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A

55

 

 

 

SFLCLR

A N55

 

 

 

SFLDSPCTL

A N55

 

 

 

SFLDSP

A

 

 

 

 

SFLSIZ(13)

A

 

 

 

 

SFLPAG(13)

A

 

 

 

 

ROLLUP(95 'ROLL UP')

A

 

 

 

 

OVERLAY

A

 

 

 

 

CA04(04 'RESTART ZIP CDE')

A

 

 

 

4

4'Zip Code'

A

 

ZIP

R

O 4

14DSPATR(HI)

A

 

 

 

7

4'Customer Name'

A

 

 

 

 

DSPATR(HI UL)

A

 

 

 

7

27'A/R Balance'

A

 

 

 

 

DSPATR(HI UL)

 

 

 

 

 

Figure

183

(Part

2 of 2).

DDS for display device file SZIPMENU

The DDS for the SZIPMENU display device file contains six record forma FOOT1, FOOT2, PROMPT, SUBFILE, and SUBCTL.

The

PROMPT

record

format requests

the user to enter a

zip

code. If

not found in the file,

an

error

message

is displayed.

The

user

can

sets

on

indicator

03,

to

end

the

 

program.

 

 

 

 

The SUBFILE record format must be defined immediately

preceding

the s

control record format SUBCTL. The subfile record format,

which

is

defi

keyword

SFL,

describes

each

field

in the

record, and

specifies

the

the

first

record

is

to

appear

on

the display (here,

on

line

9).

The subfile-control record format contains the following unique keywords:

¹SFLCTL identifies this format as the control record format and names

ciated subfile record format.

¹SFLCLR describes when the subfile is to be cleared of existing re

indicator 55 is on). This keyword is needed for additional displays.

¹SFLDSPCTL indicates when to display the subfile-control record format (w

indicator 55 is off).

¹

SFLDSP

indicates when to display the

subfile

(when

indicator 55 is of

¹

SFLSIZ

specifies

the

total

size

of

the subfile. In this example,

 

13 records

that

are

displayed

on

lines 9

through

21.

¹

SFLPAG

defines

the

number of

records

on a page. In this example, t

 

size

is the

same as

the

subfile

size.

 

 

¹ROLLUP indicates that indicator 95 is set on in the program when th function is used.

The OVERLAY keyword defines this subfile-control record format as an ov format. This record format can be written without the OS/400 system er screen first. F4 is valid for repeating the search with the same zi of F4 allows a form of roll down.)

360 ILE RPG for AS/400 Programmer's Guide

Page 383 Page 385
Page 384
Image 384
IBM AS/400 manual Indicates when to display Subfile When Indicator 55 is
Page 383 Page 385

AS/400 specifications

The IBM AS/400, now known as the IBM iSeries, is a midrange computer system that has been a cornerstone of enterprise computing since its introduction in 1988. Designed to provide a robust platform for business applications, the AS/400 is celebrated for its reliability, scalability, and integrated database capabilities.

One of the key features of the AS/400 is its Integrated Operating Environment, which blends hardware and software resources seamlessly. This integration allows businesses to execute diverse workloads, ranging from traditional applications to modern web-based services, all on a single platform. The operating system, OS/400 (now IBM i), offers a rich set of APIs and tools for developers, simplifying application development and management.

Another standout characteristic of the AS/400 is its built-in database, DB2 for i. This powerful relational database management system allows for efficient data handling and provides advanced features such as support for SQL, XML, and JSON, making it easier for businesses to manage their data and integrate it with other systems. The database's tight integration with the operating system enables high performance and security.

In terms of scalability, the AS/400 can accommodate small businesses as well as large enterprises, with the ability to support hundreds of users simultaneously. Its architecture allows for easy upgrades in hardware, meaning that organizations can scale their systems without replacing the entire infrastructure.

Security is another critical attribute of the AS/400. With a sophisticated security model, it offers built-in user authentication, access control, encryption, and auditing capabilities to protect data and applications from unauthorized access.

The AS/400 also supports multiple programming languages, including RPG, COBOL, Java, and PHP, giving organizations the flexibility to choose the development tools that best fit their needs. This diversity helps maintain legacy applications while also developing new ones that leverage modern technologies.

Moreover, the platform supports both traditional green-screen interfaces and modern graphical user interfaces, allowing organizations to transition smoothly into contemporary user experience paradigms.

Overall, the IBM AS/400 stands out as a resilient, flexible, and secure computing platform that enables organizations to effectively manage their business operations, streamline processes, and adapt to changing market demands. Its unique combination of integrated features and capabilities ensures that it remains relevant in today's fast-paced technology landscape.
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