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XX-5F3C6-65

May 1968

2 pages

Original

0.7MB

Document:	F-816 PDP8i Instruction List 196805
Order Number:	XX-5F3C6-65
Revision:
Pages:	2
Original Filename:	http://bitsavers.org/pdf/dec/pdp8/pdp8i/F-816_PDP8i_Instruction_List_196805.pdf

OCR Text

OPE R AT I ON
CODES 0 ·5

F-816
5 /68

ASCII CODE

MEMORY
PAGE

,_...._..

Character
A
B

I· I
INDIRECT
ADDRESSING

AOORE $ $

Memory Reference Instruction Bit Assignments

GENERATES
AN I OP 4
PUL SE AT
EVENT TI ME 3

OPERATION
COO£ 6

GE N ERATE
AN IOP l
PU LSE AT
EVENT TI ME
IF A I

IF A 1
~

,........___..

D
E
F
G
H
I
J
K
L
M
N

0
p
Q
R

,__,._..
DEVICE
SELECT IO N

GE!llEAATES
AN 10P 2
PULSE AT
E VEN T TI M E 2
IF t. 1

1 : SCL
2 : MUY 3 = 0Vl
4 :NM I 5 =SHL
6=ASA 7 • LSR

,__,._..
CONTAINS
A 1 TO
SPECIFY
EAE GROUP

'-v-'
MOL

Logical Sequence:
1
CLA
2
MQA, MQL, SCA
3 (Bits 8 thru 10 = 1) - SCL
3 (Bits 8 thru 10 =2) - MUY
3 (Bits 8 thru 10 = 3) - DVI
3 (Bits 8 thru 10 =4) - NMI
3 (Bits 8 thru 10 = 5) - SHL
3 (Bits 8 thru 10 = 6) - ASR
3 (Bits 8 thru 10=7) - LSR
EAE Microinstruction Bit Assignments

0
1
2
3
4
5
6
7
8

IOT Instruction Bit Assignments

OPERATION
COOE 7

u
v
w
x

'----.--'
CONfA!NS
A 1 TO
SPECIF Y
EAE GROuP

Code
241
242
243
#
244
$
245
%
246
~
247
(
250
251
>.
252
253
254
255
256
257
I
272
273
274
275
276
>
277
@
300
[
333
334
f
335
l
336
1'
337
EQT
204
W RU
205
RU
206
BELL
207
Line Feed 212
Retu rn
215
Space
240
ALT MODE 375
Rub Out
377
Escape
233

momooma

Character

Cod"
301
302
303
304
305
306
307
310
311
312
313
314
315
316
317
320
321
322
323
324
325
326
327
330
331
332
260
261
262
363
264
265
266
267
270
271

PDP-B/I

I NSTRUCTION LIST

Mnemonic Code

.....

Rim Loader
(Low Speed)
6032
7756/
603 1
7757 /
5357
7760/
7761 /
6036
7106
7762/
7006
7763 /
7510
7764/
5357
7765/
7766/
7006
6031
7767 /
5367
7770/
6034
777 1/
7420
7772 /
7773 /
3776
7774 /
3376
5356
7775/

Rim Loader
(High Speed)
6014
7756 /
7757 /
6011
7760/
5357
7761/
6016
7 106
7762/
7006
7763 /
7764/
7510
539f -797765/
7766 /
7006
6011
7767 /
5367
7770 /
7771 /
6016
7772/
7420
7773 /
3776
7774 /
3376
5357
7775 /

PRINTED IN U.S.A.

Operation

Time (1<sec.)

BASIC INSTRUCTIONS
AND
TAD
ISZ
DCA
JMS
JMP
IOT
QPR

0000
1000
2000
3000
4;000
5000
6000
7000

logical AND
2's complement add
increment and skip if zero
deposit and clea r AC
Jump to subroutine
JU mp
in / out transfer
operate

GROUP 1 OPERATE MICROINSTRUCTIONS

3
3
3
3
3
1.5
4.25
1.5
(1 CYCLE)

Sequence

NOP
CLA
CLL
CMA
CML
RAR
RAL
RTR
RTL
IAC

7000
7200 I
7100
7040
7020
7010
7004
7012
7006
7001

no operation
clear AC
clear link
complement AC
complement link
rotate AC and link right on e
rotate AC and link l eft o n e
rotate AC and link right two
rotate AC and link left two
increment AC

GROUP 2 OPERATE MICROINSTRUCTIONS
SMA
SZA
SPA
SNA
SNL
SZL
SKP
OSR
HLT
CLA

7500
7440
7510
7450
7420
7430
74 10
7404
7402
7600

1
1
2
2
4
4
4
4
3
(1 CYCLE)

Sequence
skip on min us AC
1
skip on zero AC
1
skip on plus AC
1
skip on non zero AC
1
skip on non.zero link
1
skip on zero link
1
skip unconditionally
1
inclusi ve OR. switch register with AC 3
halts the program
3
clear AC
2

DIGITAL EQUIPMENT CORPOR ATION