EM3270 Manual

Tandem/IBM Terminal to Fujitsu Host Translation
B-8 110332—Tandem EM3270 Manual
EM3270 Emulation With a Kanji Host
Tandem/IBM Terminal to Fujitsu Host Translation
The translation of data from the Tandem terminal into a Fujitsu 66xx-compatible data
stream consists of:
•
Translating the Tandem terminal function key into the appropriate AID byte.
•
Translating the Tandem terminal cursor address.
•
Translating each modified data field into an SBA, attribute address plus 1 followed
by the data in the field. The attribute address is omitted if in unformatted mode.
IBM Host to Tandem/Fujitsu Printer Translation
For IBM 328x printer emulation, the commands issued by the IBM host application are
handled as described in Table B-14.
During IBM 328x printer emulation, the WCC character that follows the Write,
Erase/Write, and Erase/Write Alternate commands is handled as described in Table
B-15.
Note. PA1 key of IBM 3270 is assigned to a local function key for the EM3270 emulator. Refer
to Table 2-2 for use of the PA1 key.
Table B-14. Translation of IBM Printer Commands
Command EM3270 Emulator Action
Erase All Unprotected Not supported.
Write Fully supported. See specific handling of printer orders and
WCC bits below.
Erase/Write Fully supported.
Erase/Write Alternate Partially supported. This command is handled the same as
Erase/Write. The alternate buffer sizes are not supported.
Read Buffer Ignored.
Read Modified Ignored.
Read Modified All Ignored.
Table B-15. WCC Character Translation (328x Printer Emulation) (page 1 of 2)
WCC Bit EM3270 Emulator Action
Bit 0 - Unused Ignored.
Bit 1 - WCC Reset Bit Not supported.
Bits 2-3 - Printout Format Fully supported.
Bit 4 - Start Printer Not supported.