NT6828
(3) Row Attribute Register: Row 0 - 14, Column 30
Row 0-14
Column 30
7
6
5
4
3
2
1
0
RW GW BW DBH DBW
Rows’ Attribute Control
Bit 4 - 2: RW/GW/BW- These three bits define the color attributes of the corresponding character/symbol at each row
when overlapped by window and its control bit ROW cleared to ‘0’. (Please refer to Table 2 for the color
selections.)
Bit 1: DBH- This bit controls the height of the displayed character/symbol. When this bit is set, the character/symbol is
displayed in double height. (Please refer to Figure 3.)
Bit 0: DBW- This bit controls the width of the displayed character/symbol. When this bit is set, the character/symbol is
displayed in double width. (Please refer to Figure 3.)
Table 2. Character/Windows Color Selection
COLOR
RW
GW
BW
Black
Blue
Green
Cyan
Red
Magenta
Yellow
White
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
8