Enables or disables cursor emulation for the currently active display. When cursor emulation is enabled, the ROM BIOS automatically remaps Int 10H Function 01H cursor starting and ending lines for the current character cell dimensions.
Call with:
AH = 12H
AL = 00H to enable cursor emulation
01H to disable cursor emulation
BL = 34H
Returns:
If function supported
AL = 12H