Specifications

AMD Geode™ GeodeROM Functional Specification 167
Video BIOS Support
32087C
13.1.4 Function 03h - Get Cursor Position
Description:
Returns the current cursor start and end scan line as well as the current cursor position. Note that the cursor position is
based on the page passed, but the cursor type (start and end scan lines) is global across all video pages.
Passed:
Returns:
13.1.5 Function 04h - Read Light Pen
Description:
The VGA hardware does not support the light pen and therefore always returns AH = 0.
Passed:
Returns:
Parameter Description
AH 03h
BH Page number (0 for graphics modes)
DS Seg0
Parameter Description
DH Column
DL Row
Parameter Description
AH 04h
DS Seg0
Parameter Description
AX 0 = Function not supported. Always returns 0.