B69000 Asiliant Technologies, B69000 Datasheet - Page 235
B69000
Manufacturer Part Number
B69000
Description
Manufacturer
Asiliant Technologies
Datasheet
1.B69000.pdf
(360 pages)
Specifications of B69000
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15-20
FR17
read/write at I/O address 3D1h with index at I/O address 3D0h set to 17h
This register sets the FRC polynomial counters, which are row and column offsets for each panel type and
are usually determined by trial and error. These values affect the quality of both 2-frame and the 16-frame
FRC algorithms and require readjustment when the horizontal or vertical parameters change, especially
when the vertical total parameter is changed.
7-4
3-0
FR18
read/write at I/O address 3D1h with index at I/O address 3D0h set to 18h
7-2
1
0
&+,36
7
7
Polynomial 'M' Value
Polynomial 'N' Value
Reserved (0)
Text Enhancement
Reserved (0)
69000 Databook
Polynomial FRC Control Register
FP Text Mode Control Register
Polynomial M Value
6
6
Bit
1
0
1
Normal text (default)
Text attribute 07h and 0Fh are reversed to maximize the
brightness of the normal DOS prompt. This affects Flat Panel
displays.
5
5
Reserved
(0000:00)
Subject to Change Without Notice
Flat Panel Registers
4
4
Text Enhancement
3
3
Polynomial N Value
2
2
Text Enhancement
Revision 1.3 8/31/98
1
1
(00)
0
0
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