P080 kb flag, Shift flag – MagTek MINIWEDGE SWIPE READER User Manual
Page 25
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Section 3. Operation
19
P080 KB Flag
S A
3
A
2
A
1
- - - E
E
0 – Use internal US keyboard scan codes
1 – Use table stored in parameter area
A
1
0 – OEM, ALT+ASCII Code
1 – ANSI, ALT+'0'+ASCII Code
A
3, 2
00 – No Alt codes
01 – Alt only if no scan code in table
10 – Alt for all but fixed keys (CR, LF, TAB, SPACE, ESC, BS, DEL)
11 – Alt for all keys
S
0 – keyboard uses Caps Lock
1 – Keyboard uses Shift Lock
Shift Flag
The Shift Flag is included in flags for each scan code.
A
4
A
3
A
2
A
1
- - - -
A
1
0 – non-Alpha or (a-z)
1 – key affected by Caps Lock/upper case flag
A
2
0 – Does not need Ctrl key
1 – Needs Ctrl key
A
3
0 – Does not need AltGr key
1 – Needs AltGr
A
4
0 – Does not need Shift key
1 – Needs Shift key
Keyboard scan codes, other than English Language, are stored in locations 083H-114H as two-byte
values. The first byte describes the shift flag condition; the second byte is the scan code.