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SDA, or Screen Design Aid, is a DDS editing tool that lets you do quasi-WYSWIG design & maintenance of DDS for display files. It comes with OS/400 as part of ADTS/400 and it was also available on S/36 SSP. The kinds of objects created with SDA are conceptually similar to many from DDS and UIM. Some of what SDA can edit can also be updated by PDM and SEU.

SDA Features

Design and/or modify

  • Display Record Formats
  • Application Menus
  • Subfiles

Fill in the blank format

Generates DDS specifications, menu, display file source, message file for menus

Some knowledge of DDS keywords needed.

Extensive support for testing displays and individual indicators, without running the actual program that the screens are to be used with.