Specifications

AMD Geode™ GeodeROM Functional Specification 191
Video BIOS Support
32087C
13.1.22 Function 1Bh - Get Functionality Information
Description:
Returns a wealth of information about the VGA’s capabilities and about the current mode setting.
Passed:
Returns:
13.1.23 Function 1Ch - Save Restore State
Description:
Video BIOS functionality/state information.
Passed:
Returns:
Parameter Description
AH 1Bh = Function number
DS Seg0
BX 0
ES:DI Point to target buffer (size = 40h bytes)
Parameter Description
AL 1Bh
Parameter Description
AH 1Ch = Function number
AL Subfunction code:
00h = Return size of save/restore buffer
01h = Save state
02h = Restore state
CX Requested states
ES:Di Pointer to target buffer (for AL = 1 and AL = 2)
Parameter Description
AL 1Ch