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Copyright 1991 David Jurgens |
INT 21,21 - Random Read Using FCB
AH = 21h
DS:DX = pointer to an opened FCB
on return:
AL = 00 if read successful
= 01 if EOF (no data read)
= 02 if DTA is too small
= 03 if EOF (partial record read)
- reads random records from a file opened with an FCB
to the DTA
- FCB must be setup with drive id, filename, extension,
record position and record length before call
- current record position field in FCB is not updated
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| Esc or Alt-X to exit |
int 21,21 |
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