HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                      INT 21,10 - Close a File Using FCB

       AH = 10h
       DS:DX = pointer to opened FCB

       on return:
       AL = 00  if file closed
          = FF  if file not closed

       - closes a previously opened file opened with an FCB
       - FCB must be setup with drive id, filename, and extension
         before call

Esc or Alt-X to exit int 21,10 Home/PgUp/PgDn/End ←↑↓→
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