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Trailing-Edge - PDP-10 Archives - klad_sources - klad.sources/dskag.txt
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;DSKAG







				IDENTIFICATION
				--------------

	PRODUCT CODE:		AH-E309A-DD

	DIAGNOSTIC CODE:	DSKAG

	PRODUCT NAME:	 	DSKAGA0 DECSYSTEM 2020 BASIC
				INSTRUCTION DIAGNOSTIC (7)

	VERSION:		0.1

	DATE RELEASED:		MARCH 1978

	MAINTAINED BY:		DIAGNOSTIC ENGINEERING

	AUTHOR:			JOHN R. KIRCHOFF

		        COPYRIGHT (C) 1978

	        DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.

	THIS SOFTWARE IS FURNISHED UNDER A LICENSE FOR  USE  ONLY  ON  A
	SINGLE COMPUTER SYSTEM AND MAY BE COPIED ONLY WITH THE INCLUSION
	OF THE ABOVE COPYRIGHT NOTICE.   THIS  SOFTWARE,  OR  ANY  OTHER
	COPIES  THEREOF, MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE
	TO ANY OTHER PERSON EXCEPT FOR USE ON SUCH SYSTEM AND TO ONE WHO
	AGREES  TO  THESE  LICENSE TERMS.  TITLE TO AND OWNERSHIP OF THE
	SOFTWARE  SHALL  AT   ALL  TIMES  REMAIN  IN  DIGITAL  EQUIPMENT
	CORPORATION.

	THE INFORMATION IN THIS DOCUMENT IS SUBJECT  TO  CHANGE  WITHOUT
	NOTICE  AND  SHOULD  NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL
	EQUIPMENT CORPORATION.

	DIGITAL EQUIPMENT CORPORATION ASSUMES NO  RESPONSIBILITY FOR THE
	USE  OR  RELIABILITY  OF  ITS SOFTWARE IN EQUIPMENT WHICH IS NOT
	SUPPLIED BY DIGITAL EQUIPMENT CORPORATION.
							MAINDEC-10-DSKAG.TXT
							PAGE 2


			TABLE OF CONTENTS
			-----------------

1.0	ABSTRACT

2.0	REQUIREMENTS

2.1	EQUIPMENT

2.2	STORAGE

2.3	PRELIMINARY PROGRAMS

3.0	PROGRAM PROCEDURES

3.1	LOADING PROCEDURE

3.2	STARTING PROCEDURE

3.3	OPERATING PROCEDURE

4.0	ERRORS

5.0	ITERATION COUNTER

6.0	CYCLE TIME

7.0	OPERATIONAL VARIATIONS

8.0	MISCELLANEOUS

9.0	LISTING
							MAINDEC-10-DSKAG.TXT
							PAGE 3


1.0	ABSTRACT

	THIS DECSYSTEM 2020 KS-10 BASIC INSTRUCTION DIAGNOSTIC IS
	THE SEVENTH IN A SERIES OF DECSYSTEM 2020 KS-10 PROCESSOR
	DIAGNOSTICS.  THE DIAGNOSTIC TESTS THE PUSH, POP, XCT,
	AND BASIC SHIFT/ROTATE INSTRUCTIONS.

	THE DIAGNOSTIC TESTS THE BASIC FUNCTIONALITY OF THE PROCESSOR
	AND MICRO-CODE.

2.0	REQUIREMENTS

2.1	EQUIPMENT

	A PDP-10 SM10 WITH A MINIMUM OF 32K OF MEMORY

	CONSOLE PROCESSOR
	CONSOLE TELETYPE

2.2	STORAGE

	THE PROGRAM RUNS WITHIN 32K OF MEMORY.

2.3	PRELIMINARY PROGRAMS

	CONSOLE FUNCTIONS WORKING PROPERLY
	PREVIOUS PROCESSOR DIAGNOSTICS
							MAINDEC-10-DSKAG.TXT
							PAGE 4


3.0	PROGRAM PROCEDURES

3.1	LOADING PROCEDURE

	LOAD VIA CONSOLE PROCESSOR

3.2	STARTING PROCEDURE

	STAND-ALONE STARTING ADDRESS IS 30000.

	IF THE DIAGNOSTIC FAILS TO START CORRECTLY TRY STARTING AT THE
	FIRST TEST INSTEAD OF AT THE BEGINNING OF THE CONTROL SEQUENCE.
	(SEE LISTING).

3.3	OPERATING PROCEDURE

	ONCE STARTED THE PROGRAM WILL CYCLE CONTINUALLY UNTIL STOPPED
	OR AN ERROR OCCURS.

4.0	ERRORS

	ERRORS ARE IN THE FORM OF HALT INSTRUCTIONS.  THE LISTING
	SHOULD BE CONSULTED TO DETERMINE THE CAUSE OF THE ERROR.  A
	NO OPERATION (JUMP) INSTRUCTION FOLLOWS EACH HALT.  THIS
	MAY BE USEFUL IN CONSTRUCTING A SCOPE LOOP TO CYCLE ON THE
	FAILING INSTRUCTION.

5.0	ITERATION COUNTER

	THE ITERATION COUNT OF THE PROGRAM CAN BE DETERMINED BY
	EXAMINING 30047 "PASCNT".

6.0	CYCLE TIME

	THE CYCLE TIME OF THE PROGRAM IS IN THE MILLISECOND RANGE AND
	IS THEREFORE SUITABLE FOR TAKING MARGINS, VIBRATION TESTS, ETC.

							MAINDEC-10-DSKAG.TXT
							PAGE 5


7.0	OPERATIONAL VARIATIONS

	A.  DIAGNOSTIC MONITOR

	    THE PROGRAM IS USABLE WITH THE DIAGNOSTIC MONITOR TO PRO-
	    VIDE RELIABILITY TESTS, ACCEPTANCE TESTS, AND/OR TO PRO-
	    VIDE A QUICK METHOD OF ISOLATION OF A FAULT TO A PARTICULAR
	    AREA OF THE PROCESSOR.  CERTAIN PROCEDURES ARE USED WHEN
	    THE PROGRAM IS USED IN THIS MANNER.  THEY ARE:

	    1.  THE DIAGNOSTIC MONITOR TRANSFERS CONTROL TO THE PRO-
		GRAM AND STARTS IT AT LOCATION 30002.

	    2.  MONCTL - LOCATION 30043 IS USED AS THE DIAGNOSTIC MON-
		ITOR CONTROL FLAG WORD.

	B.  USER MODE

	    THE PROGRAM WILL OPERATE IN USER MODE AND AS SUCH PROVIDES
	    ASSURANCE THAT THE PROCESSOR IS PERFORMING ALL FUNCTIONS
	    CORRECTLY.  USER MODE STARTING ADDRESS IS 30000.

	C.  SYSTEM EXERCISER

	    STARTING ADDRESS IS 30003.  NO DATA SWITCHES ARE USED BY
	    THIS PROGRAM.

8.0	MISCELLANEOUS

	NONE

9.0	LISTING