ACT apricot - Page 257

SCREEN DRIVER
1. Reverse Field Video.
When this bit is set, the display hardware will produce
black characters on a green background.
2. High/Low intensity
When this bit is set, its corresponding character will be
displayed
in high intensity (or enhanced, foreground) mode.
3. Underline
If this bit is set, a horizontal line one pixel high will be
printed along the bottom of the character. The position in
the font cell of the Underline bit determines where the line
is to go; thus, underlining is programmable.
4. Strikethrough
This bit determines whether a horizontal line appears
through the middle of the character displayed or not.
5. Software reserved
This bit is currently not used by the display harware or
software,
however future BIOS releases may use it.