F65510

Manufacturer Part NumberF65510
DescriptionControllers, Flat Panel VGA Controller
ManufacturerIntel Corporation
F65510 datasheet
 
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Page 106/154:

SMARTMAP SHIFT PARAMETER REGISTER

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SMARTMAP™ SHIFT PARAMETER
REGISTER (XR62)
Read/Write at I/O Address 3B7h/3D7h
Index 62h
D7 D6 D5 D4 D3 D2 D1 D0
Foreground Shift
Background Shift
This register is used in text mode when SmartMap
is enabled (XR61 bit-0 = 1).
3-0
Foreground Shift
These bits define the number of levels that
the foreground color is shifted when the
foreground and background colors are
closer than the SmartMap Threshold (XR61
bits 1-4).
If the foreground color is
"greater" than the background color, then
this field is added to the foreground color.
If the foreground color is "smaller" than the
background color, then this field is sub-
tracted from the foreground color.
7-4
Background Shift
These bits define the number of levels that
the background color is shifted when the
foreground and background colors are
closer than the SmartMap Threshold (XR61
bits 1-4).
If the background color is
"greater" than the foreground color, then
this field is added to the background color.
If the background color is "smaller" than
the foreground color, then this field is sub-
tracted from the background color.
Revision 0.7
SMARTMAP™ COLOR MAPPING CONTROL
REGISTER (XR63)
Read/Write at I/O Address 3B7h/3D7h
Index 63h
D7 D6 D5 D4 D3 D2 D1 D0
5-0
Color Threshold
These bits are effective for monochrome
(XR51 bit-5 = 1) single/double drive flat
panel with 1 bit/pixel (XR50 bits 4-5 = 11)
without FRC (XR50 bits 0-1 = 11). They
specify the color threshold used to reduce
6-bit video to 1-bit video color.
values equal to or greater than the threshold
are mapped to 1 and color values less than
the threshold are mapped to 0.
6
Reserved
7
Graphics Video Output Polarity (GVP)
This bit is effective for flat panel graphics
mode only.
0 Normal polarity
1 Inverted polarity
Note: Text
video
controlled by XR61 bit-7 (TVP).
102
Extension Registers
Color Threshold
Reserved
Gr Video Output Polarity
Color
output
polarity
is
Preliminary 65510