Table of Contents
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Illustrations
Frontispiece IBM 2265 Display Station (Design Model)
8
General Poll, Sequence/Response Diagram
34
IBM 2845 Display Control (Design Model)
9
Read Addressed Full DS Buffer, Sequence/
1
Typical Connection of an IBM 2845 Display
Response Diagram.
35
Control to a Remote Central Processor
10
Write Addressed DS, Sequence/Response
Showing Application in a Multidrop Com-
Diagram
37
munications Network .
11
11
Erase/Write Addressed DS, Sequence/
2
2845 Display Station Keyboard
13
Response Diagram.
38
3
Example Display Showing SOM, NL, Check
12
Write Printer, Sequence/Response Diagram
39
Symbols, and Nondestructive Cursor (15 x 64
13
Write DS Line Address, Sequence/Response
Display Format)
21
Diagram
41
4
USASCII -8 Code Set
26
14
2265 Feature Chart .
50
5
Ten-Bit Format of Transmitted USASCII
15
2845 Feature Chart .
51
Characters
27
16
2265 United Kingdom Keyboard
52
6
Specific Poll to Display Station Sequence/
17
2265 French Keyboard
52
Response Diagram.
31
18
2265 German Keyboard
53
7
Specific Poll to Printer, Sequence/Response
19
Command Execution Timings .
56
Diagram
32
Tables
1
Functions of 2265 Display Station Keys
8
I/O Channel Read Command Ending Status
(Nondestructive Cursor)
14
and Sense Bytes
48
2
Functions of 2265 Display Station Keys
9
2265/2845 and 1053 Language Feature
(Destructive Cursor)
17
Character Differences .
53
3
Display Control Address Assignments
29
10
United Kingdom, French, and German
4
Remote Device Address Assignments .
29
Labels, Indicators, and Switches .
53
5
2265/2845 Commands.
29
11
USASCII-8 to Hexadecimal Code Con-
6
Display Line Addresses .
42
version Chart
54
7
Sample CCW Formats for Information Inter-
change Between 2845 and I/O Channel.
47
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