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SNA IMF Programmer's Reference Manual: HP 3000 MPE/iX Computer Systems
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HP Part Number: 30293-90009

Edition: Edition 2

Published: E0692

Table of Contents

Preface
Audience
Organization
Related Publications
1 Introducing SNA IMF
Overview of SNA IMF
Programmatic Access and Pass Thru
Hewlett Packard's IMF Products
Features of SNA IMF
Features of Asian SNA IMF
IBM Host Applications
The Functional Layers of SNA
Structure of SNA IMF
SNA IMF Product
SNA Link Products
Operating Environment
IBM Host Hardware Requirements
IBM Host Software Requirements
HP 3000 Hardware Requirements
HP 3000 Software Requirements
Language Support
The Communications Link
2 Using SNA IMF Intrinsics
Types of Intrinsics: Wait and No-Wait I/O
Standard MPE Wait I/O
No-Wait MPE I/O
Transparent and Non-Transparent Modes
Transparent (Data Stream) Mode
Non-Transparent Mode
Native Mode and Compatibility Mode
Understanding Intrinsic Result Codes
Understanding Host Screen Formats
IBM 3278 Screen Layout
Intrinsic Calling Sequences
Host Transmits Data First
Terminal Transmits Data First
3 Intrinsics Used with Standard MPE I/O
ACQUIRE3270
Syntax (for SNA IMF/V)
Syntax (for SNA IMF/XL)
Parameters
Description
ATTRLIST
Syntax
Parameters
Description
CLOSE3270
Syntax
Parameters
Description
ERR3270
Syntax
Parameters
Description
EXTFIELDATTR
Syntax
Parameters
Description
FIELDATTR
Syntax
Parameters
Description
OPEN3270
Syntax
Parameters
Description
PRINT3270
Syntax
Parameters
Description
READFIELD
Syntax
Parameters
Description
READSCREEN
Syntax
Parameters
Description
READSTREAM
Syntax
Parameters
Description
RECV3270
Syntax
Parameters
Description
RESET3270
Syntax
Parameters
Description
SCREENATTR
Syntax
Parameters
Description
STREAM3270
Parameters
Description
TRAN3270
Syntax
Parameters
Description
VERS3270
Syntax
Parameters
Description
WRITEFIELD
Syntax
Parameters
Description
WRITESTREAM
Syntax
Parameters
Description
Summary of Intrinsic Calls
Intrinsic Calls in COBOL
Intrinsic Calls in FORTRAN
Intrinsic Calls in BASIC
Intrinsic Calls in SPL
Intrinsic Calls in Pascal
Intrinsic Calls in C/XL
4 Intrinsics Used with No-Wait I/O
When to Use No-Wait I/O
When No-Wait I/O is Unnecessary
How to Use No-Wait I/O
ABORT3270
Syntax
Parameters
Description
IODONTWAIT
Syntax
Parameters
Description
IODONTWAIT3270
Syntax
Parameters
Description
IOWAIT
Syntax
Parameters
Description
IOWAIT3270
Syntax
Parameters
Description
A Intrinsic Result Codes
B SNA Character String (SCS) Support
C 3270 Bit Assignment and Character Translation Tables
Character Sets
D Differences Between IMF/3000 and SNA IMF/V
Product Structure
IMF/3000
SNA IMF
Configuration File Parameter
IMF/3000
SNA IMF
Screen Sizes
IMF/3000
SNA IMF
Display Screen Ownership
IMF/3000
SNA IMF
Intrinsics
IMF/3000
SNA IMF
E HP and IBM Differences in DBCS Implementation
Control Character Mapping
Undefined DBCS Characters
User-Defined DBCS Characters
F Sample Programs
Sample Program in Non-Transparent Mode
Sample Program in Transparent Mode
G Migrating Applications from SNA IMF/V to SNA IMF/XL
glossary
Index

List of Figures

1-1 The HP 3000 in the IBM 3270 Environment
1-2 SNA IMF Components and the IBM Host
2-1 Comparing SNA IMF and IBM Screen Layouts

List of Tables

2-1 SNA IMF Intrinsics, Wait and No-Wait I/O
2-2 SNA IMF Intrinsics, No-Wait I/O Only
3-1 Display Enhancement Options
3-2 Setting Up LU.T1 or LU.T3 Emulation
3-3 STREAM3270 Character Codes
3-4 Different Displayed Characters, HP and IBM
3-5 COBOL Data Types
3-6 COBOL Intrinsic Calls, MPE V and CM
3-7 COBOL Intrinsic Calls, MPE XL Native Mode
3-8 FORTRAN Intrinsic Calls
3-9 BASIC Intrinsic Calls, MPE V and CM
3-10 BASIC Intrinsic Calls, MPE XL Native Mode
3-11 Basic Variables
3-12 SPL Intrinsic Calls
3-13 Pascal Intrinsic Calls
3-14 C/XL Intrinsic Calls
B-1 SCS Codes Supported by SNA IMF
C-1 3270 Write Control Character Bis Assignment
C-2 Attention ID Codes Generated by SNA IMF
C-3 Command Codes for IBM Control Units
C-4 3270 Field Attribute Character Bit Assignment
C-5 3270 Buffer Control Orders
D-1 Display Screen Ownership
E-1 Default Mapping of Undefined Characters
   


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