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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
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| Esc or Alt-X to exit |
int 21,28 |
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