Справочник Пользователя для AMD LX 800@0.9W
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.
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.
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.
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.
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.
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.