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Format of System 36/38 emulator's data area

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Offset Size Description

13Eh

BYTE bit flags for status line indicators turned on since this byte last zerod
13Fh BYTE bit flags for status line indicators turned off since this byte last set to FFh
140h WORD offset of EBCDIC to ASCII translation
146h WORD offset of EBCDIC screen buffer
148h WORD offset of EC (engineering change) level signature
150h BYTE "KEYI"
151h BYTE 5250 key scan code to be sent to remote
15Bh BYTE "SYSAV"
15Dh BYTE 5250 cursor column
15Eh BYTE 5250 cursor row
167h BYTE "DVCTAD"
178h BYTE "FLAGS"
184h BYTE "SESSNOAD"
193h BYTE "STNAD"
198h BYTE "NSDS"

Note:

offsets are from the interrupt handler's segment