 - BRANCH](MAINDEC-11-D0AA-PB.jpg)](#tests-1-12)
 [![MAINDEC-11-D0BA-PB (MAR/70): TEST 2 - CON BRANCH](MAINDEC-11-D0BA-PB.jpg)](#tests-1-12)
 [![MAINDEC-11-D0CA-PB (MAR/70): TEST 3 - UNARY](MAINDEC-11-D0CA-PB.jpg)](#tests-1-12)
@@ -35,13 +37,13 @@ in order to load the desired tape.
 [![MAINDEC-11-D0NC-PB (FEB/72): TEST 14C - TRAP TEST](MAINDEC-11-D0NC-PB.jpg)](#test-14)
 [![MAINDEC-11-D0OA-PB (MAR/70): TEST 15 - CPU EXERCISER](MAINDEC-11-D0OA-PB.jpg)](#test-15)
 
-Instructions for Running Diagnostics
+Running Paper Tape Diagnostics
-------------------------------------
+------------------------------
 
 ### Tests 1-12
 
 Instructions for running "TEST 1 - BRANCH" through "TEST 12 - JUMP" come from the
-[MAINDEC USER REFERENCE MANUAL, OCTOBER 1973](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC_User_Reference_Manual_Oct73.pdf),
+[MAINDEC USER REFERENCE MANUAL, OCTOBER 1973](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQAB-B-D_User_Reference_Manual_Oct73.pdf),
 p. 19:
 
 	MAINDEC-11-D0AA to D0LA (NEW NUMBER - DZKAA to DZKAL)
@@ -138,6 +140,22 @@ instruction, and the test will halt.
 Note that, as the instructions indicate, this test will fail on a PDP-11/45 or newer machine, because
 it expects the MUL instruction to trap.
 
+This test is also noteworthy because it uncovered a bug involving instructions like this:
+
+	MOV     R0,(R0)+
+
+Imagine that R0 contains 1000.  PDPjs (as well as several other emulators I tested) would write the value 1000
+to address 1000 after auto-incrementing R0 to 1002.
+
+Unfortunately, that’s wrong. Apparently, the PDP-11 performs both source and destination address calculations
+before reading and writing the source and destination values.  So, in the above example, the value 1002 must be
+written to address 1000.
+
+I should add that not all emulators get this wrong: [SimH](https://github.com/simh/simh), the gold standard of
+PDP-11 emulators, handles it correctly.  However, it's unclear how much confidence one should place in SimH,
+because as I discovered later when running the [11/70 CPU EXERCISER](#md-11-1170-cpu-exerciser) diagnostic,
+SimH is not infallible.
+
 	MAINDEC-11-D0NA (NEW NUMBER - DAKAA)
 	
 	T14 TRAPS
@@ -179,6 +197,9 @@ it expects the MUL instruction to trap.
 Before loading and running this test on the [PDP-11/20 with Front Panel and Debugger](/devices/pdp11/machine/1120/panel/debugger/),
 it's recommended that you also toggle SW-15, as described below, so that the test will HALT on any failure.
 
+Also, this test, like [Test 14](#test-14), fails on a PDP-11/45 or newer machine.  In this case, it's because DEC
+changed the behavior of the RTI instruction on newer models.
+
 	MAINDEC-11-D0OA (NEW NUMBER - DZQKA)
 	
 	T15 Instruction Exerciser
@@ -234,4 +255,175 @@ so for now, I'm just going to pick out selected tapes and archive them here.
 
 From [bitsavers.org](http://bitsavers.trailing-edge.com/bits/DEC/pdp11/papertapeimages/20040101/), Tray 02:
 
-* Tape 04: [MAINDEC-11-DEQKC-B1-PB 06/12/78; 11/70 cpu instruction; exerciser; (c)1975,76](MAINDEC-11-DEQKC-B1-PB.json)
+* Tape 04: [MAINDEC-11-DEQKC-B1-PB 06/12/78; 11/70 cpu instruction exerciser; (c)1975,76](#md-11-1170-cpu-exerciser)
+
+MD-11 11/70 CPU EXERCISER
+-------------------------
+
+When started in a [PDP-11/70](/devices/pdp11/machine/1170/panel/debugger/cpuexer/) with no disk drives attached,
+this diagnostic displays the following startup information:
+
+	MAINDEC-11-DEQKC-B...PDP 11/70 CPU EXERCISOR
+	OPT.CP=145406
+	OPERATIONAL SWITCH SETTINGS
+	SWITCH                  USE
+	  15            HALT ON ERROR
+	  14            LOOP ON TEST
+	  13            INHIBIT ERROR TYPEOUTS
+	  12            INHIBIT UBE
+	  11            INHIBIT ITTERATIONS
+	  10            BELL ON ERROR
+	   9            LOOP ON ERROR
+	   8            INHIBIT RELOCATION VIA I/O DEVICE
+	   7            INHIBIT TYPEOUT OF THIS TEXT AND SYS SIZE
+	   6            INHIBIT RELOCATION
+	   5            INHIBIT ROUND ROBIN RELOCATION
+	   4            INHIBIT RANDOM DISK ADDRESS
+	   3            INHIBIT MBT
+	   2            THESE THREE SWITCHES
+	   1            ARE ENCODED TO SELECT RELOCATION
+	   0            ON THE FOLLOWING DEVICES:
+	        0...RP11/RP03
+	        1...RK11/RK05
+	        2...NOT USED
+	        3...NOT USED
+	        4...RH70/RP04
+	        5...RH70/RS04 OR RS03
+	        6...NOT USED
+	        7...NOT USED
+	THE FOLLOWING DEVICES AND DRIVES WILL BE USED FOR RELOCATION:
+	DEVICE  DRIVES
+	TYPE A CHARACTER TO CONTINUE
+
+The first time I tried this test, there were a number of failures.  Here's one example:
+
+	000:00:00
+	ERRORPC PHYSC PC    PSW   MAINT   TEST NO SUB-PASS CNT
+	022024  00022024  000340  000000  000041  000000  000000
+
+I disassembled the code responsible for that failure:
+
+	021632: 052737 000340 177776   BIS   #340,@#177776
+	021640: 010746                 MOV   PC,-(SP)
+	021642: 062716 000152          ADD   #152,@SP
+	021646: 011637 000004          MOV   @SP,@#4
+	021652: 012737 000340 000006   MOV   #340,@#6
+	021660: 013727 000014 001472   MOV   @#14,#1472
+	021666: 062716 000100          ADD   #100,@SP
+	021672: 012637 000014          MOV   (SP)+,@#14
+	021676: 012737 000340 000016   MOV   #340,@#16
+	021704: 012703 000376          MOV   #376,R3
+	021710: 010313                 MOV   R3,@R3
+	021712: 010306                 MOV   R3,SP
+	021714: 032767 140000 000234   BIT   #140000,022156
+	021722: 001015                 BNE   021756
+	021724: 005716                 TST   @SP
+	021726: 021666 177776          CMP   @SP,177776(SP)
+	021732: 012656                 MOV   (SP)+,@-(SP)
+	021734: 057636 000000          BIS   @000000(SP),@(SP)+
+	021740: 054676 000000          BIS   -(SP),@000000(SP)
+	021744: 005006                 CLR   SP
+	021746: 013766 020000 020000   MOV   @#20000,20000(SP)
+	021754: 000425                 BR    022030
+	021756: 156737 000175 177777   BISB  022157,@#177777
+	021764: 012706 000376          MOV   #376,SP
+	021770: 016646 177776          MOV   177776(SP),-(SP)
+	021774: 051616                 BIS   @SP,@SP
+	021776: 061666 177776          ADD   @SP,177776(SP)
+	022002: 105037 177777          CLRB  @#177777
+	022006: 012706 000700          MOV   #700,SP
+	022012: 000451                 BR    022136
+	022014: 012600                 MOV   (SP)+,R0
+	022016: 012602                 MOV   (SP)+,R2
+	022020: 012706 000700          MOV   #700,SP
+	022024: 104000                 EMT   000
+
+I wasn't able to locate a source code listing for this particular (1978) version of the 11/70 CPU Instruction Exerciser,
+but I did find another useful document,
+[11/40 and 11/45 INSTRUCTION EXERCISER (Sep, 1974)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DCQKC-D-D_1140_1145_INSTRUCTION_EXERCISER_Sep74.pdf),
+where I discovered a matching test sequence on p. 86.
+
+Here's an excerpt:
+
+	; THE BELOW INSTRUCTIONS SHOULD NOT CAUSE AN OVERFLOW TRAP
+	        TST     (SP)            ; BECAUSE TST IS A NON MODIFYING INST
+	        CMP     (SP),-2(SP)     ; SO IS COMPARE
+	        MOV     (SP)+,@-(SP)    ; BECAUSE OF ADDRESS MODE 5
+	        BIS     @(SP),@(SP)+    ; BECAUSE OF ADDRESS MODE 3
+	        BIS     -(SP),@(SP)     ; BECAUSE OF ADDRESS MODE 7
+	        CLR     SP
+	        MOV     @#20000,20000(SP)
+	        BR      3$              ; BRANCH OVER NON KERNEL MODE TESTS
+
+This test uncovered a number of stack overflow-related issues that PDPjs needed to resolve,
+including the fact that none of the "deferred" addressing modes (3, 5, or 7) apparently trigger a
+stack overflow; eg:
+
+	R0=000000 R1=154112 R2=155754 R3=000376 R4=160316 R5=153412
+	SP=000376 PC=021734 PS=000340 IR=000000 SL=000377 T0 N0 Z0 V0 C0
+    021734: 057636 000000          BIS   @000000(SP),@(SP)+
+
+whereas addressing mode 6 *does*; eg:
+
+	R0=001437 R1=154112 R2=000040 R3=000376 R4=160316 R5=153412 
+	SP=000376 PC=022074 PS=000340 IR=000000 SL=000377 T0 N0 Z0 V0 C0 
+	022074: 050666 177776          BIS   SP,177776(SP)
+
+I have to assume that the idiosyncrasies of stack overflow checking changed over time, because [Test 14](#test-14),
+which predates the 11/45 and 11/70, expects this instruction:
+
+	TST     -(SP)
+
+to trap when SP is 150.  That contradicts this newer test (ie, that TST should not cause an overflow
+trap "BECAUSE TST IS A NON MODIFYING INST").  For this and other reasons, PDPjs now installs different
+checkStackLimit() handlers based on the CPU model.
+
+---
+
+Here's the next test that PDPjs failed.  Again, I found the same sequence of instructions in the 11/40 and 11/45
+version of the diagnostic, at PC 023360 rather than 023450, so I have annotated the code below with DEC's comments:
+
+	023450: 012704 000001          MOV   #1,R4                  ;SET R4
+	023454: 006767 000060          SXT   023540                 ;PRESET DATA=0
+	023460: 074467 000054          XOR   R4,023540
+	023464: 100423                 BMI   023534
+	023466: 006304                 ASL   R4                     ;SHIFT R4
+	023470: 102373                 BVC   023460                 ;UNTIL V SETS (R4=100000)
+	023472: 100020                 BPL   023534                 ;BRANCH IF 'N' IS CLEAR
+	023474: 074467 000040          XOR   R4,023540              ;XOR6A=177777
+	023500: 100015                 BPL   023534
+	023502: 074767 000032          XOR   PC,023540              ;XOR PC WITH XOR6A (177777)
+	023506: 010767 000030          MOV   PC,023542              ;FORM PC AS USED IN XOR ABOVE
+	023512: 162767 000004 000022   SUB   #4,023542
+	023520: 005167 000016          COM   023542
+	023524: 026767 000012 000006   CMP   023542,023540          ;XOR6A SHOULD = COMPLEMENT OF PC
+	023532: 001401                 BEQ   023536
+	023534: 104000                 EMT   000                    ;ERROR: XOR TESTS ABOVE FAILED [They use HLT instead of EMT here]
+
+In my case, the failure was caused by the XOR instruction: it hadn't been updated along with the rest of the
+PDPjs instructions to defer evaluating register operands until BOTH *src* and *dst* operands have been decoded.
+So at this point:
+
+	R0=154343 R1=154112 R2=023422 R3=154501 R4=100000 R5=155066
+	SP=000700 PC=023502 PS=000010 IR=000000 SL=000377 T0 N1 Z0 V0 C0
+	023502: 074767 000032          XOR   PC,023540              ;XOR PC WITH XOR6A (177777)
+
+the XOR instruction was using 23504 for the *src* operand instead of 23506.
+
+Interestingly, this test PASSES in SimH, even though it *also* incorrectly uses 23504 for XOR's *src* operand.
+Why?  Because when SimH gets to this instruction:
+
+	023506: 010767 000030          MOV   PC,023542              ;FORM PC AS USED IN XOR ABOVE
+
+it incorrectly stores 023510 instead of 023512 into memory, and both mistakes end up canceling each other out.
+
+In fact, I'm less impressed with the accuracy of [SimH's](https://github.com/simh/simh) PDP-11 emulation
+than I used to be, because in the process of getting to this particular test within the "11/70 CPU EXERCISER"
+(MAINDEC-11-DEQKC-B1-PB) diagnostic, there were numerous other failures as well (eg, TEST 41 and TEST 45).
+However, SimH is not my baby, so delving into those failures is an exercise for another day.
+
+DISCLAIMER: Until I can run this test on real PDP-11 hardware, I have to acknowledge another possible
+explanation for the above failure: that SimH is *correct*, and that unlike all other registers, the value
+of the PC register is always used immediately, rather than after both *src* and *dst* have been decoded.
+But that strikes me as a strange architectural inconsistency, and given SimH's other "11/70 CPU EXERCISER"
+test failures, I'm going to stick with my original assumption -- for now.

devices/pdp11/machine/1170/panel/debugger/cpuexer/README.md

@@ -0,0 +1,14 @@
+---
+layout: page
+title: PDP-11/70 with Front Panel and Debugger
+permalink: /devices/pdp11/machine/1170/panel/debugger/cpuexer/
+machines:
+  - id: test1170
+    type: pdp11
+    debugger: true
+    autoStart: true
+---
+
+This machine runs the [11/70 CPU Instruction Exerciser](/apps/pdp11/tapes/diags/#md-11-1170-cpu-exerciser): MAINDEC-11-DEQKC-B1-PB.
+
+{% include machine.html id="test1170" %}

devices/pdp11/machine/1170/panel/debugger/cpuexer/machine.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-stylesheet type="text/xsl" href="/versions/pdpjs/1.30.3/machine.xsl"?>
+<machine id="test1170" class="pdp11" border="1" pos="center" background="#FAEBD7">
+	<name pos="center">PDP-11/70 with 256Kb, Front Panel and Debugger</name>
+	<computer id="computer" busWidth="22"/>
+	<cpu id="cpu" model="1170" cycles="6666667"/>
+	<ram id="ram" addr="0x00000" size="0x40000" file="/apps/pdp11/tapes/diags/MAINDEC-11-DEQKC-B1-PB.json"/>
+	<device id="default" type="default"/>
+	<serial id="dl11" adapter="0" binding="print" upperCase="true"/>
+	<panel ref="/devices/pdp11/panel/1170/debugger/front.xml"/>
+	<debugger id="debugger" base="8" messages="" commands=""/>
+	<device ref="/devices/pdp11/pc11/default.xml"/>
+</machine>

devices/pdp11/machine/1170/panel/debugger/xxdp/README.md

@@ -12,6 +12,9 @@ machines:
         path: http://archive.pcjs.org/disks/dec/rl02k/RL02K-XXDP.json
 ---
 
+This machine is ready to boot the [XXDP+ Diagnostics](/disks/dec/rl02k/xxdp/) ("BOOT RL0") and run the
+[EKBEE1](/disks/dec/rl02k/xxdp/ekbee1/) diagnostic ("R EKBEE1").
+
 {% include machine.html id="test1170" %}
 
 Other interesting things to know about this machine:

devices/pdp11/machine/1170/panel/debugger/xxdp/machine.xml

@@ -9,7 +9,7 @@
 	<device id="default" type="default"/>
 	<serial id="dl11" adapter="0" binding="print" upperCase="true"/>
 	<panel ref="/devices/pdp11/panel/1170/debugger/front.xml"/>
-	<debugger id="debugger" base="8" messages="" commands=""/>
+	<debugger id="debugger" base="8" messages="" commands="bp 076060"/>
 	<device ref="/devices/pdp11/pc11/default.xml"/>
 	<device ref="/devices/pdp11/rl11/default.xml"/>
 </machine>

disks/dec/rl02k/xxdp/README.md

@@ -1,41 +1,50 @@
 ---
 layout: page
-title: "DEC RL02K Disk Images: XXDP+"
+title: "XXDP+ Diagnostics Disk"
 permalink: /disks/dec/rl02k/xxdp/
 ---
 
-DEC RL02K Disk Images: XXDP+
+XXDP+ Diagnostics Disk
-----------------------------
+----------------------
 
-To boot the "XXDP+ Diagnostics" disk, start a [PDP-11/70](devices/pdp11/machine/1170/panel/debugger/) and select
+The XXDP+ Diagnostics disk described below contains a wealth of PDP-11 tests.  Tests that PDPjs has exercised
-the "XXDP+ Diagnostics" disk from the "Disk Drive Controls", click "Load", and wait for the message:
+include:
+
+- [EKBEE1: 11/70 MEMORY MANAGEMENT DIAGNOSTIC](ekbee1/) ([Demo](/devices/pdp11/machine/1170/panel/debugger/xxdp/))
+
+Running XXDP+ Diagnostics
+-------------------------
+
+To boot the "XXDP+ Diagnostics" disk, start a [PDP-11/70](devices/pdp11/machine/1170/panel/debugger/) with an
+[RL11 Disk Controller](/devices/pdp11/rl11/), select the "XXDP+ Diagnostics" disk from the "Disk Drive Controls",
+click "Load", and wait for the message:
 
 	Mounted disk "XXDP+ Diagnostics" in drive RL0
 
 Then start the machine (click "Run") and make sure the following prompt has been displayed:
 
 	PDP-11 MONITOR V1.0
-	
+
-	BOOT> 
+	BOOT>
 
 At the prompt, type "BOOT RL0".  The following text should appear:
 
 	CHMDLD0 XXDP+ DL MONITOR
 	BOOTED VIA UNIT 0
 	28K UNIBUS SYSTEM
-	
+
-	ENTER DATE (DD-MMM-YY): 
+	ENTER DATE (DD-MMM-YY):
-	
+
 	RESTART ADDR: 152010
 	THIS IS XXDP+.  TYPE "H" OR "H/L" FOR HELP.
-	
+
 	.
 
 The "H" (HELP) command displays the following information:
 
 	       Monitor Commands
 	       ----------------
-	
+
 	          R              run a program
 	          L              load a program
 	          S              start a program
@@ -44,8 +53,8 @@ The "H" (HELP) command displays the following information:
 	          F              set the terminal fill count
 	          E              enable alternate system device
 	          H              type help information
-	
+
-	
+
 	       DRS Commands
 	       ------------
 	               Execution
@@ -55,27 +64,27 @@ The "H" (HELP) command displays the following information:
 	          CONTINUE       continue   diagnostic   at   test   that    was
 	                         interrupted by a ^C
 	          PROCEED        continue from an error halt
-	
+
 	               Units Under Test
 	               ----------------
 	          ADD            activate a unit for testing
 	          DROP           deactivate a unit
 	          DISPLAY        print a list of device information
-	
+
 	               Flags
 	               -----
 	          FLAGS          print status of all flags
 	          ZFLAGS         reset all flags
-	
+
 	               Statistics
 	               ----------
 	          PRINT          print statistical information
-	
+
 	               Exitting
 	               --------
 	          EXIT           return to XXDP+ runtime monitor
-	
+
-	
+
 	       DRS Command Switches
 	       --------------------
 	          /TESTS:test-list    execute only the tests specified
@@ -84,11 +93,11 @@ The "H" (HELP) command displays the following information:
 	          /EOP:ddddd          report end-of-pass after each ddddd passes
 	                              (ddddd = 1 to 64000)
 	          /UNITS:unit-list    command will affect only specified units
-	
+
-	
+
 	       DRS Flags
 	       ---------
-	
+
 	          Flag      Effect
 	          ----      ------
 	          HOE       halt on error  -  control  is  returned  to  runtime
@@ -112,8 +121,8 @@ The "H" (HELP) command displays the following information:
 	          LOT       loop on test
 	          EVL       execute  evaluation  (on  diagnostics   which   have
 	                    evaluation support)
-	
+
-	
+
 	       UPD1 Commands
 	       -------------
 	          CLR       clear UPD1 program buffer
@@ -125,8 +134,8 @@ The "H" (HELP) command displays the following information:
 	          DUMP      dump a program image
 	          DEL       delete a file
 	          BOOT      bootstrap a device
-	
+
-	
+
 	       UPD2 Commands
 	       -------------
 	          File Manipulation
@@ -136,7 +145,7 @@ The "H" (HELP) command displays the following information:
 	          FILE      transfer a file or files
 	          DEL       delete a file or files
 	          REN       rename a file
-	
+
 	          File Modification
 	          -----------------
 	          CLR       clear UPD2 program buffer
@@ -146,14 +155,14 @@ The "H" (HELP) command displays the following information:
 	          HICORE    set upper memory limit for dump
 	          LOCORE    set lower memory limit for dump
 	          DUMP      dump a program image
-	
+
 	          New Medium Creation
 	          -------------------
 	          ZERO      initialize a medium
 	          SAVM      save a monitor on a disk
 	          SAVE      save a monitor on a tape
 	          COPY      copy entire medium
-	
+
 	          Miscellaneous
 	          -------------
 	          ASG       assign a logical name to a device
@@ -161,18 +170,18 @@ The "H" (HELP) command displays the following information:
 	          READ      read a file to check validity
 	          EOT       write end-of-tape mark
 	          DRIVER    load a device driver
-	
+
 	          Returning to Monitor
 	          --------------------
 	          BOOT      bootstrap a device
 	          EXIT      return control to the runtime monitor
-	
+
 	          Printing
 	          --------
 	          PRINT     print a file on the line printer
 	          TYPE      type a file on the console terminal
-	
+
-	
+
 	       PATCH Commands
 	       --------------
 	          BOOT           Boot specified device
@@ -185,8 +194,8 @@ The "H" (HELP) command displays the following information:
 	          PATCH          Crreate patched file
 	          SAVP           Save input table
 	          TYPE           Print input table on terminal
-	
+
-	
+
 	       XTECO Non-edit Commands
 	       -----------------------
 	          TEXT - create new text file
@@ -196,23 +205,23 @@ The "H" (HELP) command displays the following information:
 	          PRINT - print a file on the line printer
 	          DIR - list directory of specified medium
 	          EXIT - return to monitor
-	
+
-	
+
 	       XTECO Edit Commands
 	       -------------------
-	
+
 	          Pointer Location
 	          ----------------
 	          L - move the pointer line by line
 	          C - move the pointer character by character
 	          J - move the pointer to the beginning of text
 	          ZJ - move the pointer to the end of text
-	
+
 	          Search
 	          ------
 	          S - search for specified string in text now in memory
 	          N - search for specified string in remainder of text file
-	
+
 	          Modify/Display Text
 	          -------------------
 	          T - type text
@@ -220,7 +229,7 @@ The "H" (HELP) command displays the following information:
 	          K - delete line(s)
 	          I - insert text
 	          A - append text to that currently in memory
-	
+
 	          Terminating Edit Mode
 	          ---------------------
 	          EX - exit edit mode
@@ -229,7 +238,7 @@ The "H" (HELP) command displays the following information:
 The "D" (DIRECTORY) command displays the following information:
 
 	ENTRY# FILNAM.EXT        DATE          LENGTH  START
-	
+
 	    1  MMDP  .SAV       3-MAR-83C        17    000310
 	    2  MTDP  .SAV       3-MAR-83C        17    000331
 	    3  HSAAD0.SYS       3-MAR-83         24    000352
@@ -1180,4 +1189,3 @@ The "D" (DIRECTORY) command displays the following information:
 	  948  DXDPU .CMD      25-MAR-82          1    037331
 	  949  SXDP26.BAK      25-MAR-82          1    037332
 	  950  SXDP27.BAK      25-MAR-82          1    037333
-

disks/dec/rl02k/xxdp/ekbee1/README.md

@@ -0,0 +1,73 @@
+---
+layout: page
+title: "EKBEE1: 11/70 MEMORY MANAGEMENT DIAGNOSTIC"
+permalink: /disks/dec/rl02k/xxdp/ekbee1/
+---
+
+EKBEE1: 11/70 MEMORY MANAGEMENT DIAGNOSTIC
+------------------------------------------
+
+From the
+[PDP-11 Diagnostic Handbook (1988)](http://archive.pcjs.org/pubs/dec/pdp11/diags/PDP11_DiagnosticHandbook_1988.pdf),
+p. 1-10:
+
+	11/70 MEMORY MANAGEMENT TEST
+
+	ABSTRACT:
+
+		This program was designed using a "BOTTOM UP" approach starting with the smallest segment of MEMORY
+		MANAGEMENT logic and building up to cover all the logic.  The program begins by testing some of the
+		internal CPU data and address path and address detection logic, then works outward through the MEM.
+		MANAGEMENT registers.  It is assumed that both the CPU and the CACHE have been tested, or are known
+		to be good.
+
+	OPERATING PROCEDURES:
+			Set the switch register by <CONTROL P>
+		CON = xxxxxxWZ
+			(W = deposit xxxxxx into console switch register)
+			(R = read and type console switch settings / CON = R)
+			(Z = switch console terminal back to program)
+
+	.R EKBEEI
+
+	SWITCH SETTINGS
+		SW15 = 1 halt on error
+		SW14 = 1 loop on current test
+		SW13 = 1 inhibit all error typeouts
+		SW12 = 1 inhibit trace trapping
+		SW11 = 1 inhibit iterations
+		SW10 = 1 ring bell on error
+		SW09 = 1 loop on error
+		SW08 = 1 loop on test in SWR < 06:00>
+		SW07 = 1 inhibit multiple error typeouts
+		SW06 = 1 selects subtest
+		...
+
+The closest we have to a source code listing of the EKBEE1 diagnostic comes from some
+[scanned microfiche](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.pdf)
+on [bitsavers.org](http://bitsavers.trailing-edge.com/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/) for:
+
+	PRODUCT CODE: AC-7975E-MC
+	PRODUCT NAME: CEKBEE0 11/70 MEM MGMT
+	DATE CREATED: MAY, 1980
+	MAINTAINER:   DIAGNOSTIC ENGINEERING
+
+One of the last tests within the diagnostic to pass in PDPjs was "TEST 122: KT BEND", which appears on p. 208 of
+the PDF (p. 199 of the source code listing):
+
+	;;***************************************************************
+	;*TEST 122      KT BEND
+	;*
+	;*      THIS TEST ENSURES THAT TMCE KT BEND GOES LOW ON AN ODD
+    ;*      ADDRESS ERROR, SL RED, AND NEXM. THIS IS DONE BY EXECUTING
+    ;*      AN INSTRUCTION FOR EACH Of THESE THESE CASES THAT ALSO
+    ;*      CAUSES A KT ABORT. THE ABORT SHOULD NOT BE HONORED.
+    ;*
+    ;*      NOTE: ON A KB11-E OR KB11-EM THE KT ABORT SHOULD BE HONORED OVER A
+    ;*      NEXM TRAP.  IF THIS IS A KB11-E/EM THEN THIS FEATURE IS TESTED.
+    ;****************************************************************
+
+As noted in the *mapVirtualToPhysical()* function in [cpustate.js](/modules/pdp11/lib/cpustate.js), this test
+begins at PC 076060.
+
+This diagnostic should run in any [PDP-11/70](/devices/pdp11/machine/1170/) ([Demo](/devices/pdp11/machine/1170/panel/debugger/xxdp/)).

modules/pdp11/lib/bus.js

@@ -211,7 +211,7 @@ BusPDP11.IOHANDLER = {
  *
  * Those fallbacks may not always be appropriate; for example, byte writes to some device registers
  * must be zero-extended to update the entire word.  For those cases, the fallback's "preliminary" read
- * is issued with a zero address so that the handler can distinguish a normal read from one of these
+ * is issued with a fPreWrite flag so that the handler can distinguish a normal read from one of these
  * preliminary reads (aka read-before-write), and return an appropriate value for the update (eg, zero).
  *
  * If none of these fallback behaviors are appropriate, the device has a simple recourse: register

modules/pdp11/lib/cpuops.js

@@ -1243,15 +1243,15 @@ PDP11.JSR_CYCLES = [
 PDP11.opJSR = function(opCode)
 {
     /*
-     * Since JMP and JSR opcodes have their own unique timings for the various dst modes, we must snapshot
+     * Since JMP and JSR opcodes have their own unique timings for the various dst modes, we must
-     * nStepCycles before decoding the mode, and then use that to update nStepCycles.
+     * snapshot nStepCycles before decoding the mode, and then use that to update nStepCycles.
      */
     this.nSnapCycles = this.nStepCycles;
-    /*
-     * TODO: Determine whether or not the SRCMODE operand (regsGen[reg]) should be snapped BEFORE or AFTER we
-     * decode the DSTMODE operand.  Doing it AFTER seems a bit risky.
-     */
     var addr = this.readDstAddr(opCode);
+    /*
+     * As per the WARNING in readSrcWord(), reading the SRC register AFTER decoding the DST operand
+     * is entirely appropriate.
+     */
     var reg = (opCode >> PDP11.SRCMODE.SHIFT) & PDP11.OPREG.MASK;
     this.pushWord(this.regsGen[reg]);
     this.regsGen[reg] = this.getPC();
@@ -1883,7 +1883,11 @@ PDP11.opWAIT = function(opCode)
 PDP11.opXOR = function(opCode)
 {
     var reg = (opCode >> PDP11.SRCMODE.SHIFT) & PDP11.OPREG.MASK;
-    this.updateDstWord(opCode, this.regsGen[reg], PDP11.fnXOR);
+    /*
+     * As per the WARNING in readSrcWord(), we must supply a register number rather than a register value,
+     * which will then be evaluated by updateDstWord() after both the SRC and DST operands have been decoded.
+     */
+    this.updateDstWord(opCode, -reg-1 /* this.regsGen[reg] */, PDP11.fnXOR);
     this.nStepCycles -= (this.dstMode? (8 + 1) : (2 + 1) + (this.dstReg == 7? 2 : 0));
 };
 

modules/pdp11/lib/cpustate.js

@@ -125,8 +125,10 @@ CPUStatePDP11.prototype.initProcessor = function()
 {
     if (this.model == PDP11.MODEL_1120) {
         this.decode = PDP11.op1120.bind(this);
+        this.checkStackLimit = this.checkStackLimit1120;
     } else {
         this.decode = PDP11.op1145.bind(this);
+        this.checkStackLimit = this.checkStackLimit1145;
     }
 
     this.initRegs();
@@ -247,7 +249,7 @@ CPUStatePDP11.prototype.resetMMU = function()
     this.regMMR1 = 0;           // 177574
     this.regMMR2 = 0;           // 177576
     this.regMMR3 = 0;           // 172516
-    this.regErr = 0;            // 177766
+    this.regErr = 0;            // 177766       TODO: Do we ever need to clear this, because it appears to accumulate errors...
     this.regPIR = 0;            // 177772
     this.regSL = 0xff;          // 177774
     this.mmuEnable = 0;         // MMU enabled for PDP11.ACCESS.READ or PDP11.ACCESS.WRITE
@@ -1304,9 +1306,11 @@ CPUStatePDP11.prototype.trap = function(vector, flag, reason)
     if (this.trapPSW < 0) {
         this.trapPSW = this.getPSW();
     } else if (!this.mmuMode) {
-        /*
+        reason = PDP11.REASON.RED;      // double-fault (nested trap) forces a RED condition
-         * Double-fault (nested trap) condition detected.
+    }
-         */
+
+    var fRed = false;
+    if (reason == PDP11.REASON.RED) {
         vector = 4;
         /*
          * The next two lines used to be deferred until after the setPSW() below, but
@@ -1314,7 +1318,7 @@ CPUStatePDP11.prototype.trap = function(vector, flag, reason)
          */
         this.regErr |= PDP11.CPUERR.RED;
         this.regsGen[6] = 4;
-        reason = PDP11.REASON.RED;
+        fRed = true;
     }
 
     /*
@@ -1343,14 +1347,15 @@ CPUStatePDP11.prototype.trap = function(vector, flag, reason)
      */
     this.setPSW((newPSW & ~PDP11.PSW.PMODE) | ((this.trapPSW >> 2) & PDP11.PSW.PMODE));
 
-    this.pushWord(this.trapPSW);
+    this.pushWord(this.trapPSW, fRed);
-    this.pushWord(this.regsGen[7]);
+    this.pushWord(this.regsGen[7], fRed);
     this.setPC(newPC);
 
     /*
-     * DEC's "TRAP TEST" triggers a RESERVED trap with an invalid opcode and the stack deliberately
+     * DEC's "TRAP TEST" (MAINDEC-11-D0NA-PB) triggers a RESERVED trap with an invalid opcode and the
-     * set too low, and expects the stack overflow trap to be "sprung" immediately afterward, so we
+     * stack deliberately set too low, and expects the stack overflow trap to be "sprung" immediately
-     * only want to "lose interest" in the TRAP flag(s) that were set on entry, not ALL of them.
+     * afterward, so we only want to "lose interest" in the TRAP flag(s) that were set on entry, not ALL
+     * of them.
      *
      *      this.opFlags &= ~PDP11.OPFLAG.TRAP_MASK;    // lose interest in traps after an abort
      *
@@ -1488,12 +1493,12 @@ CPUStatePDP11.prototype.mapUnibus = function(addr)
 };
 
 /**
- * mapVirtualToPhysical(virtualAddress, accessFlags)
+ * mapVirtualToPhysical(virtualAddress, access)
  *
  * mapVirtualToPhysical() does memory management. It converts a 17-bit I/D virtual address to a
  * 22-bit physical address.  A real PDP 11/70 memory management unit can be enabled separately
  * for read and write for diagnostic purposes.  This is handled here by having an enable mask
- * (mmuEnable) which is tested against the operation access mask (accessFlags).  If there is no
+ * (mmuEnable) which is tested against the operation access mask (access).  If there is no
  * match, then the virtual address is simply mapped as a 16 bit physical address with the upper
  * page going to the IO address space.  Significant access mask values used are PDP11.ACCESS.READ
  * and PDP11.ACCESS.WRITE.
@@ -1539,19 +1544,19 @@ CPUStatePDP11.prototype.mapUnibus = function(addr)
  *
  * @this {CPUStatePDP11}
  * @param {number} virtualAddress
- * @param {number} accessFlags
+ * @param {number} access
  * @return {number}
  */
-CPUStatePDP11.prototype.mapVirtualToPhysical = function(virtualAddress, accessFlags)
+CPUStatePDP11.prototype.mapVirtualToPhysical = function(virtualAddress, access)
 {
     var page, pdr, physicalAddress;
 
-    this.assert(!(virtualAddress & ~0x1ffff) && accessFlags);
+    this.assert(!(virtualAddress & ~0x1ffff) && access);
 
     /*
      * This can happen when the DSTMODE (MAINT) bit of MMR0 is set but *not* the ENABLED bit.
      */
-    if (!(accessFlags & this.mmuEnable)) {
+    if (!(access & this.mmuEnable)) {
         physicalAddress = virtualAddress & 0xffff;
         if (physicalAddress >= BusPDP11.IOPAGE_16BIT) {
             physicalAddress |= this.addrIOPage;
@@ -1572,13 +1577,24 @@ CPUStatePDP11.prototype.mapVirtualToPhysical = function(virtualAddress, accessFl
      *      As an aside it turns out that it is the memory management unit that does odd address and
      *      non-existent memory trapping: who knew? :-) I thought these would have been handled at access time.
      *
-     * I haven't imported the non-existent memory checks he performed (yet); I would like to see the problems
+     * TEST #122 ("KT BEND") in the "EKBEE1" diagnostic (PC 076060) triggers an ODDADDR error using this
-     * in action first.
+     * instruction:
      *
-     * As for the ODDADDR error that's supposed to generate a BUS error rather than an MMU error, this happens
+     *      076356: 005037 140001          CLR   @#140001
-     * in TEST #122 ("KT BEND") in the "EKBEE1" diagnostic (PC 076456).
+     *
+     * and it expects that instruction to generate a BUS error rather than an MMU error, so we deal with that
+     * next.  However, the test also claims to check for an NEXM (non-existent memory) error, using this
+     * instruction:
+     *
+     *      076170: 005037 140100          CLR   @#140100
+     *
+     * but that error never materializes, so I've NOT included any NEXM checks yet.  I assume that any such
+     * checks would be limited to whatever's recorded in the Memory Size registers (177760), because actually
+     * checking every physical address at this stage -- even in a real MMU -- seems prohibitively expensive.
+     *
+     * TODO: Investigate why the test's NEXM error doesn't occur.
      */
-    if ((physicalAddress & 0x1) && !(accessFlags & PDP11.ACCESS.BYTE)) {
+    if ((physicalAddress & 0x1) && !(access & PDP11.ACCESS.BYTE)) {
         this.regErr |= PDP11.CPUERR.ODDADDR;
         this.trap(PDP11.TRAP.BUS, 0, physicalAddress);
     }
@@ -1592,7 +1608,7 @@ CPUStatePDP11.prototype.mapVirtualToPhysical = function(virtualAddress, accessFl
 
     case PDP11.PDR.ACF.RO:      // 0x2: read-only, abort on write attempt
         pdr |= PDP11.PDR.ACCESSED;
-        if (accessFlags & PDP11.ACCESS.WRITE) {
+        if (access & PDP11.ACCESS.WRITE) {
             newMMR0 = PDP11.MMR0.ABORT_RO;
         }
         break;
@@ -1602,13 +1618,13 @@ CPUStatePDP11.prototype.mapVirtualToPhysical = function(virtualAddress, accessFl
         /* falls through */
 
     case PDP11.PDR.ACF.RW2:     // 0x5: read/write, memory management trap upon completion of a write (11/70 only)
-        if (accessFlags & PDP11.ACCESS.WRITE) {
+        if (access & PDP11.ACCESS.WRITE) {
             newMMR0 = PDP11.MMR0.TRAP_MMU;
         }
         /* falls through */
 
     case PDP11.PDR.ACF.RW:      // 0x6: read/write, no system trap/abort action
-        pdr |= ((accessFlags & PDP11.ACCESS.WRITE) ? (PDP11.PDR.ACCESSED | PDP11.PDR.MODIFIED) : PDP11.PDR.ACCESSED);
+        pdr |= ((access & PDP11.ACCESS.WRITE) ? (PDP11.PDR.ACCESSED | PDP11.PDR.MODIFIED) : PDP11.PDR.ACCESSED);
         break;
 
     default:                    // 0x0 (non-resident, abort all accesses) or 0x3 or 0x7 (unused, abort all accesses)
@@ -1717,61 +1733,23 @@ CPUStatePDP11.prototype.popWord = function()
 };
 
 /**
- * pushWord(data)
+ * pushWord(data, fRed)
  *
  * @this {CPUStatePDP11}
  * @param {number} data
+ * @param {boolean} [fRed]
  */
-CPUStatePDP11.prototype.pushWord = function(data)
+CPUStatePDP11.prototype.pushWord = function(data, fRed)
 {
     var virtualAddress = (this.regsGen[6] - 2) & 0xffff;
     this.regsGen[6] = virtualAddress;           // BSD needs SP updated before any fault :-(
     this.lastOp = (this.lastOp & 0xffff) | ((this.lastOp & ~0xffff) << 8) | (0x00f6 << 16);
-    this.checkStackLimit(0, virtualAddress);
+    if (!fRed) this.checkStackLimit(PDP11.ACCESS.WRITE_WORD, -2, virtualAddress);
     this.writeWord(virtualAddress, data);
 };
 
 /**
- * checkStackLimit(mode, addr)
+ * getAddrByMode(mode, reg, access)
- *
- * The special "mode 0" case used by pushWord() ignores addr <= 4, because pushWord() is used by trap(),
- * and if the trap() was generated by a RED error (below) or generated a RED error itself, then we need to
- * avoid triggering another (nested) RED error.
- *
- * TODO: pushWord() is not used exclusively by trap(); it's also used by a few instructions, like opJSR(),
- * so we might need to do some additional factoring of this function's logic.
- *
- * @this {CPUStatePDP11}
- * @param {number} mode (ie, the addressing mode, or 0 if pushWord() is checking)
- * @param {number} addr
- */
-CPUStatePDP11.prototype.checkStackLimit = function(mode, addr)
-{
-    if (!this.mmuMode) {
-        /*
-         * NOTE: I've removed the tests below for addr >= 0xFFFE, which were ported from the original code,
-         * because while it's definitely a bad physical stack address, I'm not sure it rises to the level of
-         * a trap, and this code is already expensive enough as it is.
-         */
-        if (addr <= this.regSL && (mode || addr > 4) /* || mode && addr >= 0xFFFE */) {
-            if (this.model >= PDP11.MODEL_1145 && (addr <= this.regSL - 32 /* || mode == 1 && addr >= 0xFFFE */)) {
-                this.regErr |= PDP11.CPUERR.RED;
-                this.regsGen[6] = 4;
-                this.trap(PDP11.TRAP.BUS, 0, PDP11.REASON.RED);
-            } else {
-                /*
-                 * On older machines (eg, the PDP-11/20), the instruction is always allowed to complete,
-                 * so the trap must always be issued in this fashion.
-                 */
-                this.regErr |= PDP11.CPUERR.YELLOW;
-                this.opFlags |= PDP11.OPFLAG.TRAP_SP;
-            }
-        }
-    }
-};
-
-/**
- * getAddrByMode(mode, reg, accessFlags)
  *
  * getAddrByMode() maps a six bit operand to a 17 bit I/D virtual address space.
  *
@@ -1798,7 +1776,14 @@ CPUStatePDP11.prototype.checkStackLimit = function(mode, addr)
  * --------------------
  * On the PDP-11/20, stack overflow traps occur when an address below 400 is referenced
  * by SP in either mode 4 (auto-decrement) or 5 (auto-decrement deferred).  The instruction
- * is allowed to complete before the trap is issued.
+ * is allowed to complete before the trap is issued.  NOTE: This information comes
+ * directly from the PDP-11/20 Handbook (1971), but the 11/20 diagnostics apparently only
+ * test mode 4, not mode 5, because when I later removed stack limit checks for mode 5 on
+ * the 11/70, none of the 11/20 tests complained.
+ *
+ * TODO: Find some independent confirmation as to whether ANY PDP-11 models check for
+ * stack overflow on mode 5 (auto-decrement deferred); if they do, then further tweaks to
+ * checkStackLimit functions may be required.
  *
  * On the PDP-11/70, the stack limit register (177774) allows a variable boundary for the
  * kernel stack.
@@ -1806,13 +1791,13 @@ CPUStatePDP11.prototype.checkStackLimit = function(mode, addr)
  * @this {CPUStatePDP11}
  * @param {number} mode
  * @param {number} reg
- * @param {number} accessFlags
+ * @param {number} access
  * @return {number}
  */
-CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, accessFlags)
+CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, access)
 {
     var virtualAddress, step;
-    var addrDSpace = (accessFlags & PDP11.ACCESS.VIRT)? 0 : this.addrDSpace;
+    var addrDSpace = (access & PDP11.ACCESS.VIRT)? 0 : this.addrDSpace;
 
     /*
      * Modes that need to auto-increment or auto-decrement will break, in order to perform
@@ -1835,9 +1820,7 @@ CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, accessFlags)
      * Mode 1: (R)
      */
     case 1:
-        if (reg == 6 && (accessFlags & PDP11.ACCESS.WRITE)) {
+        if (reg == 6) this.checkStackLimit(access, 0, this.regsGen[6]);
-            this.checkStackLimit(mode, this.regsGen[6]);
-        }
         this.nStepCycles -= (2 + 1);
         return (reg == 7? this.regsGen[reg] : (this.regsGen[reg] | addrDSpace));
 
@@ -1847,11 +1830,10 @@ CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, accessFlags)
     case 2:
         step = 2;
         virtualAddress = this.regsGen[reg];
+        if (reg == 6) this.checkStackLimit(access, step, virtualAddress);
         if (reg != 7) {
             virtualAddress |= addrDSpace;
-            if (reg < 6 && (accessFlags & PDP11.ACCESS.BYTE)) {
+            if (reg < 6 && (access & PDP11.ACCESS.BYTE)) step = 1;
-                step = 1;
-            }
         }
         this.nStepCycles -= (2 + 1);
         break;
@@ -1873,8 +1855,9 @@ CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, accessFlags)
      */
     case 4:
         step = -2;
-        if (reg < 6 && (accessFlags & PDP11.ACCESS.BYTE)) step = -1;
+        if (reg < 6 && (access & PDP11.ACCESS.BYTE)) step = -1;
         virtualAddress = (this.regsGen[reg] + step) & 0xffff;
+        if (reg == 6) this.checkStackLimit(access, step, virtualAddress);
         if (reg != 7) virtualAddress |= addrDSpace;
         this.nStepCycles -= (3 + 1);
         break;
@@ -1895,9 +1878,10 @@ CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, accessFlags)
      */
     case 6:
         virtualAddress = this.readWord(this.advancePC(2));
-        virtualAddress = ((virtualAddress + this.regsGen[reg]) & 0xffff) | addrDSpace;
+        virtualAddress = (virtualAddress + this.regsGen[reg]) & 0xffff;
+        if (reg == 6) this.checkStackLimit(access, 0, virtualAddress);
         this.nStepCycles -= (4 + 2);
-        return virtualAddress;
+        return virtualAddress | addrDSpace;
 
     /*
      * Mode 7: @d(R)
@@ -1905,24 +1889,73 @@ CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, accessFlags)
     case 7:
         virtualAddress = this.readWord(this.advancePC(2));
         virtualAddress = (virtualAddress + this.regsGen[reg]) & 0xffff;
-        virtualAddress = this.readWord(virtualAddress | this.addrDSpace) | addrDSpace;
+        virtualAddress = this.readWord(virtualAddress | this.addrDSpace);
         this.nStepCycles -= (7 + 3);
-        return virtualAddress;
+        return virtualAddress | addrDSpace;
     }
 
     this.regsGen[reg] = (this.regsGen[reg] + step) & 0xffff;
     this.lastOp = (this.lastOp & 0xffff) | ((this.lastOp & ~0xffff) << 8) | ((((step << 3) & 0xf8) | reg) << 16);
 
-    /*
-     * NOTE: We had to eliminate the test for "(accessFlags & PDP11.ACCESS.WRITE)", because DEC's
-     * "TRAP TEST" expects "TST -(SP)" to trap when SP is 150.
-     */
-    if (reg == 6 && step < 0) {
-        this.checkStackLimit(mode, this.regsGen[6]);
-    }
     return virtualAddress;
 };
 
+/**
+ * checkStackLimit1120(access, step, addr)
+ *
+ * @this {CPUStatePDP11}
+ * @param {number} access
+ * @param {number} step
+ * @param {number} addr
+ */
+CPUStatePDP11.prototype.checkStackLimit1120 = function(access, step, addr)
+{
+    /*
+     * NOTE: DEC's "TRAP TEST" (MAINDEC-11-D0NA-PB) expects "TST -(SP)" to trap when SP is 150,
+     * so we ignore the access parameter.  Also, strangely, it does NOT expect this instruction
+     * to trap:
+     *
+     *      R0=006302 R1=000000 R2=000000 R3=000000 R4=000000 R5=000776
+     *      SP=000000 PC=006346 PS=000344 IR=000000 SL=000377 T0 N0 Z1 V0 C0
+     *      006346: 112667 171426          MOVB  (SP)+,000000
+     *
+     * so if the step parameter is positive, we let it go.
+     */
+    if (!this.mmuMode && step <= 0 && addr <= this.regSL) {
+        /*
+         * On older machines (eg, the PDP-11/20), there is no "YELLOW" and "RED" distinction, and the
+         * instruction is always allowed to complete, so the trap must always be issued in this fashion.
+         */
+        this.opFlags |= PDP11.OPFLAG.TRAP_SP;
+    }
+};
+
+/**
+ * checkStackLimit1145(access, step, addr)
+ *
+ * @this {CPUStatePDP11}
+ * @param {number} access
+ * @param {number} step
+ * @param {number} addr
+ */
+CPUStatePDP11.prototype.checkStackLimit1145 = function(access, step, addr)
+{
+    if (!this.mmuMode) {
+        /*
+         * NOTE: The 11/70 CPU Instruction Exerciser does NOT expect reads to trigger a stack overflow,
+         * so we check the access parameter.
+         */
+        if ((access & PDP11.ACCESS.WRITE) && addr <= this.regSL) {
+            if (addr <= this.regSL - 32) {
+                this.trap(PDP11.TRAP.BUS, 0, PDP11.REASON.RED);
+            } else {
+                this.regErr |= PDP11.CPUERR.YELLOW;
+                this.opFlags |= PDP11.OPFLAG.TRAP_SP;
+            }
+        }
+    }
+};
+
 /**
  * getByteDirect(addr)
  *
@@ -2008,35 +2041,35 @@ CPUStatePDP11.prototype.setWordDirect = function(addr, data)
 };
 
 /**
- * getPhysicalAddrByMode(mode, reg, accessFlags)
+ * getPhysicalAddrByMode(mode, reg, access)
  *
  * This is a handler set up by setMemoryAccess().  All calls should go through getAddr().
  *
  * @this {CPUStatePDP11}
  * @param {number} mode
  * @param {number} reg
- * @param {number} accessFlags
+ * @param {number} access
  * @return {number}
  */
-CPUStatePDP11.prototype.getPhysicalAddrByMode = function(mode, reg, accessFlags)
+CPUStatePDP11.prototype.getPhysicalAddrByMode = function(mode, reg, access)
 {
-    return this.getAddrByMode(mode, reg, accessFlags);
+    return this.getAddrByMode(mode, reg, access);
 };
 
 /**
- * getVirtualAddrByMode(mode, reg, accessFlags)
+ * getVirtualAddrByMode(mode, reg, access)
  *
  * This is a handler set up by setMemoryAccess().  All calls should go through getAddr().
  *
  * @this {CPUStatePDP11}
  * @param {number} mode
  * @param {number} reg
- * @param {number} accessFlags
+ * @param {number} access
  * @return {number}
  */
-CPUStatePDP11.prototype.getVirtualAddrByMode = function(mode, reg, accessFlags)
+CPUStatePDP11.prototype.getVirtualAddrByMode = function(mode, reg, access)
 {
-    return this.mapVirtualToPhysical(this.getAddrByMode(mode, reg, accessFlags), accessFlags);
+    return this.mapVirtualToPhysical(this.getAddrByMode(mode, reg, access), access);
 };
 
 /**
@@ -2096,14 +2129,14 @@ CPUStatePDP11.prototype.writeWordToVirtual = function(virtualAddress, data)
 };
 
 /**
- * readWordFromPrevSpace(opCode, accessFlags)
+ * readWordFromPrevSpace(opCode, access)
  *
  * @this {CPUStatePDP11}
  * @param {number} opCode
- * @param {number} accessFlags (really just PDP11.ACCESS.DSPACE or PDP11.ACCESS.ISPACE)
+ * @param {number} access (really just PDP11.ACCESS.DSPACE or PDP11.ACCESS.ISPACE)
  * @return {number}
  */
-CPUStatePDP11.prototype.readWordFromPrevSpace = function(opCode, accessFlags)
+CPUStatePDP11.prototype.readWordFromPrevSpace = function(opCode, access)
 {
     var data;
     var reg = this.dstReg = opCode & PDP11.OPREG.MASK;
@@ -2116,25 +2149,25 @@ CPUStatePDP11.prototype.readWordFromPrevSpace = function(opCode, accessFlags)
         }
     } else {
         var addr = this.getAddrByMode(mode, reg, PDP11.ACCESS.READ_WORD);
-        if (!(accessFlags & PDP11.ACCESS.DSPACE)) {
+        if (!(access & PDP11.ACCESS.DSPACE)) {
             if ((this.regPSW & 0xf000) !== 0xf000) addr &= 0xffff;
         }
         this.mmuMode = (this.regPSW >> 12) & 3;
-        data = this.readWord(addr | (accessFlags & this.addrDSpace));
+        data = this.readWord(addr | (access & this.addrDSpace));
         this.mmuMode = (this.regPSW >> 14) & 3;
     }
     return data;
 };
 
 /**
- * writeWordToPrevSpace(opCode, accessFlags, data)
+ * writeWordToPrevSpace(opCode, access, data)
  *
  * @this {CPUStatePDP11}
  * @param {number} opCode
- * @param {number} accessFlags (really just PDP11.ACCESS.DSPACE or PDP11.ACCESS.ISPACE)
+ * @param {number} access (really just PDP11.ACCESS.DSPACE or PDP11.ACCESS.ISPACE)
  * @param {number} data
  */
-CPUStatePDP11.prototype.writeWordToPrevSpace = function(opCode, accessFlags, data)
+CPUStatePDP11.prototype.writeWordToPrevSpace = function(opCode, access, data)
 {
     this.lastOp = (this.lastOp & 0xffff) | (0x0016 << 16);
     var reg = this.dstReg = opCode & PDP11.OPREG.MASK;
@@ -2147,7 +2180,7 @@ CPUStatePDP11.prototype.writeWordToPrevSpace = function(opCode, accessFlags, dat
         }
     } else {
         var addr = this.getAddrByMode(mode, reg, PDP11.ACCESS.WRITE_WORD);
-        if (!(accessFlags & PDP11.ACCESS.DSPACE)) addr &= 0xffff;
+        if (!(access & PDP11.ACCESS.DSPACE)) addr &= 0xffff;
         /*
          * TODO: Consider replacing the following code with writeWord(), by adding optional mmuMode
          * parameters for each of the discrete mapVirtualToPhysical() and bus.setWord() operations, because
@@ -2155,7 +2188,7 @@ CPUStatePDP11.prototype.writeWordToPrevSpace = function(opCode, accessFlags, dat
          * setMemoryAccess() handlers.
          */
         this.mmuMode = (this.regPSW >> 12) & 3;
-        addr = this.mapVirtualToPhysical(addr | (accessFlags & PDP11.ACCESS.DSPACE), PDP11.ACCESS.WRITE);
+        addr = this.mapVirtualToPhysical(addr | (access & PDP11.ACCESS.DSPACE), PDP11.ACCESS.WRITE);
         this.mmuMode = (this.regPSW >> 14) & 3;
         this.bus.setWord(addr, data);
     }
@@ -2195,7 +2228,7 @@ CPUStatePDP11.prototype.readSrcByte = function(opCode)
  * been decoded and any pre-decrement or post-increment operations affecting the SRC register have
  * been completed.
  *
- * Here's an example from DEC's "TRAP TEST":
+ * Here's an example from DEC's "TRAP TEST" (MAINDEC-11-D0NA-PB):
  *
  *      007200: 012700 006340          MOV   #6340,R0
  *      007204: 010020                 MOV   R0,(R0)+

modules/pdp11/lib/device.js

@@ -69,41 +69,6 @@ function DevicePDP11(parmsDevice)
 
 Component.subclass(DevicePDP11);
 
-DevicePDP11.M9312 = [
-    0x101F, /*0010037*/ 0x01C0, /*0000700*/ 0x105F, /*0010137*/ 0x01C2, /*0000702*/ 0x111F, /*0010437*/ 0x01C4, /*0000704*/ 0x0A1F, /*0005037*/ 0x01C6, /*0000706*/
-    0x55DF, /*0052737*/ 0x8000, /*0100000*/ 0xFFFE, /*0177776*/ 0x35DF, /*0032737*/ 0x4000, /*0040000*/ 0xFFFE, /*0177776*/ 0x0302, /*0001402*/ 0x0A9F, /*0005237*/
-    0x01C6, /*0000706*/ 0x0A1F, /*0005037*/ 0xFFFE, /*0177776*/ 0x0101, /*0000401*/ 0x0000, /*0000000*/ 0x0A06, /*0005006*/ 0x8104, /*0100404*/ 0x8503, /*0102403*/
-    0x8202, /*0101002*/ 0x0501, /*0002401*/ 0x8301, /*0101401*/ 0x0000, /*0000000*/ 0x0AC6, /*0005306*/ 0x8003, /*0100003*/ 0x0302, /*0001402*/ 0x0401, /*0002001*/
-    0x0701, /*0003401*/ 0x0000, /*0000000*/ 0x0C06, /*0006006*/ 0x8402, /*0102002*/ 0x8601, /*0103001*/ 0x0201, /*0001001*/ 0x0000, /*0000000*/ 0x15C6, /*0012706*/
-    0xAAAA, /*0125252*/ 0x1180, /*0010600*/ 0x1001, /*0010001*/ 0x1042, /*0010102*/ 0x1083, /*0010203*/ 0x10C4, /*0010304*/ 0x1105, /*0010405*/ 0xE141, /*0160501*/
-    0x0501, /*0002401*/ 0x0301, /*0001401*/ 0x0000, /*0000000*/ 0x0C42, /*0006102*/ 0x8601, /*0103001*/ 0x0501, /*0002401*/ 0x0000, /*0000000*/ 0x6083, /*0060203*/
-    0x0A83, /*0005203*/ 0x0A43, /*0005103*/ 0x60C1, /*0060301*/ 0x8701, /*0103401*/ 0x0701, /*0003401*/ 0x0000, /*0000000*/ 0x0C04, /*0006004*/ 0x5103, /*0050403*/
-    0x6143, /*0060503*/ 0x0A83, /*0005203*/ 0x8702, /*0103402*/ 0x0AC1, /*0005301*/ 0x0501, /*0002401*/ 0x0000, /*0000000*/ 0x0A40, /*0005100*/ 0x8301, /*0101401*/
-    0x0000, /*0000000*/ 0x4001, /*0040001*/ 0x6041, /*0060101*/ 0x0601, /*0003001*/ 0x0701, /*0003401*/ 0x0000, /*0000000*/ 0x00C1, /*0000301*/ 0x2057, /*0020127*/
-    0x5455, /*0052125*/ 0x0204, /*0001004*/ 0x3105, /*0030405*/ 0x0602, /*0003002*/ 0x0A45, /*0005105*/ 0x0201, /*0001001*/ 0x0000, /*0000000*/ 0x95C0, /*0112700*/
-    0xFF01, /*0177401*/ 0x8001, /*0100001*/ 0x0000, /*0000000*/ 0x7E02, /*0077002*/ 0x0A01, /*0005001*/ 0x0A81, /*0005201*/ 0x7E02, /*0077002*/ 0x0BC0, /*0005700*/
-    0x0202, /*0001002*/ 0x0BC1, /*0005701*/ 0x0301, /*0001401*/ 0x0000, /*0000000*/ 0x15C6, /*0012706*/ 0x01FE, /*0000776*/ 0x09F7, /*0004767*/ 0x0002, /*0000002*/
-    0x0000, /*0000000*/ 0x25CE, /*0022716*/ 0x00D0, /*0000320*/ 0x0301, /*0001401*/ 0x0000, /*0000000*/ 0x15CE, /*0012716*/ 0x00E2, /*0000342*/ 0x0087, /*0000207*/
-    0x0000, /*0000000*/ 0x0A26, /*0005046*/ 0x15E6, /*0012746*/ 0x00EC, /*0000354*/ 0x0002, /*0000002*/ 0x0000, /*0000000*/ 0x005F, /*0000137*/ 0x00F2, /*0000362*/
-    0x0080, /*0000200*/ 0x15C5, /*0012705*/ 0xE000, /*0160000*/ 0x0A1F, /*0005037*/ 0x0006, /*0000006*/ 0x15DF, /*0012737*/ 0x0100, /*0000400*/ 0x0004, /*0000004*/
-    0x15C6, /*0012706*/ 0x01FE, /*0000776*/ 0x0BE5, /*0005745*/ 0x15DF, /*0012737*/ 0x01CC, /*0000714*/ 0x004C, /*0000114*/ 0x0A1F, /*0005037*/ 0x004E, /*0000116*/
-    0x15C3, /*0012703*/ 0xFFE6, /*0177746*/ 0x15CB, /*0012713*/ 0x000C, /*0000014*/ 0x15C2, /*0012702*/ 0x0200, /*0001000*/ 0x1080, /*0010200*/ 0x1008, /*0010010*/
-    0x0BD0, /*0005720*/ 0x2005, /*0020005*/ 0x83FC, /*0101774*/ 0x1080, /*0010200*/ 0x1201, /*0011001*/ 0x2001, /*0020001*/ 0x0301, /*0001401*/ 0x0000, /*0000000*/
-    0x0A50, /*0005120*/ 0x2005, /*0020005*/ 0x83F9, /*0101771*/ 0x1801, /*0014001*/ 0x0A41, /*0005101*/ 0x2001, /*0020001*/ 0x0301, /*0001401*/ 0x0000, /*0000000*/
-    0x2002, /*0020002*/ 0x02F9, /*0001371*/ 0x0A0E, /*0005016*/ 0x15C4, /*0012704*/ 0xAAAA, /*0125252*/ 0x15CB, /*0012713*/ 0x0018, /*0000030*/ 0x15C0, /*0012700*/
-    0x0800, /*0004000*/ 0x15C2, /*0012702*/ 0x0200, /*0001000*/ 0x0A44, /*0005104*/ 0x1108, /*0010410*/ 0x0A48, /*0005110*/ 0x0A48, /*0005110*/ 0x2204, /*0021004*/
-    0x0301, /*0001401*/ 0x0000, /*0000000*/ 0x0C1F, /*0006037*/ 0xFFEA, /*0177752*/ 0x8702, /*0103402*/ 0x0000, /*0000000*/ 0x0131, /*0000461*/ 0x8A4E, /*0105116*/
-    0x02F2, /*0001362*/ 0x0102, /*0000402*/ 0x0077, /*0000167*/ 0xFE88, /*0177210*/ 0x0BD0, /*0005720*/ 0x7E93, /*0077223*/ 0x15CB, /*0012713*/ 0x0024, /*0000044*/
-    0x15C0, /*0012700*/ 0x0C00, /*0006000*/ 0x8A76, /*0105166*/ 0x0001, /*0000001*/ 0x02E4, /*0001344*/ 0x15C2, /*0012702*/ 0x0200, /*0001000*/ 0x1080, /*0010200*/
-    0x1008, /*0010010*/ 0x0BD0, /*0005720*/ 0x2005, /*0020005*/ 0x83FC, /*0101774*/ 0x15C1, /*0012701*/ 0x0003, /*0000003*/ 0x0A0E, /*0005016*/ 0x0BDF, /*0005737*/
-    0x01C6, /*0000706*/ 0x0210, /*0001020*/ 0x15CE, /*0012716*/ 0x0018, /*0000030*/ 0x1080, /*0010200*/ 0x0A48, /*0005110*/ 0x0A48, /*0005110*/ 0x2008, /*0020010*/
-    0x0301, /*0001401*/ 0x0000, /*0000000*/ 0x0BD0, /*0005720*/ 0x0C1F, /*0006037*/ 0xFFEA, /*0177752*/ 0x8702, /*0103402*/ 0x0000, /*0000000*/ 0x0108, /*0000410*/
-    0x2005, /*0020005*/ 0x83F3, /*0101763*/ 0x138B, /*0011613*/ 0x0A0E, /*0005016*/ 0x7E51, /*0077121*/ 0x0104, /*0000404*/ 0x0000, /*0000000*/ 0x0102, /*0000402*/
-    0x15CB, /*0012713*/ 0x000C, /*0000014*/ 0x17C0, /*0013700*/ 0x01C0, /*0000700*/ 0x17C1, /*0013701*/ 0x01C2, /*0000702*/ 0x17C4, /*0013704*/ 0x01C4, /*0000704*/
-    0x0074, /*0000164*/ 0x0002, /*0000002*/ 0x17C4, /*0013704*/ 0xFF78, /*0177570*/ 0x45C4, /*0042704*/ 0xFE00, /*0177000*/ 0x55C4, /*0052704*/ 0xF600, /*0173000*/
-    0x97C0, /*0113700*/ 0xFF79, /*0177571*/ 0x0C80, /*0006200*/ 0x00A1, /*0000241*/ 0x004C, /*0000114*/ 0x0000, /*0000000*/ 0x4230, /*0041060*/ 0x2A2D  /*0025055*/
-];
-
 /**
  * initBus(cmp, bus, cpu, dbg)
  *

modules/pdp11/lib/messages.js

@@ -46,7 +46,8 @@ var MessagesPDP11 = {
     KEYS:       0x00020000,
     PAPER:      0x00100000,
     DISK:       0x00400000,
-    SERIAL:     0x00800000,
+    RL11:       0x00800000,
+    SERIAL:     0x01000000,
     SPEAKER:    0x02000000,
     COMPUTER:   0x04000000,
     LOG:        0x10000000,
@@ -83,6 +84,7 @@ MessagesPDP11.CATEGORIES = {
     "key":      MessagesPDP11.KEYS,     // using "key" instead of "keys", since the latter is a method on JavasScript objects
     "paper":    MessagesPDP11.PAPER,
     "disk":     MessagesPDP11.DISK,
+    "rl11":     MessagesPDP11.RL11,
     "serial":   MessagesPDP11.SERIAL,
     "speaker":  MessagesPDP11.SPEAKER,
     "computer": MessagesPDP11.COMPUTER,

modules/pdp11/lib/ram.js

@@ -308,11 +308,11 @@ RAMPDP11.prototype.loadImage = function(aBytes, addrLoad, addrExec, addrInit, fR
             }
             var offBlock = off;
             if (w != 0x0001) {
-                if (MAXDEBUG) this.println("invalid signature (" + str.toHexWord(w) + ") at offset " + str.toHexWord(offBlock));
+                this.printMessage("invalid signature (" + str.toHexWord(w) + ") at offset " + str.toHexWord(offBlock), MessagesPDP11.PAPER);
                 break;
             }
             if (off + 6 >= aBytes.length) {
-                if (MAXDEBUG) this.println("invalid block at offset " + str.toHexWord(offBlock));
+                this.printMessage("invalid block at offset " + str.toHexWord(offBlock), MessagesPDP11.PAPER);
                 break;
             }
             off += 2;
@@ -326,12 +326,12 @@ RAMPDP11.prototype.loadImage = function(aBytes, addrLoad, addrExec, addrInit, fR
                 len--;
             }
             if (len != 0 || off >= aBytes.length) {
-                if (MAXDEBUG) this.println("insufficient data for block at offset " + str.toHexWord(offBlock));
+                this.printMessage("insufficient data for block at offset " + str.toHexWord(offBlock), MessagesPDP11.PAPER);
                 break;
             }
             checksum += aBytes[off++] & 0xff;
             if (checksum & 0xff) {
-                if (MAXDEBUG) this.println("invalid checksum (" + str.toHexByte(checksum) + ") for block at offset " + str.toHexWord(offBlock));
+                this.printMessage("invalid checksum (" + str.toHexByte(checksum) + ") for block at offset " + str.toHexWord(offBlock), MessagesPDP11.PAPER);
                 break;
             }
             if (!cbData) {

modules/pdp11/lib/rl11.js

@@ -52,7 +52,7 @@ if (NODE) {
  */
 function RL11(parms)
 {
-    Component.call(this, "RL11", parms, RL11, MessagesPDP11.DISK);
+    Component.call(this, "RL11", parms, RL11, MessagesPDP11.RL11);
 
     /*
      * We record any 'autoMount' object now, but we no longer parse it until initBus(),
@@ -963,6 +963,8 @@ RL11.prototype.processCommand = function()
     }
 };
 
+
+
 /**
  * endReadWrite(err, iCylinder, iHead, iSector, nWords, addr)
  *
@@ -1027,7 +1029,7 @@ RL11.prototype.readData = function(drive, iCylinder, iHead, iSector, nWords, add
             err = PDP11.RL11.ERRC.HNF;
             break;
         }
-        var data = this.bus.setWord(addr, b0 | (b1 << 8));
+        var data = this.bus.setWordDirect(addr, b0 | (b1 << 8));
         if (this.bus.checkFault()) {
             err = PDP11.RL11.ERRC.NXM;
             break;
@@ -1075,7 +1077,7 @@ RL11.prototype.writeData = function(drive, iCylinder, iHead, iSector, nWords, ad
     }
 
     while (nWords--) {
-        var data = this.bus.getWord(addr);
+        var data = this.bus.getWordDirect(addr);
         if (this.bus.checkFault()) {
             err = PDP11.RL11.ERRC.NXM;
             break;

versions/pdpjs/1.30.3/pdp11-dbg.js

@@ -31,300 +31,300 @@
  http://pcjs.org/modules/pdp11/lib/computer.js (C) Jeff Parsons 2012-2016
  http://pcjs.org/modules/shared/lib/state.js (C) Jeff Parsons 2012-2016
 */
-for(var k,aa="function"==typeof Object.defineProperties?Object.defineProperty:function(a,b,c){if(c.get||c.set)throw new TypeError("ES3 does not support getters and setters.");a!=Array.prototype&&a!=Object.prototype&&(a[b]=c.value)},ca="undefined"!=typeof window&&window===this?this:"undefined"!=typeof global?global:this,da=["Math","log2"],ea=0;ea<da.length-1;ea++){var fa=da[ea];fa in ca||(ca[fa]={});ca=ca[fa]}var ga=da[da.length-1],ia=ca[ga],ja=ia?ia:function(a){return Math.log(a)/Math.LN2};
+for(var k,aa="function"==typeof Object.defineProperties?Object.defineProperty:function(a,b,c){if(c.get||c.set)throw new TypeError("ES3 does not support getters and setters.");a!=Array.prototype&&a!=Object.prototype&&(a[b]=c.value)},ba="undefined"!=typeof window&&window===this?this:"undefined"!=typeof global?global:this,da=["Math","log2"],ea=0;ea<da.length-1;ea++){var fa=da[ea];fa in ba||(ba[fa]={});ba=ba[fa]}var ga=da[da.length-1],ha=ba[ga],ja=ha?ha:function(a){return Math.log(a)/Math.LN2};
-ja!=ia&&null!=ja&&aa(ca,ga,{configurable:!0,writable:!0,value:ja});var ka={163840:[40,1,8,,254],184320:[40,1,9,,252],327680:[40,2,8,,255],368640:[40,2,9,,253],737280:[80,2,9,,249],1228800:[80,2,15,,249],1474560:[80,2,18,,240],2949120:[80,2,36,,240],21368320:[615,4,17],5242880:[256,2,40,256],10485760:[512,2,40,256]};
+ja!=ha&&null!=ja&&aa(ba,ga,{configurable:!0,writable:!0,value:ja});var ka={163840:[40,1,8,,254],184320:[40,1,9,,252],327680:[40,2,8,,255],368640:[40,2,9,,253],737280:[80,2,9,,249],1228800:[80,2,15,,249],1474560:[80,2,18,,240],2949120:[80,2,36,,240],21368320:[615,4,17],5242880:[256,2,40,256],10485760:[512,2,40,256]};
-function ma(a,b){var c;if(a){b||(b=10);var d=a.charAt(0),e=0<a.indexOf(",");e&&(a=a.replace(/,/g,""));"#"==d?(b=8,d=null):"$"==d&&(b=16,d=null);null==d?a=a.substr(1):("0"==d&&(d=a.charAt(1),"b"==d&&e&&(b=2,d=null),"o"==d?(b=8,d=null):"x"==d&&(b=16,d=null)),null==d?a=a.substr(2):(d=a.charAt(a.length-1).toLowerCase(),"y"==d?(b=2,d=null):"."==d?(b=10,d=null):"h"==d&&(b=16,d=null),null==d&&(a=a.substr(0,a.length-1))));var f,d=a;((e=b)&&10!=e?16==e?d.match(/^[0-9a-f]+$/i):8==e?d.match(/^[0-7]+$/):2==e&&
+function la(a,b){var c;if(a){b||(b=10);var d=a.charAt(0),e=0<a.indexOf(",");e&&(a=a.replace(/,/g,""));"#"==d?(b=8,d=null):"$"==d&&(b=16,d=null);null==d?a=a.substr(1):("0"==d&&(d=a.charAt(1),"b"==d&&e&&(b=2,d=null),"o"==d?(b=8,d=null):"x"==d&&(b=16,d=null)),null==d?a=a.substr(2):(d=a.charAt(a.length-1).toLowerCase(),"y"==d?(b=2,d=null):"."==d?(b=10,d=null):"h"==d&&(b=16,d=null),null==d&&(a=a.substr(0,a.length-1))));var f,d=a;((e=b)&&10!=e?16==e?d.match(/^[0-9a-f]+$/i):8==e?d.match(/^[0-7]+$/):2==e&&
-d.match(/^[01]+$/):d.match(/^[0-9]+$/))&&!isNaN(f=parseInt(a,b))&&(c=f|0)}return c}function na(a,b,c){var d="";b?11<b&&(b=11):b=a&-65536?11:6;if(null==a||isNaN(a))for(;0<b--;)d="?"+d;else for(;0<b--;)d=String.fromCharCode((a&7)+48)+d,a>>=3;return(c?"0o":"")+d}function p(a,b,c){var d="";b?8<b&&(b=8):b=a&-65536?8:4;if(null==a||isNaN(a))for(;0<b--;)d="?"+d;else for(;0<b--;){var e=a&15,e=e+(0<=e&&9>=e?48:55),d=String.fromCharCode(e)+d;a>>=4}return(c?"0x":"")+d}
+d.match(/^[01]+$/):d.match(/^[0-9]+$/))&&!isNaN(f=parseInt(a,b))&&(c=f|0)}return c}function na(a,b,c){var d="";b?11<b&&(b=11):b=a&-65536?11:6;if(null==a||isNaN(a))for(;0<b--;)d="?"+d;else for(;0<b--;)d=String.fromCharCode((a&7)+48)+d,a>>=3;return(c?"0o":"")+d}function p(a,b,c){var d="";b?8<b&&(b=8):b=a&-65536?8:4;if(null==a||isNaN(a))for(;0<b--;)d="?"+d;else for(;0<b--;){var e=a&15,e=e+(0<=e&&9>=e?48:55),d=String.fromCharCode(e)+d;a>>=4}return(c?"0x":"")+d}function q(a){return p(a,4,!0)}
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-b+" changes applied)";b=-1;break}if(this.g){c="unable to modify write-protected disk";b=-1;break}e=g[f++];f=g[f++];g=e+f.length;if(h=this.b[h][l][m]){for(l=h.data.length;l<e;)h.data[l++]=h.pattern;l=0;h.Sa=e;for(h.Fa=f.length;e<g;)h.data[e++]=f[l++];b++}}}0>b&&-2!=b&&this.controller.R("Unable to restore disk '"+this.$a+": "+c);return b};
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-function Oh(a,b){var c=0;b||(b=[]);a.fa=b[c++]||0;a.I=b[c++]||0;a.g=b[c++]||0;a.B=b[c++]||0;a.D=b[c++]||0;a.K=b[c]||0;for(b=0;b<a.f.length;b++){var d=a.f[b];void 0===d&&(d=a.f[b]={});c=a;d.kc=b;d.ic=d.Vb=!1;d.name=c.ab;d.ya=512;d.Da=2;d.ta=40;d.Pa=256;d.jc=!0;d.Ye=0;d.Xe=0;d.rc=1;d.Sc=d.ta;d.Ec=d.Pa;d.af=0;d.cf=null;d.Ga||(d.hb="");d.status=29|(512==d.ya?128:0)}return!0}
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+function Z(a,b){var c="",d=a.b;if(8>b)c=si(b),c+="="+K(a,d.u[b]);else if(13>b)c="A"+(b-8)+"="+K(a,d.$a[b-8]);else if(16<=b&&20>b)c="S"+(b-16)+"="+K(a,d.La[b-16]);else switch(b){case 20:c="PS="+K(a,bd(d));break;case 21:c="IR="+K(a,d.Rb);break;case 22:c="ER="+K(a,d.va);break;case 23:c="SL="+K(a,d.hb);break;case 24:c="MMR0="+K(a,Wc(d));break;case 25:c="MMR1="+K(a,Yc(d));break;case 26:c="MMR2="+K(a,Zc(d));break;case 27:c="MMR3="+K(a,d.Ta);break;case 28:a.w&&(c="AR="+K(a,a.w.ua,3));break;case 29:a.w&&
-(c="DR="+J(a,a.w.rb));break;case 30:a.w&&mc(a.w)&&(c="SR="+J(a,a.w.Ya,3))}c&&(c+=" ");return c}function Di(a,b){var c,d="";for(c=0;6>c;c++)d+=Z(a,c);d=d+"\n"+(Z(a,6)+Z(a,7));d+=Z(a,20)+Z(a,21)+Z(a,23);d+=Ci(a,"T")+Ci(a,"N")+Ci(a,"Z")+Ci(a,"V")+Ci(a,"C");b&&(b=d,c=""+(Z(a,24)+Z(a,25)),c+=Z(a,26)+Z(a,27)+Z(a,22),c=c+"\n"+(Z(a,30)+Z(a,28)+Z(a,29)),d=b+("\n"+c));return d}k.sc=function(a,b){return a[0]>b[0]?1:a[0]<b[0]?-1:0};
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+function fh(a,b,c,d,e){var f=[],g;for(g in e){var h=e[g];"number"==typeof h&&(e[g]=h={o:h});var l=h.o,m=h.a;if(void 0!==l){var n=f,l=[l>>>0,g],r=Aa(n,l,a.tc);0>r&&n.splice(-(r+1),0,l)}m&&(h.a=m.replace(/''/g,'"'))}a.I.push({ef:b,F:c,bd:d,ga:e,rc:f})}function Ei(a,b,c){var d=[],e=a.aa(b)>>>0;for(b=0;b<a.I.length;b++){var f=a.I[b],g=f.F>>>0,h=f.bd;if(e>=g&&e<g+h){e=Aa(f.rc,[e-g],a.tc);0<=e?Fi(a,b,e,d):c&&(e=~e,Fi(a,b,e-1,d),Fi(a,b,e,d));break}}return d}
-function Fi(a,b,c,d){var e={},f=a.I[b].qc,g=0,h=null;0<=c&&c<f.length&&(g=f[c][0],h=f[c][1]);h&&(e=a.I[b].ga[h],h="."==h.charAt(0)?null:e.l||h);d.push(h);d.push(g);d.push(e.a);d.push(e.c)}function Gi(a,b){var c=b.match(/^\s*([A-Z_]?[A-Z0-9_]*)\s*(=?)\s*(.*)$/i);if(c){if(!c[1])return ci(a)||a.i("no variables"),!0;if(!c[2])return ci(a,c[1]);if(!c[3])return delete a.X[c[1]],!0;b=Zh(a,c[3]);return void 0!==b?(a.X[c[1]]=b,!0):!1}a.i("invalid assignment:"+b);return!1}
+function Fi(a,b,c,d){var e={},f=a.I[b].rc,g=0,h=null;0<=c&&c<f.length&&(g=f[c][0],h=f[c][1]);h&&(e=a.I[b].ga[h],h="."==h.charAt(0)?null:e.l||h);d.push(h);d.push(g);d.push(e.a);d.push(e.c)}function Gi(a,b){var c=b.match(/^\s*([A-Z_]?[A-Z0-9_]*)\s*(=?)\s*(.*)$/i);if(c){if(!c[1])return ci(a)||a.i("no variables"),!0;if(!c[2])return ci(a,c[1]);if(!c[3])return delete a.X[c[1]],!0;b=Zh(a,c[3]);return void 0!==b?(a.X[c[1]]=b,!0):!1}a.i("invalid assignment:"+b);return!1}
-function Hi(a,b,c){var d=null;if(b=ni(a,b,!0)){a.aa(b);var e=Ei(a,b,!0);if(e.length){var f,g;e[0]&&(g="",(f=b.F-e[1])&&(g=" + "+p(f,4,!0)),f=e[0]+" ("+J(a,e[1])+")"+g,c&&a.i(f),d=f);4<e.length&&e[4]&&(g="",(f=e[5]-b.F)&&(g=" - "+p(f,4,!0)),f=e[4]+" ("+J(a,e[5])+")"+g,c&&a.i(f),d||(d=f))}else c&&a.i("no symbols")}return d}
+function Hi(a,b,c){var d=null;if(b=ni(a,b,!0)){a.aa(b);var e=Ei(a,b,!0);if(e.length){var f,g;e[0]&&(g="",(f=b.F-e[1])&&(g=" + "+q(f)),f=e[0]+" ("+K(a,e[1])+")"+g,c&&a.i(f),d=f);4<e.length&&e[4]&&(g="",(f=e[5]-b.F)&&(g=" - "+q(f)),f=e[4]+" ("+K(a,e[5])+")"+g,c&&a.i(f),d||(d=f))}else c&&a.i("no symbols")}return d}
-function ui(a,b){var c;if(b&&"?"==b[1])a.i("register commands:"),a.i("\tr\tdump registers"),a.i("\trm\tdump misc registers"),a.i("\trx [#]\tset flag or register x to [#]");else{var d=!1,e=a.b;null==c&&(c=!0);if(b&&1<b.length){var f=b[1];if("m"==f)d=!0;else{var g=f.indexOf("=");if(0<g)b=f.substr(g+1),f=f.substr(0,g);else if(2<b.length)b=b[2];else{a.i("missing value for "+b[1]);return}g=Zh(a,b);if(void 0===g)return;b=f.toUpperCase();switch(b){case "SP":case "R6":e.u[6]=g&65535;break;case "PC":case "R7":Q(e,
+function ui(a,b){var c;if(b&&"?"==b[1])a.i("register commands:"),a.i("\tr\tdump registers"),a.i("\trm\tdump misc registers"),a.i("\trx [#]\tset flag or register x to [#]");else{var d=!1,e=a.b;null==c&&(c=!0);if(b&&1<b.length){var f=b[1];if("m"==f)d=!0;else{var g=f.indexOf("=");if(0<g)b=f.substr(g+1),f=f.substr(0,g);else if(2<b.length)b=b[2];else{a.i("missing value for "+b[1]);return}g=Zh(a,b);if(void 0===g)return;b=f.toUpperCase();switch(b){case "SP":case "R6":e.u[6]=g&65535;break;case "PC":case "R7":R(e,
-g);a.L=Y(e.u[7]);break;case "N":e.Z=g?32768:0;break;case "Z":e.$=g?0:1;break;case "V":e.V=g?32768:0;break;case "C":e.U=g?65536:0;break;case "PS":cd(e,g);break;case "IR":ad(e,g);break;case "ER":e.oa=g;d=!0;break;case "SL":e.sb=g|255;break;case "MMR0":Xc(e,g);d=!0;break;case "MMR3":$c(e,g);d=!0;break;case "AR":a.w&&(d=a.w,jc(d,d.va=g));d=!0;break;case "DR":a.w&&(d=a.w,ic(d,d.rb=g));d=!0;break;case "SR":if(a.w&&mc(a.w)){kc(a.w,g);d=!0;break}default:if("R"==b.charAt(0)&&(b=+b.charAt(1),0<=b&&6>b)){e.u[b]=
+g);a.L=Y(e.u[7]);break;case "N":e.Z=g?32768:0;break;case "Z":e.$=g?0:1;break;case "V":e.V=g?32768:0;break;case "C":e.U=g?65536:0;break;case "PS":cd(e,g);break;case "IR":ad(e,g);break;case "ER":e.va=g;d=!0;break;case "SL":e.hb=g|255;break;case "MMR0":Xc(e,g);d=!0;break;case "MMR3":$c(e,g);d=!0;break;case "AR":a.w&&(d=a.w,jc(d,d.ua=g));d=!0;break;case "DR":a.w&&(d=a.w,ic(d,d.sb=g));d=!0;break;case "SR":if(a.w&&mc(a.w)){kc(a.w,g);d=!0;break}default:if("R"==b.charAt(0)&&(b=+b.charAt(1),0<=b&&6>b)){e.u[b]=
-g&65535;break}a.i("unknown register: "+f);return}a.C.sa();a.i("updated registers:")}}a.i(Di(a,d));c&&(a.L=Y(e.u[7]),vi(a,J(a,a.L.F)))}}function Ii(a,b){b=ya(b);var c=b.match(/^(['"])(.*?)\1$/);c?1<c[2].length?a.i(c[2]):bi(a,null,c[2].charCodeAt(0)):Zh(a,b,!0)}
+g&65535;break}a.i("unknown register: "+f);return}a.C.ra();a.i("updated registers:")}}a.i(Di(a,d));c&&(a.L=Y(e.u[7]),vi(a,K(a,a.L.F)))}}function Ii(a,b){b=ya(b);var c=b.match(/^(['"])(.*?)\1$/);c?1<c[2].length?a.i(c[2]):bi(a,null,c[2].charCodeAt(0)):Zh(a,b,!0)}
-function Ji(a,b,c){if("?"==c)a.i("trace commands:"),a.i("\tt  [#]\ttrace # instructions"),a.i("\ttr [#]\ttrace # instructions with register updates"),a.i("\ttc [#]\ttrace # cycles"),a.i("note: bn [#] breaks after # instructions without updates");else{var d="t"!=b;c=ai(a,c,null,!0)||1;var e=1==c?0:1;"tc"==b&&(e=c,c=1);a.yb=b;Ta(c,function(){return vb(a,!0)&&a.kb(e,d,!1)},function(){a.w&&a.w.stop&&a.w.stop();a.C.sa(-1);vb(a,!1)})}}
+function Ji(a,b,c){if("?"==c)a.i("trace commands:"),a.i("\tt  [#]\ttrace # instructions"),a.i("\ttr [#]\ttrace # instructions with register updates"),a.i("\ttc [#]\ttrace # cycles"),a.i("note: bn [#] breaks after # instructions without updates");else{var d="t"!=b;c=ai(a,c,null,!0)||1;var e=1==c?0:1;"tc"==b&&(e=c,c=1);a.zb=b;Oa(c,function(){return vb(a,!0)&&a.kb(e,d,!1)},function(){a.w&&a.w.stop&&a.w.stop();a.C.ra(-1);vb(a,!1)})}}
 function vi(a,b,c,d){if(b=ni(a,b,!0)){void 0===d&&(d=1);var e=256;if(void 0!==c)if("l"==c.charAt(0))c=ai(a,c.substr(1)),null!=c&&(d=c);else{d=ni(a,c,!0);if(!d||d.F<b.F)return;e=d.F-b.F;if(256<e){a.i("range too large");return}d=-1}c=0;for(var f;0<e&&d--;){f=wb(a,!1)||a.O?a.K:null;var g=null!=f?"cycles":null,h=Ei(a,b),l=b.F;if(h[0]&&d&&(!c&&d||0>h[0].indexOf("+"))){var m=h[0]+":";h[2]&&(m+=" "+h[2]);a.i(m)}h[3]&&(g=h[3],f=null);f=Bi(a,b,g,f);a.i(f);a.L=b;e-=b.F-l;c++}}}
-function Ai(a,b,c){var d=!0;try{b.length&&"end"!=b?c||a.i(">> "+b):(a.T&&(a.i("ended assemble at "+J(a,a.S.F)),a.L=a.S,a.T=!1),b="");var e=b.charAt(0);if('"'==e||"'"==e)return!0;a.ja=null;if(xb(a)&&0<b.length){a.T&&(b="a "+J(a,a.S.F)+" "+b);var f=!1,g=b.replace(/ +/g," ").split(" ");g[0]=g[0].toLowerCase();if(g&&g.length)for(var h=g[0],l=h.charAt(0),m=1;m<h.length;m++){var n=h.charAt(m);if("?"==l||"r"==l||"a">n||"z"<n){g[0]=h.substr(m);g.unshift(h.substr(0,m));break}}switch(g[0].charAt(0)){case "a":var v=
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-P):"r"==la?a.ob(a.M,P):"w"==la?a.ob(a.D,P):a.i("unknown breakpoint command: "+la))}}}break;case "c":a.Va&&(a.Va.value="");break;case "d":a:{var kb,Oa=g[0],oa=g[1],Pa=g[2],bj=g[3];if("?"==oa){var lb="";for(kb in Cb)a.Ma[kb]&&(lb&&(lb+=","),lb+=kb);lb+=",state,symbols";a.i("dump memory commands:");a.i("\tdb [a] [#]    dump # bytes at address a");a.i("\tdw [a] [#]    dump # words at address a");a.i("\tdd [a] [#]    dump # dwords at address a");a.i("\tdh [#] [#]    dump # instructions from history");
+P):"r"==ma?a.ob(a.M,P):"w"==ma?a.ob(a.D,P):a.i("unknown breakpoint command: "+ma))}}}break;case "c":a.Wa&&(a.Wa.value="");break;case "d":a:{var lb,Pa=g[0],pa=g[1],Qa=g[2],bj=g[3];if("?"==pa){var mb="";for(lb in Cb)a.Ma[lb]&&(mb&&(mb+=","),mb+=lb);mb+=",state,symbols";a.i("dump memory commands:");a.i("\tdb [a] [#]    dump # bytes at address a");a.i("\tdw [a] [#]    dump # words at address a");a.i("\tdd [a] [#]    dump # dwords at address a");a.i("\tdh [#] [#]    dump # instructions from history");
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-Oa;if("dh"==Oa){var Qg=oa,Rg=Pa,Sg="",Tg=0,ha=a.ba,pa=a.H;if(pa.length){var ba=+Qg||a.pb,Vb=+Rg||10;isNaN(ba)?ba=Vb:Sg="more ";ba>pa.length&&(a.i("note: only "+pa.length+" available"),ba=pa.length);ha-=ba;0>ha&&(null==pa[pa.length-1].F?(ba=ha+ba,ha=0):ha+=pa.length);var Ud=[];"call"==Rg&&(Vb=1E5,Ud=["CALL"]);for(void 0!==Qg&&a.i(ba+" instructions earlier:");0<Vb&&ha!=a.ba;){var Ug=pa[ha++];if(null==Ug.F)break;var Wb=Y(Ug.F),cj=ba--,Vg=Bi(a,Wb,"history",cj);(!Ud.length||0<=Vg.indexOf(Ud[0]))&&a.i(Vg);
+Pa;if("dh"==Pa){var Qg=pa,Rg=Qa,Sg="",Tg=0,ia=a.ba,qa=a.H;if(qa.length){var ca=+Qg||a.pb,Wb=+Rg||10;isNaN(ca)?ca=Wb:Sg="more ";ca>qa.length&&(a.i("note: only "+qa.length+" available"),ca=qa.length);ia-=ca;0>ia&&(null==qa[qa.length-1].F?(ca=ia+ca,ia=0):ia+=qa.length);var Ud=[];"call"==Rg&&(Wb=1E5,Ud=["CALL"]);for(void 0!==Qg&&a.i(ca+" instructions earlier:");0<Wb&&ia!=a.ba;){var Ug=qa[ia++];if(null==Ug.F)break;var Xb=Y(Ug.F),cj=ca--,Vg=Bi(a,Xb,"history",cj);(!Ud.length||0<=Vg.indexOf(Ud[0]))&&a.i(Vg);
-Wb.fc&&(ha+=Wb.fc,Vb-=Wb.fc,ba-=Wb.fc);ha>=pa.length&&(ha=0);a.pb=ba;Tg++;Vb--}}Tg||(a.i("no "+Sg+"history available"),a.pb=void 0)}else{var nb=ni(a,oa);if(nb){var Xb=0,Vd=!1,Wd="ds"==Oa;Pa&&(Vd=!0,"l"==Pa.charAt(0)&&(Vd=!1,Pa=Pa.substr(1)||bj),Xb=ai(a,Pa)>>>0,65536<Xb&&(Xb=65536));for(var ob="dd"==Oa?4:"db"==Oa?1:2,Lc=(Vd?Xb-nb.F:ob*Xb)||128,Xd=Wd?16:a.ca,dj=(Lc+Xd-1)/Xd|0||1,Qa="";dj--&&0<Lc;){for(var Ra="",Yd="",oa=J(a,nb.F),Mc=Xd,Yb=0,Zb=0;0<Mc&&0<Lc;){var pb=1,Nc=1==ob?a.Yb(nb,pb):a.ma(nb,pb=
+Xb.fc&&(ia+=Xb.fc,Wb-=Xb.fc,ca-=Xb.fc);ia>=qa.length&&(ia=0);a.pb=ca;Tg++;Wb--}}Tg||(a.i("no "+Sg+"history available"),a.pb=void 0)}else{var ob=ni(a,pa);if(ob){var Yb=0,Vd=!1,Wd="ds"==Pa;Qa&&(Vd=!0,"l"==Qa.charAt(0)&&(Vd=!1,Qa=Qa.substr(1)||bj),Yb=ai(a,Qa)>>>0,65536<Yb&&(Yb=65536));for(var pb="dd"==Pa?4:"db"==Pa?1:2,Mc=(Vd?Yb-ob.F:pb*Yb)||128,Xd=Wd?16:a.ca,dj=(Mc+Xd-1)/Xd|0||1,Ra="";dj--&&0<Mc;){for(var Sa="",Yd="",pa=K(a,ob.F),Nc=Xd,Zb=0,$b=0;0<Nc&&0<Mc;){var qb=1,Oc=1==pb?a.Yb(ob,qb):a.oa(ob,qb=
-2),Yb=Yb|Nc<<(Zb<<3),Zb=Zb+pb;Zb==ob&&(Wd?(Ra&&(Ra+=","),Ra+="0x"+p(Yb,2*ob)):(Ra+=J(a,Yb,ob),Ra+=1==ob?9==Mc?"-":" ":"  "),Yb=Zb=0);Mc-=pb;for(Lc-=pb;pb--;)var Zd=Nc&255,Yd=Yd+(32<=Zd&&128>Zd?String.fromCharCode(Zd):"."),Nc=Nc>>8}Qa&&(Qa+="\n");Qa=Wd?Qa+(Ra+","):Qa+(oa+"  "+Ra+(0==Mc?" "+Yd:""))}Qa&&a.i(Qa);a.mb=nb}}}}break;case "e":if("else"==g[0])break;var qb,$d,ae,be,ce=g[0],de=g[1];"eb"==ce?(qb=1,$d=255,ae=a.Yb,be=a.Eb):"e"==ce||"ew"==ce?(qb=2,$d=65535,ae=a.ma,be=a.ib):de=null;if(null==de)a.i("edit memory commands:"),
+2),Zb=Zb|Oc<<($b<<3),$b=$b+qb;$b==pb&&(Wd?(Sa&&(Sa+=","),Sa+="0x"+p(Zb,2*pb)):(Sa+=K(a,Zb,pb),Sa+=1==pb?9==Nc?"-":" ":"  "),Zb=$b=0);Nc-=qb;for(Mc-=qb;qb--;)var Zd=Oc&255,Yd=Yd+(32<=Zd&&128>Zd?String.fromCharCode(Zd):"."),Oc=Oc>>8}Ra&&(Ra+="\n");Ra=Wd?Ra+(Sa+","):Ra+(pa+"  "+Sa+(0==Nc?" "+Yd:""))}Ra&&a.i(Ra);a.mb=ob}}}}break;case "e":if("else"==g[0])break;var rb,$d,ae,be,ce=g[0],de=g[1];"eb"==ce?(rb=1,$d=255,ae=a.Yb,be=a.Fb):"e"==ce||"ew"==ce?(rb=2,$d=65535,ae=a.oa,be=a.vb):de=null;if(null==de)a.i("edit memory commands:"),
-a.i("\teb [a] [...]  edit bytes at address a"),a.i("\tew [a] [...]  edit words at address a");else{var Oc=ni(a,de);if(Oc)for(var Pc=2;Pc<g.length;Pc++){var $b=Zh(a,g[Pc]);if(void 0===$b){a.i("unrecognized value: "+g[Pc]);break}$b&~$d&&a.i("warning: "+p($b)+" exceeds "+qb+"-byte value");a.i("changing "+J(a,Oc.F)+(F(a,64)?"":" from "+J(a,ae.call(a,Oc),qb))+" to "+J(a,$b,qb));be.call(a,Oc,$b,qb)}}break;case "g":a:{var Wg=g[1],ej=b;if(void 0!==Wg){var ee=ni(a,Wg,!0);if(!ee)break a;ri(a,ee,ej);a.ob(a.f,
+a.i("\teb [a] [...]  edit bytes at address a"),a.i("\tew [a] [...]  edit words at address a");else{var Pc=ni(a,de);if(Pc)for(var Qc=2;Qc<g.length;Qc++){var ac=Zh(a,g[Qc]);if(void 0===ac){a.i("unrecognized value: "+g[Qc]);break}ac&~$d&&a.i("warning: "+p(ac)+" exceeds "+rb+"-byte value");a.i("changing "+K(a,Pc.F)+(H(a,64)?"":" from "+K(a,ae.call(a,Pc),rb))+" to "+K(a,ac,rb));be.call(a,Pc,ac,rb)}}break;case "g":a:{var Wg=g[1],ej=b;if(void 0!==Wg){var ee=ni(a,Wg,!0);if(!ee)break a;ri(a,ee,ej);a.ob(a.f,
-ee,!0)}a.jb(!0,c)}break;case "h":a.A.W?(c||a.i("halting"),a.da()):wb(a,!0)||c||a.i("already halted");break;case "i":if("if"==g[0]){var fe;var ac=b.substr(2),ac=ya(ac);Zh(a,ac)?(c||a.i("true: "+ac),fe=!0):(c||a.i("false: "+ac),fe=!1);fe||(d=!1);break}f=!0;break;case "k":var fj=g[0];if("?"==g[1])a.i("stack trace commands:"),a.i("\tk\tshow frame addresses"),a.i("\tks\tshow symbol information");else{var ge=0,he=Y(),bc=Y(a.b.u[6]);for(a.i("stack trace for "+J(a,bc.F));10>ge;){for(var Sa=null,gj=256;65536>
+ee,!0)}a.jb(!0,c)}break;case "h":a.A.W?(c||a.i("halting"),a.da()):wb(a,!0)||c||a.i("already halted");break;case "i":if("if"==g[0]){var fe;var bc=b.substr(2),bc=ya(bc);Zh(a,bc)?(c||a.i("true: "+bc),fe=!0):(c||a.i("false: "+bc),fe=!1);fe||(d=!1);break}f=!0;break;case "k":var fj=g[0];if("?"==g[1])a.i("stack trace commands:"),a.i("\tk\tshow frame addresses"),a.i("\tks\tshow symbol information");else{var ge=0,he=Y(),cc=Y(a.b.u[6]);for(a.i("stack trace for "+K(a,cc.F));10>ge;){for(var Ta=null,gj=256;65536>
-bc.F>>>0;){he.F=a.ma(bc,2);if(null==bc.F||!gj--)break;if(!(he.F&1)){for(var hj=a,Qc=he,Xg=null,cc=Qc.F,Yg=cc,ie=1;6>=ie&&cc;ie++){if(2<ie){Qc.F=cc;var Rc=Bi(hj,Qc);if(0<=Rc.indexOf("JSR")){var Zg=Rc.indexOf(" ");if(cc+(Rc.indexOf(" ",Zg+1)-Zg-1)/2==Yg){Xg=Rc;break}}}cc-=2}Qc.F=Yg;if(Sa=Xg)break}}if(!Sa||null==Sa)break;var $g=null;if("ks"==fj){var ah=Sa.match(/[0-9A-F]+$/);ah&&($g=Hi(a,ah[0]))}Sa=xa(Sa,50)+"  ;"+($g||"stack="+J(a,bc.F));a.i(Sa);ge++}ge||a.i("no return addresses found")}break;case "l":if("ln"==
+cc.F>>>0;){he.F=a.oa(cc,2);if(null==cc.F||!gj--)break;if(!(he.F&1)){for(var hj=a,Rc=he,Xg=null,dc=Rc.F,Yg=dc,ie=1;6>=ie&&dc;ie++){if(2<ie){Rc.F=dc;var Sc=Bi(hj,Rc);if(0<=Sc.indexOf("JSR")){var Zg=Sc.indexOf(" ");if(dc+(Sc.indexOf(" ",Zg+1)-Zg-1)/2==Yg){Xg=Sc;break}}}dc-=2}Rc.F=Yg;if(Ta=Xg)break}}if(!Ta||null==Ta)break;var $g=null;if("ks"==fj){var ah=Ta.match(/[0-9A-F]+$/);ah&&($g=Hi(a,ah[0]))}Ta=xa(Ta,50)+"  ;"+($g||"stack="+K(a,cc.F));a.i(Ta);ge++}ge||a.i("no return addresses found")}break;case "l":if("ln"==
-g[0]){Hi(a,g[1],!0);break}f=!0;break;case "m":a:{var qa,ra=null,G=g[1];"?"==G&&(G=void 0);if(void 0!==G){var Fa=0;if("all"==G)Fa=1878917119,G=null;else if("on"==G)ra=!0,G=null;else if("off"==G)ra=!1,G=null;else{"keys"==G&&(G="key");"kbd"==G&&(G="keyboard");for(qa in Cb)if(G==qa){Fa=Cb[qa];ra=!!(a.la&Fa);break}if(!Fa){a.i("unknown message category: "+G);break a}}if(Fa)if("on"==g[2])a.la|=Fa,ra=!0;else if("off"==g[2]&&(a.la&=~Fa,ra=!1,1073741824==Fa)){for(var je=0;je<a.Aa.length;je++)a.i(a.Aa[je]);
+g[0]){Hi(a,g[1],!0);break}f=!0;break;case "m":a:{var ra,sa=null,G=g[1];"?"==G&&(G=void 0);if(void 0!==G){var Ga=0;if("all"==G)Ga=1878917119,G=null;else if("on"==G)sa=!0,G=null;else if("off"==G)sa=!1,G=null;else{"keys"==G&&(G="key");"kbd"==G&&(G="keyboard");for(ra in Cb)if(G==ra){Ga=Cb[ra];sa=!!(a.la&Ga);break}if(!Ga){a.i("unknown message category: "+G);break a}}if(Ga)if("on"==g[2])a.la|=Ga,sa=!0;else if("off"==g[2]&&(a.la&=~Ga,sa=!1,1073741824==Ga)){for(var je=0;je<a.Aa.length;je++)a.i(a.Aa[je]);
-a.Aa=[]}}var ij=0,dc="";for(qa in Cb)if(!G||G==qa){var jj=!!(a.la&Cb[qa]);if(null===ra||ra==jj)dc&&(dc+=","),++ij%10||(dc+="\n\t"),"key"==qa&&(qa="keys"),dc+=qa}void 0===G&&a.i("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.i((null!==ra?ra?"messages on:  ":"messages off: ":"message categories:\n\t")+(dc||"none"));fi(a)}break;case "p":if("print"==g[0]){Ii(a,b.substr(5));break}var kj=g[0];if("?"==g[1])a.i("step commands:"),a.i("\tp\tstep over instruction"),a.i("\tpr\tstep over instruction with register update");
+a.Aa=[]}}var ij=0,ec="";for(ra in Cb)if(!G||G==ra){var jj=!!(a.la&Cb[ra]);if(null===sa||sa==jj)ec&&(ec+=","),++ij%10||(ec+="\n\t"),"key"==ra&&(ra="keys"),ec+=ra}void 0===G&&a.i("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.i((null!==sa?sa?"messages on:  ":"messages off: ":"message categories:\n\t")+(ec||"none"));fi(a)}break;case "p":if("print"==g[0]){Ii(a,b.substr(5));break}var kj=g[0];if("?"==g[1])a.i("step commands:"),a.i("\tp\tstep over instruction"),a.i("\tpr\tstep over instruction with register update");
-else{var bh="pr"==kj?1:0,ch=1+bh;if(a.O)a.i("step in progress");else{var Sc=Y(a.b.u[7]),ec=a.ma(Sc);3==ec||4==ec||34816==(ec&65280)||35072==(ec&65280)?(a.O=ch,oi(Sc,2)):2048==(ec&65024)&&(Bi(a,Sc),a.O=ch);a.O?(a.ob(a.f,Sc,!0),a.jb()||(a.C&&a.C.ub(),a.O=0)):Ji(a,bh?"tr":"t")}}break;case "r":if("reset"==b){a.C&&a.C.reset();break}ui(a,g);break;case "s":a:switch(g[1]){case "base":if(g[2]){var fc=+g[2];if(8==fc||10==fc||16==fc)a.ca=fc;else{a.i("invalid base: "+fc);break}}a.i("default base: "+a.ca);break;
+else{var bh="pr"==kj?1:0,ch=1+bh;if(a.O)a.i("step in progress");else{var Tc=Y(a.b.u[7]),fc=a.oa(Tc);3==fc||4==fc||34816==(fc&65280)||35072==(fc&65280)?(a.O=ch,oi(Tc,2)):2048==(fc&65024)&&(Bi(a,Tc),a.O=ch);a.O?(a.ob(a.f,Tc,!0),a.jb()||(a.C&&a.C.ub(),a.O=0)):Ji(a,bh?"tr":"t")}}break;case "r":if("reset"==b){a.C&&a.C.reset();break}ui(a,g);break;case "s":a:switch(g[1]){case "base":if(g[2]){var gc=+g[2];if(8==gc||10==gc||16==gc)a.ca=gc;else{a.i("invalid base: "+gc);break}}a.i("default base: "+a.ca);break;
-case "cs":var gc;void 0!==g[3]&&(gc=+g[3]);switch(g[2]){case "int":a.b.zb=gc;break;case "start":a.b.Pb=gc;break;case "stop":a.b.Ab=gc;break;default:a.i("unknown cs option");break a}void 0!==gc&&yd(a.b);a.i("checksums "+(a.b.A.xb?"enabled":"disabled"));break;case "sp":void 0!==g[2]&&(Cd(a.b,+g[2])||a.i("warning: using 1x multiplier, previous target not reached"));a.i("target speed: "+(a.b.qb.toFixed(2)+"Mhz")+" ("+a.b.gb+"x)");break;default:if(g[1]){a.i("unknown option: "+g[1]);break}case "?":a.i("debugger options:"),
+case "cs":var hc;void 0!==g[3]&&(hc=+g[3]);switch(g[2]){case "int":a.b.Ab=hc;break;case "start":a.b.Pb=hc;break;case "stop":a.b.Bb=hc;break;default:a.i("unknown cs option");break a}void 0!==hc&&yd(a.b);a.i("checksums "+(a.b.A.yb?"enabled":"disabled"));break;case "sp":void 0!==g[2]&&(Cd(a.b,+g[2])||a.i("warning: using 1x multiplier, previous target not reached"));a.i("target speed: "+(a.b.rb.toFixed(2)+"Mhz")+" ("+a.b.gb+"x)");break;default:if(g[1]){a.i("unknown option: "+g[1]);break}case "?":a.i("debugger options:"),
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-"");break}f=!0;break;case "?":if(g[1]){Ii(a,b.substr(1));break}var ke="commands:",le;for(le in hi)ke+="\n"+xa(le,9)+hi[le];He(a)||(ke+="\nnote: history disabled if no exec breakpoints");a.i(ke);break;default:f=!0}f&&(a.i("unknown command: "+b),d=!1)}}catch(dh){a.i("debugger error: "+(dh.stack||dh.message)),d=!1}return d}function Ad(a,b,c){b=Xh(a,b,c);for(var d in b)if(!Ai(a,b[+d]))return!1;return!0}
+"");break}f=!0;break;case "?":if(g[1]){Ii(a,b.substr(1));break}var ke="commands:",le;for(le in hi)ke+="\n"+xa(le,9)+hi[le];Ge(a)||(ke+="\nnote: history disabled if no exec breakpoints");a.i(ke);break;default:f=!0}f&&(a.i("unknown command: "+b),d=!1)}}catch(dh){a.i("debugger error: "+(dh.stack||dh.message)),d=!1}return d}function Ad(a,b,c){b=Xh(a,b,c);for(var d in b)if(!Ai(a,b[+d]))return!1;return!0}
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-function Li(a,b,c){t.call(this,"Computer",a,Li,67108864);this.A.ia=!1;Mi(this,b);this.L=wd(this,"autoPower",a);this.C=0;this.X=a.busWidth||a.buswidth;this.f=Ni;this.I=null;this.D=this.S=!1;this.ba=wd(this,"url")||"";(Math.random()+.1).toString(36);this.g=Oi(this);if(this.b=ub("CPU",this.id)){this.j=ub("Debugger",this.id);this.v=new oc({id:this.Ua+".bus",busWidth:this.X},this.b,this.j);var d,e=sb(this.id);if((this.w=ub("Panel",this.id))&&this.w.Va)for(b=0;b<e.length;b++)d=e[b],d.R=this.w.R,d.i=this.w.i,
+function Li(a,b,c){w.call(this,"Computer",a,Li,67108864);this.A.ia=!1;Mi(this,b);this.L=wd(this,"autoPower",a);this.C=0;this.X=a.busWidth||a.buswidth;this.f=Ni;this.I=null;this.D=this.S=!1;this.ba=wd(this,"url")||"";(Math.random()+.1).toString(36);this.g=Oi(this);if(this.b=ub("CPU",this.id)){this.j=ub("Debugger",this.id);this.v=new oc({id:this.Ua+".bus",busWidth:this.X},this.b,this.j);var d,e=sb(this.id);if((this.w=ub("Panel",this.id))&&this.w.Wa)for(b=0;b<e.length;b++)d=e[b],d.R=this.w.R,d.i=this.w.i,
-d.Va=this.w.Va;this.i("PDPjs v1.30.3\nCopyright \u00a9 2012-2016 Jeff Parsons <Jeff@pcjs.org>\nLicense: GPL version 3 or later <http://gnu.org/licenses/gpl.html>");this.i("Portions adapted from the PDP-11/70 Emulator v1.4 by Paul Nankervis <paulnank@hotmail.com>");for(b=0;b<e.length;b++)d=e[b],d.Ia&&d.Ia(this,this.v,this.b,this.j);b=null;d=a.resume;void 0!==d&&(1<d.length?b=this.H=d:this.f=parseInt(d,10));var f;if(a=wd(this,"state")||(f=!0,a.state))b=this.M=a,f||(this.D=!0,this.f=Ni),this.f&&(this.K=
+d.Wa=this.w.Wa;this.i("PDPjs v1.30.3\nCopyright \u00a9 2012-2016 Jeff Parsons <Jeff@pcjs.org>\nLicense: GPL version 3 or later <http://gnu.org/licenses/gpl.html>");this.i("Portions adapted from the PDP-11/70 Emulator v1.4 by Paul Nankervis <paulnank@hotmail.com>");for(b=0;b<e.length;b++)d=e[b],d.Ia&&d.Ia(this,this.v,this.b,this.j);b=null;d=a.resume;void 0!==d&&(1<d.length?b=this.H=d:this.f=parseInt(d,10));var f;if(a=wd(this,"state")||(f=!0,a.state))b=this.M=a,f||(this.D=!0,this.f=Ni),this.f&&(this.K=
-new O(this,"1.30.3"),Pi(this.K)?b=null:delete this.K);!b&&this.f&&(b=Qi(this))&&(this.D=!0);if(b){var g=this;Da(b,null,!0,function(a,b,c){c?(g.H=null,g.D=!1,g.R("Unable to load machine state from server (error "+c+(b?": "+ya(b):"")+")")):(g.I=b,g.S=!0);H(g)})}else H(this);this.G.power||(this.L=!0);!c&&this.L&&Ri(this,this.Qb)}else q("Unable to find CPU component")}z(Li);var Ni=0;
+new Q(this,"1.30.3"),Pi(this.K)?b=null:delete this.K);!b&&this.f&&(b=Qi(this))&&(this.D=!0);if(b){var g=this;Da(b,null,!0,function(a,b,c){c?(g.H=null,g.D=!1,g.R("Unable to load machine state from server (error "+c+(b?": "+ya(b):"")+")")):(g.I=b,g.S=!0);I(g)})}else I(this);this.G.power||(this.L=!0);!c&&this.L&&Ri(this,this.Qb)}else u("Unable to find CPU component")}A(Li);var Ni=0;
-function Mi(a,b){if(!b){var c;if("object"==typeof resources&&(c=resources.parms))try{b=eval("("+c+")")}catch(d){q(d.message+" ("+c+")")}}a.T=b}function wd(a,b,c){var d=b.toLowerCase(),d=eb[b]||eb[d];void 0===d&&a.T&&(d=a.T[b]);void 0===d&&c&&(d=c[b]);void 0===d&&"object"==typeof resources&&resources[b]&&(d=b);return d}function Ri(a,b,c){for(var d=sb(a.id),e=0;e<=d.length;e++){var f=e<d.length?d[e]:a;if(!xb(f)){xb(f,function(){Ri(a,b,c)});return}}b.call(a,c)}
+function Mi(a,b){if(!b){var c;if("object"==typeof resources&&(c=resources.parms))try{b=eval("("+c+")")}catch(d){u(d.message+" ("+c+")")}}a.T=b}function wd(a,b,c){var d=b.toLowerCase(),d=eb[b]||eb[d];void 0===d&&a.T&&(d=a.T[b]);void 0===d&&c&&(d=c[b]);void 0===d&&"object"==typeof resources&&resources[b]&&(d=b);return d}function Ri(a,b,c){for(var d=sb(a.id),e=0;e<=d.length;e++){var f=e<d.length?d[e]:a;if(!xb(f)){xb(f,function(){Ri(a,b,c)});return}}b.call(a,c)}
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+function Si(a,b){var c=new Q(a,"1.30.3","validate");if(Pi(c)&&Ti(c)){var d=c.get("timestamp"),e=b?b.get("timestamp"):"unknown";d!=e&&(a.R("Machine state may be out-of-date\n("+d+" vs. "+e+")\nCheck your browser's local storage limits"),b||c.clear())}}k=Li.prototype;
-k.Qb=function(a){void 0===a&&(a=this.f||(this.I?1:Ni));if(!this.C){this.C++;var b=!1,c=!1;this.O=!1;var d=this.K||new O(this,"1.30.3");if(-1==a)b=!0;else if(a>Ni){if(Pi(d,this.I)){this.B=new O(this,"1.30.3","failsafe");Pi(this.B)&&(Ui(this,d),a=2,Vi(this.B));this.B.set("timestamp",Ca());Wi(this.B);var e=this.f&&!this.D;if(1==a||Ha("Click OK to restore the previous PDPjs machine state, or CANCEL to reset the machine.")){if(c=Ti(d)){var f=d.get("code"),g=d.get("data");f&&("ok"==f?Pi(d,g):("error"==
+k.Qb=function(a){void 0===a&&(a=this.f||(this.I?1:Ni));if(!this.C){this.C++;var b=!1,c=!1;this.O=!1;var d=this.K||new Q(this,"1.30.3");if(-1==a)b=!0;else if(a>Ni){if(Pi(d,this.I)){this.B=new Q(this,"1.30.3","failsafe");Pi(this.B)&&(Ui(this,d),a=2,Vi(this.B));this.B.set("timestamp",Ca());Wi(this.B);var e=this.f&&!this.D;if(1==a||Ha("Click OK to restore the previous PDPjs machine state, or CANCEL to reset the machine.")){if(c=Ti(d)){var f=d.get("code"),g=d.get("data");f&&("ok"==f?Pi(d,g):("error"==
-f&&"no machine state"!=g?(this.R("Error: "+g),"unable to verify user"==g&&(La("user",""),this.g=null)):this.i(f+": "+g),Vi(d),Pi(d)?(c=Ti(d),e=!0):c=!1))}e&&Si(this,c?d:null)}else 2==a&&d.clear()}else Si(this);delete this.I;delete this.K}e=sb(this.id);for(f=0;f<e.length;f++)g=e[f],g!==this&&g!=this.b&&(c=Xi(this,g,d,b,c));b=[d,a,c];-1!=a?Ri(this,this.tc,b):this.tc(b)}};
+f&&"no machine state"!=g?(this.R("Error: "+g),"unable to verify user"==g&&(La("user",""),this.g=null)):this.i(f+": "+g),Vi(d),Pi(d)?(c=Ti(d),e=!0):c=!1))}e&&Si(this,c?d:null)}else 2==a&&d.clear()}else Si(this);delete this.I;delete this.K}e=sb(this.id);for(f=0;f<e.length;f++)g=e[f],g!==this&&g!=this.b&&(c=Xi(this,g,d,b,c));b=[d,a,c];-1!=a?Ri(this,this.uc,b):this.uc(b)}};
-function Xi(a,b,c,d,e){if(!b.A.ia){b.A.ia=!0;if(b.Ka){var f=null;e&&((f=c.get(b.id))||(f=c.get(b.id.replace(/[a-z0-9]\./i,"."))));"string"===typeof f&&(f=null);!b.Ka(f,d)&&f&&(q("Unable to restore state for "+b.type),a.M&&!a.S?(c.clear(),a.f=Ni,window&&window.location.reload()):a.O=!0,b.Ka(null),e=!1)}if(!d&&b.Bc)for(a=b.Bc.split("|"),c=0;c<a.length;c++)b.status(a[c])}return e}
+function Xi(a,b,c,d,e){if(!b.A.ia){b.A.ia=!0;if(b.Ka){var f=null;e&&((f=c.get(b.id))||(f=c.get(b.id.replace(/[a-z0-9]\./i,"."))));"string"===typeof f&&(f=null);!b.Ka(f,d)&&f&&(u("Unable to restore state for "+b.type),a.M&&!a.S?(c.clear(),a.f=Ni,window&&window.location.reload()):a.O=!0,b.Ka(null),e=!1)}if(!d&&b.Cc)for(a=b.Cc.split("|"),c=0;c<a.length;c++)b.status(a[c])}return e}
-k.tc=function(a){var b=a[0],c=0>a[1];a=a[2];this.ca=!0;this.A.ia=!0;var d=this.G.power;d&&(d.textContent="Shutdown");this.b&&(Xi(this,this.b,b,c,a),this.sa(),this.b.vb());this.O&&(Ui(this,b),b.clear());!c&&this.B&&(this.B.clear(),delete this.B);this.C=0};
+k.uc=function(a){var b=a[0],c=0>a[1];a=a[2];this.ca=!0;this.A.ia=!0;var d=this.G.power;d&&(d.textContent="Shutdown");this.b&&(Xi(this,this.b,b,c,a),this.ra(),this.b.xb());this.O&&(Ui(this,b),b.clear());!c&&this.B&&(this.B.clear(),delete this.B);this.C=0};
 function Ui(a,b){if(Ha("There may be a problem with your PDPjs machine.\n\nTo help us diagnose it, click OK to send this PDPjs machine state to http://www.pcjs.org.")){var c=a.g||"";b=b.toString();var d={app:"PDPjs",ver:"1.30.3"};d.url=a.ba;d.user=c;d.type="bug";d.data=b;Da("http://www.pcjs.org/api/v1/report",d,!0)}}
-function Ki(a,b,c){var d,e="none";if(a.C)return null;a.C--;var f=new O(a,"1.30.3"),g=new O(a,"1.30.3","validate"),h=Ca();g.set("timestamp",h);f.set("timestamp",h);f.set("version","1.30.3");f.set("url",window?window.location.href:null);f.set("browser",window?window.navigator.userAgent:"");a.b&&a.b.Ja&&(c&&a.b.da(),d=a.b.Ja(b,c),"object"===typeof d&&f.set(a.b.id,d),c&&(a.b.A.ia=!1,!1===d&&(e=null)));for(var h=sb(a.id),l=0;l<h.length;l++){var m=h[l];m.A.ia&&(m.Ja&&(d=m.Ja(b,c),"object"===typeof d&&f.set(m.id,
+function Ki(a,b,c){var d,e="none";if(a.C)return null;a.C--;var f=new Q(a,"1.30.3"),g=new Q(a,"1.30.3","validate"),h=Ca();g.set("timestamp",h);f.set("timestamp",h);f.set("version","1.30.3");f.set("url",window?window.location.href:null);f.set("browser",window?window.navigator.userAgent:"");a.b&&a.b.Ja&&(c&&a.b.da(),d=a.b.Ja(b,c),"object"===typeof d&&f.set(a.b.id,d),c&&(a.b.A.ia=!1,!1===d&&(e=null)));for(var h=sb(a.id),l=0;l<h.length;l++){var m=h[l];m.A.ia&&(m.Ja&&(d=m.Ja(b,c),"object"===typeof d&&f.set(m.id,
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-k.reset=function(){this.v&&this.v.reset&&(E(this,"Resetting "+this.v.type),this.v.reset());this.b&&this.b.reset&&(E(this,"Resetting "+this.b.type),this.b.reset());for(var a=sb(this.id),b=0;b<a.length;b++){var c=a[b];c!==this&&c!==this.v&&c!==this.b&&c.reset&&(E(this,"Resetting "+c.type),c.reset())}this.sa(-1)};k.start=function(a,b){for(var c=sb(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.start&&e.start(a,b)}this.sa(-1)};
+k.reset=function(){this.v&&this.v.reset&&(F(this,"Resetting "+this.v.type),this.v.reset());this.b&&this.b.reset&&(F(this,"Resetting "+this.b.type),this.b.reset());for(var a=sb(this.id),b=0;b<a.length;b++){var c=a[b];c!==this&&c!==this.v&&c!==this.b&&c.reset&&(F(this,"Resetting "+c.type),c.reset())}this.ra(-1)};k.start=function(a,b){for(var c=sb(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.start&&e.start(a,b)}this.ra(-1)};
-k.stop=function(a,b){for(var c=sb(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.stop&&e.stop(a,b)}this.sa(-1)};
+k.stop=function(a,b){for(var c=sb(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.stop&&e.stop(a,b)}this.ra(-1)};
-k.sa=function(a){if(this.b){var b=this.b,c=a||0,d=b.G.speed;d&&(0>=c||30<=(b.wb+=c))&&(d.textContent=b.A.W?b.pa.toFixed(2)+"Mhz":"Stopped",b.wb=0)}if(this.w&&(b=this.w,a=a||0,b.D)){c=b.b.A.W;d=!!(b.b.J&4);if(0>=a||60<=(b.B+=a)){for(var e=0;e<b.b.u.length;e++)Qb(b,"R"+e,b.b.u[e]);e=bd(b.b);Qb(b,"PS",e);Qb(b,"NF",e&8?1:0,1);Qb(b,"ZF",e&4?1:0,1);Qb(b,"VF",e&2?1:0,1);Qb(b,"CF",e&1?1:0,1);b.B=0}jc(b,0<a&&c&&!d?b.b.Mb:b.va);ic(b,b.rb);a=b.b;a=a.M?a.Ta&16?1:2:4;lc(b,"B22",a&1);lc(b,"B18",a&2);lc(b,"B16",
+k.ra=function(a){if(this.b){var b=this.b,c=a||0,d=b.G.speed;d&&(0>=c||30<=(b.zb+=c))&&(d.textContent=b.A.W?b.xa.toFixed(2)+"Mhz":"Stopped",b.zb=0)}if(this.w&&(b=this.w,a=a||0,b.D)){c=b.b.A.W;d=!!(b.b.J&4);if(0>=a||60<=(b.B+=a)){for(var e=0;e<b.b.u.length;e++)Qb(b,"R"+e,b.b.u[e]);e=bd(b.b);Qb(b,"PS",e);Qb(b,"NF",e&8?1:0,1);Qb(b,"ZF",e&4?1:0,1);Qb(b,"VF",e&2?1:0,1);Qb(b,"CF",e&1?1:0,1);b.B=0}jc(b,0<a&&c&&!d?b.b.Mb:b.ua);ic(b,b.sb);a=b.b;a=a.M?a.Ta&16?1:2:4;lc(b,"B22",a&1);lc(b,"B18",a&2);lc(b,"B16",
 a&4)}};
-k.wa=function(a,b,c){var d=this;switch(b){case "power":return this.G[b]=c,c.onclick=function(){d.C||(d.A.ia?Ki(d,!1,!0):Ri(d,d.Qb))},!0;case "reset":return this.G[b]=c,c.onclick=function(){if(d.A.ia&&!d.C)if(d.f&&!d.H){var a=Ha("Click OK to save changes to this PDPjs machine.\n\nWARNING: If you CANCEL, all disk changes will be discarded.");Ki(d,a,!0);!a&&d.M?window&&window.location.reload():(a||(d.uc=!0),d.Qb(Ni),d.uc=!1)}else d.reset(),d.b&&d.b.vb()},!0;case "save":if(ua(Ga(),"pcjs.org"))c.parentNode.removeChild(c);else return this.G[b]=
+k.wa=function(a,b,c){var d=this;switch(b){case "power":return this.G[b]=c,c.onclick=function(){d.C||(d.A.ia?Ki(d,!1,!0):Ri(d,d.Qb))},!0;case "reset":return this.G[b]=c,c.onclick=function(){if(d.A.ia&&!d.C)if(d.f&&!d.H){var a=Ha("Click OK to save changes to this PDPjs machine.\n\nWARNING: If you CANCEL, all disk changes will be discarded.");Ki(d,a,!0);!a&&d.M?window&&window.location.reload():(a||(d.vc=!0),d.Qb(Ni),d.vc=!1)}else d.reset(),d.b&&d.b.xb()},!0;case "save":if(ua(Fa(),"pcjs.org"))c.parentNode.removeChild(c);else return this.G[b]=
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+h.restore=function(a){var b=0,c="unsupported restore format";if(a&&0<a.length){var d=0,e=a[d++];e&&2<=e.length&&(!this.a.length&&6<=e.length?Bf(this,"local",e[2],e[3],e[4],e[5]):null!=e[1]&&null!=this.b&&e[1]!=this.b&&(c="original checksum ("+e[1]+") differs from current checksum ("+this.b+")",b=-2));for(this.a.length||(b=-1);d<a.length&&0<=b;){var f=0,g=a[d++],k=g[f++],l=g[f++],n=g[f++];if(k>=this.a.length||l>=this.a[k].length||n>=this.a[k][l].length){c="sector (CHS="+k+":"+l+":"+n+") out of range ("+
-h.restore=function(a){var b=0,c="unsupported restore format";if(a&&0<a.length){var d=0,e=a[d++];e&&2<=e.length&&(!this.a.length&&6<=e.length?Cf(this,"local",e[2],e[3],e[4],e[5]):null!=e[1]&&null!=this.b&&e[1]!=this.b&&(c="original checksum ("+e[1]+") differs from current checksum ("+this.b+")",b=-2));for(this.a.length||(b=-1);d<a.length&&0<=b;){var f=0,g=a[d++],k=g[f++],l=g[f++],n=g[f++];if(k>=this.a.length||l>=this.a[k].length||n>=this.a[k][l].length){c="sector (CHS="+k+":"+l+":"+n+") out of range ("+
+b+" changes applied)";b=-1;break}if(this.c){c="unable to modify write-protected disk";b=-1;break}e=g[f++];f=g[f++];g=e+f.length;if(k=this.a[k][l][n]){for(l=k.data.length;l<e;)k.data[l++]=k.pattern;l=0;k.oa=e;for(k.ca=f.length;e<g;)k.data[e++]=f[l++];b++}}}0>b&&-2!=b&&this.controller.G("Unable to restore disk '"+this.xa+": "+c);return b};
-b+" changes applied)";b=-1;break}if(this.c){c="unable to modify write-protected disk";b=-1;break}e=g[f++];f=g[f++];g=e+f.length;if(k=this.a[k][l][n]){for(l=k.data.length;l<e;)k.data[l++]=k.pattern;l=0;k.oa=e;for(k.da=f.length;e<g;)k.data[e++]=f[l++];b++}}}0>b&&-2!=b&&this.controller.G("Unable to restore disk '"+this.xa+": "+c);return b};
+h.toJSON=function(){var a;a=0;for(var b;b=Gf(this,a++);)If(b);a=JSON.stringify(this.a,function(a,b){if("file"!=a)return b});a=a.replace(/,"length":512/gm,"").replace(/,"pattern":0/gm,"");a=a.replace(/"(sector|length|data|pattern)":/gm,"$1:");a=a.replace(/,"[^"]*":([0-9]+|true|false)/gm,"");a=a.replace(/(sector|length|data|pattern):/gm,'"$1":');return a=a.replace(/([\]}]),/gm,"$1,\n")};
-h.toJSON=function(){var a;a=0;for(var b;b=Hf(this,a++);)Jf(b);a=JSON.stringify(this.a,function(a,b){if("file"!=a)return b});a=a.replace(/,"length":512/gm,"").replace(/,"pattern":0/gm,"");a=a.replace(/"(sector|length|data|pattern)":/gm,"$1:");a=a.replace(/,"[^"]*":([0-9]+|true|false)/gm,"");a=a.replace(/(sector|length|data|pattern):/gm,'"$1":');return a=a.replace(/([\]}]),/gm,"$1,\n")};
+function If(a){var b=a.data,c=b.length;if(c<<2==a.length){for(var d=c-1,e=b[d],f=0;d--&&b[d]===e;)f++;f++&&(b.length=c-f,a.pattern=e)}}function N(a){y.call(this,"RL11",a,N,8388608);this.f=a.autoMount||null;this.s=0;this.b=Array(4);this.A=!Ba("Mobi")&&window&&"FileReader"in window}A(N);h=N.prototype;
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+c,c.onclick=function(){var a=d.o.listDisks;a&&Kf(d,a.options[a.selectedIndex].text,a.value)},!0;case "saveDrive":if(!this.A){c.parentNode.removeChild(c);break}this.o[b]=c;c.onclick=function(){var a=d.o.listDrives;if(a&&a.options&&d.b)if(a=d.b[ja(a.value)||0])if(a=a.da){var b;b="";for(var c=0,k;k=Gf(a,c++);)for(var l=0,n=k.length;l<n;l++)b+=String.fromCharCode(Hf(a,k,l));b=btoa(b);a=a.ac.replace(".json",".img");c=null;b="data:application/octet-stream;base64,"+b;a&&(c=document.createElement("a"),"string"!=
-c,c.onclick=function(){var a=d.o.listDisks;a&&Lf(d,a.options[a.selectedIndex].text,a.value)},!0;case "saveDrive":if(!this.A){c.parentNode.removeChild(c);break}this.o[b]=c;c.onclick=function(){var a=d.o.listDrives;if(a&&a.options&&d.b)if(a=d.b[ja(a.value)||0])if(a=a.ea){var b;b="";for(var c=0,k;k=Hf(a,c++);)for(var l=0,n=k.length;l<n;l++)b+=String.fromCharCode(If(a,k,l));b=btoa(b);a=a.ac.replace(".json",".img");c=null;b="data:application/octet-stream;base64,"+b;a&&(c=document.createElement("a"),"string"!=
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+c.onsubmit=function(a){if(a=a.currentTarget[1].files[0]){var b=a.name;Kf(d,q(b,!0),b,a)}return!1},!0;c.parentNode.removeChild(c)}return!1};
-h.ja=function(a,b,c,d){this.l=a;this.h=b;this.a=c;this.F=d;if((this.g=tc(this.l,"autoMount")||this.g)&&"string"==typeof this.g)try{this.g=eval("("+this.g+")")}catch(e){t("RL11 auto-mount error: "+e.message+" ("+this.g+")"),this.g=null}Mf(this);this.D=Vb(112,5);cb(b,this,Nf);eb(b,this.reset.bind(this));Of(this,"None","",!0);this.A&&Of(this,"Local Disk","?");Of(this,"Remote Disk","??");Pf(this)||F(this)};
+h.ja=function(a,b,c,d){this.l=a;this.h=b;this.a=c;this.F=d;if((this.f=tc(this.l,"autoMount")||this.f)&&"string"==typeof this.f)try{this.f=eval("("+this.f+")")}catch(e){t("RL11 auto-mount error: "+e.message+" ("+this.f+")"),this.f=null}Lf(this);this.D=Vb(112,5);cb(b,this,Mf);eb(b,this.reset.bind(this));Nf(this,"None","",!0);this.A&&Nf(this,"Local Disk","?");Nf(this,"Remote Disk","??");Of(this)||F(this)};
-h.la=function(a,b){if(!b){if(!a||!this.restore){if(this.reset(),this.l.Nb){for(a=0;a<this.b.length;a++)Qf(this,a,!0);Pf(this,!0)}}else if(!this.restore(a))return!1;if(a=this.o.listDrives){for(;a.firstChild;)a.removeChild(a.firstChild);a.value="";for(b=0;4>b;b++){var c=document.createElement("option");c.value=b;c.text="RL"+b;a.appendChild(c)}a.value="0";Kf(this,0)}}return!0};h.ka=function(a){return a?this.save():!0};h.reset=function(){Mf(this)};h.save=function(){return(new O(this)).data()};
+h.la=function(a,b){if(!b){if(!a||!this.restore){if(this.reset(),this.l.Ob){for(a=0;a<this.b.length;a++)Pf(this,a,!0);Of(this,!0)}}else if(!this.restore(a))return!1;if(a=this.o.listDrives){for(;a.firstChild;)a.removeChild(a.firstChild);a.value="";for(b=0;4>b;b++){var c=document.createElement("option");c.value=b;c.text="RL"+b;a.appendChild(c)}a.value="0";Jf(this,0)}}return!0};h.ka=function(a){return a?this.save():!0};h.reset=function(){Lf(this)};h.save=function(){return(new O(this)).data()};
-h.restore=function(a){return Mf(this,a[0])};function Pf(a,b){b||(a.s=0);if(a.g)for(var c in a.g){var d=a.g[c],e=d.path||"",f;if(!(f=d.name))a:{if((f=a.o.listDisks)&&f.options)for(var g=0;g<f.options.length;g++){var k=f.options[g];if(k.value==e){f=k.text;break a}}f=q(e,!0)}if(e&&f&&(g=-1,c&&(g=c.charCodeAt(c.length-1)-48,0>g||9<g)&&(g=-1),0<=g&&g<a.b.length)){!Rf(a,g,f,e,!0)&&b&&F(a,!1);continue}a.G("Incorrect auto-mount settings for drive "+c+" ("+JSON.stringify(d)+")")}return!!a.s}
+h.restore=function(a){return Lf(this,a[0])};function Of(a,b){b||(a.s=0);if(a.f)for(var c in a.f){var d=a.f[c],e=d.path||"",f;if(!(f=d.name))a:{if((f=a.o.listDisks)&&f.options)for(var g=0;g<f.options.length;g++){var k=f.options[g];if(k.value==e){f=k.text;break a}}f=q(e,!0)}if(e&&f&&(g=-1,c&&(g=c.charCodeAt(c.length-1)-48,0>g||9<g)&&(g=-1),0<=g&&g<a.b.length)){!Qf(a,g,f,e,!0)&&b&&F(a,!1);continue}a.G("Incorrect auto-mount settings for drive "+c+" ("+JSON.stringify(d)+")")}return!!a.s}
-function Lf(a,b,c,d){var e=a.o.listDrives,e=e&&ja(e.value);if(void 0===e||0>e||e>=a.b.length)a.G("Unable to load the selected drive");else if(c)if("?"==c)a.G('Use "Choose File" and "Mount" to select and load a local disk.');else{if("??"==c){c=window.prompt("Enter the URL of a remote disk image.","")||"";if(!c)return;b=q(c);a.status("Attempting to load "+c+' as "'+b+'"')}Rf(a,e,b,c,!1,d)}else Qf(a,e)}
+function Kf(a,b,c,d){var e=a.o.listDrives,e=e&&ja(e.value);if(void 0===e||0>e||e>=a.b.length)a.G("Unable to load the selected drive");else if(c)if("?"==c)a.G('Use "Choose File" and "Mount" to select and load a local disk.');else{if("??"==c){c=window.prompt("Enter the URL of a remote disk image.","")||"";if(!c)return;b=q(c);a.status("Attempting to load "+c+' as "'+b+'"')}Qf(a,e,b,c,!1,d)}else Pf(a,e)}
-function Rf(a,b,c,d,e,f){var g=-1,k=a.b[b];k.Ca.toLowerCase()!=d.toLowerCase()&&(g++,Qf(a,b,!0),k.wb?a.G("RL11 busy"):(k.wb=!0,e&&(k.vb=!0,a.s++),k.ib=!!f,Ef(new Af(a,k,"preload"),c,d,f,a.lc)&&g++));return g}
+function Qf(a,b,c,d,e,f){var g=-1,k=a.b[b];k.Ca.toLowerCase()!=d.toLowerCase()&&(g++,Pf(a,b,!0),k.xb?a.G("RL11 busy"):(k.xb=!0,e&&(k.wb=!0,a.s++),k.lb=!!f,Df(new zf(a,k,"preload"),c,d,f,a.oc)&&g++));return g}
-h.lc=function(a,b,c,d,e){var f;a.wb=!1;b&&(f=b.a.length?[b.a.length,b.a[0].length,b.a[0][0].length,b.a[0][0][0].length]:[0,0,0,0],b&&f[0]>a.U||f[1]>a.$)&&(this.G('Disk "'+c+'" too large for drive '+("RL"+a.zb)),b=null);b?(a.ea=b,a.xa=c,a.Ca=d,this.G('Mounted disk "'+c+'" in drive '+("RL"+a.zb),a.vb||e),this.l&&zc(this.l)):a.ib=!1;a.vb&&(a.vb=!1,--this.s||F(this));Kf(this,a.zb)};
+h.oc=function(a,b,c,d,e){var f;a.xb=!1;b&&(f=b.a.length?[b.a.length,b.a[0].length,b.a[0][0].length,b.a[0][0][0].length]:[0,0,0,0],b&&f[0]>a.U||f[1]>a.Z)&&(this.G('Disk "'+c+'" too large for drive '+("RL"+a.zb)),b=null);b?(a.da=b,a.xa=c,a.Ca=d,this.G('Mounted disk "'+c+'" in drive '+("RL"+a.zb),a.wb||e),this.l&&zc(this.l)):a.lb=!1;a.wb&&(a.wb=!1,--this.s||F(this));Jf(this,a.zb)};
-function Of(a,b,c,d){if((a=a.o.listDisks)&&a.options){for(var e=0;e<a.options.length;e++)if(a.options[e].value==c)return;e=document.createElement("option");e.text=b;e.value=c;d&&a.childNodes[0]?a.insertBefore(e,a.childNodes[0]):a.appendChild(e)}}
+function Nf(a,b,c,d){if((a=a.o.listDisks)&&a.options){for(var e=0;e<a.options.length;e++)if(a.options[e].value==c)return;e=document.createElement("option");e.text=b;e.value=c;d&&a.childNodes[0]?a.insertBefore(e,a.childNodes[0]):a.appendChild(e)}}
-function Kf(a,b){if(0<=b&&b<a.b.length){var c=a.b[b],d=a.o.listDisks;a=a.o.listDrives;if(d&&a&&d.options&&a.options&&(a=ja(a.value),c=c.ib?"?":c.Ca,!isNaN(a)&&a==b)){for(b=0;b<d.options.length;b++)if(d.options[b].value==c){d.selectedIndex!=b&&(d.selectedIndex=b);break}b==d.options.length&&(d.selectedIndex=0)}}}function Qf(a,b,c){var d=a.b[b];if(d.ea||!1===c)d.xa="",d.Ca="",d.ea=null,d.ib=!1,c||(a.G("Drive RL"+b+" unloaded",c),Kf(a,b))}
+function Jf(a,b){if(0<=b&&b<a.b.length){var c=a.b[b],d=a.o.listDisks;a=a.o.listDrives;if(d&&a&&d.options&&a.options&&(a=ja(a.value),c=c.lb?"?":c.Ca,!isNaN(a)&&a==b)){for(b=0;b<d.options.length;b++)if(d.options[b].value==c){d.selectedIndex!=b&&(d.selectedIndex=b);break}b==d.options.length&&(d.selectedIndex=0)}}}function Pf(a,b,c){var d=a.b[b];if(d.da||!1===c)d.xa="",d.Ca="",d.da=null,d.lb=!1,c||(a.G("Drive RL"+b+" unloaded",c),Jf(a,b))}
-function Mf(a,b){var c=0;b||(b=[]);a.L=b[c++]||0;a.v=b[c++]||0;a.c=b[c++]||0;a.i=b[c++]||0;a.m=b[c++]||0;a.w=b[c]||0;for(b=0;b<a.b.length;b++){var d=a.b[b];void 0===d&&(d=a.b[b]={});c=a;d.zb=b;d.wb=d.ib=!1;d.name=c.za;d.U=512;d.$=2;d.S=40;d.ia=256;d.xb=!0;d.le=0;d.ke=0;d.Lb=1;d.ic=d.S;d.Qb=d.ia;d.oe=0;d.pe=null;d.ea||(d.Ca="");d.status=29|(512==d.U?128:0)}return!0}
+function Lf(a,b){var c=0;b||(b=[]);a.L=b[c++]||0;a.v=b[c++]||0;a.c=b[c++]||0;a.i=b[c++]||0;a.m=b[c++]||0;a.w=b[c]||0;for(b=0;b<a.b.length;b++){var d=a.b[b];void 0===d&&(d=a.b[b]={});c=a;d.zb=b;d.xb=d.lb=!1;d.name=c.Fa;d.U=512;d.Z=2;d.S=40;d.ia=256;d.yb=!0;d.oe=0;d.ne=0;d.Mb=1;d.jc=d.S;d.Rb=d.ia;d.re=0;d.se=null;d.da||(d.Ca="");d.status=29|(512==d.U?128:0)}return!0}
-h.jc=function(a,b,c,d,e,f){this.v=f&65535;this.L=this.L&-49|f>>12&48;this.w=f>>16&63;this.i=this.c=b<<7|(c?64:0)|d&63;this.m=65536-e&65535;a&&(this.L=this.L|a|32768);return!0};
+h.mc=function(a,b,c,d,e,f){this.v=f&65535;this.L=this.L&-49|f>>12&48;this.w=f>>16&63;this.i=this.c=b<<7|(c?64:0)|d&63;this.m=65536-e&65535;a&&(this.L=this.L|a|32768);return!0};
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