M69030 Asiliant Technologies, M69030 Datasheet - Page 119

• Manufacturer Part Number: M69030
• Manufacturer: Asiliant Technologies

Specifications of M69030

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Rad Hardened: No
• Lead Free Status / Rohs Status: Supplier Unconfirmed

CR0B
read/write at I/O address 3B5h/3D5h with index at address 3B4h/3D4h set to 0Bh
shadowed for pipelines A and B
This cursor is the text cursor that is part of the VGA standard and should not be confused with the hardware
cursor and popup (cursor 1 and cursor 2), which are intended to be used in graphics modes. This register
is entirely ignored in graphics modes.
7
6-5
4-0
`efmp
A
B
Reserved
Reserved

Reserved
Text Cursor Skew
Text Cursor End
69030 Databook
7
Text Cursor End Register
Specifies the degree to which the start and end of each horizontal line of pixels making up
the cursor is delayed to compensate for internal pipeline delays.
These 2 bits describe the delay in terms of a number of character clocks.
These 5 bits specify which horizontal line of pixels within a character box is to be used to
display the last horizontal line of the cursor in text mode. The horizontal lines of pixels
within a character box are numbered from top to bottom, with the top-most line being
number 0. The value specified by these 5 bits should be the number of the last horizontal
line of pixels on which the cursor is to be shown.
Text Cursor Skew
Text Cursor Skew
6
Bits
6 5
0 0
0 1
1 0
1 1
5
CRT Controller Registers
delayed by 2 character clocks
delayed by 3 character clocks
delayed by 1 character clock
4
Amount of Delay
no delay
3
Text Cursor End
Text Cursor End
2
Revision 1.3 11/24/99
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