Varian DATA 620/i Manuel utilisateur

DATA

620/i

SYSTEM

REFERENCE

MANUAL

--~

DATA

620/i

SYSTEM

REFERENCE

MANUAL

va~ian

data

machines

fa varian subsidiary

..........

2722

michelson

drive/irvine/california/92664/(714)833·2400

C 1968 printed in USA

VDM-3000

Revision A

March 1968

CONTENTS'

Page

SECTION 1 INTRODUCTION

1. 1

General

1-1

Specifications

1-2

1.3

Use

of this Manual

1-6

SECTION 2

SYSTEM

DESCRIPTION

1 Computer Organization 2-1

2.2

Computer Word Formats

2-6

2.3

Computer Options 2-11

SECTION 3 OPERATIONAL INSTRUCTIONS

General

3-1

3.2

Sing Ie-Word Instructions 3-1

3.3

Double-Word Instructions 3-31

SECTION 4 INPUT/OUTPUT

SYSTEM

4.1 Introducti

4-1

4.2

Organizati

4-1

4.3

Program Control Functions

4-3

4.4

Optional Automatic Control Functions 4-11

Page

SECTION

CONTROL

CONSOLE

OPERATION

5.1

Controls

and

Indicators

5-1

5.2

Manual

Operation

5-1

APPENDICES A

620/i

Number

System A-1

Standard

DATA

620/i

Subroutines

B-1

Table

Powers

Two

C-1

Octal-Decimal

Integer

Conversion

Table

D-1

Octal-Decimal

Fraction

Conversion

Table

E-1

F DATA

620/i

Instructions

(Alphabetical

Order)

F-1

DATA

620/i

Instructions

(By

Type)

G-l

H DATA

620/i

Reserved

Instruction

Codes

H-1

Standard

Character

Codes

1-1

1.1

GENERAL

SECTION

INTRODUCTION

The DATA

620/i

is a

high-speed,

parallel,

binary

computer.

Its

flexible

design

and

modular

packaging

make

ideal

for

operation

both

general-purpose

machine

and

for

applica-

tion

on-line

system

component.

Its

features

include:

Fast

opera

tion:

Large

instruction

repertoire:

Word

length:

Modu

lar

memory:

Multiple

addressing

modes:

Flexible

I/O:

Extensive

software:

Modu

lar

packag

ing:

1 .

8-mi

crosecond

memory

cycle.

107

standard,

optional;

with

approxima

200

addi

ona

instruction

configurations

which

can

microcoded.

16-

18-bi

configurations.

4096

word

minimum,

32,768

words

maximum.

Direct,

indirect,

relative,

index,

immediate,

and

extended

(optional).

devi

ces

may

placed

the

I/O

bus.

The

I/O

system is

easily

expandable

include

features

such

automatic

block

tra

nsfer,

priori ty interru

pt,

and

"cycle-stealing"

data

transfers.

Complete

package

includes

assembler,

mathematics

and

I/O

library,

AID

diagnostics,

and

ASA

FORTRAN

subset.

Mounts

standard

19-inch

cabinet.

special

mechanical

environmental

facilities

are

required.

The

advanced

design

techniques

used

throughout

the

620/i

system

provide

solutions

real-time

data

acquisition,

telemetry

processing,

process

control,

and

simulation

prob-

lems.

addition,

the

DATA

620/i

well

suited

for

scientific

computations.

Special

attention

has

been

given

the

inter-

fac

probl

ems usua

y e

ncoun

tered

integra

ti ng a

ita

compu

ter

into

system.

As a resu

It,

the

DATA

620/i

joined

a system

with

unparalleled

efficiency.

1-1

1.2

SPECIFICATIONS

1-2

The

unique

design

the

620/i

makes

easy

to program,

operate

and

maintain.

The

entire

mainframe

includes

the

processor,

all

processor

options,

and

4096-word

core

memory

in a

convenient

10-1/2

inch high

rack-mountable

package.

Only

circuit

boards

different

types

are

used

in the

basic

16-bit

configuration.

Power suppl ies for

the

processor

and

to 8192 words

core

memory

are

separate

10-1/2

inch

high

package

that

mounts

behind

the

mainframe.

Thus,

the

entire

computer

requires

only

10-1/2

inches

standard

19-inch

rack.

Installation

easy,

requiring

special

mounting,

cabling,

air

conditioning

provisions.

Maintainability

the

DATA

620/i

enhanced

easy

front

access

all

wiring,

making

unnecessary

remove

panels

the

computer

rack

obtain

access

to the modu les,

con-

nectors,

and

wiring.

complete

set

software

provided

with

the

DATA

620/i

permits

rapid

preparation

application

programs.

The system

software

includes:

FORTRAN:

DATA

620/i

Assembly

System (DAS):

AID:

MAINTAIN:

Subroutine

Library:

Subset

ASA FORTRAN.

Two-pass

symbolic

assembler.

On-line

debugging

and

utility

package.

Complete

set

computer

and

peripheral

diagnostics.

Complete

library

transcendental

functions,

sing

le-

and

double-

precision

and

floating-point

ari

thmeti

forma t

conversion,

and

peripheral

service

routines.

wide

variety

peripheral

equipment

available

provide

the

DATA

620/i

user

with

complete

system

suited

specific

needs.

Specifications

the

DATA

620/i

computer

are

listed

table

1-1.

Specification

Type

Memory

Arithmetic

Table

1-1.

DATA

620/i

Specifications

Characteristics

General-purpose

digital

computer

for

on-I

ine

data

system

applications.

Magnetic

core

memory:

binary,

parallel,

single-address,

with

bus

organization.

Magnetic

core,

bits

(18

bits

optional);

1.8

micro-

seconds

II-cycle,

700-nanosecond

access

time,

4096

words minimum,

expandable

4096-word

modules

32,768

words.

Power-fai

lure

protection

optional,

non-

volatile.

Thermal

over-load

protection

standard.

Parallel,

binary,

fixed

point,

21s

complement.

Word Length

Speed

(fetch

and

execute)

Add

Subtract

bits

standard;

bits

optional.

3.6

microseconds.

Multiply

(optional)

bits

18.0

microseconds.

bits

19.8

microseconds.

Divide

(optional)

bits

18.0fo25.2

microseconds.

bits

19.8to28.8

microseconds.

Change

Input/Output

Registers

A Register

Reg

ister

X Register

1.8

microseconds.

From A

3.6

micro-

seconds.

From memory

seconds.

5.4

micro-

Accumulator,

input/output,

bits.

Low-order

accumulator,

input/

output,

index

bits.

Index

multi-purpose

16 or

bits.

1-3

1-4

Specifi

cati

Instruction

Types

Instructions

Micro-EXEC

(optional)

Table

1-1.

(Continued)

P Register

U Register

L Register

S Register

R Register

Control

Characteristi

Instruction

counter,

bits.

Instruction

bits.

Memory

address

bits.

Memory word

bits.

Shift

bits.

Operand

16 or 18

bits.

Addressing

Modes

Six

follows:

Direct:

2048

words.

Relative

to P

512

words.

Index

with

hardware:

32,768

words (does

not

add

execution

time).

Index

with

hardware:

32,768

words (does

not

add

execution

me).

Multilevel

indirect:

32,768

words.

Immediate:

operand

immediately

follows

instruction.

Extended:

operand

address

immediately

follows

instruc-

tion

(optional):

32,768

words.

Four, as follows:

Single

word,

addressing.

Single

word,

non-addressing.

DoubIe

word,

addressing •

DoubIe

word,

non-add

ressing .

107

standard,

approximately

200

microinstructions,

plus

optional.

Faci

ity

and

hardware

construct

hardwired

program

external

the

DATA

620/i.

Eliminates

stored

program

memory

accessing

for

hardwired

programs.

Specifi

cati

Control

Panel

Input

Output

Data

Transfer

External Control

(select)

Program Sense

Interrupts

(optional)

Physical

Characteri

stics

Dimensions

Weight

Power

Expansion

Installation

Environment

Table

1-1.

(Continued)

Characteri

stics

Selectable

display

and

data

entry

switches,

three

sense

switches,

instruction

repeat,

single

step,

run,

power

on/off,

system

reset.

Three types

follows:

Single

word

to/from

memory (program

control).

Single

word

to/from

and

B registers (program

control).

Optional

direct

memory

access

(cycle-steal).

Up to 512

external

control

lines.

Up to 512 status Iines may

sensed.

Power

fai

lure,

priority

interrupts

{expandable

in groups

eight}

with

group

enable/disable

and

individual

arm/

disarm.

Each

interrupt

line

associated

with

unique

memory

location.

10-1/2

inches

high,

inches

deep.

pounds,

including

power

supplies.

360

watts,

single

phase,

115

vac

± 10

vac,

48-62

Hz.

Power

supplies

are

regulated.

Additional

regulation

not

required

with

normal

commercial

power

sources.

Mainframe

package

contains

4096-word

memory,

the

processor,

and

space

for processor

options.

Addi

tiona

memory requires

additional

10-1/2

inches

rack

height

for up

8192 words of

additional

storage.

Peripheral

controllers

are

mounted

external

the

main-

frame.

Mainframe

and

power supply

packages

require

10-1/2

inches

standard

19-inch

racks.

air-conditioning,

subflooring,

special

wiring,

site

preparation

required.

100C

10%to

90%

relative

humidity.

1-S

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