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CONTROL DATA®
MODEL 3290·0
DISPLAY EQUIPMENT
CONTROL DATA
•
General Description
•
Operation
•
Programm i ng
HARDWARE REFERENCE MANUAL
MODEL 3290-D
DISPLAY EQUIPMENT
HARDWARE REFERENCE MANUAL
SECTIONS IN THIS MANUAL:
Section I
General Description
Section II
Operation
Section III
Programming
Any comments concerning this
publication should be addressed to:
Control Data Corporation
Technical Publ ication Department
2401 North Fairview Avenue
St. Paul, Minnesota 55113
Publication No. 82122900
April 1968
Changed October 1968
C> Copyright 1968
Control Data Corporation
PRINTED I N USA
Model 3290-0 Display Equipment
HARDWARE REFERENCE MANUAL
Revised Edition
REVISION RECORD
REVI SION
A-O-O
DESCRIPTION
Released
(3-8-68)
Revised - to incorporat~~9ption lC>..03~-C (80 by 13 display
A-I-0
(8-13-68)
format) which is used in the Display Controller. Affected pages
are: cover, title, copyright, A, i, 1-1, 1-3, 1-4, 3-14, 3-30,
3-31, 3-32, 3-33.
--
DOl 219 REV 3/68
82122900
A
3290
FOREWORD
This manual contains infonnation to guide personnel in operating the CONTROL DATA Model 3290-D Display Equipment. This manual explains the operation
of the display equipment from a user's point of view and bridges the gap between the
more detai led customer eng ineering publications for each device.
Discussion in th is manual is arranged in three basic sections. A brief outl ine
of each section follows:
Section I, General Description
descriptions, and electrical data.
contains functional, operotional, physical
Section II, Operation lists controls and their functions and explains operating
procedures through use of the controls.
Section III, Programming gives programm ing aspects of the display equipment.
Information is provided on function codes, status codes, interface signals, word
formats, etc.
For a more detailed description of the equipment described herein, reference
the Model 211-G, H, J, K, l, P Display Station Reference/Customer Engineering
Manual (publication number 82117800), Model 218-F, G Printer Station Reference/
Customer Engineering Manual (publ ication number 82132900), and Model 3290-0
(with 215-8 Poller and including Option l0033-C) Customer Engineering tv\anual,
Books 1 through 4 (publication numbers 82123000, 82123100, 82135600, 82123200,
and 82123300, respectively).
82122900
Changed 10/68
3290
TABLE OF CONTENTS
Page
Section
I
GENERAL DESCRIPTION
Operational Description
Functional Description
Environmental Conditions
Physical Data
Display Controller Electrical Data
Display Station Electrical Data
Printer Station Electrical Data
Conven ience Outlets
II
OPERATION
Controls
Display Controller
Display Station
Printer Station
Operating Procedures
Turn On/Turn Off
Typical Operation Sequence
III
2-1
2-1
2-5
2-8
2-9
2-10
2-10
PROGRAMMING
Interface Signal lines
Data lines (12)
Parity line
Connect line
Function line
Read line
Write Line
Data Signal line
Master C lear line
Channel Busy line
Negate BCD Conversion Line
ii
1-1
1-2
1-4
1-4
1-6
1-7
1-7
1-9
3-1
3-1
3-1
3-1
3-3
3-3
3-4
3-4
3-4
3-4
3-4
82122900
3290
TABLE OF CONTENTS (CONT)
Section
III
APPENDIX 1 -
Reply line
Reiect line
Suppress Assembly/Disassembly line
End of Record line
Parity Error line
Status lines (12)
Interrupt lines (8)
Interface Control Codes
Connect Code
Function Codes
Status Codes
Interrupts
Symbol Data
Word Formats
Read;Write Operations
Read Operation Initiated by a Requesting Station
Read Operation Initiated by the Computer
Write Operation to a local Display Station
Write Operation to Poller
Programming Aids
Programm ing Restri ctions
Poller Translation
InterfaceS ignals
Poller Control Codes
Symbol Subset
Message Format
Error Processing
Poller Symbol Repertoire
CONVERSION TABLES
3-4
3-5
3-5
3-6
3-6
3-6
3-6
3-6
3-7
3-7
3-7
3-11
3-12
3-14
3-19
3-20
3-21
3-21
3-21
3-22
3-22
3-23
3-23
3-26
3-28
3-30
3-35
3-36
1A-1
AlPAHBETICAl INDEX
82122900
iii
3290
LIST OF ILLUSTRATIONS
Section
I
GENERAL DESCRIPTION
1-1
1-2
1-3
1-4
1-5
1-6
II
1-0
1-3
1-6
1-7
1-8
1-8
Display Controller Maintenance Panel
Auxiliary Maintenance Panel
A-C Control Panel
Display Controller Interface Panel
Data Set Interface Pane I
Display Station
Display Station Keyboard
Printer Station Typewriter Controls
Typical Operation Sequence Flow Diagram
2-1
2-3
2-3
2-4
2-4
2-5
2-6
2-9
2-11
PROGRAMMING
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
iv
Typical Set of Display Equipment
Display Station Functional Diagram
Display Equipment Block Diagram
Display Controller Physical Data
Display Station Physical Data
Printer Station Physical Data
OPERATION
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
III
Page
Figure
Computer/Display Controller Interface Lines
Connect Code
Symbol Code Quick Reference Chart
Connect Sequence
Function Sequence
Simplified Read Timing
Simplified Write Timing
Poller Interface Signals
Genera I Message Format
Symbol and Function Codes, Binary Translation
3-2
3-7
3-14
3-17
3-18
3-20
3-21
3-24
3-30
3-37
82122900
3290
LIST OF TABLES
Section
I
GENERAL DESCRIPTION
1-1
1-2
1-3
II
1-5
1-5
1-5
Maintenance Panel Controls and Indicators
Turn On/Turn Off Procedures
2-2
2-10
PROGRAMMING
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
82122900
Display Controller Environmental Conditions
Display Station Environmental Conditions
Printer Station Environmental Conditions
OPERATION
2-1
2-2
III
Page
Table
Display Controller Function Codes
Display Controller Starus Conditions
Display Controller Interrupts
Symbol Repertoire
Word Formats
Control Codes
Symbol Subset Conversion to Computer
Symbol Subset Conversion from Computer
Messages Sent by the Poller
Messages Received by the Poller
3-8
3-10
3-12
3-13
3-15
3-26
3-29
3-29
3-31
3-33
v
I
o
Figure 1-1. Typical Set of Display Equipment
3290
SECTION I
GENERAL DESCRIPTION
The display equipnent, designed for use with a CONTROL DATA 3000
Series computer, consists of a Display Controller and a combination (not to exceed 12)
of Display Stations, Pri nter Stations, and po II ers •
A typical set of display equipment is shown in figure 1-1. The display equipment provides access to data storage and computational capabil ities of a central computer complex by means of inquiry and retrieval Display Stations. To obtain hardcopy
records of displayed messages, transfer data to an associated off-line Printer Station.
The poller allows communications between the computer and remote sites.
The Display Stations and/or Printer Stations may be located as far as 1000
feet from the Dispray Controller. A Display Station and its associated logic circu itry
must be employed for every Printer Station used; however, one Printer Station may
serve more than one Display Station. The poller assembly controls communications
between the 3000 Series computer and a remote terminal Display Controller. Communications between the poller assembly and the remote Display Controller take place
over conventional phone lines utilizing a DATA-PHONE * Data Set 201A or 2018.
OPERATIONAL DESCRIPTION.
Data is entered on>the Display Station 14-inch (diagonal measurement)
cathode ray tube (crt) screen from the computer at an approximate rate of 50,000
symbols per second and from the Display Station keyboard at operator typing speeds.
Standard display format is 20 lines of 50 symbols per line within a nominal 8-inchwide by 6-inch-high raster area. An optional display format is available with 13
lines of 80 symbols per line.
Symbol intensity is adiustable and the P4 phosphor-coated crt makes displays
clearly legible in normal office lighting. Data presented on the display screen is
refreshed at a flicker-free rate of 50 cycles per second. Symbol dimensions are
nominally 1/8-inch wide by 1/4-inch high.
* Trademark of AT&T
82122900
Changed 10/68
1-1
General Description
3290
Section I
An entry marker, displayed as an underline, conveniently indicates to the
operator where the next symbol will appear. The entry marker can be positioned
anywhere with in the 8 by 6 inch viewing area and moves automatically across the
page as each symbol is typed, or inserted by the computer. At the end of a line,
the entry marker automatically moves to the first symbol position in the next line
down. When it reaches the end of the last I ine on the page, it automatically moves
to the first symbol position in the upper left corner of the screen.
Positioning the entry marker at the end of the print message and depressing
the keyboard PRINT key transmits displayed messages to an associated Printer Station.
Data from the top of the screen to the entry marker position is transmitted to the
Printer Station and typed out at the rate of 15.5 symbols per second on continuous
strip paper 9-7/8 inches wide and perforated for folding and tearing at ll-inch
intervals.
FU NCTIONAL DESCRIPTION.
The remainder of Section I describes in more detail primary Display Controller, Display Station, and Printer Station functions.
The Display Controller consists of an interface, central control and symbol
generator assembly, station driver assemblies, printer driver assembl ies, and may
contain up to two poller assemblies. On diagrams and some figures the central control
and symbol generator assembly is referred to as CBU, station drivers as SDU's and
printer drivers as PCU·s.
The interface enables Display Controller communications with a 3000 Series
computer. Two cables (up to 200 feet long), identified as "All and "BII, provide the
data link between the computer and Display Controller. Twisted-pair signal lines,
contained in cables A and B, are described under interface signals in Section III.
Symbol generation, timing, and data flow gating logic are contained in the
central control and symbol generator assembly. Video pulse trains, representing
symbols, are developed in the symbol generator. These pulse trains are made available to each station driver. The station driver selects the proper pulse train and
transmits it to the crt where it is displayed by unblanking the beam in a 5 by 7 dot
matrix. Symbol dimensions are, nominally, 1/8-inch wide by 1/4-inch high. Each
station driver contains logic circuitry controlling the operation of a Display Station.
It receives data from the Display Station keyboard and the central control symbol
generator assembly. All data sent to the station driver is stored in an assoc iated
1-2
82122900
3290
Section I
General Description
10-millisecond magnetostrictive delay-line memory. All stored data is assembled
and decoded in each station driver, fed to the Display Station, and displayed on
the crt. The display remains visible as long as stored data is continually refreshed
on the crt. Figure 1-2 is a functional diagram of the Display Station.
DISPLAY
CONTROLLER
MATRIX
7
5
ENTER L TTER A
FROM KEYBOARD
Figure 1-2. Display Station Functional Diagram
One symbol requires 16.8 microseconds to display while one line is displayed
in 991.2 microseconds. Twenty lines of 50 symbols, therefore, require 19.824 milliseconds allowing 9 symbol times for horizontal retrace. Thirteen lines of 80 symbols
require 19.437 milliseconds.
A printer driver contains the Printer Station control logic. Data from the
station driver assembly register is translated and sent to the printer driver. Printer
control and priority control logic are in the printer driver. One Printer Station can
serve as an output device for up to 10 Display Stations if one poller is used or it can
be used for an output device for up to 9 Display Stations if two pollers are used.
82122900
Changed 10/68
1-3
General Description
3290
Section I
Each Printer Station contains a Selectric * typewriter; depressing the PRINT key at
a Display Station activates the typewriter. If the PRINT keys at several Display
Stations associated with a Printer Station are depressed while the Printer Station
is busy printing, the requests are processed in order of lowest Display Station number.
Type set is designated IIData No. 111 ** and type spacing is 10 symbols per inch in
a line with 6 lines per inch. The printer uses a black fabric ribbon to type symbols
on a 9-7/8-inch-wide continuous strip paper. The paper is perforated for folding
and tearing at ll-inch intervals. Feed holes are 9-3/8 inches apart and spaced
1/2 inch in the longitudinal direction.
Printout is accomplished at the following speeds: print one symbol, 64.5
milliseconds; carriage return, 129.0 milliseconds; shift, 64.5 milliseconds; and
space, 64.5 milliseconds.
The Display Controller may contain a maximum of two pollers. Data is sent
to or from the remote stations via the poller in 8-bit serial codes. The Data Set
synchronizes all received or transmitted data. A poller controls the remote site1s
requests to transfer data by periodically polling (scanning) them in sequential order.
ENVIRONMENTAL CONDITIONS.
The Display Controller operates at normal room temperature but has a blower
assembly housing located beneath the logic chassis assemblies for specific cooling
of the logic chassis. The Display Stations and Printer Stations also operate at normal
room temperature but are cooled by radiation and convection. Tables 1-1 through
1-3 list specific environmental limitations for all three units.
PHYSICAL DATA.
The display equ ipment configuration may consist of no more than 12 Display
Stations, Printer Stations, and pollers. No more than two pollers may be employed,
so the maximum display equipment configuration that would be possible locally
would be a combination of ten Display Stations and/or Printer Stations with two
pollers. The pollers are capable of communicating with up to 16 remote Display
Controllers. Refer to figure 1-3.
* IBM
** IBM
1-4
Trademark.
Classification.
82122900
Changed 10/68
Section I
3290
General Description
TABLE 1-1. DISPLAY CONTROLLER ENVIRONMENTAL CONDITIONS
OPERATIONAL
Normal/Standby
CONDITION
NONOPERATIONAL
Stor~ge/Tran_s~t (Note 1)
Temperature
+65 F to +85 F
- 30 F to + 150 F
Relative Humidity
10 to 900k
a to
Altitude
- 1000 to + 10,000 feet
- 1000 to + 15, 000 feet
Note 1
Note 2
-
1000k (Note 2)
packed for shipment.
includes condensation in the form
of mo istu re or frost.
TABLE 1-2. DISPLAY STATION ENVIRONMENTAL CONDITIONS
OPERATIONAL
Normal/Standby
CONDITION
NONOPERATIONAL
Storage/Transit (Note 1)
Temperature
+65 F to + 100 F
- 65 F to + 160 F
Relative Humidity
40 to 600k
10 to 900k (Note 2)
Altitude
8, 000 feet
12, 000 feet
Note 1
-
packed for sh ipment.
Note 2
-
includes condensation in the form of moisture
or frost.
TABLE 1-3. PRINTER STATION ENVIRONMENTAL CONDITIONS
OPERATIONAL
Norma I/S tandby
CONDITION
NONOPERATIONAL
Storage/Transit (Note 1)
Temperature
+ 60 F to + 100 F
- 30 F to + 150 F
Relative Humidity
10 to 900k
5 to 1000/0 (Note 2)
Altitude
- 1000 to + 10, 000 feet
- 1000 to + 15,000 feet
82122900
Note 1
-
packed for shipment.
Note 2
-
includes condensation in the form of
moisture or frost.
1-5
3290
General Description
UPTO 8
REMOTE
SITES
.-
Section I
CONTROL DATA
3000 SERIES
COMPUTER
DATA
SET
DATA
SET
TO 8
--. UP
REMOTE
SITES
DISPLAY CONTROLLER
-
POLLER
-
INTERFACE
POLLER
CENTRAL CONTROL
AND SYMBOL
GENERATOR
I
PRINTER
DRIVER
I
STATION
DRIVER
/
"'-
/
PRINTER
STATION
--
TOTAL COMBINATION:
UP TO 11 WITH T POLLER
UP TO 10 WITH 2 POllERS
~.
..
----
DISPLAY
STATION
Figure 1-3. Display Equipment Block Diagram
Physical construction of the display equipment incorporates latest recognized
factors in engineering, convenience, and safety to operating personnel Figures 1-4
through 1-6 show the dimensions and approximate weight of the Display Controller,
Display Station, and Printer Station respectively.
0
DISPLAY CONTROLLER ELECTRICAL DATA.
The Display Controller requires 57 to 63 Hz, 187 to 216 volts, 3-phase
alternating current of 8 amperes. Each station driver or printer driver requires 0.4
ampere in addition to that required for the Display Controller.
1-6
82122900
Section I
3290
General Description
NOTE: Only on units
with pollers. - - - . .
Figure 1-4. Display Controller Physical Data
DISPLAY STATION ELECTRICAL DATA.
The Display Station requires 115/23Q-volt, 50/60-Hz, 3-wire, single-phase
power. Power expended is 130 watts with heat dissipation of 465 Btu per hour.
Voltage potentials in the Display Station range from - 16 volts dc to 10 kilovolts.
PRINTER STATION ELECTRICAL DATA.
The Printer Station requires 120-volt, single-phase, 60-Hz power. It has a
maxi mum current rating of 1 .0 ampere, dissipates 400 Btu per hour, and is cooled
by rad iation and convection.
82122900
1-7
3290
General Description
Section I
. 1-17-3/4"-j
I
16-5/8 11
-!
Figure 1-5. Display Station Physical Data
24-5/8" ----~
28"
WEIGHT = 175 POUNDS
Figure 1-6. Printer Station Physical Data
1-8
82122900
Section I
3290
General Description
CONVENIENCE OUTLETS.
To facilitate the use of test equipment during periods of maintenance, Control Data requires that a convenience outlet be available within 15 feet of each
system component cabinet. The outlets may be located in the walls or raised floor
panels and must not be obstructed by storage racks or other furniture. The receptacles shall be of the single-phase grounded type, installed according to local electrical codes. For 60-hertz installations, the nominal voltage shall be 120 volts. For
50-hertz installations, the nominal voltage shall be 220, 230, or 240 volts, as
dictated by the single-phase power available at the site.
82122900
1-9
3290
SECTION II
OPERATION
Th is section contains a I ist of control s for operation and maintenance of the
display equipment and also contains information on data inquiry, and turn on/turn off
procedures.
CONTROLS.
Display Equipment controls are divided into three groups: Display Controller,
Display Station, and Printer Station. Following paragraphs explain control usage
within each group.
The Display Controller maintenance panel controls apply power and enable
checking the display equipment operational sequence. Display Station controls apply
power and adiust crt intensity. The Display Station keyboard enters data into the .
display equipment and controls its destination. Printer Station controls apply power
to the hardcopy printer.
DISPLAY CONTROLLER.
Figure 2-1 shows the Display Controller maintenance panel
explains the ca II outs •
3
0
4
Table 2-1
5
6
Figure 2-1. Display Controller Maintenance Panel
82122900
2-1
Operation
3290
Section III
TABLE 2-1. MAINTENANCE PANE L CONTROLS AND INDICATORS
CONTROL
NAME
CONTROL
TYPE
1
SDU BUSY
1 through 12
Indicators
white
Indicates the print busy
status of each Display
Station.
2
SDU ACTIVE
1 through 12
Indicators
white
Indicates the input/output
status of each Display
Station ..
3
CONNECT
Indicator
white
Indicates the Display Controller is connected to the
compu ter by a compu ter
connect code.
4
PARITY
Indicator
red
Indicates the Display Controller has detected a
transmission parity error.
5
POllER TEST/
RUN/MASTER
CLEAR
lever switch
3-position
POLlER TEST allows
communications between
remote site and poller.
RUN enables normal
Display Controller operation. MASTER CLEAR clears Display Controller
logic and all data from the
delay-line memory within
each station driver.
6
POWER ON/OFF
Two pushbutt()ns
Turns Display Controller
cabinet power on and off.
CALLOUT
FUNCTION
The auxiliary maintenance panel (figure 2-2) contains a toggle switch and a
light for each of the sixteen possible remote sites (8 for each poller). The corresponding site address for each switch is labeled directly below the switch. If a switch
is in the down position, the corresponding remote site receives a poll message from
the poller. If it is in the up position, its site address is not polled in the poller
sequence ..
The indicator for each site, located directly above the switch, illuminates
when a poll message is initiated to its corresponding remote site. The indicator
extinguishes when the poller receives an errorless message from that site. If a
particular indicator remains illuminated indefinitely I there is a communications
2-2
82122900
3290
Section II
Operation
problem between that site and the poller. The switch corresponding to th is indicator
should then be placed in the up position This will extinguish the light and remove
the site from the system
0
0
Figure 2-2. Auxiliary Maintenance Panel
Circuit breaker CB 1 on the a-c control panel (figure 2-3) applies primary
20B-volt, 3-phase power to the Display Controller. Also on this panel are two
120-volt ac convenience outlets and a meter, Ml, which indicates the total number
of hours power has been appl ied to the Display Controller. The six fuses located on
the panel provide circuit protection for the power supplies, blower assembly, and
convenience outletso
V!
1$
....-- CIRCUIT BREAKER
,Figure 2-3. A-C Control Panel
{8.212'2900
.2-3
3290
Operation
Section II
The interface panel contains the EQU IPMENT SELECTOR rotary switch
(figure 2-4) for selecting a specific exterr)al equipment address 0 through 7 for the
Display Controller. The switch setting also determines which interrupt line to the
computer is used. Four receptacles are provided for connecting the Display Controller
to the computer; only two are used at one time. The other two shou Id be terminated
if not in use.
:
•
....
"
6 " $EI.£~
I
1;U_IIT
Jill
J21l
Figure 2-4. Display Controller Interface Panel
Figure 2-5 shows the Data Set interf~ce panel. This panel provides the
power and data outlets for two pollers. Jl and J2 are the data cable receptables
whi Ie J3 and J4 provide 120-volt ac , 60 Hz power to the Data Set.
-.
'OlU_ t
..
..
I~.
O'!A H1
01li1'
..
~.
,.
_ _ }F-
~
ro.
HT
Oat'
DIU
't
Jl
,-J/Z
~
n
0.
j
/·1/2
0•
J.
Figure 2-5. Data Set Interface Panel
2-4
82122900
3290
Section II
Operation
DISPLAY STATION.
Rotating the ON/OFF/INTENSITY control, located on the right side of the
Display Station, toward the rear of the cabinet turns the Display Station on; further
rotation increases the intensity of the displayed symbols. The ON/OFF/INTENSITY
control being off does not prevent communication on the interface between the
computer and the delay-line memory and does not disable keys on the keyboard,
except the SHIFT key. Figure 2-6 shows the Display Station and figure 2-7 shows
the Display Station keyboard.
ON/OFF/INTENSITY
CONTROL
----KEyBOARD
Figure 2-6. Display Station
Four rows of keys on the Display Station keyboard enter symbols into the
delay I ine for display on the crt. Depression of a key enters the code for the symbol
indicated on the key into memory at the position of the entry marker, generates the
symbol on the crt, and advances the entry marker. The keyboard is inoperative
during the following intervals:
(a)
SEND key is depressed until the end of a read message from or a write
message to that .station •
(b)
PRINT key depressed unti I printout is complete. The C LEAR key is not
locked out during printout.
82122900
2-5
Operation
3290
Section II
Figure 2-7. Display Station Keyboard
(c)
The station is connected and the Channel Busy signal is a logical 1.
(d)
Reset function or reset clear function is being performed by the Display
Station.
The following list explains the operation of the control keys.
Clear.
Depress the C LEAR key to clear all data from the delay Iine and from the crt.
The entry marker moves to the upper left corner of the screen. Th is operation prevents sending or rece iv ing data from the time the key is depressed until 16.8 microseconds to 20 mill i seconds after the key is re leased. (The time variation is due to
latency characteristics of the de lay line).
2-6
82122900
Section II
3290
Operation
Reset.
Depress the RES ET key to move the entry marker to the upper left corner
without affecting data. This operation prevents sending or receiving data from the
time the key is depressed until 16.8 microseconds to 20 milliseconds after the key
is re leased.
Sh ift.
Continued depression of either SHIFT key enables entry of the upper symbol
on the two-symbol keys. Operation of the single-symbol keys is not affected by
the SHIFT keys; all alphabetic symbols are displayed in uppercase form. The SHIFT
keys are non locking •
Space.
Operating the SPACE key stores a space code in the delay line at the position
of the entry marker and advances the entry marker. Data is not affected.
Skip.
Depress the S KIP key to move the entry marker one space forward. Data
is unchanged.
Repeat.
Operating the REPT key in coniunction with another key enables a repeated
action of that key's character/function. CLEAR, PRINT, RESET, SEND, and SHIFT
keys are not affected by the REPT key.
Backspace.
The BKSP key moves the entry marker one space back without changing data.
Backspace is accomplished in 10 milliseconds minimum to 90 milliseconds maximum,
during which time no data can be transferred on the data channel.
82122900
2-7
Operation
3290
Section II
Line Skip.
Depress the LINE SKIP key to advance the entry marker to the beginning of
the next line. Line skip is accomplished in 151.2 microseconds minimum to 1 millisecond maximum, during which time no data is transferred between a connected
Display Station and the computer.
Return.
Operation of the RETU RN key inserts a carriage return code at the entry
marker position and moves the entry marker to the first symbol position on the next
line. The carriage return is displayed as a superscript dash (). The return takes
from 151.2 microseconds (if the entry marker is at the end of a line) to 1 millisecond
(if the entry marker is at the beginning of a line), during which time no data can
be transferred between the Display Station and the computer.
Send.
~
The SEND key stores an end of message symbol (elevated ) at the entry
marker posi tion and moves the entry marker to the upper left corner. Data transfer
is prevented during the time (16.8 microseconds minimum to 20 milliseconds
maximum) the entry marker is moving.
Print.
Operation of the PRINT key stores an end of print code (') at the entry
marker position, moves the entry marker to the upper left corner, and initiates
printout of data from the upper left corner to the end of print code on an associated
Printer Station. The keyboard, except for the C LEAR key, is disabled during
printout. During printout, the Display Station is not ready to the computer.
PRINTER STATION.
Figure 2-8 shows the Printer Station typewriter controls Note the location
of the ON/OFF switch to the right of the keyboard. A multipaper adjustment
(top left) provides even printing for carbon copies. Remaining controls are common
0
2-8
82122900
3290
Section II
Operation
to an electric typewriter and include the following: platen knobs for manually
advancing the paper, a line space lever for single or double spacing, a paper
release lever, left and right visible margin stops, an impression selector lever which
adjusts the striking force of the typing element, a tab set and clear control, tab
key, index key, shift keys, margin release, space bar, etc.
Refer to the IBM Selectric Manual supplied with the equipment for more
detailed information about the typewriter.
PLATEN
KNOB
MULTICOPY
CONTROL
LINE SPACE
PAPER
- - RELEASE
IMPRESSION
SELECTOR
LEFT-RIGHT
MARGIN
Figure 2-8. Printer Station Typewriter Controls
OPERATING PROCEDURES.
The remainder of th is section describes normal operating procedures for the
display equipment. Included are turn on/turn off procedures followed by a typical
operation sequence.
82122900
2-9
Operation
3290
Section II
TURN ON/TURN OFF.
Turn on/turn off procedures are listed in table 2-2. For precautionary
measures, it is recommended the steps be followed in the order listed.
TABLE 2-2. TURN ON/TURN OFF PROCEDURES
STEP
LOCATION
I
OPERATION
I
TURN ON
1
Display Controller
Place the POWER ON/OFF switch in the ON
position. Move RU N/MASTER C LEAR switch
to MASTER C LEAR position, then to RU N
position.
2
Display Stations
Rotate the ON/OFF/INTENSITY control to the
ON position. Depress the CLEAR key. After
a 30-second warmup period, rotate ON/OFF/
INTENS ITY control until the entry marker is
visible.
3
Printer Stations
Depress the ON/OFF rocker switch to the ON
position.
TURN OFF
Printer Stations
Depress the ON/OFF rocker s~itch to the OFF
position.
2
Display Stations
Rotate the ON/OFF/INTENSITY control to the
OFF position.
3
Display Controller
Place the POWER ON/OFF switch in the OFF
position
0
TYPICAL OPERATION SEQUENCE.
F'igure 2-9 is a flow diagram depicting a typical operation sequence. Depress
the CLEAR key on the Display Station keyboard to clear the display screen. The
operator then enters data via data entry keys. When data is properly composed, it
may be sent to the computer by actuation of the SEND key, or to a Printer Station,
which shares memory with the Display Station, by depressing the PRINT key.
2-10
82122900
Operation
3290
Section II
The computer may respond to properly transmitted data by sending the
requested data or a message acknowledging receipt of the transmitted data. The
operator may then print the reply data, or edit it (eg, fill ing in information on a
blank form, or updating stored data), and transmit the edited data back to the
computer.
DEPRESS
CLEAR
KEY
MESSAGE
DIRECTED TO
PRINTER
OMPOSE ..............
MESSAGE
DEPRESS
PRINT
KEY
NO
NO
DEPRESS
SEND
KEY
NO
COMPUTER
REPLY
Figure 2-9. Typical Operation Sequence Flow Diagram
82122900
2-11
3290
SECTION III
PROGRAMMING
This section describes programming aspects of the display equipment. It
provides a complete description of signals, function and status codes, interrupts,
symbol data, word formats, various read/write operations, and programming aids
for both interface and poller assemblies.
INTERFACE SIGNAL LINES.
The Display Controller operates from the standard (12 bit) 3000 Series standard
communications channels. Figure 3-1 shows the interconnecting data and control
lines between the computer communications channel and the Display Controller.
Following is a description of each line or group of lines.
DATA LINES (12).
There are 12 bidirectional data lines. During a read operation (input to the
computer), these data lines carry data, 12 bits at a time, from the Display Controller
to the computer. During a writ~ operation (output fro~ the computer),· the data
lines carry data from the computer to the Display Controller. The data lines also
are used to transmit the 12-bit connect and function codes associated with Connect
and Function signals, respectively.
PARITY LINE.
A parity bit accompanies each 12 bits of data, connect code, and function
code transmitted between the computer and the Display Controller. Odd parity is
used, ie, the total number of lis transmitted is always an odd number.
CONNECT LINE.
A Connect signal is sent to the Display Controller when a 12-bit connect
code is available on the dato lines. The li>isplay Controller connects only if the
following conditions are met:
82122900
3-1
Programm ing
3290
Section III
..
ISA SEMBLY _
SUPPRESS ASSEMBLY!Os
.-
DATA LINES (12)
-
PARITY LINE
-
....
CONNECT
3000 SERIES
STANDARD
COMMUNICATION
CHANNEL
,;..
READ
·-
WRITE
.-
DATA SIGNAL
..-
MASTER CLEAR
..-
NEGATE BCD CONVERSION
...-
....
.-
....
---
-·
-..
FUNCTION'
CHANNEL BUSY
...-
..-
REPLY
-
DISPLAY
CONTROLLER
-.,.
·-
REJECT
END OF RECORD
PARITY ERROR
STATUS LINES (12)
INTERRUPT LINES (8)
Figure 3-1. Computer/Display Controller Interface Li nes
3-2
(a)
The most significant 3 bits of the connect code must match the number
setting of the EQUIPMENT SELECTOR switch.
(b)
Display Controller power is on.
(c)
The RU N/MASTER C LEAR switch is in the RU N position.
(d)
Parity is correct.
82122900
Section III
3290
Programming
No response is returned when a parity error exists on the connect code;
however, the red PARITY error indicator on the Display Controller maintenance panel
(figure 2-1) lights on all Display Controllers and external equipment controllers
associated with that communications channel. After a delay of 100 microseconds,
the communications channel generates its own internal Reiect signal.
Once a Display Controller is connected to the computer, it remains connected
until the communications channel initiates a disconnect. To perform a disconnect,
send any connect code with the upper 3 bits not matching the Display Controller
EQUIPMENT SELECTOR switch setting, a Master Clear signal, or a release function
code.
FU NCTION LINE.
A Function signal is sent to the Display Controller when a 12-bit function
code is available on the data I ines (function codes are listed under interface control
codes). If the Display Controller is connected to the computer and is capable of
executing the specified function at the time it receives the Function signal, it
initiates the function and returns a Reply signal. If the Display Controller cannot
perform the function, it returns a Reiect signal. The Function signal and 12-bit
function code drop when a Reply or Reiect signal is returned. If a Reply or Reiect
signal is not returned within 100 microseconds, the computer generates its own
internal reiect.
The specified function is not performed if a parity error exists on the function
code; however, a Parity Error signal is returned by the Display Controller and the red
PARITY error indicator on the Display Controller maintenance panel (figure 2-1)
lights.
Once a function code is accepted by the Display Controller, all other function
codes are locked out until the first one is acted upon. The Display Controller does
not hold or stack up the function codes; a Reply or Reiect signal is returned within 5
microseconds. If a second function code is received which specifies the same function
as the previous function code, the second function code is reiected unless the function
can be performed immediately a second time.
READ LINE.
A Read signal transmitted to the Display Controller directs the Display Controller to begin reading data from a specified Display Station memory.
82122900
3-3
Programming
3290
Section III
WRITE LINE.
A Write signal transmitted to the Display Controller directs the Display Controller to begin writing data into a specified Display Station memory.
DATA SIGNAL LINE.
A Data signal is sent from the computer to the Display Controller for each
12-bit data word du.ring read and write operations. The Data signal drops when a
Reply (or End of Record) signal is transmitted by the Display Controller.
During a read operation, the Data signal indicates that the computer is ready
to accept a 12-bit data word from the Display Controller. During a write operation,
the Data signal indicates that the computer placed a 12-bit data word on the data
lines.
MASTER CLEAR LINE.
A Master Clear signal sent from the computer returns the Display Controller
to its initial clear condition and starts the polling operation.
CHANNEL BUSY LINE.
A Channel Busy signal is sent to the Display Controller when the computer
communications channel is active during a read or write operation.
NEGATE BCD CONVERSION LINE.
When the Negate BCD Conversion signal is a logical 1,external BCD codes
are used; when the N,egate BCD Conversion signal is a logical 0, internal BCD codes
are used. ' Refer to Symbol Data in th is section.
REPLY LINE.
The Display Controller transmits a Reply signal in response to the following:
3-4
82122900
3290
Section III
Programm i ng
(a)
A connect code having no parity error and containing a matching
Display Controller EQUIPMENT S ELECTOR switch equ ipment se lect
code and proper select code.
(b)
A function code received with no parity error if the Display Controller
is capable of executing the specified function at the time it receives
the Function signal.
(c)
During a write operation after the Display Controller has read a data
word.
(d)
During a read operation when the Display Controller has a word on the
data lines (see End of Record signal for exception).
The Reply signal drops when the Connect, Function, or Oata signal drops.
REJECT LI NE •
The Display Controller transmits a Reiect signal in response to the following:
(a)
A connect code (with no parity error) specifying a nonexistent or busy
station.
(b)
A function code (with no parity error) specifying an illegal function.
(c)
A function code (with no parity error) which cannot be performed
within 5 microseconds after receipt of the Function signal (refer to
programming aids for such conditions).
(d)
An alert function to a poller that had its alert request status cleared,
or an alert function to any station other than a poller
0
SUPPRESS ASSEMBLY/DISASSEMBLY LINE.
During a read operation, the Suppress Assembly/Disassembly signal forces the
Display Controller to assemble logical O·s in bits 6 through 11 of each 12-bit data
byte. In a write operation, bits 6 through 11 are not used when the Suppress
Assembly/Disassembly line is enabled. The signal has no effect on the address word
during a read operation initiated by an interrupt.
82122900
3-5
Programming
3290
Section III
END OF RECORD LINE.
The Display Controller transmits an End of Record signal (instead of a Reply
signal) in response to the next Data signal following transmission of EOM signal.
The End of Record signal drops when the Data signal drops. If the Read signal drops
before the read operation completes, the End of Record signal is not transmitted
because the remaining data is not transmitted.
PARITY ERROR LINE.
The Display Controller transmits a Parity Error signal when a parity error
occurs on a function code or write operation. No Parity Error signal is generated
for a parity error occurring on a connect code or read operation. During a write
operation, a parity error on one word of a 12-bit byte results in displ~y of both words
as parity error symbols when the Suppress signal equals -0.
STATUS LINES (12).
The Display Controller places information on the 12 available status lines
following a connect operation to indicate its operating conditions to the computer.
Display equipment status remains enabled to the computer until a disconnect is sent
from the computer. The computer may sample the status lines at any time. Status
bits are listed under interface control codes.
INTERRUPT LINES (8).
Each Display Controller and external equipment controller attached to a
given computer communications channel is assigned to one of eight separate interrupt
lines selected by the EQUIPMENT SELECTOR switch. The interrupt line indicates
to the computer that a predetermined condition has been reached. The interrupting
condition can be determined by program sampling the status lines following transmission of an Interrupt signal if connected.
INTERFACE CONTROL CODES.
Interface control codes include connect, function, and status codes. The
connect code is used in addressing the display equipment. Function codes, with
3-6
82122900
3290
Section III
Programm i ng
the exception of reset, alert, and release, set up and remove interrupt conditions in
the Display Controller. Status codes indicate what conditions exi st at the Display
Controller. Following is a description of the connect code, display equipment function codes, and status line assignments.
CONNECT CODE.
The connect code is 12 bits long and is transmitted to the Display Controller
on the 12 data I ines along with a Connect signal on the connect line. The Display
Controller interprets the connect code (figure 3-2) as follows:
11
9 8
EQUIPMENT
SELECT
STATION
SELECT
Figure 3-2. Connect Code
Bits 9 through 11 designate the number setting of the Display Controller
EQUIPMENT SELECTOR switch. The station select portion of the connect code
allows selection of a Display Station or poller or selection of a Display Station or
poller that caused an interrupt. Bits 4 through 8 are not interpreted.
FUNCTION CODES.
Function codes are 12 bits long and are transmitted to the Display Controller
on the data lines along with a Function signal on the function line. Table 3-1 lists
and describes Display Controller function codes.
STATUS CODES.
Twelve status lines are available for indicating display equipment operating
conditions to the computer. The computer may sample these lines at any time.
82122900
3-7
Section III
3290
Programm ing
TABLE 3-1. DISPLAY CONTROLLER FUNCTION CODES
OCTAL
CODE
FUNCTION
DESCRIPTION
0000
Release
Disconnects the Display Controller from the
computer and clears all interrupt selections
and parity error indications. Also master
clears a poller if the poller is connected.
0010
Reset Entry Marker
Positions the entry marker on selected Display Station or poller to upper left corner
to prepare for a read or write. The Display
Station or poller indicates busy status for
3.2 microseconds to 20 milliseconds after
receipt of the function. Generally precedes a write or computer-initiated read
0
0011
Reset-Clear
Simi lar to a reset entry marker function
except data is cleared from the delay line
When addressed to a poller, the function
does not clear the delay line but clears
existing send requests. The Display Station or poller indicates busy status for
20 to 40 milliseconds upon receipt. Generally precedes a write to local station.
0
0020
Select Interrupt for
Ready and Not Bu sy
(Note 1)
Allows generation of an interrupt when
printer operation completes. Rese lection
removes an interrupt resu Iting from a
previous selection.
0021
Clear Interrupt Enable
for Ready and Not Busy
(Note 1)
Removes interrupt and selection resulting
from code 0020.
0022
Select Interrupt on End
of Operation
(Note 1)
Allows generation of an interrupt when the
read or wri te operations or a reset or a
reset clear operation completes. Reselection removes interrupt resulting from a
previous operation.
3-8
82122900
Programming
3290
Section III
TABLE 3-1. DISPLAY CONTROLLER FUNCTION CODES (CONT)
OCTAL
CODE
FUNCTION
DESCRIPTION
0023
Clear Interrupt on End
of Operation
(Note 1)
Removes interrupt and selection resulting from code 0022.
0024
Select Alert
Interrupt
Allows generation of an interrupt upon
completion of an alert message by a
poller. Reselection removes an interrupt resulting from a previous operation.
0025
Clear Alert
Interrupt
Clears interrupt and se lection due to
code 0024.
0026
Select Station Interrupt
(Note 1)
Allows generation of an interrupt if a
SEND key on a Display Station is
depressed, if a poller receives a read
message in response to a poll message
or if an error is indicated. Reselection
removes an interrupt resu Iting from a
previous selection if a read or write
operation is performed on the interrupting station prior to reselection. Stacking of station interrupts is possible and,
if more than one stQtion has had its
SEND key depressed, another interrupt
occurs immediately after reselection.
0027
Clear Station Interrupt
(Note 1)
Removes interrupt and selection resulti ng from code 0026.
(Note 2)
Alert Poller
Instructs connected poller to send an
alert message to the addressed remote
site and station. Alert occurs in the
polling sequence. If the alert is sent
to a local station, it is reiected.
82122900
Note 1 -
affect all stations simultaneously.
Note 2 -
1XXXXXXX0011 binary.
3-9
3290
Programm i ng
Section III
Table 3-2 identifies status conditions, lines, and octal codes characteristic
of the Display Controller. The computer may sample any single status line or group
of lines.
All conditions listed in table 3-2 except send request and print request, are
general status conditions; ie, the computer connects only to the Display Controller
and any existing station before sampling status. Lines 0, 2, 3, 4, 5, and 10 are on
a per station basis, ie, a specific station must be referred to before sampling status.
Lines not listed in table 3-2 are not used.
TABLE 3-2. DISPLAY CONTROLLER STAmS CONDITIONS
LINE
OCTAL
CODE
0
XXX1
DESCRIPTION
CONDITION
Ready
The Display Controller is ready when
power is on and the RU N/MASTER
C LEAR switch is in the RU N position
A particular station may become not
ready if an operator depresses the
PRINT key and the printer begins
printout.
0
1
XXX2
Busy
The Display Controller is busy when
the Channel Busy and the Read signal
or Write signal is active, or when
the reset or reset-clear function is
executed. The Display Station keys
are inoperative during a read or
write operation.
2
XXX4
Send Request
Indicates on a per station basis that
an operator depressed the SEND key
or that a connected poller has a read
message or a message in error.
3
XX1X
Print Request
Indicates on a per station basis that
a print operation is requested by the
station or it is performing a print
operation.
4
XX2X
Poll Message Error
Indicates that the connected poller
was unable to receive an expected
response to a poll message in three
attempts
0
3-10
82122900
3290
Section III
Programm ing
TABLE 3-2. DISPLAY CONTROLLER STATUS CONDITIONS (CONT)
LINE
OCTAL
CODE
5
XX4X
AI ert Request
A connected poller is ready to process an alert function from the computer. Any previous alert function
has been processed.
6
X1XX
Station Interrupt
Indicates that a station interrupt was
caused by depressing one or more
SEND keys, or that a poller detected
a message in error or received a read
message.
7
X2XX
Ready and Not Busy
Interrupt
Indicates that a ready and not busy
interrupt was generated when printou t completed and that the ready
and not busy interrupt was selected.
8
X4XX
End of Operation
Interrupt
Indicates that an interrupt was generated by the end of a read/wri te
operation, reset, or reset-clear function. A new function, or read or
write operation may be initiated following the end of operation interrupt.
9
1XXX
AI ert In terrupt
Interrupt generated by completion of
an Alert message to a remote site.
10
2XXX
Poller Error
Error condi tion after three attempted
write, clear-write, write-reset, or
alert messages to a remote site from
the connected poller.
CONDITION
DESCRIPTION
I NTERRU PTS •
The interrupt permits th~ display equipment to indicate to the computer certain preprogrammed conditions. The computer can selectively activate or deactivate
these interrupt condi tions.
Four conditions generate an interrupt and four function codes enable these
interrupts to the computer for the Display Controller. Table 3-3 lists the interrupt
cQnditions, enabling functions, and disabling functions. Refer to the specific
enabling function code (table 3-2) for a complete description of the interrupt
condition.
82122900
3-11
3290
Programming
Section III
TABLE 3-3. DISPLAY CONTROLLER INTERRUPTS
INTERRUPT
FUNCTION CODE
DISABLE
ENABLE
Ready and Not Busy
0020
0021
End of Operation
0022
0023
Alert
0024
0025
Station
0026
0027
The computer must first connect to a specific Display Station before issuing
any interrupt enable function codes. Normally, status is checked immediately
following the connect. If the computer desires to perform a reset operation (function
code 0010), or a read or write operation, and wants to be informed when the operation is completed, it transmits function code 0022 (interrupt on end of operation)
prior to the operation.
An end of printout operation can interrupt the computer if the ready and
not busy interrupt is enabled. After connecting to a specific Display Station and
finding the station busy executing a printout, the computer has the option to discontinue the printout or select the interrupt on ready and not busy condition (function
code 0020). Even though the function code is directed to a specific Display Station,
it enables a station interrupt from any Display Station satisfying the ready and not
busy condition.
If the computer wants to receive the data from a local Display Station, function code 0026 {station interrupt enable} is transmitted. An interrupt transmits when
the SEND key on this station, or any other Display Station, is depressed.
Upon receiving an interrupt from the display equipment, the computer normally connects to the Display Controller and samples status to determine what caused
the interrupt. It can immediately perform a read operation following a connect
word having a select code 0000 if the interrupt is a station interrupt. A write operation or other interrupt requires connecting to a specific station before beginning the
operation. After servicing an interrupt, the interrupt line may be cleared by
reselecting or deselecting the same interrupt except station interrupt.
SYMBOL DATA.
The display equipment symbol repertoire includes the alphabet in uppercase,
arabic numerals (0 through 9), punctuation marks, and special symbols.
Table 3-4 presents the Display Controller symbol repertoire in alphabetic
and numeric order. Figure 3-3 shows two quick reference charts for locating a
3-12
82122900
3290
Section III
Programming
TABLE 3-4. SYMBOL REPERTOIRE
. SYMBOL:
BCD
EXT INT
BCD
EXT INT
SYMBOL
BCD
EXT INT
SYMBOL
,
33
73
30
67 Comma
70· Left paren
(
34
74
Z
31
71
Parity error
I
35
75
:
00
12
36
76
25
1
01
01
I
End of
print (Note)
66
26
2
02
02
Logical OR
1\
37
77
27
3
03
03
Hyphen
-
40
40
H
67
70.
30
4
04
04-
Logical
AND
v
52
52
I
71
31
5
05
05
Dollar sign
$
53
53
J
41
41
6
06
06
Asterisk
54
54
K
42
42
7
07
07
*
Arrow up
55
55
L
43
43
8
10
10
f
Arrow down
~
56
56
M
44
44
9
11
11
Greater than >
57
57
N
45
45
{6
12
00
Plus
+
60
20
0
46
46
Equal
13
Less than
<
72
32
P
47
47
Not equal
= 13
I 14
Period
.
73
33
Q
50
50
~
15
15
Right paren
)
74
34
R
51
51
Less than or
equal to
Percent
Ok
16
16
Greater than >
or equal to -
75
35
Left bracket
[
17
17
-
76
36
Space
20
60
Carriage
return (Note)
/
]
21
61
fl.
77
37
32
I~
End of
message
A
61
21
X
27
B
62
Y
C
63
22
23
D
64
24
E
65
F
G
S
T
22
23
62
63
Colon
U
24
64
V
2S
26
65
Right diagonal
66
Right brac ket
W
Note
82122900
-
14
displayed as superscript, does not print.
3-13
Programm i ng
m
~
3290
Section III
n-.
INT
0
1
2
3
4
5
6
7
BCD 0
1
2
3
4
5
6
7
BCD
EXT
0
0
:
1
2
3
4
5
6
7
1
1 8
9
0
=
t
~
%
[
6
2
~
/
S
T
U
V
W
~~
7
3
Y
Z
]
,
(
4
4
-
J
K
L M
N- O
5
5
Q
R
V
$
*
t
,
P
>
2
6
+
A
B
C
0
E
F
3
7
H I
<
.
)
~
.... ~.... ~
PARITY ERROR
r-- -END
OF PRINT
CARRIAGE
G...... ~ RETURN
~
- A ...... END OF
MESSAGE
NOTE:
00 internal BCD equals 12 external BCD
00 external BCD equals 12 internal BCD
Figure 3-3. Symbol Code Quick Reference Chart
symbol when given the 6-bit octal or BCD code. A two-digit code of the form min
uniquely specifies each code, eg, external BCD code 65 represents the letter E.
Standard display format is 20 lines of 50 symbols per line with an optional
display format of 13 lines of 80 symbols available. The Display Station INTENSITY/
ON/OFF switch adjusts symbol intensity. Symbol size is adjustable internally and
is normally set to generate symbols 1/8-inch wide by 1/4-inch high.
WORD FORMATS.
The display word format is 6 bits. Each 6-bit word specifies a symbol code
or control code as listed in the symbol repertoire table.
3-14
82122900
Changed 10/68
Section III
3290
Programming
Besides the display word format, there are five 12-bit interface word formats.
The connect, function, data, and station word are transmitted on the data lines and
are identified by a signal transmitted on a corresponding signal line. The status
word is enabled to the computer on the status lines whenever the Display Controller
is connected to the computer.
Table 3-5 lists all word formats and identifies the distinguishing signal where
applicable.
WORD
SIGNAL
Display
Connect
Connect
Function
Function
Data
Data
Status
Data
Station
1
Alert
Function
82122900
1
87
10
REMOTE
SITE
J:l
43
REMOTE
STATION
0011
Function
3-15
Section III
3290
Programming
The connect word contains information which directs the Display Controller
to connect the computer data channer to the designated Display Station or poller.
Bits 9 through 11, the equipment select code, designates the equipment number
which may be chosen on the EQUIPMENT SELECTOR switch Bits a through 3 (the
station select code) are used to select the specific local Display Station or poller
with which the computer is to communicate. A station select code of 0001 through
1100 binary designates the corresponding numbered Display Station or poller. A
station select code of 0000 binary indicates that the computer requests a check of
status conditions, or requests to commun icate with the lowest numbered Display
Station causing an interrupt. If no interrupt is present, connection is prevented
C)
C)
Figure 3-4 shows the sequence of event5 upon receipt of a Connect signal.
If the Display Controller is in a ready state, parity is checked upon receipt of the
Connect signal. A parity error at th is time illuminates the PARITY indicator and the
display equipment disconnects in approximately 1 microsecond. Assuming parity is
correct, the EQUIPMENT SELECTOR switch setting is compared to the equipment
select code. If the two do not compare, a disconnect is performed in about 1 microsecond. An exact comparison allows the status lines to be enabled. After comparing
the equipment select code, the Display Controller examines the station select code
to see if it is addressing an existing Display Station or poller. If the device is nonexistent or busy, a Reiect signal is transmitted to the computer no sooner than 2
microseconds after the condition is detected. Assuming the Display Station or poller
exists and is not busy, the Display Controller responds with a Reply signal in about
2 microseconds.
If the station select code contains all O·s and an interrupt condition is not
pending, a Reiect signal is sent to the computer An interrupt condition at this
time draws a Reply signal response from the Display Controller and the interrupting
Display Station or poller is connected The computer then reads at least one word
(the station word) and normally continues the read operation unti I all of that station·s
data is read. If the interrupt condition is nonexistent, a connect is made to the
Display Controller for reading Display Controller status only. No read or write
operation is performed.
0
C)
Once connected, the Display Controller is ready to perform any function
desired by the computer in addition to a read or write operation. Figure 3-5 shows
the sequence of events upon rece ipt of a Function signal. If the Display Controller
is not connected, it takes no action in response to a Function signal.
An assembly/disassembly register in the Display Controller handles packing
and unpacking chores for read and write operations respectively. The most significant 6 bits of the data word are always filled or emptied first. If the computer
enables the Suppress Assembly/Disassembly line, the most significant 6 bits would
3-16
82122900
3290
Section III
ONNEC.~
Programm i ng
__
SIGNAL
SEND
REJECT
ENABLE
PARITY
ERROR
~..
CONNECT TO
STATION
OR
POllER
SELECT STATION
WITH DEPRESSED
SEND KEY OR
POLlER WITH
READ MESSAGE
SEND
REPLY
DISCONNECT
DISPLAY
EQUIPMENT
NO
CONNECT TO
·DISPLAY CONTROLLER
~:""-----t FOR STATUS CHECK
NO READ OR WRITE
INTERRUPT
DISABLED
SEND
REJECT
Figure 3-4. Connect Sequence
82122900
3-17
3290
Programming
Section III
FUNCTION
SIGNAL
PARITY
ERROR
INDICATOR
UGHTS
RESET
OR
RE 5 ET -C LEAR
SEND
PARITY
ERROR
SIGNAL
;YES
SEND
REJECT
SIGNAL
PERFORM
FUNCTION
SEND
REPLY
SIGNAL
BUSY
YES
Figure 3-5. Function Sequence
3-18
82122900
Section III
3290
Programming
neither be filled or emptied for the duration of the signal. The least significant
6 bits are unaffected; therefore, data transmission takes place in the form of one
6-bit word at a time.
READ;WRITE OPERATIONS.
Read or write operations to or from a local Display Station may be performed
any time at the discretion of the computer, after checking status. The computerinitiated action takes priority over the operator. If a read or write operation is
initiated during a period when an operator is composing a message from the keyboard,
the operator1s keyboard is locked out and computer operation takes over. A read or
write operation to a Display Station performing a printout results in termination of
the printout and the read or write operation is performed at the specified Display
Station.
The Display Controller allows the computer to enable an interrupt on an end
of printout condition. Following connection to a specific Display Station and
sampling status, print request status (line 3) is enabled if the Display Station requests
a print operation or if it is presently performing a printout. Not ready status indicates the Display Station is actually performing a printout. Using function code 0020
octal, the computer may enable the select interrupt on ready and not busy condition.
Upon completing printout, an interrupt is sent to the computer and status line 7
(ready and not busy interrupt) is made active. The 0020 function code enables an
interrupt to generate when any Display Station completes printout
0
Computer read and write operations do not take priority in the poller. The
poller scans the remote stations to determine if a SEND key is depressed. If this
condition exists, the selected station transmits a read message to the poller. After
storing the message in memory, the poller generates a send request and the computer
responds with a read operation. In response to the read message, the computer must
send a write message to the selected poller. The poller then relays this message to
the remote station.
The alert function turns on the ALERT light and audible alarm at the remote
station; the SEND key must be depressed to tum them off. The subsequent read
message enables the computer to perform a write operation.
Read operations may be initiated from the local or remote Display Stations
by an operator depressing the SEND key or from the computer by programmed
instructions (local Display Station only). A write operation is initiated only from
the computer. Following is a description of read and write operationso
82122900
3-19
3290
Programm ing
Section III
READ OPERATION INITIATED BY A REQUESTING STATION.
A requesting station is a local Display Station at which a SEND key was
depressed, or a poller which received a read message from a remote station. At a
requesting station an end of message symbol is inserted at the entry marker position,
the entry marker is moved to the upper left corner, and a station interrupt is in itiared
if the station interrupt is enabled by the computer. The computer responds to the
interrupt with a connect word containing a station select code of 00 octal. The
Display Controller then connects to the requesting station in scanning sequence and
activates the status lines. The computer must perform a read operation to clear
the send request. If a read operation is not performed, the station interrupt is sent
again upon receipt of the station interrupt enable.
I
The station word (shown in table 3-5), containing the number of the scanner
selected requesting station, is sent in response to the first Data signal during a
station-interrupt initiated read operation. If the selected requesting station is a
poller, the remote site and station are indicated in bits 4 through 10. Successive
words after the station word contain data stored in the delay line starting at the
entry marker position.
When the end of message code is detected, it is sent to the computer in a
data word. In response to the next Data signal following an end of message code,
the End of Record signal accompanied by an all-zero data word is sent instead of
the Reply signal. The Read signal terminates the read operation and becomes
disabled for more than 200 nanoseconds. Data may therefore be read beyond the end
of message code if the Read signal remains enabled. Figure 3-6 shows simplified
read operation timing.
READ
DATA
Itt~~tttttt~~lItt~ttt/rIt{ttIttrIftttrfrrtrmtI~~tIttttItJfItl
Mttt~~tt~~tttl
REPLY
ttr~~~~~~~~r~fft~tJ
r{ft~~~~))))~~~~~J
[E[J
CONTAINS EOM
END OF RECORD
EOM DETECTION
Figure 3-6. Simplified Read Timing
3-20
82122900
3290
Section III
Programming
If successive read operations are performed without resetting the entry marker
(such as repetitive one-word reads) one symbol is lost each time the Read signal is
dropped.
READ OPERATION INITIATED BY THE COMPUTER.
The computer may initiate a read operation at any time the connected local
Display Station or poller is not busy. Discretion is required in the use of th is operation since it prevents entry of data by a Display Station operator. After connecting,
the entry marker may be moved to the upper left corner by the reset function or may
be left at its current position. In response to the Read and Data signals, data words
are sent along with the Reply signal. A read operation performed on a connect to
a specific station does not send the station word.
WRITE OPERATION TO A LOCAL DISPLAY STATION.
Data may be written into a connected station at any time the station is not
busy. After connecting and checking status, the computer sends data words to be
written on the crt starting at the position of the entry marker. A reset or reset-clear
function may move the entry marker to the upper left corner before writing data.
Sequential symbols in data words are written from left to right and from top to bottom
on the crt. After the last symbol is wri tten in the lower right comer, the entry marker moves to the upper left corner and data writing may continue, with the later data
replacing data written earlier. Figure 3-7 shows simplified write operation timing.
DATA
REPLY
l~m~;~~~~~;~;~~;~~;~~;t~~~~~~~~;~~l
1~~~~~~~~~~~~~1
Figure 3-7. Simplified Write Timing
WRITE OPERATION TO A POLL:ER.
Data is always transferred to a poller after a read operation from the potier.
After connecting to the poller and checking status, the computer sends data words
82122900
3-21
3290
Programm ing
Section III
to be written into the poller memory starting at the position of the entry marker ..
The entry marker is always at start-of-memory after any computer read operation.
A reset function immediately preceding a write to the poller results in a
write-reset message from the poller to the remote station; a reset-clear function
results in a clear-write message. No function results in write message. Sequential
symbols in dpta words are written into the poller memory. The poller is informed
that it is to send the message when the Write signal drops. The write, write-reset,
or clear-write message is sent to the remote station wh ich had iust previously sent
a read message.
PROGRAMMING AIDS.
Following are several points concerning display equipment timing:
(a)
The Display Controller is busy for 33 microseconds after the last Reply
signal is sent at the end of a write operation.
(b)
The Display Controller is busy from 3.2 microseconds to 20 mi lIiseconds
after rece ipt of a reset function.
(c)
If a read or write operation follows a reset function which transmits
an interrupt upon completion, 20-millisecond delay (after the end of
operation interrupt is sent) occurs before the first data word is stored
or read from memory.
(d)
One symbol time is 16.8 microseconds. Each data word contains two
symbols and requires 33.6 microseconds. The delay-line memory cycle
time is 20 millisecondso During a read or write operation, successive
data words must follow within 33 6 microseconds (time required to read
or write two symbols) or a 20-millisecond delay occurs between bytes
due to delay line latency characteristics.
0
PROGRAMMING RESTRICTIONS.
3-22
(a)
It is necessary to read at least two 12-bit words to clear the send ff
when a connect is issued after an interrupt.
(b)
There should not be any unsolicited read or write operations (poller
only) •
(c)
Sending an end of print message to a Display Station initiates operation
of its associated Printer Station{s}.
82122900
Section III
3290
Programm ing
POlLER TRANSLATION.
The poller converts all codes and signals to a format which is compatible with
Data Set operation. Signals transmitted between the poller and the Data Set meet
or exceed the minimum of EIA Standard RS-232. A negative voltage of greater
than -6 volts represents a logical 1; a positive voltage greater than +6 volts represents a logical O. Half duplex" 2- or 4-wire operati_on, DATA-PHONE Data
Set 201 A or 201 B service is required. Private communications lines are necessary
and no provision is made for automatic ringing or answering.
A single-phase, 12o-volt, 60-Hz, three-wire outlet from the Display Controller is supplied for the Data Set, so the same ground bus is used for both. This
measure is necessary to prevent impulse noise potentials which might otherwise
develop and cause data errors.
The poller sends and receives data in an 8-bit code which is transmitted
serially over Send Data and Receive Data lines. These bits are synchronized with
the Serial Clock Receive and Serial Clock Transmit signals. Data Set 201 A operates at 2000 baud, Data Set 201B at 2400 baud.
INTERFACE SIGNALS
0
Figure 3-8 shows interface signals between the Data Set and the poller. The
arrows indicate signal origin. Following paragraphs provide an elaboration on the
signals shown in figure 3-8.
Send Data.
The Send Data signal originates in the poller and contains serial dato. Positive polarity represents a logical 0 and negative polarity represents a logical 1.
Data bits are provided to the Data Set at the time of positive transition of the Serial
C lock Transmit signal.
Request to Send.
The poller makes the Request to Send signal positive when a transmit operation
is desired. Placing a negative potential on the line returns the Data Set to a receive
condition.
82122900
3-23
3290
Programming
--
SEND DATA
--
REQUEST TO SEND
DATA-PHONE
DATA SET
201A OR 201 B
Section III
CLEAR TO SEND
--
INTERLOCK
---
SERIAL CLOCK TRANSMIT _
-
RECEIVE DATA
CARRIER ON
SERIAL CLOCK RECEIVE
--
POllER
----
---
REMOTE CONTROL
Figure 3-8. Poller Interface Signals
Clear to Send.
The Data Set makes the Clear to Send signal positive in response to a Request
to Send signal from the poller. The amount of time elapsed between the leading
edge of the Request to Send and the leading edge of C lear to Send is determined by
the Data Set strapping options. The Data Set makes the C lear to Send signal negative when the Request to Send signal drops
0
Interlock
0
A + 6 volts on the Interlock Line indicates that the Data Set is ready to send
or receive datao A O-volt signal indicates that the Data Set is not in an operating
condition
0
3-24
82122900
3290
Section III
Programm i ng
Serial Clock Transmit.
The Serial Clock Transmit signal is a symmetrical square wave of +6 volts
to - 6 volts amplitude originating in the Data Set which is us~d to synchronize the
acceptance of data by the Data Set. Data is placed on the Send Data line at the
time of the positive transition of the Serial Clock Transmit signal and is sampled by
the Data Set at the time of negative transition.
Rece ive Data.
The Receive Data signal contains serial binary data which is synchronized
with the Serial C lock Receive signal Positive polarity is defined as a logical 0 and
negative polarity as a logical 1.
0
Carrier On.
A positive potential at the Carrier On terminal indicates that the Data Set
is receiving the carrier. A negative potential indicates that no carrier is being
received. The Carrie"r On signal cha~ges from negative to positive within 9 milliseconds after carrier appears at the receiver terminal.
Remote Control.
A positive potential indicates that the poller is ready to communicate with
the Data Set.
Serial C lock Receive.
The Serial C lock Receive signal is a symmetri cal square wave of + 6 volts
to - 6 volts amplitude. The square wave is synchronized with the receiver timing
circuits. Data bits on the Receive Data line are initiated synchronously with the
positive transition of the Serial Clock Receive signal and are sampled at the negative transition.
82122900
3-25
3290
Programming
Section III
pallER CONTROL CODES.
The basic poller codes are eight bits long and are used for commun ication
between the poller and the remote sites. The most significant bit, which is received
last serially, is the parity bit. Parity is odd. The following paragraphs list poller
codes. Table 3-6 lists control codes and their octal translation.
TABLE 3-6. CONTROL CODES
DESCRIPTION
7-81T OCTAL TRANS lATION
Start of Message (SaM)
001
USASCII End of Message (USASCII EOM)
003
Poll
005
Acknowledge (AC K)
006
Alert
007
Reset-Write
014
Write
021
Clear-Write
022
Read
023
Synchron ization (SYNC)
026
Reiect
030
S tart of Message.
The start of message code indicates that the next 7-bit word contains the
site address. The start of message code follows the synchronization codes. It is
both initiated and received by the poller.
Alert.
The poller initiates the alert code when instructed by the computer. The
alert code designates a message which turns on the ALERT light on the addressed
remote site Display Station
0
3-26
82122900
Section III
3290
Programming
USASCII End of Message.
The USASCII end of message code indicates that the previous word was the
last word of data. The word following the USASCII end of message code is the
message parity word. This code is both initiated and received by the poller.
Message Parity.
Message parity is applicable from the start of message through the USASCII
end of message code, and excludes all sync codes. The message parity code is oddo
The parity bit is excluded.
Poll.
The poller initiates the poll code which designates the poll message. The
poll message instructs the remote site to respond with a read message if a SEND key
has been depressed or a read request active is set or a reiect message if the above
two conditions do not exist.
Acknowledge.
The acknowledge code originates at a remote site and designates a message
which acknowledges receipt of'a write, reset-write, clear-write, or alert message
wi th no errors.
Reset-Write.
The poller transmits the reset-write code when instructed by the computer
The code designates a message which instructs the addressed display equipment to
write data starting at the upper left corner. The reset-write code is followed by
12 sync codes to allow time for the entry marker to reset.
Write
0
0
The poller initiates the write code when instructed by a computer message.
The message contains data to be written on the remote crt starting at the current
entry marker position.
82122900
3-27
Programming
3290
Section III
Clear-Write.
The poller in itiates the clear-write code when instructed by the compu ter.
This code designates a message which instructs the addressed Display Station to
clear data from the crt and write the contained data starting at the upper left corner.
The poller transmits 12 sync codes following the clear-write code to allow time for
the entry marker to reset.
Read.
The read code originates at a remote site and designates a message containing
data on the Display Station crt wh ich is to be sent to the compu ter
It
Synchronization.
The poller receives and transmits the sync code. Four sync codes are transmitted at the beginning of each message to assure receiver synchronization. These
codes are not considered for purposes of message parity
0
Sync codes also act as synchronization idles when contained with in the message structure {reset-write and clear-write}
0
Reject.
The reject code originates at a remote site. This code designates a message
which informs the poller that a SEND key was not depressed, a read request active
was not set before receipt of the poll message, or because of a busy condition, a
write, reset-write or clear-write was rejected.
SYMBOL SUBSET.
The symbol subset codes (codes with bit 5 or 6 a logical 1, but not both) are
stored in the delay-line memory and specify data presented or are displayed on the
crt of a Display Station at a remote site. These codes are the data sent in read,
write, reset-write, and clear-write messageso
3-28
82122900
3290
Section III
Programm ing
An escape code (76) followed by any code other than carriage return, E1,
E2, or E3 codes will be converted to a space code (20 external BCD or 60 internal
BCD). Refer to tables 3-7 and 3-8.
TABLE 3-7. SYMBOL SUBSET CONVERSION TO COMPUTER
INTERNAL
CODE
EXTERNAL
CODE
ESCAPE CODE RECEIVED
36
76
76 01 (CR)
37
77
76 02 (E1)
76
36
76 40 (E2)
75
35
76 41 (E3)
TABLE 3-8. SYMBOL SUBSET CONVERSION FROM COMPUTER
INTERNAL
BCD
EXTERNAL
BCD
36
76
76 01 (CR)
37
77
76 02 (E1)
76
36
76 40 (E2)
75
35
76 41 (E3)
ESCAPE CODE SENT
Station Address.
The station address code designates the remote site Display Station to which
a poller is communicating The station address in a read message is retained by the
poller and sent to the computer. The next write, reset-write, or clear-write message from the computer to the poller is automatically sent to the Display Station
from which the read message was received.
0
Site Address.
The site address code designates the remote site to which a message is
addressed or from which a message is received. The remote sites polled are designated by site address switches on the Display Controller auxiliary maintenance
panels. Polling takes place in numerical order
0
82122900
3-29
Programming
3290
Section III
MESSAGE FORMAT.
Messages received and sent by the poller consist of several codes. The
general message format is shown in figure 3-9. All messag'es transmitted are preceded by four sync codes to assure synchronization recovery on the receiving end.
The start of message code designates that the next code is the first word of the message. The site address and station address follow in that order. The control code
defines the command or data which follows. Data to or from a remote Display Station may consist of 1 to 1040 words. The USASCII end of message code designates
that the previous word was the last word of the message. The message parity code
follows the end of message code. Message parity is applicable from the start of
message through the end of message code inclusive and excludes all sync codes.
Specific messages sent and received are listed in tables 3-9 and 3-10.
SYNC
SYNC
SYNC
SYNC
IGNORE
FOR PURPOSES
OF MESSAGE
PARllY
T
SQ\A
SITE ADDRESS
STATI~ ADDRESS
CONTROL CODE
.>
ESCAPE
I-
{
12
•
%
[
"
NOTES:
1. Set aside for USASCII control codes.
2. The lower portion of the four two-symbol data subset blocks are the
interpretation of the codes when they immediately follow on escape code.
Figure 3-10. Symbol and Function Codes, Binary Translation
82122900
3-37
3290
TABLE lA-l. POWERS. OF 2
2n
n
2-n
1
2
4
8
0
1
2
3
1.0
0.5
0.25
0.125
16
32
64
128
4
5
6
7
0.062
0.031
0.015
0.007
5
25
625
812 5
256
512
1 024
2 048
8
9
10
11
0.003
0.001
0.000
0.000
906
953
976
488
25
125
562 5
281 25
4
8
16
32
096
192
384
768
12
13
14
15
0.000
0.000
0.000
0.000
244
122
061
030
140
070
035
517
625
312 5
156 25
578 125
65
131
262
524
536
072
144
288
16
17
18
19
0.000
0.000
0.000
0.000
015
007
003
001
258
629
814
907
789
394
697
348
062
531
265
632
5
25
625
812 5
1
2
4
8
048
097
194
388
576
152
304
608
20
21
22
23
0.000
0.000
0.000
0.000
000
000
000
000
953
476
238
119
674
837
418
209
316
158
579
289
406
203
101
550
25
125
562 5
781 25
16
33
67
134
777
554
108
217
216
432
864
728
24
25
26
27
0.000
0.000
0.000
0.000
000
000
000
000
059
029
014
007
604
802
901
450
644
322
161
580
775
387
193
596
390
695
847
923
625
312 5
656 25
828 125
268
536
1 073
2 147
435
870
741
483
456
912
824
648
28
29
30
31
0.000
0.000
0.000
0.000
000
000
000
000
003
001
000
000
725
862
931
465
290
645
322
661
298
149
574
287
461
230
615
307
914
957
478
739
062
031
515
257
5
25
625
812 5
4
8
17
34
294
589
179
359
967
934
869
738
296
592
184
368
32
33
34
35
0.000
0.000
0.000
0.000
000
000
000
000
000
000
000
000
232
116
058
029
830
415
207
103
643
321
e60
830
653
826
913
456
869
934
467
733
628
814
407
703
906
453
226
613
25
125
562 5
281 25
68
137
274
649
719
438
877
756
476
963
906
813
736
472
944
888
36
37
38
39
0.000
0.000
0.000
0.000
000
000
000
000
000
000
000
000
014
007
003
001
551
275
637
818
915
957
978
989
228
614
807
403
366
183
091
546
861
425
712
856
808
903
961
475
840
320
860
830
82122900
625
312 6
166 25
078 125
lA-l
3290
TABLE lA-2. OCTAL-DECIMAL CONVERSION TABLE (SHEET 1 OF 4)
0
1
2
3
4
0
1
2
0004
0012
0020
0028
0036
0044
0052
0060
0005
0013
0021
0029
0037
0045
0053
0061
0006
0014
0022
0030
0038
0046
0054
0062
0007
0015
0023
0031
0039
0047
0055
0063
0400
0410
0420
0430
0440
0450
0460
0470
0256
0264
0272
0280
0288
0296
0304
0312
0257
0265
0273
0281
0289
0297
0305
0313
0258
0266
0274
0282
0290
0298
0306
0314
0259
0267
0275
0283
0291
0299
0307
0315
5
6
7
3
6
7
0260
0266
0276
0284
0292
0300
0308
0316
0261
0269
0277
0285
0293
0301
0309
0317
0262
0270
0278
0286
0294
0302
0310
0318
0263
0271
0279
0287
0295
0303
0311
0319
4
5
0000
0010
0020
0030
0040
0050
0060
0070
0000
0008
0016
0024
0032
0040
0048
0056
0001
0009
0017
0025
0033
0041
0049
0057
0002
0010
0018
0026
0034
0042
0050
0058
0003
0011
0019
0027
0035
0043
0051
0059
0100
0110
0120
0130
0140
0150
0160
0170
0064
0072
0080
00118
0096
0104
0112
0120
0065
0073
0081
0089
0097
0105
0113
0121
0066
0074
0082
0090
0098
0106
0114
0122
0067 0068
0075 0076
0083 0084
0091 0092
0099 0100
0107 0108
0115 Dl18
0123 0124
0069
0077
0085
0093
0101
0109
D117
0125
0070
0078
0086
0094
0102
0110
0118
0126
0071
0079
0087
0095
0103
0111
0119
0127
0500
0510
0520
0530
0540
0550
0580
0570
0320
0328
0336
0344
0352
0360
0368
0378
0321
0329
0337
0345
0353
0361
0369
0377
0322
0330
0338
0346
0354
0362
0370
0378
0323
0331
0339
0347
0355
0363
0371
0379
0324
0332
0340
0346
0356
0364
0372
0380
0325
0333
0341
0349
0357
0365
0373
0381
0326
0334
0342
0350
0358
0366
0374
0382
0327
0335
0343
0351
0359
0367
0375
0383
0200
0210
0220
0230
0240
0250
0260
0270
0128
0136
0144
0152
0160
0168
0176
0184
0129
0137
0145
0153
0181
0189
0177
0185
0130
0138
0146
0154
0162
0170
0178
0186
0131 0132
0139 0140
0147 0148
0155 0156
0163 0164
0171 0172
0179 0180
0187 0188
0133
0141
0149
0157
0165
0173
0181
0189
0134
0142
0150
0158
0168
0174
0182
0190
0135
0143
0151
0159
0167
0175
0183
0191
0600
0610
0820
0630
0840
0850
0880
0670
0364
0392
0400
0408
0416
0424
0432
0440
0385
0393
0401
0409
0417
0425
0433
0441
0386
0394
0402
0410
0418
0426
0434
0442
0387
0395
0403
0411
0419
0427
0435
0443
0388
0396
0404
0412
0420
0428
0438
0444
0389
0397
0405
0413
0421
0429
0437
0445
0390
0398
0406
0414
0422
0430
0438
0446
0391
0399
0407
0415
0423
0431
0439
0447
0300
0310
0320
0330
0340
0350
0380
0370
0192
0200
0208
0218
0224
0232
0240
0248
0193
0201
0209
0217
0225
0233
0241
0249
0194
0202
0210
0218
0228
0234
0242
0250
0195 0196
0203 0204
0211 0212
0219 0220
0227 0228
0235 0236
0243 0244
0251 0252
0197
0205
0213
0221
0229
0237
0245
0253
0198
0206
0214
0222
0230
0238
0246
0254
0199
0207
0215
0223
0231
0239
0247
0255
0700
0710
0720
0730
0740
0750
0760
0770
0446
0456
0484
0472
0480
0488
0496
0504
0449
0457
0485
0473
0461
0489
0497
0505
0450
0458
0466
0474
0462
0490
0498
0506
0451
0459
0467
0475
0463
0491
0499
0507
0452
0460
0468
0476
0484
0492
0500
0508
0453
0481
0469
0477
0485
0493
0501
0509
0454
0462
0470
0478
0486
0494
0502
0510
0455
0463
0471
0479
0487
0495
0503
0511
0
1
2
3
0
1
2
3
4
6
7
1000
1010
1020
1030
1040
1060
1080
1070
0512
0520
0628
0638
0544
0662
0680
0!l88
0513
0521
0529
0537
0546
0553
0681
0589
0514
0522
0530
0538
0548
0564
0582
0570
0515 0518
0523 0524
0531 0532
0539 0540
0547 0548
0566 0558
0583 0584
0571 0572
0517
0626
0633
0541
0549
0667
0686
0573
0518
0526
0534
0542
0550
0558
0586
0574
0519
0527
0635
0543
0551
0559
0587
0575
1400
1410
1420
1430
1440
1450
1480
147D
0768
0176
0784
0792
0800
0808
0818
0824
0769
0777
0785
0793
0801
0809
0817
0825
0770
0778
0788
0794
0802
0810
0818
0826
0771
0779
0787
0796
0803
0811
0819
0827
0772
0180
0788
0796
0804
0812
0820
0828
0773
0781
0789
0797
0805
0813
0821
0829
0774
0782
0790
0798
0806
0814
0822
0830
0775
0783
0791
0799
0807
0816
0823
0831
1100
1110
1120
1130
1140
1150
1180
1170
0678
0584
0692
0800
0808
0818
0824
0832
0517
0685
0593
0801
0809
0817
0825
0833
0578
0688
0594
0802
01110
01118
0828
0834
0579 0580
0581 0588
0595 0598
0803 0804
0811 0812
0819 0820
0821 0828
0836 0838
0581
0689
0697
0806
0813
0821
0829
0837
0582
0590
0598
0808
01114
0822
0830
0838
0583
0591
0599
0801
0815
0823
0831
0839
1500
1510
1620
1630
1540
1550
1580
1570
0832
0840
0848
0868
0884
0872
0880
0888
0833
D841
0849
0857
0885
0873
D881
D889
0834
0842
0850
0868
0888
0874
D882
0890
0835
0843
0851
0869
0887
0875
0883
0891
0838
0844
0862
0880
0888
0878
0884
0892
0837
0846
0853
0881
088~
0877
0886
0893
0838
0848
0864
0882
087D
0878
0888
0894
0839
0847
0866
0883
0871
0879
0887
0896
1200
1210
1220
1230
1240
1260
1280
1270
0840
0848
0858
0884
0872
01180
0888
08911
0841
0849
0857
0885
01173
0881
DII89
0897
0842
0850
01158
0888
01174
0882
D89D
DII98
0843
0861
0859
0887
01175
0883
0891
DII99
0844
0862
08eD
01188
01178
0884
0892
070D
0846
0853
0881
01177
DII86
D893
0701
0848
01154
0882
0870
01178
011811
DII94
0702
0841
0856
0883
0871
01179
01187
0896
0703
1800
1810
1820
1830
1840
1660
1880
1870
0898
0904
0912
0920
0928
0938
0944
0962
D897
0906
0913
0921
D929
0937
0946
0963
0898
0908
0914
0922
0930
0938
09411
0954
0899
0907
0916
0923
0931
0939
0947
0966
0900
0908
0918
0924
0932
0940
0948
0958
0901
0909
0917
0926
0933
0941
0949
0967
0902
0910
0918
09211
0934
0942
0960
0968
0903
0911
0919
0927
0935
0943
0961
0969
13DO 0704
1310 0712
1320 0720
1330 072B
1340 0738
1350 0744
13110 0752
1370 07110
D706
0713
0721
0729
0737
0745
0753
0781
07D8
0714
0722
0730
0738
0748
0754
D782
07D7 07D8
D716 0718
0723 0724
0731 0732
0739 0740
0747 0748
D758 om
D783 0784
D709
D717
0726
0733
0741
0749
07&7
0785
0710
0718
0728
0734
0742
0750
0768
0788
0711
0719
0727
1700
1710
1720
1730
1740
1760
1780
1770
0980
0988
0978
0984
0992
1000
1008
10111
0981
D989
0977
0986
0993
1001
1008
1017
0982
0970
0978
0988
0994
lD02
1010
1018
0983
0971
0979
0987
0995
1003
1011
1019
0984
0972
0980
0888
0998
lD04
lD12
lD2D
0986
0973
0981
0989
0997
lD06
1013
1021
0988
0974
0982
0990
0998
1008
1014
1022
0987
0976
0983
0991
0999
1007
lD16
1023
0000
to
0511
(Decimal)
Decimal
Octal
10000· 4096
20000 - 8192
30000 . 12288
40000 . 16364
50000 . 20460
60000 . 24576
70000 . 28672
r---------
,.-.
lA-2
0000
to
0777
(Octal)
4
6
0189
8
7
om
0743
0761
om
0787
6
1000
0612
10
10
1717
(OcIII)
lD23
(Olelmll)
82122900
3290
TABLE lA-2. OCTAL-DECIMAL CONVERSION TABLE (SHEET 2 OF 4)
2000
1024
to
to
2777
(DetaIl
1535
(Decima!l
Octal Decimal
10000 - 4096
20000 - 8192
30000 - 12288
40000 - 16384
50000 - 20480
60000 - 24576
70000 - 28672
3000
1536
to
to
3777
2047
(Decima/I
(~,.U
82122900
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
2000
2010
2020
2030
2040
2050
2060
2070
1£;24
1032
1040
1048
1056
1064
1072
1080
1025
1033
1041
1049
1057
1065
1073
1081
1026
1034
1042
1050
1058
1066
1074
1082
1027
1035
1043
1051
1059
1067
1075
1083
1028
1036
1044
1052
1060
1068
1076
1084
1029
1037
1045
1053
1061
1069
1077
1085
1030
1038
1046
1054
1062
1070
1078
1086
1031
1039
1047
1055
1063
1071
1079
1087
2400
2410
2420
2430
2440
2450
2460
2470
1280
1288
1296
1304
1312
1320
1328
1336
1281
1289
1297
1305
1313
1321
1329
1337
1282
1290
1298
1306
1314
1322
1330
1338
1283
1291
1299
1307
1315
1323
1331
1339
1284
1292
1300
1308
1316
1324
1332
1340
1285
1293
1301
1309
1317
1325
1333
1341
1286
1294
1302
1310
1318
1326
1334
1342
1287
1295
1303
1311
1319
1327
1335
1343
2100
2100
2120
2130
2140
2150
2160
2170
1088
1096
1104
1112
1120
1128
1136
1144
1089
1097
1105
1113
1121
1129
1137
1145
1090
1098
1106
1114
1122
1130
1138
1146
1091
1099
1107
1115
1123
1131
1139
1147
1092
1100
1108
1116
1124
1132
1140
1148
1093
1101
1109
1117
1125
1133
1141
1149
1094
1102
1110
1118
1126
1134
1142
1150
1095
1103
1111
1119
1127
1135
1143
1151
2500
2510
2520
2530
2540
2550
2560
2570
1344
1352
1360
1368
1376
1384
1392
1400
1345
1353
1361
1369
1377
1385
1393
1401
1346
1354
1362
1370
1378
1386
1394
1402
1347
1355
1363
1371
1379
1387
1395
1403
1348
1356
1364
1372
1380
1388
1396
1404
1349
1357
1365
1373
1381
1389
1397
1405
1350
1358
1366
1374
1382
1390
1398
1406
1351
1359
1367
1375
1383
1391
1399
1407
2200
2210
2220
2230
2240
2250
2260
2270
1152
1160
1168
1176
1184
1192
1200
1208
1153
1161
1169
1177
1185
1193
1201
1209
1154
1162
1170
1178
1186
1194
1202
1210
1155
1163
1171
1179
1187
1195
1203
1211
1156
1164
1172
1180
1188
1196
1204
1212
1157
1165
1173
1181
1189
1197
1205
1213
1158
fl66
1174
1182
1190
1198
1206
1214
1159
1167
1175
1183
1191
1199
1207
1215
2600
2610
2620
2630
2640
2650
2660
2670
1408
1416
1424
1432
1440
1448
1456
1464
1409
1417
1425
1433
1441
1449
1457
1465
1410
1418
1426
1434
1442
1450
1458
1466
1411
1419
1427
1435
1443
1451
1459
1467
1412
1420
1428
1436
1444
1452
1460
1468
1413
1421
1429
1437
1445
1453
1461
1469
1414
1422
1430
1438
1446
1454
1462
1470
1415
1423
1431
1439
1447
1455
1463
1471
2300
2310
2320
2330
2340
2350
2360
2370
1216
1224
1232
1240
1248
1256
1264
1272
1217
1225
1233
1241
1249
1257
1265
1273
1218
1226
1234
1242
1250
1258
1266
1274
1219
1227
1235
1243
1251
1259
1267
1275
1220
1228
1236
1244
1252
1260
1268
1276
1221
1229
1237
1245
1253
1261
1289
1277
1222
1230
1238
1246
1254
1262
1270
1278
1223
1231
1239
1247
1255
1263
1271
1279
2700
2710
2720
2730
2740
2750
2760
2770
1472
1480
1488
1496
1504
1512
1520
1528
1473
1481
1489
1497
1505
1513
1521
1529
1474
1482
1490
1498
1506
1514
1522
1530
1475
1483
1491
1499
1507
1515
1523
1531
1476
1484
1492
1500
1508
1516
1524
1532
1477
1485
1493
1501
1519
1517
1525
1533
1478
1486
1494
1502
1510
1518
1526
1534
1479
1487
1495
1503
1511
1519
1527
1535
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
3000
3010
3020
3030
3040
3050
3080
3070
1536
1544
1552
1560
1568
1576
1584
1592
1537
1545
1553
1561
1569
1577
1585
1593
1538
1546
1554
1562
1570
1578
1586
1594
1539
1547
1555
1563
1571
1579
1587
1595
1540
1548
1556
1564
1572
1580
1588
1596
1541
1549
1557
1565
1573
1581
1589
1597
1542
1550
1558
1566
1574
1582
1590
1598
1543
1551
1559
1567
1575
1583
1591
1599
3400
3410
3420
3430
3440
3450
3460
3470
1792
1800
1808
1816
1824
1832
1840
1848
1793
1801
1809
1817
1825
1833
1841
1849
1794
1802
1810
1818
1826
1834
1842
1850
1795
1803
1811
1819
1827
1835
1643
1851
1796
1804
1812
1820
1828
1836
1844
1852
1797
1805
1813
1821
1829
1837
1845
1853
1798
1806
1814
1822
1830
1838
1646
1854
1799
1807
1815
1823
1831
1839
1847
1855
3100
3110
3120
3130
3140
3150
3160
3170
1600
1608
1616
1624
1632
1640
1648
1656
1601
1809
1617
1625
1633
1641
1649
1657
1602
1610
1618
1626
1634
1642
1650
1658
1603
1611
1619
1627
1635
1643
1651
1659
1604
1612
1620
1628
1636
1644
1652
1660
1605
1613
1621
1629
1637
1645
1653
1661
1608
1614
1622
1630
1638
1646
1654
1662
1807
1615
1623
1631
1639
1647
1655
1683
3500
3510
3520
3530
3540
3550
3560
3570
1858
1864
1872
1880
1888
1896
1904
1912
1857
1865
1873
1881
1889
1897
1905
1913
1858
1866
1874
1882
1890
1898
1906
1914
1859
1867
1875
1883
1891
1899
1907
1915
1860
1868
1876
1884
1892
1900
1908
1916
1861
1869
1877
1685
1893
1901
1909
1917
1862
1870
1878
1886
1894
1902
1910
1918
1863
1871
1879
1887
1895
1903
1911
1919
3200
3210
3220
3230
3240
3250
3280
3270
1664
1672
1680
1688
1898
1704
1712
1720
1665
1673
1881
1889
1897
1705
1713
1721
1666
1674
1682
1690
1698
1706
1714
1722
1667
1675
1883
1891
1899
1707
1715
1723
1668
1676
1664
1692
1700
1708
1718
1724
1669
1677
1685
1693
1701
1709
1717
1725
1670
1678
1886
1694
1702
1710
1718
1726
1671
1679
1887
1695
1703
1711
1719
1727
3800
3610
3820
3830
3850
3880
3870
1920
1928
1938
1944
1952
1980
1988
1978
1921
1929
1937
1945
1953
1981
1989
1977
1922
1930
1938
1946
1954
1962
1970
1978
1923
1931
1939
1947
1955
1983
1971
1979
1924
1932
1940
1948
1958
1964
1972
1980
1925
1933
1941
1949
1957
1965
1973
1981
1926
1934
1942
1950
1958
1988
1974
1982
1927
1935
1943
1951
1959
1967
1975
1983
3300
3310
3320
3330
3340
3350
3360
3370
1728
1738
1744
1729
1737
1745
1763
1781
1789
1777
1785
1730
1738
1746
1764
1782
1770
1778
1788
1731
1739
1747
1755
1783
1771
1779
1787
1732
1740
1748
1758
\164
1772
1780
1788
1733
1741
1749
1757
1786
1773
1781
1789
1734
1742
1750
1768
1788
1774
1782
1790
1735
1743
1751
1759
1787
1775
1783
1791
3700
3710
3720
3730
3740
3750
3780
3770
1984
1992
2000
2008
2018
2024
2032
2040
1985
1993
2001
2009
2017
2025
2033
2041
1988
1994
2002
2010
2018
2028
2034
2042
1987
1995
2003
2011
2019
1988
1998
2004
2012
2020
2028
2038
2044
1989
1997
2005
2013
2021
2029
2037
2045
1990
1998
2008
2014
2022
2030
2038
2048
1991
1999
2007
2015
2023
2031
2039
2047
1762
1780
1788
1776
1794
3840
~027
2035
2043
7
lA-3
3290
TABLE lA-2. OCTAL-DECIMAL CONVERSION TABLE (SHEET 3 OF 4)
o
2
3
4
5
2052
2060
2068
2076
2084
2092
2100
2108
2053
2061
2069
2077
2085
2093
2101
2109
6
o
7
2
3
4
5
6
7
2306
2314
2322
2330
2338
2346
2354
2362
2307
2315
2323
2331
2339
2347
2355
2363
2308
2316
2324
2332
2340
2348
2356
2364
2:l0S
2317
232!J
2333
2341
2349
2357
2365
2310
2318
2326
2334
2342
2350
2358
2366
2311
2319
2321
2335
2343
2351
2359
2367
2055
2063
2071
2079
2087
2095
2103
2111
4400
4410
4420
4430
4440
4450
4460
4410
2304
2320
2328
2336
2344
2352
2360
2305
2313
2321
2329
2337
2345
2353
2361
4100 2112 2113 2114 2115 2116 2117 2118 2119
4110 2120 2121 2122 2123 2124 2125 2126 2127
4120 2128 2129 2130 2131 2132 2133 2134 2135
4130 2136 2137 2138 2139 2140 2141 2142 2143
4140 2144 2145 2146 2147 2148 2149 2150 2151
4150 2152 2153 2154 2155 2156 2157 2158 2159
416021602161216221632164216521662167
4170 2168 2169 2170 2171 2172 2173 2174 2175
4500
4510
4520
4530
4540
4550
4560
4570
2368
2376
2384
2392
2400
2408
2416
2424
2369
2377
2385
2393
2401
2409
2417
2425
2370
2378
2386
2394
2402
2410
2418
2426
2371
2379
2387
2395
2403
2411
2419
2421
2372
2380
2388
2396
2404
2412
2420
2428
2373
2381
2389
2397
2405
2413
2421
2429
2374
2382
2390
2398
2406
2414
2422
2430
2375
2383
2391
2399
2407
2415
2423
2431
4600
4610
4620
4630
4640
4650
4660
4670
2432
1440
2448
2456
2464
2472
2480
2488
2433
2441
2449
2457
2465
1473
2481
2489
2434
2442
2450
2458
2466
2474
2482
2490
2435
2443
2451
2459
2467
2475
2483
2491
2436
2444
2452
2460
2468
2476
2484
2492
2437
2445
2453
2461
2469
2477
2.1R'i
2493
2438
2446
2454
2462
2470
2478
2486
2494
2439
2447
2455
2463
2471
2479
2487
2495
2496 2497 2498 2499 2500 2501
2505 2'-'06 2507 2508 250'1
7512 2513 2514 2515 2516 2517
7520 2521 7522 2523 2524 2525
7528 2529 2530 2531 2532 2533
2536 2537 2538 2539 2540 2541
2544 2545 2546 2547 2548 2549
2552 2553 2554 2555 2556 2557
1
_ _ - ___________ _
2502
7510
2518
2526
2534
2542
2550
2558
2503
2511
2519
2527
2535
2543
2551
2559
4000
4010
4020
4030
4040
4050
4060
4070
2048
2056
2064
2072
2080
2088
2096
2104
2049
2057
2065
2073
2081
2089
2097
2105
2050
2058
2066
2074
2082
1090
2098
2106
2051
2059
2067
2075
2083
2091
2099
2107
2054
2062
2070
2078
2086
2094
2102
2110
I
4200
4210
4220
4230
4240
4250
4260
4270
2176
2184
2192
2200
2208
2216
2224
223::
2177
2185
2193
2201
2209
2217
2225
2233
2178
2186
2194
2202
2210
21'18
2226
2234
2179
21R7
2195
2203
2211
221n
2227
2235
2180
2188
2196
2204
2212
22211
2228
2236
2181
2189
2197
2205
2213
2221
2229
2237
2182
2190
2198
2206
2214
2222
2230
2238
2183
2191
2199
2207
2215
4300
4310
4320
4330
4340
4350
4360
4370
2240
2248
2256
2764
2272
2280
2288
2296
2241
2249
2257
2265
2::73
2281
2289
2297
2242
2250
2258
nB6
2274
2282
2290
2798
2243
2251
2259
2267
2275
2283
2291
2299
2244
2252
2260
2268
2276
2284
2292
2300
2245
:1253
2261
2269
2277
2285
2293
2301
2246
2254
2262
2270
2278
2286
2294
2302
2247
4700
2255
4710
22fl3,
4/20
2271:
4730
22791[4740
2287
47'i0
2295
4760
2303
4770
2
3
4
5
7223
2231
2239
L...-L....____________________
o
6
____
231~
7504
I
o
7
2
3
4
5
6
7
5000
5010
5020
5030
5040
5050
5060
5070
2560
2568
2576
2584
2592
2600
2608
2616
2561
2569
2577
2585
2593
2601
2609
2617
2562
2570
2578
2586
2594
:602
2610
2618
2563
2571
2579
2587
2595
2603
2611
2619
2564
2572
2580
2588
2596
2604
2612
2620
2565
2573
2581
2589
2597
2605
2613
2621
2566
2574
2582
2590
2598
2606
2614
2622
2567
7575
2583
2591
2599
2607
2615
2623
5400
5410
5420
5430
5440
5450
5460
5470
2816
2874
2832
2840
2848
2856
2864
2872
2817
2825
2833
2841
2849
2857
2865
2873
2818
2826
2834
2842
2850
2858
2866
2874
2819
2827
2835
2843
2851
2859
2867
2875
2820
2828
2836
2844
2852
2860
2868
2876
2821
2829
2837
2845
2853
2861
2869
2877
2822
2830
2838
2846
2854
2862
2870
2878
2823
2831
2839
2847
2855
2863
2871
2879
5100
5110
5120
5130
5140
5150
5160
5170
2624
2632
2640
2648
2656
2664
2672
2680
2625
2633
2641
2649
2657
2665
2673
2681
2626
2634
2642
2650
7658
2666
2674
2682
2627
2635
2643
2651
26'i9
2667
2675
2683
2628
2636
2644
2652
2660
2r,68
2676
2684
2629
2637
2645
2653
2661
2669
2677
2685
2630
2638
2646
2654
2662
2670
2678
2686
2631
2639
2647
2655
2663
2671
2679
2687
5500
5510
5520
5530
5540
5550
5560
5570
2880
2888
2896
2904
]912
2920
2928
2936
2881
2889
2897
2905
2913
2921
2929
2937
2882
2890
2898
2906
2914
2922
2930
2938
2883
2891
2899
2907
2915
2923
2931
2939
2884
2892
2900
2908
2916
2924
2932
2940
2885
2893
2901
2909
2917
2925
2933
2941
2886
2894
2902
2910
2918
2926
2934
2942
2887
2895
2903
2911
2919
2927
2935
2943
5200
5210
5220
5230
5240
5250
5260
5270
26B8
2696
2704
2712
2720
2728
2736
2144
26B9
2697
2705
2713
2721
2729
2737
2745
2690
2698
2706
2114
2722
2730
2738
2746
2691
2699
2707
2115
2723
2731
2739
2147
2692
2700
2708
2116
2724
2732
2740
2748
2693
2701
2709
2717
2125
2733
2741
2749
2694
2702
2710
2718
2726
2734
2742
2750
2695
2703
2711
2719
2127
2735
2743
2751
5600
5610
5620
5630
5640
5650
5660
5870
2944
2952
2960
2968
2976
2984
2992
3000
2945
2953
2961
2969
2971
2985
2993
3001
2946
2954
2962
2970
2978
2986
2994
3002
2947
2955
2963
2971
2979
2987
2995
3003
2948
2956
2964
2972
2980
2988
2996
3004
2949
2957
2965
2973
2981
2989
2997
3005
2950
2958
2966
2974
2982
2990
2998
3006
2951
2959
2967
2975
2983
2991
2999
3007
5300
5310
5320
5330
5340
5350
5380
5370
2752
2760
2768
2778
2784
2792
'800
'808
2753
2761
2769
2777
2785
2193
2801
2809
2754
2162
2770
2778
2788
2794
2802
2810
2755
2763
2771
2779
2787
2195
2803
2811
2756
2764
2772
2780
:nRB
2798
2804
2812
2757
2765
2773
2781
2789
2197
2B05
2813
2758
2766
2774
2782
27!10
2198
'BOA
2814
2759
2767
2775
2783
2191
2199
'AOl
5100
5710
5720
5730
5140
5750
5760
5770
3008
3016
3024
3032
3040
3048
30M
:10114
3009
3017
3025
3033
3041
3049
3051
306!!
3010
3018
3028
3034
3042
3050
3058
3088
3011
3019
3027
3035
3043
3051
3059
30B7
3012
3020
3028
3036
3044
3052
3060
3068
3013
3021
3029
3037
3045
3053
30Gl
3089
3014
3022
3030
3038
3048
3054
3082
3070
3015
3023
3031
3039
3047
3055
3083
3071
lA-4
'Rl~
-
..•...
--.----
4000
to
4777
(Octal)
Octal
2048
to
2559
(Decimal)
Decimal
10000 - 4096
20000· 8192
30000 - 12288
40000 - 16384
50000 . 20480
60000 . 24576
70000 . 28672
5000
to
5777
2560
to
3071
(Octal)
(Oecimal)
82122900
3290
TABLE 1A-2. OCTAL-DECIMAL CONVERSION TABLE (SHEET 4 OF 4)
6000
to
6717
3072
to
3583
(Octal}
(Decimal}
Octal
Decimal
10000 - 4096
20000 - 8192
30000 - 12288
40000 - 16384
50000 - 20480
60000 - 24576
70000 - 28672
1
2
3
4
5
6000
6010
6020
6030
6040
6050
6060
6010
3072
3080
3088
3096
3104
3112
3120
3128
3073
3081
3089
3097
3105
3113
3121
3129
3074
3082
3090
3098
3106
3114
3122
3130
3075
3083
3091
3099
3107
3115
3123
3131
3076
3084
3092
3100
3108
3116
3124
3132
3077
3085
3093
3101
3109
3117
3125
3133
3078
3086
3094
3102
3110
3118
3126
3134
3079
3087
3095
3103
3111
3119
3127
3135
6100
6110
6120,
6130
6140
6150
6160
6170
3136
3144
3152
3160
3168
3176
3184
3192
3137
3145
3153
3161
3169
3177
3185
3193
3138
3146
3154
3162
3170
3178
3186
3194
3139
3147
3155
3163
3171
3179
3187
3195
3140
3148
3156
3164
3172
3180
3188
3196
3141
3149
3157
3165
3173
3181
3189
3197
3142
3150
3158
3166
3174
3182
3190
3198
6200
6210
6220
6230
6240
6250
6260
6270
3200
3208
3216
3224
3232
3240
3248
3256
3201
3209
3217
3225
3233
3241
3249
3257
3202
3210
3218
3226
3234
3242
3250
3258
3203
3211
3219
3227
3235
3243
3251
3259
3204
3212
3220
3228
3236
3244
3252
3260
3205
3213
3221
3229
3237
3245
3253
3261
6300
6310
6320
6330
6340
6350
6360
6370
3264
3272
3280
3288
3296
3304
3312
3320
3265
3273
3281
3289
3297
3305
3313
3321
3266
3274
3282
3290
3298
3306
3314
3322
3267
3275
3283
3291
3299
3307
3315
3323
3268
3276
3284
3292
3300
3308
3316
3324
-7000
to
7777
3584
to
4095
(Octal}
(olcimal}
6
5
6
7
3333
3341
3349
3357
3365
3373
3381
3389
3334
3342
3350
3358
3366
3374
3382
3390
3335
3343
3351
3359
3367
3375
3383
3391
3394 3395
3402 3403
3410 3411
3418 3419
3426 3427
3434 3435
3442 3443
3450 3451
3396 3397
3404 3405
3412 3413
3420 3421
3428 3429
3436 3437
3444 3445
3452 3453
3398
3406
3414
3422
3430
3438
3446
3454
3399
3407
3415
3423
3431
3439
3447
3455
3457
3465
3473
3481
3489
3497
3505
3513
3458
3466
3474
3482
3490
3498
3506
3514
3459
3467
3475
3483
3491
3499
3507
3515
3460
3468
3476
3484
3492
3500
3508
3516
3461
3469
3417
3485
3493
3501
3509
3517
3462
3470
3478
3486
3494
3502
3510
3518
3463
3471
3479
3487
3495
3503
3511
3519
3521
3529
3537
3545
3553
3561
3569
3577
3522
3530
3538
3546
3554
3562
35'70
3578
3523
3531
3539
3547
3555
3563
3571
3579
3524
3532
3540
3548
3556
3564
3572
3580
3525
3533
3541
3549
3557
3565
3573
3581
3526
3534
3542
3550
3558
3566
3574
3582
3527
3535
3543
3551
3559
3567
3575
3583
0
1
2
3
4
6
6
0
1
2
6400
6410
6420
6430
6440
6450
6460
6470
3328
3336
3344
3352
3360
3368
3376
3384
3329
3337
3345
3353
3361
3369
3317
3385
3330
3338
3346
3354
3362
3370
3378
3386
3143
3151
3159
3167
3175
3183
3191
3199
6500
6510
6520
6530
6540
6550
6560
6570
3392
3400
3408
3416
3432
3440
3448
3393
3401
3409
3417
3425
3433
3441
3449
3206
3214
3222
3230
3238
3246
3254
3262
3207
3215
3223
3231
3239
3247
3255
3263
6600
6610
6620
6630
6640
6650
6660
6670
3456
3484
3472
3480
3488
3496
3504
3512
3269
3277
3285
3293
3301
3309
3317
3325
3270
3278
3286
3294
3302
3310
3318
3326
3271
3279
3287
3295
3303
3311
3319
3327
6700
6710
6720
6730
6740
6750
6760
6770
3520
3528
3536
3544
3552
3560
3568
3576
--
~24
4
3
3331
3339
3347
3355
3363
3371
3379
3387
3332
3340
3348
3356
3364
3372
3380
3388
,..--.
7
0
1
2
3
4
5
6
7
7000
7010
7020
7030
7040
7050
7060
7070
3584
3592
3800
3608
3616
3624
3632
3840
3585
3593
3601
3609
3617
3625
3633
3641
3588
3594
3602
3610
3618
3626
3634
3642
3587
3595
3803
3811
3819
3627
3635
3643
3588
3498
3604
3612
3620
3628
3636
3844
3589
3497
3805
3613
3621
3629
3637
3645
3590
3598
3808
3814
3622
3630
3638
3846
3591
3599
3807
3815
3823
3631
3639
3647
740D
7410
7420
7430
7440
7450
7460
747D
3840
3848
3856
3884
3872
3880
3888
3896
3841
3849
3857
3865
3873
3881
3889
3897
3842
3850
3858
3866
3874
3882
3890
3898
3843
3851
3859
3867
3875
3883
3891
3899
3844
3852
3880
3888
3876
3884
3892
3900
3845
3853
3861
3869
3877
3885
3893
3901
3846
3854
3862
3870
3878
3886
3894
3902
3847
3855
3863
3871
3879
3887
3895
3903
7100
7110
7120
7130
7140
7150
7180
7170
3848
3858
3864
3872
3880
3888
3896
3704
3649
3657
3885
3673
3681
3889
3897
3705
3650
3658
3888
3874
3882
3890
3898
3708
3651
3859
3887
3875
3883
3891
3899
3707
3652
3880
3888
3678
3884
3892
3700
3708
3853
3661
3889
3871
3885
3893
3701
3709
3854
3882
3870
3678
3686
3894
3702
3710
3855
3863
3671
3879
3887
3695
3703
3711
7500
7510
7520
7530
7540
7550
7560
7510
3904
3912
3920
3928
3936
3944
3952
3980
3905
3913
3921
3929
3937
3945
3953
3981
3906
3914
3922
3930
3938
3946
3954
3962
3907
3915
3923
3931
3939
3947
3955
3963
3908
3916
3924
3932
3940
3948
3956
3964
3909
3917
3925
3933
3941
3949
3957
3965
3910
3918
3928
3934
3942
3950
3958
3966
3911
3919
3927
3935
3943
3951
3959
3967
7200
7210
7220
7230
7240
7250
7260
7270
3712
3120
3728
3738
3744
3752
3780
3788
3113
3121
3129
3737
3745
3753
3761
3769
3714
3722
3730
3738
3748
3754
3762
3770
3715
3723
3731
3739
3747
3755
3763
3771
3716
3724
3732
3740
3748
3764
3772
3717
3725
3733
3741
3749
3757
3765
3713
3718
3728
3734
3742
3750
3758
3766
3174
3719
3127
3735
3743
3751
3759
3767
3775
7600
7610
7620
7630
7840
7650
7660
7670
3988
3978
3984
3992
4000
4008
4016
4024
3969
3977
3985
3993
4001
4009
4017
4025
3970
3978
3986
3994
4002
4010
4018
4026
3!l71
3979
3987
3995
4003
4011
4019
4027
3972
3980
3988
3996
4004
4012
4020
4028
3973
3981
3989
3997
4D05
4013
4021
4029
3974
3982
3990
3998
4006
4014
4022
4030
3975
3983
3991
3999
4007
4015
4023
4D31
7300
7310
7320
7330
7340
7350
7360
1370
3718
3784
3792
3800
3808
3818
3824
3832
3777
3785
3793
3801
3809
3817
3825
3833
3778
3788
3794
3802
3810
3818
3828
3834
3779
3787
3796
3803
3811
3819
3827
3835
3780
3788
3798
3804
3812
3820
3828
3838
3781
3789
3797
3805
3813
3821
3829
3837
3782
3790
3798
3808
3814
3822
3830
3838
3783
3791
3799
3807
3815
3823
3831
3839
7700
7710
7720
7730
4032
4040
4048
4056
7740
4084
7750
77RO
7770
4072
4080
4088
4033
4041
4049
4057
4086
4073
4081
4089
4034
4042
4050
4068
4086
4074
4082
4090
4035
4043
4051
4059
4087
4075
4083
4091
4038
4044
4052
4080
4088
4018
4084
4092
4D37
4045
4063
4081
4089
4077
4086
4093
4038
4046
4054
4082
4070
4078
4D88
4094
4039
4047
4055
4083
4071
4079
4087
4095
37~6
...
82122900
7
0
_--------
lA-5
3290
TABLE lA-3. OCTAL-DECIMAL FRACTION CONVERSION TABLE (SHEET 1 OF 3)
..'
OCTAL
DEC.
OCTAL
DEC.
.125000
.126953
.128906
.130859
.132812
.134765
.136718
.138671
.200
.201
.202
.203
.204
.205
.206
.207
.250000
.251953
.253906
.255859
.. 257812
.259765
.261718
.263671
.300
.301
.302
.303
.304
:305
.306
.307
.375000
.376953
.378906
.380859
.382812
.384765
.386718
.388671
.110
.111
.112
.113
.114
.115
.116
.117
.140625
.142578
.144531
.146484
.148437
.150390
.152343
.154296
.210
.211
.212
.213
.214
.215
.216
.217
.265625
.267578
.269531
.271484
.273437
.275390
.277343
.279296
.310
.311
.312
.313
.314
.315
.316
.317
.390625
.392578
.394531
.396484
.398437
.400390
.402343
.404296
.031250
.033203
.035156
.037109
.039062
.041015
.042968
.044921
.120
.121
.122
.123
.124
.125
.126
.127
.156250
.158203
.160156
.162109
.164062
.166015
.167968
.169921
.220
.221
.222
.223
.224
.225
.226
.227
.281250
.283203
.285156
.287109
.289062
.291015
.292968
.294921
.320
.321
.322
.323
.324
.325
.326
.327
.406250
.408203
.410156
.412109
.414062
.416015
.417968
.419921
.030
.031
.032
.033
.034
,035
,036
.037
.046875
.048828
.050781
,052734
.054687
.056640
.058593
.060546
.130
.131
.132
.133
.134
.135
.136
.137
.171875
.173828
.175781
.177734
.179687
.181640
.183593
,185546
.230
.231
.232
.233
.234
.235
.236
.237
.296875
.298828
.300781
.302734
.304687
.306640
.308593
,310546
330
331
.332
.333
.334
,335
,336
,337
.421875
.423828
.425781
.427734
.429687
.431640
.433593
.435546
.040
.041
.042
.043
,044
.046
.046
.047
.062500
.064463
,066406
,068359
.070312
,072265
,074218
.076171
.140
.141
,142
,143
.144
,146
,146
.147
.187500
.189453
.191406
,193359
.195312
,197265
.199218
.201171
.240
.241
.242
.243
.244
.245
,246
.247
.312500
,314463
,318406
,318369
.320312
,322265
.324218
.326171
.340
,341
,342
.343
.344
,345
,346
.347
.437600
,439453
,441408
,443359
,446312
,447265
,449218
.451171
,060
.051
.052
.053
.054
.055
.056
.057
.078125
.080078
.082031
.083984
.085937
.087890
.089843
,091796
.150
.161
.162
.163
,164
,155
.166
.167
.203125
.205078
.207031
.208984
.210937
,212890
.214843
,216796
.250
.251
.252
.253
.254
.255
.256
.257
.328125
.330078
.332031
.333984
.335937
.337890
,339843
.341796
.350
.351
.352
.353
,354
.355
.356
.357
.453125
.455078
.457031
.458984
,460937
.462890
.464843
.466796
.060
.061
.062
083
,064
,066
,068
.067
.093750
.095703
097658
.099809
101562
.103515
.105468
.107421
.160
.161
,182
,163
.184
165
,186
.187
.218750
.220703
.222856
224609
,226562
228515
230488
232421
.260
,261
262
263
264
266
28e
267
343750
.345703
,347658
.349609
.351562
353515
.365488
.357421
',360
361
,362
.383
384
.365
36e
.367
.468750
.470703
,472656
474609
.478582
.478515
.480468
482421
.070
,071
.072
.073
,074
.075
,076
.077
109375
.111328
113281
.115234
.117187
,119140,
.121093'
,123046
.170
,171
,172
.173
,174
,175
176
,177
.234375
.236328
.238281
.240234
,242187
.244140
,246093
,248046
270
.271
.272
,273
,274
275
276
277
359375
.361328
.363281
.365234
,367187
.369140
371093
,373046
.370
.371
.372
,373
374
,375
.376
.484375
486328
.488281
,490234
492187
.494140
.496093
498046
OCTAL
DEC.
OCTAL
.000
.001
.002
.003
.004
.005
.006
.007
.000000
.001953
.003906
.005859
.007812
.009765
.011718
.013671
.100
.101
.102
.103
.104
.105
.106
.107
.010
.011
.012
.013
.014
.015
.016
.017
.015625
.017578
.019531
.021484
.023437
.025390
.027343
.029296
.020
.021
.022
.023
.024
.025
.026
.027
lA-6
DEC.
.377
82122900
3290
TABLE lA-3. OCTAL-DECIMAL FRACTION CONVERSION TABLE (SHEET 2 OF 3)
.
OCTAL
DEC.
OCTAL
-,
DEC.
OCTAL
DEC.
OCTAL
DEC.
.000400
.000401
.000402
.000403
.000404
.000405
.000406
.000407
.000976
.000980
.000984
.000988
.000991
.000995
.000999
.001003
.000500
.000501
.000502
.000503
.000504
.000505
.000506
.000507
.001220
.001224
.001228
.001232
.001235
.001239
.001243
.001247
.000600
.000601
.000602
.000603
.000604
.000605
.000606
.000607
.001464
.001468
.001472
.001476
.001480
.001483
.001487
.001491
.000700
.000701
.000702
.000703
.000704
.000705
.000706
.000707
.001708
.001712
.001716
.001720
.001724
.001728
.001731
.001735
.000410
.000411
.000412
.000413
.000414
.000415
.000416
.000417
.001007
.001010
.001014
.001018
.001022
.001026
.001029
.001033
.000510
.000511
.000512
.000513
.000514
.000515
.000516
.000517
.001251
.001255
.001258
.001262
.001266
.001270
.001274
.001277
.000610
.000611
.000612
.000613
.000614
.000615
.000616
.000617
.001495
.001499
.001502
.001506
.001510
.001514
.001518
.001522
.000710
.000711
.000712
.000713
.000714
.000715
.000716
.000717
.001739
.001743
.001747
.001750
.001754
.001758
.001762
.001766
.000420
.000421
.000422
.000423
.000424
.000425
.000426
.000427
.001037
.001041
.001045
.001049
.001052
.001056
.001060
.001064
.000520
.000521
.000522
.000523
.000524
.000525
.000526
.000527
.001281
.001285
.001289
.001293
.001296
.001300
.001304
.001308
.000620
.000621
.000622
.000623
.000624
.000625
.000626
.000627
.001525
.001529
.001533
.001537
.001541
.001544
.001548
.001552
.000720
.000721
.000722
.000723
.000724
.000725
.000726
.000727
.001770
.001773
.001777
.001781
.001785
.001789
.001792
.001796
.000430
.000431
.000432
.000433
.000434
.000435
.000436
.000437
.001069
.001071
.001075
.001079
.001083
.001087
.001091
.001094
.000530
.000531
.000532
.000533
.000534
.000535
.000536
.000537
.001312
.001316
.001319
.001323
.001327
.001331
.001335
.001338
.000630
.000631
.000632
.000633
.000634
.000635
.000636
.000637
.001556
.001560
.001564
.001567
.001571
.001575
.001579
.001583
.000730
.000731
.000732
.000733
.000734
.000735
.000736
.000737
.001800
.001804
.001808
.001811
.001815
.001819
.001823
.001827
.000440
.000441
.000442
.000443
.000444
.000446
.000446
.000447
.001098
.001102
.001108
.001110
.001113
.001117
.001121
.001125
.000540
.000641
.000642
.000643
.000644
.000646
.00064f
.000547
.001342
.001348
.001350
.001354
.001358
.001381
.001365
.001369
.000640
.000841
.000642
.000643
.000844
.000645
.000646
.000647
.001688
.001690
.001694
.001598
.001802
.001805
.001609
.001613
.000740
.000741
.000742
.000743
.000744
.000745
.000748
.000747
.001831
.001834
.001838
.001842
.001846
.001850
.001853
.001857
.000460
,000461
.000462
.000463
.000464
,000466
,000468
.000467
.001129
,001132
,001138
.001140
.001144
.001148
.001162
.001166
.000660
.000661
.000662
.000663
.000664
.000666
.00066f
.000667
.001373
.001377
.001380
.001384
.001388
.001392
.001398
.001399
.000850
,000851
.000862
.000853
.000864
.000666
.000868
.000667
.001617
.001821
.001825
.001828
.001832
.001638
.001840
.001844
.000750
.000751
.000762
.000763
.000764
.000766
,000768
.000767
.001861
.001885
.001889
.001873
.001878
.001880
.001884
.001888
.000460
.000481
,000482
.000483
,000484
.000486
.0004e8
,000487
.001169
,001163
.001187
.001171
.001174
.001178
.001182
.001188
.00058C
.0001581
.0001582
.0001583
.0001584
.000S8f.
.0001586
.0001587
.001403
.001407
.001411
.001415
.001419
.001422
.001428
.001430
.000880
.000881
.000882
.000883
.000884
.000886
.0008e8
.000887
.001847
.001861
.001856
.001859
.001883
..001887
.001870
.001874
.000760
,000781
.000782
,000783
.000784
.0007815
.000788
.000787
.001892
.0018915
.001899
.001903
,001907
.001911
.001914
.001918
.000470
.000471
.000472
.000473
.000474
.000475
.000476
.000477
.001190
.001194
.001197
.001201
.001206
.. 001209
.001213
.001218
.0001570
.0001571
.0001572
.000573
.000574
.000575
.000576
.000577
.001434
.001438
.001441
.001445
.001449
.001453
.001457
.001481
.000870
.000871
.000672
.000873
.000874
.000675
.000678
.000677
.00187S
.001882
.0018S8
.001889
.001893
.001897
.001701
.001705
.000770
.000771
.000772
.000773
.000774
.000775
.000776
.000777
.001922
.001928
.001930
.001934
.001937
.001941
.001945
.001949
82122900
,
lA-7
3290
TABLE lA-3. OCTAL-DECIMAL FRACTION CONVERSION TABLE (SHEET 3 OF 3)
~
I
.. - . .
--
..
-
DEC.
OCTAL
DEC.
OCTAL
DEC.
OCTAL
DEC .
.000000
.000001
.000002
.000003
.000004
.000005
.000006
.000007
.000000
.000003
.000007
.000011
.000015
.000019
.000022
.000026
.000100
.000101
.000102
.000103
.000104
.000105
.000106
.000107
.000244
.000247
.000251
.000255
.000259
.000263
.000267
.000270
.000200
.000201
.000202
.000203
.000204
.000205
.000206
.000207
.000488
.000492
.000495
.000499
.000503
.000507
.000511
.000514
.000300
.000301
.000302
.000303
.000304
.000305
.000306
.000307
.000732
.000736
.000740
.000743
.000747
.000751
.000755
.000759
.000010
.000011
.000012
.000013
.000014
.000015
.000016
.000017
.000030
.000034
.000038
.000041
.000045
.000049
.000053
.000057
.000110
.000111
.000112
.000113
.000114
.000115
.000116
.000117
.000274
.000278
.000282
.000286
.000289
.000293
.000297
.000301
.000210
.000211
.000212
.000213
.000214
.000215
.000216
.000217
.000518
.000522
.000526
.000530
.000534
.000537
.000541
.000545
.000310
.000311
.000312
.000313
.000314
.000315
.000316
.000317
.000762
.000766
.000770
.000774
.000778
.000782
.000785
.000789
.000020
.000021
.000022
.000023
.000024
.000025
.000026
.000027
.000061
.000064
.000068
.000072
.000076
.000080
.000083
.000087
.000120
.000121
.000122
.000123
.000124
.000125
.000126
.000127
.000305
.000308
.000312
.000316
.000320
.000324
.000328
.000331
.000220
.000221
.000222
.000223
.000224
.000225
.000226
.000227
.000549
.000553
.000556
.000560
.000564
.000568
.000572
.000576
.000320
.000321
.000322
.000323
.000324
.000325
.000326
.000327
.000793
.000797
.000801
.000805
.000808
.000812
.000816
.000820
.000030
.000031
.000032
.000033
.000034
.000035
.000036
.000037
.000091
.000095
.000099
.000102
.000106
.000110
.000114
.000118
.000130
.000131
.000132
.000133
.000134
.000135
.000136
.000137
.000335
.000339
.000343
.000347
.000350
.000354
.000358
.000362
.000230
.000231
.0002.32
.000233
.000234
.000235
.000236
.000237
.000579
.000583
.000587
.000591
.000595
.000598
.000602
.000606
.000330
.000331
.000332
.000333
.000334
.000335
.000336
.000337
.000823
000827
.000831
.000835
.000839
.000843
.000846
.000850
.000040
.000041
.000042
.000043
.000044
.000045
.000046
.000047
.000122
.000125
.000129
.000133
.000137
.000141
.000144
.000148
.000140
.000141
.000142
.000143
.000144
.000145
.000146
.000147
.000366
.000370
.000373
.000377
.000381
.000385
.000389
.000392
.000240
.000241
.000242
.000243
.000244
.000245
.000246
.000247
.000610
.000614
.000617
.000621
.000625
.000629
.000633
.000637
.000340
.000341
.000342
.000343
.000344
.000345
.000346
.000347
.000854
.000858
.000862
.000865
.000869
.000873
.000877
.000881
.000050
.000051
.000062
.000053
.000064
.000065
.000066
.000057
.000152
.000156
.000160
.000164
.000167
.000171
.000175
.000179
.000150
.000151
.000152
.000153
.000154
.000155
.000156
.000167
.000396
.000400
.000404
.000408
.000411
.000415
.000419
.000423
.000250
.000251
.000262
.000253
.000264
.000265
.000256
.000257
.000640
.000644
.000648
.000652
.000656
.000659
.000663
.000667
.000350
.000351
.000352
.000353
.000364
.000355
.000356
.000357
.000885
.000888
.000892
.000896
.000900
.000904
.000907
.000911
.000060
.000061
.000062
.000063
.000064
.000065
.000066
.000067
.000183
.000186
.000190
.000194
.000198
.000202
.000205
.000209
.000160
.000161
.000162
.000163
.000164
.000165
.000166
.000167
.000427
.000431
.000434
.000438
.000442
.000446
.000450
.000453
.000260
.000261
.000262
.000263
.000264
.000265
.000266
.000267
.000671
.000675
.000679
.000682
.000686
.000690
.000694
.000698
.000360
.000361
.000362
.000363
.000364
.000365
.000366
.000367
.000915
.000919
.000923
.000926
.000930
.000934
.000938
.000942
.000070
.000071
.000072
.000073
.000074
.000075
.000076
.000077
.000213
.000217
.000221
.000225
.000228
.000232
.000236
.000240
.000170
.000171
.000172
.000173
.000174
.000176
.000176
.000177
.000457
.000461
.000465
.000469
.000473
.000476
.000480
.000484
.000270
.000271
.000272
.000273
.000274
.000275
.000276
000277
.000701
.000705
.000709
.000713
.000717
.000720
.000724
.000728
.000370
.000371
.000372
.000373
.000374
.000375
.000376
.000377
.000946
.000949
.000953
.000957
.000961
.000965
.000968
.000972
OCTAL
lA-8
82122900
3290
ALPHABETICAL INDEX
Subject
Page
C
Channel Busy line
Connect Code
Connect Line
Controls
3-4
3-7
3-1
2-1
0
Data Lines (12)
Data Signal line
Display Controller
Display Station
3-1
3-4
2-1
2-5
E
End of Record li ne
Error Processing
3-6
3-35
F
Fu nction Codes
Function line
Functional Description
3-7
3-3
1-2
I
Interface Control Codes
Interface Signal lines
Interrupt lines (8)
Interrupts
3-6
3-1
3-6
3-11
M
Master C lear line
Message Format
3-4
3-30
N
Negate BCD Conversion line
3-4
0
Operating Procedures
Operational Description
2-9
1-1
P
Parity Error Line
Parity line
Poller Symbol Repertoire
Poller Translation
Poller Interface Signals
3-6
3-1
3-36
3-23
3-23
82122900
3290
ALPHABETICAL INDEX (CONT)
2
Subject
Page
P
Poller Control Codes
Programming Aids
Programming Restrictions
3-26
3-22
3-22
R
Read Line
Read Operation Initiated by a Requesting Station
Read Operation Initiated by the Computer
Read;Write Operations
Reiect Line
Reply Line
3-3
3-20
3-21
3-19
3-5
3-4
S
Status Codes
Status lines (12)
Suppress Assembly/Disassembly Line
Symbol Data
3-7
3-6
3-5
3-12
T
Typical Operation Sequence
2-10
W
Word Formats
Write Line
Write Operation to a Local Display Station
Write Operation to a Poller
3-14
3-4
3-21
3-21
82122900
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