Table of Contents
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R.gister
Mode
of Operation
Nlme
Port
Index
0
1
2
3
4
5
6
7
0
E
F 10
F:
10: 0* 1 * 2* 3*
Cursor LC Hi
3?5
OE
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Cursor LC Low
3?5
OF
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Vrt Retr Strt
3?5
10
E1 E1 E1 E1 E1
E1
EO 5E E1 EO 5E 5E 5E 5E 5E 5E 5E 5E
Light Pen Hi
3?5
10
-
-
- -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Vert Retr End
3?5
11
24 24 24 24 24 24 23 2E 24 23 2E 28 2E 28 2B 2B 2B 2B
Light Pen Low
3?5
11
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Vrt Oisp End
3?5
12
C7 C7 C7 C7 C7 C7 C7 50 C7 C7 5D 5D 50 50 50 50 5D 5D
Offset
3?5
13
14 14 28 28 14 14 28 28 14 28 14 14 28 28 14 14 28 28
Underline Loc
3?5
14
08 08 08 08
Q{)
00 00 00 00 00 OD OF 00 OF OF OF OF OF
Strt Vert Blk
3?5
15
EO EO EO EO EO EO OF 5E EO OF 5E 5F 5E 5F 5E 5E 5E 5E
End Vert Blk
3?5
16
FO FO FO FO FO FO EF 6E FO EF 6E OA 6E OA OA OA OA OA
Mode Control
3?5
17
A3 A3 A3 A3 A2 A2 C2 A3 E3 E3 8B 8B E3 E3 A3 A3 A3 A3
Line Compare
3?5
18
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
?
=
B in monochrome modes
?
=
D in color modes
'Values for these modes when the IBM Enhanced Color Display is attached
:Values for these modes when greater than 64K Graphics Memory is installed
CRT Controller Registers (2 of 2)
IBM Enhanced Graphics Adapter 65
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