Int 2F Fn C0AF  U - Hp 100lx/200lx - Pushkeys - Internal - Get Buffer Add  [K]

   AX = C0AFh

Return: ES:DI -> buffer (behind code)
Range: AH=C0h to AH=FFh, selected by scanning for signature with AL=AEh

See Also: AX=C000h"HP 100LX",AX=C001h"HP 100LX",AX=C0AEh"HP 100LX"