IBM 3164 ASCII Manual page 152

Using the Set Character/Field Attribute commands to adjust color
Foreground color is a color attribute usually assigned to a graphic character
while background color is a color attribute usually assigned to the surrounding
box. These color attributes can be changed or inverted as in the reverse video
by specifying color in the character and field attributes.
In Default Color mode, the terminal displays characters in the four colors of
red, green, blue, and white. Which color will be displayed for that field or
character will depend on the following field attribute (FA) and character
attribute (CA) combinations.
Foreground Color Combination of FA/CA
Green Unprotected and normal display
Blue Protected and normal display
Red
Unprotected and high intensity
White Protected and high intensity
I n Default Color mode, all field characteristics except the color attributes, are
effective; for example, the character in white or blue will be protected from
modification by the operator. This means that the color attributes you specify
in the field and character attributes are ignored.
Once you have enabled the Program Color mode using the Set Control 2
command, all characters and fields can be displayed in one of the following
eight colors. The foreground and background colors can be independently
controlled.
•
Black (default of background)
•
Red
•
Green (default of foreground)
•
Yellow
•
Blue
•
Magenta (Purple)
•
Turquoise (Light Blue)
•
White.
The high intensity attribute is ignored and the underline appears in the same
color as the foreground.
In both the Default Color and Program Color modes, the underline cursor
appears in white and the block cursor inverts the background and foreground
colors. The divider line appears in blue and character/symbols in the operator
information area in green. For a reverse attribute, the background and
foreground colors are reversed.
If the page is formatted in Program Color mode, black and green are used as
the default background and foreground colors, respectively.
5-65