Table of Contents
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ILLUSTRATIONS
FIGURES
Figure
1.
Status of Control Information and Pointers • • • • • • • • 47
Figure
2.
Format of Combined Work and Control Block Area • • • • • • 48
Figure
3.
General Flow of a Nonstandard Label Processing Routine
After Receiving Control From the OPEN Routine. • • • • . • • • • • • 49
Figure
4.
General Flow of a Nonstandard Label Processing Routine
After Receiving Control FrOID the CLOSE Routine • • • • • • • • . • . 50
Figure
5 •
GenE~ral
Flow of a Nonstandard Label Processing Routine
After Receiving Control Frorr the EOV Routine •
• • • • • • • • • 51
Figure
6.
Editor Routine Entry Conditions.
. • . . . •
• 57
Figure
7.
General Flow of an Editor Routine After Receiving
Control From the OPEN Routine. • • • • • • •
• • • • •
• • 59
Figure
8.
General Flow of an Editor Routine After Receiving
Control From the End-of-Volume Routine •
• • . • •
• 60
Figure
9.
Data Control Block Format for EXCP (After OPEN).
• • 86
Figure 10.
Input/Output Block Format. • • • • • . • • . .
• • • 93
Figure 11.
Event Control Block After Posting of Completion Code.
95
Figure 12.
Event Control Block After Posting of Completion Code • • • 102
Figure 13.
The XDAP Channel Programs. • • • • • • • • . •
• .103
TABLES
Table 1.
Programming Conventions for SVC Routines • • • • • • • . • • 33
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