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XX-C7574-74

2000

14 pages

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Document:	PDP-11/40 system ED part-2
Order Number:	XX-C7574-74
Revision:	0
Pages:	14
Original Filename:	PDP-11-40%20system%20ED%20part-2.tif

OCR Text

dawong

RGO,

e SNe DS

B a dypls voundmae .*.w-..\sf::::"cmsf:

~et :

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}

| [B]

::‘?::‘ifi‘a?’:ai:i .:fix‘;:’: \‘}f’ SJH.O’ lt’fl;i ::::\Ou(
B

_—

i e2 |

(‘

N §5. 0

(4,8)

(_ FETCH oviap

(19)

)

(4,8,9)

( FETCH A )

(5,6,7,8,9,18,12)

(FETCH B )

‘

FETCH ©
,

FETEE

913
FETH1

FETCH NEXT INSTR

RIpC]

P1:BA*R [PC] ;DATI ;CLKOFF

(;

KT RECYCLE

FETH3

‘

;

989
FETB2

FETO4

O0TEY RIPC)

FLOW BOX NOMENCLATURE IS STANDARD AND |LLUSTRATED FOR U WORD FET P4 AND FET g5.

FLOW PAGE NUMBERS ARE IN PARENTHESIS ¥ITH UWORD ADDRESSES BELOY.

GENERAL DESCRIP
= TION
&>

ACTIONS EFFECTED BY U WORD. —2|

P2:D,BAeR
[PC] PLUS 2;

CYCLE LENGTH NOTED BY P1 P2 OR P3.

U WORD BRANCH TEST (MNEMONIC AND—"

BUT 37

FET85

]

—RESTORE WODTFTES R PC—

P1:R [PCle-D

ILL

CAN

SEARCHED

THE

ROM

g, (oot

SPEFIFIC U

K2.

IF SO, A DATI OCCURS.

110 s Bitrd e

INSTR DEFINITIONS(WHERE DOP |S DOUBLE OPERAND AND SOP IS SINGLE OPERAND):

ALLDOP=DOP+XQR(SM ALWAYS
8)

5. BUT DEFINITION:

FOR BRANCH.

PLUS 2 IS THE NEXT BUS ADRS,

PARTDOP
= ALLDOP* - 4OV

ALLSOP=SOP+SWAB+SXT+ROTSHF

BUS U(B8:08)

LISTING

(ALLSOP+XOR+JMP+ISR)*DH(G+7) ON INDEXED OPERATIONS.
;

18842~ BASE U ADDRESS,

UBF CODE) FURTHER DEFINITION

UNDER NOTES.

2-DATA DISPLAY

OF CONSOLE

DATI IF OVLAP FETCH (NOTE 3)

BUT (INSTR 1)

ADDRESSES

UNDER CERTAIN CONDITIONS

§94 @5~
U WORD ADDRESS

PeT

2. FLOW INFORMATION HAS <>'S MARKING EXIT POINTS ANDCO’S MARKING ENTRY POINTS.
WORD

RIPG

P1:BA«R [PC] ;DAT!;CLKOFF;SPS=¢

U WORD MNEMONIC ————3 _——

[

NOTES:

991

INSTR | BUS DATA]
P13 1R, RSTORE
[IR]B4-UNIBUS
DATA

—

FETCH NEXT INSTR

P1:8A<R [PC] ;DATI ;CLKOFF

__;>

416

RIPY

BUT (INSTR1)

SOPHORE=SOP+ROTSH
(L)
F

IS THE FIRST WIDE BRANCH FOR ALL INSTRUCT|OHS.

(T IS A FUNCTION OF Tfit Tfi“ificonsn AS BUBC (BUT 37) ON K3-5.

995
6.

IF KE11-E,

F OPTIONS

INSTALLED ALL RSVD

INSTR

WAIT

INSTR GO TO THE EXPANSION FLOY.

HALT

INSTR

RSVD‘ INSTR

(MOTE &)

FETB6
"

MOV*SMD

(PARTDOP*SMB+ALLSOP)* -Diig

MODIFY;STORE R [PC]

170,171

(5)

(6)

151,152

150

124

141,142

181,162

172,173

153, 154

143,144

183,164

174,175

155, 158

145, 148

185, 186

178

TRAP

SERVICE

(4)
|

JMP+JSR

136

101

127

CONSOLE

(19)

114

122

[PC]
MINUS
P3:R [PC)
4—10
P2:D¢R

FETBT

189

NO-OP AFTER A BUT

RDR]

M0
P1:NO-OP

E—-

—

—
2

P2: DeMM

)

P3:
1R €D
FETR9

TRAP INSTR

252

STORE NEW INSTR

2 &

P1:R [IR]+D

)
V4

TRAP B

MARK

(6)
126

118

BRANCH

<GLR CONB CODE

SAT*DMg

(3)

139

116

132

SHAB*0Vg
M
17

192,183

134

KET1.

SOPHORE DM
M)
194,185

INSTR
|

(NOTE §)

TRAP B

9)
196, 187

(8)

126

EXPAN
| ON
S

(KE11-E,

F FLOWS)

508

mTuL /0y

/? >H

SHC

FIRST LSED ON OPTION/MODEL| qry. |

DESCRIPTION

PDPI |

Z 1<}

DIMENSION (N INCHES.

m08§§
21z

Slw|OlRIT

TOLERANCES

— T

DECIMALS

;gi -

PG
=

of 3

DATE | el

ANGLES
=

o) $¥E

HEE NG =

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®

=re

MATERIAL

:‘:’

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HIER

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FINISH

SORPORATION
A

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B0
D

i
oA

SCALE

SHEET~

FLOW TIAGRAN
o
(FETCH) :

Comire sonact et e PO B

DATE

ParTrO.

PI25172 e

REMOVE BURRS AND BREAK SHARP |Bar

PARTSLIoT

SIZE|CODE

NUMBER

DIFD|

KDII-A-FD

st|

REV.
2

This drawing and specifications, hersin, are the property of Digital Equipment Corporation and shall not be

' I'A% }
e

43800

s /

146

SRCPY

m-v—-t;f;/f[f;_;fa

reproduced or copied or used in whole or in part as
the basis for the manufacture or sale of items without
written permission.

ALLDOP*-S@
i Y

SRCY1
GET_SOURCE

DATA:

sn2

|
142

MODIFY

SRCO2

R A

GET

P2:BA«R [SF] :DAT!;DAD=01:SBC=03

P2:

DR [SFI PLUS(1+2) ;MM=14

SOURCE

SM4

DATAIMODIFY

|
|

144

SRC

R [SF)

D,BA«B [SFTNINUS(1+2)

DATY;DAD=01; SBC=03; MM=14

RESTORE MODIFIED BASE|

Pl: R[SFlD; CLKOFF
BUT(OB+INSTR3)

143

SRCP5

GET

ADRS;MODTFY;RESTORE

P2:

BA«R [SF] ;DATI;D«R [SF] PLUS 2

SMS

Lo
145

ADRS;MODIFY;RESTORE|

P2:D,BA«R [SF] MINUS 2

P3: R [SF}+-D;CLKOFF

SRC@3

SH3

GET

;DATI

P1:

P3: R[SFl«D; CLKOFF

‘sm

SRCQY
SOURCE

141

DATA

R[SFI

GET

BA«R [SF];

P2:

DAT!:DAD=E1:MM 14

INDEX

DATA;MODIFY

DeR [PC) PLUS 2

P2:

SRCA7

147

DATA;MODIFY

DeR [PC) PLUS

P3: R[PCl«-D;CLKOFF

241

STORE INDEX DATA

1SM7

| GET INDEX

P3: R [PCJ+-D;CLKOFF

249

BUT 35

SRCP6

| BUS DATA

243

STORE INDEX DATA

P1: B,R[SOURCE]«UNIBUS DATA

| BUS DATA

P1: B, R[SOURCE}<~UNIBUS DATA

[

128
SRCO8

‘

GET INDEXED SOURCE DATA

SRC11

R [SF]

‘

GET INDEXED ADRS DATA

BA¢R[SH
PLUS B
qAflq
(D&xh
TMM=14

P2:

242

244

R ([SF)

P2:BA<R [SF] PLUS :B;DATI

CLKOFF

]

245

STORE ADRS DATA

| BUS DATA

P1: B,R [SOURCEJ«-UNIBUS DATA

SRC13

‘

246

GET SOURCE DATA
| R [SOURCE]
P1. BA«R [SOURCE] ;DAT!;DAD=B1 ;MMI4

NOTES: -

SRC14

,‘

NO -OP FOR BUT
P1:

247
|

RIR]

BUT

BUT (0B+

DEFINITIONS:

BUT

BUT(OB # INSTR3)

BUT 35

SRC15

STORE SOURCE DATA

IS BUT (ODD BYTE+INSTR 3) WHERE AN ODD BYTE INSTANCE

IS SERVICED BEFORE A SPECIFIC INSTRUCTION SITUATION.

IF NO ODD BYTE

EXISTSTHE R ENCODED AS BUBC (BUT 35) ON K3-7 |§. SERVI CED.

NO-OP:CLKOFF

(INSTR

BUBC

128

THE

(BUT 36)

K3-7,

DIRECT

BRANCH

SERVICING

THE-

TR,

AFTER JUSTIFYING ODD BYTE DATA.

2. RLSF]INDICATES THE SOURCE REGISTER SELECTED BY THE IR.

.ém

250

—

| BUS DATA

P1: B, R [SOURCE]«UN!IBUS DATA
a
\

-08

SRC16

109

DUPLICATE UPPER BYTE
P2: D(15:08)«B(15:08)
;

137

SRC17

| 128

; L:

251

BUT 36

STORE JUSTIFIED DATA

RI[iR]
4

B(R7:09)«B(15:08)
BUT (INSTR3)

‘

P1: B, R [SOURCE)«D
B
Y

]

MOV* -SMg

~SHg* -DMP

(3)

ARTDOP*

(4)

160,171
:

-F1RST USED ON OPTION/MODEL| qry.|

120,121

UNLESS OTHERWISE SPECIFIED
DIMENSION IN INCHES.

TOLERANCES

]

212

DECIMALS

ANGLES

.XXXj.OOS

+0° 30’

§ §

CORNERS SURFACE QUALITY

MATERIAL
|

2/ Af

/f)/w/fié’

—

\
A
\

—

REMOVE BURRS AND BREAK SHARP

& g

DATE

CORPORATION

MAYNARD MASSACHUSETTS

“DATE
] TITLE

DATE

YIS L

SHEET

OoF

FLOW

‘ ,(fi""‘*j " q5( 2

’

LA GR25]
NIl

\SC URL )
(2)
SIZEJCODE

B-DD-+¥DlI-A
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EQUIPMENT

DATE
/25/72

Joist

NUMBER

D‘[FD

10,

[ 'TEM

71572

PART NO.

NEXT HIGHER ASSY.
)

- .

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CHK'D.
JTCH w18

LEC b O

PARTS LIST

165,167

177

DESCRIPTION

PDPI |

163,164

174,175

(8)

161,162

172,173

& —
WU

PARTDOP*

~SME*DMg

KJI=A-F5

REV.

This drawing and specifications, herein, are the property of Digital Equipment Corporation and shall not be
reproduced or copied or used in whole or in part as
the basis for the manufacture or sale of itams without
wnitten

permission.

’

@RTDOF*SMG*—ALLSOP)*—D@

(

|
D

PARTDOPs-SMB+-OMD

DSTR!

J pu2

[GET DEST DATAIWODIFY

RDF

162

]

.
164

[
GET DEST DATA;MODIFY

P2"BA+R [DF] :DATIP ;DAD=07

DeR [DF) PLUS(1
; SBC=P3
+2)
; MM=01

DSTH2

DATIP;DAD=07;SBE=03
;MM=01
!

’

RESTORE MODIFIED BASE
T(OB

IN TR 4)

BUT

DSTE7

OVERLAPMODIFY R [PC]

DSTPH

161
|

_RDH

PI: Bieg
DR OATIP:

P3: R [PCj«D; CLKOFF
262

GET DEST DATA

F2: Dok el pLUS 2

§ Oy

DAD=47 ;¥M=p1

BUT(IRE3)

BUT

262

’

3: R [PCl+D;CLKOFF

_BU_T(__IRHB).N

260

KOEE

INDEX DATA;MODIFY

P& BRpO.DAT
DR
I PO PLUS 2

’

DSTP3

1 OMCE+T)*-SMs

GET

P2: D,BA«R [DF] MINUS( 1+2)

DST86

BUT 33

DSTg9

| 228

’?

261

STORE INDEX DATA

‘P1: B,

BUS DATA

R[DEST}+UNIBUS DATA

]

DSTH4

DM3

GET ADRS,MODIFY,RESTORE !

163

P2:BA+R [DFL;DAT|;D<R [OF] PLUS 2
P3:R [DFD; CLKOFF

DSTS

lnms

| GET ADRS:MODIFY:RESTORE l

P2 D, BA+R fDF]M'NUS 2;DATI
R DF)<D;CLK

165

1 -

CosTig

RE3

GET INDEXED DEST DATA

262

[OF] o

263

GET INDEXED ADRS

P2: BAeR [DF] PLUS B: DATIP;
DAD=07 :MM=01

IRO3

DST11

R [DF

P2: BA<R [DF] PLUS B;DAT!;CLKOFF

\./

~\J

DST12

264

STORE ADRS DATA

BUS DATA

P1: B, RI[DEST}e-UNIBUS
DATA

NOTES:

BUT nsrmmous
BUT (ODD BYTEHINSTR 4)
WHERE AN 00D BYTE INSTANBE IS SERV;CED
BEFORE A SPECIFIC INSTRUCTION SITUATION,
IF NO ODD BYTE EXISTS THE IR ENCODED
AS BUBC (BUT 33) ON K3-7 IS SERVICED,
RESPONDS TO DEFERED ADDRESS CALCULATIONS.
IS THE DIRECT BRANCH SERVICING
THE IR ENCODED AS BUBC (BUT 34) ON K3-7,

R[DF] INDICATES THE DEST REGISTER SELECTED

BY THE IR.

V"D%IE? DEST DATA

P1:

et
,

DST14
.

266

NO -OP, FOR BUT
P1: NO-OP:CLKOFF

BUT(0B+INSTR4)

DST15

RIR)

BUT 33

——

RIDEST]

BA<R [DEST), DATIP;DAD=81;MM=g1

265

228

267

STORE DEST DATA

[BUS DATA

P1:B,R [DEST]«UNIBUS DATA

gu‘

;

_QB’N‘ET
|

ach

DST16
DUPLICATE

0B q
UPPER

P2: DlSflk—B15:08) ;

D(7fl)+B(
H%e)

231

BYTE

fiRr]

2C
X

’

BUT(INSTR4)

BUT

228
Sa

DST17

2170

STORE JUSTIFIED DATA

P1: B,R [DESTRD

PARTDOP
ailln

;

SXT* % .-BMg

(8)

228,221

226,221

234

238

(9)

232,233

222,223

230,231

—

‘

224,225

|
FIRST USED ON OPTION/MODEL | o7y, l

U:) §

- .

EQUIPMENT

MATERIAL
‘

‘

’

FINISH

FLOW DIAGRAM
"”‘T)
NEXT HIGHER ASSY.
KDl 1A

usETTS

TITLE

+ 00 30

CORPORATIO

CORNERS SURFACE QUALITY v

NO.

ol
REMOVE BURRS AND BREAK SHARP

[ IL%M

INCHES.

ANGLES

XXX = .005

:Z; ;'

PART NO.

[ DATE

TOLERANCES
DECIMALS

PARTS LIST

UNLESS OTHERWISE SPECIFIED
DIMENSION

DESCRIPTION

]

PDPII

SCALE

SHEET

—Ff—/—

OF Ji1

A -\

SIZE|CODE

FD|

oist.| I

NUMBER

KDII-A-

REV..

T°7

This drawing and specifications, herein, are the property of Digital Equipment Corporation and shalil not be

reproduced or copied or used in whole or in tart as

the basis for the manufacture or sale of items without

written

‘ I J I

G4 -V-TICH ]G_—!]alg l

LEL]

HIBWNN

3302} 32iS

)

permission.

,,,,,,,,,,
o

)

(Movesug

)

( Mov+-sug

)

MOV

oM
)

171

LOAD DEST ADRS

MOVO1

[RDH

P2: BA<R [DF] ;DAD=07

oM2
172

LOAD DEST ADRS;MODIFY

MOVg2

174

MOV5

BUT(BYTEAND SOURCE)

177

BUT(BYTE AND SOURCE)

BUT 22 | 24g

DM(6+47 )*SM@
MOV

OVERLAP;MODIFY R[PC]

P2:BA«PC;DATI ;D+PC PLUS 2

" DAD=p7;SBC=03

BUT 22 | 298

OM(6+7)*( -SN@)

GET INDEX DATA;MODIFY

P2:D,BA<R [DF] MINUS(1+2)

D+R DFI PLUS(1+2)

BUT 22| 29

LOAD DEST ADRS;MODIFY

P2: BA<R [DF] *DAD=87;SBC=03

BUT(BYTE AND STRC )

OM4

176

P2:DeR SPC] PLUS 2

P3:PC+D;CLKOFF

P3:R [PCl«D;CLKOFF

BUT(IR@3)

BUT I7

212

BUT(IR@3)

BUT 17 | 212

RESTORE BASE ADRS

P1: R [DF}«D

l o3

;RESTORE

173

MoVR4

]

GET ADRS;MODIFY;RESTORE

P2:BA<R
;DR [DF] PLUS 2;DATI
P3'R ffl% [DF]J’CLKOFHF]

170

TR sF)

MOV 1S
:

GET

BUT 28

, IF OVLAP

DMgTM*-SM8
DEST

204

DATA

P2:BA«R [DF] PLUS B;DAD=87

IF OVLAP

)

[BYTE
|

‘

(_BUT(SERVICEB+FETCH

—

peo

FEVTERSE

LOAD BYTE DATA

BUT

pog

_RISF

SITET ST
L

LOAD BYTE DATA

’

a0y

MOV 16

[ R (SOURCE]

P1: BeR [SOURCE]

)

STORE DATA

) SMB*-BYTE

STORE_DATA

| R(DEST]

[

P2:0«R [SF] pys(g+2)ssBC=18

201

RIS

Toe

D(97:00)«B(87:09);DATOB

P3:R

[SOURCE}D
; MM=01

125

BUT(SERVICE C+FETCH C)

BUT 16

BUT DEFINTIONS:
BUT

(BYTE

AND

SOURCE)=BUT(BYTE*(SM

@4~SMB )+-BYTE(SMB4-SMP)

WITH THE BYTE AND SOURCE MOBE INTERACTING ‘TO PROVIDE
A FOUR WAY BRANCH.
BUT (IR @3) RESPONDS TO DEFERED ADDRESS CALCULATION
S,
BUT

(IR

BU BC(BUT'Z! 'gnLS" 'Ofi-NKH’_‘Q“—JTE_AND SOURCE)

(19)

(1)

982

9o 1

pog

ERVICE REQU
OVER A
FETCH CYCLE REENTRY

COMBINES ABOVE BUTS AS

(8))

CEBHEETOH OVl 40t
RESPONDS
TO ANY
FETCH OVERLAP OVER A USUAL

375
FIRST USED
L
[FIRST
USEI ON OPTION/MODE
DEL_|
QTY.,

U
E4SERY
WILL JUSTIFY RYTE DATA PRIOR
TO THE SERVICE
OR FETCH BUT NOTED ABOVE.

DESCRIPTION

PDP I

DIMENSION IN INCHES.

?2;

)

. p ./-raf'// /% -

TOLERANCES

’

DECIMALS

ANGLES

XXX = 005

+0° 30°

S 5

DATE

TITLE

DIAGRAM

<M O\/)
NEXT HIGHER ASSY.

.___/__._+__

FINISH

FLC\Y

(4)

B-GD-iD11-A

En CORPORAT’ON

MAYNARD MASSACHUSETTS

CORNERS SURFACE QUALITY

MATERIAL
|

——

[ ITEM
TEN

EQUIPMENT

REMOVE BURRS AND BREAK SHARP

2 g

PART NO.

B '.

3E:

PARTS LIST

UNLESS OTHERWISE SPECIFIED

|ogg

210

NOTE :

SERVICE B

BUT 22

SM@* -BYTE

DATA

DATO;
MM =11

ALTER COND_CODES

MOV17

[R (SOURCE]

PZ;AD:AR’['S:?U%CAET]O‘

MOV22

—

[DESTI«-UNIBUS

BUS

P2:D(15:08)«B(07:00)

559

205

STORE JUSTIFIED DATA |
|

[

Mov14

MOV 1S

|
|

[

LOAD DEST ADRS

MOV13

0 VLARETH
B

207

DATA

MOV 12

083

P2:D(15;08)«B@7,D(07:00 )«B(27:00)

ADRS

BUT(BYTE AND SOURCE)

BUT 28

P1:BeR [SF]
SIGN EXTEND BYTE DATA

v .

STORE

Mov21

P2:BA«R [DEST] , DAD=01

__LLKOFF IF OVLAPG1):CLK=0

mows

DAT1 CLKDFF,DAD=01

MOV11

Gourcd]

BYTE

R[DF

A |

]

213

P2:BA«R [DF] PLUS B

160

[®

IRG3

GET INDEXED ADRS

BUT(BYTE+SERVICE AND FETCH)

pop

STORE DEST DATA

MOV1g

R DF

P2: DeR [SOURCE]

BUT(BYTE+SERVICE AND FETCH)

MOV2g

212

STORE INDEXED DEST ADRS|

P1:R DF] ,B<D;SPS=B3;WM=10

208

P1:8,R

| ~1RE3

MOVRS
'

P2: DeR [SF]

gyt 21|

DME*SHE

—

[ BUS DATA |

CLKOFF

175

P2:D,BA«R [DF] MINUS 2;DATI
P3:R [DFle-D;

STORE INDEX DATA

P1:B,R [DEST}«-UNIBUS DATA
BUT(TRB3,BYTE AND SOURCE

MOVE3

SCALE

SHEET

SIZEJCODE

—F——p—

NUMBER

DIFD| KDII-4-FD

]

REV.

This drawing and specifications, herein, are the prop-

erty of Digital Equipment Corporation and shall not be

reproduced or copied or used in whole or in part as

| [B]

OLv

)2 |

156

JMPOT

the basis for the manufacture or sale of itams without

written

permission.

(1)

C JMP+JSR

)

JMPBO

¥ D1

GET DEST ADRS

151

JMPO1

R[DF]

i Du2

POST MODIFICATION

.
P 2:0<R
[DF
[oF]

152

[

P2:8A<R [DF] ;DATI
:

P3:R [DF)«D

BUT 15

|386

;
D<R [DF) PLUS

;

GET DEST ADRS
P2:0=R [DF]

#INUS

BUTCISRIINP

(

[

153

GET ADRS,MODIFY,RESTORE |

P2:D«R SDFJ PLUS 2

BUT (JSR+JMP)

| DM3

JMPBS

T(JSR*JNP

BUTCISRINP) _

DM4

IMPE3

[:GET DEST ADRS:MODIFY

‘

BUT 15|

155

GET ADRS;MODIFY;RESTORE|

OVERLAP;MODIFY R[PC]

BUT 15

|3gs

|BUT(JSRHJWP)

3g6

BUT 15

|3gg

JHPBY
304

STORE INDEX DATA

[

STORE

BUS DAT

INDEX

157

[TEMP}«-UNIBUS

DATA

305

BUS

P1:B,R

;

301

DATA

JMP1Q

JMP15

:
P2:0+R
[PC] PLUS 2

P1:B,R [TEMP—UNIBUS DATA

[

P3:R[PCS<—]D;CLKOFF

IMP14

DM7

OVERLAP;MODIFY R [PC)

7
|

BUT 15 | 3g6

P3:R [PC}#+-D;CLKOFF

E—

P2:DsR ch] PLUS 2

P3:R [DF]«-D;CLKOFF

BUT(JSR+INP)

- D6
T“

JMPO8

P2:D,BA«R
:D,
BA<R [DF] MINUS 2;DATI
-

R
[DFIMINUS 2
p3:ng¢.J

IMPPS

)

‘

154

P2:D.

P3:R [DF}+-G; CLKOFF

RDA

DATA

302

GET INDEXED ADRS

R[oF]

DR
(04
TSR

P2:D<R [DF] PLUS B

BUT(JSR+JMP)

BUT 15 | 386

(

)

o’

BUT 15

306

]

/
rmm

STORE DEST ADRS

300

\\Jf"\\

JSROD

ISR

307

MODIFY STACK POINTER

[

P2:D,BA«R [SP] MINUS2

STACK LINKAGE POINTER |

311

P1:B+R [PC]

Pz;o-fa

STORE NEW LINKAGE

P3:R[5F]+D

R[PC]

—

MRKG1

|
|

IR uscomgs.

RESPONDS

JMP13

ANY

STORE

—

15e

’

355

306

NEW

MRKg4

| R[TEMP]

]
AS

P1:R [SP}«D;CLKOFF

BUT(SERVICE C+FETCH C)

SREQUE
SERVICE
ST
SVER A Coron REENTRY .
C)

353

STACK POINTS T0 OLD R5]

P2:DeR [TEMF]

NOTE:

MRKg3
GET DEST ADRS

C+FETCH

112

| D

FORM _NEW STACK POINTER | RIPC]

IMP12

ERVICE

MRk

Py,

]

P2:D,BA+R [PC] PLUS SEXB;DATI

BUT DEFINITIONS:
gg; gémmjggzcmg%mems

MODIFY PC WITH OFFSET|

P3:R [PC«-D

P3:B+D

MARK

P2:D«B PLUS R [IR]

GET NEW LINKAGE

(

DOUBLE OFFSET

(1)

MRKBQ

R [SF]

310

P2:0<R [SF] ;DATO; CLKOFF

JSRP2

P3:R [SPkD;DAD=06

—>

BUS DATA

P1:B,R (TEMPJ«-UNIBUS DATA
\

_JSRA1

303 |

STORE DEST ADRS

P1: B,R [TEMPl«D

JMP11

]

[PC

P1:R [PC)«D

BUT 16

356

LOAD R [@5] WITH OLD R5

|BUS DATA

P2 9 NIBUS DATA

| @16

BUT(SERVICE C+FETCH C)

313

MRKES

LoAD

BUT 16

&
RIP

CLHITH 9LD PC

P1:R[PC}«D

|@16

357

FETCH

[ FIRST USED ON OPTION/MODEL
(19)

;

)

UNLESS OTHERWISE SPECIFIED

;?IE?Z

TOLERANCES

ATE

DIMENSION IN INCHES.

—

DECIMALS

g o

ANGLES

XXX = .006

+0° 30°

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MATERIAL

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PARTS LIST

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PDPII

Cry of Drgal Equipment Gorperation and shall not be

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?:“beanss::g;::o:\.anufacture or sale of items without

(JAMUPP) (RED ZONE +DUBBERR)

\\TRAP

TRPO

ERR

‘

| D

P2:D«$(SBC=17)

()

)

JAMRGRITO4

(1)

336

TRAP

TRPR3

‘

FORM,STORE TRAP VECTOR |

P3:R([SP]+D

——

RM.STORE TRAP VECTOR | D

317

TRPE2
GET NEW STATUS

BUT

)

GWRUP* _HALT)

;

007

GET NEW STATUS

y
MM FAULT

P3:RVECTI=D

115

TRP10
150
b

(1)

wms

)

326
D

TRP11
[STORE OLD STATUS ON STACK]

321
PS

RSTEQ

127

GET: RESET DATA DISPLAY]

RTSPY

P1:D<R [p9]

GET NEW R [PC]

[

P2:D4R [DF]

124

RT 109

RDF]

—

GET NEW R[PC MODIFY

101

P2:BA«R (SP];DR [SP] PLUS 2;DATI

P3:R [SPI+-D CLKOFF
Jfi

RSTA1

—>

ET DELAY AND INIT

025

RTSH1

STORE

P3:CLKOFF 2@ MILLISECONDS lN|T§
;7@ MILLISECONDS DELA

BUT(CBR2); INIT;DELAY

____BUT

RSTA2
)

P1:NO-OP

183

RTS02
GET TOP

320

STORE NEW R[PC)

[BUT(SERVICE

324

RTSE3

C+FETCH

BUT

325

P1:R[DF}<UNIBUS DATA

RSTQ4

]

—

P1:NO

| gis

CONSOLE

-0

A&~A

iF THE HALT
IS NOT ACTIVE.
THISWITCH
WORKING BUT

RESTART DELAY.

RTQQ”RE NEW STATUS

BugngTA

TO ANY SERVICE REQUEST OVER
A FETCH REENTRY.

BUT_(CBR1)

(REG XMl
g g |

!
GET NEW R[PE]

‘

CLKOFF ; MM=04
:

NOTE

BUT 81

333

STORE NEW R[PS)

| BUS DATA

NDTE 1

-0OP

BT 03

|—HALT S

(10

FETCH

SERVICE

‘HALT SW

(11)

122

FIRST USED ON OPTION/MODEL

(1)

g16

QTY'[

DESCRIPTION

DIMENSION IN INCHES.

DECIMALS

ANGLES

XXX = .005

+0° 30"

A Fagtci S| )-15-72

MATERIAL

FINISH

181
o

—

5ART NO.

II"I;'EOM

EQUIPMENT
Enauan
CORPORATION

DATE

MAYMARD

MASSACHUSBETTS

%%{.é_& TITLE

FLCW \DIAURNAM
/

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P\VRLF
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RTS,RTT

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=02

REMOVE BURRS AND BREAK SHARP
CORNERS SURFACE QUALITY

PARTS LIST

UNLESS OTHERWISE SPECIFIED | DRN-> i

| 122

LRI I02-8

NOTE

SEE

P1:R [PC]«-UNIBUS DATA

UL VORI

}

[ RIVECT] | .

5 ud
3 5 5

(REEDEPLY

TOLERANCES‘

SEQUENCE .
SEE NOTE 1 ALSO.
REG
E

TFEIT

DIRECT

FROM THE USUAL
ENTRY INTO

PDPII

FOR

332

P1:BA<R [VECT); DATI ; .
BUT(CBR1)

—

TRP21

(11)

PRBVIDES

gmggnfil“%flg25:?'\2"' %;lgug'gzgs

P1:PS+R [TEWP]; SPS=7,WW=B2

P1:PSUNIBUS DATA;SPS=7

INIT AND

BUT
(SERVICE
C+ FETCH C) RESPONDS

140

2) SENSES THE MALT
OPTION.

ACTIVATES THE

| R (TEMP]

,
WE

1S ACTIVE

SEWENT PEULTS

XY11-D

OCCURS

MM =

FAULT)
THE

REQUESTFG: RETURN
F0 FET CH

P1:PS<R [TEMF] ; SPS-B;MM=B0G

TRP28

1:No-0

P3:R[SPl+-D; CLKOFF

043

321

P2:BAR [SP];DR [SP) PLUS 2;DATI

Y
NO-OP FOR FETCH ENTRY

ENABLE NEW STATUS

EXCEPT

BUT DEFINITIONS:
1

MM=04

GET NEW STATUS:MODIEY |

P1:NO -OP

[BUS DATA_

—RTLE2

-HALT SW | STORE TOP OF STACK |BUS DATA
D

)

'
.

P2:D«R [PC] ; DATO; CLKOFF;

TRP16

P3:R [SFl+D; GRLOFF

042

331

A
T

SEQUENT!

TRAP REQUEST FLAGS.

FOR BUT (CBR1) THEY DO NOT
BRANCH THE FLOW.

STORE OLD RIPCJON STACK [ R[P(]

‘

OF STACK;MODIFY]

P1:R [PC]<—UN|BUS DATA;

P2:BA<R [SP];D«R [SFI PLUS 2:DATI

HALT SW

NO-OP FOR CONSOLE ENTRY[

[

RTIQ1

‘

040
»

323

NEW RTPL]

92§42

OP_FOR BUT

;

P1 ZR[PC]"D

2;DAD=6

< ro

TIRP15

330
|

—1

5
A

MINUS

TRP14

BUS DATA

—STORE NE

[SP]

ee
| ~
A

_ |BUS DATA

P2:D,BA<R

[

P1:PS<UNIBUS DATA;SPS=7

P3:R [SPle-D; MM=g4

335

STORE NEW STATUS

P3:R (SP+-D; M =g4
i

MODIFY STACK POINTER

334

| RIVECT] | 2 </

TRP19

P2: D,BA«R [SP] MINUS 2:DAD=6

TRP13

( RTIRTT )

GET NEW STATUS

DATI3CLKOFF

‘

MODIFIY STACK POINTER |

P2:Def (SBC=DO%STPM)
P3:R [VECT]=D

(1
(

]

P2:BA<R [VECT] PLUS 2;

P1:NO-OP ; MM= 04

)

TRP18

[BUS DATA

DESKEW WORD FOR DATO

(1N

\—J}\

P2:D«PS;DATO; CLKOFF ; MM=g4

( Reser

P2:D+§(SBC=11+#JUMPERS)

MM =6

TRPQ7
]
FORM,STORE TRAP VECTOR |

P1:R [VECTI4-D

331

FORM,STORE PWRUP VECTOR |

P1:R [TEMP]«UNIBUS DATA;

TRP17

|R VECT] ]

STORE NEW STATUS

C TRAP C )
{

BLE

)

STORE MM VECTOR

214
D

( JAMUPP)

P2:BA«R [VECT] PLUS
2

216

LT ez

[

214

-MM FAULT

P2:BA<R [VECT] PLUS 2;
DAT! ;CLKOFF

TRP28

DATI.CLKDFF ;MM= fl4

P2:De§(SBC=13)

| R[VECT]

126

TRPg4

P3:R [VECTI«D

(TRAP

P2:D«§(SBC=00#STPM)

| GET MM_VECTOR(250)

P2:D4-5( SBC=@@*STPM)

/\l

P3:R [VECT)«D

BUT(MM FAULT)

TRP@1

FORM,STORE
TRAP VECTOR |

P3:R[VECT]«D

TRPO6

P2:D< §(SBC=P@*STPM)

TRAP

(19

(6)

SIZE[COD

B-DD-KDII-A

SCALE ~ —rfp—

D|F D]

LTSN

-T2 W
A"

NUMBER

HH-A-F

;

Y I
'I

REV.

“8

HaBWNN

303

[G4a]
2

31215

permission.

(])

(‘)

( | )

_
(])

NO BRANCH)

( srance

NBROY

NO -OP AFTER A BUT

[

BRADD

RIR

1
[

BUT 16

|gig

MODIFY R PC

S0BY1

BUT 18]

341

| REST OF OFFSET:MODIFY |

P2:D<R [PC] PLUS SEXB
P3:R [PCle-D

cceos

[

BUT(D=7)

345

""“‘“:J%N:Eg::ce
C+FETCH, ©)
(

-(B=9)

SUBTRACT

RUR]

BUT 15

AND PS MASK TO PS

351

C+FETCH C)

TETE

SCCo1
OR

| 16

152
'

MASK

[

P2 iDBIPSISPS-3

P3:RIPAD

347

344
|

S0B4

:
NO-OP
FOR BUT

D
B

BUT(SERVICE C+FETCH C) __‘ BUT 15 | #16

s16

S0806

CONPLEWENTS

CCCo2

RTIRTFOR PS MASK

=
L
BUT(SERVICE

350

P2:D«R [PCIMINUS B;DAD=10

BUT 18|

MASK

paipep - CoC1D)

BUT(SERVICE C+FETCH C)

343

P2:D<B*PS;SPS=3
P3:PS¢D

SUBTRACT HALF OF OFFSET

’

ALY

SET cowp cones

SCCog

CONPLEMENT PS HASK BITS
PZD<B

BUT 12

5083

116
|

P2:D<B

P2:D«R [IR] *(SBC=13)
P3:B+D

ccest

R[SF<D

WASK R IRTFOR OFFSET

NO -0P FOR BUT

)

MASK R [IRTFOR PS MASK

342

S0BR2

50885

CLR COND CODES

Psipep D)

TEST COUNT
.

P1:

BUT(SERVICE C FETCH C)

130
| R [SF]

P2:D<R [SFIMINUS 1

P1:R PCH-D

BRAD2

(

DECREMENT COUNT
|

)

S0Bgg

R ipc)

P2:D<R [PC] PLUS SEXB

~ BUT(SERVICE
C+FETCH C Y
(

(1)

LF_OF OFFSET

P1:NO -0P

(A -7-112A

Rm—

‘

reproduced or copied or used in whole or in part as
the basis for the manufacture or sale of items without
written

Add

erty of Digital Equipment Corporation and shall not be

This drawing and specifications, herein, are the prop-

‘

)

346

HALF

P2:D<R [PC]

P3-R [PClD MINUS

OFFSET]

B;DAD=18

P1:NO -0P

SERVICE C

earTDOP*sMgtOMp

)

DOPEY

P1:BeR [SF]

SUBTRACT B FROM DEST

103

DOPE2

| REF

102

PUT DEST INTO B

363

BUT(NOWR+BYTEWR+WORDWR)

|R DF

DOPE3

BUT(SERVICE B+FETCH OVLAP+FETCHB) BUT 27
—

gog

SWROD

| RDF

P1:B<R [DF]

P2:DeR [DF] MINUS B;DAD=1g8

§-sus

SWBg1

UPON B_.SOURCE |

SWAP BYTES

R [SF]

R[F]

[

0(g7:

SSLAT

NEGATE DEST

‘

WORDWR

;

[

NOWR

-(NEG

o
| R [oF)

P2:0<5000 [ 0F]} :0RD=14

BUT(NOWR+BYTEWR+WORDWR)

BUT 31 | 368

35103

313

NO -OP FOR BUT

P1:NO -0P:SPS~1

=18,RD=

BUT 27

0T (SERVIGE BerETCH OYLAPFETGA 5]

aop

372

OPERATE UPON DEST

BuT 31 | 368

BUT(SERVICE B+FETCH OVLAP+FETCH B)

BYTE WR

<sL2

[ R DA

P2:D«NEG OF B;DAD~18:RD=§

agg

NOWR

105

NEG

BUT(NOWR+BYTE WR+WORDWR)

15:88

P1:BeR [DF]

_éfi?’(sa(zglcgggjgétcugo\)iLAP+FETr:H 557 But 27

BUT(SERVICE B+FETCH OVLAP+FETCH B) | puT 27
¥

SSLOD

PUT DEST INTO B

135

P2:D(15:08)=B(07:00)

P2:D«§DAD{R (SF] AND B} ;DAD=14
.

134

P1:BeR [DF]

364

(1)

;

PUT DEST INTO B

But 31 | 360

FETCH C

(19)

SOPMORE*DND )

SUB

PUT_SOURCE INTO B

DOP@1

( swas*oug )

BUT 27

peg

BYTEWR

woRDWR

NOWR
AR

vewy

by“”ffif )|

progc.

!
|worowr

BYTEWR

naa{y

B,’

r
r

r
Co

F-e

NOTE:

BUT (SERVICE CHETCH C) RESPONDS TO ANY SERVICE REQUEST OVER
A FETCH REENTRY.
BUT (D=P) SENSES A ZERO CONTENT OF THE D REGISTER.
+

PROVIDES

AS A FUNCTION OF IR DECODING.
BU\]}LAS gEgzégEAngulL FE}l{CH REE&?RYB
0
.

FOR DIFFERENT REGISTER WRITE

BYTEW

OPERATION

|
"

3(682)

RESPONDS TO ANY SERVICE REQUEST OVER A FETCH

(8)

361

FIRST USED ON OPTION/MODEL

DESCRIPTION

PDPII
=

&
A

DIMENSION IN INCHES.

TOLERANCES

wnlo

g ;

DECIMALS

ANGLES

XXX = 005

= |w

MATERIAL

—T

7
FINISH

o
DRI 102-B

- .

)

SHAR

)

EQUIPMENT

?-l5-72

CORPORATION

{

LUl

TTE
.

A
‘

DAT

9/26;72
3}-%; 1

_
NEXT

)

DATE

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RE'MOVE
AND BREAK
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SURFACE
QUALITYSHARP
"

g g

PARTS LIST

UNLESS OTHERWISE SPECIFIED

— T

WORD¥R

HIGHER

ASSY.

B-DD-KCI1-A
SCALE

BR
’ S O E ’CUDES
?
g@vaLDOP
DM@
SCPMCORE

S"";S”D"

-————f—

(7)

<Dl | Z”M‘F_ER
D

REBV-

This drawing and specifications, herein, are the property of Digital Equipment Corporation and stgall not be

| [F1
9]

reproduced or copied or used in whole or in part as

Qivici
QLVTIoiggdez
de]2 |

thg basis for _tm_e manufacture or sale of items without
1}

written

permission.

(3)

(PARTDOP* -DMg )

-0B

SUB

226

PUT SOURCE INTO B

[

DOPOS

R )

—

227

DoPg7

| R [SOURCE]

P2:D«$DAD{R [SF] AND

P1:B+R [SOURCE]

224

225

P2:0

SDAD{R [SOURCE] AND

DATO +DATOR) ; DAD=17 ; MH=§1

DOP22

254

ALTER

CODE

P1BeD.SPS-1

365

| R [SOURCE]

P2:D«fDAD{R [SOURCE] AND B}

PERATE UPON B, SQURCE
; STORE|R [SOURCE

231

OPERATE UPON B,SOURCE

DOPBS

(DATO+DATOB) ; DAD <17 ; MM<@1

R [(SF]

DAD=14

~SMg

OPERATE UPON B, SOURCE;STORE |

‘

P1:BeR [SF)
DOP@6

DoP1g

DAD=14

(SMB+XOR)

PUT SOURCE INTO B

-SM@

230

P2:D«3DAD{R [SF] AND B}

-SHg

OPERATE UPON B,SOURCE

|
sMp

DOP4

DoPgs

.suB

PS(C)

boPz1

074

P2:DeR [DESTIMINUS B;DAD=10
DATO; MM=g1

P1:BeD;SPS=3

DOP1 1

(__

(2)

PARTDOP*-SMg*DMg

)

(nowr

)

(1)

()

(BYTER
)

)

( sxroug )

( worowr

‘

DUPLICATE LOWER BYTE;STORE
3

)

Csxr=-omp

366

Pz:g(észgg)««a(?:ga);nnn=13

(B7:P8)+B(07:00);

DATOB; CLKOFF ;

)

MM=g1

BUTCSERVICE CerETtR ¢

0T T

, sus

DOP13

PUT SOURCE INTO B

121

PUT DEST INTO B

P1:B<R [SOURCE]

370

SUBTRACT B FROM DEST

—

P2:D<R [DF)MINUS B

120

SXT9g

R[pF]

Bg;;'

DOP16

|
BUT(SERVICE BAFETCH OVLAP+FETCHB) BUT 27
1]

132

SXT@1

EXTEND SIGN;STORE

234
D

PZ:BES-L”MMP%N) DAD=14;

BUT(SERVICE B+FETCH OVLAP+FETCH B

371

OPERATE UPON B, SOURCE

‘

P2:De-ALU PS(N) ;DAD=14

BUT(NOWR:BYTEWR+HORDWR)

R [DF]

EXTEND SIGN

P1:B<R [DF]

DOP14

---------

j -SUB

DOP15

| R [SOURCE]

|BUT 27

’

(9)

aap

| R [SOURCE

C CODES

(4.9)
)

;

)

Q NG -0P

P2:D+fDAD{R [SOURCE] AND B} ;DAD=14

BUT(SERVICE B+FETCH OVLAP+FETCHB] BUT 27
gop

i
DOP12

367

ALTER CODES.FINISH STORE[

NOWR

* WORDWR

. |

P1:ALTER COND CODES

CLKOFF;DAD=12;SPS=3

BYTEWR

BUT(SERVICE C+FETCH C) _ BUT 16 | gig

\JF\

DOP17
R

CODES

r
NOSTORE

362
Ol

18
Y
ALTER CODES,BYTE STORE
Ke

P1:3PS=3;CLKOFF IF OVLAP(1):CLK-0

DOP19
__Y
ALTER CODES;WORD STORE

P1:R [DF]«D(BYTE);SPS=3

CLKOFF_IF OVLAP(1);CLK=p

B+

375
5

P1:NO -OP

BUT DEFINITIONS:
,

DOP2§
NG 0P FORB0T

CLKOFF |F OVLAP(1) SCLK=

BUT (SERVICE C +FETCH C) RESPONDS TO ANY SERVICE REQUEST OVER
A FETCH REENTRY.
BUT

360
D

P1:R [DFl«-D(WORD);SPS=3

NOTE:
1.

RESPONDS

TO ANY SERVICE

REQUEST OVER A

VER A USUAL FETCH REENTRY.
(NOWR
+ BYT
PROVIDES FOR DIFFERENT REGISTER WRITE OPERATION
FUNCTTON OF TR DECODING.

FETCH OVLAP

FETCH

(18)
B2

(1)
pB1

JERVICE €
(1‘3
pps

(18)
pi1

(1)
gie

FIRST USED ON OPTION/MODEL

DESCRIPTION

PDPI I

PART NO.

—

l ITEM

PARTS LIST

TOLERANCE

.
DATE

é w

ANGLES

XXX = .005

+0° 30"

'ix

% iST/ZZ—

AE:

Sgsf
M?S?A?lL?’T

TITLE
)

:‘?2

DATE

REMOVE BURRS AND BREAK SHARP

FLOW

'%?/ATF

CORNERS SURFACE QUALITY

=15

DECIMALS

DIAGQAM

(P/\RT DO P7 SX T)

I 2074

MATERIAL
//

()

B-DD-KD|[—A

SiZz

CO:E

NUMBER

REV.

DEC FORM NG

DRD 102-B
..

DIFD|

FINISH

SCALE

SHEET

KDII-A-FD

——F—

pisT.f

This drawing and specifications, herein, are the property of Digital Equipment Corporation and shall not be

‘ ! /gs I

] a;awnu

300:)2

| =v=1i(0M
1
.

reproduced or copied or used in whole or in part as
the basis for the manufacture or sale of items without
written

permission.

(3)

(SOPMORE+SWAB)* -DM@

)

|
-0B
0B
D

$SLE4
g

—

NEG

NEGATE DEST,STORE

221

$SLOS

SWAP BYTES;STORE

P2:D<NEG OF
B

(DATO+DATOB) DAD=11

SHAB

236

OPERATE UPON DEST,STOR

P2:0(15: 08 }B(H7: ) : HM=E1

MM=§1

-(NEG+SWAB)

SSLOG

‘

220

[

ssLg7

P2: 0« JDADIDEST) ;Mi=g - 1

D(B7-08)B(15-98) DATO

NEGATE DEST

P2:D<+NEG

(DATO+DATOB) ;DAD=17

SSL1g

NEG

223

SSLg8

ALTER CODE PS(C)

211

292

l R [DEST]

DAD=14

P1:NO
:NO
-OP;1 SPS=1
SPS=

-NEG

]
P2:D«{DAD{DES
T}

DAD=1¢

‘

OPERATE UPON DEST

SSLiz

ALTER CODE PS(C)

253

]

P1:NO-0OP; SPS=1

SSL11
ALTER CODES

075

]

P1:B+D;SPS=3

""A

:
SSLO9

CODES

ROTSHF (R)*DMg

)
_

RSROM

| BYTE

OPERATE UPON DEST
2:D<R

106

RSREZ

[D(C).D(15:21)

P2:D+B
P3:R [DF}e-D

107
[ R[BF

271

B+D(C), 0(15 m)

[ 0(C),0(15:81)

D(g7:00)+B(87 :00)

’

pog

n(cwjgoé(ggém)ggr(iggAbt(J}g)m)
P3:PS(CeDn

RSR@4

‘

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273

DUFLICATE B P2:D(15:98 )+B(15:08)

C+FETCH

BUT

#18

P2:D«8;DATO
;' MM=g1
2:
’

D(97:90)+B(15:08)

ALT

BUT(SERVICE B+FETCH OVLAP+FETCH B)

BH&EN

275

[

274

RDF]

P1:ALTER COND CODES;SPS=2
CLKOFF IF OVLAP(1);CLK @

RSR11

___NO-OP FOR BUT
P1:NO-0P

;

| DUPLICATE BYTF:STORE

pra—

218

P20 A28 B(15:08) Mi=a1

NOTE :

F.JJ__)_-___UB___

f. BUT
DEFINITIONS:
UT (SERVICE

B#FETCH OVLAP4+FETCH

RESPONDS TO ANY SERVICE

OVER A FETCH OVERLAP OVERREQUEST
A

USUAL FETCH REENTRY.

SERVICE C+ FETCH C) RESPONDS

= <‘(

TO ANY SERVICE REQUEST OVER

z 3

A FETCH REENTRY.

(8)

2717
D

BUT(SERVICE C+FETCH C)

D(7;88 yB(Q7:

D(C)«-fROT(PS)C))+fSHF(ALUl5)

RSR1§
I
ER CODESFINISH STORE|
CLKOFF

233
|D(C),D¢15;81)

F2; D(15,08)=B(07; ;m)
'

P1:ALTER COND CODES;SPS=2

ALTER CODES

STORE_DEST

OPERATE UPON DEST

P3:PS(C)+DPB;SPS=1;B«D(C),D(15: g1)

RSRO7

RSRUS

!‘

P3:R [DF}«-D

RSRE5

232
|oe).oes:an|

P3:PS(C)~DA0;

272

P2:D(15:08)«B(87:80)

D(C)*fROT(PS(C))+fSHF(ALUl5)

OPERATE UPON DEST

BUT(SERVICE B+FETCH OVLAP+FETCHB) BUT 27

RSREE

)

BUT(SERVICE

P2:0<B

P1:B<R [DF]
RSRP3

[

ROTSHE(R)*-DNO

OPERATE UPON DEST

B<D(C), D(IS fll)

BYTE

PUT DEST INTO B

D(C)= RUT(PS(C>>+f3”F(AL”‘5)

STORE_DEST

(__

3?08 croéF;Mua&x

367

P3:PS(C)+DOQ;

RSR@1

374

DUPLICATE BYTE;STOR
D
P2:g(l? gg)*B(W
:00),DAD=13

s
=

BUT 18@16

—

376

SERVICE C

‘

(1)

ge2

(16)

(1)

gog

g17

g16

IRST USED

ON OPTION/MODEL
|

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DESCRIPTION

PDPII

DIMENSION IN INCHES.

TOLERANCES

DECIMALS

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XXX = .005

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This drawing and specifications, herein, are the prop-

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erty of Digital Equipment Corporation and shall not be
reproduced or copied or used in whole or in part as
the basis for the manufacture or sale of items without
'

written

permission.

(1)

‘

(: SERVICE Aj)

(4,8,9)

(5,6,7,8.9,10,12)

(: SERVICE Bj)

(6)

SERVIGE € )

(19)

<;§ERVICE D‘j)

SERVICE E

)

D
,

114

CLK FOR PTR
P3:

NO-OP

SERP1

R R]

;PTR CLK

P3:

BUT(REQUESTS) NOTE 2

002

CLK FOR PTR

BUT 26
gig

[

SER?2

RTR]

NO-OP:PTR CLK

BUT(REQUESTS)- NoTE 2

]

g17

CLK FOR PTR
P3: NO-OP;

BUT 26
gig

[

SERg3

PTR CLK

P3:

BUT(REQUESTS). notE

BUT 26
gig

SERDS

123

CLK FOR PR

[

SERP4

NO-OP;PTR CLK

BUT(REQUESTS). NoTE 2
‘

po6

CLK FOR PTR
P3:

BUT 26
gig

[

RIR

NO-OP:PTR CLK

BUT(REQUESTS) : NOTE 2
I

BUT 26
g1g

g15

NO -OP FOR BUT

RIR

P1: NO-OP

CBR*-CONSL(1)

SERD6

[

NOTES:

ENTRY INTO SERVICEZ

SERQ7

FLAGS:

ROR)

B13

CAN OCCUR BETWEEN INSTRUCTIONS

(

BUT(BR,

WAIT

AND

):BRSV-BRQ |BUT25(BUS BG IS ISSUED HERY)

FETCH):BR

SERDS

‘

g21

NO-OP FOR BUT
|
ROR
P1:NO-OP;AWBBY<J,BUS CODE=gg

RECHECKS THE PROBABLE SERVICE REQUESTS

IN PRIORITY FROM LEFT (TOP TO BOTTOM) TO

SERGY

CONSLe—p, EXAM<g8, DEP<«-8 AND BBSY+-§9

IN PRIORTTY Fnoulifg% TO RIGHT FOR BUS REQUEST,

WAIT INSTRUCTION OR REENTRY TO FETCH.
PROVIDESFOR A TRAP SEQUENCE

—

THIS WORKING BUT ALTERS THE FOLLOWING

0Toe WAL aND PEich Tgsgggggg'ro SERVICE SITUATIONS

920

BUT DEFINITIONS:

RIGHT.

FETCH

P2: NO-OP;PTR CLK;BUS CODE=D?2

FOR BUS REQUEST (BR), ERROR,OR TRACE RESPONSES; AFTER

AND BRANCHES

gy
IR

‘
WAIT FOR INTR

514

! A

TER.

]

P1: CLKOFF;RESTART AFTER.

)

FETCH

—
| INT
5 |

1B 1]

’

\{\

CLK AGAIN FOR PTR

TRAP SEQUENCES FOR POSS|BLE’RESEQUENCE: FOR CONSOLE
BUS REQUEST (CBR); FOR THE WAIT INSTRUCTION: AND FOR
START AND CONT CONSOLE OPERATIONS.
2.

THROUGH SERVIC
OF THE BUS.
THIS WORKING BUT ALSO CLEAR
THE WAIT FLAG AND SETS INTR IF AN INTERRUP

STORE VECTOR, FLAGS
|BUS DATA
P3:B,R[VEC
= UNIBUS DATA T
1(BUS SSYN 1S ISSUED HERE)

OCCURED.

BUS CODE =@@; INTR RESTART _

BUT(INTR): WAITB,

INTR«l,BRSV=0

SER11

923

NO -OP FOR BUT
P1:

NO-OP;

am
g117

816

|BUT B7

ags

NUMBER

BUSY

KDI 1-A- FD

BUS

_ P1: AWBBY«!;CLKOFF
;BUS CODE=g2
RESTART ON(BBSY (1
)*AWBBY

CONSOLE B

(11)

y BRAAIT(D

AWAIT

| R VECT]

BUS CODE=g@
.

INTR

~(INTR)

TRAP D

(8)

(19)

pe7

gp6

FIRST USED ON OPTION/MOBEL T qry. |

DESCRIPTION

PDPI]

UNLE;SM%L:(E)ZV::SHE\J(?:ECWlED

;

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PARTNO.

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DIZ®LAY STATUS

255
PS

P3. D¢ PS ; SPS=6 ; BUS CODE = &2
BUT(CBR +HALT) 3 CONS+1, EXAM

I DEP+Q ;UT 24
24

CONB2

. |

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g41

AWAIT BUS BUSY

P3:PS+D

|
o
;CLKOFF;BUS CODE= g2 ;5PS=7

RESTART ON BBSY(I)*AWBBY(])*!DLE(I)

(Wal
b4

CBR(HALT

SWITCH)

COND3

CONS.

‘

BRAKE

CONg4

]

CONgS6

’

924

CONG5

[

NO-OP FOR CONSOLE ENTRY

P3: NO-OP

730

[

L.
CON13

TEST FOR SWITCH

BUT(SWITCH) : CONS L1

HALT INSTRA

DISPLAY REG

g26

TEST FOR SWITCH
P3: NO-OP

315

P3: NO-OP

BUT B6

g26

BUT(SWITCH

fCONSL*l

BUT

¢6

]

g46

NO-OP FOR BUT

P1: NO-OP
|
~SW1TCH

NOTE:

SWITCH

CONTACT BOUNCE COUNT
PZ.Dd-f(SBCM)WHICH
If SIN CLK,

IS ZERO

BUT DEFINITIONS:

BUT(D=8)

BUT 12

’-———Q-

+3#‘7fl mfee mm; 1
-

SIN CLK MODE_IS USED.

NO ACTIVE SWITCH RESULTS IN A RETURN

TO THE SWITCH LOOP.

CON1

P3:R [TEMPCJ«-D

z —

(0=8)

y0-8

TEST WHICH SWITCH

'Ntcogg-gmfsgnsss THE END OF A DELAYING

gggngls.OggoT?DégUlD CONTACT BOUNCE.

ga4

CONg@9

COUNT LOOP.
IF NO SWITCHES ARE
ACTlVEngCRD
PROGRAM LOOPS HERE

g44

TEST COUNT
P3: R B'EMPQ]*

CONTENTS OF D REGISTER).
SENSES ANY CONSOLE CONTROL
SWITCH ACTIVATION AND GOFS
TO A

COND8

INSTRUCTION RE IS SHOWN, omsnw:sa

PS DATA IS ‘SHOWN"(’NOT

p45

B
TS

_RlIpc]

P3: NO-OP
BUT(VARIOUS SWITCHES)

CON11

BUT 38|

LOAD LAST CONS ADRS

gap

p5g

Vi 2

| R [ADRSC]

P3:D<R [ADRSC]

boaT ORS

NO SWITCH

CONSOLE

RECYCLE

(12)
9317

(12)
g35

Na :w‘ is presea’r

ap6tr '3

YoM iIle

g36

(12)
934

(12)

g32

(1)

B3g

c}/

DIMENSION IN INCHES.

DECIMALS

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XXX = 005

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CORNERS SURFACE QUALITY

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MATERIAL
S

DATE

)&W

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PARTS LIST

UNLESS OTHERWISE SPECIFIED | DRN-

@19

DESCRIPTION

PDPI I

TOLERANCES

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FIRST USED ON OPTION/MODEL
| qr.|

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NUMBER

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REV.

KDII-A-FD
1L

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(

This drawing and specifications, herein, are the property of Digital Equipment Corporation and shail not be

[0de
y_zi;_]wnu3-V-TI0M30033218
2 ]

I , -é, ’

reproduced or copied or used in whole or in part as

]

the basis for the manufacture or sale of items without
written permission.

(1)

LADQY

(11)

237

GET ADRS DATA FROM SR

EXMBD

| BUS DATA

P2: BA<(SBC=1g)

een

STORE

of>6r de e 5!{"
/

l--(

2v 2

Wt [o
Vo r /-

—BUT(BEGIN)

anr

/oa./aaélr

ADRS | 5Us

EXAN=0:DEP<

LAD@?2

DISPLAY CONS ADRS

?070'
Jo/f

CONS

DATA

P3:

-0P

-DARO=

-OP;DAD@=B(NOTE

:
BUT(REG
EXAM): -

—
BUT
85 | §32
052
[

CONSOLE PLAGS

ps3

DEPS
)

P3:

#54

REG

EXMD3

76/6 st

P2: g[%«m SADRSC]

CNT@R

(NOTE

REG

P1: NO-0P

BUT DEFINITIONS:
I

START

g63

956

CONSOLE FLAG

P3:

| _RIADRSA

FOR

P2:

BUT(REG EXAM):EXAM<]

EXMgS5

BUT B4

‘

READ REG OF BA

[

P2: D<R (BA)

WORKING BUT ALSO ORDERS
B{;NTCRgrEzggNgégG) Séggguns TO

REG CONSOLE OPERATION FOR
PROPER INCREMENTA
| ON
T
AND DATA STORAGE. THIS

WORKING BUT ALSO ORDERS

(1,12)

1@);DATI;CLKOFF

DEPZS

R BA]

STORE DEPOSIT DATA

BUS DATA

(ENABLE

SERVICE

PROCESSOR

POSITION)

CONSOLE

RESPONSES

ADDRESS

(PROVIDED BY SBC=18) UNLESS
BEGIN SWITCH INPUT 1S ACTIVE.

032

3. BECISTER SELECTION 54

[PC]eD

BUT(HALT): CONSL<g

P1: B«UNIBUS DATA

LOAD NEW R[PQ)

FETCH

THROUGH

STAZG

P1:R

FLAGS.

(HALT POSITION),

)

g55

NOTE

BA«(SBC

)

|NCREMENTATIO

INCREMENTING

965

| 93p

PROPER

BUT (BALTL SENSES THE waLT

GET.DEPOSIT DATA FROM SR | RI[ADRSCI|s %

NO-OP:DADG=1

AND DATA DISPLAY. THIS

PLUSESBC(DEP(I))

DEP24

SEQUENCING

OPERATION

REG CONSOLE UPERAT|0¥

REG

964

‘

ORKING BUT THAT

BUT (REG EXAM) RESPONSES TO

START(1)

EXMO4

IS A W

CLEARS THE EXAM AND DEP FLAGS
SWITCH BY

P2 DBA*R
!AD sc]

NOTES :

BUT B3 | gs4

MOPIST

PLUSfSBC(EXAM(l))

|_R[PC)

AND REACTS TO A BEGIN

\
TFes

B36

NO -OP AFTER A BUT

I )

PLUS 1

DEPD3

)

g62

‘

P3:R [ADRSCl+

NO-OP;DADB=0

coNT

P2: D,BA«R[ADRSC]PLUSSSBC(DEP(I))

g57

CONBTTTORAL PLUS 7T~

CONSOLE FLAGS

DEPR2
CONDITIONAL

P3: R [ADRSC]+D

p34

[ R [ADRSQ)

BUT(REG DEP): EXAMeg

P2:D,BA«R [AoRsc]PLusfsBc (EXAM(I) )

P2: D,BAeR [ADRSC)

(

P1: BA«R [ADRSC)

BUT g4 | B56

CONDITIONAL PLUS 1

(11)

)

LOAD CONS ADRS

DEPeg

EXug2

DEP

DEPRY

)

935

| R [ADRSC)

EXMg1

g51

P3:: R [AD:SC}"UN'BUS D:T; :

—_—

DATA_AS

(

P1: BA<R [ADRSC]

LADB1

(11)

)

LOAD CONS ADRS

DATI(NOTE 2) ; CLKOFF

exam

BUT 1p

STAg1

NO-OP FOR BUT

[

916

g76

R[PQ)

P1: NO-OP

|
\
DEP@S

267
‘

—

~BEGIN

BEGIN

REG

EXMBE

GET DATA, TIME our FLAG|

P2:

LOAD CONS ADRS

g32

P1:
P1:

STORE DATA

EXMO8
,

DiSPLAY DATA

P3:D«B;DADg=1

| BUS DATA
751
‘

DISPLAY ZERO DATA

BUT

FETCH C

@3 | B72

g7 1

(1)

(18)

g16

g117

g ‘:<

P1:

NO-OP

§33
[

[

’

NO -OP FOR BUT

' P2: DeB

LADB3

BUT(REG DEP): DEP<]
DEPgS

HALT SW

970

LOAD DEPOSIT DATA

968

B«UNIBUS DATA

~HALT sW

DEPB7

(12)

R[ADRSC]

DATI;D<(SBC=18);CLKOFF

EXMBT

P1: BA<R [ADRSC]

DEPGY

‘

DEPOSIT DATA

P1: D<@

P1: DATO;

-y

REG

B72
|

CLKOFF

DEP1g

Y‘
K

REG
DEPOSIT DATA

P1:

NN
k)

@)
=

R([BAJ«D

(11)

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DESCRIPTION

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PROD

DATE 9/27/S
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DATA PATHS

3 | D-C8=M7232~-@~1

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IR DECODE

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6 | D~CS-M7235~-@-1

STATUS

7 .|

INTERNAL UNIBUS ASSY

MODULE UTILIZATION

9 | A~PL-KT11-D-¢

MEMORY MANAGEMENT

REF

10 | A-PL-KJ11-A-¢

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