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598 lines
27 KiB
Text
598 lines
27 KiB
Text
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==Phrack Magazine==
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Volume Four, Issue Forty-Two, File 8 of 14
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USEFUL COMMANDS FOR THE TP3010 DEBUG PORT
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BY G. TENET
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ALL OF THE COMMANDS LISTED BELOW, INDICATE A LENGTH IN ALL THE READ
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COMMANDS. THE LENGTH OF THE READ COMMANDS MAY VARY DUE TO
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CONFIGURATION OPTIONS AND SOFTWARE VERSION.
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1) L7FE,L,A,R200
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THIS COMMAND STRING WILL LOAD '7FE' INTO THE MEMORY POINTER
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REGISTER THEN LOAD THE CONTENT OF '7FE' AND '7FF' INTO THE MEMORY
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POINTER REGISTER. THE 'A' THEN INCREMENTS THE CONTENTS OF THE MEMORY
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POINTER REGISTER. THE 'R200' COMMAND THEN READS 200 BYTES BEGINNING
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AT THE LOCATION SPECIFIED BY THE MEMORY POINTER REGISTER.
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THIS AREA IS USED FOR STORING THE LOADED CONFIGURATION. DUE TO THE
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VARIABLE NATURE OF THE CONFIGURATION RECORDS, THE READ COMMAND MAY HAVE
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TO BE MODIFIED DEPENDANT ON THE NUMBER OF LINES DEFINED, THE TYPE OF LINES
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DEFINED (X780,3270) AND THE TYPE OF SOFTWARE LOADED (4.2X OR 5.0X).
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2) LC4,R3,LCC,R3 (4.2X SOFTWARE)
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L124,R3,L131,R3 (5.0X SOFTWARE)
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THIS COMMAND STRING WILL DISPLAY THE BUFFER MANAGER CONTROL BLOCK AREA
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WHICH HAS BUFFER COUNTS WHICH MAY SUGGEST POSSIBLE PROBLEMS.
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3) L32C,R (4.2X SOFTWARE)
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L29C,R (5.0X SOFTWARE)
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THIS COMMAND STRING WILL DISPLAY THE NUMBER OF ACTIVE VC'S IN THE
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TP3 AT THAT MOMENT.
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IF THIS COMMAND IS USED VIA THE LOCAL CONSOLE, THE VC COUNT WILL NOT
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INCLUDE THE USER CONNECTION BECAUSE THERE WILL BE NO VC ON THE X.25 LINE
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FOR THE LOCAL CONSOLE.
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4) L70,R60
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THIS COMMAND STRING WILL DISPLAY THE LCB (LINE CONTROL BLOCK) POINTER
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FOR THE CONFIGURED LINES.
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THE ORDER THAT THE LCB POINTERS ARE ENTERED ARE: CONSOLE LCB, X.25 LCB,
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LINE 1, LINE 2, LINE 3...LINE27. ANY ZERO ENTRY IS AN UNCONFIGURED
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LINE EACH LINE ENTRY IS TWO BYTES LONG.
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5) L300,L,R20 (4.2X SOFTWARE)
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L270,L,R20 (5.0X SOFTWARE)
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THIS COMMAND STRING WILL DISPLAY THE LCN VECTOR TABLE. THE ENTRIES ARE
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FOR EACH ACTIVE LCN BEGINNING WITH LCN 0 THRU THE HIGHEST CONFIGURED
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LCN. A 0000 ENTRY FOR AN LCN WILL INDICATE THAT THE LCN IS NOT ACTIVE.
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A NON ZERO ENTRY WILL POINT TO THE DCB (DEVICE CONTROL BLOCK) OF THE
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ASSOCIATED LINE/DEVICE.
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6) L1F1,L,R20 (4.2X SOFTWARE ONLY)
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THIS COMMAND STRING WILL DISPLAY THE PROTOCOL ID TABLE FOR THE
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CONFIGURED/SUPPORTED PROTOCOLS. THE FORMAT OF THE OUTPUT
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IS:
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999999999999...
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-- ----
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! -- ! ----
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! ! ! !...............POINTER TO THE SERVER TABLE *****
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! ! !...................POINTER TO THE PROTOCOL SERVICE ROUTINE
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! !......................PROTOCOL ID NUMBER
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! 01 =ITI (RITI AND LITI)
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! 4B =X780
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! 47 =NAP 3270
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! 09 =DEBUG
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!........................NUMBER OF ENTRIES IN THIS TABLE
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7) L(ADDRESS OF THE SERVER TABLE),R20
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THE ADDRESS OF THE SERVER TABLE IS FOUND IN #6 (ABOVE)
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THIS COMMAND WILL DISPLAY THE SERVER TABLE IN THE FORMAT:
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99999999...
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-- ----
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! -- !................ THIS IS THE ADDRESS OF THE FIRST FREE DCB
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! ! IN THE FREE DCB LIST. IF 0000 THEN THERE ARE
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! ! NO FREE DCB'S FOR THIS SERVER AND PROTOCOL.
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! !.....................SERVER NUMBER
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!.......................NUMBER OF ENTRIES IN THIS TABLE
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THE POINTER IN THIS TABLE , IF PRESENT, WILL POINT TO THE NEXT AVAILABLE
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DCB. WITHIN THE DCB, THERE IS A POINTER AT DISPLACEMENT 18 AND 19 WHICH
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WILL POINT TO THE NEXT FREE DCB. THE LAST FREE DCB WILL HAVE A
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POINTER OF 0000.
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THE FOLLOWING COMMANDS ARE USED WITHIN THE TP3 DEBUG PORT TO
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PERFORM THE INDICATED ACTIONS. ONLY THE TP3325 WILL SUPPORT THE
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[# LPU NUMBER] OPTIONS. THE USE OF THE [# LPU NUMBER] OPTION IS ONLY
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REQUIRED IF YOU WISH TO ADDRESS A DIFFERENT LPU NUMBER; EXCEPT FOR THE
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'S' COMMAND WITH WHICH THE LPU MUST BE DEFINED.
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A SPACE CHARACTER MAY BE INCLUDED IN THE COMMAND AND THE COMMANDS
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MAY BE STACKED (EXAMPLE: L7FE ,L,A,R5,L#2,L 7FE,L,A,R5,L#3 7FE,L,A,R 5).
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THE TP3325 COMMANDS THAT DO NOT USE THE 'LPU' PARAMETER USE THE
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LAST ASSIGNED LPU NUMBER. (EXAMPLE: L#27FE,R2,L#17FE,R4)
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THE FIRST LOAD COMMAND ADDRESSES LPU 2 AND THE NEXT LOAD COMMAND ADDRESSES
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LPU 1. THE READ OF TWO BYTES IS READING FROM LPU 2 AND THE READ OF FOUR
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BYTES IS READING FROM LPU 1.
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A VALUE
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INCREMENTS THE MEMORY ADDRESS POINTER.
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(EXAMPLE: A5 OR AFFE2 OR A#2EF)
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B VALUE
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USED TO ENTER OR EXIT BINARY MODE.
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(EXAMPLE: B01 OR B00)
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C [# LPU NUMBER] VALUE
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USED TO WARM OR COLD START A TP3325 LPU
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(EXAMPLE: C00 OR C#300)
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OR
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USED TO WARM OR COLD START OTHER TP3.
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(EXAMPLE: C01 OR C#201)
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D VALUE
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USED TO DECREMENT THE MEMORY POINTER.
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(EXAMPLE: D18 OR DFFE5 OR D#4IFF)
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E STRING
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USED TO CHECK FOR A EQUAL COMPARE OF MEMORY DATA.
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(EXAMPLE: E00 OR E0F0304 OR E#20000)
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F STRING
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USED TO FIND THE FIRST OCCURRENCE OF A STRING.
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(EXAMPLE: F0F0304 OR F08080202 OR F#308080404)
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G [# LPU NUMBER] VALUE
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USED TO FIND THE ADDRESS OF A CONFIGURATION FILE IN
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MEMORY. THE LPU DEFINITION IN THE COMMAND DOES
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NOT CHANGE THE LPU ASSIGNMENT IN THE DEBUG PORT.
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(EXAMPLE: GFE OR G01 OR G#301)
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I [# LPU NUMBER]
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USED TO OBTAIN A LIST OF THE CONFIGURED LINE TYPES.
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(EXAMPLE: I OR I#3)
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K [# LPU NUMBER] [14 DIGIT ADDRESS]
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USED TO OBTAIN THE LCB, ADDRESS TABLE POINTERS AND
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LINE NUMBER ASSOCIATED WITH THE ADDRESS.
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(EXAMPLE: K31102120012301 OR K#2 311021250212)
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N STRING
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USED TO CHECK FOR AN NON EQUAL COMPARISON.
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(EXAMPLE: N0F0304 OR N08080202 OR N#1 0F)
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P [# LPU NUMBER] PORT NUMBER
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USED TO READ THE CONTENTS OF A SPECIFIC PORT REGISTER.
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(EXAMPLE: P45 OR P21 OR P#4 21)
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R VALUE
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USED TO READ MEMORY DATA. THE QUANTITY IS INDICATED
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BY THE 'VALUE'.
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(EXAMPLE: R18 OR R200)
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S [# LPU NUMBER] LINE NUMBER
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USED TO OBTAIN DATA SET SIGNALS FOR THE DEFINED LINE
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NUMBER.
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(EXAMPLE: S1 OR S#23 OR S)
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T (TP3325 ONLY)
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W STRING
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USED TO WRITE DATA INTO MEMORY.
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(EXAMPLE: W0E0304 OR W08080707)
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X [# LPU NUMBER]
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USED TO DISPLAY THE DIFFERENCE BETWEEN THE STORED
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CHECKSUM AND A CALCULATED CHECK SUM OF THE
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OPERATING SOFTWARE. THE LPU DEFINITION DOES
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NOT CHANGE THE LPU ASSIGNMENT IN THE DEBUG PORT.
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(EXAMPLE: X OR X#2)
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Y (TP3325 ONLY)
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RETURNS NCC LOAD ADDRESS FROM EPROM
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Z (TP3325 ONLY)
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CRASHES APB AND XPB. MAY HANG APB IF THE X.25
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INTERFACE DOES NOT RESET.
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$ PORT A -- ENABLE AUTOCONNECT
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M -- DISABLE AUTOCONNECT
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B -- BUSY
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R -- RESET
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C -- CLEAR
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HARDWARE COMMANDS FOR THE TP3000
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'P' COMMAND DISPLAYS THE STATUS OF A SPECIFIED PERIPHERAL INTERFACE
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DEVICE FOR THE CPU. FOLLOWING IS A LIST OF SOME OF THE MORE USEFUL ADDRESSES
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WHICH CAN BE BENEFICIAL IF TRYING TO RESEARCH A PROBLEM.
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THIS COMMAND IS A READ TO THE SPECIFIED DEVICE. DEPENDANT ON THE DEVICE
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BEING READ (THE ADDRESS), THE TP MAY CRASH.
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COMMAND INTERPRETATION
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======= ==============
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TP3010
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------
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P45 READ CONSOLE READ REGISTER
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(BIT 2 THRU 6 SHOW THE POSITION OF
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THE FRONT PANEL ROTARY SWITCH)
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BIT 0 = NOT TIMEOUT STATUS (SEE P47)
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BIT 1 = NOT PBRST STATE (SEE P47)
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BIT 2 = NOT RESTART
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BIT 3 = NOT MEMORY SAVE
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BIT 4 = NOT TAPE LOAD
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BIT 5 = NOT PROGRAM SAVE
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BIT 6 = NOT DIAGNOSTICS
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BIT 7 = NOT SYSTEM GOOD
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IF BIT 6 THRU BIT 2 ARE ALL SET (EQUAL TO 1)
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THEN THE FRONT PANEL SWITCH IS IN
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THE X.25 LOAD POSITION.
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P47 THIS COMMAND WILL CAUSE THE FRONT PANEL
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ALARM TO SOUND.
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P4D,P4D,P4D,P4D,P4D,P4D,P4D THE LAST RESPONSE WILL PROVIDE THE
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DOWN LINE LOAD EPROM REV. LEVEL
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FOR THE TP3010.
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EXAMPLE 43 = 'C' LEVEL
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TP3005
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------
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P23 BIT 1 = 0 CONFIG MODE
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1 RUN MODE
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4.2X 5.XX COMMENTS
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====== ====== ===========================================
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70 70 LCB VECTOR TABLE
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2 BYTES FOR EACH LINE IN THE TP. IF LINE IS
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NOT DEFINED , THEN ENTRY IS 0000. IF LINE
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IS DEFINED, THEN ADDRESS POINTS TO THE
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LCB (LINE CONTROL BLOCK)
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C0 120 BM CONTROL BLOCK
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C4 124 # CONTROL BUFFERS INITIALIZED
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C5 125 # CONTROL BUFFERS FREE
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C6 126 LOWEST # CONTROL BUFFERS (00 IS NONE LEFT)
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12B POINTER TO THE CONTROL BUFFERS
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CC 131 # BLOCK BUFFERS INITIALIZED
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CD 132 # BLOCK BUFFERS FREE
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CE 133 LOWEST # BLOCK BUFFERS REACHED (00 IS NONE
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LEFT)
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138 POINTER TO BLOCK BUFFERS
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1F1 POINTER TO PROTOCOL ID TABLE
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270 1F0 X.25 LCB
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27E 27E # FRAMES DISCARDED
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27F 27F # CRC ERRORS
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280 280 # REJECTS SENT
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281 281 # REJECTS RECEIVED
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282 282 # T1 TIME OUTS
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283 283 # COMMAND REJECTS SENT
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284 284 # COMMAND REJECTS RECEIVED
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285 285 # DISCONNECTS SENT
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286 286 # DISCONNECTS RECEIVED
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287 287 # SET MODE SENT
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288 288 # SET MODE RECEIVED
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289 289 # FRAME OVERFLOW RECEIVED
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28A 28A # I FRAMES SENT
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28B 28B # I FRAMES RECEIVED
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2B0 230 DMA LCB
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300 270 LCN VECTOR TABLE
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29B MAX. # LCN'S
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32C 29C # OF ACTIVE LCN'S
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7FE 7FE POINTER TO THE END OF THE OPERATING
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SYSTEM. THE NEXT BYTE IS THE BEGINNING
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CONFIGURATION TABLES.
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159 E9 TIME OF DAY CLOCK
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159 E9 1/10 SECONDS
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15A EA SECONDS
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15B EB MIN.
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15C EC HOURS
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15D ED DAYS
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15E EE DAYS
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DCB + 3 XX PACKET REC. STATUS BYTE#1
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00 = READY
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01 = DTE WAITING
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02 = DCE WAITING
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04 = DATA TRANSFER
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08 = DTE CLEAR REQUEST SENT
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10 = DCE CLEAR INDICATION
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20 = DTE RESTART REQUEST
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40 = DTE RESET REQUEST
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80 = DCE RESET INDICATION
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DCB +18 XX POINTER TO NEXT FREE DCB
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VALID ONLY IF THIS IS A FREE DCB
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ITI SPECIFIC LCB INFORMATION
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LCB+27 PHYSICAL STATUS
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X'00' LINE DOWN/INACTIVE
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X'01' LINE HAS BEEN INACTIVATED
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X'02' LINE IS 'BUSY OUT'
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X'04' LINE IS BEING ACTIVATED
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X'08' LINE IS ACTIVE
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X'10' LINE IS BEING INACTIVATED
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LCB+28 TDT2 COMMAND BYTE
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BIT 0 = 1 BUSY LINE
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BIT 1 = 1 CLEAR LINE
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BIT 2 = 1 RESET LINE
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BIT 3 - 7 NOT USED
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LCB+5C # BUFFERS ALLOCATED TO THIS LINE
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LCB+5D DRIVER ERROR COUNTER
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LCB+5E NO BUFFER ERROR COUNTER
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LCB+5F FLOW CONTROL ERROR COUNTER
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LCB+60 PARITY ERROR COUNTER
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LCB+61 OVER-RUN ERROR COUNTER
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LCB+62 FRAMING ERROR COUNTER
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LCB+74 BREAK TIMER
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LCB+75 RING-OUT TIMER
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LCB+76 RING-OUT COUNTER
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DSP 3270 LCB SPECIFIC INFORMATION
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LCB+4F CURRENT NO. SYNC PAIRS INSERTIONS
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LCB+50 CURRENT NO. OF ERROR RETRIES
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LCB+51 CURRENT NO. OF NAK RETRIES
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LCB+52 CURRENT NO. OF ENQ RETRIES
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LCB+53 RECEIVE ACK COUNTER
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LCB+54 TRANSMIT ACK COUNTER
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LCB+55 CTS DROP-ERROR COUNTER
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LCB+56 DCD DROP-ERROR COUNTER
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LCB+5A CURRENT NO. WACK'S
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X780 LCB SPECIFIC INFORMATION
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LCB+4F CURRENT NO. OF SYNC PAIR INSERTIONS
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LCB+50 CURRENT NO. OF ERROR RETRIES
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LCB+51 CURRENT NO. OF NACK RETRIES
|
||
|
|
LCB+52 CURRENT NO. OF ENQ RETRIES
|
||
|
|
LCB+53 RECEIVE ACK COUNTER
|
||
|
|
LCB+54 TRANSMIT ACK COUNTER
|
||
|
|
LCB+55 CTS DROP-ERROR COUNTER
|
||
|
|
LCB+56 DCD DROP-ERROR COUNTER
|
||
|
|
|
||
|
|
|
||
|
|
COMMON DCB INFORMATION
|
||
|
|
|
||
|
|
DCB+6 BITS 5-7 PACKET SEND SEQ. NO. P(S)
|
||
|
|
DCB+7 BITS 5-7 PACKET REC. SEQ. NO. P(R)
|
||
|
|
DCB+8 LCN #
|
||
|
|
DCB+9 BITS 5-7 PACKET SEQ. NO. LAST CONFIRMED
|
||
|
|
DCB+A BITS 5-7 PACKET SEQ. NO. LAST SENT TO NET
|
||
|
|
DCB+B # PACKETS SENT
|
||
|
|
DCB+D # PACKETS REC.
|
||
|
|
DCB+F # RESETS SENT OR RECEIVED
|
||
|
|
DCB+14 # BUFFERS IN HOLD QUEUE
|
||
|
|
DCB+15 TIME VC WAS ESTABLISHED (SSMMHHDD)
|
||
|
|
DCB+31 DESTINATION NETWORK ADDRESS
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
THE FOLLOWING IS A DESCRIPTION OF THE TP3006 X.25 INTERFACE FROM THE
|
||
|
|
SIO TO THE REAR PANEL CONNECTORS.
|
||
|
|
|
||
|
|
SIO CHIP REAR PANEL CONNECTOR
|
||
|
|
+--------------+
|
||
|
|
| |
|
||
|
|
| DTRB |------------------->- DTR 20
|
||
|
|
| TXDB |------------------->- TXD 2
|
||
|
|
| RTSA |------------------->- LDL 13
|
||
|
|
| RTSB |------------------->- RTS 4
|
||
|
|
| DTRA |------------------->- LAL 19
|
||
|
|
| DCDA |---<-----------+--->- CTR 18
|
||
|
|
| | +---<- RLSD 8
|
||
|
|
| RXCA |--+
|
||
|
|
| RXCB |--+-------- ** ----<- RXC 17
|
||
|
|
| | +->- TXCE 24
|
||
|
|
| | ** --+->- RXCE 11
|
||
|
|
| TXCA |----+
|
||
|
|
| TXCB |----+------ ** ----<- TXC 15
|
||
|
|
| DCDB |----------- ** ----<- DSR 6
|
||
|
|
| CTSB |-------------------<- CTS 5
|
||
|
|
| RXDA |----+
|
||
|
|
| RXDB |----+--------------<- RXD 3
|
||
|
|
| CTSA |-------------------<- RI 22
|
||
|
|
| |
|
||
|
|
+--------------+
|
||
|
|
|
||
|
|
< INBOUND SIGNAL
|
||
|
|
> OUT BOUND SIGNAL
|
||
|
|
|
||
|
|
IF DSR AND TXC, THEN USE EXTERNAL CLOCKING. IF DSR AND NO TXC,
|
||
|
|
THEN USE INTERNAL CLOCKING DERIVED FROM THE CONFIGURED LINE SPEED
|
||
|
|
PRODUCED FROM A CTC CHIP). IF THE CLOCKING IS PRODUCED INTERNALLY,
|
||
|
|
THEN THE INTERNAL CLOCK IS ALSO PROVIDED ON PINS 11 AND 24
|
||
|
|
AT THE REAR PANEL.
|
||
|
|
|
||
|
|
FOR THE TP3325, THE NETLINES ALWAYS USE THE EXTERNAL CLOCK SOURCE.
|
||
|
|
THE HARDWARE WAS CHANGED DURING REFINEMENT OF THE MOD ONE XPB.
|
||
|
|
|
||
|
|
IF THE ATTACHED DEVICE IS PROVIDING CLOCKING AND THE TP3025 IS PROVIDING
|
||
|
|
CLOCKING, THE TP WILL DETECT THE CLOCKING AND WILL STOP CLOCKING. IN THE
|
||
|
|
CASE OF THE TP3025 HAVING BEEN RESET AND LOADED, IF A TP3005/3006 IS THEN
|
||
|
|
CONNECTED TO THE INTERFACE, THERE IS A RACE CONDITION WHERE THE DEVICE THAT
|
||
|
|
PROVIDES THE CLOCKING IS ARBITRARY. THE HARDWARE LOGIC REQUIRES A RESET
|
||
|
|
TO OCCUR FOR THE TP3025 TO CHANGE PRIOR SELECTION OF 1) INTERNAL/EXTERNAL
|
||
|
|
CLOCKING AND 2) V35/RS232 INTERFACE AFTER A LOAD.
|
||
|
|
|
||
|
|
THE DEBUG PORT "S" COMMAND WILL RETURN ONE HEX BYTE THAT REPRESENTS
|
||
|
|
THE DATA SET SIGNALS STATUS AT THE SIO CHIP FOR THE DEFINED LINE
|
||
|
|
(E.G. "S2" WILL RETURN THE DATA SET SIGNALS ON LINE 2). THE UPPER HALF
|
||
|
|
OF THE BYTE IS USED TO REPRESENT THE DATA SET SIGNAL STATUS.
|
||
|
|
|
||
|
|
BIT 7 6 5 4 3 2 1 0
|
||
|
|
| | | | ==========
|
||
|
|
| | | | NOT USED
|
||
|
|
| | | |
|
||
|
|
DSR AT THE REAR ---+ | | +--- RTS AT THE REAR PANEL.
|
||
|
|
DTR AT THE REAR -----+ +------ CTS AT THE REAR PANEL.
|
||
|
|
|
||
|
|
THE FOLLOWING IS A DESCRIPTION OF THE DEVICE INTERFACE FOR THE
|
||
|
|
SIO TO THE REAR PANEL.
|
||
|
|
|
||
|
|
SIO CHIP REAR PANEL INTERFACE
|
||
|
|
+--------------+
|
||
|
|
| |
|
||
|
|
| RXD | ------------------------< 2 TD
|
||
|
|
| TXD | ------------------------> 3 RD
|
||
|
|
| DCD | -<-----------+----------< 4 RTS
|
||
|
|
| | +----------> 5 CTS
|
||
|
|
| DTR | ------------------------> 6 DSR
|
||
|
|
| RTS | ------------------------> 8 DCD
|
||
|
|
| RXC | -<--------- ** ---------< 11
|
||
|
|
| | PIO DSR -- ** ---------< 20 DTR
|
||
|
|
| | -- ** ---------> 15 TC
|
||
|
|
| | -- ** --------> 17 RC
|
||
|
|
| TXC | -<--------- ** ---------< 24 TC
|
||
|
|
| CTS | -<----------------------< 18
|
||
|
|
| |
|
||
|
|
| | PIO -----------------< 25
|
||
|
|
| | PIO -----------------> 22
|
||
|
|
| |
|
||
|
|
+--------------+
|
||
|
|
|
||
|
|
WITH DTR TRUE ( PIN 20), RXC (PIN 11) IS CHECKED FOR AN INBOUND CLOCK
|
||
|
|
SIGNAL. IF THERE IS A CLOCK SIGNAL, THEN THE SIO IS CLOCKED EXTERNALLY
|
||
|
|
FROM PIN 11 AND 24. IF THERE IS NO CLOCK ON PIN 11 THEN AN INTERNAL CLOCK
|
||
|
|
SOURCE IS GATED TO THE SIO AND TO PIN 15 AND 17 ON THE REAR PANEL INTERFACE.
|
||
|
|
|
||
|
|
THE OUTPUT OF THE DEBUG PORT 'S' COMMAND DISPLAYS ONE HEX BYTE THAT
|
||
|
|
IS A COMPOSITE OF THE DATA SET SIGNALS FROM THE PIO AND SIO CHIPS. THE
|
||
|
|
OUTPUT BIT DEFINITIONS ARE THE SAME AS THE X.25 LINE BUT A NOTE NEEDS
|
||
|
|
TO MADE THAT THE X.25 IS A DTE INTERFACE AND THE DEVICE LINES ARE A
|
||
|
|
DCE INTERFACE. THE UTILIZATION OF THE INBOUND RTS/CTS MAY NOT BE
|
||
|
|
REQUIRED FOR THE TP TO MAINTAIN THE INTERFACE.
|
||
|
|
|
||
|
|
PINS 22 AND 25 ARE PAD DEPENDANT SO THEY MAY BE USED FOR
|
||
|
|
DIFFERENT FUNCTIONS THAN THOSE EXPECTED.
|
||
|
|
|
||
|
|
ALL NUMERIC VALUES ARE IN HEX.
|
||
|
|
COMMAND STRINGS CAN BE USED WHILE IN THE DEBUG PORT.
|
||
|
|
|
||
|
|
==============================================================<
|
||
|
|
| XCB DIRECTORY TABLE (two bytes per entry) >
|
||
|
|
| DEBUG |LOGGER| X.25 #0 | X.25 #1 | X.25 #2 | X.25 #3|.......
|
||
|
|
L70,R24 | DCB | DCB | XCB | XCB | XCB | XCB | >
|
||
|
|
|===============================================================>
|
||
|
|
| | | | | |
|
||
|
|
XCB#0 XCB#1 | XCB#2 XCB#3 | XCB#4 XCB#5
|
||
|
|
| | | | | |
|
||
|
|
+->>---------------->>-+ | | +>>+ | |
|
||
|
|
| | | | | |
|
||
|
|
| +<<----------------<<-+ L76,R2 | | L7A,R2
|
||
|
|
| | | |
|
||
|
|
| | L74,L,R80 | +<<---+ L78,L,R80
|
||
|
|
| | | |
|
||
|
|
| +------------->>--------------> | +--------->>------------->
|
||
|
|
| | XCB >> > | | XCB >> >
|
||
|
|
| +------------->>--------------> | +--------->>------------->
|
||
|
|
| | XCB+2D | | XCB+2D
|
||
|
|
| | +>>+ |
|
||
|
|
| +-<<---------------+ | +-<<-------------+
|
||
|
|
| | | |
|
||
|
|
| | L(XCB+2D),L,R((MAX.LCN*3)+3) | | L(XCB+2D),L,R((MAX.LCN*3)+3)
|
||
|
|
| | | |
|
||
|
|
| +------------------>>--------> | +------------------>>-------->
|
||
|
|
| | LCN VECTOR TABLE >> ABCCDD > | | LCN VECTOR TABLE >> ABCCDD >
|
||
|
|
B |3 BYTES PER ENTRY >> ====== > B |3 BYTES PER ENTRY >> ====== >
|
||
|
|
| +------------------>>--------> | +------------------>>-------->
|
||
|
|
| | | |
|
||
|
|
+--CC->> TRUNK LCNS -----> | +--CC->> CONCENTRATOR LCNS |
|
||
|
|
| |LCN0 |LCN1 |... | | |LCN0 |LCN1 |... |
|
||
|
|
| +--->>--+ |
|
||
|
|
| |
|
||
|
|
| THREE BYTE LCN ENTRY ==> AB CC DD |
|
||
|
|
| = == == |
|
||
|
|
| | | | |
|
||
|
|
| XCB NUMBER ----+ | | |
|
||
|
|
| LCN NUMBER ------+ +---- LCN TIMER |
|
||
|
|
| |
|
||
|
|
| |
|
||
|
|
+-<<-----------------------------------------------------<<-------+
|
||
|
|
|
||
|
|
** CC IS THE LCN NUMBER IN XCB B. B IN XCB #0 WILL POINT TO
|
||
|
|
== = =
|
||
|
|
XCB #4 IN THIS EXAMPLE. CC IN XCB #0 WILL GIVE THE LCN NUMBER USED IN
|
||
|
|
==
|
||
|
|
THE LCN VECTOR TABLES FOR XCB #4.
|
||
|
|
|
||
|
|
|
||
|
|
1) XCB OFFSETS DEFINITION
|
||
|
|
|
||
|
|
XCB + 09 CONTROL DATA SET SIGNAL STATUS
|
||
|
|
BIT 4 = 1 RTS HIGH
|
||
|
|
5 = 1 CTS HIGH
|
||
|
|
6 = 1 DTR HIGH
|
||
|
|
7 = 1 DSR HIGH
|
||
|
|
THE S COMMAND RETRIEVES THIS LOC.
|
||
|
|
XCB + 0B POINTER TO LINE CONFIGURATION RECORD.
|
||
|
|
|
||
|
|
XCB + 0E NUMBER OF FRAMES DISCARDED.
|
||
|
|
XCB + 0F NUMBER OF CRC ERRORS
|
||
|
|
|
||
|
|
XCB + 10 NUMBER OF REJECTS SENT
|
||
|
|
XCB + 11 NUMBER OF REJECTS RECEIVED
|
||
|
|
|
||
|
|
XCB + 12 NUMBER OF T1 TIMEOUT
|
||
|
|
|
||
|
|
XCB + 13 NUMBER OF COMMAND REJECTS SENT
|
||
|
|
XCB + 14 NUMBER OF COMMAND REJECTS RECEIVED
|
||
|
|
|
||
|
|
XCB + 15 NUMBER OF DISCONNECTS SENT
|
||
|
|
XCB + 16 NUMBER OF DISCONNECTS RECEIVED
|
||
|
|
|
||
|
|
XCB + 17 NUMBER OF SET MODE SENT
|
||
|
|
XCB + 18 NUMBER OF SET MODE RECEIVED
|
||
|
|
|
||
|
|
XCB + 19 NUMBER OF FRAME OVERFLOW
|
||
|
|
|
||
|
|
XCB + 1A NUMBER OF I FRAMES SENT
|
||
|
|
XCB + 1C NUMBER OF I FRAMES RECEIVED
|
||
|
|
|
||
|
|
XCB + 24 FLAG BYTE
|
||
|
|
BIT 0 = 1 DCE-TO-DTE FLOW INIT
|
||
|
|
1 = 1 DTE-TO-DCE FLOW INIT
|
||
|
|
2 = 1 LINK RESET (DISC. OR SETMODE SENT
|
||
|
|
3 = 1 DCE BUSY ( RNR SENT)
|
||
|
|
4 = 1 IN TIMER RECOVERY
|
||
|
|
5 = 1 SENT INTERNAL RESET. LAP RE-INIT.
|
||
|
|
6 = 1 SET POLL BIT IN NEXT FRAME.
|
||
|
|
|
||
|
|
XCB + 27 LINE STATUS
|
||
|
|
BIT 0 = 1 NOT ACTIVE
|
||
|
|
1 = 1 DEACTIVATED
|
||
|
|
2 = 1 BUSY-OUT
|
||
|
|
3 = 1 ACTIVATING
|
||
|
|
4 = 1 ACTIVE
|
||
|
|
5 = 1 DEACTIVATING
|
||
|
|
|
||
|
|
XCB + 2B MAX. LCN PERMITTED
|
||
|
|
XCB + 2C CURRENT NUMBER OF LCN IN USE
|
||
|
|
XCB + 2D POINTER TO THE LCN VECTOR TABLE
|
||
|
|
|
||
|
|
XCB + 47 'DISABLE/ ENABLE/ CLEAR COMMAND.
|
||
|
|
NOT OPERATIONAL AT VERSION 1.01.
|
||
|
|
01 - BUSY
|
||
|
|
02 - CLEAR BUSY
|
||
|
|
04 - RESET LINE
|
||
|
|
|
||
|
|
2) LCN VECTOR TABLE.
|
||
|
|
( XCB + 2D ,L,A (LCN ADDRESS),R3)
|
||
|
|
LCN ADDRESS = (LCN * 3)
|
||
|
|
|
||
|
|
LCN + 0 BITS
|
||
|
|
0-3 - XCB DIRECTORY NUMBER.
|
||
|
|
4 - INIT CLEAR TIMER ON
|
||
|
|
5 - CLEAR INDICATION SENT
|
||
|
|
6 - CALL REQUEST SENT
|
||
|
|
7 - LCN ACTIVE
|
||
|
|
LCN + 1 LCN NUMBER
|
||
|
|
(SEE LCN + 0 , BITS 0-3 TO GET XCB NUMBER)
|
||
|
|
LCN + 2 TIMER FOR LCN.
|