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On-Screen Display
Setting Up the OSD
MN102H75K/F75K/85K/F85K LSI User Manual Panasonic Semiconductor Development Company
185
Panasonic
■ Box shadowing
In normal mode, writing a 1 to bit 12 (BSHAD1) of the COL setting in the
VRAM causes a box shadow to appear around all characters following that COL.
If COL bit 11 (BSHAD0) is 0, the color specified in the WBSHD register
(x’007FA6’) appears on the top and left sides of the box and the color specified in
the BBSHD register (x’007FA4’) appears on the bottom and right sides of the
box. These positions are reversed if BSHAD0 is 1. Figure 7-25 shows an example
of box shadowing. As shown in the figure, the right-hand border of the shadow
box appears in the character field to the right of the shadowed text.
To output a box shadow to the
right, output a space to the right
of the text.
Figure 7-25 Box Shadowing Example
Box shadowing (black)
(Specify the color in BBSHD: x’7FA4’)
Box shadowing (white)
(Specify the color in WBSHD: x’7FA6’)
BSHAD0 = 0
BSHAD0 = 1
18 dots
16 dots 16 dots