Bull DPX/20 Installationsanleitung PDF herunterladen (Seite 110)

Host Connection Program Guide and Reference

3-8

Write Control Characters

The Write Control Character (WCC) bits have these definitions.

WCC Bit

Explanation

0 No function.

1 No function for the WR command. Reset function, if set to 1, for

EW and EWA commands.

2, 3 Reserved.

4 Starts printer (SNA only). When set to 1, initiates a local-copy

operation at the completion of the write operation.

5 Sounds alarm. When set to 1, causes the audible alarm to sound.

6 Restores keyboard. When set to 1, causes keyboard operation to

be restored (by resetting system lock or WAIT indicator) and

resets AID to X‘60’.

7 Resets MDT bits in field attributes (WR command only). When

set to 1, causes MDT bits to be reset to 0 in all field attribute

bytes before any orders or data characters are processed.

3270 Data Stream Orders

An HCON display session supports these 3270 data stream orders.

Order

Mnemonic Hex Line Code

Set Buffer Address SBA 11

Start Field SF 1D

Start Field Extended SFE 29

Modify Field Attribute MF 2C

Set Attribute SA 28

Insert Cursor IC 13

Program Tab PT 05

Order Mnemonic Hex Line Code

Repeat to Address RA 3C

Erase Unprotected to Address EUA 12

The 3270 data stream orders perform the following operations:

Set Buffer Address (SBA)

Sets the current buffer address to the value specified in bytes 1 and 2. The

display session supports 12-, 14-, and 16-bit addressing. The SBA format

is:

Byte

Content Description

0 X‘11’ SBA Order Code

1–2 X‘....’ New, Current Buffer Address

1 2 ... 105 106 107 108 109 110 111 112 113 114 115 ... 333 334

Keine Kommentare

Bull DPX/20 Installationsanleitung Seite 110