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====== AH=01H ======

===== Version =====

2 and higher

===== Brief =====

Request High Memory Area

===== Family API =====

none

===== Input =====

  AH = 01h
  DX = Space needed in the HMA by the caller in bytes (if the caller is a TSR or device driver), DX = FFFFh (if the caller is an application program)

===== Return =====

  AX = 0001h if the HMA is assigned to the caller, 0000h otherwise
  BL = Error code

===== Notes =====


===== See also =====