Display Data Stream—Chapter 6
261TE 2000
5250 Terminal Emulation Programmer’s Guide
Note: Queued Read commands and pending AID codes are not cleared.
The format table, display annunciators, insert mode keying history, and
display contents are not affected.
Read Modified Immediate Alternate
Function
The Read Modified Immediate Alternate command enables the host to
read data from modified input f ields without depending on the operator to
press an AID request key.
Restrictions
None.
Format
The command takes the following f orm:
ESC Read Modified Immediate Alternate Command
Hex 04 Hex 72
Results
This command is processed the same as the Read I mmediate command,
except for these differences in the format of data sent to host:
S Controller only returns data from those fields in the format table that
have the M DT bit on.
S Data field is delimited by Set Buffer Address (SBA) orders in the same
way as the response data field for the Read MDT Fields command.
S Leading and imbedded nulls within each field’s data are not converted
to blanks.
S Trailing nulls within each field’s data are suppressed.
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