6530 Programmer's Guide
Block Mode Operation
3-22
6530 Programmer’s Guide
Table 3-3 summarizes the video attributes selected by each attribute 
character for the monochrome mapping table. 
Table 3-3. Video Attribute Combinations for 
Monochrome Table Attribute Bit Pattern
Attribute 
Character
Bit Pattern 
4 3 2 1 0 Selected Video Attributes 
space 0 0 0 0 0 Normal video
! 0 0 0 0 1 Dim intensity 
“  0 0 0 1 0 Blinking 
# 0 0 0 1 1 Blinking and dim intensity 
$ 0 0 1 0 0 Reverse video 
% 0 0 1 0 1 Reverse video and dim intensity 
& 0 0 1 1 0 Reverse video and blinking 
’  0 0 1 1 1  Reverse video, blinking, and dim intensity 
( 0 1 0 0 0 Invisible (nondisplay) 
) 0 1 0 0 1 Invisible and dim intensity 
* 0 1 0 1 0 Invisible and blinking 
+ 0 1 0 1 1 Invisible, blinking, and dim intensity 
, 0 1 1 0 0 Invisible and reverse video 
- 0 1 1 0 1 Invisible, reverse video, and dim intensity 
. 0 1 1 1 0 Invisible, reverse video, and blinking 
/ 0 1 1 1 1 Invisible, reverse video, blinking, dim 
intensity 
0 1 0 0 0 0 Underscore
1 1 0 0 0 1 Underscore and dim intensity
2 1 0 0 1 0 Underscore and blinking 
3 1 0 0 1 1 Underscore, blinking, and dim intensity 
4 1 0 1 0 0 Reverse video 










