Specifications

90
[ 2 ] Character attributes (Reverse font attribute, enlargement
attribute, tone attribute)
Reverse font attribute
Characters may be reversed (highlighted).
Enlargement attribute
Characters may be displayed in regular-size, double-width, double-height, and quadruple-size,
as listed in [ 1 ].
Tone attribute
Characters may be displayed in black, dark gray, light gray, and white.
Switching the character attributes
You may switch the reverse font attribute, enlargement attribute, and tone attribute by using
the
SCREEN statement (charaattribute parameter). Refer to Chapter 14, SCREEN.