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Digital Equipment pdp11 RSX-11M manual available for free PDF download: Reference Manual
Digital Equipment pdp11 RSX-11M Reference Manual (308 pages)
I/O Drivers
Brand:
Digital Equipment
| Category:
I/O Systems
| Size: 12 MB
Table of Contents
Section 1
4
Table of Contents
4
Section 2
14
CONTENTS (Cont.)
15
Device-Specific QIO Functions for
15
CHAPTER 1 RSX-Llm INPUT/OUTPUT
18
Structure of the Document
18
OVERVIEW of RSX-Llm
22
Physical, Logical, and Virtual I/O
23
RSX-Llm DEVICES
23
Logical Unit Number
25
Logical Unit Table
25
Logical Units
25
Changing LUN Assignments
26
Issuing an I/O Request
27
QIO Macro Format
28
Significant Events
31
System Traps
31
Directive Parameter Blocks
32
I/0-Related Macros
33
QIO Directive Parameter Block
33
The GLUN$ Macro: Retrieving LUN Information
38
The ASTX$S Macro: Terminating AST Service
40
The WTSE$ Macro: Waiting for an Event Flag
40
Standard I/O Functions
41
IO.ATT: Attaching to an I/O Device
42
IO.DET: Detaching from an I/O Device
43
IO.KIL: Canceling I/O Requests
43
IO.RLB: Reading a Logical Block
43
IO.RVB: Reading a Virtual Block
44
IO.WLB: Writing a Logical Block
44
IO.WVB: Writing a Virtual Block
44
I/O Completion
45
Return Codes
46
Directive Conditions
47
I/O Status Conditions
49
Introduction
53
Standard Terminal Devices
53
Terminal Driver
53
ASR-33/35 Teletypes
54
KSR-33/35 Teletypes
54
LA30 Decwriters
54
LA36 Decwriter
54
RT02 Alphanumeric Display Terminal and RT02-C Badge Reader/Alphanumeric Display Terminal
54
Standard Communication Line Interfaces
54
Qio Macro
55
VT05B Alphanumeric Display Terminal
55
Standard and Device-Specific QIO Functions for Terminals
56
Status Returns
56
Terminal Status Returns
57
Control Characters
59
Control Characters and Special Keys
59
Terminal Control Characters
59
Special Keys
60
Special Terminal Keys
61
Vertical Format Control
61
Vertical Format Control Characters
61
Dhll Asynchronous Serial Line Multiplexer
62
Djll Asynchronous Serial Line Multiplexer
62
Dlll Asynchronous Serial Line Interface
62
Terminal Interfaces
62
Escape Code Conversion
63
Programming Hints
63
RT02-C Control Function
63
Terminal Line Truncation
63
Manual Objectives and Reader Assumptions
18
Preface
18
CHAPTER 3 Rfll/Rsll Fixed-Head Disk
64
Standard Disk Devices
64
RP04 Pack Disk
65
RP11/RP03 or RP02 Pack Disk
65
RS03 Fixed-Head Disk
65
RS04 Fixed-Head Disk
65
Qio Macro
66
Standard QIO Functions
66
Device-Specific QIO Functions
67
Standard QIO Functions for Disks
67
Disk Status Returns
68
Status Returns
68
Chapter 4 Chapter Dectape Driver
71
Introduction
71
Device-Specific QIO Functions
72
Qio Macro
72
Standard QIO Functions
72
Standard QIO Functions for Dectape
72
Dectape Status Returns
73
Device-Specific Functions for Dectape
73
Status Returns
73
Dectape Recovery Procedures
75
Dectape Transfers
76
Programming Hints
76
Reverse Reading and Writing
76
Select Recovery
76
Speed Considerations When Reversing Direction
76
Aborting a Task
77
Introduction
78
Magnetic Tape Drivers
78
Qio Macro
79
TU16 Magnetic Tape
79
Device-Specific QIO Functions
80
Standard QIO Functions
80
Io.rwd
81
Io.rwu
81
Io.sec
81
Determination of Tape Characteristics for the Tulo
83
Determination of Tape Characteristics for the TU16
84
Status Returns
85
Select Recovery
87
Aborting a Task
88
Block Size
88
Importance of Resetting Tape Characteristics
88
Programming Hints
88
Retry Procedures for Reads and Writes
88
Writing an Even-Parity Zero
88
Chapter 6 Cassette Driver
89
Get Lon Information Macro
89
Introduction
89
Device-Specific QIO Functions
90
Qio Macro
90
Standard QIO Functions
90
Status Returns
91
Cassette Recovery Procedures
93
Structure of Cassette Tape
93
Programming Hints
94
Structure of Cassette Tape
94
Block Length
95
End-Of-File and IO.SPF
95
Importance of Rewinding
95
Logical End-Of-Tape
95
The Space Functions, IO.SPB and IO.SPF
95
Verification of Write Operations
95
Chapter 7 Line Printer Driver
96
Lpll Line Printer
96
7.1.3 Lvll Line Printer
97
7.3 Qio Macro
97
Get Lun Information Macro
97
Lsll Line Printer
97
7.4 Status Returns
98
7.4.1 Ready Recovery
99
7.6 Programming Hints
100
Aborting a Task
101
Print Line Truncation
101
RUBOUT Character
101
Introduction
64
7.1 Introduction
96
Chapter 8 Card Reader Driver
103
8.3.L Standard QIO Functions
103
8.3.2 Device-Specific QIO Function
103
8.4 Status Returns
104
8.4.L Card Input Errors and Recovery
104
8.4.2 Ready and Card Reader Check Recovery
107
I/O Status Conditions
108
8.5 Functional Capabilities
109
Control Characters
109
8.6 Card Reader Data Formats
110
Alphanumeric Format (026 and 029)
110
8.6.2 Binary Format
111
8.7 Programming Hints
111
8.7.1 Input Card Limitation
111
8.7.2 Aborting a Task
112
Chapter 9 Message-Oriented Communication Drivers
114
Dlll-E Asynchronous Line Interface
114
Dpll Synchronous Line Interface
114
Dqll Synchronous Line Interface
115
Dull Synchronous Line Interface
115
Get Lun Information Macro
115
Qio Macro
116
Standard QIO Functions
116
Device-Specific QIO Functions
117
Io.fdx
117
Io.hdx
118
Io.rns
118
Status Returns
119
Programming Hints
120
Transmission Validation
121
Redundancy Checking
121
Low-Traffic Sync Character Considerations
121
Vertical Parity Support
122
Importance of IO.INL
122
Programming Example
122
Analog-To-Digital Converter Drivers
123
Introduction
123
Afcll Analog-To-Digital Converter
123
Adol-D Analog-To-Digital Converter
123
Get Lun Information Macro
124
Qio Macro
124
Standard QIO Function
124
Device-Specific QIO Function
124
Fortran Interface
125
Synchronous and Asynchronous Process Control I/O
125
The Isb Status Array
125
FORTRAN Subroutine Summary
126
Aird/Airdw
126
Channels
126
ASADLN: Assigning a LUN to the Adol-D
128
ASAFLN: Assigning a LUN to the Afcll
128
Status Returns
129
FORTRAN Interface Values
130
Functional Capabilities
131
Control and Data Buffers
131
Programming Hints
131
Use of A/D Gain Ranges
131
Identical Channel Numbers on the Afcll
131
Afcll Sampling Rate
131
Restricting the Number of Adol-D Conversions
132
Universal Digital Controller Driver
133
Introduction
133
11.1.1 Creating the Udcll Driver
133
Accessing Udcll Modules
134
Direct Access
140
Get Lun Information Macro
164
Qio Macro
164
Mapping Table Entry Format
273
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