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INT 53h,
Function 6
-
Deactivate
Cassette Device
Entry:
AH
=
6
(function
code)
Exit:
AL
=
Standard
BIOS
error
code
This function
is
called
once
after
all
cassette
I/O
is
completed.
Its
purpose
is
to
perform
any
clean-up required
after
using the cassette, before
it
is
released.
INT 53h,
Function 7
-
Release Cassette
Entry:
AH =
7
(function
code)
Exit:
AL =
Standard
BIOS
error
code
This function
will
be
called
after
the
completion
of
cassette
I/O
processing.
Its
purpose
is
to
mark
the cassette
device as being
not busy.
151
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