Table of Contents
Advertisement
BIOS Services
Get Cursor Position
Read (get) cursor position.
Entry Conditions
AH
=
3
BH
=
page number (must be 0 for graphics modes)
Exit Conditions
DH
DL
=
row of current cursorposition (0
=
top row)
=
column of current cursorposition
(0
=
leftmost column)
=
cursor type currently set [l]:
See previous "Set Cursor Type" (AH
=
1).
CX
Select Active Page
Select active display page (valid in alpha mode only).
Entry Conditions
AH
=
5
AL
AL
AL
AL
AL
AL
=
0 through 7:
=
0 through 3:
=
80H: read CRT/CPU page registers
=
81H: set CPU page register to value in BL
=
82H: set CRT page register to value in BH
=
83H: set CRT and CPU page registers in BH and BL
new page value for modes 0, 1
newpage values for modes 2, 3
Exit Conditions
If Bit 7 of AL
=
1 upon entry, then:
BH
BL
=
contents of CRTpage register
=
contents of CPUpage register
1 1 .
Advertisement
Chapters
Table of Contents
