6530 Programmer's Guide

Block Mode Operation
6530 Programmer’s Guide 3-21
application can use the Color Enhancement Query escape sequence
(Esc ?) to learn the video capabilities of the PC. If the PC’s hardware
allows, your application can utilize the additional attributes of the Color
Mapping Table (as shown in the following illustration).
With monochrome monitors, all the monochrome video attributes are
available. However, the resolution provided by the display adapter card is
not sufficient to distinguish between dim intensity and reverse video or
between normal video and reverse video. In addition, both the reverse
video and underscore attribute cannot be displayed at the same time. The
reverse attribute has precedence over the underscore attribute when both
are selected.
BYTE 0
BYTE 1
BYTE 2
BYTE 28
BYTE 29
BYTE 30
BYTE 31
PC6530 Color Mapping Table