14 cursor end, 15 start address high, 16 start address low – AMD Geode LX [email protected] User Manual

Page 367: 17 cursor location high, Cursor end, Start address high, Start address low, Cursor location high

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AMD Geode™ LX Processors Data Book

367

Display Controller Register Descriptions

33234H

6.6.19.14 Cursor End

6.6.19.15 Start Address High

6.6.19.16 Start Address Low

6.6.19.17 Cursor Location High

Index

0Bh

Type

R/W

Reset Value

00h

Cursor End Register Bit Descriptions

Bit

Name

Description

7

RSVD

Reserved.

6:5

CURS_SKEW

Cursor Skew. This field allows the cursor to be skewed by zero, one, two, or three char-
acter positions to the right.

4:0

CURS_END

Cursor End. This field specifies the last scan line in the character box where the cursor
is displayed. See CURS_ST bit descriptions (Index 0Ah[4:0]) for more information.

Index

0Ch

Type

R/W

Reset Value

00h

Start Address High Register Bit Descriptions

Bit

Name

Description

7:0

ST_ADDR_HI

Start Address Register Bits [15:8]. Together with the register (ST_ADDR_LOW, Index
0Dh[7:0]), this value specifies the frame buffer address used at the beginning of a screen
refresh. It represents the upper left corner of the screen.

Index

0Dh

Type

R/W

Reset Value

00h

Start Address Low Register Bit Descriptions

Bit

Name

Description

7:0

ST_ADDR_LOW

Start Address Register Bits [7:0]. Together with the register (ST_ADDR_HI, Index
0Ch[7:0]), this value specifies the frame buffer address used at the beginning of a screen
refresh. It represents the upper left corner of the screen.

Index

0Eh

Type

R/W

Reset Value

00h

Cursor Location High Register Bit Descriptions

Bit

Name

Description

7:0

CURS_HI

Cursor Location Register Bits [15:8]. Together with the register (CURS_LOW, Index
0Fh[7:0]), this value specifies the frame buffer address where the cursor is displayed in
text mode. The cursor will appear at the character whose memory address corresponds
to this value.

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