EM3270 Manual

EM3270 Emulation Description
Tandem EM3270 Manual—110332 A-3
IBM Host to Tandem Terminal Translation
The WCC character that follows the Write, Erase/Write, and Erase/Write Alternate
commands is processed, as described in Table A-2.
Table A-3 describes the translation performed by the emulator on specific buffer orders
contained in the data stream sent from the IBM host application to the terminal.
The attribute byte that follows the Start Field order is processed, as described in Table
A-4.
Table A-2. Translation of 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.
Table A-3. Translation of Buffer Orders
Buffer Order EM3270 Emulator Action
Start Field (SF) Fully supported.
Set Buffer Address (SBA) Fully supported.
Insert Cursor (IC) Fully supported.
Program Tab (PT) Fully supported.
Repeat to Address (RA) Fully supported.
Erase Unprotected to
(Address)
Fully supported. Address (EUA).
Start Field Extended (SFE) Partially supported. Programmed symbols are not supported.
Modify Field (MF) Partially supported. Programmed symbols are not supported.
Set Attribute (SA) Not supported.
Table A-4. Attribute Byte Translation (IBM Host to Tandem Terminal) (page 1
of 2)
Attribute Bit EM3270 Emulator Action
Bits 0-1 - Unused Ignored.
Bit 2 - Protect Bit Fully supported.
Bit 3 - Data Type Fully supported.