Host Access Class Library for Java

Host Access Class Library for Java

Extended Field Plane

This plane contains extended character attribute data.

This plane is a sparse array of extended character attribute values. All values in the array are binary zero except for characters in the presentation space for which the host has specified extended character attributes. The meaning of the extended character attribute values are as follows:

Table 5. 3270 Extended Character Attributes

Bit Position (0 is least significant bit) Meaning
7, 6 Character highlighting
0, 0
Normal
0, 1
Blink
1, 0
Reverse video
1, 1
Underline
5, 4, 3 Character color
0, 0, 0
Default
0, 0, 1
Blue
0, 1, 0
Red
0, 1, 1
Pink
1, 0, 0
Green
1, 0, 1
Turquoise
1, 1, 0
Yellow
1, 1, 1
White
2, 1 Character attribute
00
Default
11
Double-byte character
0 Reserved

Table 6. 5250 Extended Character Attributes

Bit Position (0 is least significant bit) Meaning
7
0
Normal image
1
Reverse image
6
0
No underline
1
Underline
5
0
No blink
1
Blink
4
0
No column separator
1
Column separator
3, 2, 1, 0 Reserved

Table 7. VT Extended Character Attributes

Bit Position (0 is least significant bit) Meaning
7
0
Normal image
1
Reverse image
6
0
No blink
1
Blink
5
0
No underline
1
Underline
4, 3, 2, 1, 0 Reserved

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