Computer Expressions 40CG Manual de usuario descargar pdf (Pagina 57)

Computer Gateway User Manual 4-21 5/96

4.3.6

4.3.6 DDT List Return

This message is returned by the CG if the host processor has requested the DDT list.

Eight-Character Tagname Form

Header information: Word 1—Transaction-Code = 48

Word 2—Number of Words = 2 plus 5 times the number of

Internal DDT tables in-CG

Word 5—CG Identifier = 3

Message format: Word 1—Return status (integer) 0=normal status

1=invalid type

Word 2—Number of Internal DDTs (integer)

Words 3..7—Internal DDT table name 1 (9 ASCII characters)

Words 8..12—Internal DDT table name 2 (9 ASCII characters)

Words nn..nn+4—Internal DDT table name N (9 ASCII

characters, nn=5N-2)

Use information: There can be a maximum of 40 Internal DDTs per-CG.

Sixteen-Character Tagname Form

Except for the Transaction Code (148), the sixteen-character tagname form for this message

is identical to the eight-character tagname form.

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 227 228

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Computer Expressions 40CG Manual de usuario Pagina 57