Digital PDFs

MAINDEC-12-D0GA-D

December 2000

18 pages

Original

0.6MB

Document:	maindec-12-d0ga-d
Order Number:	MAINDEC-12-D0GA-D
Revision:
Pages:	18
Original Filename:	https://svn.so-much-stuff.com/svn/trunk/pdp8/src/dec/maindec-12-d0g/maindec-12-d0ga-d.pdf

OCR Text

IDENTIFICATION

PRODUCT

CODE:

mmnEc—lz—DaGA—A

PRODUCT NAME:

PDP-lZ

DATE CREATED:

.APRIL

MAINTAINER:

DIAGNOSTIC

AUTHOR:

WALTER MANTER

TAPE

QUICKIE

21,_197¢
GROUP

ABSTRACT.
The Tape Quickie Diagnostic is designed
major register information flow through

maintenance instructions.
(Tape Buffer Added

'shifting

the

used

Test

are

Also

provide
of

included is

Tape Accumulator)

to
use

tape Read—Write Buffer.

and

the

test

tape

addition test
test

the

The Lefit and Right Switches

Data.

REQUIREMENTS
EQUIPMENT
standard basic PUP-12

A-TC-lZ,

PDP—12

'A.ASR—33

Teletype

PRELIMINARY

lino-tape
or

controller.

equivalent.

PROGRAMS

PDPéS and 12 mode basic instruction diagnostics and
exercisers must have been successfully run prior to running

All
the

(The processor should be solid)

program.

PROCEDURE

METHOD

This

A)
'

program must be

loaded with

rim loader.

the

With the RIM loader program in memory, place the perforated
tape which must be in RIM format in the perforated-tape
_reader.

nake_sure that the "ARS—33 is

Place

Set

the

Set

the mode

Depress I/O Reset.

Press

Move

Stop the Reader

the

right

the
the

starting

address

switches

switch to

Start

reader

Left

7756

in the

left

flflfifla.
mode.

Switches.

control
at

line.

the

switch to
end

the

START.

Tape.

switch register.

STARTING PROCEDURE

The setting

the

right and

left,

sense

switches

not

critical to the starting procedure.

Set the mode

Depress I/O preset.

Depress

The

program is

CONTROL

There
the

are

SNSfl-Z

Mode

START

running;

SWITCH

sense

switch to Linc-

consult the

test

descriptions

SETTINGS

optional modes of operation which
fi-Z.
They are:

are

determined by

switches

loop through program

SNSfi

loop major register

SNSl

loop addition

SNSZ

loop shift read-write buffer

Right switches
Left

for

listing

switches

Data

all

(TB

tests

TAC)

test
test

tests.

for TB TAC Test

than one sense switch is depressed at any time, the program
loop in the portion of the program affected by the first sense
switch depressed until such time it is reset.
The operator can
change the setting of the left and right switches from ls to 65
If more

will

and back while
MAINTENANCE

the

program

INSTRUCTION

SET

running.

USED

CODE

MODE

OPERATION

6151

PUP-8

Load

maintenance

The contents of the processor ACCUMULATOR bits 6, l, 2, 3, are
loaded as a command into the maintenace instruction register.
The command will be executed if and only if the transfer IOT
6154 is generated.
6152

PDP-B

Tape register clock

6154

PDP-8

Transfer

you

above

are not familiar with the maintenance
list of them and the various functions

Appendix

instruction IOT's,
are included in

the

ERROR‘HfiLmS

In.the.ewent an eror occurs, the program will halt with the
information received from the tape controller in the
accumulator.
This should be compared with the index
register/registers containing a copy of the bit pattern
transferred to the tape controller and associated with the
particular test to determine what bit/bits were dropped or

spicked.up.

ADDITIONAL INFORMATION
A-copy of the
for

those

not

loader program is
familiar with it.

RIM

included in

Appendix

APPENDIX A

TAPE

IOT

INSTRUCTIONS

MSC. 3 TAC TO AC
I

MSC

AC TO

TMA SETUP

6151

IOT
AC

BIT

FUNCTION

Maint

Inst

To Maint

Inst

Hrdu3m~40\U1bthFWS

Reg
Reg
To Maint Inst:Reg
To Maint Inst Reg
Clear Tape Done
Skip on Tape Done
Generate TTfl
Generate TT3
Simulate Mark

H‘Q

6152

IOT

Input
Input
Input
Input

Simulate Data 1
Simulate Data 2
Simulate Data 3

BIT

FUNCTION

Tape Preset
Shift RWB

Hr~u>m~uawm.>oamrauz

H‘Q

RWB

TAC

Set

Tape Word
8 Tape

Set

Unit

Set

BKWRD

Set

Write SYNC

Set

Tape

Set

Write

MOTN

APPENDIX A cont

IOT
CONTENTS MAIT
INST
REG

gag
gag
.Qfll'
Ugl
fllfi
'glfi
fill
fill
lfifi
lflfi
lfll
1g1
11¢
11¢
111
,111

6154_
ACTION

Ae To

.Ac

To TAc
TO TMA
TMA SETUP TO Ac
-TBN To AC

GNU
-1

.1U

RWB

;¢U
,1

aéfl
'

:Ag

TO AC

“11

TO TBN

TO AC
“MARK WINDOW TO Ac
'STATES T0 AC
JUNITS + MIN To Ac
.TINST To.Ac
”MISC STATUS 1 To AC

';1

.MIcs

,:H

”TMA To.Ac

‘:1

NOT

STATUS
USED

APPENDIX

PROGRAM

—

RIM

ILOADER

Program Listing
Abs.

'Octal.

Addr.

Contents

Tag

Instruction

6032

7757

6031

KSF

7760
7761
7762

5357
6036
7106

JMP

7763
7764

7006
7510
5357
7006
6031
5367
6034
7420

RTL

3776
3376
5356

DCA

7766
7767
7770
7771
7772
7773

7774
7775
7776
7777

BEG,

KRB

CLL

RTL

SPA

JMP

BEG+1

RTL

/Ch8 in ACO
/checking for leader
/found leader
/OK, Ch7 in link

KSF
JMP

KRS
SNL
I

TEMP

DCA TEMP
JMP BEG

0
JMP

/c1ear AC and flag
1
/skip if flag
/looking for char
/read buffer

{CC

7756

7765

Comments

TEMP

start

loader

of bin
0

/read, do not clear
/checking for address
/store contents
/store address
/next word
/temp storage

DQQQ

gag

TZGQ
2600

Sidl/

SGQB
bfififl

QMZG
9Q®B

[@flfi.

HdVi BIMOIHD DBONIVN v-vaoo-aI
HOHinV/
HHLWVM HBLNVN
H1NIV1NIVH/
OIlSONSVIG dooas
iHBIHAdOQ/ 'flLéI IvIIQIO lNEHdInDB 'OHVNAVN”"dHOD
91531/ HOPVW HELSISBB NOIiVNaOJNI M013
HSDOHHL/ asn so 3H1 BONVNBLNIVN LSNI
saalsxoaa/ GBLSBL NI 33030 :3av
-

@TQG

3v1/

TIGG

81/
ema/

8166

QTBQ
bTQZ

NEL/

QTGE
9T®fl

VNi/

'ssvw

vwix

dfliBS

NOILIGGV DVL+8l 01 av;
031V/ lJIHS 40 ama
OSIV/

LTZZ

-ZZ@0
TZBZ
220%
236%
#800
SZBB
9266

‘
'

BSNES/ $3H3;IMS a-z WOHLNOO 3H; 300w 40 NOILVHEdO
z d001 3811MB wvaooad
SNS/ 2+0
I d001 33151933 aEJSNVHl SLSEL
SNS/ a
I d001 NOILIGGV L831 (ovxel)
SNS/ T
SNS/ Z
I d001 lJIHS emu 133i (SMHHS)
-

lOEPE

0381330

D927
DDSD

LMODE

6051“

#28

@032

@055

/TTAC TEST
TRANSFER CONTENTS OF THE
/PROCESSC+ AC TO THE TAPE ACCUMULATOR
/READ IT SACK AND TEST FOR DISCREPANCY
/THE BIT PATTERN IS DETERMINED BY THE
/LEFT SWITCHES
IPROCEED TO NEXT TEST IF NO ERROR
a

@354

@035

DUSO
@957
3643

‘

D041

@942
@043
$044
@645
@646
@047.
2350

DD51
DD52
DD53
DDS4
0055
D056
@057
006D
D061
DD62
0963

~MD2M
@DZl
mazz
@923
@624
ewes
@026
ww27
@039
@051

Ddll
162D

IDDD
@568

6151
@517

CLR
LDA I
1239

103
6151

124D

LSH
STA

321D

EDDD
6154

109
6154
cm
TAC
SAE
19

@032
mass
@034

fiDll
DDD3

DfiéS

”$10
0929
D816

@036
@257

TTAC»

144%

HLT
NOP

EJECT

/CLEAR THE AC
ILOAD THE AC
/BIT 2 SET
IEXECUTE IN 8 MODE
/TRANSFER OF AC TO TAPE MAINTENANCE REGISTER
ISELECT BIT PATTERN DESIRED HITH LEFT SWITCHES
/STORE A COPY OF THE BIT PATTERN
IIN INDEX REG 16
/EXECUTE IN 8 MODE
/TRANSFER OF AC TO TAC

/CLEAR THE AC
ITRANSFER THE TAC TO THE AC
/COMPARE THE BIT PATTERN IN THE AC
/HITH THE COPY IN IR 19
THE CONTENTS OF THE AC NOT EQUAL
/ERROR
ICAN INSERT JMP COMMAND T0 LOOP TEST
-

TRANSFER THE CONTENTS OF THE
/PROCESSOR AC TO THE TAPE BUFFER
/READ IT BACK AND TEST FOR DISCREPANCY
/THE BIT PATTERN IS DETERMINED BY THE
/LEFT SWITCHES
/PROCEED TO NEXT TEST IF NO ERRORS
/TB

fl®40
DD41
WQ42
$243

@311
QBQB
olbl

TB:

CLR
108
0151

/CLEAR

THE

AC
IN 8 MODE
/TRANSFER OF CLEAREO

/EXECUTE

MAINTENANCE

LSH

OD44

0517
1342

DO45

$019

Case
$852

flSZQ
945$

91§4

OOSO

1$2@'

LOA I

/S£LECT BIT PATTERN DESIRED NITH LEFT SNTTCHEs
xsTORE A COPY OF BIT PATTERN
/IN I.R 1E
IEXECUTE 1M 8 MODE
/TBANSFER QF Ac TO TB
[LOAD THE Ac

DD51D052
$353
E®b4

éfiflfl

éfiwfl

IBITS,1

'ESZQ
6151

108
5151
CLR
108
6154
SAE

/EXECUTE IN 8 MODE
/TRANSFER OF AC TO MAINTENANCE REGISTER

@Z57‘
066$
DD61

flfill
353%
6154
144$
601$
ZEZB

@062

@016

DOSE
Ewbé

STA

I08

AND

SET

/CLEAR THE AC
lEXECUTE IN 8 MODE

HLT

/TRANSFER OF T8 T0 Ac
/COMPARE THE BIT PATTERN IN THE Ac
/NITH THE ORIGIONAL BIT PATTERN IN IR 10
/ERROR
CONTENTS CF AC NOT EQUAL To IR

NOP

[BAN

EJECT

INSERT JMR COMMAND TO LOOP TEST

@121
TRANSFER

CONTENTS

@122

lRNB

@123

TO TAPE BUFFER
/TRANSFER TAPE BUFFER TO
ITAPE READ WRITE BUFFER
/TRANSFER TAPE READ WRITE BUFFER TO
/PROSCESSOR AC
/TEST BIT PATTERN RECIEVED FOR DISCREPANCY
/THE BIT PATTERN IS DETERMINED BY THE
/LEFT SWITCHES
/IF NO ERRORS CONTINUE TO NEXT TEST

PROCESSOR

/AC

@124
@125

@126
3127

@132
9131
@152
@165

@134

@135
3136

3253
£664

3211
aswm

0167

0265

5151

CLR
IOB
6151

@140
01%;
3142
D143
9144
@145
O146
O147
9155
@151
@152
9153
0154
9155
9156
$157

0169
$161

@162
@163
@154
@165

RHB.

£266

@517

LSH

9957

1w40

STA

327a

mw1a
m5@@
6154

2271

2372
{273

5274
£675
EE76
5677
2102
3191

@122
2133
9194

1923
lOOO
@599
6152
1020

340%
Usna
6151
we11
@509

21653 5154

3136
1127

144a
@010

611%

OODZ
$016

6111

108
6154
LDA I
1099
108
6152
LDA I
34@@
108
6151
CLR
103
6154
SAE
10

HLT
NOP

EJECT

ICLEAR THE AC
IEXECUTE IN 8

MODE
OF CLEARED AC TO MAINTENANCE REGISTER
/SELECT BIT PATTERN DESIRED WITH LEFT SWITCHES
/STORE A COPY OF BIT PATTERN
/IN IR 19
/EXECUTE IN 8 MODE
/TRANSFER OF AC T0 TAPE BUFFER
/LOAD THE AC
/BIT 2 SET
/EXECUTE IN 8 MODE
/TRANSFER OF TB TO RHB
/LOAD THE AC
IBITS 1n 2 AND 3 SET
IEXECUTE IN 8 MODE
/TRANSFER OF AC TO TAPE MAINTENCE REGISTER
/CLEAR THE AC
/EXECUTE IN 8 MODE
/TRANSFER OF RNB TO AC
ICOMPARE THE BIT PATTERN IN THE AC
/NITH THE ORIGIONAL BIT PATTERN IN IR 10
IERROR
CONTENTS OF AC NOT EQUAL T0 IR 1%
/CAN INSERT JMP COMMAND TO LOOP TEST
/TRANSFER

@166
TRANSFER

CONTENTS OF PROCESSOR
NUMBER REGISTER (TBN)
TEST FOR DISCREPANCY
BIT»PATTERN IS DETERMINED BY THE

$167

/TBN

217%
@171

/AC TO TAPE BLOCK
/READ IT BACK AND

2172

/THE

2173
2174

/LEFT SWITCHES
/PROCEED TO NEXT

0175
@176
@177
@202
@221
@222
@203
2224

9112
@113
@114

@115
@116
2117
2122

3511

CLR
LDA

TBN:

1320
3400

4OO

@506
6151
3517

108
6151

1043
'

0225

@121

321%

@206

B122
2123
2124

ESGU

2207
021$
@211
@212
0213
2214
@215
@216
@217
@222
2221
@222

@125
@126

2127
@160

6154

lOZO
249$
OBOE
6151
0311

LSN
STA
1%

IDS
6154
LDA I
240C
108

6151
CLR

@131

O500

108

0152

6154

$133
0134
@135
@136

1443
@313
3969
U016

6154
SAE
19

HLT
NOP

2223

@224

EJECT

TEST

ERROR

/CLEAR THE AC
/LOAD THE AC
IBIT 3 SET
/EXECUTE TAPE MAINTENANCE INSTRUCTION IN 8 MODE
/TRANSFER OF AC T0 TAPE MAINTENANCE REGISTER
/SELECT BIT PATTERN DESIRED WITH LEFT SWITCHES
lSTORE A COPY OF BIT PATTERN
/SELECTED IN IR 1%
[EXECUTE TAPE MAINTE-NANCE INSTRUCTION IN 8
ITRANSFER 0F AC TO TBN
/LOAD THE AC

-MODE

AND 3 SET
IN 8 MODE
/TRANSFER OF AC T0
/CLEAR THE AC
/BITS

IEXECUTE

TAPE

MAINTENANCE REGISTER

IEXECUTE IN 8 MOINTENANCE INSTRUCTION IN
ITRANSFER OF TBN T0 AC
/COMPARE THE BIT PATTERN IN THE AC
/NITH THE ORIGIONAL BIT PATTERN IN IR 19
IERROR
AC NOT EQUAL T0 IR 1O
ICAN INSERT JMP COMMAND TO LOOP TEST
*

MODE

9225
D226
@227
9258
@251
@262
$263
@234
@235
6236
D267
@242
0241
@242
$243
@244
0245
D246
0247
@253

@251
@252
@253

0254

B255
@256
@257
026%
@261
@262
@263

TRANSFER CONTENTS OF PROCESSOR
TAPE MEMORY ADDRESS REGISTER (TMA)
/READ IT BACK AND TEST FDR DISCREPANCY
ITHE BIT PATTERN IS DETERMINED BY THE
/LEFT SWITCHES
/PROCEED T0 NEXT TEST IF NO ERRORS

/TTMA
u/AC

@137

0311

3149
2141
3142
@143
5144
@145
2146
6147
3150
@151
@152
9153

1D2$

@155

@156
6157
6160
3161
3162
2163

146%
DbDO
6151

fl517
124%
Dale
DSDZ
6154
132%
7396

TTMA.

CLR
LOA I
149%

108
6151

LSN
STA
1%

108
6154

LOA

DSDD

I08

6151
@011
DEED

6151
CLR

6154

6154
SAE

1440
EDIE
DEED
flfllé

730%

IOB

HLT
NOP

EJECT

/CLEAR
iLOAD

THE

AC
AC
AND 3

THE

SET
IBITS 1
/EXECUTE IN 8 MODE
/TRANSFER or AS TO TAPE MAINTENANCE REGISTER
ISELECT BIT PATTERN DESIRED HITH LEFT SWITCHES
/STDRE A COPY OF THE BIT PATTERN
/SELECTED IN IR 10
IEXECUTE IN 8 MODE
/TRANSFER OF AC To TMA
ILDAD THE AC
/BITS D: 1 AND 2 SET
/EXECUTE IN 8 MODE
/TRANSFER OF AC T0 TAPE MAINTENANCE REGISTER
/CLEAR THE AC
/EXECUTE IN 8 MODE
/TRANSFER OF TMA TD AC
/COMPARE THE BIT PATTERN IN THE AC
INITH THE ORIGIDNAL BIT PATTERN IN IR 10
AC NOT EQUAL T0 IR 15
/ERROR
ICAN INSERT JMP COMMAND To LDDP TEST
-

@264

/TMAS
TRANSFER CONTENTS OF PROCESSOR
/AC T0 TMA SETUP REGISTER (TMAS)
/READ IT BACK AND TEST FOR DISCREPANCY
/THE BIT PATTERN IS DETERMINED BY THE
/LEFT SWITCHES
/PRDCEED TO NEXT TEST IF NO ERRORS

2265

4266
?257
2273

2271
2272

@273
CLR
LSW

2275

@164
3165

@011
3517

2276

3166

104%

STA

2277
0383

0167

Dfllfl
0323
1320

£172

TMA
LDAEI

ZDQQ

2BEE

3274

@331
@332

2303
@534
@385
@336
33%?
8310
@311
@312
@313
0314
B315
@316

2171
3172

TMAs.

8173
£174
£175
-?l76

3506.

108

6151

mwll

CLR

”52%

6177

6154

6233
3291
0282
0203
@204

1443
@316
@000
@460

IDB
6154
SAE

OEZE

DESIRED

MAINTENANCE

HLT
SNS
JMP

/CLEAR THE AC
WITH LEFT SWITCHES
ISELECT BIT PATTERN
/S-TDRE A COPY OF THE BIT PATTERN
/SELECTED IN INDEX REGISTER 10
/TRANSFER AC T0 TMA SETUP REGISTER
/EOAD THE AC
/BIJ L SETi T wa.;
/EXECUTE IN 8 MODE
REGISTER
‘/TRANSFER OF AC TD TAPE
/CLEAR THE AC
/EXECUTE IN 8 MODE
/TRANSFER OF TMA SETUP
To AC
/CDMPARE THE BIT PATTERN IN THE AC
/NITH THE COPY IN INDEX REGISTER 1O
THE CONTENTS OF THE AC NOT EQUAL To IR 10
/ERR0R
/IS SENSE SNITCH 9 SET
/N0 LOOP THROUGH ALL PREVIOUS TESTS AGAIN
-

Z
TTAC

EJECT

/TBTAC

TEST

ENTER

SENSE

SWITCH

IS NOT DEPRESSED
/TRANSFER CONTENTS OF PROCESSOR AC
/AS DETERMINED BY THE LEFT SWITCHES
/TO THE TAPE BUFFER (TB)
/THEN TRANSFER CONTENTS OF PROCESSOR
/AS DETERMINED BY THE RIGHT SWITCHES
/TO THE TAPE ACCUMULATOR (TAC)
lNDH ADDITION OF T8 T0 TAO IS DONE
/THE SUM IS READ BACK AND TESTED FOR
IOISCREPANCY AGAINST A COMPUTED SUM
ISTORED IN INDEX REGISTER 12
/IF THERE ARE ANY ERRORS THE PROGRAM
/WILL HALT
II? SENSE SWITCH 1 IS DEPRESSED
/THE PROGRAM WILL LOOP ON THIS TEST
/OTHERWISE IT WILL CONTINUE WITH THE
/NEXT TEST
/0

3334

U335
6336
@337
8340

@541

“"2342
@343

2225

@311

@344

O206

@345

2227

6346
@347
OSSO

2212

OBOE
5151
@517
1946
301%
OSOO
6154
lOZO
1300

@355

2211
2212
@215
@214
9215
2216
2217

@356

2220

@357

2221

BSéO

@222
@223

@351
@352
@353
@354

@561
@362

@363
@364

@365
6366

@224
2225
2226
@227

@503

6151

LSH
STA
19

I08
0154
LDA I
1069
IOB

6151

104O
OOll
OBOE
6154

STA

120%
.wfllfl

6375

@576

2240

144C

@377
2422

M241
2242

9401

2243

ddlZ
UJOZ
3461

2482

3244

OZOB

@374

CLR
108

6151
@516

@236
2231
2232
2255
2234
2215
O236
2257

B367
837%
@671
@372
@373

TBTAC,

RSW
11

I08
6154
LAM
1%

1349

STA

@912

12
LDA I
4OO
IOB
6152

1220
D4DE

OBOE
0152
Zfill
DOES

SLR
TAC
SAE
12

HLT
SNS
JHP

TBTAC

34a3
3424

/CLEAR THE AC
/EXECUTE IN 8 MODE
/TRANSFER OF AC TO THE TAPE MAINTENANCE REGISTER
ISELECT TB BIT PATTERN DESIRED WITH THE LEFT SWITCHES
ISTORE A COPY OF TB BIT PATTERN SELECTED
/IN INDEX REGISTER 16
IEXECUTE IN 8 MODE
/TRANSFER OF AC T0 T8
/LOAO THE AC
/BIT 2 SET
/EXECUTE IN 8 MODE
/TRANSFER OF AC TO TAPE MAINTENANCE REGISTER
/SELECT TAC BIT PATTERN DESIRED WITH THE RIGHT SWITCHES
/STORE A COPY OF TAC BIT PATTERN SELECTED
/IN INDEX REGISTER 11
/EXECUTE IN 8 MODE
/TRANSFER OF AC TO TAC
/ADO THE CONTENTS OF INDEX REGISTER 10
/TO THE AC (28 COMPLEMENT ADDITION)
/STORE THE COMPUTED SUM OF TB ADDED TO TAC
/IN INDEX REGISTER 12
/LOAD THE AC
IBIT 3 SET
/EXECUTE IN 8 MODE
/THE TB IS ADDED TO THE TAC AND THE SUM IS IN THE TAC
ICLEAR THE AC
/TRANSFER THE TAC TO THE AC
ICOMPARE THE BIT PATTERN IN THE AC
/WITH THE COMPUTED SUM IN INDEX REGISTER 12
THE CONTENTS OF THE AC NOT EQUAL TD IR 12
/ERROR
/IS SENSE SWITCH 1 DEPRESSED
/YES LOOP TBTAC TEST AGAIN

EJECT

@4@5

ENTER TEST IF SENSE SWITCH
DEPRESSED
/TRANSFER CONTENTS OF PROCESSOR
/AC TO TAPE BUFFER (TB)
/THEN TAPE BUFFER IS TRANSFERREO TO READ WRITE
/THE READ WRITE BUFFER IS NOW SHIFTED
IONE BIT POSITION AND ITS CONTENTS READ
/BACK TO THE AC AND COMPARED WITH A
ISIMULATEO SHIFT IN THE PROCESSOR
/IF AN ERROR OCCURS THE PROGRAM WILL HALT
/THE THREE BITS SHIFTED OUT FROM UNDER
/THE-READ WRITE HEAD ARE MASKED OUT AS
/THEY COULD BE EITHER SET DR RESET
/IF SENS SWITCH 2.IS DEPRESSED YOU WILL
/LOOP THIS TEST OTHERWISE YOU WILL GO
/BACK TO THE BEGINNING OF THE PROGRAM
/AND START THROUGH AGAIN.
ISHRWB

@4@6
@4@7
@413
@411
@412

@413
@414
@415
@416
@417
@42@

@421
@422

@423
.@424
-@425

@426

NOT

BUFFER

(RWB)

"@427
@433

B245

@431
@432
@433
@434
@455
@436
@437

2246
-D247

@44@
@441
@442
@443
@444

@255
@256
@257
@26@

@261

@@1@
1@2@
1@@@

@445

@262

@5@@

@446
@447

@263

6152

@264

@45@

@265
@266
@267

1@2@
2@@@
@5@@

6152

IOB6152

@27@

1@2@

LDA

@271
@272

5460.

@451
@452
@453

@454

@455

@25@
@251

@252
@253
@254

$011
O5DO
6151
@517
@5@@
6154

@261
156@

@421
1@4@

SHRHB:

CLR
IOB
6151

LSW
IOB
6154
ROL I
BCL I
2421
STA

LDA I
160%
IOB
6152
LDA I
2DDO

/CLEAR THE AC
/EXECUTE IN 8 MODE
/AC-MAIN REG
/SELECT BIT PATTERN DESIRED FROM THE RIGHT SWITCHES
/EXECUTE IN 8 MODE
/TRANSFER OF AC T0 TB
IROTATE RIGHT ONE PLACE MSB LOST
lCLEAR OUT BITS THAT WILL BE SHIFTED IN FROM TAPE READ
IBITS 3. 7 AND 11
/STORE A COPY OF THE BIT PATTERN
/IN INDEX REGISTER 10
/LOAD THE AC
IBIT 2 SET
/EXECUTE IN 8 MODE
/TRANSFER OF TB T0 RWB
/LOAD THE AC
/BIT 1 SET
/EXECUTE IN 8 MODE
/SHIFT RWB
/LOAD THE AC
/BITSI1: 2 AND 3 SET
/EXEC_UTE IN 8 MODE
/TRANSFER AC TO TAPE MAINTENA NCE
/CLEAR THE AC
'

@582

-@456

@273 -6151

@457
@46@
@461
@462
@463

2274

346$-

I._IOB

6151m

3311
OBOE
6154
156$
2421

6154

CLR

@464

ZSDl

1442

SAE

D465'
2466

'ESGZ

_@21@

aéfifi

@628

HLT

2467

'B5Z4

2462

SNS

@47fl

@6@5

0245

JMP

SHRWB

/EXECUTE IN 8 MODE
/TRANSFER OF RWB TO AC
/CLEAR OUT B.ITS THAT WERE UNDER THE READ WRITE HEAD
-/BITS 3: 7 AND 11
/COMPARE THE BIT PATTERN IN THE AC
/WITH THE ORIGIONAL BIT PATTERN STORED IN INDEX REG
/ERROR
CONTENTS OF AC NOT EOUAL TO INDEX REGISTER
/IS SENSE SWITCH 2 DEPRESSED
/YES LOOP THIS TEST

TTAC

/NO

Z471

8275

2276

@277.
230D

IOB
BCL I
@421

LOOP

BACK

BEGINNING OF PROGRAM

AGAIN

10
10

HEAD

950139

ERRORS

‘RHB

4w63

SHRNB

4245

TBN
TBTAC
TMAS
TTAC

4112

4m40

42m5
4164

4929