Specifications

AMD Geode™ GeodeROM Functional Specification 173
Video BIOS Support
32087C
13.1.16 Function 0Fh - Get Mode
Description:
Returns the current mode number, the number of columns on the screen, and the active display page. Bit 7 of AL
returns the memory clear flag as passed to the previous call to set mode.
Passed:
Returns:
None.
Returns:
13.1.17 Function 10h - Palette Handler
Operates the interface to the internal palette and RAMDAC.
13.1.17.1 Subfunction 00h: Set Individual Palette Register
Description:
Sets an attribute of a single internal palette register to a given value.
Passed:
Returns:
None.
13.1.17.2 Subfunction 01h: Set Overscan Register
Description:
Sets the overscan (border) to a specified value. Overscan is the small border around the edge of the screen between
display end and blank start.
Passed:
Returns:
None.
Parameter Description
AH 0Fh
Parameter Description
AL Current mode
AH Number of columns
BH Active page
Parameter Description
AH 10h
AL 00h
BH Value to set
BL Register index
Parameter Description
AH 10h
AL 01h
BH Value to set