Display Data StreamChapter —6
270 TE 2000
5250 Terminal Emulation Programmer’s Guide
Results
Bytes Command Class Definition
0–1 0x00 0x00 Cursor row/column
2 0x08 Inbound Write S tructured Fi e ld aid
3–4 Length of query reply
5 Command class
6 Command type — q uery
7 Flag byte
8–9 0x02 0x00 Controller Hardware Class PC DOS non DBCS WSF
10–12 Controller code level
13–28 0x00 Reserve d
29 0x01 5250 Emulation
30–33 0xf5 0xf2 0xf9 0xf1 Device type 5291
34–36 0xf0 0xf0 0xf0 Model 000
37 0x01 Standard keyboard
38 0x00 Extended keyboard ID
39 0x00 Reserved
40–43 Display serial number
44–45 0x01 0x00 Maximuim number of input fields 256
46–48 0x00 Reserved
49–53 Controller display capability
Byte 49 definition:
Bits0–1 01 Row 1/Col 1 support
Bit 2 1 Read MDT alternate support
Bit3 0 DisplaydoesnothavePA1/PA2support
Bit 4 0 Display does not have PA3 support
Bit 5 0 Display doesnot have cursor select support
Bit 6 0 Display does not have Move cursor Order support
Bit 7 1 Read MDT Immediate Alt command support
Byte 50 definition:
Bit 0–3 0001 24x80 screen si ze
Bit 4 0 No light pen support
Bit 5 0 No magnetic s tripe su pport
Bit 6–7 00 Monochrome display
Byte 51 definition
0x00 Reserved
Byte 52 definition:
Bit 0–2 000 No Double-Byte Character support
Bit 3–7 Reserved
Byte 53 definition:
Bit 0–2 000 No graphics capability
54–60 Reserved
Note: For command class 0xd8 with a type code of 0x20 only data thru
byte 7 is returned to the host.
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