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MAINDEC-11-D1BA

March 1979

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Document:	BASIC ADDRESS TEST DOWN Mar70
Order Number:	MAINDEC-11-D1BA
Revision:	0
Pages:	6
Original Filename:	http://bitsavers.org/pdf/dec/pdp11/xxdp/diag_listings/memory/MAINDEC-11-D1BA_BASIC_ADDRESS_TEST_DOWN_Mar70.pdf

OCR Text

IOENTIF'ICATION

PROOUCT CODEI

MAINOEC .. 11.01BA

PRODUCT NAME.

iASIC ADDRESS TEST (DOWN)

DATE CREATED'

MARCH 30, 1970

MAINTAINERI

DIAGNOITICGROUIt

AUTHOR.

JOHN AOO£NHIS£A

M'JN[)EC~t1~01B4

PAGE 2

ABSTRACT
THIS T£ST DEMONSTRATES THAT THE S£~ECT£O MeMO~Y TEST
AREA IS CAPAB~E or 9A$lC READ AND WRITt opeRATION WHEN
ADDRESS ~ROPAGATION IS DOWNWARD T~ROUGH MeMORY. THIS
TESf IS A COMPANION TEIT TO T~E BASIC AOD~rss TEST (UP).

REQUIREMENTS

t.l

[QUI~MtNT

POP-11/20
2.2

STORAGE

2.2.1
3.

PROGRAM STORAGE. THE ROUTINE OCCUPIES MEMORY
~ROM 1'J0~ TO 11412
LOAOIN~ PROCEDURE

3.1

METJofoD
pROCEDURE rOR NORMAL B!NARY T'PES SHOULD 8£ ,OLLOWED.
1.

2.
3.
4.

ABSOLUTE ~OADER MUS' BE IN MEMORY.
PLACE 81NARY TAPE IN READER.
LOAD ADDRESS 1',e.~
pRESS "START" (PROeRAM WJLL LOAD),

STARTING PRoceDURE

•• 1

CONTROL SWITCH SETTING
N/A

•• 2

STARTING AODRiSS OR ADDRESSES
1'312121

•• 3

PROGRAM ANDIOR OPtRATO~ AOTION
LOAD P~OGRAM INTO M£MO~Y.
SET SWITCH REGISTER TO STARTING ADDRESS.
1.0AO ADDRESS.
flRE5S START.
T~E PROGRAM WILL TEST SELECTED MEMORY AREA
4NO LOOP,

)

MAINDEC"11-D1BA
PAG~

CPERA T l\G PROCEDURE
CPERATlaNA~ SWITC~

SETTINGS

",I,

5.2

SUBROUTIN~

5.3

PROGRA~

,,3.1

ArTER T~E PRO~RAH IS LOADED THt TEST ~IMIT BOUNOARIES MAY
BE MODlrrto AS ~OLLOWSI
A, LOAD LOCATION 17410 (TAGGED AS STADO) WITH THE
HIGH TEST LIMIT eOUNDARY,

ABSTRACTS

ANDIOR OPERATOR ACTION

LOAD LOCATION 17.11 (TAGGtD AS LODOWN) WITH THE LOw LIMIT
BOUNDARY ADDRESS 0' THE TEST. (SEE
,OA O'ERATIONAL
RESTRICTION)
LOAD AND START AT 17~10. " AN ERROR OCCURS THE PROGRAM
wILL HOVE THE ERROR AOOREI$ TO THE REGISTER. AND HALTi
,T T~IS TIME T~£ ERROR ADDRESS MAY Sf DETERMiNED IV [~AM.

'.a

THING 177700

[RRORS

6.1

ERROR RECOVERY

CR~).

OEPR£SS CONTINUE '0 RE.TARt SECTtON
7.

RESTRICTIONS

;.1

STARTING RESTRICTION
NONE

)

OPERATIONAL RESTRICTION
00 NoT ExTENO THE LOWE~ LIMIT 0' THJS TEST 8E~OW l0a A$ 'HE
LOCATIONS IN THIS AREA ARE RES[RV£D AS TRA' & VECTOR LOCATIONS.
8.

M.ISC(~~ANEOUS

[)(ECUTIO~

TIME

MAINOEC·11-01SA
pAG.E 4

PROGRAM DESCR1PTION
T~E 8ASIC ADDRESS TEST (OOWN) IS A COMPANION TEST TO T~E BASIC
ADDRESS TEST (UP), AND VERIrJES THAT THEM£MORY AREA T[STEO IS

CAPABLE Or BASIC REAO~wRrTE OPtRATIQN$ WHEN ACDRES'JNG JS DOWN.
WARD THROUGH M[MORY. THE TEST RESIDES IN THE UPPE~ [NO 0' THE
BASIC 4K (WORO) CONrJGURATION AND WRJT~S TME AOOR!SS 0' EACH
LOCATION INTO fTSEL~. OOWNWARO THROUGH MEMORY. OO.NOT EXTEND
T~E lOWER LIMIT or T~£ TEST BELOW 1~0 AS THE LOCATIONS BELOW
100 ARt RES[RV[O AS TRAP AND VECTOR LOCATIONS, A'TER WRJTING
DOWN fWE PROGRAM REAO-CHECKS SACK UP THROUGH THE MEMORY TEST
AREA~ IF AN ERROR oceu.s~ THE PROORA~ WILL HAL' wITH THE [_ROR
ADDRrSS oISPLAYED IN T~t CONSOLE SWITCH REOIST£R~ A CONTINUE
FROM T~E tRRoR HALT WILL ALLOW THE PROGRAM TO RESUMf TCSTING,

ie.

LISTiNG

pAue11

V~03

3.37

2-APR-10

pAGE 1
.8ASIC AOORESS TEST (DOWN)
JeOPY~IGIo4T 1910. OIGIT'~ EQUIPMENT CORP •• MAYNARD, MASS.
NOP·~00243

~1730a

,'17300

iZ'173~0

226727

e'17306
e17310

121340~
~~0000

~1'1312

2117314
017322
21'324
;;111326
2I1'!30
317334
011336
01'340
011342
217344
2117346
01'352

211'354
Z17356

01'360
21'362
211366
011370
017372
01737.
017376
011400
01'402
017404
01'406
01'4ie

t.·:· , . =

3 'J24(:,

0213772
226767

e00102

0021070

017300

STOl(l

5T,00,.STOI<
,.6

BLO

STet(
1..000WN,ST'DO
BEGTST

STet(
STACC,XJ

SR
CMP

0"0064

1~3402

~'LT

~ ~~0000

eC0764
016703
0iJ0401

CMP

81..0
t-IALT

tH~'7'~

BEGTSTI MOY
SR
OWNTST, TST

010313

MOY

00f1052

TIT
BEQ

130"03

0"140~

020367
1013'1
,,20240

"".e36

READU"

0Z031~

0~1"e7

02036'
103402
000240
000142
00'72~

000766

01831"

008"0"
1Zl0e76~

017276
001208
0000el

"0""20

REAOUP
X3.LOCOWN
OWNTST

CMP

X3, •• ~

eNE

ERROR

BHI
NOP

NOP

ERRORI

.3,.,,3

eM'

CTINUE, C/I4P
BLO
INCRHI

,·4

.c~)

"~.ST.OO

INCRM

STet<

R£4DUP

TIT
HOV
IoIALT

STADD' STCt<;'Z
LODOWN' 21.
.END

(~).

"3,'"

cTINUE

ILODOWN MUST BEL STARTINC ADDRCSS

'OK

'HALT, WAIT 'OR ,!X
'LOOP TO S'A~TCHECK
IC£T S"RT ADDAESS
'SKIP DECREMrN'£R
'DeCREMENTING, TNA!S ALL
'WRJTING
.TEST R3 'OR LOC •
"T.RT REAO I' R3.~
,QKN e31 R3 AGAINST LOW ADQRES,
.LOOP
'READING
.R3 BACK TO START ADDREss YETt
,NO. GO INCREMENT R~
.TEST COMPLETE
J REPEA" TEST
.
'JUST INCRMTING
'Loctt
ICOPY IN Re ,o~ HAL' DISPLAY
'CONTINUE 'ROH ERROR ,~AL T

PAL.,X11

8EGTST
r.T!NUE
nWNTST
ERROR

01.1J3~

017362
~2'1 7336
017400

INCR~

01737~

LOOowN

01141t'1

NOP

el00240

R(.40U P

STAOO

STet<
£R~ORS

V003

017~54

017400
01731210

DETECT[OI 121

RUN-TIME'

0 SECONDS

4K CORE USED

3.31