HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                   INT 21,28 - Random Block Write Using FCB

       AH = 28h
       CX = number of records to write
       DS:DX = pointer to an opened FCB

       on return:
       AL = 00 if write successful
          = 01 if diskette full or read only
          = 02 if DTA is too small
       CX = number of records written

       - allows random access and sequential writing of a group
         of records from a file opened with an FCB into the DTA
       - FCB must be setup with random record number and record size
       - updates random record number, current block and current
         record fields

Esc or Alt-X to exit int 21,28 Home/PgUp/PgDn/End ←↑↓→
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