Int 6F/AH=34h/BP=0012h

AH = 34h
BP = 0012h (driver ID of V_SYSTEM)

Return:
AH = status (see #03744)
BP,DS destroyed

Desc: Generate a keyclick if fewer than four clicks are already pending

Note: If keyclicks are already pending, the remaining click count is incremented and the function returns immediately

See Also: Category: Vendor-specific BIOS Extensions - Int 6Fh - H