Visible control characters

From The x3270 Wiki
wx3270 with visible control characters

Normally, 3270 start field characters are displayed as blanks. For debugging purposes, these characters can be made visible.


Control characters within a field are displayed using the host-specified field colors with an underline:

Code Meaning
< EBCDIC SO (X'0E', shift to DBCS)
> EBCDIC SI (X'0F', shift to SBCS)

Start Field characters are underlined, yellow, and on wc3270, in reverse video, using special codes:

Code Visible Protected Highlighted Selectable Numeric Modified
0 Visible
1 Visible Modified
2 Visible Selectable
3 Visible Selectable Modified
4 Visible Highlighted Selectable
5 Visible Highlighted Selectable Modified
7 Modified
8 Visible Numeric
9 Visible Numeric Modified
A Visible Selectable Numeric
B Visible Selectable Numeric Modified
C Visible Highlighted Selectable Numeric
D Visible Highlighted Selectable Numeric Modified
E Numeric
F Numeric Modified
G Visible Protected
H Visible Protected Modified
I Visible Protected Selectable
J Visible Protected Selectable Modified
K Visible Protected Highlighted Selectable
L Visible Protected Highlighted Selectable Modified
M Protected
N Protected Modified
O Visible Protected Numeric
P Visible Protected Numeric Modified
Q Visible Protected Selectable Numeric
R Visible Protected Selectable Numeric Modified
S Visible Protected Highlighted Selectable Numeric
T Visible Protected Highlighted Selectable Numeric Modified
U Protected Numeric
V Protected Numeric Modified

See also

visibleControl resource