EM3270 Manual

IBM Host to Tandem/Fujitsu Terminal Translation
B-2 110332Tandem EM3270 Manual
EM3270 Emulation With a Kanji Host
IBM Host to Tandem/Fujitsu Terminal Translation
For terminal emulation, the IBM 3270 commands issued by the IBM host application
are handled as described in Table B-2.
The WCC character that follows the Write, Erase/Write, and Erase/Write Alternate
commands is translated as described in Table B-3.
Table B-4 describes the translation performed by the EM3270 emulator on specific
buffer orders contained in the data stream sent from the IBM host application to the
terminal.
Table B-2. IBM 3270 Command Translation
Command EM3270 Emulator Action
Erase All Unprotected Fully supported.
Write Fully supported. See specific handling of buffer orders and
WCC bits below (Tables B-4 and B-5).
Erase/Write Fully supported.
Erase/Write Alternate Partially supported. This command is handled the same as
Erase/Write. The alternate screen sizes are not supported.
Read Buffer Fully supported.
Read Modified Fully supported.
Read Modified All Fully supported.
Table B-3. Translation of IBM 3270 WCC Characters
WCC Bit EM3270 Emulator Action
Bit 0 - Unused Ignored.
Bit 1 - WCC Reset Bit Not supported.
Bits 2-3 - Printout Format Supported.
Bit 4 - Start Printer Supported.
Bit 5 - Sound Alarm Supported.
Bit 6 - Keyboard Restore Supported.
Bit 7 - Reset MDT Bits Supported.